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/* Copyright (C) 2012 Wildfire Games.
* This file is part of 0 A.D.
*
* 0 A.D. is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 2 of the License, or
* (at your option) any later version.
*
* 0 A.D. 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with 0 A.D. If not, see <http://www.gnu.org/licenses/>.
*/
#include "precompiled.h"
#include "CLogger.h"
#include "CConsole.h"
#include "graphics/FontMetrics.h"
#include "graphics/ShaderManager.h"
#include "graphics/TextRenderer.h"
#include "lib/ogl.h"
#include "lib/timer.h"
#include "lib/utf8.h"
#include "lib/sysdep/sysdep.h"
#include "ps/Profile.h"
#include "renderer/Renderer.h"
#include <ctime>
#include <iostream>
// Disable "'boost::algorithm::detail::is_classifiedF' : assignment operator could not be generated"
// and "find_format_store.hpp(74) : warning C4100: 'Input' : unreferenced formal parameter"
#if MSC_VERSION
#pragma warning(disable:4512)
#pragma warning(disable:4100)
#endif
#include <boost/algorithm/string/replace.hpp>
static const double RENDER_TIMEOUT = 10.0; // seconds before messages are deleted
static const double RENDER_TIMEOUT_RATE = 10.0; // number of timed-out messages deleted per second
static const size_t RENDER_LIMIT = 20; // maximum messages on screen at once
static const size_t BUFFER_SIZE = 1024;
// Set up a default logger that throws everything away, because that's
// better than crashing. (This is particularly useful for unit tests which
// don't care about any log output.)
struct BlackHoleStreamBuf : public std::streambuf
{
} blackHoleStreamBuf;
std::ostream blackHoleStream(&blackHoleStreamBuf);
CLogger nullLogger(&blackHoleStream, &blackHoleStream, false, true);
CLogger* g_Logger = &nullLogger;
const char* html_header0 =
"<!DOCTYPE html>\n"
"<meta charset=\"utf-8\">\n"
"<title>Pyrogenesis Log</title>\n"
"<style>"
"body { background: #eee; color: black; font-family: sans-serif; } "
"p { background: white; margin: 3px 0 3px 0; } "
".error { color: red; } "
".warning { color: blue; }"
"</style>\n"
"<h2>0 A.D. ";
const char* html_header1 = "</h2>\n";
CLogger::CLogger()
{
OsPath mainlogPath(psLogDir()/"mainlog.html");
m_MainLog = new std::ofstream(OsString(mainlogPath).c_str(), std::ofstream::out | std::ofstream::trunc);
OsPath interestinglogPath(psLogDir()/"interestinglog.html");
m_InterestingLog = new std::ofstream(OsString(interestinglogPath).c_str(), std::ofstream::out | std::ofstream::trunc);
m_OwnsStreams = true;
m_UseDebugPrintf = true;
Init();
}
CLogger::CLogger(std::ostream* mainLog, std::ostream* interestingLog, bool takeOwnership, bool useDebugPrintf)
{
m_MainLog = mainLog;
m_InterestingLog = interestingLog;
m_OwnsStreams = takeOwnership;
m_UseDebugPrintf = useDebugPrintf;
Init();
}
void CLogger::Init()
{
m_RenderLastEraseTime = -1.0;
// this is called too early to allow us to call timer_Time(),
// so we'll fill in the initial value later
m_NumberOfMessages = 0;
m_NumberOfErrors = 0;
m_NumberOfWarnings = 0;
//Write Headers for the HTML documents
*m_MainLog << html_header0 << "Main log" << html_header1;
//Write Headers for the HTML documents
*m_InterestingLog << html_header0 << "Main log (warnings and errors only)" << html_header1;
}
CLogger::~CLogger()
{
char buffer[128];
sprintf_s(buffer, ARRAY_SIZE(buffer), " with %d message(s), %d error(s) and %d warning(s).", m_NumberOfMessages,m_NumberOfErrors,m_NumberOfWarnings);
time_t t = time(NULL);
struct tm* now = localtime(&t);
char currentDate[17];
sprintf_s(currentDate, ARRAY_SIZE(currentDate), "%04d-%02d-%02d", 1900+now->tm_year, 1+now->tm_mon, now->tm_mday);
char currentTime[10];
sprintf_s(currentTime, ARRAY_SIZE(currentTime), "%02d:%02d:%02d", now->tm_hour, now->tm_min, now->tm_sec);
//Write closing text
*m_MainLog << "<p>Engine exited successfully on " << currentDate;
*m_MainLog << " at " << currentTime << buffer << "</p>\n";
*m_InterestingLog << "<p>Engine exited successfully on " << currentDate;
*m_InterestingLog << " at " << currentTime << buffer << "</p>\n";
if (m_OwnsStreams)
{
SAFE_DELETE(m_InterestingLog);
SAFE_DELETE(m_MainLog);
}
}
static std::string ToHTML(const wchar_t* message)
{
Status err;
std::string cmessage = utf8_from_wstring(message, &err);
boost::algorithm::replace_all(cmessage, "&", "&");
boost::algorithm::replace_all(cmessage, "<", "<");
return cmessage;
}
void CLogger::WriteMessage(const wchar_t* message, bool doRender = false)
{
std::string cmessage = ToHTML(message);
CScopeLock lock(m_Mutex);
++m_NumberOfMessages;
// if (m_UseDebugPrintf)
// debug_printf(L"MESSAGE: %ls\n", message);
*m_MainLog << "<p>" << cmessage << "</p>\n";
m_MainLog->flush();
if (doRender)
{
if (g_Console) g_Console->InsertMessage(L"INFO: %ls", message);
PushRenderMessage(Normal, message);
}
}
void CLogger::WriteError(const wchar_t* message)
{
std::string cmessage = ToHTML(message);
CScopeLock lock(m_Mutex);
++m_NumberOfErrors;
if (m_UseDebugPrintf)
debug_printf(L"ERROR: %ls\n", message);
if (g_Console) g_Console->InsertMessage(L"ERROR: %ls", message);
*m_InterestingLog << "<p class=\"error\">ERROR: " << cmessage << "</p>\n";
m_InterestingLog->flush();
*m_MainLog << "<p class=\"error\">ERROR: " << cmessage << "</p>\n";
m_MainLog->flush();
PushRenderMessage(Error, message);
}
void CLogger::WriteWarning(const wchar_t* message)
{
std::string cmessage = ToHTML(message);
CScopeLock lock(m_Mutex);
++m_NumberOfWarnings;
if (m_UseDebugPrintf)
debug_printf(L"WARNING: %ls\n", message);
if (g_Console) g_Console->InsertMessage(L"WARNING: %ls", message);
*m_InterestingLog << "<p class=\"warning\">WARNING: " << cmessage << "</p>\n";
m_InterestingLog->flush();
*m_MainLog << "<p class=\"warning\">WARNING: " << cmessage << "</p>\n";
m_MainLog->flush();
PushRenderMessage(Warning, message);
}
void CLogger::LogMessage(const wchar_t* fmt, ...)
{
va_list argp;
wchar_t buffer[BUFFER_SIZE] = {0};
va_start(argp, fmt);
if (sys_vswprintf(buffer, ARRAY_SIZE(buffer), fmt, argp) == -1)
{
// Buffer too small - ensure the string is nicely terminated
wcscpy_s(buffer+ARRAY_SIZE(buffer)-4, 4, L"...");
}
va_end(argp);
WriteMessage(buffer);
}
void CLogger::LogMessageRender(const wchar_t* fmt, ...)
{
va_list argp;
wchar_t buffer[BUFFER_SIZE] = {0};
va_start(argp, fmt);
if (sys_vswprintf(buffer, ARRAY_SIZE(buffer), fmt, argp) == -1)
{
// Buffer too small - ensure the string is nicely terminated
wcscpy_s(buffer+ARRAY_SIZE(buffer)-4, 4, L"...");
}
va_end(argp);
WriteMessage(buffer, true);
}
void CLogger::LogWarning(const wchar_t* fmt, ...)
{
va_list argp;
wchar_t buffer[BUFFER_SIZE] = {0};
va_start(argp, fmt);
if (sys_vswprintf(buffer, ARRAY_SIZE(buffer), fmt, argp) == -1)
{
// Buffer too small - ensure the string is nicely terminated
wcscpy_s(buffer+ARRAY_SIZE(buffer)-4, 4, L"...");
}
va_end(argp);
WriteWarning(buffer);
}
void CLogger::LogError(const wchar_t* fmt, ...)
{
va_list argp;
wchar_t buffer[BUFFER_SIZE] = {0};
va_start(argp, fmt);
if (sys_vswprintf(buffer, ARRAY_SIZE(buffer), fmt, argp) == -1)
{
// Buffer too small - ensure the string is nicely terminated
wcscpy_s(buffer+ARRAY_SIZE(buffer)-4, 4, L"...");
}
va_end(argp);
WriteError(buffer);
}
void CLogger::Render()
{
PROFILE3_GPU("logger");
CleanupRenderQueue();
CStrIntern font_name("mono-stroke-10");
CFontMetrics font(font_name);
int lineSpacing = font.GetLineSpacing();
CShaderTechniquePtr textTech = g_Renderer.GetShaderManager().LoadEffect(str_gui_text);
textTech->BeginPass();
CTextRenderer textRenderer(textTech->GetShader());
textRenderer.Font(font_name);
textRenderer.Color(1.0f, 1.0f, 1.0f);
// Offset by an extra 35px vertically to avoid the top bar.
textRenderer.Translate(4.0f, 35.0f + lineSpacing, 0.0f);
// (Lock must come after loading the CFont, since that might log error messages
// and attempt to lock the mutex recursively which is forbidden)
CScopeLock lock(m_Mutex);
for (std::deque<RenderedMessage>::iterator it = m_RenderMessages.begin(); it != m_RenderMessages.end(); ++it)
{
const wchar_t* type;
if (it->method == Normal)
{
type = L"info";
textRenderer.Color(0.0f, 0.8f, 0.0f);
}
else if (it->method == Warning)
{
type = L"warning";
textRenderer.Color(1.0f, 1.0f, 0.0f);
}
else
{
type = L"error";
textRenderer.Color(1.0f, 0.0f, 0.0f);
}
CMatrix3D savedTransform = textRenderer.GetTransform();
textRenderer.PrintfAdvance(L"[%8.3f] %ls: ", it->time, type);
// Display the actual message in white so it's more readable
textRenderer.Color(1.0f, 1.0f, 1.0f);
textRenderer.Put(0.0f, 0.0f, it->message.c_str());
textRenderer.SetTransform(savedTransform);
textRenderer.Translate(0.0f, (float)lineSpacing, 0.0f);
}
textRenderer.Render();
textTech->EndPass();
}
void CLogger::PushRenderMessage(ELogMethod method, const wchar_t* message)
{
double now = timer_Time();
// Add each message line separately
const wchar_t* pos = message;
const wchar_t* eol;
while ((eol = wcschr(pos, L'\n')) != NULL)
{
if (eol != pos)
{
RenderedMessage r = { method, now, std::wstring(pos, eol) };
m_RenderMessages.push_back(r);
}
pos = eol + 1;
}
// Add the last line, if we didn't end on a \n
if (*pos != L'\0')
{
RenderedMessage r = { method, now, std::wstring(pos) };
m_RenderMessages.push_back(r);
}
}
void CLogger::CleanupRenderQueue()
{
CScopeLock lock(m_Mutex);
if (m_RenderMessages.empty())
return;
double now = timer_Time();
// Initialise the timer on the first call (since we can't do it in the ctor)
if (m_RenderLastEraseTime == -1.0)
m_RenderLastEraseTime = now;
// Delete old messages, approximately at the given rate limit (and at most one per frame)
if (now - m_RenderLastEraseTime > 1.0/RENDER_TIMEOUT_RATE)
{
if (m_RenderMessages[0].time + RENDER_TIMEOUT < now)
{
m_RenderMessages.pop_front();
m_RenderLastEraseTime = now;
}
}
// If there's still too many then delete the oldest
if (m_RenderMessages.size() > RENDER_LIMIT)
m_RenderMessages.erase(m_RenderMessages.begin(), m_RenderMessages.end() - RENDER_LIMIT);
}
TestLogger::TestLogger()
{
m_OldLogger = g_Logger;
g_Logger = new CLogger(&m_Stream, &blackHoleStream, false, false);
}
TestLogger::~TestLogger()
{
delete g_Logger;
g_Logger = m_OldLogger;
}
std::wstring TestLogger::GetOutput()
{
Status err;
return wstring_from_utf8(m_Stream.str(), &err);
}
TestStdoutLogger::TestStdoutLogger()
{
m_OldLogger = g_Logger;
g_Logger = new CLogger(&std::cout, &blackHoleStream, false, false);
}
TestStdoutLogger::~TestStdoutLogger()
{
delete g_Logger;
g_Logger = m_OldLogger;
}
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