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/* |
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* ircd-hybrid: an advanced Internet Relay Chat Daemon(ircd). |
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* log.c: Logger functions. |
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* |
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* Copyright (C) 2002 by the past and present ircd coders, and others. |
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* |
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* This program is free software; you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License as published by |
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* the Free Software Foundation; either version 2 of the License, or |
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* (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program; if not, write to the Free Software |
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 |
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* USA |
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* |
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* $Id$ |
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*/ |
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|
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#include "stdinc.h" |
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|
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#include "log.h" |
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#include "irc_string.h" |
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#include "ircd.h" |
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#include "conf.h" |
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#include "send.h" |
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#include "s_misc.h" |
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|
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|
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static struct { |
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char path[PATH_MAX + 1]; |
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size_t size; |
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FILE *file; |
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} log_type_table[LOG_TYPE_LAST]; |
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|
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|
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int |
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log_add_file(enum log_type type, size_t size, const char *path) |
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{ |
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if (log_type_table[type].file) |
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fclose(log_type_table[type].file); |
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|
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strlcpy(log_type_table[type].path, path, sizeof(log_type_table[type].path)); |
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log_type_table[type].size = size; |
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|
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return (log_type_table[type].file = fopen(path, "a")) != NULL; |
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} |
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|
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void |
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log_close_all(void) |
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{ |
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unsigned int type = 0; |
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|
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while (++type < LOG_TYPE_LAST) |
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{ |
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if (log_type_table[type].file == NULL) |
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continue; |
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|
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fclose(log_type_table[type].file); |
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log_type_table[type].file = NULL; |
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} |
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} |
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|
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static int |
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log_exceed_size(unsigned int type) |
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{ |
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struct stat sb; |
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|
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if (!log_type_table[type].size) |
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return 0; |
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|
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if (stat(log_type_table[type].path, &sb) < 0) |
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return -1; |
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|
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return (size_t)sb.st_size > log_type_table[type].size; |
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} |
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|
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|
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static void |
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write_log(enum log_type type, const char *message) |
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{ |
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char buf[LOG_BUFSIZE]; |
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size_t nbytes = 0; |
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struct tm *lt = localtime(&CurrentTime); |
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|
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nbytes = strftime(buf, sizeof(buf), "[%FT%H:%M:%S%z] ", lt); |
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snprintf(buf+nbytes, sizeof(buf)-nbytes, "%s\n", message); |
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|
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fputs(buf, log_type_table[type].file); |
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fflush(log_type_table[type].file); |
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} |
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|
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void |
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ilog(enum log_type type, const char *fmt, ...) |
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{ |
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char buf[LOG_BUFSIZE]; |
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va_list args; |
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|
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if (log_type_table[type].file == NULL) |
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return; |
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|
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va_start(args, fmt); |
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vsnprintf(buf, sizeof(buf), fmt, args); |
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va_end(args); |
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|
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if (ConfigLoggingEntry.use_logging) |
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{ |
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write_log(type, buf); |
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|
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if (log_exceed_size(type) <= 0) |
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return; |
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|
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snprintf(buf, sizeof(buf), "Rotating logfile %s", |
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log_type_table[type].path); |
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write_log(type, buf); |
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fclose(log_type_table[type].file); |
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log_type_table[type].file = NULL; |
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|
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snprintf(buf, sizeof(buf), "%s.old", log_type_table[type].path); |
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unlink(buf); |
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rename(log_type_table[type].path, buf); |
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log_add_file(type, log_type_table[type].size, log_type_table[type].path); |
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} |
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} |
