diff options
Diffstat (limited to 'lib/common/Logging.cpp')
| -rw-r--r-- | lib/common/Logging.cpp | 334 |
1 files changed, 334 insertions, 0 deletions
diff --git a/lib/common/Logging.cpp b/lib/common/Logging.cpp new file mode 100644 index 00000000..d22db238 --- /dev/null +++ b/lib/common/Logging.cpp @@ -0,0 +1,334 @@ +// -------------------------------------------------------------------------- +// +// File +// Name: Logging.cpp +// Purpose: Generic logging core routines implementation +// Created: 2006/12/16 +// +// -------------------------------------------------------------------------- + +#include "Box.h" + +#include <errno.h> +#include <time.h> + +#ifdef HAVE_SYSLOG_H + #include <syslog.h> +#endif + +#include "Logging.h" + +#include <iomanip> + +bool Logging::sLogToSyslog = false; +bool Logging::sLogToConsole = false; +bool Logging::sContextSet = false; + +std::vector<Logger*> Logging::sLoggers; +std::string Logging::sContext; +Console* Logging::spConsole = NULL; +Syslog* Logging::spSyslog = NULL; +Log::Level Logging::sGlobalLevel = Log::EVERYTHING; +Logging Logging::sGlobalLogging; //automatic initialisation + +Logging::Logging() +{ + ASSERT(!spConsole); + ASSERT(!spSyslog); + spConsole = new Console(); + spSyslog = new Syslog(); + sLogToConsole = true; + sLogToSyslog = true; +} + +Logging::~Logging() +{ + sLogToConsole = false; + sLogToSyslog = false; + delete spConsole; + delete spSyslog; + spConsole = NULL; + spSyslog = NULL; +} + +void Logging::ToSyslog(bool enabled) +{ + if (!sLogToSyslog && enabled) + { + Add(spSyslog); + } + + if (sLogToSyslog && !enabled) + { + Remove(spSyslog); + } + + sLogToSyslog = enabled; +} + +void Logging::ToConsole(bool enabled) +{ + if (!sLogToConsole && enabled) + { + Add(spConsole); + } + + if (sLogToConsole && !enabled) + { + Remove(spConsole); + } + + sLogToConsole = enabled; +} + +void Logging::FilterConsole(Log::Level level) +{ + spConsole->Filter(level); +} + +void Logging::FilterSyslog(Log::Level level) +{ + spSyslog->Filter(level); +} + +void Logging::Add(Logger* pNewLogger) +{ + for (std::vector<Logger*>::iterator i = sLoggers.begin(); + i != sLoggers.end(); i++) + { + if (*i == pNewLogger) + { + return; + } + } + + sLoggers.insert(sLoggers.begin(), pNewLogger); +} + +void Logging::Remove(Logger* pOldLogger) +{ + for (std::vector<Logger*>::iterator i = sLoggers.begin(); + i != sLoggers.end(); i++) + { + if (*i == pOldLogger) + { + sLoggers.erase(i); + return; + } + } +} + +void Logging::Log(Log::Level level, const std::string& rFile, + int line, const std::string& rMessage) +{ + if (level > sGlobalLevel) + { + return; + } + + std::string newMessage; + + if (sContextSet) + { + newMessage += "[" + sContext + "] "; + } + + newMessage += rMessage; + + for (std::vector<Logger*>::iterator i = sLoggers.begin(); + i != sLoggers.end(); i++) + { + bool result = (*i)->Log(level, rFile, line, newMessage); + if (!result) + { + return; + } + } +} + +void Logging::SetContext(std::string context) +{ + sContext = context; + sContextSet = true; +} + +void Logging::ClearContext() +{ + sContextSet = false; +} + +void Logging::SetProgramName(const std::string& rProgramName) +{ + for (std::vector<Logger*>::iterator i = sLoggers.begin(); + i != sLoggers.end(); i++) + { + (*i)->SetProgramName(rProgramName); + } +} + +Logger::Logger() +: mCurrentLevel(Log::EVERYTHING) +{ + Logging::Add(this); +} + +Logger::~Logger() +{ + Logging::Remove(this); +} + +bool Console::sShowTime = false; +bool Console::sShowTag = false; +std::string Console::sTag; + +void Console::SetTag(const std::string& rTag) +{ + sTag = rTag; + sShowTag = true; +} + +void Console::SetShowTime(bool enabled) +{ + sShowTime = enabled; +} + +bool Console::Log(Log::Level level, const std::string& rFile, + int line, std::string& rMessage) +{ + if (level > GetLevel()) + { + return true; + } + + FILE* target = stdout; + + if (level <= Log::WARNING) + { + target = stderr; + } + + std::string msg; + + if (sShowTime) + { + struct tm time_now, *tm_ptr = &time_now; + time_t time_t_now = time(NULL); + + if (time_t_now == ((time_t)-1)) + { + msg += strerror(errno); + msg += " "; + } + #ifdef WIN32 + else if ((tm_ptr = localtime(&time_t_now)) != NULL) + #else + else if (localtime_r(&time_t_now, &time_now) != NULL) + #endif + { + std::ostringstream buf; + buf << std::setfill('0') << + std::setw(2) << tm_ptr->tm_hour << ":" << + std::setw(2) << tm_ptr->tm_min << ":" << + std::setw(2) << tm_ptr->tm_sec << " "; + msg += buf.str(); + } + else + { + msg += strerror(errno); + msg += " "; + } + } + + if (sShowTag) + { + msg += "[" + sTag + "] "; + } + + if (level <= Log::FATAL) + { + msg += "FATAL: "; + } + else if (level <= Log::ERROR) + { + msg += "ERROR: "; + } + else if (level <= Log::WARNING) + { + msg += "WARNING: "; + } + else if (level <= Log::NOTICE) + { + msg += "NOTICE: "; + } + + msg += rMessage; + + fprintf(target, "%s\n", msg.c_str()); + + return true; +} + +bool Syslog::Log(Log::Level level, const std::string& rFile, + int line, std::string& rMessage) +{ + if (level > GetLevel()) + { + return true; + } + + int syslogLevel = LOG_ERR; + + switch(level) + { + case Log::NOTHING: /* fall through */ + case Log::FATAL: syslogLevel = LOG_CRIT; break; + case Log::ERROR: syslogLevel = LOG_ERR; break; + case Log::WARNING: syslogLevel = LOG_WARNING; break; + case Log::NOTICE: syslogLevel = LOG_NOTICE; break; + case Log::INFO: syslogLevel = LOG_INFO; break; + case Log::TRACE: /* fall through */ + case Log::EVERYTHING: syslogLevel = LOG_DEBUG; break; + } + + std::string msg; + + if (level <= Log::FATAL) + { + msg = "FATAL: "; + } + else if (level <= Log::ERROR) + { + msg = "ERROR: "; + } + else if (level <= Log::WARNING) + { + msg = "WARNING: "; + } + else if (level <= Log::NOTICE) + { + msg = "NOTICE: "; + } + + msg += rMessage; + + syslog(syslogLevel, "%s", msg.c_str()); + + return true; +} + +Syslog::Syslog() +{ + ::openlog("Box Backup", LOG_PID, LOG_LOCAL6); +} + +Syslog::~Syslog() +{ + ::closelog(); +} + +void Syslog::SetProgramName(const std::string& rProgramName) +{ + mName = rProgramName; + ::closelog(); + ::openlog(mName.c_str(), LOG_PID, LOG_LOCAL6); +} |