Annotation of embedaddon/quagga/zebra/test_main.c, revision 1.1.1.1
1.1 misho 1: /* main routine.
2: * Copyright (C) 1997, 98 Kunihiro Ishiguro
3: *
4: * GNU Zebra 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
6: * Free Software Foundation; either version 2, or (at your option) any
7: * later version.
8: *
9: * GNU Zebra is distributed in the hope that it will be useful, but
10: * WITHOUT ANY WARRANTY; without even the implied warranty of
11: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12: * General Public License for more details.
13: *
14: * You should have received a copy of the GNU General Public License
15: * along with GNU Zebra; see the file COPYING. If not, write to the Free
16: * Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
17: * 02111-1307, USA.
18: */
19:
20: #include <zebra.h>
21:
22: #include <lib/version.h>
23: #include "getopt.h"
24: #include "command.h"
25: #include "thread.h"
26: #include "filter.h"
27: #include "memory.h"
28: #include "prefix.h"
29: #include "log.h"
30: #include "privs.h"
31: #include "sigevent.h"
32:
33: #include "zebra/rib.h"
34: #include "zebra/zserv.h"
35: #include "zebra/debug.h"
36: #include "zebra/router-id.h"
37: #include "zebra/interface.h"
38:
39: /* Zebra instance */
40: struct zebra_t zebrad =
41: {
42: .rtm_table_default = 0,
43: };
44:
45: /* process id. */
46: pid_t pid;
47:
48: /* zebra_rib's workqueue hold time. Private export for use by test code only */
49: extern int rib_process_hold_time;
50:
51: /* Pacify zclient.o in libzebra, which expects this variable. */
52: struct thread_master *master;
53:
54: /* Command line options. */
55: struct option longopts[] =
56: {
57: { "batch", no_argument, NULL, 'b'},
58: { "daemon", no_argument, NULL, 'd'},
59: { "config_file", required_argument, NULL, 'f'},
60: { "help", no_argument, NULL, 'h'},
61: { "vty_addr", required_argument, NULL, 'A'},
62: { "vty_port", required_argument, NULL, 'P'},
63: { "version", no_argument, NULL, 'v'},
64: { "rib_hold", required_argument, NULL, 'r'},
65: { 0 }
66: };
67:
68: zebra_capabilities_t _caps_p [] =
69: {
70: ZCAP_NET_ADMIN,
71: ZCAP_SYS_ADMIN,
72: ZCAP_NET_RAW,
73: };
74:
75: /* Default configuration file path. */
76: char config_default[] = SYSCONFDIR DEFAULT_CONFIG_FILE;
77:
78: /* Process ID saved for use by init system */
79: const char *pid_file = PATH_ZEBRA_PID;
80:
81: /* Help information display. */
82: static void
83: usage (char *progname, int status)
84: {
85: if (status != 0)
86: fprintf (stderr, "Try `%s --help' for more information.\n", progname);
87: else
88: {
89: printf ("Usage : %s [OPTION...]\n\n"\
90: "Daemon which manages kernel routing table management and "\
91: "redistribution between different routing protocols.\n\n"\
92: "-b, --batch Runs in batch mode\n"\
93: "-d, --daemon Runs in daemon mode\n"\
94: "-f, --config_file Set configuration file name\n"\
95: "-A, --vty_addr Set vty's bind address\n"\
96: "-P, --vty_port Set vty's port number\n"\
97: "-r, --rib_hold Set rib-queue hold time\n"\
98: "-v, --version Print program version\n"\
99: "-h, --help Display this help and exit\n"\
100: "\n"\
101: "Report bugs to %s\n", progname, ZEBRA_BUG_ADDRESS);
102: }
103:
104: exit (status);
105: }
106:
107: static unsigned int test_ifindex = 0;
108:
109: /* testrib commands */
110: DEFUN (test_interface_state,
111: test_interface_state_cmd,
112: "state (up|down)",
113: "configure interface\n"
114: "up\n"
115: "down\n")
116: {
117: struct interface *ifp;
118: if (argc < 1)
119: return CMD_WARNING;
120:
121: ifp = vty->index;
122: if (ifp->ifindex == IFINDEX_INTERNAL)
123: {
124: ifp->ifindex = ++test_ifindex;
125: ifp->mtu = 1500;
126: ifp->flags = IFF_BROADCAST|IFF_MULTICAST;
127: }
128:
129: switch (argv[0][0])
130: {
131: case 'u':
132: SET_FLAG (ifp->flags, IFF_UP);
133: if_add_update (ifp);
134: printf ("up\n");
135: break;
136: case 'd':
137: UNSET_FLAG (ifp->flags, IFF_UP);
138: if_delete_update (ifp);
139: printf ("down\n");
140: break;
141: default:
142: return CMD_WARNING;
143: }
144: return CMD_SUCCESS;
145: }
146:
147: static void
148: test_cmd_init (void)
149: {
150: install_element (INTERFACE_NODE, &test_interface_state_cmd);
151: }
152:
153: /* SIGHUP handler. */
154: static void
155: sighup (void)
156: {
157: zlog_info ("SIGHUP received");
158:
159: /* Reload of config file. */
160: ;
161: }
162:
163: /* SIGINT handler. */
164: static void
165: sigint (void)
166: {
167: zlog_notice ("Terminating on signal");
168:
169: exit (0);
170: }
171:
172: /* SIGUSR1 handler. */
173: static void
174: sigusr1 (void)
175: {
176: zlog_rotate (NULL);
177: }
178:
179: struct quagga_signal_t zebra_signals[] =
180: {
181: {
182: .signal = SIGHUP,
183: .handler = &sighup,
184: },
185: {
186: .signal = SIGUSR1,
187: .handler = &sigusr1,
188: },
189: {
190: .signal = SIGINT,
191: .handler = &sigint,
192: },
193: {
194: .signal = SIGTERM,
195: .handler = &sigint,
196: },
197: };
198:
199: /* Main startup routine. */
200: int
201: main (int argc, char **argv)
202: {
203: char *p;
204: char *vty_addr = NULL;
205: int vty_port = 0;
206: int batch_mode = 0;
207: int daemon_mode = 0;
208: char *config_file = NULL;
209: char *progname;
210: struct thread thread;
211:
212: /* Set umask before anything for security */
213: umask (0027);
214:
215: /* preserve my name */
216: progname = ((p = strrchr (argv[0], '/')) ? ++p : argv[0]);
217:
218: zlog_default = openzlog (progname, ZLOG_ZEBRA,
219: LOG_CONS|LOG_NDELAY|LOG_PID, LOG_DAEMON);
220:
221: while (1)
222: {
223: int opt;
224:
225: opt = getopt_long (argc, argv, "bdf:hA:P:r:v", longopts, 0);
226:
227: if (opt == EOF)
228: break;
229:
230: switch (opt)
231: {
232: case 0:
233: break;
234: case 'b':
235: batch_mode = 1;
236: case 'd':
237: daemon_mode = 1;
238: break;
239: case 'f':
240: config_file = optarg;
241: break;
242: case 'A':
243: vty_addr = optarg;
244: break;
245: case 'P':
246: /* Deal with atoi() returning 0 on failure, and zebra not
247: listening on zebra port... */
248: if (strcmp(optarg, "0") == 0)
249: {
250: vty_port = 0;
251: break;
252: }
253: vty_port = atoi (optarg);
254: break;
255: case 'r':
256: rib_process_hold_time = atoi(optarg);
257: break;
258: case 'v':
259: print_version (progname);
260: exit (0);
261: break;
262: case 'h':
263: usage (progname, 0);
264: break;
265: default:
266: usage (progname, 1);
267: break;
268: }
269: }
270:
271: /* port and conf file mandatory */
272: if (!vty_port || !config_file)
273: {
274: fprintf (stderr, "Error: --vty_port and --config_file arguments"
275: " are both required\n");
276: usage (progname, 1);
277: }
278:
279: /* Make master thread emulator. */
280: zebrad.master = thread_master_create ();
281:
282: /* Vty related initialize. */
283: signal_init (zebrad.master, Q_SIGC(zebra_signals), zebra_signals);
284: cmd_init (1);
285: vty_init (zebrad.master);
286: memory_init ();
287: if_init();
288: zebra_debug_init ();
289: zebra_if_init ();
290: test_cmd_init ();
291:
292: /* Zebra related initialize. */
293: rib_init ();
294: access_list_init ();
295:
296: /* Make kernel routing socket. */
297: kernel_init ();
298: route_read ();
299: zebra_vty_init();
300:
301: /* Sort VTY commands. */
302: sort_node ();
303:
304: /* Configuration file read*/
305: vty_read_config (config_file, config_default);
306:
307: /* Clean up rib. */
308: rib_weed_tables ();
309:
310: /* Exit when zebra is working in batch mode. */
311: if (batch_mode)
312: exit (0);
313:
314: /* Daemonize. */
315: if (daemon_mode && daemon (0, 0) < 0)
316: {
317: perror("daemon start failed");
318: exit (1);
319: }
320:
321: /* Needed for BSD routing socket. */
322: pid = getpid ();
323:
324: /* Make vty server socket. */
325: vty_serv_sock (vty_addr, vty_port, "/tmp/test_zebra");
326:
327: /* Print banner. */
328: zlog_notice ("Zebra %s starting: vty@%d", QUAGGA_VERSION, vty_port);
329:
330: while (thread_fetch (zebrad.master, &thread))
331: thread_call (&thread);
332:
333: /* Not reached... */
334: return 0;
335: }
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