logfile.c
上传用户:mei_mei897
上传日期:2007-01-05
资源大小:82k
文件大小:5k
- /* -------------------------------------------------------------------- */
- /* SMS Client, send messages to mobile phones and pagers */
- /* */
- /* logfile.c */
- /* */
- /* Copyright (C) 1997,1998 Angelo Masci */
- /* */
- /* This library is free software; you can redistribute it and/or */
- /* modify it under the terms of the GNU Library General Public */
- /* License as published by the Free Software Foundation; either */
- /* version 2 of the License, or (at your option) any later version. */
- /* */
- /* This library 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 */
- /* Library General Public License for more details. */
- /* */
- /* You should have received a copy of the GNU Library General Public */
- /* License along with this library; if not, write to the Free */
- /* Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
- /* */
- /* You can contact the author at this e-mail address: */
- /* */
- /* angelo@styx.demon.co.uk */
- /* */
- /* -------------------------------------------------------------------- */
- /* $Id: logfile.c,v 5.1 1998/02/01 07:10:39 root Exp $
- -------------------------------------------------------------------- */
- #include <stdio.h>
- #include <stdarg.h>
- #include <time.h>
- #include <unistd.h>
- #include "logfile.h"
- #include "sms_error.h"
- #include "common.h"
- /* -------------------------------------------------------------------- */
- char *ctable[] = {
- "<NUL>", "<SOH>", "<STX>", "<ETX>", "<EOT>",
- "<ENQ>", "<ACK>", "<BEL>", "<BS>", "<HT>",
- "<LF>", "<VT>", "<NP>", "<CR>", "<SO>",
- "<SI>", "<DLE>", "<DC1>", "<DC2>", "<DC3>",
- "<DC4>", "<NAK>", "<SYN>", "<ETB>", "<CAN>",
- "<EM>", "<SUB>", "<ESC>", "<FS>", "<GS>",
- "<RS>", "<US>"
- };
- #define asctostr(X) (ctable[(int)(X)])
- /* -------------------------------------------------------------------- */
- static int console_log = TRUE;
- static int current_loglevel = LOG_STANDARD;
- static char *current_logfile = NULL;
- static FILE *log_fp;
- /* -------------------------------------------------------------------- */
- /* -------------------------------------------------------------------- */
- void set_logfile(char *logfile)
- { current_logfile = logfile;
- }
- /* -------------------------------------------------------------------- */
- /* -------------------------------------------------------------------- */
- void set_loglevel(int loglevel)
- { current_loglevel = loglevel;
- }
- /* -------------------------------------------------------------------- */
- /* -------------------------------------------------------------------- */
- void set_consolelog(int send_to_console_log)
- { console_log = send_to_console_log;
- }
- /* -------------------------------------------------------------------- */
- /* -------------------------------------------------------------------- */
- void open_log(void)
- {
- if (current_logfile == NULL)
- { fprintf(stderr, "ERROR: logfile undefinedn");
- exit(EOPENLOG);
- }
- log_fp = fopen(current_logfile, "a");
- if (log_fp == NULL)
- {
- fprintf(stderr, "ERROR: Opening logfile: %sn", current_logfile);
- fflush(stderr);
- exit(EOPENLOG);
- }
- }
- /* -------------------------------------------------------------------- */
- /* -------------------------------------------------------------------- */
- void close_log(void)
- {
- if (log_fp != NULL)
- { fclose(log_fp);
- }
- }
- /* -------------------------------------------------------------------- */
- /* -------------------------------------------------------------------- */
- static char *get_current_logtype(int loglevel)
- {
- switch (loglevel)
- {
- case LOG_ERROR:
- return "ERROR";
- case LOG_WARNING:
- return "WARNING";
- }
- return "";
- }
- /* -------------------------------------------------------------------- */
- /* -------------------------------------------------------------------- */
- static char *get_current_date(void)
- {
- static char buf[128];
- time_t ct;
- struct tm
- *ctm;
-
- time(&ct);
- ctm = localtime(&ct);
- strftime(buf, 64, "%b %d %H:%M:%S", ctm);
- return buf;
- }
- /* -------------------------------------------------------------------- */
- /* -------------------------------------------------------------------- */
- void lprintf(int loglevel, const char *fmt, ...)
- {
- va_list args;
- static char line[MAX_LOG_LINE],
- nline[MAX_LOG_LINE * 5]; /* 5 is the maximum */
- /* width of results */
- /* from asctostr() */
-
- char *ptr;
- int i,
- line_len;
-
- /* ---------------------------- */
- if (loglevel > current_loglevel)
- return;
- open_log();
- va_start(args, fmt);
- #if !defined(LINUX)
- vsprintf(line, fmt, args);
- #else
- vsnprintf(line, MAX_LOG_LINE, fmt, args);
- #endif
- va_end(args);
- line_len = sms_strlen(line);
- ptr = nline;
- for (i=0; i<line_len; i++)
- {
- if ((line[i] <= 31) &&
- (line[i] >= 0))
- {
- if ((line[i] == 'n') &&
- (i == (line_len -1)))
- {
- *ptr = 'n';
- ptr++;
- }
- else
- { sms_strcpy(ptr, asctostr(line[i]));
- ptr += sms_strlen(asctostr(line[i]));
- }
- }
- else
- if (line[i] < 0)
- {
- *ptr = ' ';
- ptr++;
- }
- else
- { *ptr = line[i];
- ptr++;
- }
- }
- *ptr = ' ';
- if (console_log)
- {
- if (loglevel > LOG_WARNING)
- {
- fprintf(stdout, "%s", nline);
- fflush(stdout);
- }
- else
- { fprintf(stderr, "%s: %s",
- get_current_logtype(loglevel),
- nline);
- fflush(stderr);
- }
- }
-
- fprintf(log_fp, "%s [%d] %s: %s",
- get_current_date(),
- (int)getpid(),
- get_current_logtype(loglevel),
- nline);
-
- fflush(log_fp);
- close_log();
- }