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 unixctl_cb_func ovsdb_server_exit;
49 static void parse_options(int argc, char *argv[], char **file_namep,
50 struct svec *active, struct svec *passive,
51 char **unixctl_pathp);
52 static void usage(void) NO_RETURN;
55 main(int argc, char *argv[])
57 char *unixctl_path = NULL;
58 struct unixctl_server *unixctl;
59 struct ovsdb_jsonrpc_server *jsonrpc;
60 struct svec active, passive;
61 struct pstream **listeners;
62 struct ovsdb_error *error;
71 set_program_name(argv[0]);
72 register_fault_handlers();
75 signal(SIGPIPE, SIG_IGN);
78 parse_options(argc, argv, &file_name, &active, &passive, &unixctl_path);
80 /* Open all the passive sockets before detaching, to avoid race with
81 * processes that start up later. */
82 listeners = xmalloc(passive.n * sizeof *listeners);
83 for (i = 0; i < passive.n; i++) {
86 error = pstream_open(passive.names[i], &listeners[i]);
88 ovs_fatal(error, "failed to listen on \"%s\"", passive.names[i]);
92 if (get_detach() && is_chdir_enabled()) {
93 /* We need to skip chdir("/") in daemonize() and do it later, because
94 * we need to open the database and possible set up up Unix domain
95 * sockets in the current working directory after we daemonize. We
96 * can't open the database before we daemonize because file locks
97 * aren't inherited by child processes. */
103 die_if_already_running();
106 error = ovsdb_file_open(file_name, false, &db);
108 ovs_fatal(0, "%s", ovsdb_error_to_string(error));
111 jsonrpc = ovsdb_jsonrpc_server_create(db);
112 SVEC_FOR_EACH (i, name, &active) {
113 ovsdb_jsonrpc_server_connect(jsonrpc, name);
115 for (i = 0; i < passive.n; i++) {
116 ovsdb_jsonrpc_server_listen(jsonrpc, listeners[i]);
118 svec_destroy(&active);
119 svec_destroy(&passive);
121 retval = unixctl_server_create(unixctl_path, &unixctl);
123 ovs_fatal(retval, "could not listen for control connections");
126 unixctl_command_register("exit", ovsdb_server_exit, &exiting);
134 ovsdb_jsonrpc_server_run(jsonrpc);
135 unixctl_server_run(unixctl);
136 ovsdb_trigger_run(db, time_msec());
138 ovsdb_jsonrpc_server_wait(jsonrpc);
139 unixctl_server_wait(unixctl);
140 ovsdb_trigger_wait(db, time_msec());
148 ovsdb_server_exit(struct unixctl_conn *conn, const char *args UNUSED,
151 bool *exiting = exiting_;
153 unixctl_command_reply(conn, 200, NULL);
157 parse_options(int argc, char *argv[], char **file_namep,
158 struct svec *active, struct svec *passive,
159 char **unixctl_pathp)
162 OPT_DUMMY = UCHAR_MAX + 1,
167 LEAK_CHECKER_OPTION_ENUMS
169 static struct option long_options[] = {
170 {"connect", required_argument, 0, OPT_CONNECT},
171 {"listen", required_argument, 0, OPT_LISTEN},
172 {"unixctl", required_argument, 0, OPT_UNIXCTL},
173 {"help", no_argument, 0, 'h'},
174 {"version", no_argument, 0, 'V'},
177 LEAK_CHECKER_LONG_OPTIONS,
180 char *short_options = long_options_to_short_options(long_options);
187 c = getopt_long(argc, argv, short_options, long_options, NULL);
194 svec_add(active, optarg);
198 svec_add(passive, optarg);
202 *unixctl_pathp = optarg;
209 OVS_PRINT_VERSION(0, 0);
213 DAEMON_OPTION_HANDLERS
214 LEAK_CHECKER_OPTION_HANDLERS
229 ovs_fatal(0, "database file is only non-option argument; "
230 "use --help for usage");
233 *file_namep = argv[0];
239 printf("%s: Open vSwitch database server\n"
240 "usage: %s [OPTIONS] DATABASE\n"
241 "where DATABASE is a database file in ovsdb format.\n",
242 program_name, program_name);
243 printf("\nJSON-RPC options (may be specified any number of times):\n"
244 " --connect=REMOTE make active connection to REMOTE\n"
245 " --listen=LOCAL passively listen on LOCAL\n");
246 stream_usage("JSON-RPC", true, true);
249 printf("\nOther options:\n"
250 " -h, --help display this help message\n"
251 " -V, --version display version information\n");
252 leak_checker_usage();