From 8f27e65bddd7d4b8515ce620fb485fdd78fcdf89 Mon Sep 17 00:00:00 2001 From: Constantin Jucovschi Date: Fri, 24 Apr 2009 07:20:22 -0400 Subject: Initial commit --- httpserver/logging.cc | 297 ++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 297 insertions(+) create mode 100644 httpserver/logging.cc (limited to 'httpserver/logging.cc') diff --git a/httpserver/logging.cc b/httpserver/logging.cc new file mode 100644 index 0000000..e486c66 --- /dev/null +++ b/httpserver/logging.cc @@ -0,0 +1,297 @@ +/* +* This file is part of rasdaman community. +* +* Rasdaman community 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 3 of the License, or +* (at your option) any later version. +* +* Rasdaman community 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 rasdaman community. If not, see . +* +* Copyright 2003, 2004, 2005, 2006, 2007, 2008, 2009 Peter Baumann / +rasdaman GmbH. +* +* For more information please see +* or contact Peter Baumann via . +*/ +/*------------------------------------------------------------------------*/ +/* logging.c - logging and error message handling. */ +/*------------------------------------------------------------------------*/ + +#include "defs.h" +#include "protos.h" +#include "server.h" + + +extern struct Logging *LogBase; + + +rc_t OpenLog( struct Logging *Log, char *AccessLog, char *ServerLog, char *CommLog ) +{ + /* removed this, we don't need this logs + if( (Log->Mode & LF_STDERR) == LF_STDERR ) // Log to STDOUT/STDERR ? + { + Log->Access.Filename = NULL; + Log->Access.FD = STDOUT_FILENO; + Log->Access.State = FILE_OPEN; + Log->Server.Filename = NULL; + Log->Server.FD = STDERR_FILENO; + Log->Server.State = FILE_OPEN; + Log->Comm.Filename = NULL; + Log->Comm.FD = STDOUT_FILENO; + Log->Comm.State = FILE_OPEN; + } + else + { + Log->Access.Filename = AccessLog; + if( AccessLog != NULL ) + { + Log->Access.FD = open( Log->Access.Filename, + O_WRONLY | O_CREAT | O_APPEND, FILE_MODE ); + if( Log->Server.FD < 0 ) + ErrorMsg( E_SYS, FAIL, "FAIL: Open AccessLog failed." ); + Log->Access.State = FILE_OPEN; + } + else + { + Log->Access.State = FILE_CLOSED; + } + + Log->Server.Filename = ServerLog; + if( ServerLog != NULL ) + { + Log->Server.FD = open( Log->Server.Filename, + O_WRONLY | O_CREAT | O_APPEND, FILE_MODE ); + if( Log->Server.FD < 0 ) + ErrorMsg( E_SYS, FAIL, "FAIL: Open ServerLog failed." ); + Log->Server.State = FILE_OPEN; + } + else + { + Log->Server.State = FILE_CLOSED; + } + } + */ + + Log->Server.State = FILE_CLOSED; + Log->Access.State = FILE_CLOSED; + Log->Comm.State = FILE_CLOSED; + return( OK ); +} + + +void CloseLog( struct Logging *Log ) +{ + //close( Log->Server.FD ); + Log->Server.State = FILE_CLOSED; + //close( Log->Access.FD ); + Log->Access.State = FILE_CLOSED; +} + + + +void ErrorMsg( int errnoFlag, int ErrLevel, const char *ErrMsg, ... ) +{ + int errno_save; + char ErrMsgBuffer[ MAXLINELEN ]; + size_t StringSize, BuffSize; + va_list ArgPtr; + + errno_save = errno; + + va_start( ArgPtr, ErrMsg ); + if( VSNPrintf( ErrMsgBuffer, MAXLINELEN, ErrMsg, ArgPtr ) < 0) + ErrorMsg( E_PRIV, WARN, "WARN: Log message exceeded buffer size!" ); + va_end( ArgPtr ); + + StringSize = strlen( ErrMsgBuffer ); + BuffSize = MAXLINELEN - StringSize; + + if( errnoFlag ) + { + if( SNPrintf( ErrMsgBuffer + StringSize, &BuffSize, + " Reason: %s", StrError( errno_save ) ) < 0) + { + ErrorMsg( E_PRIV, WARN, "WARN: Log message exceeded buffer size!" ); + } + } + LogMsg( LG_SERVER, ErrLevel, ErrMsgBuffer ); + + switch( ErrLevel ) + { + case DUMP: + { + abort(); /* core dump erzeugen und beenden */ + exit( DUMP ); /* sollte nicht soweit kommen... */ + } + break; + case FAIL: + { + exit( FAIL ); /* Ausstieg mit Status "FAIL". */ + } + break; + default: + return; + } +} + + +void LogMsg( int SubSys, int Level, const char *Msg, ... ) +{ + return; + /* + char MsgBuffer[ MAXLINELEN ]; + char *BufferPtr; + size_t BuffSize = MAXLINELEN; + size_t TimeBuffSize = DATE_BUFFSIZE; + va_list ArgPtr; + + if( (Level == DEBUG) && ((LogBase->Mode & LF_VERB) == 0) ) // DEBUG Msgs wanted? + return; + + bzero( MsgBuffer, MAXLINELEN ); + BufferPtr = &MsgBuffer[0]; + + // ### HACK! access.log datestamp is already in msg string! + if( SubSys != LG_ACCESS ) + { + LogDate( BufferPtr, TimeBuffSize ); + strcat( BufferPtr, " " ); + } + if( SubSys == LG_SERVER ) + { + BufferPtr = &MsgBuffer[0] + strlen( MsgBuffer ); + sprintf( BufferPtr, "<%d> ", getpid() ); + } + + BufferPtr = &MsgBuffer[0] + strlen( MsgBuffer ); + BuffSize = MAXLINELEN - strlen( MsgBuffer ) - 2; + + va_start( ArgPtr, Msg ); + if( VSNPrintf( BufferPtr, BuffSize , Msg, ArgPtr ) < 0) + ErrorMsg( E_PRIV, WARN, "WARN: Log message exceeded buffer size!" ); + va_end( ArgPtr ); + + // Log-Meldungen sollten immer ein am Ende haben. + // Also kontrollieren und nötigenfalls ergänzen. + // Da MsgBuffer mit maximal MAXLINELEN - 2 Zeichen gefüllt sein + // sollte, kann gefahrlos angehängt werden. + + if( MsgBuffer[ strlen( MsgBuffer ) - 1 ] != '\n' ) + strcat( MsgBuffer, "\n" ); + + // Moeglichkeiten: + // stdio offen, Server.Log nicht initialisiert + // stdio offen, Server.Log initialisiert (Log auf stdio) + // stdio geschlossen, Server.Log initialisiert (Log in File) + + switch( SubSys ) + { + case LG_SERVER: + if( LogBase->Server.State == FILE_OPEN ) + write( LogBase->Server.FD, MsgBuffer, strlen( MsgBuffer ) ); + else + write( STDERR_FILENO, MsgBuffer, strlen( MsgBuffer ) ); + break; + case LG_ACCESS: + if( LogBase->Access.State == FILE_OPEN ) + write( LogBase->Access.FD, MsgBuffer, strlen( MsgBuffer ) ); + else + write( STDOUT_FILENO, Msg, strlen( MsgBuffer ) ); + break; + case LG_COMM: + if( LogBase->Comm.State == FILE_OPEN ) + write( LogBase->Comm.FD, MsgBuffer, strlen( MsgBuffer ) ); + else + write( STDOUT_FILENO, Msg, strlen( MsgBuffer ) ); + break; + default: + ErrorMsg( E_PRIV, WARN, "WARN: Unknown Logging sub-system!" ); + } + */ + return; +} + +rc_t LogDate( char *Buffer, int BuffSize ) +{ + struct tm *ltime; + int TZoffset; + char sign; + + size_t strsize; + size_t RestSize; + + ltime = Get_GMToffset( &TZoffset ); + + /* LOG Date Format: "[dd/mmm/yyyy:HH:MM:SS {-|+}XXXX]" */ + /* XXXX = Timezone offset format: HHMM */ + sign = ( TZoffset < 0 ? '-' : '+' ); + if( TZoffset < 0 ) + TZoffset = -TZoffset; + + strsize = strftime( Buffer, BuffSize, "[%d/%b/%Y:%H:%M:%S ", ltime ); + if( strsize >= BuffSize-6 || strsize == 0 ) + return( ERROR ); + else + { + RestSize = BuffSize-strsize; + SNPrintf( Buffer+strsize, &RestSize, "%c%.2d%.2d]", + sign, TZoffset/60, TZoffset%60 ); + return( OK ); + } +} + + +/****** logging/Get_GMToffset ************************************************ +* +* NAME +* Get_GMToffset -- Get numerical offset of localtime to gmtime. +* +* SYNOPSIS +* +* +* FUNCTION +* +* +* INPUTS +* +* +* RESULT +* +* +* NOTES +* Source code taken from Apache 1.3.1 distribution. +* +* BUGS +* +* +* SEE ALSO +* +* +****************************************************************************** +* +*/ + +struct tm *Get_GMToffset( int *tz ) +{ + time_t tt = time(NULL); + struct tm gmt; + struct tm *t; + int days, hours, minutes; + + /* Assume we are never more than 24 hours away. */ + gmt = *gmtime(&tt); /* remember gmtime/localtime return ptr to static */ + t = localtime(&tt); /* buffer... so be careful */ + days = t->tm_yday - gmt.tm_yday; + hours = ((days < -1 ? 24 : 1 < days ? -24 : days * 24) + + t->tm_hour - gmt.tm_hour); + minutes = hours * 60 + t->tm_min - gmt.tm_min; + *tz = minutes; + return( t ); +} -- cgit