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1 | /***************************************************************************** |
2 | Copyright (c) 2006 EMC Corporation. | |
3 | ||
4 | This program is free software; you can redistribute it and/or modify it | |
5 | under the terms of the GNU General Public License as published by the Free | |
6 | Software Foundation; either version 2 of the License, or (at your option) | |
7 | any later version. | |
8 | ||
9 | This program is distributed in the hope that it will be useful, but WITHOUT | |
10 | ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
11 | FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for | |
12 | more details. | |
13 | ||
14 | You should have received a copy of the GNU General Public License along with | |
15 | this program; if not, write to the Free Software Foundation, Inc., 59 | |
16 | Temple Place - Suite 330, Boston, MA 02111-1307, USA. | |
17 | ||
18 | The full GNU General Public License is included in this distribution in the | |
19 | file called LICENSE. | |
20 | ||
21 | Authors: Srinivas Aji <Aji_Srinivas@emc.com> | |
22 | ||
23 | ******************************************************************************/ | |
24 | ||
25 | #include "epoll_loop.h" | |
26 | #include "bridge_ctl.h" | |
27 | #include "ctl_socket_server.h" | |
28 | #include "netif_utils.h" | |
29 | #include "log.h" | |
30 | ||
31 | #include <stdio.h> | |
32 | #include <stdlib.h> | |
33 | #include <unistd.h> | |
34 | #include <getopt.h> | |
35 | #include <syslog.h> | |
36 | ||
37 | static int become_daemon = 1; | |
38 | static int is_daemon = 0; | |
39 | int log_level = LOG_LEVEL_DEFAULT; | |
40 | ||
41 | int main(int argc, char *argv[]) | |
42 | { | |
11904a35 SH |
43 | int c; |
44 | while ((c = getopt(argc, argv, "dv:")) != -1) { | |
45 | switch (c) { | |
46 | case 'd': | |
47 | become_daemon = 0; | |
48 | break; | |
49 | case 'v': | |
50 | { | |
51 | char *end; | |
52 | long l; | |
53 | l = strtoul(optarg, &end, 0); | |
54 | if (*optarg == 0 || *end != 0 | |
55 | || l > LOG_LEVEL_MAX) { | |
56 | ERROR("Invalid loglevel %s", optarg); | |
57 | exit(1); | |
58 | } | |
59 | log_level = l; | |
60 | } | |
61 | break; | |
62 | default: | |
63 | return -1; | |
64 | } | |
65 | } | |
66 | ||
67 | TST(init_epoll() == 0, -1); | |
68 | TST(ctl_socket_init() == 0, -1); | |
ad02a0eb | 69 | |
11904a35 SH |
70 | TST(netsock_init() == 0, -1); |
71 | TST(init_bridge_ops() == 0, -1); | |
72 | if (become_daemon) { | |
73 | openlog("rstpd", 0, LOG_DAEMON); | |
74 | daemon(0, 0); | |
75 | is_daemon = 1; | |
76 | } | |
77 | return epoll_main_loop(); | |
ad02a0eb SH |
78 | } |
79 | ||
80 | /*********************** Logging *********************/ | |
81 | ||
82 | #include <stdarg.h> | |
83 | #include <time.h> | |
84 | ||
11904a35 | 85 | void vDprintf(int level, const char *fmt, va_list ap) |
ad02a0eb | 86 | { |
11904a35 SH |
87 | if (level > log_level) |
88 | return; | |
89 | ||
90 | if (!is_daemon) { | |
91 | char logbuf[256]; | |
92 | logbuf[255] = 0; | |
93 | time_t clock; | |
94 | struct tm *local_tm; | |
95 | time(&clock); | |
96 | local_tm = localtime(&clock); | |
97 | int l = | |
98 | strftime(logbuf, sizeof(logbuf) - 1, "%F %T ", local_tm); | |
99 | vsnprintf(logbuf + l, sizeof(logbuf) - l - 1, fmt, ap); | |
100 | printf("%s\n", logbuf); | |
101 | } else { | |
102 | vsyslog((level <= LOG_LEVEL_INFO) ? LOG_INFO : LOG_DEBUG, fmt, | |
103 | ap); | |
104 | } | |
ad02a0eb SH |
105 | } |
106 | ||
11904a35 | 107 | void Dprintf(int level, const char *fmt, ...) |
ad02a0eb | 108 | { |
11904a35 SH |
109 | va_list ap; |
110 | va_start(ap, fmt); | |
111 | vDprintf(level, fmt, ap); | |
112 | va_end(ap); | |
ad02a0eb | 113 | } |