diff options
Diffstat (limited to 'indra/llcorehttp/examples')
-rw-r--r-- | indra/llcorehttp/examples/http_texture_load.cpp | 924 |
1 files changed, 924 insertions, 0 deletions
diff --git a/indra/llcorehttp/examples/http_texture_load.cpp b/indra/llcorehttp/examples/http_texture_load.cpp new file mode 100644 index 0000000000..7efdf53959 --- /dev/null +++ b/indra/llcorehttp/examples/http_texture_load.cpp @@ -0,0 +1,924 @@ +/** + * @file http_texture_load.cpp + * @brief Texture download example for core-http library + * + * $LicenseInfo:firstyear=2012&license=viewerlgpl$ + * 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 <cstdio> +#include <cstdlib> +#include <set> +#include <map> +#if !defined(WIN32) +#include <pthread.h> +#endif + +#include "linden_common.h" + +#include "httpcommon.h" +#include "httprequest.h" +#include "httphandler.h" +#include "httpresponse.h" +#include "bufferarray.h" +#include "_mutex.h" + +#include <curl/curl.h> +#include <openssl/crypto.h> + +#include "lltimer.h" + + +void init_curl(); +void term_curl(); +unsigned long ssl_thread_id_callback(void); +void ssl_locking_callback(int mode, int type, const char * file, int line); +void usage(std::ostream & out); + +// Default command line settings +static int concurrency_limit(40); +static char url_format[1024] = "http://example.com/some/path?texture_id=%s.texture"; + +#if defined(WIN32) + +#define strncpy(_a, _b, _c) strncpy_s(_a, _b, _c) +#define strtok_r(_a, _b, _c) strtok_s(_a, _b, _c) + +int getopt(int argc, char * const argv[], const char *optstring); +char *optarg(NULL); +int optind(1); + +#endif + + +// Mostly just a container for the texture IDs and fetch +// parameters.... +class WorkingSet : public LLCore::HttpHandler +{ +public: + WorkingSet(); + + bool reload(LLCore::HttpRequest *); + + virtual void onCompleted(LLCore::HttpHandle handle, LLCore::HttpResponse * response); + + void loadTextureUuids(FILE * in); + +public: + struct Spec + { + std::string mUuid; + int mOffset; + int mLength; + }; + typedef std::set<LLCore::HttpHandle> handle_set_t; + typedef std::vector<Spec> texture_list_t; + +public: + bool mVerbose; + bool mRandomRange; + int mMaxConcurrency; + handle_set_t mHandles; + int mRemaining; + int mLimit; + int mAt; + std::string mUrl; + texture_list_t mTextures; + int mErrorsApi; + int mErrorsHttp; + int mErrorsHttp404; + int mErrorsHttp416; + int mErrorsHttp500; + int mErrorsHttp503; + int mSuccesses; + long mByteCount; +}; + + +// Gather process information while we run. Process +// size, cpu consumed, wallclock time. + +class Metrics +{ +public: + class MetricsImpl; + +public: + Metrics(); + ~Metrics(); + + void init(); + void sample(); + void term(); + +protected: + MetricsImpl * mImpl; + +public: + U64 mMaxVSZ; + U64 mMinVSZ; + U64 mStartWallTime; + U64 mEndWallTime; + U64 mStartUTime; + U64 mEndUTime; + U64 mStartSTime; + U64 mEndSTime; +}; + + +// +// +// +int main(int argc, char** argv) +{ + bool do_random(false); + bool do_verbose(false); + + int option(-1); + while (-1 != (option = getopt(argc, argv, "u:c:h?Rv"))) + { + switch (option) + { + case 'u': + strncpy(url_format, optarg, sizeof(url_format)); + url_format[sizeof(url_format) - 1] = '\0'; + break; + + case 'c': + { + unsigned long value; + char * end; + + value = strtoul(optarg, &end, 10); + if (value < 1 || value > 100 || *end != '\0') + { + usage(std::cerr); + return 1; + } + concurrency_limit = value; + } + break; + + case 'R': + do_random = true; + break; + + case 'v': + do_verbose = true; + break; + + case 'h': + case '?': + usage(std::cout); + return 0; + } + } + + if ((optind + 1) != argc) + { + usage(std::cerr); + return 1; + } + + FILE * uuids(fopen(argv[optind], "r")); + if (! uuids) + { + const char * errstr(strerror(errno)); + + std::cerr << "Couldn't open UUID file '" << argv[optind] << "'. Reason: " + << errstr << std::endl; + return 1; + } + + // Initialization + init_curl(); + LLCore::HttpRequest::createService(); + LLCore::HttpRequest::startThread(); + + // Get service point + LLCore::HttpRequest * hr = new LLCore::HttpRequest(); + + // Get a handler/working set + WorkingSet ws; + + // Fill the working set with work + ws.mUrl = url_format; + ws.loadTextureUuids(uuids); + ws.mRandomRange = do_random; + ws.mVerbose = do_verbose; + ws.mMaxConcurrency = concurrency_limit; + + if (! ws.mTextures.size()) + { + std::cerr << "No UUIDs found in file '" << argv[optind] << "'." << std::endl; + return 1; + } + + // Setup metrics + Metrics metrics; + metrics.init(); + + // Run it + int passes(0); + while (! ws.reload(hr)) + { + hr->update(5000); + ms_sleep(2); + if (0 == (++passes % 200)) + { + metrics.sample(); + } + } + metrics.sample(); + metrics.term(); + + // Report + std::cout << "HTTP errors: " << ws.mErrorsHttp << " API errors: " << ws.mErrorsApi + << " Successes: " << ws.mSuccesses << " Byte count: " << ws.mByteCount + << std::endl; + std::cout << "HTTP 404 errors: " << ws.mErrorsHttp404 << " HTTP 416 errors: " << ws.mErrorsHttp416 + << " HTTP 500 errors: " << ws.mErrorsHttp500 << " HTTP 503 errors: " << ws.mErrorsHttp503 + << std::endl; + std::cout << "User CPU: " << (metrics.mEndUTime - metrics.mStartUTime) + << " uS System CPU: " << (metrics.mEndSTime - metrics.mStartSTime) + << " uS Wall Time: " << (metrics.mEndWallTime - metrics.mStartWallTime) + << " uS Maximum VSZ: " << metrics.mMaxVSZ + << " Bytes Minimum VSZ: " << metrics.mMinVSZ << " Bytes" + << std::endl; + + // Clean up + delete hr; + term_curl(); + + return 0; +} + + +void usage(std::ostream & out) +{ + out << "\n" + "usage:\thttp_texture_load [options] uuid_file\n" + "\n" + "This is a standalone program to drive the New Platform HTTP Library.\n" + "The program is supplied with a file of texture UUIDs, one per line\n" + "These are fetched sequentially using a pool of concurrent connection\n" + "until all are fetched. The default URL format is only useful from\n" + "within Linden Lab but this can be overriden with a printf-style\n" + "URL formatting string on the command line.\n" + "\n" + "Options:\n" + "\n" + " -u <url_format> printf-style format string for URL generation\n" + " Default: " << url_format << "\n" + " -R Issue GETs with random Range: headers\n" + " -c <limit> Maximum request concurrency. Range: [1..100]\n" + " Default: " << concurrency_limit << "\n" + " -v Verbose mode. Issue some chatter while running\n" + " -h print this help\n" + "\n" + << std::endl; +} + + +WorkingSet::WorkingSet() + : LLCore::HttpHandler(), + mVerbose(false), + mRandomRange(false), + mRemaining(200), + mLimit(200), + mAt(0), + mErrorsApi(0), + mErrorsHttp(0), + mErrorsHttp404(0), + mErrorsHttp416(0), + mErrorsHttp500(0), + mErrorsHttp503(0), + mSuccesses(0), + mByteCount(0L) +{ + mTextures.reserve(30000); +} + + +bool WorkingSet::reload(LLCore::HttpRequest * hr) +{ + int to_do((std::min)(mRemaining, mMaxConcurrency - int(mHandles.size()))); + + for (int i(0); i < to_do; ++i) + { + char buffer[1024]; +#if defined(WIN32) + _snprintf_s(buffer, sizeof(buffer), sizeof(buffer) - 1, mUrl.c_str(), mTextures[mAt].mUuid.c_str()); +#else + snprintf(buffer, sizeof(buffer), mUrl.c_str(), mTextures[mAt].mUuid.c_str()); +#endif + int offset(mRandomRange ? ((unsigned long) rand()) % 1000000UL : mTextures[mAt].mOffset); + int length(mRandomRange ? ((unsigned long) rand()) % 1000000UL : mTextures[mAt].mLength); + + LLCore::HttpHandle handle; + if (offset || length) + { + handle = hr->requestGetByteRange(0, 0, buffer, offset, length, NULL, NULL, this); + } + else + { + handle = hr->requestGet(0, 0, buffer, NULL, NULL, this); + } + if (! handle) + { + // Fatal. Couldn't queue up something. + std::cerr << "Failed to queue work to HTTP Service. Reason: " + << hr->getStatus().toString() << std::endl; + exit(1); + } + else + { + mHandles.insert(handle); + } + mAt++; + mRemaining--; + + if (mVerbose) + { + static int count(0); + ++count; + if (0 == (count %5)) + std::cout << "Queued " << count << std::endl; + } + } + + // Are we done? + return (! mRemaining) && mHandles.empty(); +} + + +void WorkingSet::onCompleted(LLCore::HttpHandle handle, LLCore::HttpResponse * response) +{ + handle_set_t::iterator it(mHandles.find(handle)); + if (mHandles.end() == it) + { + // Wha? + std::cerr << "Failed to find handle in request list. Fatal." << std::endl; + exit(1); + } + else + { + LLCore::HttpStatus status(response->getStatus()); + if (status) + { + // More success + LLCore::BufferArray * data(response->getBody()); + mByteCount += data->size(); + ++mSuccesses; + } + else + { + // Something in this library or libcurl + if (status.isHttpStatus()) + { + static const LLCore::HttpStatus hs404(404); + static const LLCore::HttpStatus hs416(416); + static const LLCore::HttpStatus hs500(500); + static const LLCore::HttpStatus hs503(503); + + ++mErrorsHttp; + if (hs404 == status) + { + ++mErrorsHttp404; + } + else if (hs416 == status) + { + ++mErrorsHttp416; + } + else if (hs500 == status) + { + ++mErrorsHttp500; + } + else if (hs503 == status) + { + ++mErrorsHttp503; + } + } + else + { + ++mErrorsApi; + } + } + mHandles.erase(it); + } + + if (mVerbose) + { + static int count(0); + ++count; + if (0 == (count %5)) + std::cout << "Handled " << count << std::endl; + } +} + + +void WorkingSet::loadTextureUuids(FILE * in) +{ + char buffer[1024]; + + while (fgets(buffer, sizeof(buffer), in)) + { + WorkingSet::Spec texture; + char * state(NULL); + char * token = strtok_r(buffer, " \t\n,", &state); + if (token && 36 == strlen(token)) + { + // Close enough for this function + texture.mUuid = token; + texture.mOffset = 0; + texture.mLength = 0; + token = strtok_r(buffer, " \t\n,", &state); + if (token) + { + int offset(atoi(token)); + token = strtok_r(buffer, " \t\n,", &state); + if (token) + { + int length(atoi(token)); + texture.mOffset = offset; + texture.mLength = length; + } + } + mTextures.push_back(texture); + } + } + mRemaining = mLimit = mTextures.size(); +} + + +int ssl_mutex_count(0); +LLCoreInt::HttpMutex ** ssl_mutex_list = NULL; + +void init_curl() +{ + curl_global_init(CURL_GLOBAL_ALL); + + ssl_mutex_count = CRYPTO_num_locks(); + if (ssl_mutex_count > 0) + { + ssl_mutex_list = new LLCoreInt::HttpMutex * [ssl_mutex_count]; + + for (int i(0); i < ssl_mutex_count; ++i) + { + ssl_mutex_list[i] = new LLCoreInt::HttpMutex; + } + + CRYPTO_set_locking_callback(ssl_locking_callback); + CRYPTO_set_id_callback(ssl_thread_id_callback); + } +} + + +void term_curl() +{ + CRYPTO_set_locking_callback(NULL); + for (int i(0); i < ssl_mutex_count; ++i) + { + delete ssl_mutex_list[i]; + } + delete [] ssl_mutex_list; +} + + +unsigned long ssl_thread_id_callback(void) +{ +#if defined(WIN32) + return (unsigned long) GetCurrentThread(); +#else + return (unsigned long) pthread_self(); +#endif +} + + +void ssl_locking_callback(int mode, int type, const char * /* file */, int /* line */) +{ + if (type >= 0 && type < ssl_mutex_count) + { + if (mode & CRYPTO_LOCK) + { + ssl_mutex_list[type]->lock(); + } + else + { + ssl_mutex_list[type]->unlock(); + } + } +} + + +#if defined(WIN32) + +// Very much a subset of posix functionality. Don't push +// it too hard... +int getopt(int argc, char * const argv[], const char *optstring) +{ + static int pos(0); + while (optind < argc) + { + if (pos == 0) + { + if (argv[optind][0] != '-') + return -1; + pos = 1; + } + if (! argv[optind][pos]) + { + ++optind; + pos = 0; + continue; + } + const char * thing(strchr(optstring, argv[optind][pos])); + if (! thing) + { + ++optind; + return -1; + } + if (thing[1] == ':') + { + optarg = argv[++optind]; + ++optind; + pos = 0; + } + else + { + optarg = NULL; + ++pos; + } + return *thing; + } + return -1; +} + +#endif + + + +#if LL_WINDOWS + +#define PSAPI_VERSION 1 +#include "windows.h" +#include "psapi.h" + +class Metrics::MetricsImpl +{ +public: + MetricsImpl() + {} + + ~MetricsImpl() + {} + + void init(Metrics * metrics) + { + HANDLE self(GetCurrentProcess()); // Does not have to be closed + FILETIME ft_dummy, ft_system, ft_user; + GetProcessTimes(self, &ft_dummy, &ft_dummy, &ft_system, &ft_user); + ULARGE_INTEGER uli; + uli.u.LowPart = ft_system.dwLowDateTime; + uli.u.HighPart = ft_system.dwHighDateTime; + metrics->mStartSTime = uli.QuadPart / U64L(10); // Convert to uS + uli.u.LowPart = ft_user.dwLowDateTime; + uli.u.HighPart = ft_user.dwHighDateTime; + metrics->mStartUTime = uli.QuadPart / U64L(10); + metrics->mStartWallTime = totalTime(); + } + + void sample(Metrics * metrics) + { + PROCESS_MEMORY_COUNTERS_EX counters; + + GetProcessMemoryInfo(GetCurrentProcess(), + (PROCESS_MEMORY_COUNTERS *) &counters, + sizeof(counters)); + // Okay, PrivateUsage isn't truly VSZ but it will be + // a good tracker for leaks and fragmentation. Work on + // a better estimator later... + SIZE_T vsz(counters.PrivateUsage); + metrics->mMaxVSZ = (std::max)(metrics->mMaxVSZ, U64(vsz)); + metrics->mMinVSZ = (std::min)(metrics->mMinVSZ, U64(vsz)); + } + + void term(Metrics * metrics) + { + HANDLE self(GetCurrentProcess()); // Does not have to be closed + FILETIME ft_dummy, ft_system, ft_user; + GetProcessTimes(self, &ft_dummy, &ft_dummy, &ft_system, &ft_user); + ULARGE_INTEGER uli; + uli.u.LowPart = ft_system.dwLowDateTime; + uli.u.HighPart = ft_system.dwHighDateTime; + metrics->mEndSTime = uli.QuadPart / U64L(10); + uli.u.LowPart = ft_user.dwLowDateTime; + uli.u.HighPart = ft_user.dwHighDateTime; + metrics->mEndUTime = uli.QuadPart / U64L(10); + metrics->mEndWallTime = totalTime(); + } + +protected: +}; + +#elif LL_DARWIN + +#include <sys/resource.h> +#include <mach/mach.h> + +class Metrics::MetricsImpl +{ +public: + MetricsImpl() + {} + + ~MetricsImpl() + {} + + void init(Metrics * metrics) + { + U64 utime, stime; + + if (getTimes(&utime, &stime)) + { + metrics->mStartSTime = stime; + metrics->mStartUTime = utime; + } + metrics->mStartWallTime = totalTime(); + sample(metrics); + } + + void sample(Metrics * metrics) + { + U64 vsz; + + if (getVM(&vsz)) + { + metrics->mMaxVSZ = (std::max)(metrics->mMaxVSZ, vsz); + metrics->mMinVSZ = (std::min)(metrics->mMinVSZ, vsz); + } + } + + void term(Metrics * metrics) + { + U64 utime, stime; + + if (getTimes(&utime, &stime)) + { + metrics->mEndSTime = stime; + metrics->mEndUTime = utime; + } + metrics->mEndWallTime = totalTime(); + } + +protected: + bool getVM(U64 * vsz) + { + task_basic_info task_info_block; + mach_msg_type_number_t task_info_count(TASK_BASIC_INFO_COUNT); + + if (KERN_SUCCESS != task_info(mach_task_self(), + TASK_BASIC_INFO, + (task_info_t) &task_info_block, + &task_info_count)) + { + return false; + } + * vsz = task_info_block.virtual_size; + return true; + } + + bool getTimes(U64 * utime, U64 * stime) + { + struct rusage usage; + + if (getrusage(RUSAGE_SELF, &usage)) + { + return false; + } + * utime = U64(usage.ru_utime.tv_sec) * U64L(1000000) + usage.ru_utime.tv_usec; + * stime = U64(usage.ru_stime.tv_sec) * U64L(1000000) + usage.ru_stime.tv_usec; + return true; + } + +}; + +#else + +class Metrics::MetricsImpl +{ +public: + MetricsImpl() + : mProcFS(NULL), + mUsecsPerTick(U64L(0)) + {} + + + ~MetricsImpl() + { + if (mProcFS) + { + fclose(mProcFS); + mProcFS = NULL; + } + } + + void init(Metrics * metrics) + { + if (! mProcFS) + { + mProcFS = fopen("/proc/self/stat", "r"); + if (! mProcFS) + { + const int errnum(errno); + LL_ERRS("Main") << "Error opening proc fs: " << strerror(errnum) << LL_ENDL; + } + } + + long ticks_per_sec(sysconf(_SC_CLK_TCK)); + mUsecsPerTick = U64L(1000000) / ticks_per_sec; + U64 usecs_per_sec(mUsecsPerTick * ticks_per_sec); + if (900000 > usecs_per_sec || 1100000 < usecs_per_sec) + { + LL_ERRS("Main") << "Resolution problems using uSecs for ticks" << LL_ENDL; + } + + U64 utime, stime; + if (scanProcFS(&utime, &stime, NULL)) + { + metrics->mStartSTime = stime; + metrics->mStartUTime = utime; + } + metrics->mStartWallTime = totalTime(); + + sample(metrics); + } + + + void sample(Metrics * metrics) + { + U64 vsz; + if (scanProcFS(NULL, NULL, &vsz)) + { + metrics->mMaxVSZ = (std::max)(metrics->mMaxVSZ, vsz); + metrics->mMinVSZ = (std::min)(metrics->mMinVSZ, vsz); + } + } + + + void term(Metrics * metrics) + { + U64 utime, stime; + if (scanProcFS(&utime, &stime, NULL)) + { + metrics->mEndSTime = stime; + metrics->mEndUTime = utime; + } + metrics->mEndWallTime = totalTime(); + + sample(metrics); + + if (mProcFS) + { + fclose(mProcFS); + mProcFS = NULL; + } + } + +protected: + bool scanProcFS(U64 * utime, U64 * stime, U64 * vsz) + { + if (mProcFS) + { + int i_dummy; + unsigned int ui_dummy; + unsigned long ul_dummy, user_ticks, sys_ticks, vsize; + long l_dummy, rss; + unsigned long long ull_dummy; + char c_dummy; + + char buffer[256]; + + static const char * format("%d %*s %c %d %d %d %d %d %u %lu %lu %lu %lu %lu %lu %ld %ld %ld %ld %ld %ld %llu %lu %ld"); + + fseek(mProcFS, 0L, SEEK_SET); + size_t len = fread(buffer, 1, sizeof(buffer) - 1, mProcFS); + if (! len) + { + return false; + } + buffer[len] = '\0'; + if (23 == sscanf(buffer, format, + &i_dummy, // pid + // &s_dummy, // command name + &c_dummy, // state + &i_dummy, // ppid + &i_dummy, // pgrp + &i_dummy, // session + &i_dummy, // terminal + &i_dummy, // terminal group id + &ui_dummy, // flags + &ul_dummy, // minor faults + &ul_dummy, // minor faults in children + &ul_dummy, // major faults + &ul_dummy, // major faults in children + &user_ticks, + &sys_ticks, + &l_dummy, // cutime + &l_dummy, // cstime + &l_dummy, // process priority + &l_dummy, // nice value + &l_dummy, // thread count + &l_dummy, // time to SIGALRM + &ull_dummy, // start time + &vsize, + &rss)) + { + // Looks like we understand the line + if (utime) + { + *utime = user_ticks * mUsecsPerTick; + } + + if (stime) + { + *stime = sys_ticks * mUsecsPerTick; + } + + if (vsz) + { + *vsz = vsize; + } + return true; + } + } + return false; + } + +protected: + FILE * mProcFS; + U64 mUsecsPerTick; + +}; + + +#endif // LL_WINDOWS + +Metrics::Metrics() + : mMaxVSZ(U64(0)), + mMinVSZ(U64L(0xffffffffffffffff)), + mStartWallTime(U64(0)), + mEndWallTime(U64(0)), + mStartUTime(U64(0)), + mEndUTime(U64(0)), + mStartSTime(U64(0)), + mEndSTime(U64(0)) +{ + mImpl = new MetricsImpl(); +} + + +Metrics::~Metrics() +{ + delete mImpl; + mImpl = NULL; +} + + +void Metrics::init() +{ + mImpl->init(this); +} + + +void Metrics::sample() +{ + mImpl->sample(this); +} + + +void Metrics::term() +{ + mImpl->term(this); +} + + |