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.
31 #include "command-line.h"
35 #include "leak-checker.h"
37 #include "ovs-vswitchd.h"
38 #include "poll-loop.h"
40 #include "proc-net-compat.h"
47 #include "vconn-ssl.h"
51 #define THIS_MODULE VLM_vswitchd
53 static void parse_options(int argc, char *argv[]);
54 static void usage(void) NO_RETURN;
55 static void reload(struct unixctl_conn *, const char *args);
57 static bool need_reconfigure;
58 static struct unixctl_conn **conns;
59 static size_t n_conns;
62 main(int argc, char *argv[])
64 struct unixctl_server *unixctl;
65 struct signal *sighup;
68 set_program_name(argv[0]);
69 register_fault_handlers();
72 parse_options(argc, argv);
73 signal(SIGPIPE, SIG_IGN);
74 sighup = signal_register(SIGHUP);
77 die_if_already_running();
80 retval = unixctl_server_create(NULL, &unixctl);
82 ovs_fatal(retval, "could not listen for control connections");
84 unixctl_command_register("vswitchd/reload", reload);
88 ovs_fatal(retval, "could not read config file");
95 need_reconfigure = false;
97 if (need_reconfigure || signal_poll(sighup)) {
98 need_reconfigure = false;
99 vlog_reopen_log_file();
103 need_reconfigure = true;
106 need_reconfigure = true;
108 unixctl_server_run(unixctl);
110 if (need_reconfigure) {
111 poll_immediate_wake();
116 unixctl_server_wait(unixctl);
124 reload(struct unixctl_conn *conn, const char *args UNUSED)
126 need_reconfigure = true;
127 conns = xrealloc(conns, sizeof *conns * (n_conns + 1));
128 conns[n_conns++] = conn;
137 bridge_reconfigure();
141 for (i = 0; i < n_conns; i++) {
142 unixctl_command_reply(conns[i], 202, NULL);
150 parse_options(int argc, char *argv[])
153 OPT_PEER_CA_CERT = UCHAR_MAX + 1,
157 LEAK_CHECKER_OPTION_ENUMS
159 static struct option long_options[] = {
160 {"help", no_argument, 0, 'h'},
161 {"version", no_argument, 0, 'V'},
162 {"mlockall", no_argument, 0, OPT_MLOCKALL},
163 {"fake-proc-net", no_argument, 0, OPT_FAKE_PROC_NET},
166 LEAK_CHECKER_LONG_OPTIONS,
168 VCONN_SSL_LONG_OPTIONS
169 {"peer-ca-cert", required_argument, 0, OPT_PEER_CA_CERT},
173 char *short_options = long_options_to_short_options(long_options);
174 const char *config_file;
180 c = getopt_long(argc, argv, short_options, long_options, NULL);
191 OVS_PRINT_VERSION(OFP_VERSION, OFP_VERSION);
196 if (mlockall(MCL_CURRENT | MCL_FUTURE)) {
197 VLOG_ERR("mlockall failed: %s", strerror(errno));
200 VLOG_ERR("mlockall not supported on this system");
204 case OPT_FAKE_PROC_NET:
205 error = proc_net_compat_init();
207 ovs_fatal(error, "failed to initialize /proc/net "
213 DAEMON_OPTION_HANDLERS
214 VCONN_SSL_OPTION_HANDLERS
215 LEAK_CHECKER_OPTION_HANDLERS
218 case OPT_PEER_CA_CERT:
219 vconn_ssl_set_peer_ca_cert_file(optarg);
236 ovs_fatal(0, "config file is only non-option argument; "
237 "use --help for usage");
241 config_file = argv[0];
242 error = cfg_set_file(config_file);
244 ovs_fatal(error, "failed to add configuration file \"%s\"",
252 printf("%s: virtual switch daemon\n"
253 "usage: %s [OPTIONS] CONFIG\n"
254 "CONFIG is a configuration file in ovs-vswitchd.conf(5) format.\n",
255 program_name, program_name);
258 printf("\nLegacy compatibility options:\n"
259 " --fake-proc-net simulate some files in /proc/net\n"
261 " -h, --help display this help message\n"
262 " -V, --version display version information\n");
263 leak_checker_usage();