1 /* Copyright (c) 2008, 2009, 2010 Nicira Networks
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at:
7 * http://www.apache.org/licenses/LICENSE-2.0
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
30 #include "command-line.h"
34 #include "leak-checker.h"
36 #include "ovsdb-idl.h"
37 #include "poll-loop.h"
38 #include "proc-net-compat.h"
41 #include "stream-ssl.h"
48 #include "vswitchd/vswitch-idl.h"
51 #define THIS_MODULE VLM_vswitchd
53 static unixctl_cb_func ovs_vswitchd_exit;
55 static const char *parse_options(int argc, char *argv[]);
56 static void usage(void) NO_RETURN;
59 main(int argc, char *argv[])
61 struct unixctl_server *unixctl;
62 struct signal *sighup;
63 struct ovsdb_idl *idl;
65 bool need_reconfigure;
67 unsigned int idl_seqno;
70 proctitle_init(argc, argv);
71 set_program_name(argv[0]);
74 remote = parse_options(argc, argv);
75 signal(SIGPIPE, SIG_IGN);
76 sighup = signal_register(SIGHUP);
80 die_if_already_running();
83 retval = unixctl_server_create(NULL, &unixctl);
87 unixctl_command_register("exit", ovs_vswitchd_exit, &exiting);
91 idl = ovsdb_idl_create(remote, &ovsrec_idl_class);
92 idl_seqno = ovsdb_idl_get_seqno(idl);
94 need_reconfigure = false;
98 if (signal_poll(sighup)) {
99 vlog_reopen_log_file();
101 if (inited && bridge_run()) {
102 need_reconfigure = true;
105 if (idl_seqno != ovsdb_idl_get_seqno(idl)) {
106 idl_seqno = ovsdb_idl_get_seqno(idl);
107 need_reconfigure = true;
109 if (need_reconfigure) {
110 const struct ovsrec_open_vswitch *cfg;
112 need_reconfigure = false;
113 cfg = ovsrec_open_vswitch_first(idl);
116 bridge_reconfigure(cfg);
123 unixctl_server_run(unixctl);
132 unixctl_server_wait(unixctl);
142 parse_options(int argc, char *argv[])
145 OPT_PEER_CA_CERT = UCHAR_MAX + 1,
149 LEAK_CHECKER_OPTION_ENUMS,
150 OPT_BOOTSTRAP_CA_CERT
152 static struct option long_options[] = {
153 {"help", no_argument, 0, 'h'},
154 {"version", no_argument, 0, 'V'},
155 {"mlockall", no_argument, 0, OPT_MLOCKALL},
156 {"fake-proc-net", no_argument, 0, OPT_FAKE_PROC_NET},
159 LEAK_CHECKER_LONG_OPTIONS,
161 STREAM_SSL_LONG_OPTIONS
162 {"peer-ca-cert", required_argument, 0, OPT_PEER_CA_CERT},
163 {"bootstrap-ca-cert", required_argument, 0, OPT_BOOTSTRAP_CA_CERT},
167 char *short_options = long_options_to_short_options(long_options);
173 c = getopt_long(argc, argv, short_options, long_options, NULL);
184 OVS_PRINT_VERSION(OFP_VERSION, OFP_VERSION);
189 if (mlockall(MCL_CURRENT | MCL_FUTURE)) {
190 VLOG_ERR("mlockall failed: %s", strerror(errno));
193 VLOG_ERR("mlockall not supported on this system");
197 case OPT_FAKE_PROC_NET:
198 error = proc_net_compat_init();
200 ovs_fatal(error, "failed to initialize /proc/net "
206 DAEMON_OPTION_HANDLERS
207 LEAK_CHECKER_OPTION_HANDLERS
210 STREAM_SSL_OPTION_HANDLERS
212 case OPT_PEER_CA_CERT:
213 stream_ssl_set_peer_ca_cert_file(optarg);
216 case OPT_BOOTSTRAP_CA_CERT:
217 stream_ssl_set_ca_cert_file(optarg, true);
234 ovs_fatal(0, "database socket is only non-option argument; "
235 "use --help for usage");
244 printf("%s: Open vSwitch daemon\n"
245 "usage: %s [OPTIONS] DATABASE\n"
246 "where DATABASE is a socket on which ovsdb-server is listening.\n",
247 program_name, program_name);
248 stream_usage("DATABASE", true, false, true);
251 printf("\nLegacy compatibility options:\n"
252 " --fake-proc-net simulate some files in /proc/net\n"
254 " -h, --help display this help message\n"
255 " -V, --version display version information\n");
256 leak_checker_usage();
261 ovs_vswitchd_exit(struct unixctl_conn *conn, const char *args OVS_UNUSED,
264 bool *exiting = exiting_;
266 unixctl_command_reply(conn, 200, NULL);