1 /* Copyright (c) 2009, 2010 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.
26 #include "command-line.h"
32 #include "jsonrpc-server.h"
33 #include "leak-checker.h"
35 #include "ovsdb-data.h"
36 #include "ovsdb-types.h"
37 #include "ovsdb-error.h"
38 #include "poll-loop.h"
41 #include "stream-ssl.h"
51 #define THIS_MODULE VLM_ovsdb_server
53 static unixctl_cb_func ovsdb_server_exit;
55 static void parse_options(int argc, char *argv[], char **file_namep,
56 struct shash *remotes, char **unixctl_pathp);
57 static void usage(void) NO_RETURN;
59 static void set_remotes(struct ovsdb_jsonrpc_server *jsonrpc,
60 const struct ovsdb *db, struct shash *remotes);
63 main(int argc, char *argv[])
65 char *unixctl_path = NULL;
66 struct unixctl_server *unixctl;
67 struct ovsdb_jsonrpc_server *jsonrpc;
69 struct ovsdb_error *error;
75 set_program_name(argv[0]);
76 register_fault_handlers();
79 signal(SIGPIPE, SIG_IGN);
82 parse_options(argc, argv, &file_name, &remotes, &unixctl_path);
84 die_if_already_running();
87 error = ovsdb_file_open(file_name, false, &db);
89 ovs_fatal(0, "%s", ovsdb_error_to_string(error));
92 jsonrpc = ovsdb_jsonrpc_server_create(db);
93 set_remotes(jsonrpc, db, &remotes);
95 retval = unixctl_server_create(unixctl_path, &unixctl);
97 ovs_fatal(retval, "could not listen for control connections");
100 daemonize_complete();
102 unixctl_command_register("exit", ovsdb_server_exit, &exiting);
106 set_remotes(jsonrpc, db, &remotes);
107 ovsdb_jsonrpc_server_run(jsonrpc);
108 unixctl_server_run(unixctl);
109 ovsdb_trigger_run(db, time_msec());
111 ovsdb_jsonrpc_server_wait(jsonrpc);
112 unixctl_server_wait(unixctl);
113 ovsdb_trigger_wait(db, time_msec());
121 query_db_remotes(const char *name_, const struct ovsdb *db,
122 struct shash *remotes)
124 char *name, *db_prefix, *table_name, *column_name;
125 const struct ovsdb_column *column;
126 const struct ovsdb_table *table;
127 const struct ovsdb_row *row;
128 char *save_ptr = NULL;
130 name = xstrdup(name_);
131 db_prefix = strtok_r(name, ":", &save_ptr);
132 table_name = strtok_r(NULL, ",", &save_ptr);
133 column_name = strtok_r(NULL, ",", &save_ptr);
134 if (!table_name || !column_name) {
135 ovs_fatal(0, "remote \"%s\": invalid syntax", name_);
138 table = ovsdb_get_table(db, table_name);
140 ovs_fatal(0, "remote \"%s\": no table named %s", name_, table_name);
143 column = ovsdb_table_schema_get_column(table->schema, column_name);
145 ovs_fatal(0, "remote \"%s\": table \"%s\" has no column \"%s\"",
146 name_, table_name, column_name);
149 if (column->type.key_type != OVSDB_TYPE_STRING
150 || column->type.value_type != OVSDB_TYPE_VOID) {
151 ovs_fatal(0, "remote \"%s\": type of table \"%s\" column \"%s\" is "
152 "not string or set of strings",
153 name_, table_name, column_name);
156 HMAP_FOR_EACH (row, struct ovsdb_row, hmap_node, &table->rows) {
157 const struct ovsdb_datum *datum;
160 datum = &row->fields[column->index];
161 for (i = 0; i < datum->n; i++) {
162 shash_add_once(remotes, datum->keys[i].string, NULL);
170 set_remotes(struct ovsdb_jsonrpc_server *jsonrpc,
171 const struct ovsdb *db, struct shash *remotes)
173 struct shash resolved_remotes;
174 struct shash_node *node;
176 shash_init(&resolved_remotes);
177 SHASH_FOR_EACH (node, remotes) {
178 const char *name = node->name;
180 if (!strncmp(name, "db:", 3)) {
181 query_db_remotes(name, db, &resolved_remotes);
183 shash_add_once(&resolved_remotes, name, NULL);
186 ovsdb_jsonrpc_server_set_remotes(jsonrpc, &resolved_remotes);
187 shash_destroy(&resolved_remotes);
192 ovsdb_server_exit(struct unixctl_conn *conn, const char *args UNUSED,
195 bool *exiting = exiting_;
197 unixctl_command_reply(conn, 200, NULL);
201 parse_options(int argc, char *argv[], char **file_namep,
202 struct shash *remotes, char **unixctl_pathp)
205 OPT_DUMMY = UCHAR_MAX + 1,
208 OPT_BOOTSTRAP_CA_CERT,
210 LEAK_CHECKER_OPTION_ENUMS
212 static struct option long_options[] = {
213 {"remote", required_argument, 0, OPT_REMOTE},
214 {"unixctl", required_argument, 0, OPT_UNIXCTL},
215 {"help", no_argument, 0, 'h'},
216 {"version", no_argument, 0, 'V'},
219 LEAK_CHECKER_LONG_OPTIONS,
221 {"bootstrap-ca-cert", required_argument, 0, OPT_BOOTSTRAP_CA_CERT},
222 STREAM_SSL_LONG_OPTIONS
226 char *short_options = long_options_to_short_options(long_options);
232 c = getopt_long(argc, argv, short_options, long_options, NULL);
239 shash_add_once(remotes, optarg, NULL);
243 *unixctl_pathp = optarg;
250 OVS_PRINT_VERSION(0, 0);
254 DAEMON_OPTION_HANDLERS
255 LEAK_CHECKER_OPTION_HANDLERS
258 STREAM_SSL_OPTION_HANDLERS
260 case OPT_BOOTSTRAP_CA_CERT:
261 stream_ssl_set_ca_cert_file(optarg, true);
279 ovs_fatal(0, "database file is only non-option argument; "
280 "use --help for usage");
281 } else if (argc < 1) {
282 ovs_fatal(0, "missing database file argument; use --help for usage");
285 *file_namep = argv[0];
291 printf("%s: Open vSwitch database server\n"
292 "usage: %s [OPTIONS] DATABASE\n"
293 "where DATABASE is a database file in ovsdb format.\n",
294 program_name, program_name);
295 printf("\nJSON-RPC options (may be specified any number of times):\n"
296 " --remote=REMOTE connect or listen to REMOTE\n");
297 stream_usage("JSON-RPC", true, true, true);
300 printf("\nOther options:\n"
301 " -h, --help display this help message\n"
302 " -V, --version display version information\n");
303 leak_checker_usage();