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// Copyright (C) Intel Corp. 2015. All Rights Reserved.
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
// The above copyright notice and this permission notice (including the
// next paragraph) shall be included in all copies or substantial
// portions of the Software.
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
// IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
// **********************************************************************/
// * Authors:
// * Mark Janes <mark.a.janes@intel.com>
// **********************************************************************/
#include "glframe_logger.hpp"
#include <assert.h>
#include <fcntl.h>
#include <sys/stat.h>
#include <time.h>
#include <sstream>
#include <string>
#include "glframe_os.hpp"
using glretrace::Logger;
using glretrace::ScopedLock;
using glretrace::Thread;
using glretrace::Severity;
Logger *Logger::m_instance = NULL;
void
Logger::Create() {
assert(!m_instance);
#ifdef WIN32
char dir[MAX_PATH] = "";
GetTempPath(MAX_PATH, dir);
#else
const char *dir = "/tmp";
#endif
std::stringstream ss;
ss << dir << "/" << "frame_retrace.log";
m_instance = new Logger(ss.str());
}
void
Logger::Begin() {
m_instance->Start();
}
void
Logger::Destroy() {
m_instance->Stop();
m_instance->Join();
delete m_instance;
m_instance = NULL;
}
Logger::Logger(const std::string &out_path) : Thread("logger"),
m_severity(WARN),
m_running(true) {
std::stringstream ss;
m_fh = fopen(out_path.c_str(), "a");
assert(m_fh != NULL);
m_read_fh = fopen(out_path.c_str(), "r");
assert(m_read_fh != NULL);
}
Logger::~Logger() {
fclose(m_fh);
m_fh = NULL;
fclose(m_read_fh);
m_read_fh = NULL;
}
const char *
format_severity(glretrace::Severity s) {
switch (s) {
case glretrace::DEBUG:
return "DEBUG";
case glretrace::INFO:
return "INFO";
case glretrace::WARN:
return "WARN";
case glretrace::ERR:
return "ERROR";
default:
return "UNKNOWN";
}
}
void
Logger::Log(Severity s, const std::string &file, int line,
const std::string &message) {
assert(m_instance);
if (s < m_instance->m_severity)
return;
time_t t = time(NULL);
char ts[255];
struct tm result;
glretrace_localtime(&t, &result);
strftime(ts, 255, "%Y %b %d %H:%M:%S", &result);
std::stringstream ss;
ss << "[" << ts << "] "
<< file << " " << line
<< " (" << format_severity(s) << "): "
<< message << "\n";
ScopedLock sl(m_instance->m_protect);
m_instance->m_q.push(ss.str());
m_instance->m_sem.post();
}
void
Logger::SetSeverity(Severity s) {
ScopedLock sl(m_instance->m_protect);
m_instance->m_severity = s;
}
void
Logger::Flush() {
assert(m_instance);
while (true) {
std::string front;
{
ScopedLock sl(m_instance->m_protect);
if (m_instance->m_q.empty())
break;
front = m_instance->m_q.front();
m_instance->m_q.pop();
}
fwrite(front.c_str(), 1, front.length(), m_instance->m_fh);
}
ScopedLock sl(m_instance->m_protect);
fflush(m_instance->m_fh);
}
void
Logger::Run() {
while (true) {
m_sem.wait();
Flush();
if (!m_running)
break;
}
}
void
Logger::Stop() {
ScopedLock sl(m_protect);
m_running = false;
m_sem.post();
}
void
Logger::GetLog(std::string *out) {
ScopedLock sl(m_instance->m_protect);
char buf[1024];
size_t bytes = 1;
while (bytes > 0) {
bytes = fread(buf, 1, 1023, m_instance->m_read_fh);
buf[bytes] = '\0';
out->append(buf);
}
}
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