1 /* Copyright (c) 2008, 2009 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.
27 #include "command-line.h"
32 #include "leak-checker.h"
34 #include "ovsdb-idl.h"
35 #include "poll-loop.h"
36 #include "proc-net-compat.h"
39 #include "stream-ssl.h"
46 #include "vswitchd/vswitch-idl.h"
49 #define THIS_MODULE VLM_vswitchd
51 static const char *parse_options(int argc, char *argv[]);
52 static void usage(void) NO_RETURN;
55 main(int argc, char *argv[])
57 struct unixctl_server *unixctl;
58 struct signal *sighup;
59 struct ovsdb_idl *idl;
61 bool need_reconfigure;
63 unsigned int idl_seqno;
66 set_program_name(argv[0]);
67 register_fault_handlers();
70 remote = parse_options(argc, argv);
71 signal(SIGPIPE, SIG_IGN);
72 sighup = signal_register(SIGHUP);
75 die_if_already_running();
78 retval = unixctl_server_create(NULL, &unixctl);
80 ovs_fatal(retval, "could not listen for control connections");
85 idl = ovsdb_idl_create(remote, &ovsrec_idl_class);
86 idl_seqno = ovsdb_idl_get_seqno(idl);
88 need_reconfigure = false;
91 if (signal_poll(sighup)) {
92 vlog_reopen_log_file();
94 if (inited && bridge_run()) {
95 need_reconfigure = true;
98 if (idl_seqno != ovsdb_idl_get_seqno(idl)) {
99 idl_seqno = ovsdb_idl_get_seqno(idl);
100 need_reconfigure = true;
102 if (need_reconfigure) {
103 const struct ovsrec_open_vswitch *cfg;
105 need_reconfigure = false;
106 cfg = ovsrec_open_vswitch_first(idl);
109 bridge_reconfigure(cfg);
116 unixctl_server_run(unixctl);
125 unixctl_server_wait(unixctl);
135 parse_options(int argc, char *argv[])
138 OPT_PEER_CA_CERT = UCHAR_MAX + 1,
141 LEAK_CHECKER_OPTION_ENUMS
143 static struct option long_options[] = {
144 {"help", no_argument, 0, 'h'},
145 {"version", no_argument, 0, 'V'},
146 {"fake-proc-net", no_argument, 0, OPT_FAKE_PROC_NET},
149 LEAK_CHECKER_LONG_OPTIONS,
151 STREAM_SSL_LONG_OPTIONS
152 {"peer-ca-cert", required_argument, 0, OPT_PEER_CA_CERT},
156 char *short_options = long_options_to_short_options(long_options);
162 c = getopt_long(argc, argv, short_options, long_options, NULL);
173 OVS_PRINT_VERSION(OFP_VERSION, OFP_VERSION);
176 case OPT_FAKE_PROC_NET:
177 error = proc_net_compat_init();
179 ovs_fatal(error, "failed to initialize /proc/net "
185 DAEMON_OPTION_HANDLERS
186 LEAK_CHECKER_OPTION_HANDLERS
189 STREAM_SSL_OPTION_HANDLERS
191 case OPT_PEER_CA_CERT:
192 stream_ssl_set_peer_ca_cert_file(optarg);
209 ovs_fatal(0, "database socket is only non-option argument; "
210 "use --help for usage");
219 printf("%s: Open vSwitch daemon\n"
220 "usage: %s [OPTIONS] DATABASE\n"
221 "where DATABASE is a socket on which ovsdb-server is listening.\n",
222 program_name, program_name);
223 stream_usage("DATABASE", true, false, true);
226 printf("\nLegacy compatibility options:\n"
227 " --fake-proc-net simulate some files in /proc/net\n"
229 " -h, --help display this help message\n"
230 " -V, --version display version information\n");
231 leak_checker_usage();