Commit | Line | Data |
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0b76cd63 AT |
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 | ||
e42c9458 | 26 | |
1a016bfd AT |
27 | void log_open(void) |
28 | { | |
29 | static int initialised; | |
30 | int options = LOG_PID; | |
31 | ||
32 | if (initialised) return; | |
33 | initialised = 1; | |
34 | ||
35 | #ifdef LOG_NDELAY | |
36 | options |= LOG_NDELAY; | |
37 | #endif | |
38 | ||
39 | #ifdef LOG_DAEMON | |
40 | openlog("rsyncd", options, lp_syslog_facility()); | |
41 | #else | |
42 | openlog("rsyncd", options); | |
43 | #endif | |
44 | ||
45 | #ifndef LOG_NDELAY | |
46 | syslog(LOG_INFO,"rsyncd started\n"); | |
47 | #endif | |
48 | } | |
49 | ||
50 | ||
0b76cd63 AT |
51 | /* this is the rsync debugging function. Call it with FINFO or FERROR */ |
52 | void rprintf(int fd, const char *format, ...) | |
53 | { | |
54 | va_list ap; | |
55 | char buf[1024]; | |
56 | int len; | |
57 | FILE *f=NULL; | |
58 | extern int am_daemon; | |
8d9dc9f9 AT |
59 | /* recursion can happen with certain fatal conditions */ |
60 | static int depth; | |
61 | ||
62 | if (depth) return; | |
63 | ||
64 | depth++; | |
0b76cd63 AT |
65 | |
66 | va_start(ap, format); | |
e42c9458 | 67 | len = vslprintf(buf, sizeof(buf)-1, format, ap); |
0b76cd63 AT |
68 | va_end(ap); |
69 | ||
70 | if (len < 0) exit_cleanup(1); | |
71 | ||
45ccc5c0 AT |
72 | if (len > sizeof(buf)-1) exit_cleanup(1); |
73 | ||
ff8b29b8 AT |
74 | buf[len] = 0; |
75 | ||
76 | if (am_daemon) { | |
77 | int priority = LOG_INFO; | |
78 | if (fd == FERROR) priority = LOG_WARNING; | |
45ccc5c0 | 79 | |
1a016bfd | 80 | log_open(); |
8d9dc9f9 AT |
81 | if (!io_multiplex_write(fd, buf, strlen(buf))) { |
82 | syslog(priority, "%s", buf); | |
83 | } | |
84 | ||
85 | depth--; | |
ff8b29b8 | 86 | return; |
0b76cd63 AT |
87 | } |
88 | ||
ff8b29b8 AT |
89 | if (fd == FERROR) { |
90 | f = stderr; | |
91 | } | |
92 | ||
93 | if (fd == FINFO) { | |
94 | extern int am_server; | |
95 | if (am_server) | |
96 | f = stderr; | |
97 | else | |
98 | f = stdout; | |
99 | } | |
100 | ||
0b76cd63 AT |
101 | if (!f) exit_cleanup(1); |
102 | ||
103 | if (fwrite(buf, len, 1, f) != 1) exit_cleanup(1); | |
8d9dc9f9 AT |
104 | |
105 | depth--; | |
0b76cd63 AT |
106 | } |
107 | ||
108 | void rflush(int fd) | |
109 | { | |
110 | FILE *f = NULL; | |
111 | extern int am_daemon; | |
112 | ||
113 | if (am_daemon) { | |
114 | return; | |
115 | } | |
116 | ||
117 | if (fd == FERROR) { | |
118 | f = stderr; | |
119 | } | |
120 | ||
121 | if (fd == FINFO) { | |
122 | extern int am_server; | |
123 | if (am_server) | |
124 | f = stderr; | |
125 | else | |
126 | f = stdout; | |
127 | } | |
128 | ||
129 | if (!f) exit_cleanup(1); | |
130 | fflush(f); | |
131 | } | |
132 |