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Diffstat (limited to 'server-tools/instance-manager/log.cc')
| -rw-r--r-- | server-tools/instance-manager/log.cc | 196 |
1 files changed, 0 insertions, 196 deletions
diff --git a/server-tools/instance-manager/log.cc b/server-tools/instance-manager/log.cc deleted file mode 100644 index 9f276523e49..00000000000 --- a/server-tools/instance-manager/log.cc +++ /dev/null @@ -1,196 +0,0 @@ -/* Copyright (C) 2003-2006 MySQL AB - - This program 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; version 2 of the License. - - This program 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 this program; if not, write to the Free Software - Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ - -#include "log.h" - -#include <my_global.h> -#include <m_string.h> -#include <my_sys.h> - -#include <stdarg.h> - -#include "portability.h" /* for vsnprintf() on Windows. */ - -/* - TODO: - - add flexible header support - - rewrite all fprintf with fwrite - - think about using 'write' instead of fwrite/fprintf on POSIX systems -*/ - -/* - Format log entry and write it to the given stream. - SYNOPSIS - log() -*/ - -static void log(FILE *file,const char *level_tag, const char *format, - va_list args) -{ - /* - log() should be thread-safe; it implies that we either call fprintf() - once per log(), or use flockfile()/funlockfile(). But flockfile() is - POSIX, not ANSI C, so we try to vsnprintf the whole message to the - stack, and if stack buffer is not enough, to malloced string. When - message is formatted, it is fprintf()'ed to the file. - */ - - /* Format time like MYSQL_LOG does. */ - time_t now= time(0); - struct tm bd_time; // broken-down time - localtime_r(&now, &bd_time); - - char buff_date[128]; - sprintf(buff_date, "[%d/%lu] [%02d/%02d/%02d %02d:%02d:%02d] [%s] ", - (int) getpid(), - (unsigned long) pthread_self(), - (int) bd_time.tm_year % 100, - (int) bd_time.tm_mon + 1, - (int) bd_time.tm_mday, - (int) bd_time.tm_hour, - (int) bd_time.tm_min, - (int) bd_time.tm_sec, - (const char *) level_tag); - /* Format the message */ - char buff_stack[256]; - - int n= vsnprintf(buff_stack, sizeof(buff_stack), format, args); - /* - return value of vsnprintf can vary, according to various standards; - try to check all cases. - */ - char *buff_msg= buff_stack; - if (n < 0 || n == sizeof(buff_stack)) - { - int size= sizeof(buff_stack) * 2; - buff_msg= (char*) my_malloc(size, MYF(0)); - while (TRUE) - { - if (buff_msg == 0) - { - strmake(buff_stack, "log(): message is too big, my_malloc() failed", - sizeof(buff_stack) - 1); - buff_msg= buff_stack; - break; - } - n = vsnprintf(buff_msg, size, format, args); - if (n >= 0 && n < size) - break; - size*= 2; - /* realloc() does unnecessary memcpy */ - my_free(buff_msg, 0); - buff_msg= (char*) my_malloc(size, MYF(0)); - } - } - else if ((size_t) n > sizeof(buff_stack)) - { - buff_msg= (char*) my_malloc(n + 1, MYF(0)); -#ifdef DBUG - DBUG_ASSERT(n == vsnprintf(buff_msg, n + 1, format, args)); -#else - vsnprintf(buff_msg, n + 1, format, args); -#endif - } - fprintf(file, "%s%s\n", buff_date, buff_msg); - if (buff_msg != buff_stack) - my_free(buff_msg, 0); - - /* don't fflush() the file: buffering strategy is set in log_init() */ -} - -/************************************************************************** - Logging: implementation of public interface. -**************************************************************************/ - -/* - The function initializes logging sub-system. - - SYNOPSIS - log_init() -*/ - -void log_init() -{ - /* - stderr is unbuffered by default; there is no good of line buffering, - as all logging is performed linewise - so remove buffering from stdout - also - */ - setbuf(stdout, 0); -} - - -/* - The function is intended to log error messages. It precedes a message - with date, time and [ERROR] tag and print it to the stderr and stdout. - - We want to print it on stdout to be able to know in which context we got the - error - - SYNOPSIS - log_error() - format [IN] format string - ... [IN] arguments to format -*/ - -void log_error(const char *format, ...) -{ - va_list args; - va_start(args, format); - log(stdout, "ERROR", format, args); - fflush(stdout); - log(stderr, "ERROR", format, args); - fflush(stderr); - va_end(args); -} - - -/* - The function is intended to log information messages. It precedes - a message with date, time and [INFO] tag and print it to the stdout. - - SYNOPSIS - log_error() - format [IN] format string - ... [IN] arguments to format -*/ - -void log_info(const char *format, ...) -{ - va_list args; - va_start(args, format); - log(stdout, "INFO", format, args); - va_end(args); -} - -/* - The function prints information to the error log and eixt(1). - - SYNOPSIS - die() - format [IN] format string - ... [IN] arguments to format -*/ - -void die(const char *format, ...) -{ - va_list args; - fprintf(stderr,"%s: ", my_progname); - va_start(args, format); - vfprintf(stderr, format, args); - va_end(args); - fprintf(stderr, "\n"); - exit(1); -} |