bin/rip/whois_rip.c
/* [<][>][^][v][top][bottom][index][help] */
FUNCTIONS
This source file includes following functions.
- error_init
- install_signal_handler
- main
1 /***************************************
2 $Revision: 1.35 $
3
4 Example code: main server code.
5
6 Status: NOT REVUED, TESTED
7
8 Author: Chris Ottrey + pretty much everybody else involved :-)
9
10 +html+ <DL COMPACT>
11 +html+ <DT>Online References:
12 +html+ <DD><UL>
13 +html+ </UL>
14 +html+ </DL>
15
16 ******************/ /******************
17 Modification History:
18 ottrey (09/03/1999) Created.
19 ******************/ /******************
20 Copyright (c) 1993, 1994, 1995, 1996, 1997 The TERENA Association
21 Copyright (c) 1998, 1999, 2000, 2001, 2002 RIPE NCC
22
23 All Rights Reserved
24
25 Permission to use, copy, modify, and distribute this software and its
26 documentation for any purpose and without fee is hereby granted,
27 provided that the above copyright notice appear in all copies and that
28 both that copyright notice and this permission notice appear in
29 supporting documentation, and that the name of the author not be
30 used in advertising or publicity pertaining to distribution of the
31 software without specific, written prior permission.
32
33 THE AUTHOR DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
34 ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS; IN NO EVENT SHALL
35 AUTHOR BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY
36 DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN
37 AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
38 OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
39 ***************************************/
40
41 #include "rip.h"
42 #include <signal.h>
43 #include <unistd.h>
44
45 void error_init(int argc, char ** argv) {
/* [<][>][^][v][top][bottom][index][help] */
46 char *slash;
47 char progname[32];
48
49 slash = strrchr(argv[0],'/');
50 strncpy(progname, (slash != NULL) ? slash+1 : argv[0], 31);
51 progname[31]=0;
52
53
54 ER_init(progname, 1);
55
56 #if 0
57 /* add one more definition */
58 {
59 char *err_msg = NULL;
60 char *buf =
61 "CREATE test { FORMAT SEVCHAR|FACSYMB|TEXTLONG|DATETIME SOCK 2 }"
62 "( FAC rp ASP RP_SRCH_GEN|RP_SRCH_DET|RP_LOAD_GEN SEV d-f ) "
63 "( FAC QI|SQ ASP SQ_QRYTIME | QI_COLL_GEN SEV d-f )"
64 "( FAC PW ASP PW_I_QRYLOG SEV I-f )"
65 "( FAC ALL SEV E- )"
66 /* "( FAC SV ASP SV_PORT SEV d )" */
67 ;
68
69 int parsres = ER_parse_spec(buf, &err_msg);
70
71 if( parsres != 0 ) { /* print only on failure */
72 puts(err_msg);
73 }
74
75 wr_free(err_msg);
76
77 dieif( parsres != 0 );
78 }
79 #endif
80
81 } /* error_init() */
82
83
84 void install_signal_handler()
/* [<][>][^][v][top][bottom][index][help] */
85 {
86 struct sigaction sig;
87 sigset_t sset;
88
89 memset(&sig, 0, sizeof(struct sigaction));
90 sigemptyset(&sset);
91
92 sig.sa_flags = 0;
93 sig.sa_handler = SIG_DFL;
94
95 /* change disposition for the signals to handler */
96 /* this is to avoid signal non delivery in case signal is ignored by parent */
97
98 /* SIGUSR1 will switch the updates on and off */
99 sigaction(SIGUSR1, &sig, NULL);
100
101 /* SIGINT and SIGTERM stop all servers by setting do_server to 0 */
102 sigaction(SIGINT, &sig, NULL);
103 sigaction(SIGTERM, &sig, NULL);
104
105 /* SIGPIPE occurs at uncomfortable times on TCP sockets, so we ignore it.
106 In such a case we still get a -1 from the offending I/O operation, and
107 the errno of EPIPE. */
108 sig.sa_handler = SIG_IGN;
109 sigaction(SIGPIPE, &sig, NULL);
110
111 /* now block the delivery of these signals in other threads */
112 /* this will be inherited by other threads */
113 sigemptyset(&sset);
114 sigaddset(&sset, SIGTERM);
115 sigaddset(&sset, SIGINT);
116 sigaddset(&sset, SIGUSR1);
117 sigaddset(&sset, SIGPIPE);
118 pthread_sigmask(SIG_BLOCK, &sset, NULL);
119
120 }
121
122
123 int main(int argc, char** argv) {
/* [<][>][^][v][top][bottom][index][help] */
124 extern char *optarg;
125 char *prop_file_name;
126 char *pid_file_name;
127 char *result;
128 int c, ret, errflg=0;
129 /* Initialize GLib library to be thread-safe */
130 g_thread_init(NULL);
131 /* parse command line options */
132 prop_file_name = NULL;
133 pid_file_name = NULL;
134 if(argc<5) errflg++;
135
136 while ((c = getopt(argc, argv, "c:p:?")) != EOF)
137 switch (c) {
138 case 'c':
139 prop_file_name = g_strdup(optarg);
140 break;
141 case 'p':
142 pid_file_name = g_strdup(optarg);
143 break;
144 case '?':
145 default :
146 errflg++;
147 }
148 if (errflg || (prop_file_name == NULL) || (pid_file_name == NULL)) {
149 fprintf(stderr,"usage: %s -c config -p pid_file\n", argv[0]);
150 exit (2);
151 }
152
153 install_signal_handler();
154
155 /* Create signal handling thread and block signals for others */
156 /* printf("Starting the signal handler\n");*/
157 TH_create((void *(*)(void *))SV_signal_thread, NULL);
158
159
160 /* Set the constants. */
161 /* fprintf(stderr,"Constants:\n"); */
162 result=CO_set();
163 UT_free(result);
164 fprintf(stderr,"Configuration [%s]:\n", prop_file_name);
165 ca_init(prop_file_name);
166
167 /* Initialize error handling */
168 error_init(argc, argv);
169
170 /* Start the server */
171 ret = SV_start(pid_file_name);
172
173
174 if(ret != 0) return(1); else return(0);
175
176 } /* main() */
177