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-rwxr-xr-xindra/llcorehttp/examples/http_texture_load.cpp947
1 files changed, 947 insertions, 0 deletions
diff --git a/indra/llcorehttp/examples/http_texture_load.cpp b/indra/llcorehttp/examples/http_texture_load.cpp
new file mode 100755
index 0000000000..40ad4f047d
--- /dev/null
+++ b/indra/llcorehttp/examples/http_texture_load.cpp
@@ -0,0 +1,947 @@
+/**
+ * @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 "httpheaders.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();
+ ~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;
+ LLCore::HttpHeaders * mHeaders;
+};
+
+
+// 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)
+{
+ LLCore::HttpStatus status;
+ 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::setPolicyClassOption(LLCore::HttpRequest::DEFAULT_POLICY_ID,
+ LLCore::HttpRequest::CP_CONNECTION_LIMIT,
+ concurrency_limit);
+ 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 = 100;
+
+ 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(5000000);
+ 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
+ hr->requestStopThread(NULL);
+ ms_sleep(1000);
+ delete hr;
+ LLCore::HttpRequest::destroyService();
+ 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);
+
+ mHeaders = new LLCore::HttpHeaders;
+ mHeaders->mHeaders.push_back("Accept: image/x-j2c");
+}
+
+
+WorkingSet::~WorkingSet()
+{
+ if (mHeaders)
+ {
+ mHeaders->release();
+ mHeaders = NULL;
+ }
+}
+
+
+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, mHeaders, this);
+ }
+ else
+ {
+ handle = hr->requestGet(0, 0, buffer, NULL, mHeaders, 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);
+}
+
+