Matt McCutchen's Web Site - rsync/rsync.git/blame_incremental

... / ...

Commit	Line	Data
	1	/*
	2	Copyright (C) Andrew Tridgell 1998
	3
	4	This program is free software; you can redistribute it and/or modify
	5	it under the terms of the GNU General Public License as published by
	6	the Free Software Foundation; either version 2 of the License, or
	7	(at your option) any later version.
	8
	9	This program is distributed in the hope that it will be useful,
	10	but WITHOUT ANY WARRANTY; without even the implied warranty of
	11	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	12	GNU General Public License for more details.
	13
	14	You should have received a copy of the GNU General Public License
	15	along with this program; if not, write to the Free Software
	16	Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
	17	*/
	18
	19	/*
	20	logging and utility functions
	21
	22	tridge, May 1998
	23	*/
	24	#include "rsync.h"
	25
	26	static FILE *logfile;
	27
	28	static void logit(int priority, char *buf)
	29	{
	30	if (logfile) {
	31	fprintf(logfile,"%s", buf);
	32	fflush(logfile);
	33	} else {
	34	syslog(priority, "%s", buf);
	35	}
	36	}
	37
	38	void log_open(void)
	39	{
	40	static int initialised;
	41	int options = LOG_PID;
	42	time_t t;
	43
	44	if (initialised) return;
	45	initialised = 1;
	46
	47	if (lp_log_file()) {
	48	logfile = fopen(lp_log_file(), "a");
	49	return;
	50	}
	51
	52	#ifdef LOG_NDELAY
	53	options \|= LOG_NDELAY;
	54	#endif
	55
	56	#ifdef LOG_DAEMON
	57	openlog("rsyncd", options, lp_syslog_facility());
	58	#else
	59	openlog("rsyncd", options);
	60	#endif
	61
	62	#ifndef LOG_NDELAY
	63	logit(LOG_INFO,"rsyncd started\n");
	64	#endif
	65
	66	/* this looks pointless, but it is needed in order for the
	67	C library on some systems to fetch the timezone info
	68	before the chroot */
	69	t = time(NULL);
	70	localtime(&t);
	71	}
	72
	73
	74	/* this is the rsync debugging function. Call it with FINFO or FERROR */
	75	void rprintf(int fd, const char *format, ...)
	76	{
	77	va_list ap;
	78	char buf[1024];
	79	int len;
	80	FILE *f=NULL;
	81	extern int am_daemon;
	82	/* recursion can happen with certain fatal conditions */
	83	static int depth;
	84
	85	if (depth) return;
	86
	87	depth++;
	88
	89	va_start(ap, format);
	90	len = vslprintf(buf, sizeof(buf)-1, format, ap);
	91	va_end(ap);
	92
	93	if (len < 0) exit_cleanup(1);
	94
	95	if (len > sizeof(buf)-1) exit_cleanup(1);
	96
	97	buf[len] = 0;
	98
	99	if (am_daemon) {
	100	int priority = LOG_INFO;
	101	if (fd == FERROR) priority = LOG_WARNING;
	102
	103	log_open();
	104	if (!io_multiplex_write(fd, buf, strlen(buf))) {
	105	logit(priority, buf);
	106	}
	107
	108	depth--;
	109	return;
	110	}
	111
	112	if (fd == FERROR) {
	113	f = stderr;
	114	}
	115
	116	if (fd == FINFO) {
	117	extern int am_server;
	118	if (am_server)
	119	f = stderr;
	120	else
	121	f = stdout;
	122	}
	123
	124	if (!f) exit_cleanup(1);
	125
	126	if (fwrite(buf, len, 1, f) != 1) exit_cleanup(1);
	127
	128	if (buf[len-1] == '\r' \|\| buf[len-1] == '\n') fflush(f);
	129
	130	depth--;
	131	}
	132
	133	void rflush(int fd)
	134	{
	135	FILE *f = NULL;
	136	extern int am_daemon;
	137
	138	if (am_daemon) {
	139	return;
	140	}
	141
	142	if (fd == FERROR) {
	143	f = stderr;
	144	}
	145
	146	if (fd == FINFO) {
	147	extern int am_server;
	148	if (am_server)
	149	f = stderr;
	150	else
	151	f = stdout;
	152	}
	153
	154	if (!f) exit_cleanup(1);
	155	fflush(f);
	156	}
	157