From 3e51e918dafe8c6ab3ebc6e501ef15a8fc01a8ad Mon Sep 17 00:00:00 2001
From: Chris Wilson <chris+github@qwirx.com>
Date: Fri, 26 Sep 2008 20:22:26 +0000
Subject: Add file logger class.

---
 lib/common/Logging.cpp | 59 ++++++++++++++++++++++++++++++++++++++++++++++++++
 lib/common/Logging.h   | 23 ++++++++++++++++++++
 2 files changed, 82 insertions(+)

(limited to 'lib')

diff --git a/lib/common/Logging.cpp b/lib/common/Logging.cpp
index df7c609e..802f6a3b 100644
--- a/lib/common/Logging.cpp
+++ b/lib/common/Logging.cpp
@@ -222,6 +222,12 @@ Logger::Logger()
 	Logging::Add(this);
 }
 
+Logger::Logger(Log::Level Level) 
+: mCurrentLevel(Level) 
+{
+	Logging::Add(this);
+}
+
 Logger::~Logger() 
 {
 	Logging::Remove(this);
@@ -400,3 +406,56 @@ void Syslog::SetProgramName(const std::string& rProgramName)
 	::closelog();
 	::openlog(mName.c_str(), LOG_PID, LOG_LOCAL6);
 }
+
+bool FileLogger::Log(Log::Level Level, const std::string& rFile, 
+	int line, std::string& rMessage)
+{
+	if (Level > GetLevel())
+	{
+		return true;
+	}
+	
+	/* avoid infinite loop if this throws an exception */
+	Logging::Remove(this);
+
+	std::ostringstream buf;
+	buf << FormatTime(GetCurrentBoxTime(), false);
+	buf << " ";
+
+	if (Level <= Log::FATAL)
+	{
+		buf << "[FATAL]   ";
+	}
+	else if (Level <= Log::ERROR)
+	{
+		buf << "[ERROR]   ";
+	}
+	else if (Level <= Log::WARNING)
+	{
+		buf << "[WARNING] ";
+	}
+	else if (Level <= Log::NOTICE)
+	{
+		buf << "[NOTICE]  ";
+	}
+	else if (Level <= Log::INFO)
+	{
+		buf << "[INFO]    ";
+	}
+	else if (Level <= Log::TRACE)
+	{
+		buf << "[TRACE]   ";
+	}
+
+	buf << rMessage << "\n";
+	std::string output = buf.str();
+
+	#ifdef WIN32
+		ConvertUtf8ToConsole(output.c_str(), output);
+	#endif
+
+	mLogFile.Write(output.c_str(), output.length());
+
+	Logging::Add(this);
+	return true;
+}
diff --git a/lib/common/Logging.h b/lib/common/Logging.h
index 9a850c44..39e76740 100644
--- a/lib/common/Logging.h
+++ b/lib/common/Logging.h
@@ -15,6 +15,8 @@
 #include <sstream>
 #include <vector>
 
+#include "FileStream.h"
+
 /*
 #define BOX_LOG(level, stuff) \
 { \
@@ -115,6 +117,7 @@ class Logger
 	
 	public:
 	Logger();
+	Logger(Log::Level level);
 	virtual ~Logger();
 	
 	virtual bool Log(Log::Level level, const std::string& rFile, 
@@ -268,4 +271,24 @@ class Logging
 	};
 };
 
+class FileLogger : public Logger
+{
+	private:
+	FileStream mLogFile;
+	FileLogger(const FileLogger& forbidden)
+	: mLogFile("") { /* do not call */ }
+	
+	public:
+	FileLogger(const std::string& rFileName, Log::Level Level)
+	: Logger(Level),
+	  mLogFile(rFileName, O_WRONLY | O_CREAT | O_APPEND)
+	{ }
+	
+	virtual bool Log(Log::Level Level, const std::string& rFile, 
+		int Line, std::string& rMessage);
+	
+	virtual const char* GetType() { return "FileLogger"; }
+	virtual void SetProgramName(const std::string& rProgramName) { }
+};
+
 #endif // LOGGING__H
-- 
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