1 /* Copyright (c) 2009, 2010, 2011, 2012 Nicira, Inc.
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.
24 #include "command-line.h"
28 #include "dynamic-string.h"
33 #include "jsonrpc-server.h"
34 #include "leak-checker.h"
38 #include "ovsdb-data.h"
39 #include "ovsdb-types.h"
40 #include "ovsdb-error.h"
41 #include "poll-loop.h"
45 #include "stream-ssl.h"
51 #include "transaction.h"
57 VLOG_DEFINE_THIS_MODULE(ovsdb_server);
60 /* Initialized in main(). */
62 struct ovsdb_file *file;
65 /* Only used by update_remote_status(). */
66 struct ovsdb_txn *txn;
69 /* SSL configuration. */
70 static char *private_key_file;
71 static char *certificate_file;
72 static char *ca_cert_file;
73 static bool bootstrap_ca_cert;
75 static unixctl_cb_func ovsdb_server_exit;
76 static unixctl_cb_func ovsdb_server_compact;
77 static unixctl_cb_func ovsdb_server_reconnect;
79 static void parse_options(int *argc, char **argvp[],
80 struct sset *remotes, char **unixctl_pathp,
82 static void usage(void) NO_RETURN;
84 static void reconfigure_from_db(struct ovsdb_jsonrpc_server *jsonrpc,
85 const struct db dbs[], size_t n_dbs,
86 struct sset *remotes);
88 static void update_remote_status(const struct ovsdb_jsonrpc_server *jsonrpc,
89 const struct sset *remotes,
90 struct db dbs[], size_t n_dbs);
93 main(int argc, char *argv[])
95 char *unixctl_path = NULL;
96 char *run_command = NULL;
97 struct unixctl_server *unixctl;
98 struct ovsdb_jsonrpc_server *jsonrpc;
100 struct process *run_process;
103 long long int status_timer = LLONG_MIN;
109 proctitle_init(argc, argv);
110 set_program_name(argv[0]);
111 stress_init_command();
112 signal(SIGPIPE, SIG_IGN);
115 parse_options(&argc, &argv, &remotes, &unixctl_path, &run_command);
119 n_dbs = MAX(1, argc);
120 dbs = xcalloc(n_dbs + 1, sizeof *dbs);
122 for (i = 0; i < argc; i++) {
123 dbs[i].filename = argv[i];
126 dbs[0].filename = xasprintf("%s/conf.db", ovs_dbdir());
129 for (i = 0; i < n_dbs; i++) {
130 struct ovsdb_error *error;
132 error = ovsdb_file_open(dbs[i].filename, false,
133 &dbs[i].db, &dbs[i].file);
135 ovs_fatal(0, "%s", ovsdb_error_to_string(error));
139 jsonrpc = ovsdb_jsonrpc_server_create();
140 for (i = 0; i < n_dbs; i++) {
141 if (!ovsdb_jsonrpc_server_add_db(jsonrpc, dbs[i].db)) {
142 ovs_fatal(0, "%s: duplicate database name",
143 dbs[i].db->schema->name);
146 reconfigure_from_db(jsonrpc, dbs, n_dbs, &remotes);
148 retval = unixctl_server_create(unixctl_path, &unixctl);
156 run_argv[0] = "/bin/sh";
158 run_argv[2] = run_command;
161 retval = process_start(run_argv, NULL, 0, NULL, 0, &run_process);
163 ovs_fatal(retval, "%s: process failed to start", run_command);
169 daemonize_complete();
172 /* ovsdb-server is usually a long-running process, in which case it
173 * makes plenty of sense to log the version, but --run makes
174 * ovsdb-server more like a command-line tool, so skip it. */
175 VLOG_INFO("%s (Open vSwitch) %s", program_name, VERSION);
178 unixctl_command_register("exit", "", 0, 0, ovsdb_server_exit, &exiting);
179 unixctl_command_register("ovsdb-server/compact", "", 0, 1,
180 ovsdb_server_compact, dbs);
181 unixctl_command_register("ovsdb-server/reconnect", "", 0, 0,
182 ovsdb_server_reconnect, jsonrpc);
189 if (memory_should_report()) {
193 ovsdb_jsonrpc_server_get_memory_usage(jsonrpc, &usage);
194 for (i = 0; i < n_dbs; i++) {
195 ovsdb_get_memory_usage(dbs[i].db, &usage);
197 memory_report(&usage);
198 simap_destroy(&usage);
201 reconfigure_from_db(jsonrpc, dbs, n_dbs, &remotes);
202 ovsdb_jsonrpc_server_run(jsonrpc);
203 unixctl_server_run(unixctl);
205 for (i = 0; i < n_dbs; i++) {
206 ovsdb_trigger_run(dbs[i].db, time_msec());
208 if (run_process && process_exited(run_process)) {
212 /* update Manager status(es) every 5 seconds */
213 if (time_msec() >= status_timer) {
214 status_timer = time_msec() + 5000;
215 update_remote_status(jsonrpc, &remotes, dbs, n_dbs);
219 ovsdb_jsonrpc_server_wait(jsonrpc);
220 unixctl_server_wait(unixctl);
221 for (i = 0; i < n_dbs; i++) {
222 ovsdb_trigger_wait(dbs[i].db, time_msec());
225 process_wait(run_process);
228 poll_immediate_wake();
230 poll_timer_wait_until(status_timer);
233 ovsdb_jsonrpc_server_destroy(jsonrpc);
234 for (i = 0; i < n_dbs; i++) {
235 ovsdb_destroy(dbs[i].db);
237 sset_destroy(&remotes);
238 unixctl_server_destroy(unixctl);
240 if (run_process && process_exited(run_process)) {
241 int status = process_status(run_process);
243 ovs_fatal(0, "%s: child exited, %s",
244 run_command, process_status_msg(status));
251 static const struct db *
252 find_db(const struct db dbs[], size_t n_dbs, const char *db_name)
256 for (i = 0; i < n_dbs; i++) {
257 if (!strcmp(dbs[i].db->schema->name, db_name)) {
266 parse_db_column(const struct db dbs[], size_t n_dbs,
268 const struct db **dbp,
269 const struct ovsdb_table **tablep,
270 const struct ovsdb_column **columnp)
272 const char *table_name, *column_name;
273 const struct ovsdb_column *column;
274 const struct ovsdb_table *table;
275 const char *tokens[3];
276 char *save_ptr = NULL;
280 name = xstrdup(name_);
281 strtok_r(name, ":", &save_ptr); /* "db:" */
282 tokens[0] = strtok_r(NULL, ",", &save_ptr);
283 tokens[1] = strtok_r(NULL, ",", &save_ptr);
284 tokens[2] = strtok_r(NULL, ",", &save_ptr);
285 if (!tokens[0] || !tokens[1]) {
286 ovs_fatal(0, "\"%s\": invalid syntax", name_);
289 const char *db_name = tokens[0];
290 table_name = tokens[1];
291 column_name = tokens[2];
293 db = find_db(dbs, n_dbs, tokens[0]);
295 ovs_fatal(0, "\"%s\": no database named %s", name_, db_name);
299 ovs_fatal(0, "\"%s\": database name must be specified (because "
300 "multiple databases are configured)", name_);
303 table_name = tokens[0];
304 column_name = tokens[1];
308 table = ovsdb_get_table(db->db, table_name);
310 ovs_fatal(0, "\"%s\": no table named %s", name_, table_name);
313 column = ovsdb_table_schema_get_column(table->schema, column_name);
315 ovs_fatal(0, "\"%s\": table \"%s\" has no column \"%s\"",
316 name_, table_name, column_name);
326 parse_db_string_column(const struct db dbs[], size_t n_dbs,
328 const struct db **dbp,
329 const struct ovsdb_table **tablep,
330 const struct ovsdb_column **columnp)
332 const struct ovsdb_column *column;
333 const struct ovsdb_table *table;
336 parse_db_column(dbs, n_dbs, name, &db, &table, &column);
338 if (column->type.key.type != OVSDB_TYPE_STRING
339 || column->type.value.type != OVSDB_TYPE_VOID) {
340 ovs_fatal(0, "\"%s\": table \"%s\" column \"%s\" is "
341 "not string or set of strings",
342 name, table->schema->name, column->name);
350 static OVS_UNUSED const char *
351 query_db_string(const struct db dbs[], size_t n_dbs, const char *name)
353 if (!name || strncmp(name, "db:", 3)) {
356 const struct ovsdb_column *column;
357 const struct ovsdb_table *table;
358 const struct ovsdb_row *row;
361 parse_db_string_column(dbs, n_dbs, name, &db, &table, &column);
363 HMAP_FOR_EACH (row, hmap_node, &table->rows) {
364 const struct ovsdb_datum *datum;
367 datum = &row->fields[column->index];
368 for (i = 0; i < datum->n; i++) {
369 if (datum->keys[i].string[0]) {
370 return datum->keys[i].string;
378 static struct ovsdb_jsonrpc_options *
379 add_remote(struct shash *remotes, const char *target)
381 struct ovsdb_jsonrpc_options *options;
383 options = shash_find_data(remotes, target);
385 options = ovsdb_jsonrpc_default_options(target);
386 shash_add(remotes, target, options);
392 static struct ovsdb_datum *
393 get_datum(struct ovsdb_row *row, const char *column_name,
394 const enum ovsdb_atomic_type key_type,
395 const enum ovsdb_atomic_type value_type,
398 static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 1);
399 const struct ovsdb_table_schema *schema = row->table->schema;
400 const struct ovsdb_column *column;
402 column = ovsdb_table_schema_get_column(schema, column_name);
404 VLOG_DBG_RL(&rl, "Table `%s' has no `%s' column",
405 schema->name, column_name);
409 if (column->type.key.type != key_type
410 || column->type.value.type != value_type
411 || column->type.n_max != n_max) {
412 if (!VLOG_DROP_DBG(&rl)) {
413 char *type_name = ovsdb_type_to_english(&column->type);
414 VLOG_DBG("Table `%s' column `%s' has type %s, not expected "
415 "key type %s, value type %s, max elements %zd.",
416 schema->name, column_name, type_name,
417 ovsdb_atomic_type_to_string(key_type),
418 ovsdb_atomic_type_to_string(value_type),
425 return &row->fields[column->index];
428 /* Read string-string key-values from a map. Returns the value associated with
429 * 'key', if found, or NULL */
431 read_map_string_column(const struct ovsdb_row *row, const char *column_name,
434 const struct ovsdb_datum *datum;
435 union ovsdb_atom *atom_key = NULL, *atom_value = NULL;
438 datum = get_datum(CONST_CAST(struct ovsdb_row *, row), column_name,
439 OVSDB_TYPE_STRING, OVSDB_TYPE_STRING, UINT_MAX);
445 for (i = 0; i < datum->n; i++) {
446 atom_key = &datum->keys[i];
447 if (!strcmp(atom_key->string, key)){
448 atom_value = &datum->values[i];
453 return atom_value ? atom_value->string : NULL;
456 static const union ovsdb_atom *
457 read_column(const struct ovsdb_row *row, const char *column_name,
458 enum ovsdb_atomic_type type)
460 const struct ovsdb_datum *datum;
462 datum = get_datum(CONST_CAST(struct ovsdb_row *, row), column_name, type,
464 return datum && datum->n ? datum->keys : NULL;
468 read_integer_column(const struct ovsdb_row *row, const char *column_name,
469 long long int *integerp)
471 const union ovsdb_atom *atom;
473 atom = read_column(row, column_name, OVSDB_TYPE_INTEGER);
474 *integerp = atom ? atom->integer : 0;
479 read_string_column(const struct ovsdb_row *row, const char *column_name,
480 const char **stringp)
482 const union ovsdb_atom *atom;
484 atom = read_column(row, column_name, OVSDB_TYPE_STRING);
485 *stringp = atom ? atom->string : NULL;
490 write_bool_column(struct ovsdb_row *row, const char *column_name, bool value)
492 const struct ovsdb_column *column;
493 struct ovsdb_datum *datum;
495 column = ovsdb_table_schema_get_column(row->table->schema, column_name);
496 datum = get_datum(row, column_name, OVSDB_TYPE_BOOLEAN,
503 ovsdb_datum_destroy(datum, &column->type);
506 datum->keys = xmalloc(sizeof *datum->keys);
507 datum->values = NULL;
510 datum->keys[0].boolean = value;
514 write_string_string_column(struct ovsdb_row *row, const char *column_name,
515 char **keys, char **values, size_t n)
517 const struct ovsdb_column *column;
518 struct ovsdb_datum *datum;
521 column = ovsdb_table_schema_get_column(row->table->schema, column_name);
522 datum = get_datum(row, column_name, OVSDB_TYPE_STRING, OVSDB_TYPE_STRING,
525 for (i = 0; i < n; i++) {
532 /* Free existing data. */
533 ovsdb_datum_destroy(datum, &column->type);
535 /* Allocate space for new values. */
537 datum->keys = xmalloc(n * sizeof *datum->keys);
538 datum->values = xmalloc(n * sizeof *datum->values);
540 for (i = 0; i < n; ++i) {
541 datum->keys[i].string = keys[i];
542 datum->values[i].string = values[i];
545 /* Sort and check constraints. */
546 ovsdb_datum_sort_assert(datum, column->type.key.type);
549 /* Adds a remote and options to 'remotes', based on the Manager table row in
552 add_manager_options(struct shash *remotes, const struct ovsdb_row *row)
554 static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 1);
555 struct ovsdb_jsonrpc_options *options;
556 long long int max_backoff, probe_interval;
557 const char *target, *dscp_string;
559 if (!read_string_column(row, "target", &target) || !target) {
560 VLOG_INFO_RL(&rl, "Table `%s' has missing or invalid `target' column",
561 row->table->schema->name);
565 options = add_remote(remotes, target);
566 if (read_integer_column(row, "max_backoff", &max_backoff)) {
567 options->max_backoff = max_backoff;
569 if (read_integer_column(row, "inactivity_probe", &probe_interval)) {
570 options->probe_interval = probe_interval;
573 options->dscp = DSCP_DEFAULT;
574 dscp_string = read_map_string_column(row, "other_config", "dscp");
576 int dscp = atoi(dscp_string);
577 if (dscp >= 0 && dscp <= 63) {
578 options->dscp = dscp;
584 query_db_remotes(const char *name, const struct db dbs[], size_t n_dbs,
585 struct shash *remotes)
587 const struct ovsdb_column *column;
588 const struct ovsdb_table *table;
589 const struct ovsdb_row *row;
592 parse_db_column(dbs, n_dbs, name, &db, &table, &column);
594 if (column->type.key.type == OVSDB_TYPE_STRING
595 && column->type.value.type == OVSDB_TYPE_VOID) {
596 HMAP_FOR_EACH (row, hmap_node, &table->rows) {
597 const struct ovsdb_datum *datum;
600 datum = &row->fields[column->index];
601 for (i = 0; i < datum->n; i++) {
602 add_remote(remotes, datum->keys[i].string);
605 } else if (column->type.key.type == OVSDB_TYPE_UUID
606 && column->type.key.u.uuid.refTable
607 && column->type.value.type == OVSDB_TYPE_VOID) {
608 const struct ovsdb_table *ref_table = column->type.key.u.uuid.refTable;
609 HMAP_FOR_EACH (row, hmap_node, &table->rows) {
610 const struct ovsdb_datum *datum;
613 datum = &row->fields[column->index];
614 for (i = 0; i < datum->n; i++) {
615 const struct ovsdb_row *ref_row;
617 ref_row = ovsdb_table_get_row(ref_table, &datum->keys[i].uuid);
619 add_manager_options(remotes, ref_row);
627 update_remote_row(const struct ovsdb_row *row, struct ovsdb_txn *txn,
628 const struct ovsdb_jsonrpc_server *jsonrpc)
630 struct ovsdb_jsonrpc_remote_status status;
631 struct ovsdb_row *rw_row;
633 char *keys[8], *values[8];
636 /* Get the "target" (protocol/host/port) spec. */
637 if (!read_string_column(row, "target", &target)) {
638 /* Bad remote spec or incorrect schema. */
641 rw_row = ovsdb_txn_row_modify(txn, row);
642 ovsdb_jsonrpc_server_get_remote_status(jsonrpc, target, &status);
644 /* Update status information columns. */
645 write_bool_column(rw_row, "is_connected", status.is_connected);
648 keys[n] = xstrdup("state");
649 values[n++] = xstrdup(status.state);
651 if (status.sec_since_connect != UINT_MAX) {
652 keys[n] = xstrdup("sec_since_connect");
653 values[n++] = xasprintf("%u", status.sec_since_connect);
655 if (status.sec_since_disconnect != UINT_MAX) {
656 keys[n] = xstrdup("sec_since_disconnect");
657 values[n++] = xasprintf("%u", status.sec_since_disconnect);
659 if (status.last_error) {
660 keys[n] = xstrdup("last_error");
662 xstrdup(ovs_retval_to_string(status.last_error));
664 if (status.locks_held && status.locks_held[0]) {
665 keys[n] = xstrdup("locks_held");
666 values[n++] = xstrdup(status.locks_held);
668 if (status.locks_waiting && status.locks_waiting[0]) {
669 keys[n] = xstrdup("locks_waiting");
670 values[n++] = xstrdup(status.locks_waiting);
672 if (status.locks_lost && status.locks_lost[0]) {
673 keys[n] = xstrdup("locks_lost");
674 values[n++] = xstrdup(status.locks_lost);
676 if (status.n_connections > 1) {
677 keys[n] = xstrdup("n_connections");
678 values[n++] = xasprintf("%d", status.n_connections);
680 write_string_string_column(rw_row, "status", keys, values, n);
682 ovsdb_jsonrpc_server_free_remote_status(&status);
686 update_remote_rows(const struct db dbs[], size_t n_dbs,
687 const char *remote_name,
688 const struct ovsdb_jsonrpc_server *jsonrpc)
690 const struct ovsdb_table *table, *ref_table;
691 const struct ovsdb_column *column;
692 const struct ovsdb_row *row;
695 if (strncmp("db:", remote_name, 3)) {
699 parse_db_column(dbs, n_dbs, remote_name, &db, &table, &column);
701 if (column->type.key.type != OVSDB_TYPE_UUID
702 || !column->type.key.u.uuid.refTable
703 || column->type.value.type != OVSDB_TYPE_VOID) {
707 ref_table = column->type.key.u.uuid.refTable;
709 HMAP_FOR_EACH (row, hmap_node, &table->rows) {
710 const struct ovsdb_datum *datum;
713 datum = &row->fields[column->index];
714 for (i = 0; i < datum->n; i++) {
715 const struct ovsdb_row *ref_row;
717 ref_row = ovsdb_table_get_row(ref_table, &datum->keys[i].uuid);
719 update_remote_row(ref_row, db->txn, jsonrpc);
726 update_remote_status(const struct ovsdb_jsonrpc_server *jsonrpc,
727 const struct sset *remotes,
728 struct db dbs[], size_t n_dbs)
730 static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 1);
734 for (i = 0; i < n_dbs; i++) {
735 dbs[i].txn = ovsdb_txn_create(dbs[i].db);
738 /* Iterate over --remote arguments given on command line. */
739 SSET_FOR_EACH (remote, remotes) {
740 update_remote_rows(dbs, n_dbs, remote, jsonrpc);
743 for (i = 0; i < n_dbs; i++) {
744 struct ovsdb_error *error = ovsdb_txn_commit(dbs[i].txn, false);
746 VLOG_ERR_RL(&rl, "Failed to update remote status: %s",
747 ovsdb_error_to_string(error));
748 ovsdb_error_destroy(error);
753 /* Reconfigures ovsdb-server based on information in the database. */
755 reconfigure_from_db(struct ovsdb_jsonrpc_server *jsonrpc,
756 const struct db dbs[], size_t n_dbs, struct sset *remotes)
758 struct shash resolved_remotes;
761 /* Configure remotes. */
762 shash_init(&resolved_remotes);
763 SSET_FOR_EACH (name, remotes) {
764 if (!strncmp(name, "db:", 3)) {
765 query_db_remotes(name, dbs, n_dbs, &resolved_remotes);
767 add_remote(&resolved_remotes, name);
770 ovsdb_jsonrpc_server_set_remotes(jsonrpc, &resolved_remotes);
771 shash_destroy_free_data(&resolved_remotes);
774 stream_ssl_set_key_and_cert(query_db_string(dbs, n_dbs, private_key_file),
775 query_db_string(dbs, n_dbs, certificate_file));
776 stream_ssl_set_ca_cert_file(query_db_string(dbs, n_dbs, ca_cert_file),
781 ovsdb_server_exit(struct unixctl_conn *conn, int argc OVS_UNUSED,
782 const char *argv[] OVS_UNUSED,
785 bool *exiting = exiting_;
787 unixctl_command_reply(conn, NULL);
791 ovsdb_server_compact(struct unixctl_conn *conn, int argc,
792 const char *argv[], void *dbs_)
794 struct db *dbs = dbs_;
800 for (db = dbs; db->filename != NULL; db++) {
801 const char *name = db->db->schema->name;
803 if (argc < 2 || !strcmp(argv[1], name)) {
804 struct ovsdb_error *error;
806 VLOG_INFO("compacting %s database by user request", name);
808 error = ovsdb_file_compact(db->file);
810 char *s = ovsdb_error_to_string(error);
811 ds_put_format(&reply, "%s\n", s);
820 unixctl_command_reply_error(conn, "no database by that name");
821 } else if (reply.length) {
822 unixctl_command_reply_error(conn, ds_cstr(&reply));
824 unixctl_command_reply(conn, NULL);
829 /* "ovsdb-server/reconnect": makes ovsdb-server drop all of its JSON-RPC
830 * connections and reconnect. */
832 ovsdb_server_reconnect(struct unixctl_conn *conn, int argc OVS_UNUSED,
833 const char *argv[] OVS_UNUSED, void *jsonrpc_)
835 struct ovsdb_jsonrpc_server *jsonrpc = jsonrpc_;
837 ovsdb_jsonrpc_server_reconnect(jsonrpc);
838 unixctl_command_reply(conn, NULL);
842 parse_options(int *argcp, char **argvp[],
843 struct sset *remotes, char **unixctl_pathp, char **run_command)
846 OPT_REMOTE = UCHAR_MAX + 1,
849 OPT_BOOTSTRAP_CA_CERT,
852 LEAK_CHECKER_OPTION_ENUMS,
855 static struct option long_options[] = {
856 {"remote", required_argument, NULL, OPT_REMOTE},
857 {"unixctl", required_argument, NULL, OPT_UNIXCTL},
858 {"run", required_argument, NULL, OPT_RUN},
859 {"help", no_argument, NULL, 'h'},
860 {"version", no_argument, NULL, 'V'},
863 LEAK_CHECKER_LONG_OPTIONS,
864 {"bootstrap-ca-cert", required_argument, NULL, OPT_BOOTSTRAP_CA_CERT},
865 {"private-key", required_argument, NULL, 'p'},
866 {"certificate", required_argument, NULL, 'c'},
867 {"ca-cert", required_argument, NULL, 'C'},
868 {"enable-dummy", optional_argument, NULL, OPT_ENABLE_DUMMY},
871 char *short_options = long_options_to_short_options(long_options);
873 char **argv = *argvp;
879 c = getopt_long(argc, argv, short_options, long_options, NULL);
886 sset_add(remotes, optarg);
890 *unixctl_pathp = optarg;
894 *run_command = optarg;
901 ovs_print_version(0, 0);
905 DAEMON_OPTION_HANDLERS
906 LEAK_CHECKER_OPTION_HANDLERS
909 private_key_file = optarg;
913 certificate_file = optarg;
917 ca_cert_file = optarg;
918 bootstrap_ca_cert = false;
921 case OPT_BOOTSTRAP_CA_CERT:
922 ca_cert_file = optarg;
923 bootstrap_ca_cert = true;
926 case OPT_ENABLE_DUMMY:
927 dummy_enable(optarg && !strcmp(optarg, "override"));
946 printf("%s: Open vSwitch database server\n"
947 "usage: %s [OPTIONS] [DATABASE...]\n"
948 "where each DATABASE is a database file in ovsdb format.\n"
949 "The default DATABASE, if none is given, is\n%s/conf.db.\n",
950 program_name, program_name, ovs_dbdir());
951 printf("\nJSON-RPC options (may be specified any number of times):\n"
952 " --remote=REMOTE connect or listen to REMOTE\n");
953 stream_usage("JSON-RPC", true, true, true);
956 printf("\nOther options:\n"
957 " --run COMMAND run COMMAND as subprocess then exit\n"
958 " --unixctl=SOCKET override default control socket name\n"
959 " -h, --help display this help message\n"
960 " -V, --version display version information\n");
961 leak_checker_usage();