diff options
Diffstat (limited to 'indra')
44 files changed, 6544 insertions, 0 deletions
diff --git a/indra/CMakeLists.txt b/indra/CMakeLists.txt index 4b1bf49d07..031ffb26db 100644 --- a/indra/CMakeLists.txt +++ b/indra/CMakeLists.txt @@ -43,6 +43,7 @@ add_subdirectory(cmake) add_subdirectory(${LIBS_OPEN_PREFIX}llaudio) add_subdirectory(${LIBS_OPEN_PREFIX}llcharacter) add_subdirectory(${LIBS_OPEN_PREFIX}llcommon) +add_subdirectory(${LIBS_OPEN_PREFIX}llcorehttp) add_subdirectory(${LIBS_OPEN_PREFIX}llimage) add_subdirectory(${LIBS_OPEN_PREFIX}llkdu) add_subdirectory(${LIBS_OPEN_PREFIX}llimagej2coj) diff --git a/indra/llcorehttp/CMakeLists.txt b/indra/llcorehttp/CMakeLists.txt new file mode 100644 index 0000000000..8d21007ca0 --- /dev/null +++ b/indra/llcorehttp/CMakeLists.txt @@ -0,0 +1,112 @@ +# -*- cmake -*- + +project(llcorehttp) + +include(00-Common) +include(LLCoreHttp) +include(GoogleMock) +include(LLAddBuildTest) +include(LLCommon) +include(Tut) + +include_directories (${CMAKE_CURRENT_SOURCE_DIR}) + +include_directories( + ${LLCOMMON_INCLUDE_DIRS} + ${LLCOREHTTP_INCLUDE_DIRS} + ) + +set(llcorehttp_SOURCE_FILES + bufferarray.cpp + httpcommon.cpp + httprequest.cpp + httpresponse.cpp + httpoptions.cpp + httpheaders.cpp + _httprequestqueue.cpp + _httpoperation.cpp + _httpoprequest.cpp + _httpreplyqueue.cpp + _httppolicy.cpp + _httplibcurl.cpp + _httpservice.cpp + _refcounted.cpp + ) + +set(llcorehttp_HEADER_FILES + CMakeLists.txt + + bufferarray.h + httpcommon.h + httphandler.h + httpheaders.h + httpoptions.h + httprequest.h + httpresponse.h + _httpoperation.h + _httpoprequest.h + _httprequestqueue.h + _httpreplyqueue.h + _httpservice.h + _httppolicy.h + _httplibcurl.h + _assert.h + _refcounted.h + _mutex.h + _thread.h + ) + +set_source_files_properties(${llcorehttp_HEADER_FILES} + PROPERTIES HEADER_FILE_ONLY TRUE) + +list(APPEND llcorehttp_SOURCE_FILES ${llcorehttp_HEADER_FILES}) + +add_library (llcorehttp ${llcorehttp_SOURCE_FILES}) +target_link_libraries( + llcorehttp + ${CURL_LIBRARIES} + ${CARES_LIBRARIES} + ${OPENSSL_LIBRARIES} + ${CRYPTO_LIBRARIES} + ) + +# tests +#if (LL_TESTS) +if (LL_TESTS AND 0) + SET(llcorehttp_TEST_SOURCE_FILES + test_allocator.cpp + ) + + set(llcorehttp_TEST_HEADER_FILS + test_httpstatus.hpp + test_refcounted.hpp + test_httpoperation.hpp + test_httprequest.hpp + test_httprequestqueue.hpp + test_httpheaders.hpp + test_bufferarray.hpp + ) + + set_source_files_properties(${llcorehttp_TEST_HEADER_FILES} + PROPERTIES HEADER_FILE_ONLY TRUE) + + list(APPEND llcorehttp_TEST_SOURCE_FILES ${llcorehttp_TEST_HEADER_FILES}) + + # LL_ADD_PROJECT_UNIT_TESTS(llcorehttp "${llcorehttp_TEST_SOURCE_FILES}") + + # set(TEST_DEBUG on) + set(test_libs + ${LLCOREHTTP_LIBRARIES} + ${WINDOWS_LIBRARIES} + ${LLCOMMON_LIBRARIES} + ${GOOGLEMOCK_LIBRARIES} + ) + + LL_ADD_INTEGRATION_TEST(all + "${llcorehttp_TEST_SOURCE_FILES}" + "${test_libs}" + ) + +#endif (LL_TESTS) +endif (LL_TESTS AND 0) + diff --git a/indra/llcorehttp/_assert.h b/indra/llcorehttp/_assert.h new file mode 100644 index 0000000000..054f23ef32 --- /dev/null +++ b/indra/llcorehttp/_assert.h @@ -0,0 +1,39 @@ +/** + * @file _assert + * @brief assert abstraction + * + * $LicenseInfo:firstyear=2012&license=viewerlgpl$ + * Second Life Viewer Source Code + * Copyright (C) 2012, Linden Research, Inc. + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; + * version 2.1 of the License only. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + * + * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA + * $/LicenseInfo$ + */ + +#ifndef LLCOREINT__ASSERT_H_ +#define LLCOREINT__ASSERT_H_ + +#ifdef DEBUG_ASSERT +#include <cassert> +#define LLINT_ASSERT(x) assert(x) +#else +#define LLINT_ASSERT(x) +#endif + +#endif // LLCOREINT__ASSERT_H_ + + diff --git a/indra/llcorehttp/_httplibcurl.cpp b/indra/llcorehttp/_httplibcurl.cpp new file mode 100644 index 0000000000..15be977adf --- /dev/null +++ b/indra/llcorehttp/_httplibcurl.cpp @@ -0,0 +1,214 @@ +/** + * @file _httplibcurl.cpp + * @brief Internal definitions of the Http libcurl thread + * + * $LicenseInfo:firstyear=2012&license=viewerlgpl$ + * Second Life Viewer Source Code + * Copyright (C) 2012, Linden Research, Inc. + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; + * version 2.1 of the License only. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + * + * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA + * $/LicenseInfo$ + */ + +#include "_httplibcurl.h" + +#include "httpheaders.h" + +#include "_httpoprequest.h" +#include "_httpservice.h" + + +namespace LLCore +{ + + +HttpLibcurl::HttpLibcurl(HttpService * service) + : mService(service) +{ + mMultiHandles[0] = curl_multi_init(); +} + + +HttpLibcurl::~HttpLibcurl() +{ + // *FIXME: need to cancel requests in this class, not in op class. + while (! mActiveOps.empty()) + { + active_set_t::iterator item(mActiveOps.begin()); + + (*item)->cancel(); + (*item)->release(); + } + + if (mMultiHandles[0]) + { + // *FIXME: Do some multi cleanup here first + + + curl_multi_cleanup(mMultiHandles[0]); + mMultiHandles[0] = NULL; + } + + mService = NULL; +} + + +void HttpLibcurl::init() +{} + + +void HttpLibcurl::term() +{} + + +void HttpLibcurl::processTransport() +{ + if (mMultiHandles[0]) + { + // Give libcurl some cycles to do I/O & callbacks + int running(0); + CURLMcode status(CURLM_CALL_MULTI_PERFORM); + do + { + running = 0; + status = curl_multi_perform(mMultiHandles[0], &running); + } + while (0 != running && CURLM_CALL_MULTI_PERFORM == status); + + // Run completion on anything done + CURLMsg * msg(NULL); + int msgs_in_queue(0); + while ((msg = curl_multi_info_read(mMultiHandles[0], &msgs_in_queue))) + { + if (CURLMSG_DONE == msg->msg) + { + CURL * handle(msg->easy_handle); + CURLcode result(msg->data.result); + + completeRequest(mMultiHandles[0], handle, result); + handle = NULL; // No longer valid on return + } + else if (CURLMSG_NONE == msg->msg) + { + // Ignore this... it shouldn't mean anything. + ; + } + else + { + // *FIXME: Issue a logging event for this. + ; + } + msgs_in_queue = 0; + } + } +} + + +void HttpLibcurl::addOp(HttpOpRequest * op) +{ + // Create standard handle + if (! op->prepareForGet(mService)) + { + // Couldn't issue request, fail with notification + // *FIXME: Need failure path + return; + } + + // Make the request live + curl_multi_add_handle(mMultiHandles[0], op->mCurlHandle); + op->mCurlActive = true; + + // On success, make operation active + mActiveOps.insert(op); +} + + +void HttpLibcurl::completeRequest(CURLM * multi_handle, CURL * handle, CURLcode status) +{ + HttpOpRequest * op(NULL); + curl_easy_getinfo(handle, CURLINFO_PRIVATE, &op); + // *FIXME: check the pointer + + if (handle != op->mCurlHandle || ! op->mCurlActive) + { + // *FIXME: This is a sanity check that needs validation/termination. + ; + } + + active_set_t::iterator it(mActiveOps.find(op)); + if (mActiveOps.end() == it) + { + // *FIXME: Fatal condition. This must be here. + ; + } + else + { + mActiveOps.erase(it); + } + + // Deactivate request + op->mCurlActive = false; + + // Set final status of request + if (op->mStatus) + { + // Only set if it hasn't failed by other mechanisms yet + op->mStatus = HttpStatus(HttpStatus::EXT_CURL_EASY, status); + } + if (op->mStatus) + { + int http_status(200); + + curl_easy_getinfo(handle, CURLINFO_RESPONSE_CODE, &status); + op->mReplyStatus = http_status; + } + + // Detach from multi and recycle handle + curl_multi_remove_handle(multi_handle, handle); + curl_easy_cleanup(handle); + op->mCurlHandle = NULL; + + // Deliver to reply queue and release + op->stageFromActive(mService); + op->release(); +} + + +int HttpLibcurl::activeCount() const +{ + return mActiveOps.size(); +} + + +// --------------------------------------- +// Free functions +// --------------------------------------- + + +struct curl_slist * append_headers_to_slist(const HttpHeaders * headers, struct curl_slist * slist) +{ + for (HttpHeaders::container_t::const_iterator it(headers->mHeaders.begin()); + headers->mHeaders.end() != it; + ++it) + { + slist = curl_slist_append(slist, (*it).c_str()); + } + return slist; +} + + +} // end namespace LLCore diff --git a/indra/llcorehttp/_httplibcurl.h b/indra/llcorehttp/_httplibcurl.h new file mode 100644 index 0000000000..5ba244cee4 --- /dev/null +++ b/indra/llcorehttp/_httplibcurl.h @@ -0,0 +1,89 @@ +/** + * @file _httplibcurl.h + * @brief Declarations for internal class providing libcurl transport. + * + * $LicenseInfo:firstyear=2012&license=viewerlgpl$ + * Second Life Viewer Source Code + * Copyright (C) 2012, Linden Research, Inc. + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; + * version 2.1 of the License only. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + * + * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA + * $/LicenseInfo$ + */ + +#ifndef _LLCORE_HTTP_LIBCURL_H_ +#define _LLCORE_HTTP_LIBCURL_H_ + + +#include <curl/curl.h> +#include <curl/multi.h> + +#include <set> + + +namespace LLCore +{ + + +class HttpService; +class HttpPolicy; +class HttpOpRequest; +class HttpHeaders; + + +class HttpLibcurl +{ +public: + HttpLibcurl(HttpService * service); + virtual ~HttpLibcurl(); + +private: + HttpLibcurl(const HttpLibcurl &); // Not defined + void operator=(const HttpLibcurl &); // Not defined + +public: + static void init(); + static void term(); + + void processTransport(); + void addOp(HttpOpRequest * op); + + int activeCount() const; + +protected: + void completeRequest(CURLM * multi_handle, CURL * handle, CURLcode status); + +protected: + typedef std::set<HttpOpRequest *> active_set_t; + +protected: + HttpService * mService; + active_set_t mActiveOps; + CURLM * mMultiHandles[1]; +}; // end class HttpLibcurl + + +// --------------------------------------- +// Free functions +// --------------------------------------- + + +curl_slist * append_headers_to_slist(const HttpHeaders *, curl_slist * slist); + + +} // end namespace LLCore + +#endif // _LLCORE_HTTP_LIBCURL_H_ diff --git a/indra/llcorehttp/_httpoperation.cpp b/indra/llcorehttp/_httpoperation.cpp new file mode 100644 index 0000000000..17c65b0379 --- /dev/null +++ b/indra/llcorehttp/_httpoperation.cpp @@ -0,0 +1,203 @@ +/** + * @file _httpoperation.cpp + * @brief Definitions for internal classes based on HttpOperation + * + * $LicenseInfo:firstyear=2012&license=viewerlgpl$ + * Second Life Viewer Source Code + * Copyright (C) 2012, Linden Research, Inc. + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; + * version 2.1 of the License only. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + * + * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA + * $/LicenseInfo$ + */ + +#include "_httpoperation.h" + +#include "httphandler.h" +#include "httpresponse.h" +#include "httprequest.h" + +#include "_httprequestqueue.h" +#include "_httpreplyqueue.h" +#include "_httpservice.h" + + +namespace LLCore +{ + + +// ================================== +// HttpOperation +// ================================== + + +HttpOperation::HttpOperation() + : LLCoreInt::RefCounted(true), + mReplyQueue(NULL), + mLibraryHandler(NULL), + mUserHandler(NULL), + mReqPolicy(HttpRequest::DEFAULT_POLICY_ID), + mReqPriority(0.0f) +{ +} + + +HttpOperation::~HttpOperation() +{ + setHandlers(NULL, NULL, NULL); +} + + +void HttpOperation::setHandlers(HttpReplyQueue * reply_queue, + HttpHandler * lib_handler, + HttpHandler * user_handler) +{ + if (reply_queue != mReplyQueue) + { + if (mReplyQueue) + { + mReplyQueue->release(); + } + + if (reply_queue) + { + reply_queue->addRef(); + } + + mReplyQueue = reply_queue; + } + + // Not refcounted + mLibraryHandler = lib_handler; + + // Not refcounted + mUserHandler = user_handler; +} + + + +void HttpOperation::stageFromRequest(HttpService *) +{ + // *FIXME: Message this a better way later. + // Default implementation should never be called. This + // indicates an operation making a transition that isn't + // defined. + LLINT_ASSERT(false); +} + + +void HttpOperation::stageFromReady(HttpService *) +{ + // *FIXME: Message this a better way later. + // Default implementation should never be called. This + // indicates an operation making a transition that isn't + // defined. + LLINT_ASSERT(false); +} + + +void HttpOperation::stageFromActive(HttpService *) +{ + // *FIXME: Message this a better way later. + // Default implementation should never be called. This + // indicates an operation making a transition that isn't + // defined. + LLINT_ASSERT(false); +} + + +void HttpOperation::visitNotifier(HttpRequest *) +{ + if (mLibraryHandler) + { + HttpResponse * response = new HttpResponse(); + + mLibraryHandler->onCompleted(static_cast<HttpHandle>(this), response); + + response->release(); + } +} + + +HttpStatus HttpOperation::cancel() +{ + HttpStatus status; + + return status; +} + + +void HttpOperation::addAsReply() +{ + if (mReplyQueue && mLibraryHandler) + { + addRef(); + mReplyQueue->addOp(this); + } +} + + +// ================================== +// HttpOpStop +// ================================== + + +HttpOpStop::HttpOpStop() + : HttpOperation() +{} + + +HttpOpStop::~HttpOpStop() +{} + + +void HttpOpStop::stageFromRequest(HttpService * service) +{ + // Do operations + service->stopRequested(); + + // Prepare response if needed + addAsReply(); +} + + +// ================================== +// HttpOpNull +// ================================== + + +HttpOpNull::HttpOpNull() + : HttpOperation() +{} + + +HttpOpNull::~HttpOpNull() +{} + + +void HttpOpNull::stageFromRequest(HttpService * service) +{ + // Perform op + // Nothing to perform. This doesn't fall into the libcurl + // ready/active queues, it just bounces over to the reply + // queue directly. + + // Prepare response if needed + addAsReply(); +} + + +} // end namespace LLCore diff --git a/indra/llcorehttp/_httpoperation.h b/indra/llcorehttp/_httpoperation.h new file mode 100644 index 0000000000..d04961c47b --- /dev/null +++ b/indra/llcorehttp/_httpoperation.h @@ -0,0 +1,164 @@ +/** + * @file _httpoperation.h + * @brief Internal declarations for HttpOperation and sub-classes + * + * $LicenseInfo:firstyear=2012&license=viewerlgpl$ + * Second Life Viewer Source Code + * Copyright (C) 2012, Linden Research, Inc. + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; + * version 2.1 of the License only. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + * + * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA + * $/LicenseInfo$ + */ + +#ifndef _LLCORE_HTTP_OPERATION_H_ +#define _LLCORE_HTTP_OPERATION_H_ + + +#include "httpcommon.h" + +#include "_refcounted.h" + + +namespace LLCore +{ + +class HttpReplyQueue; +class HttpHandler; +class HttpService; +class HttpRequest; + +/// HttpOperation is the base class for all request/reply +/// pairs. +/// +class HttpOperation : public LLCoreInt::RefCounted +{ +public: + HttpOperation(); + virtual ~HttpOperation(); + +private: + HttpOperation(const HttpOperation &); // Not defined + void operator=(const HttpOperation &); // Not defined + +public: + void setHandlers(HttpReplyQueue * reply_queue, + HttpHandler * lib_handler, + HttpHandler * user_handler); + + HttpHandler * getUserHandler() const + { + return mUserHandler; + } + + virtual void stageFromRequest(HttpService *); + virtual void stageFromReady(HttpService *); + virtual void stageFromActive(HttpService *); + + virtual void visitNotifier(HttpRequest *); + + virtual HttpStatus cancel(); + +protected: + void addAsReply(); + +protected: + HttpReplyQueue * mReplyQueue; // Have refcount + HttpHandler * mLibraryHandler; // Have refcount + HttpHandler * mUserHandler; // Have refcount + +public: + unsigned int mReqPolicy; + float mReqPriority; + +}; // end class HttpOperation + + +/// HttpOpCancel requests that a previously issued request +/// be canceled, if possible. Requests that have been made +/// active and are available for sending on the wire cannot +/// be canceled. + +class HttpOpCancel : public HttpOperation +{ +public: + HttpOpCancel(); + virtual ~HttpOpCancel(); + +private: + HttpOpCancel(const HttpOpCancel &); // Not defined + void operator=(const HttpOpCancel &); // Not defined + +public: + virtual void stageFromRequest(HttpService *); + virtual void stageFromReady(HttpService *); + virtual void stageFromActive(HttpService *); + +public: + HttpHandle mHandle; +}; // end class HttpOpCancel + + +/// HttpOpStop requests the servicing thread to shutdown +/// operations, cease pulling requests from the request +/// queue and release shared resources (particularly +/// those shared via reference count). The servicing +/// thread will then exit. The underlying thread object +/// remains so that another thread can join on the +/// servicing thread prior to final cleanup. The +/// request *does* generate a reply on the response +/// queue, if requested. + +class HttpOpStop : public HttpOperation +{ +public: + HttpOpStop(); + virtual ~HttpOpStop(); + +private: + HttpOpStop(const HttpOpStop &); // Not defined + void operator=(const HttpOpStop &); // Not defined + +public: + virtual void stageFromRequest(HttpService *); + +}; // end class HttpOpStop + + +/// HttpOpNull is a do-nothing operation used for testing via +/// a basic loopback pattern. It's executed immediately by +/// the servicing thread which bounces a reply back to the +/// caller without any further delay. + +class HttpOpNull : public HttpOperation +{ +public: + HttpOpNull(); + virtual ~HttpOpNull(); + +private: + HttpOpNull(const HttpOpNull &); // Not defined + void operator=(const HttpOpNull &); // Not defined + +public: + virtual void stageFromRequest(HttpService *); + +}; // end class HttpOpNull + +} // end namespace LLCore + +#endif // _LLCORE_HTTP_OPERATION_H_ + diff --git a/indra/llcorehttp/_httpoprequest.cpp b/indra/llcorehttp/_httpoprequest.cpp new file mode 100644 index 0000000000..d71ace5d57 --- /dev/null +++ b/indra/llcorehttp/_httpoprequest.cpp @@ -0,0 +1,473 @@ +/** + * @file _httpoprequest.cpp + * @brief Definitions for internal class HttpOpRequest + * + * $LicenseInfo:firstyear=2012&license=viewerlgpl$ + * Second Life Viewer Source Code + * Copyright (C) 2012, Linden Research, Inc. + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; + * version 2.1 of the License only. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + * + * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA + * $/LicenseInfo$ + */ + +#include "_httpoprequest.h" + +#include <cstdio> +#include <algorithm> + +#include "httpcommon.h" +#include "httphandler.h" +#include "httpresponse.h" +#include "bufferarray.h" +#include "httpheaders.h" +#include "httpoptions.h" + +#include "_httprequestqueue.h" +#include "_httpreplyqueue.h" +#include "_httpservice.h" +#include "_httppolicy.h" +#include "_httplibcurl.h" + + +namespace +{ + +// Attempts to parse a 'Content-Range:' header. Caller must already +// have verified that the header tag is present. The 'buffer' argument +// will be processed by strtok_r calls which will modify the buffer. +// +// @return -1 if invalid and response should be dropped, 0 if valid an +// correct, 1 if couldn't be parsed. If 0, the first, last, +// and length arguments are also written. 'length' may be +// 0 if the length wasn't available to the server. +// +int parse_content_range_header(char * buffer, + unsigned int * first, + unsigned int * last, + unsigned int * length); + +#if defined(WIN32) + +// Not available on windows where the legacy strtok interface +// is thread-safe. +char *strtok_r(char *str, const char *delim, char **saveptr); + +#endif + +} + + +namespace LLCore +{ + + +// ================================== +// HttpOpRequest +// ================================== + + +HttpOpRequest::HttpOpRequest() + : HttpOperation(), + mProcFlags(0U), + mReqMethod(HOR_GET), + mReqBody(NULL), + mReqOffset(0), + mReqLen(0), + mReqHeaders(NULL), + mReqOptions(NULL), + mCurlActive(false), + mCurlHandle(NULL), + mCurlHeaders(NULL), + mCurlService(NULL), + mReplyStatus(200), + mReplyBody(NULL), + mReplyOffset(0), + mReplyLen(0), + mReplyHeaders(NULL) +{} + + +HttpOpRequest::~HttpOpRequest() +{ + if (mCurlHandle) + { + curl_easy_cleanup(mCurlHandle); + mCurlHandle = NULL; + } + + if (mCurlHeaders) + { + curl_slist_free_all(mCurlHeaders); + mCurlHeaders = NULL; + } + + mCurlService = NULL; + + if (mReqBody) + { + mReqBody->release(); + mReqBody = NULL; + } + + if (mReqHeaders) + { + curl_slist_free_all(mReqHeaders); + mReqHeaders = NULL; + } + + if (mReqOptions) + { + mReqOptions->release(); + mReqOptions = NULL; + } + + if (mReplyBody) + { + mReplyBody->release(); + mReplyBody = NULL; + } + + if (mReplyHeaders) + { + mReplyHeaders->release(); + mReplyHeaders = NULL; + } +} + + +void HttpOpRequest::stageFromRequest(HttpService * service) +{ + addRef(); + service->getPolicy()->addOp(this); // transfers refcount +} + + +void HttpOpRequest::stageFromReady(HttpService * service) +{ + addRef(); + service->getTransport()->addOp(this); // transfers refcount +} + + +void HttpOpRequest::stageFromActive(HttpService * service) +{ + if (mReplyLen) + { + // If non-zero, we received and processed a Content-Range + // header with the response. Verify that what it says + // is consistent with the received data. + if (mReplyLen != mReplyBody->size()) + { + // Not as expected, fail the request + mStatus = HttpStatus(HttpStatus::LLCORE, HE_INV_CONTENT_RANGE_HDR); + } + } + + if (mReqHeaders) + { + // We take these headers out of the request now as they were + // allocated originally in this thread and the notifier doesn't + // need them. This eliminates one source of heap moving across + // threads. + + curl_slist_free_all(mReqHeaders); + mReqHeaders = NULL; + } + addAsReply(); +} + + +void HttpOpRequest::visitNotifier(HttpRequest * request) +{ + if (mLibraryHandler) + { + HttpResponse * response = new HttpResponse(); + + // *FIXME: add http status, offset, length + response->setStatus(mStatus); + response->setReplyStatus(mReplyStatus); + response->setBody(mReplyBody); + response->setHeaders(mReplyHeaders); + mLibraryHandler->onCompleted(static_cast<HttpHandle>(this), response); + + response->release(); + } +} + + +HttpStatus HttpOpRequest::cancel() +{ + mStatus = HttpStatus(HttpStatus::LLCORE, HE_OP_CANCELED); + + addAsReply(); + + return HttpStatus(); +} + + +HttpStatus HttpOpRequest::setupGetByteRange(unsigned int policy_id, + float priority, + const std::string & url, + size_t offset, + size_t len, + HttpOptions * options, + HttpHeaders * headers) +{ + HttpStatus status; + + mProcFlags = 0; + mReqPolicy = policy_id; + mReqPriority = priority; + mReqMethod = HOR_GET; + mReqURL = url; + mReqOffset = offset; + mReqLen = len; + if (offset || len) + { + mProcFlags |= PF_SCAN_RANGE_HEADER; + } + if (headers && ! mReqHeaders) + { + mReqHeaders = append_headers_to_slist(headers, mReqHeaders); + } + if (options && ! mReqOptions) + { + mReqOptions = new HttpOptions(*options); + } + + return status; +} + + +HttpStatus HttpOpRequest::prepareForGet(HttpService * service) +{ + // *FIXME: better error handling later + HttpStatus status; + + mCurlHandle = curl_easy_init(); + curl_easy_setopt(mCurlHandle, CURLOPT_NOSIGNAL, 1); + curl_easy_setopt(mCurlHandle, CURLOPT_NOPROGRESS, 1); + curl_easy_setopt(mCurlHandle, CURLOPT_URL, mReqURL.c_str()); + curl_easy_setopt(mCurlHandle, CURLOPT_PRIVATE, this); + curl_easy_setopt(mCurlHandle, CURLOPT_ENCODING, ""); + // curl_easy_setopt(handle, CURLOPT_PROXY, ""); + + mCurlHeaders = curl_slist_append(mCurlHeaders, "Pragma:"); + curl_easy_setopt(mCurlHandle, CURLOPT_DNS_CACHE_TIMEOUT, 0); + curl_easy_setopt(mCurlHandle, CURLOPT_HTTPHEADER, mCurlHeaders); + curl_easy_setopt(mCurlHandle, CURLOPT_FOLLOWLOCATION, 1); + curl_easy_setopt(mCurlHandle, CURLOPT_WRITEFUNCTION, writeCallback); + curl_easy_setopt(mCurlHandle, CURLOPT_WRITEDATA, mCurlHandle); + + if (mReqOffset || mReqLen) + { + static const char * fmt1("Range: bytes=%d-%d"); + static const char * fmt2("Range: bytes=%d-"); + + char range_line[64]; + +#if defined(WIN32) + _snprintf_s(range_line, sizeof(range_line), sizeof(range_line) - 1, + (mReqLen ? fmt1 : fmt2), + mReqOffset, mReqOffset + mReqLen - 1); +#else + snprintf(range_line, sizeof(range_line), + (mReqLen ? fmt1 : fmt2), + mReqOffset, mReqOffset + mReqLen - 1); +#endif // defined(WIN32) + range_line[sizeof(range_line) - 1] = '\0'; + mCurlHeaders = curl_slist_append(mCurlHeaders, range_line); + } + + if (mProcFlags & (PF_SCAN_RANGE_HEADER | PF_SAVE_HEADERS)) + { + curl_easy_setopt(mCurlHandle, CURLOPT_HEADERFUNCTION, headerCallback); + curl_easy_setopt(mCurlHandle, CURLOPT_HEADERDATA, mCurlHandle); + } + + if (status) + { + mCurlService = service; + } + return status; +} + + +size_t HttpOpRequest::writeCallback(void * data, size_t size, size_t nmemb, void * userdata) +{ + CURL * handle(static_cast<CURL *>(userdata)); + HttpOpRequest * op(NULL); + curl_easy_getinfo(handle, CURLINFO_PRIVATE, &op); + // *FIXME: check the pointer + + if (! op->mReplyBody) + { + op->mReplyBody = new BufferArray(); + } + const size_t req_size(size * nmemb); + char * lump(op->mReplyBody->appendBufferAlloc(req_size)); + memcpy(lump, data, req_size); + + return req_size; +} + + +size_t HttpOpRequest::headerCallback(void * data, size_t size, size_t nmemb, void * userdata) +{ + static const char status_line[] = "HTTP/"; + static const size_t status_line_len = sizeof(status_line) - 1; + + static const char con_ran_line[] = "content-range:"; + static const size_t con_ran_line_len = sizeof(con_ran_line) - 1; + + CURL * handle(static_cast<CURL *>(userdata)); + HttpOpRequest * op(NULL); + curl_easy_getinfo(handle, CURLINFO_PRIVATE, &op); + // *FIXME: check the pointer + + const size_t hdr_size(size * nmemb); + const char * hdr_data(static_cast<const char *>(data)); // Not null terminated + + if (hdr_size >= status_line_len && ! strncmp(status_line, hdr_data, status_line_len)) + { + // One of possibly several status lines. Reset what we know and start over + op->mReplyOffset = 0; + op->mReplyLen = 0; + op->mStatus = HttpStatus(); + } + else if (op->mProcFlags & PF_SCAN_RANGE_HEADER) + { + char hdr_buffer[128]; + size_t frag_size((std::min)(hdr_size, sizeof(hdr_buffer) - 1)); + + memcpy(hdr_buffer, hdr_data, frag_size); + hdr_buffer[frag_size] = '\0'; +#if defined(WIN32) + if (! _strnicmp(hdr_buffer, con_ran_line, (std::min)(frag_size, con_ran_line_len))) +#else + if (! strncasecmp(hdr_buffer, con_ran_line, (std::min)(frag_size, con_ran_line_len))) +#endif + { + unsigned int first(0), last(0), length(0); + int status; + + if (! (status = parse_content_range_header(hdr_buffer, &first, &last, &length))) + { + // Success, record the fragment position + op->mReplyOffset = first; + op->mReplyLen = last - first + 1; + } + else if (-1 == status) + { + // Response is badly formed and shouldn't be accepted + op->mStatus = HttpStatus(HttpStatus::LLCORE, HE_INV_CONTENT_RANGE_HDR); + } + else + { + // Ignore the unparsable. + // *FIXME: Maybe issue a warning into the log here + ; + } + } + } + + if (op->mProcFlags & PF_SAVE_HEADERS) + { + // Save headers in response + ; + + } + + return hdr_size; +} + +} // end namespace LLCore + + +// ======================================= +// Anonymous Namespace +// ======================================= + +namespace +{ + +int parse_content_range_header(char * buffer, + unsigned int * first, + unsigned int * last, + unsigned int * length) +{ + char * tok_state(NULL), * tok; + bool match(true); + + if (! strtok_r(buffer, ": \t", &tok_state)) + match = false; + if (match && (tok = strtok_r(NULL, " \t", &tok_state))) +#if defined(WIN32) + match = 0 == _stricmp("bytes", tok); +#else + match = 0 == strcasecmp("bytes", tok); +#endif + if (match && ! (tok = strtok_r(NULL, " \t", &tok_state))) + match = false; + if (match) + { + unsigned int lcl_first(0), lcl_last(0), lcl_len(0); + +#if defined(WIN32) + if (3 == sscanf_s(tok, "%u-%u/%u", &lcl_first, &lcl_last, &lcl_len)) +#else + if (3 == sscanf(tok, "%u-%u/%u", &lcl_first, &lcl_last, &lcl_len)) +#endif + { + if (lcl_first > lcl_last || lcl_last >= lcl_len) + return -1; + *first = lcl_first; + *last = lcl_last; + *length = lcl_len; + return 0; + } +#if defined(WIN32) + if (2 == sscanf_s(tok, "%u-%u/*", &lcl_first, &lcl_last)) +#else + if (2 == sscanf(tok, "%u-%u/*", &lcl_first, &lcl_last)) +#endif + { + if (lcl_first > lcl_last) + return -1; + *first = lcl_first; + *last = lcl_last; + *length = 0; + return 0; + } + } + + // Header is there but badly/unexpectedly formed, try to ignore it. + return 1; +} + +#if defined(WIN32) + +char *strtok_r(char *str, const char *delim, char ** savestate) +{ + return strtok_s(str, delim, savestate); +} + +#endif + +} // end anonymous namespace + + diff --git a/indra/llcorehttp/_httpoprequest.h b/indra/llcorehttp/_httpoprequest.h new file mode 100644 index 0000000000..e912851aed --- /dev/null +++ b/indra/llcorehttp/_httpoprequest.h @@ -0,0 +1,127 @@ +/** + * @file _httpoprequest.h + * @brief Internal declarations for the HttpOpRequest subclass + * + * $LicenseInfo:firstyear=2012&license=viewerlgpl$ + * Second Life Viewer Source Code + * Copyright (C) 2012, Linden Research, Inc. + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; + * version 2.1 of the License only. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + * + * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA + * $/LicenseInfo$ + */ + +#ifndef _LLCORE_HTTP_OPREQUEST_H_ +#define _LLCORE_HTTP_OPREQUEST_H_ + + +#include "httpcommon.h" + +#include <curl/curl.h> + +#include "_httpoperation.h" +#include "_refcounted.h" + + +namespace LLCore +{ + + +class BufferArray; +class HttpHeaders; +class HttpOptions; + + +/// HttpOpRequest requests a supported HTTP method invocation with +/// option and header overrides. + +class HttpOpRequest : public HttpOperation +{ +public: + HttpOpRequest(); + virtual ~HttpOpRequest(); + +private: + HttpOpRequest(const HttpOpRequest &); // Not defined + void operator=(const HttpOpRequest &); // Not defined + +public: + enum EMethod + { + HOR_GET, + HOR_POST, + HOR_PUT + }; + + virtual void stageFromRequest(HttpService *); + virtual void stageFromReady(HttpService *); + virtual void stageFromActive(HttpService *); + + virtual void visitNotifier(HttpRequest * request); + +public: + // Setup Methods + HttpStatus setupGetByteRange(unsigned int policy_id, + float priority, + const std::string & url, + size_t offset, + size_t len, + HttpOptions * options, + HttpHeaders * headers); + + HttpStatus prepareForGet(HttpService * service); + + virtual HttpStatus cancel(); + +protected: + static size_t writeCallback(void * data, size_t size, size_t nmemb, void * userdata); + static size_t headerCallback(void * data, size_t size, size_t nmemb, void * userdata); + +protected: + unsigned int mProcFlags; + static const unsigned int PF_SCAN_RANGE_HEADER = 0x00000001U; + static const unsigned int PF_SAVE_HEADERS = 0x00000002U; + +public: + // Request data + EMethod mReqMethod; + std::string mReqURL; + BufferArray * mReqBody; + off_t mReqOffset; + size_t mReqLen; + curl_slist * mReqHeaders; + HttpOptions * mReqOptions; + + // Transport data + bool mCurlActive; + CURL * mCurlHandle; + curl_slist * mCurlHeaders; + HttpService * mCurlService; + + // Result data + HttpStatus mStatus; + int mReplyStatus; + BufferArray * mReplyBody; + off_t mReplyOffset; + size_t mReplyLen; + HttpHeaders * mReplyHeaders; +}; // end class HttpOpRequest + + +} // end namespace LLCore + +#endif // _LLCORE_HTTP_OPREQUEST_H_ + diff --git a/indra/llcorehttp/_httppolicy.cpp b/indra/llcorehttp/_httppolicy.cpp new file mode 100644 index 0000000000..d965a6cf3a --- /dev/null +++ b/indra/llcorehttp/_httppolicy.cpp @@ -0,0 +1,76 @@ +/** + * @file _httppolicy.cpp + * @brief Internal definitions of the Http policy thread + * + * $LicenseInfo:firstyear=2012&license=viewerlgpl$ + * Second Life Viewer Source Code + * Copyright (C) 2012, Linden Research, Inc. + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; + * version 2.1 of the License only. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + * + * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA + * $/LicenseInfo$ + */ + +#include "_httppolicy.h" + +#include "_httpoprequest.h" +#include "_httpservice.h" + + +namespace LLCore +{ + + +HttpPolicy::HttpPolicy(HttpService * service) + : mService(service) +{} + + +HttpPolicy::~HttpPolicy() +{ + for (ready_queue_t::reverse_iterator i(mReadyQueue.rbegin()); + mReadyQueue.rend() != i;) + { + ready_queue_t::reverse_iterator cur(i++); + + (*cur)->cancel(); + (*cur)->release(); + } + + mService = NULL; +} + + +void HttpPolicy::addOp(HttpOpRequest * op) +{ + mReadyQueue.push_back(op); +} + + +void HttpPolicy::processReadyQueue() +{ + while (! mReadyQueue.empty()) + { + HttpOpRequest * op(mReadyQueue.front()); + mReadyQueue.erase(mReadyQueue.begin()); + + op->stageFromReady(mService); + op->release(); + } +} + + +} // end namespace LLCore diff --git a/indra/llcorehttp/_httppolicy.h b/indra/llcorehttp/_httppolicy.h new file mode 100644 index 0000000000..28aea27f38 --- /dev/null +++ b/indra/llcorehttp/_httppolicy.h @@ -0,0 +1,68 @@ +/** + * @file _httppolicy.h + * @brief Declarations for internal class enforcing policy decisions. + * + * $LicenseInfo:firstyear=2012&license=viewerlgpl$ + * Second Life Viewer Source Code + * Copyright (C) 2012, Linden Research, Inc. + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; + * version 2.1 of the License only. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + * + * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA + * $/LicenseInfo$ + */ + +#ifndef _LLCORE_HTTP_POLICY_H_ +#define _LLCORE_HTTP_POLICY_H_ + + +#include <vector> + + +namespace LLCore +{ + + +class HttpService; +class HttpOpRequest; + + +class HttpPolicy +{ +public: + HttpPolicy(HttpService *); + virtual ~HttpPolicy(); + +private: + HttpPolicy(const HttpPolicy &); // Not defined + void operator=(const HttpPolicy &); // Not defined + +public: + void processReadyQueue(); + + void addOp(HttpOpRequest *); + +protected: + typedef std::vector<HttpOpRequest *> ready_queue_t; + +protected: + HttpService * mService; // Naked pointer, not refcounted + ready_queue_t mReadyQueue; + +}; // end class HttpPolicy + +} // end namespace LLCore + +#endif // _LLCORE_HTTP_POLICY_H_ diff --git a/indra/llcorehttp/_httpreplyqueue.cpp b/indra/llcorehttp/_httpreplyqueue.cpp new file mode 100644 index 0000000000..a354ed7e10 --- /dev/null +++ b/indra/llcorehttp/_httpreplyqueue.cpp @@ -0,0 +1,87 @@ +/** + * @file _httpreplyqueue.cpp + * @brief Internal definitions for the operation reply queue + * + * $LicenseInfo:firstyear=2012&license=viewerlgpl$ + * Second Life Viewer Source Code + * Copyright (C) 2012, Linden Research, Inc. + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; + * version 2.1 of the License only. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + * + * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA + * $/LicenseInfo$ + */ + +#include "_httpreplyqueue.h" + + +#include "_mutex.h" +#include "_thread.h" +#include "_httpoperation.h" + +using namespace LLCoreInt; + + +namespace LLCore +{ + + +HttpReplyQueue::HttpReplyQueue() + : RefCounted(true) +{ +} + + +HttpReplyQueue::~HttpReplyQueue() +{ + while (! mQueue.empty()) + { + HttpOperation * op = mQueue.back(); + mQueue.pop_back(); + op->release(); + } +} + + +void HttpReplyQueue::addOp(HttpOperation * op) +{ + { + HttpScopedLock lock(mQueueMutex); + + mQueue.push_back(op); + } + mQueueCV.notify_all(); +} + + +HttpOperation * HttpReplyQueue::fetchOp() +{ + HttpOperation * result(NULL); + + { + HttpScopedLock lock(mQueueMutex); + + if (mQueue.empty()) + return NULL; + + result = mQueue.front(); + mQueue.erase(mQueue.begin()); + } + + // Caller also acquires the reference count + return result; +} + +} // end namespace LLCore diff --git a/indra/llcorehttp/_httpreplyqueue.h b/indra/llcorehttp/_httpreplyqueue.h new file mode 100644 index 0000000000..56dadec87c --- /dev/null +++ b/indra/llcorehttp/_httpreplyqueue.h @@ -0,0 +1,106 @@ +/** + * @file _httpreplyqueue.h + * @brief Internal declarations for the operation reply queue. + * + * $LicenseInfo:firstyear=2012&license=viewerlgpl$ + * Second Life Viewer Source Code + * Copyright (C) 2012, Linden Research, Inc. + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; + * version 2.1 of the License only. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + * + * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA + * $/LicenseInfo$ + */ + +#ifndef _LLCORE_HTTP_REPLY_QUEUE_H_ +#define _LLCORE_HTTP_REPLY_QUEUE_H_ + + +#include "_refcounted.h" +#include "_mutex.h" + + +namespace LLCore +{ + + +class HttpOperation; + + +/// Almost identical to the HttpRequestQueue class but +/// whereas that class is a singleton and is known to the +/// HttpService object, this queue is 1:1 with HttpRequest +/// instances and isn't explicitly referenced by the +/// service object. Instead, HttpOperation objects that +/// want to generate replies back to their creators also +/// keep references to the corresponding HttpReplyQueue. +/// The HttpService plumbing then simply delivers replies +/// to the requested reply queue. +/// +/// One result of that is that the fetch operations do +/// not have a wait forever option. The service object +/// doesn't keep handles on everything it would need to +/// notify so it can't wake up sleepers should it need to +/// shutdown. So only non-blocking or timed-blocking modes +/// are anticipated. These are how most application consumers +/// will be coded anyway so it shouldn't be too much of a +/// burden. + +class HttpReplyQueue: public LLCoreInt::RefCounted +{ +public: + /// Caller acquires a Refcount on construction + HttpReplyQueue(); + virtual ~HttpReplyQueue(); + +private: + HttpReplyQueue(const HttpReplyQueue &); // Not defined + void operator=(const HttpReplyQueue &); // Not defined + +public: + typedef std::vector<HttpOperation *> OpContainer; + + /// Insert an object at the back of the reply queue. + /// + /// Library also takes possession of one reference count to pass + /// through the queue. + /// + /// Threading: callable by any thread. + void addOp(HttpOperation * op); + + /// Fetch an operation from the head of the queue. Returns + /// NULL if none exists. + /// + /// Caller acquires reference count on returned operation. + /// + /// Threading: callable by any thread. + HttpOperation * fetchOp(); + + /// Caller acquires reference count on each returned operation + /// + /// Threading: callable by any thread. + void fetchAll(OpContainer & ops); + +protected: + OpContainer mQueue; + LLCoreInt::HttpMutex mQueueMutex; + LLCoreInt::HttpConditionVariable mQueueCV; + +}; // end class HttpReplyQueue + +} // end namespace LLCore + + +#endif // _LLCORE_HTTP_REPLY_QUEUE_H_ diff --git a/indra/llcorehttp/_httprequestqueue.cpp b/indra/llcorehttp/_httprequestqueue.cpp new file mode 100644 index 0000000000..c36814aee3 --- /dev/null +++ b/indra/llcorehttp/_httprequestqueue.cpp @@ -0,0 +1,132 @@ +/** + * @file _httprequestqueue.cpp + * @brief + * + * $LicenseInfo:firstyear=2012&license=viewerlgpl$ + * Second Life Viewer Source Code + * Copyright (C) 2012, Linden Research, Inc. + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; + * version 2.1 of the License only. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + * + * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA + * $/LicenseInfo$ + */ + +#include "_httprequestqueue.h" + +#include "_httpoperation.h" +#include "_mutex.h" + + +using namespace LLCoreInt; + +namespace LLCore +{ + +HttpRequestQueue * HttpRequestQueue::sInstance(NULL); + + +HttpRequestQueue::HttpRequestQueue() + : RefCounted(true) +{ +} + + +HttpRequestQueue::~HttpRequestQueue() +{ + while (! mQueue.empty()) + { + HttpOperation * op = mQueue.back(); + mQueue.pop_back(); + op->release(); + } +} + + +void HttpRequestQueue::init() +{ + LLINT_ASSERT(! sInstance); + sInstance = new HttpRequestQueue(); +} + + +void HttpRequestQueue::term() +{ + if (sInstance) + { + sInstance->release(); + sInstance = NULL; + } +} + + +void HttpRequestQueue::addOp(HttpOperation * op) +{ + { + HttpScopedLock lock(mQueueMutex); + + mQueue.push_back(op); + } + mQueueCV.notify_all(); +} + + +HttpOperation * HttpRequestQueue::fetchOp(bool wait) +{ + HttpOperation * result(NULL); + + { + HttpScopedLock lock(mQueueMutex); + + while (mQueue.empty()) + { + if (! wait) + return NULL; + mQueueCV.wait(lock); + } + + result = mQueue.front(); + mQueue.erase(mQueue.begin()); + } + + // Caller also acquires the reference count + return result; +} + + +void HttpRequestQueue::fetchAll(bool wait, OpContainer & ops) +{ + // Note: Should probably test whether we're empty or not here. + // A target passed in with entries is likely also carrying + // reference counts and we're going to leak something. + ops.clear(); + { + HttpScopedLock lock(mQueueMutex); + + while (mQueue.empty()) + { + if (! wait) + return; + mQueueCV.wait(lock); + } + + mQueue.swap(ops); + } + + // Caller also acquires the reference counts on each op. + return; +} + +} // end namespace LLCore diff --git a/indra/llcorehttp/_httprequestqueue.h b/indra/llcorehttp/_httprequestqueue.h new file mode 100644 index 0000000000..3a9ce0c3c6 --- /dev/null +++ b/indra/llcorehttp/_httprequestqueue.h @@ -0,0 +1,104 @@ +/** + * @file _httprequestqueue.h + * @brief Internal declaration for the operation request queue + * + * $LicenseInfo:firstyear=2012&license=viewerlgpl$ + * Second Life Viewer Source Code + * Copyright (C) 2012, Linden Research, Inc. + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; + * version 2.1 of the License only. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + * + * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA + * $/LicenseInfo$ + */ + +#ifndef _LLCORE_HTTP_REQUEST_QUEUE_H_ +#define _LLCORE_HTTP_REQUEST_QUEUE_H_ + + +#include <vector> + +#include "_refcounted.h" +#include "_mutex.h" + + +namespace LLCore +{ + + +class HttpOperation; + + +/// Thread-safe queue of HttpOperation objects. Just +/// a simple queue that handles the transfer of operation +/// requests from all HttpRequest instances into the +/// singleton HttpService instance. + +class HttpRequestQueue: public LLCoreInt::RefCounted +{ +protected: + /// Caller acquires a Refcount on construction + HttpRequestQueue(); + virtual ~HttpRequestQueue(); + +private: + HttpRequestQueue(const HttpRequestQueue &); // Not defined + void operator=(const HttpRequestQueue &); // Not defined + +public: + static void init(); + static void term(); + + /// Threading: callable by any thread once inited. + inline static HttpRequestQueue * instanceOf() + { + return sInstance; + } + +public: + typedef std::vector<HttpOperation *> OpContainer; + + /// Insert an object at the back of the reply queue. + /// + /// Caller my provide one refcount to the Library which takes + /// possession of the count. + /// + /// Threading: callable by any thread. + void addOp(HttpOperation * op); + + /// Caller acquires reference count on returned operation + /// + /// Threading: callable by any thread. + HttpOperation * fetchOp(bool wait); + + /// Caller acquires reference count on each returned operation + /// + /// Threading: callable by any thread. + void fetchAll(bool wait, OpContainer & ops); + +protected: + static HttpRequestQueue * sInstance; + +protected: + OpContainer mQueue; + LLCoreInt::HttpMutex mQueueMutex; + LLCoreInt::HttpConditionVariable mQueueCV; + +}; // end class HttpRequestQueue + +} // end namespace LLCore + + +#endif // _LLCORE_HTTP_REQUEST_QUEUE_H_ diff --git a/indra/llcorehttp/_httpservice.cpp b/indra/llcorehttp/_httpservice.cpp new file mode 100644 index 0000000000..6ebc0ec6cb --- /dev/null +++ b/indra/llcorehttp/_httpservice.cpp @@ -0,0 +1,209 @@ +/** + * @file _httpservice.cpp + * @brief Internal definitions of the Http service thread + * + * $LicenseInfo:firstyear=2012&license=viewerlgpl$ + * Second Life Viewer Source Code + * Copyright (C) 2012, Linden Research, Inc. + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; + * version 2.1 of the License only. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + * + * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA + * $/LicenseInfo$ + */ + +#include "_httpservice.h" + +#include <boost/bind.hpp> +#include <boost/function.hpp> + +#include "_httpoperation.h" +#include "_httprequestqueue.h" +#include "_httppolicy.h" +#include "_httplibcurl.h" +#include "_thread.h" + + +namespace LLCore +{ + +HttpService * HttpService::sInstance(NULL); +volatile HttpService::EState HttpService::sState(NOT_INITIALIZED); + +HttpService::HttpService() + : mRequestQueue(NULL), + mExitRequested(false), + mThread(NULL), + mPolicy(NULL), + mTransport(NULL) +{ +} + + +HttpService::~HttpService() +{ + if (mRequestQueue) + { + mRequestQueue->release(); + mRequestQueue = NULL; + } + + if (mPolicy) + { + // *TODO: need a finalization here + ; + } + + if (mTransport) + { + // *TODO: need a finalization here + delete mTransport; + mTransport = NULL; + } + + if (mPolicy) + { + delete mPolicy; + mPolicy = NULL; + } + + if (mThread) + { + mThread->release(); + mThread = NULL; + } +} + + +void HttpService::init(HttpRequestQueue * queue) +{ + LLINT_ASSERT(! sInstance); + LLINT_ASSERT(NOT_INITIALIZED == sState); + sInstance = new HttpService(); + + queue->addRef(); + sInstance->mRequestQueue = queue; + sInstance->mPolicy = new HttpPolicy(sInstance); + sInstance->mTransport = new HttpLibcurl(sInstance); + sState = INITIALIZED; +} + + +void HttpService::term() +{ + LLINT_ASSERT(RUNNING != sState); + if (sInstance) + { + delete sInstance; + sInstance = NULL; + } + sState = NOT_INITIALIZED; +} + + +bool HttpService::isStopped() +{ + // What is really wanted here is something like: + // + // HttpService * service = instanceOf(); + // return STOPPED == sState && (! service || ! service->mThread || ! service->mThread->joinable()); + // + // But boost::thread is not giving me a consistent story on joinability + // of a thread after it returns. Debug and non-debug builds are showing + // different behavior on Linux/Etch so we do a weaker test that may + // not be globally correct (i.e. thread *is* stopping, may not have + // stopped but will very soon): + + return STOPPED == sState; +} + + +void HttpService::startThread() +{ + LLINT_ASSERT(! mThread || STOPPED == sState); + LLINT_ASSERT(INITIALIZED == sState || STOPPED == sState); + + if (mThread) + { + mThread->release(); + } + mThread = new LLCoreInt::HttpThread(boost::bind(&HttpService::threadRun, this, _1)); + mThread->addRef(); // Need an explicit reference, implicit one is used internally + sState = RUNNING; +} + + +void HttpService::stopRequested() +{ + mExitRequested = true; +} + + +void HttpService::shutdown() +{ + // *FIXME: Run down everything.... +} + + +void HttpService::threadRun(LLCoreInt::HttpThread * thread) +{ + boost::this_thread::disable_interruption di; + + while (! mExitRequested) + { + processRequestQueue(); + + // Process ready queue issuing new requests as needed + mPolicy->processReadyQueue(); + + // Give libcurl some cycles + mTransport->processTransport(); + + // Determine whether to spin, sleep briefly or sleep for next request + // *FIXME: For now, do this +#if defined(WIN32) + Sleep(50); +#else + usleep(5000); +#endif + } + shutdown(); + sState = STOPPED; +} + + +void HttpService::processRequestQueue() +{ + HttpRequestQueue::OpContainer ops; + + mRequestQueue->fetchAll(false, ops); + while (! ops.empty()) + { + HttpOperation * op(ops.front()); + ops.erase(ops.begin()); + + // Process operation + if (! mExitRequested) + { + op->stageFromRequest(this); + } + + // Done with operation + op->release(); + } +} + + +} // end namespace LLCore diff --git a/indra/llcorehttp/_httpservice.h b/indra/llcorehttp/_httpservice.h new file mode 100644 index 0000000000..c052e35452 --- /dev/null +++ b/indra/llcorehttp/_httpservice.h @@ -0,0 +1,162 @@ +/** + * @file _httpservice.h + * @brief Declarations for internal class providing HTTP service. + * + * $LicenseInfo:firstyear=2012&license=viewerlgpl$ + * Second Life Viewer Source Code + * Copyright (C) 2012, Linden Research, Inc. + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; + * version 2.1 of the License only. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + * + * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA + * $/LicenseInfo$ + */ + +#ifndef _LLCORE_HTTP_SERVICE_H_ +#define _LLCORE_HTTP_SERVICE_H_ + + +namespace LLCoreInt +{ + +class HttpThread; + +} + + +namespace LLCore +{ + + +class HttpRequestQueue; +class HttpPolicy; +class HttpLibcurl; + + +/// The HttpService class does the work behind the request queue. It +/// oversees the HTTP workflow carrying out a number of tasks: +/// - Pulling requests from the global request queue +/// - Executing 'immediate' requests directly +/// - Prioritizing and re-queuing on internal queues the slower requests +/// - Providing cpu cycles to the libcurl plumbing +/// - Overseeing retry operations +/// +/// Note that the service object doesn't have a pointer to any +/// reply queue. These are kept by HttpRequest and HttpOperation +/// only. +/// +/// Service, Policy and Transport +/// +/// HttpService could have been a monolithic class combining a request +/// queue servicer, request policy manager and network transport. +/// Instead, to prevent monolithic growth and allow for easier +/// replacement, it was developed as three separate classes: HttpService, +/// HttpPolicy and HttpLibcurl (transport). These always exist in a +/// 1:1:1 relationship with HttpService managing instances of the other +/// two. So, these classes do not use reference counting to refer +/// to one-another, their lifecycles are always managed together. + +class HttpService +{ +protected: + HttpService(); + virtual ~HttpService(); + +private: + HttpService(const HttpService &); // Not defined + void operator=(const HttpService &); // Not defined + +public: + enum EState + { + NOT_INITIALIZED = -1, + INITIALIZED, ///< init() has been called + RUNNING, ///< thread created and running + STOPPED ///< thread has committed to exiting + }; + + static void init(HttpRequestQueue *); + static void term(); + + /// Threading: callable by any thread once inited. + inline static HttpService * instanceOf() + { + return sInstance; + } + + /// Return the state of the worker thread. Note that the + /// transition from RUNNING to STOPPED is performed by the + /// worker thread itself. This has two weaknesses: + /// - race where the thread hasn't really stopped but will + /// - data ordering between threads where a non-worker thread + /// may see a stale RUNNING status. + /// + /// This transition is generally of interest only to unit tests + /// and these weaknesses shouldn't be any real burden. + /// + /// Threading: callable by any thread with above exceptions. + static EState getState() + { + return sState; + } + + /// Threading: callable by any thread but uses @see getState() and + /// acquires its weaknesses. + static bool isStopped(); + + /// Threading: callable by application thread *once*. + void startThread(); + + /// Threading: callable by worker thread. + void stopRequested(); + + /// Threading: callable by worker thread. + void shutdown(); + + HttpPolicy * getPolicy() + { + return mPolicy; + } + + HttpLibcurl * getTransport() + { + return mTransport; + } + +protected: + void threadRun(LLCoreInt::HttpThread * thread); + + void processRequestQueue(); + +protected: + static HttpService * sInstance; + + // === shared data === + static volatile EState sState; + HttpRequestQueue * mRequestQueue; + volatile bool mExitRequested; + + // === calling-thread-only data === + LLCoreInt::HttpThread * mThread; + + // === working-thread-only data === + HttpPolicy * mPolicy; + HttpLibcurl * mTransport; + +}; // end class HttpService + +} // end namespace LLCore + +#endif // _LLCORE_HTTP_SERVICE_H_ diff --git a/indra/llcorehttp/_mutex.h b/indra/llcorehttp/_mutex.h new file mode 100644 index 0000000000..4be4d016d4 --- /dev/null +++ b/indra/llcorehttp/_mutex.h @@ -0,0 +1,55 @@ +/** + * @file _mutex.hpp + * @brief mutex type abstraction + * + * $LicenseInfo:firstyear=2012&license=viewerlgpl$ + * Second Life Viewer Source Code + * Copyright (C) 2012, Linden Research, Inc. + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; + * version 2.1 of the License only. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + * + * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA + * $/LicenseInfo$ + */ + +#ifndef LLCOREINT_MUTEX_H_ +#define LLCOREINT_MUTEX_H_ + + +#include <boost/thread.hpp> + + +namespace LLCoreInt +{ + +// MUTEX TYPES + +// unique mutex type +typedef boost::mutex HttpMutex; + +// CONDITION VARIABLES + +// standard condition variable +typedef boost::condition_variable HttpConditionVariable; + +// LOCKS AND FENCES + +// scoped unique lock +typedef boost::unique_lock<HttpMutex> HttpScopedLock; + +} + +#endif // LLCOREINT_MUTEX_H + diff --git a/indra/llcorehttp/_refcounted.cpp b/indra/llcorehttp/_refcounted.cpp new file mode 100644 index 0000000000..2c132e1b36 --- /dev/null +++ b/indra/llcorehttp/_refcounted.cpp @@ -0,0 +1,39 @@ +/** + * @file _refcounted.cpp + * @brief Atomic, thread-safe ref counting and destruction mixin class + * + * $LicenseInfo:firstyear=2012&license=viewerlgpl$ + * Second Life Viewer Source Code + * Copyright (C) 2012, Linden Research, Inc. + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; + * version 2.1 of the License only. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + * + * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA + * $/LicenseInfo$ + */ + +#include "_refcounted.h" + + +namespace LLCoreInt +{ + +RefCounted::~RefCounted() +{} + + +} // end namespace LLCoreInt + + diff --git a/indra/llcorehttp/_refcounted.h b/indra/llcorehttp/_refcounted.h new file mode 100644 index 0000000000..4a6ce8420a --- /dev/null +++ b/indra/llcorehttp/_refcounted.h @@ -0,0 +1,141 @@ +/** + * @file _refcounted.h + * @brief Atomic, thread-safe ref counting and destruction mixin class + * + * $LicenseInfo:firstyear=2012&license=viewerlgpl$ + * Second Life Viewer Source Code + * Copyright (C) 2012, Linden Research, Inc. + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; + * version 2.1 of the License only. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + * + * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA + * $/LicenseInfo$ + */ + +#ifndef LLCOREINT__REFCOUNTED_H_ +#define LLCOREINT__REFCOUNTED_H_ + + +#include <boost/thread.hpp> + +#include "_assert.h" + + +namespace LLCoreInt +{ + + +class RefCounted +{ +private: + RefCounted(); // Not defined - may not be default constructed + void operator=(const RefCounted &); // Not defined + +public: + explicit RefCounted(bool const implicit) + : mRefCount(implicit) + {} + + // ref-count interface + void addRef() const; + void release() const; + bool isLastRef() const; + int getRefCount() const; + void noRef() const; + + static const int NOT_REF_COUNTED = -1; + +protected: + virtual ~RefCounted(); + virtual void destroySelf(); + +private: + mutable int mRefCount; + mutable boost::mutex mRefLock; + +}; // end class RefCounted + + +inline void RefCounted::addRef() const +{ + boost::mutex::scoped_lock lock(mRefLock); + LLINT_ASSERT(mRefCount >= 0); + ++mRefCount; +} + + +inline void RefCounted::release() const +{ + int count(0); + { + // CRITICAL SECTION + boost::mutex::scoped_lock lock(mRefLock); + LLINT_ASSERT(mRefCount != NOT_REF_COUNTED); + LLINT_ASSERT(mRefCount > 0); + count = --mRefCount; + // CRITICAL SECTION + } + + + // clean ourselves up if that was the last reference + if (0 == count) + { + const_cast<RefCounted *>(this)->destroySelf(); + } +} + + +inline bool RefCounted::isLastRef() const +{ + int count(0); + { + // CRITICAL SECTION + boost::mutex::scoped_lock lock(mRefLock); + + LLINT_ASSERT(mRefCount != NOT_REF_COUNTED); + LLINT_ASSERT(mRefCount >= 1); + count = mRefCount; + // CRITICAL SECTION + } + + return (1 == count); +} + + +inline int RefCounted::getRefCount() const +{ + boost::mutex::scoped_lock lock(mRefLock); + const int result(mRefCount); + return result; +} + + +inline void RefCounted::noRef() const +{ + boost::mutex::scoped_lock lock(mRefLock); + LLINT_ASSERT(mRefCount <= 1); + mRefCount = NOT_REF_COUNTED; +} + + +inline void RefCounted::destroySelf() +{ + delete this; +} + +} // end namespace LLCoreInt + +#endif // LLCOREINT__REFCOUNTED_H_ + diff --git a/indra/llcorehttp/_thread.h b/indra/llcorehttp/_thread.h new file mode 100644 index 0000000000..5960f0dcdb --- /dev/null +++ b/indra/llcorehttp/_thread.h @@ -0,0 +1,106 @@ +/** + * @file _thread.h + * @brief thread type abstraction + * + * $LicenseInfo:firstyear=2012&license=viewerlgpl$ + * Second Life Viewer Source Code + * Copyright (C) 2012, Linden Research, Inc. + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; + * version 2.1 of the License only. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + * + * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA + * $/LicenseInfo$ + */ + +#ifndef LLCOREINT_THREAD_H_ +#define LLCOREINT_THREAD_H_ + + +#include "_refcounted.h" + + +namespace LLCoreInt +{ + +class HttpThread : public RefCounted +{ +private: + HttpThread(); // Not defined + void operator=(const HttpThread &); // Not defined + + void at_exit() + { + // the thread function has exited so we need to release our reference + // to ourself so that we will be automagically cleaned up. + release(); + } + + void run() + { // THREAD CONTEXT + + // The implicit reference to this object is taken for the at_exit + // function so that the HttpThread instance doesn't disappear out + // from underneath it. Other holders of the object may want to + // take a reference as well. + boost::this_thread::at_thread_exit(boost::bind(&HttpThread::at_exit, this)); + + // run the thread function + mThreadFunc(this); + + } // THREAD CONTEXT + +public: + /// Constructs a thread object for concurrent execution but does + /// not start running. Unlike other classes that mixin RefCounted, + /// this does take out a reference but it is used internally for + /// final cleanup during at_exit processing. Callers needing to + /// keep a reference must increment it themselves. + /// + explicit HttpThread(boost::function<void (HttpThread *)> threadFunc) + : RefCounted(true), // implicit reference + mThreadFunc(threadFunc) + { + // this creates a boost thread that will call HttpThread::run on this instance + // and pass it the threadfunc callable... + boost::function<void()> f = boost::bind(&HttpThread::run, this); + + mThread = new boost::thread(f); + } + + virtual ~HttpThread() + { + delete mThread; + } + + inline void join() + { + mThread->join(); + } + + inline bool joinable() const + { + mThread->joinable(); + } + +private: + boost::function<void(HttpThread *)> mThreadFunc; + boost::thread * mThread; +}; // end class HttpThread + +} // end namespace LLCoreInt + +#endif // LLCOREINT_THREAD_H_ + + diff --git a/indra/llcorehttp/bufferarray.cpp b/indra/llcorehttp/bufferarray.cpp new file mode 100644 index 0000000000..4c20350b13 --- /dev/null +++ b/indra/llcorehttp/bufferarray.cpp @@ -0,0 +1,281 @@ +/** + * @file bufferarray.cpp + * @brief Implements the BufferArray scatter/gather buffer + * + * $LicenseInfo:firstyear=2012&license=viewerlgpl$ + * Second Life Viewer Source Code + * Copyright (C) 2012, Linden Research, Inc. + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; + * version 2.1 of the License only. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + * + * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA + * $/LicenseInfo$ + */ + +#include "bufferarray.h" + + +namespace LLCore +{ + + +// ================================== +// BufferArray::Block Declaration +// ================================== + +class BufferArray::Block +{ +public: + ~Block(); + + void operator delete(void *); + void operator delete(void *, size_t len); + +protected: + Block(size_t len); + + Block(const Block &); // Not defined + void operator=(const Block &); // Not defined + + // Allocate the block with the additional space for the + // buffered data at the end of the object. + void * operator new(size_t len, size_t addl_len); + +public: + // Only public entry to get a block. + static Block * alloc(size_t len); + +public: + size_t mLen; + + // *NOTE: Must be last member of the object. We'll + // overallocate as requested via operator new and index + // into the array at will. + char mData[1]; +}; + + +// ================================== +// BufferArray Definitions +// ================================== + + +BufferArray::BufferArray() + : LLCoreInt::RefCounted(true), + mPos(0), + mLen(0) +{} + + +BufferArray::~BufferArray() +{ + for (container_t::iterator it(mBlocks.begin()); + it != mBlocks.end(); + ++it) + { + delete *it; + *it = NULL; + } + mBlocks.clear(); +} + + +size_t BufferArray::append(const char * src, size_t len) +{ + if (len) + { + if (mBlocks.size() >= mBlocks.capacity()) + { + mBlocks.reserve(mBlocks.size() + 5); + } + Block * block = Block::alloc(len); + memcpy(block->mData, src, len); + mBlocks.push_back(block); + mLen += len; + mPos = mLen; + } + return len; +} + + +char * BufferArray::appendBufferAlloc(size_t len) +{ + // If someone asks for zero-length, we give them a valid pointer. + if (mBlocks.size() >= mBlocks.capacity()) + { + mBlocks.reserve(mBlocks.size() + 5); + } + Block * block = Block::alloc(len); + mBlocks.push_back(block); + mLen += len; + mPos = mLen; + return block->mData; +} + + +size_t BufferArray::seek(size_t pos) +{ + if (pos > mLen) + pos = mLen; + mPos = pos; + return mPos; +} + + +size_t BufferArray::read(char * dst, size_t len) +{ + size_t result(0), offset(0); + size_t len_limit(mLen - mPos); + len = std::min(len, len_limit); + + if (mPos >= mLen || 0 == len) + return 0; + + const int block_limit(mBlocks.size()); + int block_start(findBlock(mPos, &offset)); + if (block_start < 0) + return 0; + + do + { + Block & block(*mBlocks[block_start]); + size_t block_limit(block.mLen - offset); + size_t block_len(std::min(block_limit, len)); + + memcpy(dst, &block.mData[offset], block_len); + result += block_len; + len -= block_len; + dst += block_len; + offset = 0; + ++block_start; + } + while (len && block_start < block_limit); + + mPos += result; + return result; +} + + +size_t BufferArray::write(const char * src, size_t len) +{ + size_t result(0), offset(0); + if (mPos > mLen || 0 == len) + return 0; + + const int block_limit(mBlocks.size()); + int block_start(findBlock(mPos, &offset)); + + if (block_start >= 0) + { + // Some or all of the write will be on top of + // existing data. + do + { + Block & block(*mBlocks[block_start]); + size_t block_limit(block.mLen - offset); + size_t block_len(std::min(block_limit, len)); + + memcpy(&block.mData[offset], src, block_len); + result += block_len; + len -= block_len; + src += block_len; + offset = 0; + ++block_start; + } + while (len && block_start < block_limit); + } + mPos += result; + + if (len) + { + // Some or all of the remaining write data will + // be an append. + result += append(src, len); + } + + return result; +} + + +int BufferArray::findBlock(size_t pos, size_t * ret_offset) +{ + *ret_offset = 0; + if (pos >= mLen) + return -1; // Doesn't exist + + const int block_limit(mBlocks.size()); + for (int i(0); i < block_limit; ++i) + { + if (pos < mBlocks[i]->mLen) + { + *ret_offset = pos; + return i; + } + pos -= mBlocks[i]->mLen; + } + + // Shouldn't get here but... + return -1; +} + + +// ================================== +// BufferArray::Block Definitions +// ================================== + + +BufferArray::Block::Block(size_t len) + : mLen(len) +{ + memset(mData, 0, len); +} + + +BufferArray::Block::~Block() +{ + mLen = 0; +} + + +void * BufferArray::Block::operator new(size_t len, size_t addl_len) +{ + void * mem = new char[len + addl_len + sizeof(void *)]; + return mem; +} + + +void BufferArray::Block::operator delete(void * mem) +{ + char * cmem = static_cast<char *>(mem); + delete [] cmem; +} + + +void BufferArray::Block::operator delete(void * mem, size_t) +{ + operator delete(mem); +} + + +BufferArray::Block * BufferArray::Block::alloc(size_t len) +{ + Block * block = new (len) Block(len); + return block; +} + + +} // end namespace LLCore + + diff --git a/indra/llcorehttp/bufferarray.h b/indra/llcorehttp/bufferarray.h new file mode 100644 index 0000000000..b26ad1b297 --- /dev/null +++ b/indra/llcorehttp/bufferarray.h @@ -0,0 +1,168 @@ +/** + * @file bufferarray.h + * @brief Public-facing declaration for the BufferArray scatter/gather class + * + * $LicenseInfo:firstyear=2012&license=viewerlgpl$ + * Second Life Viewer Source Code + * Copyright (C) 2012, Linden Research, Inc. + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; + * version 2.1 of the License only. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + * + * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA + * $/LicenseInfo$ + */ + +#ifndef _LLCORE_BUFFER_ARRAY_H_ +#define _LLCORE_BUFFER_ARRAY_H_ + + +#include <cstdlib> +#include <vector> + +#include "_refcounted.h" + + +namespace LLCore +{ + + +/// A very simple scatter/gather type map for bulk data. The motivation +/// for this class is the writedata callback used by libcurl. Response +/// bodies are delivered to the caller in a sequence of sequential write +/// operations and this class captures them without having to reallocate +/// and move data. +/// +/// The interface looks a little like a unix file descriptor but only +/// just. There is a notion of a current position, starting from 0, +/// which is used as the position in the data when performing read and +/// write operations. The position also moves after various operations: +/// - seek(...) +/// - read(...) +/// - write(...) +/// - append(...) +/// - appendBufferAlloc(...) +/// The object also keeps a total length value which is updated after +/// write and append operations and beyond which the current position +/// cannot be set. +/// +/// Threading: not thread-safe +/// +/// Allocation: Refcounted, heap only. Caller of the constructor +/// is given a single refcount. +/// +class BufferArray : public LLCoreInt::RefCounted +{ +public: + BufferArray(); + virtual ~BufferArray(); + +private: + BufferArray(const BufferArray &); // Not defined + void operator=(const BufferArray &); // Not defined + +public: + /// Appends the indicated data to the BufferArray + /// modifying current position and total size. New + /// position is one beyond the final byte of the buffer. + /// + /// @return Count of bytes copied to BufferArray + size_t append(const char * src, size_t len); + + /// Similar to @see append(), this call guarantees a + /// contiguous block of memory of requested size placed + /// at the current end of the BufferArray. On return, + /// the data in the memory is considered valid whether + /// the caller writes to it or not. + /// + /// @return Pointer to contiguous region at end + /// of BufferArray of 'len' size. + char * appendBufferAlloc(size_t len); + + /// Current count of bytes in BufferArray instance. + size_t size() const + { + return mLen; + } + + /// Set the current position for subsequent read and + /// write operations. 'pos' values before the beginning + /// or greater than the size of the buffer are coerced + /// to a value within the buffer. + /// + /// @return Actual current position after seek. + size_t seek(size_t pos); + + /// Copies data from the current position in the instance + /// to the caller's buffer. Will return a short count of + /// bytes copied if the 'len' extends beyond the data. + size_t read(char * dst, size_t len); + + /// Copies data from the caller's buffer to the instance + /// at the current position. May overwrite existing data, + /// append data when current position is equal to the + /// size of the instance or do a mix of both. + size_t write(const char * src, size_t len); + +protected: + int findBlock(size_t pos, size_t * ret_offset); + +protected: + class Block; + typedef std::vector<Block *> container_t; + + container_t mBlocks; + size_t mPos; + size_t mLen; +}; // end class BufferArray + + +#if 0 + +// Conceptual for now. Another possibility is going with +// something like Boost::asio's buffers interface. They're +// trying to achieve the same thing above and below.... + +class BufferStream : public std::streambuf +{ +public: + BufferStream(BufferArray * buffer); + virtual ~BufferStream(); + +private: + BufferStream(const BufferStream &); // Not defined + void operator=(const BufferStream &); // Not defined + +public: + // Types + typedef std::streambuf::pos_type pos_type; + typedef std::streambuf::off_type off_type; + + virtual int underflow(); + + virtual int overflow(int c); + + virtual int sync(); + + virtual pos_type seekoff(off_type off, std::ios::seekdir way, std::ios::openmode which); + +protected: + BufferArray * mBufferArray; +}; // end class BufferStream + +#endif // 0 + +} // end namespace LLCore + +#endif // _LLCORE_BUFFER_ARRAY_H_ diff --git a/indra/llcorehttp/httpcommon.cpp b/indra/llcorehttp/httpcommon.cpp new file mode 100644 index 0000000000..c37d081150 --- /dev/null +++ b/indra/llcorehttp/httpcommon.cpp @@ -0,0 +1,76 @@ +/** + * @file httpcommon.cpp + * @brief + * + * $LicenseInfo:firstyear=2012&license=viewerlgpl$ + * Second Life Viewer Source Code + * Copyright (C) 2012, Linden Research, Inc. + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; + * version 2.1 of the License only. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + * + * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA + * $/LicenseInfo$ + */ + +#include "httpcommon.h" + +#include <curl/curl.h> +#include <string> + + +namespace LLCore +{ + +HttpStatus::type_enum_t EXT_CURL_EASY; +HttpStatus::type_enum_t EXT_CURL_MULTI; +HttpStatus::type_enum_t LLCORE; + +std::string HttpStatus::toString() const +{ + static const char * llcore_errors[] = + { + "", + "Services shutting down", + "Operation canceled", + "Invalid Content-Range header encountered" + }; + static const int llcore_errors_count(sizeof(llcore_errors) / sizeof(llcore_errors[0])); + + if (*this) + { + return std::string(""); + } + + switch (mType) + { + case EXT_CURL_EASY: + return std::string(curl_easy_strerror(CURLcode(mStatus))); + + case EXT_CURL_MULTI: + return std::string(curl_multi_strerror(CURLMcode(mStatus))); + + case LLCORE: + if (mStatus >= 0 && mStatus < llcore_errors_count) + { + return std::string(llcore_errors[mStatus]); + } + break; + + } + return std::string("Unknown error"); +} + +} // end namespace LLCore + diff --git a/indra/llcorehttp/httpcommon.h b/indra/llcorehttp/httpcommon.h new file mode 100644 index 0000000000..617286fb38 --- /dev/null +++ b/indra/llcorehttp/httpcommon.h @@ -0,0 +1,204 @@ +/** + * @file httpcommon.h + * @brief Public-facing declarations and definitions of common types + * + * $LicenseInfo:firstyear=2012&license=viewerlgpl$ + * Second Life Viewer Source Code + * Copyright (C) 2012, Linden Research, Inc. + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; + * version 2.1 of the License only. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + * + * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA + * $/LicenseInfo$ + */ + +#ifndef _LLCORE_HTTP_COMMON_H_ +#define _LLCORE_HTTP_COMMON_H_ + +/// @package LLCore::HTTP +/// +/// This library implements a high-level, Indra-code-free client interface to +/// HTTP services based on actual patterns found in the viewer and simulator. +/// Interfaces are similar to those supplied by the legacy classes +/// LLCurlRequest and LLHTTPClient. To that is added a policy scheme that +/// allows an application to specify connection behaviors: limits on +/// connections, HTTP keepalive, HTTP pipelining, retry-on-error limits, etc. +/// +/// Features of the library include: +/// - Single, private working thread where all transport and processing occurs. +/// - Support for multiple consumers running in multiple threads. +/// - Scatter/gather (a.k.a. buffer array) model for bulk data movement. +/// - Reference counting used for many object instance lifetimes. +/// - Minimal data sharing across threads for correctness and low latency. +/// +/// The public interface is declared in a few key header files: +/// - <core-http/bufferarray.h> +/// - <core-http/httpcommon.h> +/// - <core-http/httphandler.h> +/// - <core-http/httpheaders.h> +/// - <core-http/httpoptions.h> +/// - <core-http/httprequest.h> +/// - <core-http/httpresponse.h> +/// +/// The library is still under early development and particular users +/// may need access to internal implementation details that are found +/// in the _*.h header files. But this is a crutch to be avoided if at +/// all possible and probably indicates some interface work is neeeded. +/// +/// Using the library is fairly easy. Global setup needs a few +/// steps: +/// +/// - libcurl initialization with thread-safely callbacks for c-ares +/// DNS lookups. +/// - HttpRequest::createService() called to instantiate singletons +/// and support objects. +/// +/// An HTTP consumer in an application, and an application may have many +/// consumers, does a few things: +/// +/// - Instantiate and retain an object based on HttpRequest. This +/// object becomes the portal into runtime services for the consumer. +/// - Derive or mixin the HttpHandler class if you want notification +/// when requests succeed or fail. This object's onCompleted() +/// method is invoked and an instance can be shared across +/// requests. +/// +/// Issuing a request is straightforward: +/// - Construct a suitable URL. +/// - Configure HTTP options for the request. (optional) +/// - Build a list of additional headers. (optional) +/// - Invoke one of the requestXXXX() methods (requestGetByteRange, +/// requestPost, etc.) on the HttpRequest instance supplying the +/// above along with a policy class, a priority and an optional +/// pointer to an HttpHandler instance. Work is then queued to +/// the worker thread and occurs asynchronously. +/// - Periodically invoke the update() method on the HttpRequest +/// instance which performs completion notification to HttpHandler +/// objects. +/// - Do completion processing in your onCompletion() method. +/// +/// Code fragments: +/// <TBD> +/// + +#include <string> + + +namespace LLCore +{ + + +/// All queued requests are represented by an HttpHandle value. +/// The invalid value is returned when a request failed to queue. +/// The actual status for these failures is then fetched with +/// HttpRequest::getStatus(). +/// +/// The handle is valid only for the life of a request. On +/// return from any HttpHandler notification, the handle immediately +/// becomes invalid and may be recycled for other queued requests. + +typedef void * HttpHandle; +#define LLCORE_HTTP_HANDLE_INVALID (NULL) + + +/// Error codes defined by the library itself as distinct from +/// libcurl (or any other transport provider). +enum HttpError +{ + // Successful value compatible with the libcurl codes. + HE_SUCCESS = 0, + + // Service is shutting down and requested operation will + // not be queued or performed. + HE_SHUTTING_DOWN = 1, + + // Operation was canceled by request. + HE_OP_CANCELED = 2, + + // Invalid content range header received. + HE_INV_CONTENT_RANGE_HDR = 3 + +}; // end enum HttpError + + +/// HttpStatus encapsulates errors from libcurl (easy, multi) as well as +/// internal errors. The encapsulation isn't expected to completely +/// isolate the caller from libcurl but basic operational tests (success +/// or failure) are provided. +struct HttpStatus +{ + typedef unsigned short type_enum_t; + + HttpStatus() + : mType(LLCORE), + mStatus(HE_SUCCESS) + {} + + HttpStatus(type_enum_t type, short status) + : mType(type), + mStatus(status) + {} + + HttpStatus(const HttpStatus & rhs) + : mType(rhs.mType), + mStatus(rhs.mStatus) + {} + + HttpStatus & operator=(const HttpStatus & rhs) + { + // Don't care if lhs & rhs are the same object + + mType = rhs.mType; + mStatus = rhs.mStatus; + return *this; + } + + static const type_enum_t EXT_CURL_EASY = 0; + static const type_enum_t EXT_CURL_MULTI = 1; + static const type_enum_t LLCORE = 2; + + type_enum_t mType; + short mStatus; + + /// Test for successful status in the code regardless + /// of error source (internal, libcurl). + /// + /// @return 'true' when status is successful. + /// + operator bool() const + { + return 0 == mStatus; + } + + /// Inverse of previous operator. + /// + /// @return 'true' on any error condition + bool operator !() const + { + return 0 != mStatus; + } + + /// Convert status to a string representation. For + /// success, returns an empty string. For failure + /// statuses, a string as appropriate for the source of + /// the error code (libcurl easy, libcurl multi, or + /// LLCore itself). + std::string toString() const; + +}; // end struct HttpStatus + +} // end namespace LLCore + +#endif // _LLCORE_HTTP_COMMON_H_ diff --git a/indra/llcorehttp/httphandler.h b/indra/llcorehttp/httphandler.h new file mode 100644 index 0000000000..9171e4e7b9 --- /dev/null +++ b/indra/llcorehttp/httphandler.h @@ -0,0 +1,88 @@ +/** + * @file httphandler.h + * @brief Public-facing declarations for the HttpHandler class + * + * $LicenseInfo:firstyear=2012&license=viewerlgpl$ + * Second Life Viewer Source Code + * Copyright (C) 2012, Linden Research, Inc. + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; + * version 2.1 of the License only. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + * + * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA + * $/LicenseInfo$ + */ + +#ifndef _LLCORE_HTTP_HANDLER_H_ +#define _LLCORE_HTTP_HANDLER_H_ + + +#include "httpcommon.h" + + +namespace LLCore +{ + +class HttpResponse; + + +/// HttpHandler defines an interface used by the library to +/// notify library callers of significant events, currently +/// request completion. Callers must derive or mixin this class +/// then provide an implementation of the @see onCompleted +/// method to receive such notifications. An instance may +/// be shared by any number of requests and across instances +/// of HttpRequest running in the same thread. +/// +/// Threading: HttpHandler itself is pure interface and is +/// tread-compatible. Most derivations, however, will have +/// different constraints. +/// +/// Allocation: Not refcounted, may be stack allocated though +/// that is rarely a good idea. Queued requests and replies keep +/// a naked pointer to the handler and this can result in a +/// dangling pointer if lifetimes aren't managed correctly. + +class HttpHandler +{ +public: + virtual ~HttpHandler() + {} + + /// Method invoked during calls to @see update(). Each invocation + /// represents the completion of some requested operation. Caller + /// can identify the request from the handle and interrogate the + /// response argument for success/failure, data and other information. + /// + /// @param handle Identifier of the request generating + /// the notification. + /// @param response Supplies detailed information about + /// the request including status codes + /// (both programming and HTTP), HTTP body + /// data and encodings, headers, etc. + /// The response object is refcounted and + /// the called code may retain the object + /// by invoking @see addRef() on it. The + /// library itself drops all references to + /// to object on return and never touches + /// it again. + /// + virtual void onCompleted(HttpHandle handle, HttpResponse * response) = 0; + +}; // end class HttpHandler + + +} // end namespace LLCore + +#endif // _LLCORE_HTTP_HANDLER_H_ diff --git a/indra/llcorehttp/httpheaders.cpp b/indra/llcorehttp/httpheaders.cpp new file mode 100644 index 0000000000..2832696271 --- /dev/null +++ b/indra/llcorehttp/httpheaders.cpp @@ -0,0 +1,44 @@ +/** + * @file httpheaders.cpp + * @brief Implementation of the HTTPHeaders class + * + * $LicenseInfo:firstyear=2012&license=viewerlgpl$ + * Second Life Viewer Source Code + * Copyright (C) 2012, Linden Research, Inc. + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; + * version 2.1 of the License only. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + * + * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA + * $/LicenseInfo$ + */ + +#include "httpheaders.h" + + +namespace LLCore +{ + + +HttpHeaders::HttpHeaders() + : RefCounted(true) +{} + + +HttpHeaders::~HttpHeaders() +{} + + +} // end namespace LLCore + diff --git a/indra/llcorehttp/httpheaders.h b/indra/llcorehttp/httpheaders.h new file mode 100644 index 0000000000..0b6d82561b --- /dev/null +++ b/indra/llcorehttp/httpheaders.h @@ -0,0 +1,86 @@ +/** + * @file httpheaders.h + * @brief Public-facing declarations for the HttpHeaders class + * + * $LicenseInfo:firstyear=2012&license=viewerlgpl$ + * Second Life Viewer Source Code + * Copyright (C) 2012, Linden Research, Inc. + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; + * version 2.1 of the License only. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + * + * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA + * $/LicenseInfo$ + */ + +#ifndef _LLCORE_HTTP_HEADERS_H_ +#define _LLCORE_HTTP_HEADERS_H_ + + +#include <string> + +#include "_refcounted.h" + + +namespace LLCore +{ + +/// +/// Maintains an ordered list of name/value pairs representing +/// HTTP header lines. This is used both to provide additional +/// headers when making HTTP requests and in responses when the +/// caller has asked that headers be returned (not the default +/// option). +/// +/// @note +/// This is a minimally-functional placeholder at the moment +/// to fill out the class hierarchy. The final class will be +/// something else, probably more pair-oriented. It's also +/// an area where shared values are desirable so refcounting is +/// already specced and a copy-on-write scheme imagined. +/// Expect changes here. +/// +/// Threading: Not intrinsically thread-safe. It *is* expected +/// that callers will build these objects and then share them +/// via reference counting with the worker thread. The implication +/// is that once an HttpHeader instance is handed to a request, +/// the object must be treated as read-only. +/// +/// Allocation: Refcounted, heap only. Caller of the +/// constructor is given a refcount. +/// + +class HttpHeaders : public LLCoreInt::RefCounted +{ +public: + /// @post In addition to the instance, caller has a refcount + /// to the instance. A call to @see release() will destroy + /// the instance. + HttpHeaders(); + ~HttpHeaders(); + +protected: + HttpHeaders(const HttpHeaders &); // Not defined + void operator=(const HttpHeaders &); // Not defined + +public: + typedef std::vector<std::string> container_t; + container_t mHeaders; + +}; // end class HttpHeaders + +} // end namespace LLCore + + +#endif // _LLCORE_HTTP_HEADERS_H_ diff --git a/indra/llcorehttp/httpoptions.cpp b/indra/llcorehttp/httpoptions.cpp new file mode 100644 index 0000000000..15b505f5bf --- /dev/null +++ b/indra/llcorehttp/httpoptions.cpp @@ -0,0 +1,50 @@ +/** + * @file httpoptions.cpp + * @brief Implementation of the HTTPOptions class + * + * $LicenseInfo:firstyear=2012&license=viewerlgpl$ + * Second Life Viewer Source Code + * Copyright (C) 2012, Linden Research, Inc. + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; + * version 2.1 of the License only. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + * + * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA + * $/LicenseInfo$ + */ + +#include "httpoptions.h" + + +namespace LLCore +{ + + +HttpOptions::HttpOptions() + : RefCounted(true), + mWantHeaders(false) +{} + + +HttpOptions::HttpOptions(const HttpOptions & rhs) + : RefCounted(true), + mWantHeaders(rhs.mWantHeaders) +{} + + +HttpOptions::~HttpOptions() +{} + + +} // end namespace LLCore diff --git a/indra/llcorehttp/httpoptions.h b/indra/llcorehttp/httpoptions.h new file mode 100644 index 0000000000..267a982dd5 --- /dev/null +++ b/indra/llcorehttp/httpoptions.h @@ -0,0 +1,80 @@ +/** + * @file httpoptions.h + * @brief Public-facing declarations for the HTTPOptions class + * + * $LicenseInfo:firstyear=2012&license=viewerlgpl$ + * Second Life Viewer Source Code + * Copyright (C) 2012, Linden Research, Inc. + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; + * version 2.1 of the License only. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + * + * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA + * $/LicenseInfo$ + */ + +#ifndef _LLCORE_HTTP_OPTIONS_H_ +#define _LLCORE_HTTP_OPTIONS_H_ + + +#include "httpcommon.h" + +#include "_refcounted.h" + + +namespace LLCore +{ + + +/// Really a struct in spirit, it provides options that +/// modify HTTP requests. +/// +/// Sharing instances across requests. It's intended that +/// these be shared across requests: caller can create one +/// of these, set it up as needed and then reference it +/// repeatedly in HTTP operations. But see the Threading +/// note about references. +/// +/// Threading: While this class does nothing to ensure thread +/// safety, it *is* intended to be shared between the application +/// thread and the worker thread. This means that once an instance +/// is delivered to the library in request operations, the +/// option data must not be written until all such requests +/// complete and relinquish their references. +/// +/// Allocation: Refcounted, heap only. Caller of the constructor +/// is given a refcount. +/// +class HttpOptions : public LLCoreInt::RefCounted +{ +public: + HttpOptions(); + HttpOptions(const HttpOptions &); + virtual ~HttpOptions(); + +protected: + void operator=(const HttpOptions &); // Not defined + +public: + +protected: + // *TODO: add some options + bool mWantHeaders; + +}; // end class HttpOptions + + +} // end namespace HttpOptions + +#endif // _LLCORE_HTTP_OPTIONS_H_ diff --git a/indra/llcorehttp/httprequest.cpp b/indra/llcorehttp/httprequest.cpp new file mode 100644 index 0000000000..2a87f5231a --- /dev/null +++ b/indra/llcorehttp/httprequest.cpp @@ -0,0 +1,295 @@ +/** + * @file httprequest.cpp + * @brief Implementation of the HTTPRequest class + * + * $LicenseInfo:firstyear=2012&license=viewerlgpl$ + * Second Life Viewer Source Code + * Copyright (C) 2012, Linden Research, Inc. + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; + * version 2.1 of the License only. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + * + * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA + * $/LicenseInfo$ + */ + +#include "httprequest.h" + +#include "_httprequestqueue.h" +#include "_httpreplyqueue.h" +#include "_httpservice.h" +#include "_httpoperation.h" +#include "_httpoprequest.h" + + +namespace +{ + +bool has_inited(false); + +} + +namespace LLCore +{ + +// ==================================== +// InternalHandler Implementation +// ==================================== + + +class HttpRequest::InternalHandler : public HttpHandler +{ +public: + InternalHandler(HttpRequest & request) + : mRequest(request) + {} + +protected: + InternalHandler(const InternalHandler &); // Not defined + void operator=(const InternalHandler &); // Not defined + +public: + void onCompleted(HttpHandle handle, HttpResponse * response) + { + HttpOperation * op(static_cast<HttpOperation *>(handle)); + HttpHandler * user_handler(op->getUserHandler()); + if (user_handler) + { + user_handler->onCompleted(handle, response); + } + } + +protected: + HttpRequest & mRequest; + +}; // end class HttpRequest::InternalHandler + + +// ==================================== +// HttpRequest Implementation +// ==================================== + + +unsigned int HttpRequest::sNextPolicyID(1); + + +HttpRequest::HttpRequest() + : //HttpHandler(), + mReplyQueue(NULL), + mRequestQueue(NULL), + mSelfHandler(NULL) +{ + mRequestQueue = HttpRequestQueue::instanceOf(); + mRequestQueue->addRef(); + + mReplyQueue = new HttpReplyQueue(); + + mSelfHandler = new InternalHandler(*this); +} + + +HttpRequest::~HttpRequest() +{ + if (mRequestQueue) + { + mRequestQueue->release(); + mRequestQueue = NULL; + } + + if (mReplyQueue) + { + mReplyQueue->release(); + mReplyQueue = NULL; + } + + delete mSelfHandler; + mSelfHandler = NULL; +} + + +// ==================================== +// Policy Methods +// ==================================== + + +HttpStatus HttpRequest::setPolicyGlobalOption(EGlobalPolicy opt, long value) +{ + HttpStatus status; + + return status; +} + + +unsigned int HttpRequest::createPolicyClass() +{ + unsigned int policy_id = 1; + + return policy_id; +} + + +HttpStatus HttpRequest::setPolicyClassOption(unsigned int policy_id, + EClassPolicy opt, + long value) +{ + HttpStatus status; + + return status; +} + + +// ==================================== +// Request Methods +// ==================================== + + +HttpStatus HttpRequest::getStatus() const +{ + return mLastReqStatus; +} + + +HttpHandle HttpRequest::requestGetByteRange(unsigned int policy_id, + float priority, + const std::string & url, + size_t offset, + size_t len, + HttpOptions * options, + HttpHeaders * headers, + HttpHandler * user_handler) +{ + HttpStatus status; + HttpHandle handle(LLCORE_HTTP_HANDLE_INVALID); + + HttpOpRequest * op = new HttpOpRequest(); + if (! (status = op->setupGetByteRange(policy_id, priority, url, offset, len, options, headers))) + { + op->release(); + mLastReqStatus = status; + return handle; + } + op->setHandlers(mReplyQueue, mSelfHandler, user_handler); + mRequestQueue->addOp(op); // transfers refcount + + mLastReqStatus = status; + handle = static_cast<HttpHandle>(op); + + return handle; +} + + +HttpHandle HttpRequest::requestNoOp(HttpHandler * user_handler) +{ + HttpStatus status; + HttpHandle handle(LLCORE_HTTP_HANDLE_INVALID); + + HttpOpNull * op = new HttpOpNull(); + op->setHandlers(mReplyQueue, mSelfHandler, user_handler); + mRequestQueue->addOp(op); // transfer refcount as well + + mLastReqStatus = status; + handle = static_cast<HttpHandle>(op); + + return handle; +} + + +HttpStatus HttpRequest::update(long millis) +{ + HttpStatus status; + + // *FIXME: need timer stuff + // long now(getNow()); + // long limit(now + millis); + + HttpOperation * op(NULL); + while ((op = mReplyQueue->fetchOp())) + { + // Process operation + op->visitNotifier(this); + + // We're done with the operation + op->release(); + } + + return status; +} + + + + +// ==================================== +// Request Management Methods +// ==================================== + + +// ==================================== +// Utility Methods +// ==================================== + +HttpStatus HttpRequest::createService() +{ + HttpStatus status; + + LLINT_ASSERT(! has_inited); + HttpRequestQueue::init(); + HttpRequestQueue * rq = HttpRequestQueue::instanceOf(); + HttpService::init(rq); + has_inited = true; + + return status; +} + + +HttpStatus HttpRequest::destroyService() +{ + HttpStatus status; + + LLINT_ASSERT(has_inited); + HttpService::term(); + HttpRequestQueue::term(); + has_inited = false; + + return status; +} + + +HttpStatus HttpRequest::startThread() +{ + HttpStatus status; + + HttpService::instanceOf()->startThread(); + + return status; +} + + +HttpHandle HttpRequest::requestStopThread(HttpHandler * user_handler) +{ + HttpStatus status; + HttpHandle handle(LLCORE_HTTP_HANDLE_INVALID); + + HttpOpStop * op = new HttpOpStop(); + op->setHandlers(mReplyQueue, mSelfHandler, user_handler); + mRequestQueue->addOp(op); // transfer refcount as well + + mLastReqStatus = status; + handle = static_cast<HttpHandle>(op); + + return handle; +} + + +} // end namespace LLCore + diff --git a/indra/llcorehttp/httprequest.h b/indra/llcorehttp/httprequest.h new file mode 100644 index 0000000000..4bbd13a13a --- /dev/null +++ b/indra/llcorehttp/httprequest.h @@ -0,0 +1,316 @@ +/** + * @file httprequest.h + * @brief Public-facing declarations for HttpRequest class + * + * $LicenseInfo:firstyear=2012&license=viewerlgpl$ + * Second Life Viewer Source Code + * Copyright (C) 2012, Linden Research, Inc. + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; + * version 2.1 of the License only. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + * + * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA + * $/LicenseInfo$ + */ + +#ifndef _LLCORE_HTTP_REQUEST_H_ +#define _LLCORE_HTTP_REQUEST_H_ + + +#include "httpcommon.h" +#include "httphandler.h" + + +namespace LLCore +{ + +class HttpRequestQueue; +class HttpReplyQueue; +class HttpService; +class HttpOptions; +class HttpHeaders; +class HttpOperation; + +/// HttpRequest supplies the entry into the HTTP transport +/// services in the LLCore libraries. Services provided include: +/// +/// - Some, but not all, global initialization of libcurl. +/// - Starting asynchronous, threaded HTTP requests. +/// - Definition of policy classes affect request handling. +/// - Utilities to control request options and headers +/// +/// Requests +/// +/// The class supports the current HTTP request operations: +/// +/// - requestGetByteRange: GET with Range header for a single range of bytes +/// +/// Policy Classes +/// +/// <TBD> +/// +/// Usage +/// +/// <TBD> +/// +/// Threading: An instance may only be used by one application/ +/// consumer thread. But a thread may have as many instances of +/// this as it likes. +/// +/// Allocation: Not refcounted, may be stack allocated though that +/// hasn't been tested. Queued requests can still run and any +/// queued replies will keep refcounts to the reply queue leading +/// to memory leaks. +/// +/// @pre Before using this class (static or instances), some global +/// initialization is required. See @see httpcommon.h for more information. +/// +/// @nosubgrouping +/// + +class HttpRequest +{ +public: + HttpRequest(); + virtual ~HttpRequest(); + +private: + HttpRequest(const HttpRequest &); // Disallowed + void operator=(const HttpRequest &); // Disallowed + +public: + /// @name PolicyMethods + /// @{ + + /// Represents a default, catch-all policy class that guarantees + /// eventual service for any HTTP request. + static const int DEFAULT_POLICY_ID = 0; + + enum EGlobalPolicy + { + /// Maximum number of connections the library will use to + /// perform operations. This is somewhat soft as the underlying + /// transport will cache some connections (up to 5). + GLOBAL_CONNECTION_LIMIT + }; + + /// Set a parameter on a global policy option. Calls + /// made after the start of the servicing thread are + /// not honored and return an error status. + /// + /// @param opt Enum of option to be set. + /// @param value Desired value of option. + /// @return Standard status code. + HttpStatus setPolicyGlobalOption(EGlobalPolicy opt, long value); + + /// Create a new policy class into which requests can be made. + /// + /// @return If positive, the policy_id used to reference + /// the class in other methods. If -1, an error + /// occurred and @see getStatus() may provide more + /// detail on the reason. + unsigned int createPolicyClass(); + + enum EClassPolicy + { + /// Limits the number of connections used for the class. + CLASS_CONNECTION_LIMIT, + + /// Limits the number of connections used for a single + /// literal address/port pair within the class. + PER_HOST_CONNECTION_LIMIT, + + /// Suitable requests are allowed to pipeline on their + /// connections when they ask for it. + ENABLE_PIPELINING + }; + + /// Set a parameter on a class-based policy option. Calls + /// made after the start of the servicing thread are + /// not honored and return an error status. + /// + /// @param policy_id ID of class as returned by @see createPolicyClass(). + /// @param opt Enum of option to be set. + /// @param value Desired value of option. + /// @return Standard status code. + HttpStatus setPolicyClassOption(unsigned int policy_id, + EClassPolicy opt, + long value); + + /// @} + + /// @name RequestMethods + /// + /// @{ + + /// Some calls expect to succeed as the normal part of operation and so + /// return a useful value rather than a status. When they do fail, the + /// status is saved and can be fetched with this method. + /// + /// @return Status of the failing method invocation. If the + /// preceding call succeeded or other HttpStatus + /// returning calls immediately preceded this method, + /// the returned value may not be reliable. + /// + HttpStatus getStatus() const; + + /// Queue a full HTTP GET request to be issued with a 'Range' header. + /// The request is queued and serviced by the working thread and + /// notification of completion delivered to the optional HttpHandler + /// argument during @see update() calls. + /// + /// With a valid handle returned, it can be used to reference the + /// request in other requests (like cancellation) and will be an + /// argument when any HttpHandler object is invoked. + /// + /// @param policy_id Default or user-defined policy class under + /// which this request is to be serviced. + /// @param priority Standard priority scheme inherited from + /// Indra code base. + /// @param url + /// @param offset + /// @param len + /// @param options (optional) + /// @param headers (optional) + /// @param handler (optional) + /// @return The handle of the request if successfully + /// queued or LLCORE_HTTP_HANDLE_INVALID if the + /// request could not be queued. In the latter + /// case, @see getStatus() will return more info. + /// + HttpHandle requestGetByteRange(unsigned int policy_id, + float priority, + const std::string & url, + size_t offset, + size_t len, + HttpOptions * options, + HttpHeaders * headers, + HttpHandler * handler); + + + /// Queue a NoOp request. + /// The request is queued and serviced by the working thread which + /// immediately processes it and returns the request to the reply + /// queue. + /// + /// @param handler (optional) + /// @return The handle of the request if successfully + /// queued or LLCORE_HTTP_HANDLE_INVALID if the + /// request could not be queued. In the latter + /// case, @see getStatus() will return more info. + /// + HttpHandle requestNoOp(HttpHandler * handler); + + /// While all the heavy work is done by the worker thread, notifications + /// must be performed in the context of the application thread. These + /// are done synchronously during calls to this method which gives the + /// library control so notification can be performed. Application handlers + /// are expected to return 'quickly' and do any significant processing + /// outside of the notification callback to onCompleted(). + /// + /// @param millis Maximum number of wallclock milliseconds to + /// spend in the call. As hinted at above, this + /// is partly a function of application code so it's + /// a soft limit. (And not currently implemented.) + /// + /// @return Standard status code. + HttpStatus update(long millis); + + /// @} + + /// @name RequestMgmtMethods + /// + /// @{ + + HttpHandle requestCancel(HttpHandle request, HttpHandler *); + + /// @} + + /// @name UtilityMethods + /// + /// @{ + + /// Initialization method that needs to be called before queueing any + /// requests. Doesn't start the worker thread and may be called befoer + /// or after policy setup. + static HttpStatus createService(); + + /// Mostly clean shutdown of services prior to exit. Caller is expected + /// to have stopped a running worker thread before calling this. + static HttpStatus destroyService(); + + /// Called once after @see createService() to start the worker thread. + /// Stopping the thread is achieved by requesting it via @see requestStopThread(). + /// May be called before or after requests are issued. + static HttpStatus startThread(); + + /// Queues a request to the worker thread to have it stop processing + /// and exit (without exiting the program). When the operation is + /// picked up by the worker thread, it immediately processes it and + /// begins detaching from refcounted resources like request and + /// reply queues and then returns to the host OS. It *does* queue a + /// reply to give the calling application thread a notification that + /// the operation has been performed. + /// + /// @param handler (optional) + /// @return The handle of the request if successfully + /// queued or LLCORE_HTTP_HANDLE_INVALID if the + /// request could not be queued. In the latter + /// case, @see getStatus() will return more info. + /// As the request cannot be cancelled, the handle + /// is generally not useful. + /// + HttpHandle requestStopThread(HttpHandler * handler); + + /// @} + +protected: + void generateNotification(HttpOperation * op); + + class InternalHandler; + friend class InternalHandler; + +private: + /// @name InstanceData + /// + /// @{ + HttpStatus mLastReqStatus; + HttpReplyQueue * mReplyQueue; + HttpRequestQueue * mRequestQueue; + InternalHandler * mSelfHandler; + + /// @} + + // ==================================== + /// @name GlobalState + /// + /// @{ + /// + /// Must be established before any threading is allowed to + /// start. + /// + static unsigned int sNextPolicyID; + + /// @} + // End Global State + // ==================================== + +}; // end class HttpRequest + + +} // end namespace LLCore + + + +#endif // _LLCORE_HTTP_REQUEST_H_ diff --git a/indra/llcorehttp/httpresponse.cpp b/indra/llcorehttp/httpresponse.cpp new file mode 100644 index 0000000000..9ac8276f05 --- /dev/null +++ b/indra/llcorehttp/httpresponse.cpp @@ -0,0 +1,89 @@ +/** + * @file httpresponse.cpp + * @brief + * + * $LicenseInfo:firstyear=2012&license=viewerlgpl$ + * Second Life Viewer Source Code + * Copyright (C) 2012, Linden Research, Inc. + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; + * version 2.1 of the License only. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + * + * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA + * $/LicenseInfo$ + */ + +#include "httpresponse.h" +#include "bufferarray.h" +#include "httpheaders.h" + + +namespace LLCore +{ + + +HttpResponse::HttpResponse() + : LLCoreInt::RefCounted(true), + mReplyStatus(0U), + mBufferArray(NULL), + mHeaders(NULL) +{} + + +HttpResponse::~HttpResponse() +{ + setBody(NULL); + setHeaders(NULL); +} + + +void HttpResponse::setBody(BufferArray * ba) +{ + if (mBufferArray == ba) + return; + + if (mBufferArray) + { + mBufferArray->release(); + } + + if (ba) + { + ba->addRef(); + } + + mBufferArray = ba; +} + + +void HttpResponse::setHeaders(HttpHeaders * headers) +{ + if (mHeaders == headers) + return; + + if (mHeaders) + { + mHeaders->release(); + } + + if (headers) + { + headers->addRef(); + } + + mHeaders = headers; +} + + +} // end namespace LLCore diff --git a/indra/llcorehttp/httpresponse.h b/indra/llcorehttp/httpresponse.h new file mode 100644 index 0000000000..a25e22aef6 --- /dev/null +++ b/indra/llcorehttp/httpresponse.h @@ -0,0 +1,137 @@ +/** + * @file httpresponse.h + * @brief Public-facing declarations for the HttpResponse class + * + * $LicenseInfo:firstyear=2012&license=viewerlgpl$ + * Second Life Viewer Source Code + * Copyright (C) 2012, Linden Research, Inc. + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; + * version 2.1 of the License only. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + * + * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA + * $/LicenseInfo$ + */ + +#ifndef _LLCORE_HTTP_RESPONSE_H_ +#define _LLCORE_HTTP_RESPONSE_H_ + + +#include "httpcommon.h" + +#include "_refcounted.h" + + +namespace LLCore +{ + +class BufferArray; +class HttpHeaders; + +/// HttpResponse is instantiated by the library and handed to +/// the caller during callbacks to the handler. It supplies +/// all the status, header and HTTP body data the caller is +/// interested in. Methods provide simple getters to return +/// individual pieces of the response. +/// +/// Typical usage will have the caller interrogate the object +/// and return from the handler callback. Instances are refcounted +/// and callers can bump the count and retain the object as needed. +/// +/// Threading: Not intrinsically thread-safe. +/// +/// Allocation: Refcounted, heap only. Caller of the constructor +/// is given a refcount. +/// +class HttpResponse : public LLCoreInt::RefCounted +{ +public: + HttpResponse(); + virtual ~HttpResponse(); + +protected: + HttpResponse(const HttpResponse &); // Not defined + void operator=(const HttpResponse &); // Not defined + +public: + /// Returns the final status of the requested operation. + /// + // *FIXME: Haven't incorporated HTTP status into this yet. + // Will do soon. + HttpStatus getStatus() const + { + return mStatus; + } + + void setStatus(const HttpStatus & status) + { + mStatus = status; + } + + /// Fetch the HTTP reply status. This is only guaranteed to be + /// valid if the HttpStatus tests successful and was the result + /// of a completed HTTP request. + unsigned int getReplyStatus() const + { + return mReplyStatus; + } + + void setReplyStatus(unsigned int status) + { + mReplyStatus = status; + } + + /// Simple getter for the response body returned as a scatter/gather + /// buffer. If the operation doesn't produce data (such as the Null + /// or StopThread operations), this may be NULL. + /// + /// Caller can hold onto the response by incrementing the reference + /// count of the returned object. + BufferArray * getBody() const + { + return mBufferArray; + } + + /// Set the response data in the instance. Will drop the reference + /// count to any existing data and increment the count of that passed + /// in. It is legal to set the data to NULL. + void setBody(BufferArray * ba); + + /// And a getter for the headers. And as with @see getResponse(), + /// if headers aren't available because the operation doesn't produce + /// any or delivery of headers wasn't requested in the options, this + /// will be NULL. + /// + /// Caller can hold onto the headers by incrementing the reference + /// count of the returned object. + HttpHeaders * getHeaders() const + { + return mHeaders; + } + + /// Behaves like @see setResponse() but for header data. + void setHeaders(HttpHeaders * headers); + +protected: + // Response data here + HttpStatus mStatus; + unsigned int mReplyStatus; + BufferArray * mBufferArray; + HttpHeaders * mHeaders; +}; + + +} // end namespace LLCore + +#endif // _LLCORE_HTTP_RESPONSE_H_ diff --git a/indra/llcorehttp/tests/all_test.cpp b/indra/llcorehttp/tests/all_test.cpp new file mode 100644 index 0000000000..636f6f8c05 --- /dev/null +++ b/indra/llcorehttp/tests/all_test.cpp @@ -0,0 +1,64 @@ +/** + * @file test_all + * @brief Main test runner + * + * $LicenseInfo:firstyear=2012&license=viewerlgpl$ + * Second Life Viewer Source Code + * Copyright (C) 2012, Linden Research, Inc. + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; + * version 2.1 of the License only. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + * + * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA + * $/LicenseInfo$ + */ + + +#include <iostream> + +#include <tut/tut.hpp> +#include <tut/tut_reporter.hpp> + +#include <curl/curl.h> + +// Pull in each of the test sets +#include "test_httpstatus.hpp" +#include "test_refcounted.hpp" +#include "test_httpoperation.hpp" +#include "test_httprequest.hpp" +#include "test_httpheaders.hpp" +#include "test_bufferarray.hpp" +#include "test_httprequestqueue.hpp" + + +namespace tut +{ + test_runner_singleton runner; +} + +int main() +{ + curl_global_init(CURL_GLOBAL_ALL); + + // *FIXME: Need threaded/SSL curl setup here. + + tut::reporter reporter; + + tut::runner.get().set_callback(&reporter); + tut::runner.get().run_tests(); + return !reporter.all_ok(); + + curl_global_cleanup(); +} + diff --git a/indra/llcorehttp/tests/test_allocator.cpp b/indra/llcorehttp/tests/test_allocator.cpp new file mode 100644 index 0000000000..926de0a208 --- /dev/null +++ b/indra/llcorehttp/tests/test_allocator.cpp @@ -0,0 +1,178 @@ +/** + * @file test_allocator.cpp + * @brief quick and dirty allocator for tracking memory allocations + * + * $LicenseInfo:firstyear=2012&license=viewerlgpl$ + * Second Life Viewer Source Code + * Copyright (C) 2012, Linden Research, Inc. + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; + * version 2.1 of the License only. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + * + * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA + * $/LicenseInfo$ + */ + +#include "test_allocator.h" + +#if __ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__ >= 1050 +#include <libkern/OSAtomic.h> +#elif defined(_MSC_VER) +#include <Windows.h> +#elif (__GNUC__ * 10000 + __GNUC_MINOR__ * 100 + __GNUC_PATCHLEVEL__ ) > 40100 +// atomic extensions are built into GCC on posix platforms +#endif + +#include <cassert> +#include <cstdlib> +#include <cstring> +#include <vector> +#include <iostream> +#include <new> + +#include <boost/thread.hpp> + + +#if defined(WIN32) +#define THROW_BAD_ALLOC() _THROW1(std::bad_alloc) +#define THROW_NOTHING() _THROW0() +#else +#define THROW_BAD_ALLOC() throw(std::bad_alloc) +#define THROW_NOTHING() throw() +#endif + + +struct BlockHeader +{ + struct Block * next; + std::size_t size; + bool in_use; +}; + +struct Block +{ + BlockHeader hdr; + unsigned char data[1]; +}; + +#define TRACE_MSG(val) std::cout << __FUNCTION__ << "(" << val << ") [" << __FILE__ << ":" << __LINE__ << "]" << std::endl; + +static unsigned char MemBuf[ 4096 * 1024 ]; +Block * pNext = static_cast<Block *>(static_cast<void *>(MemBuf)); +volatile std::size_t MemTotal = 0; + +// cross-platform compare and swap operation +static bool CAS(void * volatile * ptr, void * expected, void * new_value) +{ +#if __ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__ >= 1050 + return OSAtomicCompareAndSwapPtr( expected, new_value, ptr ); +#elif defined(_MSC_VER) + return expected == InterlockedCompareExchangePointer( ptr, new_value, expected ); +#elif (__GNUC__ * 10000 + __GNUC_MINOR__ * 100 + __GNUC_PATCHLEVEL__ ) > 40100 + return __sync_bool_compare_and_swap( ptr, expected, new_value ); +#endif +} + +static void * GetMem(std::size_t size) +{ + // TRACE_MSG(size); + volatile Block * pBlock = NULL; + volatile Block * pNewNext = NULL; + + // do a lock-free update of the global next pointer + do + { + pBlock = pNext; + pNewNext = (volatile Block *)(pBlock->data + size); + + } while(! CAS((void * volatile *) &pNext, (void *) pBlock, (void *) pNewNext)); + + // if we get here, we safely carved out a block of memory in the + // memory pool... + + // initialize our block + pBlock->hdr.next = (Block *)(pBlock->data + size); + pBlock->hdr.size = size; + pBlock->hdr.in_use = true; + memset((void *) pBlock->data, 0, pBlock->hdr.size); + + // do a lock-free update of the global memory total + volatile size_t total = 0; + volatile size_t new_total = 0; + do + { + total = MemTotal; + new_total = total + size; + + } while (! CAS((void * volatile *) &MemTotal, (void *) total, (void *) new_total)); + + return (void *) pBlock->data; +} + + +static void FreeMem(void * p) +{ + // get the pointer to the block record + Block * pBlock = (Block *)((unsigned char *) p - sizeof(BlockHeader)); + + // TRACE_MSG(pBlock->hdr.size); + bool * cur_in_use = &(pBlock->hdr.in_use); + volatile bool in_use = false; + bool new_in_use = false; + do + { + in_use = pBlock->hdr.in_use; + } while (! CAS((void * volatile *) cur_in_use, (void *) in_use, (void *) new_in_use)); + + // do a lock-free update of the global memory total + volatile size_t total = 0; + volatile size_t new_total = 0; + do + { + total = MemTotal; + new_total = total - pBlock->hdr.size; + } while (! CAS((void * volatile *)&MemTotal, (void *) total, (void *) new_total)); +} + + +std::size_t GetMemTotal() +{ + return MemTotal; +} + + +void * operator new(std::size_t size) THROW_BAD_ALLOC() +{ + return GetMem( size ); +} + + +void * operator new[](std::size_t size) THROW_BAD_ALLOC() +{ + return GetMem( size ); +} + + +void operator delete(void * p) THROW_NOTHING() +{ + FreeMem( p ); +} + + +void operator delete[](void * p) THROW_NOTHING() +{ + FreeMem( p ); +} + + diff --git a/indra/llcorehttp/tests/test_allocator.h b/indra/llcorehttp/tests/test_allocator.h new file mode 100644 index 0000000000..3572bbc5c5 --- /dev/null +++ b/indra/llcorehttp/tests/test_allocator.h @@ -0,0 +1,47 @@ +/** + * @file test_allocator.h + * @brief quick and dirty allocator for tracking memory allocations + * + * $LicenseInfo:firstyear=2012&license=viewerlgpl$ + * Second Life Viewer Source Code + * Copyright (C) 2012, Linden Research, Inc. + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; + * version 2.1 of the License only. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + * + * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA + * $/LicenseInfo$ + */ + +#ifndef TEST_ALLOCATOR_H +#define TEST_ALLOCATOR_H + +#include <cstdlib> +#include <new> + +size_t GetMemTotal(); +#if defined(WIN32) +void * operator new(std::size_t size) _THROW1(std::bad_alloc); +void * operator new[](std::size_t size) _THROW1(std::bad_alloc); +void operator delete(void * p) _THROW0(); +void operator delete[](void * p) _THROW0(); +#else +void * operator new(std::size_t size) throw (std::bad_alloc); +void * operator new[](std::size_t size) throw (std::bad_alloc); +void operator delete(void * p) throw (); +void operator delete[](void * p) throw (); +#endif + +#endif // TEST_ALLOCATOR_H + diff --git a/indra/llcorehttp/tests/test_bufferarray.hpp b/indra/llcorehttp/tests/test_bufferarray.hpp new file mode 100644 index 0000000000..4f5d0284a1 --- /dev/null +++ b/indra/llcorehttp/tests/test_bufferarray.hpp @@ -0,0 +1,456 @@ +/** + * @file test_bufferarray.hpp + * @brief unit tests for the LLCore::BufferArray class + * + * $LicenseInfo:firstyear=2012&license=viewerlgpl$ + * Second Life Viewer Source Code + * Copyright (C) 2012, Linden Research, Inc. + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; + * version 2.1 of the License only. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + * + * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA + * $/LicenseInfo$ + */ +#ifndef TEST_LLCORE_BUFFER_ARRAY_H_ +#define TEST_LLCORE_BUFFER_ARRAY_H_ + +#include <core-http/bufferarray.h> + +#include <iostream> + +#include "test_allocator.h" + + +using namespace LLCoreInt; + + + +namespace tut +{ + +struct BufferArrayTestData +{ + // the test objects inherit from this so the member functions and variables + // can be referenced directly inside of the test functions. + size_t mMemTotal; +}; + +typedef test_group<BufferArrayTestData> BufferArrayTestGroupType; +typedef BufferArrayTestGroupType::object BufferArrayTestObjectType; +BufferArrayTestGroupType BufferArrayTestGroup("BufferArray Tests"); + +template <> template <> +void BufferArrayTestObjectType::test<1>() +{ + set_test_name("BufferArray construction"); + + // record the total amount of dynamically allocated memory + mMemTotal = GetMemTotal(); + + // create a new ref counted object with an implicit reference + BufferArray * ba = new BufferArray(); + ensure("One ref on construction of BufferArray", ba->getRefCount() == 1); + ensure("Memory being used", mMemTotal < GetMemTotal()); + ensure("Nothing in BA", 0 == ba->size()); + + // Try to read + char buffer[20]; + size_t read_len(ba->read(buffer, sizeof(buffer))); + ensure("Read returns empty", 0 == read_len); + + // release the implicit reference, causing the object to be released + ba->release(); + + // make sure we didn't leak any memory + ensure(mMemTotal == GetMemTotal()); +} + +template <> template <> +void BufferArrayTestObjectType::test<2>() +{ + set_test_name("BufferArray single write"); + + // record the total amount of dynamically allocated memory + mMemTotal = GetMemTotal(); + + // create a new ref counted object with an implicit reference + BufferArray * ba = new BufferArray(); + + // write some data to the buffer + char str1[] = "abcdefghij"; + char buffer[256]; + + size_t len = ba->write(str1, strlen(str1)); + ensure("Wrote length correct", strlen(str1) == len); + ensure("Recorded size correct", strlen(str1) == ba->size()); + + // read some data back + len = ba->seek(2); + ensure("Seek worked", 2 == len); + + memset(buffer, 'X', sizeof(buffer)); + len = ba->read(buffer, 2); + ensure("Read length correct", 2 == len); + ensure("Read content correct", 'c' == buffer[0] && 'd' == buffer[1]); + ensure("Read didn't overwrite", 'X' == buffer[2]); + + // release the implicit reference, causing the object to be released + ba->release(); + + // make sure we didn't leak any memory + ensure(mMemTotal == GetMemTotal()); +} + + +template <> template <> +void BufferArrayTestObjectType::test<3>() +{ + set_test_name("BufferArray multiple writes"); + + // record the total amount of dynamically allocated memory + mMemTotal = GetMemTotal(); + + // create a new ref counted object with an implicit reference + BufferArray * ba = new BufferArray(); + + // write some data to the buffer + char str1[] = "abcdefghij"; + size_t str1_len(strlen(str1)); + char buffer[256]; + + size_t len = ba->write(str1, str1_len); + ensure("Wrote length correct", str1_len == len); + ensure("Recorded size correct", str1_len == ba->size()); + + // again... + len = ba->write(str1, strlen(str1)); + ensure("Wrote length correct", str1_len == len); + ensure("Recorded size correct", (2 * str1_len) == ba->size()); + + // read some data back + len = ba->seek(8); + ensure("Seek worked", 8 == len); + + memset(buffer, 'X', sizeof(buffer)); + len = ba->read(buffer, 4); + ensure("Read length correct", 4 == len); + ensure("Read content correct", 'i' == buffer[0] && 'j' == buffer[1]); + ensure("Read content correct", 'a' == buffer[2] && 'b' == buffer[3]); + ensure("Read didn't overwrite", 'X' == buffer[4]); + + // Read whole thing + len = ba->seek(0); + ensure("Seek worked (2)", 0 == len); + + memset(buffer, 'X', sizeof(buffer)); + len = ba->read(buffer, sizeof(buffer)); + ensure("Read length correct", (2 * str1_len) == len); + ensure("Read content correct (3)", 0 == strncmp(buffer, str1, str1_len)); + ensure("Read content correct (4)", 0 == strncmp(&buffer[str1_len], str1, str1_len)); + ensure("Read didn't overwrite (5)", 'X' == buffer[2 * str1_len]); + + // release the implicit reference, causing the object to be released + ba->release(); + + // make sure we didn't leak any memory + ensure(mMemTotal == GetMemTotal()); +} + +template <> template <> +void BufferArrayTestObjectType::test<4>() +{ + set_test_name("BufferArray overwriting"); + + // record the total amount of dynamically allocated memory + mMemTotal = GetMemTotal(); + + // create a new ref counted object with an implicit reference + BufferArray * ba = new BufferArray(); + + // write some data to the buffer + char str1[] = "abcdefghij"; + size_t str1_len(strlen(str1)); + char str2[] = "ABCDEFGHIJ"; + size_t str2_len(strlen(str2)); + char buffer[256]; + + size_t len = ba->write(str1, str1_len); + ensure("Wrote length correct", str1_len == len); + ensure("Recorded size correct", str1_len == ba->size()); + + // again... + len = ba->write(str1, strlen(str1)); + ensure("Wrote length correct", str1_len == len); + ensure("Recorded size correct", (2 * str1_len) == ba->size()); + + // reposition and overwrite + len = ba->seek(8); + ensure("Seek worked", 8 == len); + len = ba->write(str2, 4); + ensure("Overwrite length correct", 4 == len); + + // Leave position and read verifying content + memset(buffer, 'X', sizeof(buffer)); + len = ba->read(buffer, 4); + ensure("Read length correct", 4 == len); + ensure("Read content correct", 'c' == buffer[0] && 'd' == buffer[1]); + ensure("Read content correct.2", 'e' == buffer[2] && 'f' == buffer[3]); + ensure("Read didn't overwrite", 'X' == buffer[4]); + + // reposition and check + len = ba->seek(6); + memset(buffer, 'X', sizeof(buffer)); + len = ba->read(buffer, 8); + ensure("Read length correct.2", 8 == len); + ensure("Read content correct.3", 'g' == buffer[0] && 'h' == buffer[1]); + ensure("Read content correct.4", 'A' == buffer[2] && 'B' == buffer[3]); + ensure("Read content correct.5", 'C' == buffer[4] && 'D' == buffer[5]); + ensure("Read content correct.6", 'c' == buffer[6] && 'd' == buffer[7]); + ensure("Read didn't overwrite.7", 'X' == buffer[8]); + + // release the implicit reference, causing the object to be released + ba->release(); + + // make sure we didn't leak any memory + ensure(mMemTotal == GetMemTotal()); +} + +template <> template <> +void BufferArrayTestObjectType::test<5>() +{ + set_test_name("BufferArray multiple writes - sequential reads"); + + // record the total amount of dynamically allocated memory + mMemTotal = GetMemTotal(); + + // create a new ref counted object with an implicit reference + BufferArray * ba = new BufferArray(); + + // write some data to the buffer + char str1[] = "abcdefghij"; + size_t str1_len(strlen(str1)); + char buffer[256]; + + size_t len = ba->write(str1, str1_len); + ensure("Wrote length correct", str1_len == len); + ensure("Recorded size correct", str1_len == ba->size()); + + // again... + len = ba->write(str1, strlen(str1)); + ensure("Wrote length correct", str1_len == len); + ensure("Recorded size correct", (2 * str1_len) == ba->size()); + + // read some data back + len = ba->seek(8); + ensure("Seek worked", 8 == len); + + memset(buffer, 'X', sizeof(buffer)); + len = ba->read(buffer, 4); + ensure("Read length correct", 4 == len); + ensure("Read content correct", 'i' == buffer[0] && 'j' == buffer[1]); + ensure("Read content correct.2", 'a' == buffer[2] && 'b' == buffer[3]); + ensure("Read didn't overwrite", 'X' == buffer[4]); + + // Read some more without repositioning + memset(buffer, 'X', sizeof(buffer)); + len = ba->read(buffer, sizeof(buffer)); + ensure("Read length correct", (str1_len - 2) == len); + ensure("Read content correct.3", 0 == strncmp(buffer, str1+2, str1_len-2)); + ensure("Read didn't overwrite.2", 'X' == buffer[str1_len-1]); + + // release the implicit reference, causing the object to be released + ba->release(); + + // make sure we didn't leak any memory + ensure(mMemTotal == GetMemTotal()); +} + +template <> template <> +void BufferArrayTestObjectType::test<6>() +{ + set_test_name("BufferArray overwrite spanning blocks and appending"); + + // record the total amount of dynamically allocated memory + mMemTotal = GetMemTotal(); + + // create a new ref counted object with an implicit reference + BufferArray * ba = new BufferArray(); + + // write some data to the buffer + char str1[] = "abcdefghij"; + size_t str1_len(strlen(str1)); + char str2[] = "ABCDEFGHIJKLMNOPQRST"; + size_t str2_len(strlen(str2)); + char buffer[256]; + + size_t len = ba->write(str1, str1_len); + ensure("Wrote length correct", str1_len == len); + ensure("Recorded size correct", str1_len == ba->size()); + + // again... + len = ba->write(str1, strlen(str1)); + ensure("Wrote length correct", str1_len == len); + ensure("Recorded size correct", (2 * str1_len) == ba->size()); + + // reposition and overwrite + len = ba->seek(8); + ensure("Seek worked", 8 == len); + len = ba->write(str2, str2_len); + ensure("Overwrite length correct", str2_len == len); + + // Leave position and read verifying content + memset(buffer, 'X', sizeof(buffer)); + len = ba->read(buffer, 0); + ensure("Read length correct", 0 == len); + ensure("Read didn't overwrite", 'X' == buffer[0]); + + // reposition and check + len = ba->seek(0); + memset(buffer, 'X', sizeof(buffer)); + len = ba->read(buffer, sizeof(buffer)); + ensure("Read length correct.2", (str1_len + str2_len - 2) == len); + ensure("Read content correct", 0 == strncmp(buffer, str1, str1_len-2)); + ensure("Read content correct.2", 0 == strncmp(buffer+str1_len-2, str2, str2_len)); + ensure("Read didn't overwrite.2", 'X' == buffer[str1_len + str2_len - 2]); + + // release the implicit reference, causing the object to be released + ba->release(); + + // make sure we didn't leak any memory + ensure("All memory released", mMemTotal == GetMemTotal()); +} + +template <> template <> +void BufferArrayTestObjectType::test<7>() +{ + set_test_name("BufferArray overwrite spanning blocks and sequential writes"); + + // record the total amount of dynamically allocated memory + mMemTotal = GetMemTotal(); + + // create a new ref counted object with an implicit reference + BufferArray * ba = new BufferArray(); + + // write some data to the buffer + char str1[] = "abcdefghij"; + size_t str1_len(strlen(str1)); + char str2[] = "ABCDEFGHIJKLMNOPQRST"; + size_t str2_len(strlen(str2)); + char buffer[256]; + + // 2x str1 + size_t len = ba->write(str1, str1_len); + len = ba->write(str1, strlen(str1)); + + // reposition and overwrite + len = ba->seek(6); + len = ba->write(str2, 2); + ensure("Overwrite length correct", 2 == len); + + len = ba->write(str2, 2); + ensure("Overwrite length correct.2", 2 == len); + + len = ba->write(str2, 2); + ensure("Overwrite length correct.3", 2 == len); + + // append some data + len = ba->append(str2, str2_len); + ensure("Append length correct", str2_len == len); + + // append some more + char * out_buf(ba->appendBufferAlloc(str1_len)); + memcpy(out_buf, str1, str1_len); + + // And some final writes + len = ba->write(str2, 2); + ensure("Write length correct.2", 2 == len); + + // Check contents + memset(buffer, 'X', sizeof(buffer)); + ba->seek(0); + len = ba->read(buffer, sizeof(buffer)); + ensure("Final buffer length correct", (3 * str1_len + str2_len + 2) == len); + ensure("Read content correct", 0 == strncmp(buffer, str1, 6)); + ensure("Read content correct.2", 0 == strncmp(buffer + 6, str2, 2)); + ensure("Read content correct.3", 0 == strncmp(buffer + 8, str2, 2)); + ensure("Read content correct.4", 0 == strncmp(buffer + 10, str2, 2)); + ensure("Read content correct.5", 0 == strncmp(buffer + str1_len + 2, str1 + 2, str1_len - 2)); + ensure("Read content correct.6", 0 == strncmp(buffer + str1_len + str1_len, str2, str2_len)); + ensure("Read content correct.7", 0 == strncmp(buffer + str1_len + str1_len + str2_len, str1, str1_len)); + ensure("Read content correct.8", 0 == strncmp(buffer + str1_len + str1_len + str2_len + str1_len, str2, 2)); + ensure("Read didn't overwrite", 'X' == buffer[str1_len + str1_len + str2_len + str1_len + 2]); + + // release the implicit reference, causing the object to be released + ba->release(); + + // make sure we didn't leak any memory + ensure("All memory released", mMemTotal == GetMemTotal()); +} + +template <> template <> +void BufferArrayTestObjectType::test<8>() +{ + set_test_name("BufferArray zero-length appendBufferAlloc"); + + // record the total amount of dynamically allocated memory + mMemTotal = GetMemTotal(); + + // create a new ref counted object with an implicit reference + BufferArray * ba = new BufferArray(); + + // write some data to the buffer + char str1[] = "abcdefghij"; + size_t str1_len(strlen(str1)); + char str2[] = "ABCDEFGHIJKLMNOPQRST"; + size_t str2_len(strlen(str2)); + char buffer[256]; + + // 2x str1 + size_t len = ba->write(str1, str1_len); + len = ba->write(str1, strlen(str1)); + + // zero-length allocate (we allow this with a valid pointer returned) + char * out_buf(ba->appendBufferAlloc(0)); + ensure("Buffer from zero-length appendBufferAlloc non-NULL", NULL != out_buf); + + // Do it again + char * out_buf2(ba->appendBufferAlloc(0)); + ensure("Buffer from zero-length appendBufferAlloc non-NULL.2", NULL != out_buf2); + ensure("Two zero-length appendBufferAlloc buffers distinct", out_buf != out_buf2); + + // And some final writes + len = ba->write(str2, str2_len); + + // Check contents + memset(buffer, 'X', sizeof(buffer)); + ba->seek(0); + len = ba->read(buffer, sizeof(buffer)); + ensure("Final buffer length correct", (2 * str1_len + str2_len) == len); + ensure("Read content correct.1", 0 == strncmp(buffer, str1, str1_len)); + ensure("Read content correct.2", 0 == strncmp(buffer + str1_len, str1, str1_len)); + ensure("Read content correct.3", 0 == strncmp(buffer + str1_len + str1_len, str2, str2_len)); + ensure("Read didn't overwrite", 'X' == buffer[str1_len + str1_len + str2_len]); + + // release the implicit reference, causing the object to be released + ba->release(); + + // make sure we didn't leak any memory + ensure("All memory released", mMemTotal == GetMemTotal()); +} + +} // end namespace tut + + +#endif // TEST_LLCORE_BUFFER_ARRAY_H_ diff --git a/indra/llcorehttp/tests/test_httpheaders.hpp b/indra/llcorehttp/tests/test_httpheaders.hpp new file mode 100644 index 0000000000..d22b516691 --- /dev/null +++ b/indra/llcorehttp/tests/test_httpheaders.hpp @@ -0,0 +1,108 @@ +/** + * @file test_httpheaders.hpp + * @brief unit tests for the LLCore::HttpHeaders class + * + * $LicenseInfo:firstyear=2012&license=viewerlgpl$ + * Second Life Viewer Source Code + * Copyright (C) 2012, Linden Research, Inc. + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; + * version 2.1 of the License only. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + * + * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA + * $/LicenseInfo$ + */ +#ifndef TEST_LLCORE_HTTP_HEADERS_H_ +#define TEST_LLCORE_HTTP_HEADERS_H_ + +#include <core-http/httpheaders.h> + +#include <iostream> + +#include "test_allocator.h" + + +using namespace LLCoreInt; + + + +namespace tut +{ + +struct HttpHeadersTestData +{ + // the test objects inherit from this so the member functions and variables + // can be referenced directly inside of the test functions. + size_t mMemTotal; +}; + +typedef test_group<HttpHeadersTestData> HttpHeadersTestGroupType; +typedef HttpHeadersTestGroupType::object HttpHeadersTestObjectType; +HttpHeadersTestGroupType HttpHeadersTestGroup("HttpHeaders Tests"); + +template <> template <> +void HttpHeadersTestObjectType::test<1>() +{ + set_test_name("HttpHeaders construction"); + + // record the total amount of dynamically allocated memory + mMemTotal = GetMemTotal(); + + // create a new ref counted object with an implicit reference + HttpHeaders * headers = new HttpHeaders(); + ensure("One ref on construction of HttpHeaders", headers->getRefCount() == 1); + ensure("Memory being used", mMemTotal < GetMemTotal()); + ensure("Nothing in headers", 0 == headers->mHeaders.size()); + + // release the implicit reference, causing the object to be released + headers->release(); + + // make sure we didn't leak any memory + ensure(mMemTotal == GetMemTotal()); +} + +template <> template <> +void HttpHeadersTestObjectType::test<2>() +{ + set_test_name("HttpHeaders construction"); + + // record the total amount of dynamically allocated memory + mMemTotal = GetMemTotal(); + + // create a new ref counted object with an implicit reference + HttpHeaders * headers = new HttpHeaders(); + + { + // Append a few strings + std::string str1("Pragma:"); + headers->mHeaders.push_back(str1); + std::string str2("Accept: application/json"); + headers->mHeaders.push_back(str2); + + ensure("Headers retained", 2 == headers->mHeaders.size()); + ensure("First is first", headers->mHeaders[0] == str1); + ensure("Second is second", headers->mHeaders[1] == str2); + } + + // release the implicit reference, causing the object to be released + headers->release(); + + // make sure we didn't leak any memory + ensure(mMemTotal == GetMemTotal()); +} + +} // end namespace tut + + +#endif // TEST_LLCORE_HTTP_HEADERS_H_ diff --git a/indra/llcorehttp/tests/test_httpoperation.hpp b/indra/llcorehttp/tests/test_httpoperation.hpp new file mode 100644 index 0000000000..c9feaddb2a --- /dev/null +++ b/indra/llcorehttp/tests/test_httpoperation.hpp @@ -0,0 +1,128 @@ +/** + * @file test_httpoperation.hpp + * @brief unit tests for the LLCore::HttpOperation-derived classes + * + * $LicenseInfo:firstyear=2012&license=viewerlgpl$ + * Second Life Viewer Source Code + * Copyright (C) 2012, Linden Research, Inc. + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; + * version 2.1 of the License only. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + * + * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA + * $/LicenseInfo$ + */ +#ifndef TEST_LLCORE_HTTP_OPERATION_H_ +#define TEST_LLCORE_HTTP_OPERATION_H_ + +#include "_httpoperation.h" +#include <core-http/httphandler.h> + +#include <iostream> + +#include "test_allocator.h" + + +using namespace LLCoreInt; + + +namespace +{ + +class TestHandler : public LLCore::HttpHandler +{ +public: + virtual void onCompleted(HttpHandle, HttpResponse *) + { + std::cout << "TestHandler::onCompleted() invoked" << std::endl; + } + +}; + + +} // end namespace anonymous + + +namespace tut +{ + struct HttpOperationTestData + { + // the test objects inherit from this so the member functions and variables + // can be referenced directly inside of the test functions. + size_t mMemTotal; + }; + + typedef test_group<HttpOperationTestData> HttpOperationTestGroupType; + typedef HttpOperationTestGroupType::object HttpOperationTestObjectType; + HttpOperationTestGroupType HttpOperationTestGroup("HttpOperation Tests"); + + template <> template <> + void HttpOperationTestObjectType::test<1>() + { + set_test_name("HttpOpNull construction"); + + // record the total amount of dynamically allocated memory + mMemTotal = GetMemTotal(); + + // create a new ref counted object with an implicit reference + HttpOpNull * op = new HttpOpNull(); + ensure(op->getRefCount() == 1); + ensure(mMemTotal < GetMemTotal()); + + // release the implicit reference, causing the object to be released + op->release(); + + // make sure we didn't leak any memory + ensure(mMemTotal == GetMemTotal()); + } + + template <> template <> + void HttpOperationTestObjectType::test<2>() + { + set_test_name("HttpOpNull construction with handlers"); + + // record the total amount of dynamically allocated memory + mMemTotal = GetMemTotal(); + + // Get some handlers + TestHandler * h1 = new TestHandler(); + TestHandler * h2 = new TestHandler(); + + // create a new ref counted object with an implicit reference + HttpOpNull * op = new HttpOpNull(); + + // Add the handlers + op->setHandlers(NULL, h1, h2); + + // Check ref count + ensure(op->getRefCount() == 1); + + // release the reference, releasing the operation but + // not the handlers. + op->release(); + op = NULL; + ensure(mMemTotal != GetMemTotal()); + + // release the handlers + delete h1; + h1 = NULL; + delete h2; + h2 = NULL; + + ensure(mMemTotal == GetMemTotal()); + } + +} + +#endif // TEST_LLCORE_HTTP_OPERATION_H_ diff --git a/indra/llcorehttp/tests/test_httprequest.hpp b/indra/llcorehttp/tests/test_httprequest.hpp new file mode 100644 index 0000000000..df5640859f --- /dev/null +++ b/indra/llcorehttp/tests/test_httprequest.hpp @@ -0,0 +1,437 @@ +/** + * @file test_httprequest.hpp + * @brief unit tests for the LLCore::HttpRequest class + * + * $LicenseInfo:firstyear=2012&license=viewerlgpl$ + * Second Life Viewer Source Code + * Copyright (C) 2012, Linden Research, Inc. + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; + * version 2.1 of the License only. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + * + * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA + * $/LicenseInfo$ + */ +#ifndef TEST_LLCORE_HTTP_REQUEST_H_ +#define TEST_LLCORE_HTTP_REQUEST_H_ + +#include <core-http/httprequest.h> +#include <core-http/httphandler.h> +#include <core-http/httpresponse.h> +#include <core-http/_httpservice.h> +#include <core-http/_httprequestqueue.h> + +#include <curl/curl.h> + +#include "test_allocator.h" + + +using namespace LLCoreInt; + + +namespace +{ + +#if defined(WIN32) + +void usleep(unsigned long usec); + +#endif + +} + +namespace tut +{ + +struct HttpRequestTestData +{ + // the test objects inherit from this so the member functions and variables + // can be referenced directly inside of the test functions. + size_t mMemTotal; + int mHandlerCalls; + HttpStatus mStatus; +}; + +class TestHandler2 : public LLCore::HttpHandler +{ +public: + TestHandler2(HttpRequestTestData * state, + const std::string & name) + : mState(state), + mName(name), + mExpectHandle(LLCORE_HTTP_HANDLE_INVALID) + {} + + virtual void onCompleted(HttpHandle handle, HttpResponse * response) + { + if (LLCORE_HTTP_HANDLE_INVALID != mExpectHandle) + { + ensure("Expected handle received in handler", mExpectHandle == handle); + } + ensure("Handler got a response", NULL != response); + if (response && mState) + { + const HttpStatus actual_status(response->getStatus()); + + ensure("Expected HttpStatus received in response", actual_status == mState->mStatus); + } + if (mState) + { + mState->mHandlerCalls++; + } + // std::cout << "TestHandler2::onCompleted() invoked" << std::endl; + } + + HttpRequestTestData * mState; + std::string mName; + HttpHandle mExpectHandle; +}; + +typedef test_group<HttpRequestTestData> HttpRequestTestGroupType; +typedef HttpRequestTestGroupType::object HttpRequestTestObjectType; +HttpRequestTestGroupType HttpRequestTestGroup("HttpRequest Tests"); + +template <> template <> +void HttpRequestTestObjectType::test<1>() +{ + set_test_name("HttpRequest construction"); + + // record the total amount of dynamically allocated memory + mMemTotal = GetMemTotal(); + + // Get singletons created + HttpRequest::createService(); + + // create a new ref counted object with an implicit reference + HttpRequest * req = new HttpRequest(); + ensure(mMemTotal < GetMemTotal()); + + // release the request object + delete req; + req = NULL; + + HttpRequest::destroyService(); + + // make sure we didn't leak any memory + ensure(mMemTotal == GetMemTotal()); +} + +template <> template <> +void HttpRequestTestObjectType::test<2>() +{ + set_test_name("HttpRequest and Null Op queued"); + + // record the total amount of dynamically allocated memory + mMemTotal = GetMemTotal(); + + // Get singletons created + HttpRequest::createService(); + + // create a new ref counted object with an implicit reference + HttpRequest * req = new HttpRequest(); + ensure(mMemTotal < GetMemTotal()); + + // Issue a NoOp + HttpHandle handle = req->requestNoOp(NULL); + ensure(handle != LLCORE_HTTP_HANDLE_INVALID); + + // release the request object + delete req; + req = NULL; + + // We're still holding onto the operation which is + // sitting, unserviced, on the request queue so... + ensure(mMemTotal < GetMemTotal()); + + // Request queue should have two references: global singleton & service object + ensure("Two references to request queue", 2 == HttpRequestQueue::instanceOf()->getRefCount()); + + // Okay, tear it down + HttpRequest::destroyService(); + // printf("Old mem: %d, New mem: %d\n", mMemTotal, GetMemTotal()); + ensure(mMemTotal == GetMemTotal()); +} + + +template <> template <> +void HttpRequestTestObjectType::test<3>() +{ + set_test_name("HttpRequest NoOp + Stop execution"); + + // Handler can be stack-allocated *if* there are no dangling + // references to it after completion of this method. + // Create before memory record as the string copy will bump numbers. + TestHandler2 handler(this, "handler"); + + // record the total amount of dynamically allocated memory + mMemTotal = GetMemTotal(); + mHandlerCalls = 0; + + // Get singletons created + HttpRequest::createService(); + + // Start threading early so that thread memory is invariant + // over the test. + HttpRequest::startThread(); + + // create a new ref counted object with an implicit reference + HttpRequest * req = new HttpRequest(); + ensure("Memory allocated on construction", mMemTotal < GetMemTotal()); + + // Issue a NoOp + HttpHandle handle = req->requestNoOp(&handler); + ensure("Valid handle returned for first request", handle != LLCORE_HTTP_HANDLE_INVALID); + + // Run the notification pump. + int count(0); + int limit(20); + while (count++ < limit && mHandlerCalls < 1) + { + req->update(1000); + usleep(100000); + } + ensure("Request executed in reasonable time", count < limit); + ensure("One handler invocation for request", mHandlerCalls == 1); + + // Okay, request a shutdown of the servicing thread + handle = req->requestStopThread(&handler); + ensure("Valid handle returned for second request", handle != LLCORE_HTTP_HANDLE_INVALID); + + // Run the notification pump again + count = 0; + limit = 100; + while (count++ < limit && mHandlerCalls < 2) + { + req->update(1000); + usleep(100000); + } + ensure("Second request executed in reasonable time", count < limit); + ensure("Second handler invocation", mHandlerCalls == 2); + + // See that we actually shutdown the thread + count = 0; + limit = 10; + while (count++ < limit && ! HttpService::isStopped()) + { + usleep(100000); + } + ensure("Thread actually stopped running", HttpService::isStopped()); + + // release the request object + delete req; + req = NULL; + + // Shut down service + HttpRequest::destroyService(); + + // We have left over state so can't really say something + // definitive about memory usage at the end of this. + ensure("Two handler calls on the way out", 2 == mHandlerCalls); + // printf("Old mem: %d, New mem: %d\n", mMemTotal, GetMemTotal()); + ensure("Memory usage back to that at entry", mMemTotal == GetMemTotal()); +} + +template <> template <> +void HttpRequestTestObjectType::test<4>() +{ + set_test_name("2 HttpRequest instances, one thread"); + + // Handler can be stack-allocated *if* there are no dangling + // references to it after completion of this method. + TestHandler2 handler1(this, "handler1"); + TestHandler2 handler2(this, "handler2"); + + // record the total amount of dynamically allocated memory + mMemTotal = GetMemTotal(); + mHandlerCalls = 0; + + // Get singletons created + HttpRequest::createService(); + + // Start threading early so that thread memory is invariant + // over the test. + HttpRequest::startThread(); + + // create a new ref counted object with an implicit reference + HttpRequest * req1 = new HttpRequest(); + HttpRequest * req2 = new HttpRequest(); + ensure("Memory allocated on construction", mMemTotal < GetMemTotal()); + + // Issue some NoOps + HttpHandle handle = req1->requestNoOp(&handler1); + ensure("Valid handle returned for first request", handle != LLCORE_HTTP_HANDLE_INVALID); + handler1.mExpectHandle = handle; + + handle = req2->requestNoOp(&handler2); + ensure("Valid handle returned for first request", handle != LLCORE_HTTP_HANDLE_INVALID); + handler2.mExpectHandle = handle; + + // Run the notification pump. + int count(0); + int limit(20); + while (count++ < limit && mHandlerCalls < 2) + { + req1->update(1000); + req2->update(1000); + usleep(100000); + } + ensure("Request executed in reasonable time", count < limit); + ensure("One handler invocation for request", mHandlerCalls == 2); + + // Okay, request a shutdown of the servicing thread + handle = req2->requestStopThread(&handler2); + ensure("Valid handle returned for second request", handle != LLCORE_HTTP_HANDLE_INVALID); + handler2.mExpectHandle = handle; + + // Run the notification pump again + count = 0; + limit = 100; + while (count++ < limit && mHandlerCalls < 3) + { + req1->update(1000); + req2->update(1000); + usleep(100000); + } + ensure("Second request executed in reasonable time", count < limit); + ensure("Second handler invocation", mHandlerCalls == 3); + + // See that we actually shutdown the thread + count = 0; + limit = 10; + while (count++ < limit && ! HttpService::isStopped()) + { + usleep(100000); + } + ensure("Thread actually stopped running", HttpService::isStopped()); + + // release the request object + delete req1; + req1 = NULL; + delete req2; + req2 = NULL; + + // Shut down service + HttpRequest::destroyService(); + + // We have left over state so can't really say something + // definitive about memory usage at the end of this. + ensure("Two handler calls on the way out", 3 == mHandlerCalls); + // printf("Old mem: %d, New mem: %d\n", mMemTotal, GetMemTotal()); + ensure("Memory usage back to that at entry", mMemTotal == GetMemTotal()); +} + +template <> template <> +void HttpRequestTestObjectType::test<5>() +{ + set_test_name("HttpRequest GET + Stop execution"); + + // Handler can be stack-allocated *if* there are no dangling + // references to it after completion of this method. + // Create before memory record as the string copy will bump numbers. + TestHandler2 handler(this, "handler"); + + // record the total amount of dynamically allocated memory + mMemTotal = GetMemTotal(); + mHandlerCalls = 0; + + // Get singletons created + HttpRequest::createService(); + + // Start threading early so that thread memory is invariant + // over the test. + HttpRequest::startThread(); + + // create a new ref counted object with an implicit reference + HttpRequest * req = new HttpRequest(); + ensure("Memory allocated on construction", mMemTotal < GetMemTotal()); + + // Issue a GET that can't connect + mStatus = HttpStatus(HttpStatus::EXT_CURL_EASY, CURLE_COULDNT_CONNECT); + HttpHandle handle = req->requestGetByteRange(HttpRequest::DEFAULT_POLICY_ID, + 0.0f, + "http://localhost:2/nothing/here", + 0, + 0, + NULL, + NULL, + &handler); + ensure("Valid handle returned for ranged request", handle != LLCORE_HTTP_HANDLE_INVALID); + + // Run the notification pump. + int count(0); + int limit(20); + while (count++ < limit && mHandlerCalls < 1) + { + req->update(1000); + usleep(100000); + } + ensure("Request executed in reasonable time", count < limit); + ensure("One handler invocation for request", mHandlerCalls == 1); + + // Okay, request a shutdown of the servicing thread + mStatus = HttpStatus(); + handle = req->requestStopThread(&handler); + ensure("Valid handle returned for second request", handle != LLCORE_HTTP_HANDLE_INVALID); + + // Run the notification pump again + count = 0; + limit = 100; + while (count++ < limit && mHandlerCalls < 2) + { + req->update(1000); + usleep(100000); + } + ensure("Second request executed in reasonable time", count < limit); + ensure("Second handler invocation", mHandlerCalls == 2); + + // See that we actually shutdown the thread + count = 0; + limit = 10; + while (count++ < limit && ! HttpService::isStopped()) + { + usleep(100000); + } + ensure("Thread actually stopped running", HttpService::isStopped()); + + // release the request object + delete req; + req = NULL; + + // Shut down service + HttpRequest::destroyService(); + + // We have left over state so can't really say something + // definitive about memory usage at the end of this. + ensure("Two handler calls on the way out", 2 == mHandlerCalls); + // printf("Old mem: %d, New mem: %d\n", mMemTotal, GetMemTotal()); + ensure("Memory usage back to that at entry", mMemTotal == GetMemTotal()); +} + +} // end namespace tut + +namespace +{ + +#if defined(WIN32) + +void usleep(unsigned long usec) +{ + Sleep((DWORD) (usec / 1000UL)); +} + +#endif + +} + +#endif // TEST_LLCORE_HTTP_REQUEST_H_ diff --git a/indra/llcorehttp/tests/test_httprequestqueue.hpp b/indra/llcorehttp/tests/test_httprequestqueue.hpp new file mode 100644 index 0000000000..1de2d8f9ab --- /dev/null +++ b/indra/llcorehttp/tests/test_httprequestqueue.hpp @@ -0,0 +1,186 @@ +/** + * @file test_httprequestqueue.hpp + * @brief unit tests for the LLCore::HttpRequestQueue class + * + * $LicenseInfo:firstyear=2012&license=viewerlgpl$ + * Second Life Viewer Source Code + * Copyright (C) 2012, Linden Research, Inc. + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; + * version 2.1 of the License only. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + * + * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA + * $/LicenseInfo$ + */ +#ifndef TEST_LLCORE_HTTP_REQUESTQUEUE_H_ +#define TEST_LLCORE_HTTP_REQUESTQUEUE_H_ + +#include "_httprequestqueue.h" + +#include <iostream> + +#include "test_allocator.h" +#include "_httpoperation.h" + + +using namespace LLCoreInt; + + + +namespace tut +{ + +struct HttpRequestqueueTestData +{ + // the test objects inherit from this so the member functions and variables + // can be referenced directly inside of the test functions. + size_t mMemTotal; +}; + +typedef test_group<HttpRequestqueueTestData> HttpRequestqueueTestGroupType; +typedef HttpRequestqueueTestGroupType::object HttpRequestqueueTestObjectType; +HttpRequestqueueTestGroupType HttpRequestqueueTestGroup("HttpRequestqueue Tests"); + +template <> template <> +void HttpRequestqueueTestObjectType::test<1>() +{ + set_test_name("HttpRequestQueue construction"); + + // record the total amount of dynamically allocated memory + mMemTotal = GetMemTotal(); + + // create a new ref counted object with an implicit reference + HttpRequestQueue::init(); + + ensure("One ref on construction of HttpRequestQueue", HttpRequestQueue::instanceOf()->getRefCount() == 1); + ensure("Memory being used", mMemTotal < GetMemTotal()); + + // release the implicit reference, causing the object to be released + HttpRequestQueue::term(); + + // make sure we didn't leak any memory + ensure(mMemTotal == GetMemTotal()); +} + +template <> template <> +void HttpRequestqueueTestObjectType::test<2>() +{ + set_test_name("HttpRequestQueue refcount works"); + + // record the total amount of dynamically allocated memory + mMemTotal = GetMemTotal(); + + // create a new ref counted object with an implicit reference + HttpRequestQueue::init(); + + HttpRequestQueue * rq = HttpRequestQueue::instanceOf(); + rq->addRef(); + + // release the singleton, hold on to the object + HttpRequestQueue::term(); + + ensure("One ref after term() called", rq->getRefCount() == 1); + ensure("Memory being used", mMemTotal < GetMemTotal()); + + // Drop ref + rq->release(); + + // make sure we didn't leak any memory + ensure(mMemTotal == GetMemTotal()); +} + +template <> template <> +void HttpRequestqueueTestObjectType::test<3>() +{ + set_test_name("HttpRequestQueue addOp/fetchOp work"); + + // record the total amount of dynamically allocated memory + mMemTotal = GetMemTotal(); + + // create a new ref counted object with an implicit reference + HttpRequestQueue::init(); + + HttpRequestQueue * rq = HttpRequestQueue::instanceOf(); + + HttpOperation * op = new HttpOpNull(); + + rq->addOp(op); // transfer my refcount + + op = rq->fetchOp(true); // Potentially hangs the test on failure + ensure("One goes in, one comes out", NULL != op); + op->release(); + + op = rq->fetchOp(false); + ensure("Better not be two of them", NULL == op); + + // release the singleton, hold on to the object + HttpRequestQueue::term(); + + // make sure we didn't leak any memory + ensure(mMemTotal == GetMemTotal()); +} + +template <> template <> +void HttpRequestqueueTestObjectType::test<4>() +{ + set_test_name("HttpRequestQueue addOp/fetchAll work"); + + // record the total amount of dynamically allocated memory + mMemTotal = GetMemTotal(); + + // create a new ref counted object with an implicit reference + HttpRequestQueue::init(); + + HttpRequestQueue * rq = HttpRequestQueue::instanceOf(); + + HttpOperation * op = new HttpOpNull(); + rq->addOp(op); // transfer my refcount + + op = new HttpOpNull(); + rq->addOp(op); // transfer my refcount + + op = new HttpOpNull(); + rq->addOp(op); // transfer my refcount + + { + HttpRequestQueue::OpContainer ops; + rq->fetchAll(true, ops); // Potentially hangs the test on failure + ensure("Three go in, three come out", 3 == ops.size()); + + op = rq->fetchOp(false); + ensure("Better not be any more of them", NULL == op); + + // release the singleton, hold on to the object + HttpRequestQueue::term(); + + // We're still holding onto the ops. + ensure(mMemTotal < GetMemTotal()); + + // Release them + while (! ops.empty()) + { + HttpOperation * op = ops.front(); + ops.erase(ops.begin()); + op->release(); + } + } + + // Should be clean + ensure("All memory returned", mMemTotal == GetMemTotal()); +} + +} // end namespace tut + + +#endif // TEST_LLCORE_HTTP_REQUESTQUEUE_H_ diff --git a/indra/llcorehttp/tests/test_httpstatus.hpp b/indra/llcorehttp/tests/test_httpstatus.hpp new file mode 100644 index 0000000000..fa5803a17c --- /dev/null +++ b/indra/llcorehttp/tests/test_httpstatus.hpp @@ -0,0 +1,163 @@ +/** + * @file test_llrefcounted + * @brief unit tests for HttpStatus struct + * + * $LicenseInfo:firstyear=2012&license=viewerlgpl$ + * Second Life Viewer Source Code + * Copyright (C) 2012, Linden Research, Inc. + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; + * version 2.1 of the License only. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + * + * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA + * $/LicenseInfo$ + */ + +#ifndef TEST_HTTP_STATUS_H_ +#define TEST_HTTP_STATUS_H_ + +#include <core-http/httpcommon.h> + +#include <curl/curl.h> +#include <curl/multi.h> + +using namespace LLCore; + +namespace tut +{ + +struct HttpStatusTestData +{ + HttpStatusTestData() + {} +}; + +typedef test_group<HttpStatusTestData> HttpStatusTestGroupType; +typedef HttpStatusTestGroupType::object HttpStatusTestObjectType; + +HttpStatusTestGroupType HttpStatusTestGroup("HttpStatus Tests"); + +template <> template <> +void HttpStatusTestObjectType::test<1>() +{ + set_test_name("HttpStatus construction"); + + // auto allocation fine for this + HttpStatus status; + status.mType = HttpStatus::EXT_CURL_EASY; + status.mStatus = 0; + + ensure(bool(status)); + ensure(false == !(status)); + + status.mType = HttpStatus::EXT_CURL_MULTI; + status.mStatus = 0; + + ensure(bool(status)); + ensure(false == !(status)); + + status.mType = HttpStatus::LLCORE; + status.mStatus = HE_SUCCESS; + + ensure(bool(status)); + ensure(false == !(status)); + + status.mType = HttpStatus::EXT_CURL_MULTI; + status.mStatus = -1; + + ensure(false == bool(status)); + ensure(!(status)); + + status.mType = HttpStatus::EXT_CURL_EASY; + status.mStatus = CURLE_BAD_DOWNLOAD_RESUME; + + ensure(false == bool(status)); + ensure(!(status)); +} + + +template <> template <> +void HttpStatusTestObjectType::test<2>() +{ + set_test_name("HttpStatus memory structure"); + + // Require that an HttpStatus object can be trivially + // returned as a function return value in registers. + // One should fit in an int on all platforms. + + ensure(sizeof(HttpStatus) <= sizeof(int)); +} + + +template <> template <> +void HttpStatusTestObjectType::test<3>() +{ + set_test_name("HttpStatus valid error string conversion"); + + HttpStatus status; + status.mType = HttpStatus::EXT_CURL_EASY; + status.mStatus = 0; + std::string msg = status.toString(); + // std::cout << "Result: " << msg << std::endl; + ensure(msg.empty()); + + status.mType = HttpStatus::EXT_CURL_EASY; + status.mStatus = CURLE_BAD_FUNCTION_ARGUMENT; + msg = status.toString(); + // std::cout << "Result: " << msg << std::endl; + ensure(! msg.empty()); + + status.mType = HttpStatus::EXT_CURL_MULTI; + status.mStatus = CURLM_OUT_OF_MEMORY; + msg = status.toString(); + // std::cout << "Result: " << msg << std::endl; + ensure(! msg.empty()); + + status.mType = HttpStatus::LLCORE; + status.mStatus = HE_SHUTTING_DOWN; + msg = status.toString(); + // std::cout << "Result: " << msg << std::endl; + ensure(! msg.empty()); +} + + +template <> template <> +void HttpStatusTestObjectType::test<4>() +{ + set_test_name("HttpStatus invalid error string conversion"); + + HttpStatus status; + status.mType = HttpStatus::EXT_CURL_EASY; + status.mStatus = 32726; + std::string msg = status.toString(); + // std::cout << "Result: " << msg << std::endl; + ensure(! msg.empty()); + + status.mType = HttpStatus::EXT_CURL_MULTI; + status.mStatus = -470; + msg = status.toString(); + // std::cout << "Result: " << msg << std::endl; + ensure(! msg.empty()); + + status.mType = HttpStatus::LLCORE; + status.mStatus = 923; + msg = status.toString(); + // std::cout << "Result: " << msg << std::endl; + ensure(! msg.empty()); +} + +} // end namespace tut + +#endif // TEST_HTTP_STATUS_H + diff --git a/indra/llcorehttp/tests/test_refcounted.hpp b/indra/llcorehttp/tests/test_refcounted.hpp new file mode 100644 index 0000000000..6a17947288 --- /dev/null +++ b/indra/llcorehttp/tests/test_refcounted.hpp @@ -0,0 +1,156 @@ +/** + * @file test_refcounted.hpp + * @brief unit tests for the LLCoreInt::RefCounted class + * + * $LicenseInfo:firstyear=2012&license=viewerlgpl$ + * Second Life Viewer Source Code + * Copyright (C) 2012, Linden Research, Inc. + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; + * version 2.1 of the License only. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + * + * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA + * $/LicenseInfo$ + */ +#ifndef TEST_LLCOREINT_REF_COUNTED_H_ +#define TEST_LLCOREINT_REF_COUNTED_H_ + +#include <_refcounted.h> + +#include "test_allocator.h" + +using namespace LLCoreInt; + +namespace tut +{ + struct RefCountedTestData + { + // the test objects inherit from this so the member functions and variables + // can be referenced directly inside of the test functions. + size_t mMemTotal; + }; + + typedef test_group<RefCountedTestData> RefCountedTestGroupType; + typedef RefCountedTestGroupType::object RefCountedTestObjectType; + RefCountedTestGroupType RefCountedTestGroup("RefCounted Tests"); + + template <> template <> + void RefCountedTestObjectType::test<1>() + { + set_test_name("RefCounted construction with implicit count"); + + // record the total amount of dynamically allocated memory + mMemTotal = GetMemTotal(); + + // create a new ref counted object with an implicit reference + RefCounted * rc = new RefCounted(true); + ensure(rc->getRefCount() == 1); + + // release the implicit reference, causing the object to be released + rc->release(); + + // make sure we didn't leak any memory + ensure(mMemTotal == GetMemTotal()); + } + + template <> template <> + void RefCountedTestObjectType::test<2>() + { + set_test_name("RefCounted construction without implicit count"); + + // record the total amount of dynamically allocated memory + mMemTotal = GetMemTotal(); + + // create a new ref counted object with an implicit reference + RefCounted * rc = new RefCounted(false); + ensure(rc->getRefCount() == 0); + + // add a reference + rc->addRef(); + ensure(rc->getRefCount() == 1); + + // release the implicit reference, causing the object to be released + rc->release(); + + ensure(mMemTotal == GetMemTotal()); + } + + template <> template <> + void RefCountedTestObjectType::test<3>() + { + set_test_name("RefCounted addRef and release"); + + // record the total amount of dynamically allocated memory + mMemTotal = GetMemTotal(); + + RefCounted * rc = new RefCounted(false); + + for (int i = 0; i < 1024; ++i) + { + rc->addRef(); + } + + ensure(rc->getRefCount() == 1024); + + for (int i = 0; i < 1024; ++i) + { + rc->release(); + } + + // make sure we didn't leak any memory + ensure(mMemTotal == GetMemTotal()); + } + + template <> template <> + void RefCountedTestObjectType::test<4>() + { + set_test_name("RefCounted isLastRef check"); + + // record the total amount of dynamically allocated memory + mMemTotal = GetMemTotal(); + + RefCounted * rc = new RefCounted(true); + + // with only one reference, isLastRef should be true + ensure(rc->isLastRef()); + + // release it to clean up memory + rc->release(); + + // make sure we didn't leak any memory + ensure(mMemTotal == GetMemTotal()); + } + + template <> template <> + void RefCountedTestObjectType::test<5>() + { + set_test_name("RefCounted noRef check"); + + // record the total amount of dynamically allocated memory + mMemTotal = GetMemTotal(); + + RefCounted * rc = new RefCounted(false); + + // set the noRef + rc->noRef(); + + // with only one reference, isLastRef should be true + ensure(rc->getRefCount() == RefCounted::NOT_REF_COUNTED); + + // allow this memory leak, but check that we're leaking a known amount + ensure(mMemTotal == (GetMemTotal() - sizeof(RefCounted))); + } +} + +#endif // TEST_LLCOREINT_REF_COUNTED_H_ |