172 lines
3.5 KiB
C++
Executable File
172 lines
3.5 KiB
C++
Executable File
/*
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* This file is a part of Winix
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* and is not publicly distributed
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*
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* Copyright (c) 2008-2012, Tomasz Sowa
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* All rights reserved.
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*
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*/
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#ifndef headerfile_winix_core_log
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#define headerfile_winix_core_log
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#include <sstream>
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#include <fstream>
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#include <iostream>
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#include <string>
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#include "textstream.h"
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#include "logmanipulators.h"
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#include "textstream/textstream.h"
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class TimeZones;
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class Log
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{
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public:
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Log();
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~Log();
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void SetTimeZones(TimeZones * ptime_zones);
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void Init(int log_level_, bool save_each_line_, const std::string & log_file_, bool log_std, int log_max_requests);
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Log & operator<<(const void * s);
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Log & operator<<(const char * s);
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Log & operator<<(const std::string * s);
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Log & operator<<(const std::string & s);
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Log & operator<<(const wchar_t * s);
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Log & operator<<(const std::wstring * s);
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Log & operator<<(const std::wstring & s);
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Log & operator<<(int s);
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Log & operator<<(long s);
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Log & operator<<(char s);
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Log & operator<<(wchar_t s);
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Log & operator<<(size_t s);
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Log & operator<<(double s);
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Log & operator<<(const PT::Space & space);
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Log & operator<<(LogManipulators m);
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Log & operator<<(const PT::Date & date);
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void PrintDate(const PT::Date & date, size_t time_zone_id);
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template<typename char_type, size_t stack_size, size_t heap_block_size>
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Log & operator<<(const PT::TextStreamBase<char_type, stack_size, heap_block_size> & buf);
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template<class StringType>
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void LogString(const StringType & value, size_t max_size);
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void LogBinary(const char * blob, size_t blob_len);
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void LogBinary(const std::string & blob);
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void SystemErr(int err);
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void SaveLog();
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void SaveLogAndClear();
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int LogLevel();
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private:
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// time zones for printing the time in the log file
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TimeZones * time_zones;
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// buffer for the log
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TextStream<std::wstring> buffer;
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// log lovel from the config file
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int log_level;
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// current level set by a modifier (e.g. log << log3)
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int current_level;
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// current request for logging
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// starts from zero and incremented after logendrequest modifier
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int request;
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// how many request to save at once
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int max_requests;
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// file log
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std::string log_file;
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std::ofstream file;
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// logging to stdout
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bool log_stdout;
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// how many lines there are in the buffer
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int lines;
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// is the config file already open
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bool log_file_open;
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// how many lines can be in the config buffer
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// default: 5000
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int max_lines;
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// whether to save each line (for debug)
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bool save_each_line;
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void OpenFile();
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char GetHEXdigit(unsigned char c);
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void ToHEX(char * buf, unsigned char c);
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};
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template<class StringType>
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void Log::LogString(const StringType & value, size_t max_size)
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{
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size_t min_size = value.size() < max_size ? value.size() : max_size;
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if( current_level <= log_level )
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{
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for(size_t i=0 ; i<min_size ; ++i)
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{
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if( value[i] < 32 )
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buffer << '.';
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else
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buffer << value[i];
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}
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}
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}
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template<typename char_type, size_t stack_size, size_t heap_block_size>
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Log & Log::operator<<(const PT::TextStreamBase<char_type, stack_size, heap_block_size> & buf)
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{
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if( current_level > log_level )
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return *this;
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typename PT::TextStreamBase<char_type, stack_size, heap_block_size>::const_iterator i = buf.begin();
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// in the future we change buffer to PT::TextStreamBuffer
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// so then there'll be << operator
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for( ; i != buf.end() ; ++i)
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buffer << *i;
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return *this;
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}
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extern Log log;
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extern Log nlog;
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// for convenience, we have to use only #include "log.h" in the winix
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#include "slog.h"
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#endif
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