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-rw-r--r--indra/llmessage/llcurl.cpp198
1 files changed, 174 insertions, 24 deletions
diff --git a/indra/llmessage/llcurl.cpp b/indra/llmessage/llcurl.cpp
index a485fa0160..2b9bfff536 100644
--- a/indra/llmessage/llcurl.cpp
+++ b/indra/llmessage/llcurl.cpp
@@ -49,6 +49,7 @@
#include "llstl.h"
#include "llsdserialize.h"
#include "llthread.h"
+#include "lltimer.h"
//////////////////////////////////////////////////////////////////////////////
/*
@@ -84,6 +85,26 @@ std::vector<LLMutex*> LLCurl::sSSLMutex;
std::string LLCurl::sCAPath;
std::string LLCurl::sCAFile;
+void check_curl_code(CURLcode code)
+{
+ if (code != CURLE_OK)
+ {
+ // linux appears to throw a curl error once per session for a bad initialization
+ // at a pretty random time (when enabling cookies).
+ llinfos << "curl error detected: " << curl_easy_strerror(code) << llendl;
+ }
+}
+
+void check_curl_multi_code(CURLMcode code)
+{
+ if (code != CURLM_OK)
+ {
+ // linux appears to throw a curl error once per session for a bad initialization
+ // at a pretty random time (when enabling cookies).
+ llinfos << "curl multi error detected: " << curl_multi_strerror(code) << llendl;
+ }
+}
+
//static
void LLCurl::setCAPath(const std::string& path)
{
@@ -234,7 +255,12 @@ public:
void resetState();
+ static CURL* allocEasyHandle();
+ static void releaseEasyHandle(CURL* handle);
+
private:
+ friend class LLCurl;
+
CURL* mCurlEasyHandle;
struct curl_slist* mHeaders;
@@ -249,8 +275,62 @@ private:
std::vector<char*> mStrings;
ResponderPtr mResponder;
+
+ static std::set<CURL*> sFreeHandles;
+ static std::set<CURL*> sActiveHandles;
+ static LLMutex* sHandleMutex;
};
+std::set<CURL*> LLCurl::Easy::sFreeHandles;
+std::set<CURL*> LLCurl::Easy::sActiveHandles;
+LLMutex* LLCurl::Easy::sHandleMutex = NULL;
+
+
+//static
+CURL* LLCurl::Easy::allocEasyHandle()
+{
+ CURL* ret = NULL;
+ LLMutexLock lock(sHandleMutex);
+ if (sFreeHandles.empty())
+ {
+ ret = curl_easy_init();
+ }
+ else
+ {
+ ret = *(sFreeHandles.begin());
+ sFreeHandles.erase(ret);
+ curl_easy_reset(ret);
+ }
+
+ if (ret)
+ {
+ sActiveHandles.insert(ret);
+ }
+
+ return ret;
+}
+
+//static
+void LLCurl::Easy::releaseEasyHandle(CURL* handle)
+{
+ if (!handle)
+ {
+ llerrs << "handle cannot be NULL!" << llendl;
+ }
+
+ LLMutexLock lock(sHandleMutex);
+
+ if (sActiveHandles.find(handle) != sActiveHandles.end())
+ {
+ sActiveHandles.erase(handle);
+ sFreeHandles.insert(handle);
+ }
+ else
+ {
+ llerrs << "Invalid handle." << llendl;
+ }
+}
+
LLCurl::Easy::Easy()
: mHeaders(NULL),
mCurlEasyHandle(NULL)
@@ -261,25 +341,28 @@ LLCurl::Easy::Easy()
LLCurl::Easy* LLCurl::Easy::getEasy()
{
Easy* easy = new Easy();
- easy->mCurlEasyHandle = curl_easy_init();
+ easy->mCurlEasyHandle = allocEasyHandle();
+
if (!easy->mCurlEasyHandle)
{
// this can happen if we have too many open files (fails in c-ares/ares_init.c)
- llwarns << "curl_multi_init() returned NULL! Easy handles: " << gCurlEasyCount << " Multi handles: " << gCurlMultiCount << llendl;
+ llwarns << "allocEasyHandle() returned NULL! Easy handles: " << gCurlEasyCount << " Multi handles: " << gCurlMultiCount << llendl;
delete easy;
return NULL;
}
- // set no DMS caching as default for all easy handles. This prevents them adopting a
+ // set no DNS caching as default for all easy handles. This prevents them adopting a
// multi handles cache if they are added to one.
- curl_easy_setopt(easy->mCurlEasyHandle, CURLOPT_DNS_CACHE_TIMEOUT, 0);
+ CURLcode result = curl_easy_setopt(easy->mCurlEasyHandle, CURLOPT_DNS_CACHE_TIMEOUT, 0);
+ check_curl_code(result);
+
++gCurlEasyCount;
return easy;
}
LLCurl::Easy::~Easy()
{
- curl_easy_cleanup(mCurlEasyHandle);
+ releaseEasyHandle(mCurlEasyHandle);
--gCurlEasyCount;
curl_slist_free_all(mHeaders);
for_each(mStrings.begin(), mStrings.end(), DeletePointerArray());
@@ -338,9 +421,9 @@ void LLCurl::Easy::setHeaders()
void LLCurl::Easy::getTransferInfo(LLCurl::TransferInfo* info)
{
- curl_easy_getinfo(mCurlEasyHandle, CURLINFO_SIZE_DOWNLOAD, &info->mSizeDownload);
- curl_easy_getinfo(mCurlEasyHandle, CURLINFO_TOTAL_TIME, &info->mTotalTime);
- curl_easy_getinfo(mCurlEasyHandle, CURLINFO_SPEED_DOWNLOAD, &info->mSpeedDownload);
+ check_curl_code(curl_easy_getinfo(mCurlEasyHandle, CURLINFO_SIZE_DOWNLOAD, &info->mSizeDownload));
+ check_curl_code(curl_easy_getinfo(mCurlEasyHandle, CURLINFO_TOTAL_TIME, &info->mTotalTime));
+ check_curl_code(curl_easy_getinfo(mCurlEasyHandle, CURLINFO_SPEED_DOWNLOAD, &info->mSpeedDownload));
}
U32 LLCurl::Easy::report(CURLcode code)
@@ -350,13 +433,14 @@ U32 LLCurl::Easy::report(CURLcode code)
if (code == CURLE_OK)
{
- curl_easy_getinfo(mCurlEasyHandle, CURLINFO_RESPONSE_CODE, &responseCode);
+ check_curl_code(curl_easy_getinfo(mCurlEasyHandle, CURLINFO_RESPONSE_CODE, &responseCode));
//*TODO: get reason from first line of mHeaderOutput
}
else
{
responseCode = 499;
responseReason = strerror(code) + " : " + mErrorBuffer;
+ setopt(CURLOPT_FRESH_CONNECT, TRUE);
}
if (mResponder)
@@ -372,17 +456,20 @@ U32 LLCurl::Easy::report(CURLcode code)
// Note: these all assume the caller tracks the value (i.e. keeps it persistant)
void LLCurl::Easy::setopt(CURLoption option, S32 value)
{
- curl_easy_setopt(mCurlEasyHandle, option, value);
+ CURLcode result = curl_easy_setopt(mCurlEasyHandle, option, value);
+ check_curl_code(result);
}
void LLCurl::Easy::setopt(CURLoption option, void* value)
{
- curl_easy_setopt(mCurlEasyHandle, option, value);
+ CURLcode result = curl_easy_setopt(mCurlEasyHandle, option, value);
+ check_curl_code(result);
}
void LLCurl::Easy::setopt(CURLoption option, char* value)
{
- curl_easy_setopt(mCurlEasyHandle, option, value);
+ CURLcode result = curl_easy_setopt(mCurlEasyHandle, option, value);
+ check_curl_code(result);
}
// Note: this copies the string so that the caller does not have to keep it around
@@ -391,7 +478,8 @@ void LLCurl::Easy::setoptString(CURLoption option, const std::string& value)
char* tstring = new char[value.length()+1];
strcpy(tstring, value.c_str());
mStrings.push_back(tstring);
- curl_easy_setopt(mCurlEasyHandle, option, tstring);
+ CURLcode result = curl_easy_setopt(mCurlEasyHandle, option, tstring);
+ check_curl_code(result);
}
void LLCurl::Easy::slist_append(const char* str)
@@ -443,7 +531,7 @@ void LLCurl::Easy::prepRequest(const std::string& url,
if (post) setoptString(CURLOPT_ENCODING, "");
-// setopt(CURLOPT_VERBOSE, 1); // usefull for debugging
+ //setopt(CURLOPT_VERBOSE, 1); // usefull for debugging
setopt(CURLOPT_NOSIGNAL, 1);
mOutput.reset(new LLBufferArray);
@@ -467,6 +555,9 @@ void LLCurl::Easy::prepRequest(const std::string& url,
setCA();
setopt(CURLOPT_SSL_VERIFYPEER, true);
+
+ //don't verify host name so urls with scrubbed host names will work (improves DNS performance)
+ setopt(CURLOPT_SSL_VERIFYHOST, 0);
setopt(CURLOPT_TIMEOUT, CURL_REQUEST_TIMEOUT);
setoptString(CURLOPT_URL, url);
@@ -532,6 +623,7 @@ LLCurl::Multi::Multi()
llwarns << "curl_multi_init() returned NULL! Easy handles: " << gCurlEasyCount << " Multi handles: " << gCurlMultiCount << llendl;
mCurlMultiHandle = curl_multi_init();
}
+
llassert_always(mCurlMultiHandle);
++gCurlMultiCount;
}
@@ -543,7 +635,7 @@ LLCurl::Multi::~Multi()
iter != mEasyActiveList.end(); ++iter)
{
Easy* easy = *iter;
- curl_multi_remove_handle(mCurlMultiHandle, easy->getCurlHandle());
+ check_curl_multi_code(curl_multi_remove_handle(mCurlMultiHandle, easy->getCurlHandle()));
delete easy;
}
mEasyActiveList.clear();
@@ -553,7 +645,7 @@ LLCurl::Multi::~Multi()
for_each(mEasyFreeList.begin(), mEasyFreeList.end(), DeletePointer());
mEasyFreeList.clear();
- curl_multi_cleanup(mCurlMultiHandle);
+ check_curl_multi_code(curl_multi_cleanup(mCurlMultiHandle));
--gCurlMultiCount;
}
@@ -574,8 +666,10 @@ S32 LLCurl::Multi::perform()
CURLMcode code = curl_multi_perform(mCurlMultiHandle, &q);
if (CURLM_CALL_MULTI_PERFORM != code || q == 0)
{
+ check_curl_multi_code(code);
break;
}
+
}
mQueued = q;
return q;
@@ -642,11 +736,12 @@ LLCurl::Easy* LLCurl::Multi::allocEasy()
bool LLCurl::Multi::addEasy(Easy* easy)
{
CURLMcode mcode = curl_multi_add_handle(mCurlMultiHandle, easy->getCurlHandle());
- if (mcode != CURLM_OK)
- {
- llwarns << "Curl Error: " << curl_multi_strerror(mcode) << llendl;
- return false;
- }
+ check_curl_multi_code(mcode);
+ //if (mcode != CURLM_OK)
+ //{
+ // llwarns << "Curl Error: " << curl_multi_strerror(mcode) << llendl;
+ // return false;
+ //}
return true;
}
@@ -667,7 +762,7 @@ void LLCurl::Multi::easyFree(Easy* easy)
void LLCurl::Multi::removeEasy(Easy* easy)
{
- curl_multi_remove_handle(mCurlMultiHandle, easy->getCurlHandle());
+ check_curl_multi_code(curl_multi_remove_handle(mCurlMultiHandle, easy->getCurlHandle()));
easyFree(easy);
}
@@ -694,6 +789,7 @@ LLCurlRequest::LLCurlRequest() :
mActiveRequestCount(0)
{
mThreadID = LLThread::currentID();
+ mProcessing = FALSE;
}
LLCurlRequest::~LLCurlRequest()
@@ -728,6 +824,11 @@ LLCurl::Easy* LLCurlRequest::allocEasy()
bool LLCurlRequest::addEasy(LLCurl::Easy* easy)
{
llassert_always(mActiveMulti);
+
+ if (mProcessing)
+ {
+ llerrs << "Posting to a LLCurlRequest instance from within a responder is not allowed (causes DNS timeouts)." << llendl;
+ }
bool res = mActiveMulti->addEasy(easy);
return res;
}
@@ -785,12 +886,41 @@ bool LLCurlRequest::post(const std::string& url,
bool res = addEasy(easy);
return res;
}
+
+bool LLCurlRequest::post(const std::string& url,
+ const headers_t& headers,
+ const std::string& data,
+ LLCurl::ResponderPtr responder)
+{
+ LLCurl::Easy* easy = allocEasy();
+ if (!easy)
+ {
+ return false;
+ }
+ easy->prepRequest(url, headers, responder);
+
+ easy->getInput().write(data.data(), data.size());
+ S32 bytes = easy->getInput().str().length();
+ easy->setopt(CURLOPT_POST, 1);
+ easy->setopt(CURLOPT_POSTFIELDS, (void*)NULL);
+ easy->setopt(CURLOPT_POSTFIELDSIZE, bytes);
+
+ easy->slist_append("Content-Type: application/octet-stream");
+ easy->setHeaders();
+
+ lldebugs << "POSTING: " << bytes << " bytes." << llendl;
+ bool res = addEasy(easy);
+ return res;
+}
+
// Note: call once per frame
S32 LLCurlRequest::process()
{
llassert_always(mThreadID == LLThread::currentID());
S32 res = 0;
+
+ mProcessing = TRUE;
for (curlmulti_set_t::iterator iter = mMultiSet.begin();
iter != mMultiSet.end(); )
{
@@ -804,6 +934,7 @@ S32 LLCurlRequest::process()
delete multi;
}
}
+ mProcessing = FALSE;
return res;
}
@@ -1033,8 +1164,12 @@ void LLCurl::initClass()
// Do not change this "unless you are familiar with and mean to control
// internal operations of libcurl"
// - http://curl.haxx.se/libcurl/c/curl_global_init.html
- curl_global_init(CURL_GLOBAL_ALL);
+ CURLcode code = curl_global_init(CURL_GLOBAL_ALL);
+
+ check_curl_code(code);
+ Easy::sHandleMutex = new LLMutex(NULL);
+
#if SAFE_SSL
S32 mutex_count = CRYPTO_num_locks();
for (S32 i=0; i<mutex_count; i++)
@@ -1052,7 +1187,22 @@ void LLCurl::cleanupClass()
CRYPTO_set_locking_callback(NULL);
for_each(sSSLMutex.begin(), sSSLMutex.end(), DeletePointer());
#endif
- curl_global_cleanup();
+
+ delete Easy::sHandleMutex;
+ Easy::sHandleMutex = NULL;
+
+ for (std::set<CURL*>::iterator iter = Easy::sFreeHandles.begin(); iter != Easy::sFreeHandles.end(); ++iter)
+ {
+ CURL* curl = *iter;
+ curl_easy_cleanup(curl);
+ }
+
+ Easy::sFreeHandles.clear();
+
+ if (!Easy::sActiveHandles.empty())
+ {
+ llerrs << "CURL easy handles not cleaned up on shutdown!" << llendl;
+ }
}
const unsigned int LLCurl::MAX_REDIRECTS = 5;
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-22 05:34:56 +0000