1 /* Copyright (c) 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.
25 #include "command-line.h"
31 #include "jsonrpc-server.h"
32 #include "leak-checker.h"
34 #include "ovsdb-error.h"
35 #include "poll-loop.h"
45 #define THIS_MODULE VLM_ovsdb_server
47 static const struct jsonrpc_server_cbs ovsdb_jsonrpc_cbs;
49 static unixctl_cb_func ovsdb_server_exit;
51 static void parse_options(int argc, char *argv[], char **file_namep,
52 struct svec *active, struct svec *passive,
53 char **unixctl_pathp);
54 static void usage(void) NO_RETURN;
57 main(int argc, char *argv[])
59 char *unixctl_path = NULL;
60 struct unixctl_server *unixctl;
61 struct ovsdb_jsonrpc_server *jsonrpc;
62 struct svec active, passive;
63 struct pstream **listeners;
64 struct ovsdb_error *error;
73 set_program_name(argv[0]);
74 register_fault_handlers();
77 signal(SIGPIPE, SIG_IGN);
80 parse_options(argc, argv, &file_name, &active, &passive, &unixctl_path);
82 /* Open all the passive sockets before detaching, to avoid race with
83 * processes that start up later. */
84 listeners = xmalloc(passive.n * sizeof *listeners);
85 for (i = 0; i < passive.n; i++) {
88 error = pstream_open(passive.names[i], &listeners[i]);
90 ovs_fatal(error, "failed to listen on \"%s\"", passive.names[i]);
94 if (get_detach() && is_chdir_enabled()) {
95 /* We need to skip chdir("/") in daemonize() and do it later, because
96 * we need to open the database and possible set up up Unix domain
97 * sockets in the current working directory after we daemonize. We
98 * can't open the database before we daemonize because file locks
99 * aren't inherited by child processes. */
105 die_if_already_running();
108 error = ovsdb_file_open(file_name, false, &db);
110 ovs_fatal(0, "%s", ovsdb_error_to_string(error));
113 jsonrpc = ovsdb_jsonrpc_server_create(db);
114 SVEC_FOR_EACH (i, name, &active) {
115 ovsdb_jsonrpc_server_connect(jsonrpc, name);
117 for (i = 0; i < passive.n; i++) {
118 ovsdb_jsonrpc_server_listen(jsonrpc, listeners[i]);
120 svec_destroy(&active);
121 svec_destroy(&passive);
123 retval = unixctl_server_create(unixctl_path, &unixctl);
125 ovs_fatal(retval, "could not listen for control connections");
128 unixctl_command_register("exit", ovsdb_server_exit, &exiting);
136 ovsdb_jsonrpc_server_run(jsonrpc);
137 unixctl_server_run(unixctl);
138 ovsdb_trigger_run(db, time_msec());
140 ovsdb_jsonrpc_server_wait(jsonrpc);
141 unixctl_server_wait(unixctl);
142 ovsdb_trigger_wait(db, time_msec());
150 ovsdb_server_exit(struct unixctl_conn *conn, const char *args UNUSED,
153 bool *exiting = exiting_;
155 unixctl_command_reply(conn, 200, NULL);
159 parse_options(int argc, char *argv[], char **file_namep,
160 struct svec *active, struct svec *passive,
161 char **unixctl_pathp)
164 OPT_DUMMY = UCHAR_MAX + 1,
169 LEAK_CHECKER_OPTION_ENUMS
171 static struct option long_options[] = {
172 {"connect", required_argument, 0, OPT_CONNECT},
173 {"listen", required_argument, 0, OPT_LISTEN},
174 {"unixctl", required_argument, 0, OPT_UNIXCTL},
175 {"help", no_argument, 0, 'h'},
176 {"version", no_argument, 0, 'V'},
179 LEAK_CHECKER_LONG_OPTIONS,
182 char *short_options = long_options_to_short_options(long_options);
189 c = getopt_long(argc, argv, short_options, long_options, NULL);
196 svec_add(active, optarg);
200 svec_add(passive, optarg);
204 *unixctl_pathp = optarg;
211 OVS_PRINT_VERSION(0, 0);
215 DAEMON_OPTION_HANDLERS
216 LEAK_CHECKER_OPTION_HANDLERS
231 ovs_fatal(0, "database file is only non-option argument; "
232 "use --help for usage");
235 *file_namep = argv[0];
241 printf("%s: Open vSwitch database server\n"
242 "usage: %s [OPTIONS] DATABASE\n"
243 "where DATABASE is a database file in ovsdb format.\n",
244 program_name, program_name);
245 printf("\nJSON-RPC options (may be specified any number of times):\n"
246 " --connect=REMOTE make active connection to REMOTE\n"
247 " --listen=LOCAL passively listen on LOCAL\n");
248 stream_usage("JSON-RPC", true, true);
251 printf("\nOther options:\n"
252 " -h, --help display this help message\n"
253 " -V, --version display version information\n");
254 leak_checker_usage();