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.
28 #include "command-line.h"
32 #include "leak-checker.h"
34 #include "ovs-vswitchd.h"
35 #include "poll-loop.h"
37 #include "proc-net-compat.h"
44 #include "vconn-ssl.h"
48 #define THIS_MODULE VLM_vswitchd
50 static void parse_options(int argc, char *argv[]);
51 static void usage(void) NO_RETURN;
52 static void reload(struct unixctl_conn *, const char *args);
54 static bool need_reconfigure;
55 static struct unixctl_conn **conns;
56 static size_t n_conns;
59 main(int argc, char *argv[])
61 struct unixctl_server *unixctl;
62 struct signal *sighup;
65 set_program_name(argv[0]);
66 register_fault_handlers();
69 parse_options(argc, argv);
70 signal(SIGPIPE, SIG_IGN);
71 sighup = signal_register(SIGHUP);
74 die_if_already_running();
77 retval = unixctl_server_create(NULL, &unixctl);
79 ovs_fatal(retval, "could not listen for control connections");
81 unixctl_command_register("vswitchd/reload", reload);
85 ovs_fatal(retval, "could not read config file");
92 need_reconfigure = false;
94 if (need_reconfigure || signal_poll(sighup)) {
95 need_reconfigure = false;
96 vlog_reopen_log_file();
100 need_reconfigure = true;
103 need_reconfigure = true;
105 unixctl_server_run(unixctl);
107 if (need_reconfigure) {
108 poll_immediate_wake();
113 unixctl_server_wait(unixctl);
121 reload(struct unixctl_conn *conn, const char *args UNUSED)
123 need_reconfigure = true;
124 conns = xrealloc(conns, sizeof *conns * (n_conns + 1));
125 conns[n_conns++] = conn;
134 bridge_reconfigure();
138 for (i = 0; i < n_conns; i++) {
139 unixctl_command_reply(conns[i], 202, NULL);
147 parse_options(int argc, char *argv[])
150 OPT_PEER_CA_CERT = UCHAR_MAX + 1,
153 LEAK_CHECKER_OPTION_ENUMS
155 static struct option long_options[] = {
156 {"help", no_argument, 0, 'h'},
157 {"version", no_argument, 0, 'V'},
158 {"fake-proc-net", no_argument, 0, OPT_FAKE_PROC_NET},
161 LEAK_CHECKER_LONG_OPTIONS,
163 VCONN_SSL_LONG_OPTIONS
164 {"peer-ca-cert", required_argument, 0, OPT_PEER_CA_CERT},
168 char *short_options = long_options_to_short_options(long_options);
169 const char *config_file;
175 c = getopt_long(argc, argv, short_options, long_options, NULL);
186 OVS_PRINT_VERSION(OFP_VERSION, OFP_VERSION);
189 case OPT_FAKE_PROC_NET:
190 error = proc_net_compat_init();
192 ovs_fatal(error, "failed to initialize /proc/net "
198 DAEMON_OPTION_HANDLERS
199 VCONN_SSL_OPTION_HANDLERS
200 LEAK_CHECKER_OPTION_HANDLERS
203 case OPT_PEER_CA_CERT:
204 vconn_ssl_set_peer_ca_cert_file(optarg);
221 ovs_fatal(0, "config file is only non-option argument; "
222 "use --help for usage");
226 config_file = argv[0];
227 error = cfg_set_file(config_file);
229 ovs_fatal(error, "failed to add configuration file \"%s\"",
237 printf("%s: virtual switch daemon\n"
238 "usage: %s [OPTIONS] CONFIG\n"
239 "CONFIG is a configuration file in ovs-vswitchd.conf(5) format.\n",
240 program_name, program_name);
243 printf("\nLegacy compatibility options:\n"
244 " --fake-proc-net simulate some files in /proc/net\n"
246 " -h, --help display this help message\n"
247 " -V, --version display version information\n");
248 leak_checker_usage();