2 * Copyright (c) 2009, 2010, 2011, 2012 Nicira Networks.
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at:
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
29 #include "command-line.h"
34 #include "dynamic-string.h"
37 #include "lib/table.h"
39 #include "ovsdb-data.h"
40 #include "ovsdb-error.h"
44 #include "stream-ssl.h"
50 VLOG_DEFINE_THIS_MODULE(ovsdb_client);
53 NEED_NONE, /* No JSON-RPC connection or database name needed. */
54 NEED_RPC, /* JSON-RPC connection needed. */
55 NEED_DATABASE /* JSON-RPC connection and database name needed. */
58 struct ovsdb_client_command {
60 enum args_needed need;
63 void (*handler)(struct jsonrpc *rpc, const char *database,
64 int argc, char *argv[]);
67 /* --timestamp: Print a timestamp before each update on "monitor" command? */
68 static bool timestamp;
70 /* Format for table output. */
71 static struct table_style table_style = TABLE_STYLE_DEFAULT;
73 static const struct ovsdb_client_command all_commands[];
75 static void usage(void) NO_RETURN;
76 static void parse_options(int argc, char *argv[]);
77 static struct jsonrpc *open_jsonrpc(const char *server);
78 static void fetch_dbs(struct jsonrpc *, struct sset *dbs);
81 main(int argc, char *argv[])
83 const struct ovsdb_client_command *command;
87 proctitle_init(argc, argv);
88 set_program_name(argv[0]);
89 parse_options(argc, argv);
90 signal(SIGPIPE, SIG_IGN);
93 ovs_fatal(0, "missing command name; use --help for help");
96 for (command = all_commands; ; command++) {
98 VLOG_FATAL("unknown command '%s'; use --help for help",
100 } else if (!strcmp(command->name, argv[optind])) {
106 if (command->need != NEED_NONE) {
107 if (argc - optind > command->min_args
108 && (isalpha((unsigned char) argv[optind][0])
109 && strchr(argv[optind], ':'))) {
110 rpc = open_jsonrpc(argv[optind++]);
112 char *sock = xasprintf("unix:%s/db.sock", ovs_rundir());
113 rpc = open_jsonrpc(sock);
120 if (command->need == NEED_DATABASE) {
124 fetch_dbs(rpc, &dbs);
125 if (argc - optind > command->min_args
126 && sset_contains(&dbs, argv[optind])) {
127 database = argv[optind++];
128 } else if (sset_count(&dbs) == 1) {
129 database = xstrdup(SSET_FIRST(&dbs));
130 } else if (sset_contains(&dbs, "Open_vSwitch")) {
131 database = "Open_vSwitch";
133 ovs_fatal(0, "no default database for `%s' command, please "
134 "specify a database name", command->name);
141 if (argc - optind < command->min_args ||
142 argc - optind > command->max_args) {
143 VLOG_FATAL("invalid syntax for '%s' (use --help for help)",
147 command->handler(rpc, database, argc - optind, argv + optind);
151 if (ferror(stdout)) {
152 VLOG_FATAL("write to stdout failed");
154 if (ferror(stderr)) {
155 VLOG_FATAL("write to stderr failed");
162 parse_options(int argc, char *argv[])
165 OPT_BOOTSTRAP_CA_CERT = UCHAR_MAX + 1,
170 static struct option long_options[] = {
171 {"verbose", optional_argument, NULL, 'v'},
172 {"help", no_argument, NULL, 'h'},
173 {"version", no_argument, NULL, 'V'},
174 {"timestamp", no_argument, NULL, OPT_TIMESTAMP},
177 {"bootstrap-ca-cert", required_argument, NULL, OPT_BOOTSTRAP_CA_CERT},
178 STREAM_SSL_LONG_OPTIONS,
183 char *short_options = long_options_to_short_options(long_options);
188 c = getopt_long(argc, argv, short_options, long_options, NULL);
198 ovs_print_version(0, 0);
202 vlog_set_verbosity(optarg);
205 DAEMON_OPTION_HANDLERS
207 TABLE_OPTION_HANDLERS(&table_style)
209 STREAM_SSL_OPTION_HANDLERS
211 case OPT_BOOTSTRAP_CA_CERT:
212 stream_ssl_set_ca_cert_file(optarg, true);
223 /* getopt_long() already set the value for us. */
236 printf("%s: Open vSwitch database JSON-RPC client\n"
237 "usage: %s [OPTIONS] COMMAND [ARG...]\n"
238 "\nValid commands are:\n"
239 "\n list-dbs [SERVER]\n"
240 " list databases available on SERVER\n"
241 "\n get-schema [SERVER] [DATABASE]\n"
242 " retrieve schema for DATABASE from SERVER\n"
243 "\n get-schema-version [SERVER] [DATABASE]\n"
244 " retrieve schema for DATABASE from SERVER and report only its\n"
245 " version number on stdout\n"
246 "\n list-tables [SERVER] [DATABASE]\n"
247 " list tables for DATABASE on SERVER\n"
248 "\n list-columns [SERVER] [DATABASE] [TABLE]\n"
249 " list columns in TABLE (or all tables) in DATABASE on SERVER\n"
250 "\n transact [SERVER] TRANSACTION\n"
251 " run TRANSACTION (a JSON array of operations) on SERVER\n"
252 " and print the results as JSON on stdout\n"
253 "\n monitor [SERVER] [DATABASE] TABLE [COLUMN,...]...\n"
254 " monitor contents of COLUMNs in TABLE in DATABASE on SERVER.\n"
255 " COLUMNs may include !initial, !insert, !delete, !modify\n"
256 " to avoid seeing the specified kinds of changes.\n"
257 "\n dump [SERVER] [DATABASE]\n"
258 " dump contents of DATABASE on SERVER to stdout\n"
259 "\nThe default SERVER is unix:%s/db.sock.\n"
260 "The default DATABASE is Open_vSwitch.\n",
261 program_name, program_name, ovs_rundir());
262 stream_usage("SERVER", true, true, true);
263 printf("\nOutput formatting options:\n"
264 " -f, --format=FORMAT set output formatting to FORMAT\n"
265 " (\"table\", \"html\", \"csv\", "
267 " --no-headings omit table heading row\n"
268 " --pretty pretty-print JSON in output\n"
269 " --timestamp timestamp \"monitor\" output");
272 printf("\nOther options:\n"
273 " -h, --help display this help message\n"
274 " -V, --version display version information\n");
279 check_txn(int error, struct jsonrpc_msg **reply_)
281 struct jsonrpc_msg *reply = *reply_;
284 ovs_fatal(error, "transaction failed");
288 ovs_fatal(error, "transaction returned error: %s",
289 json_to_string(reply->error, table_style.json_flags));
294 parse_json(const char *s)
296 struct json *json = json_from_string(s);
297 if (json->type == JSON_STRING) {
298 ovs_fatal(0, "\"%s\": %s", s, json->u.string);
303 static struct jsonrpc *
304 open_jsonrpc(const char *server)
306 struct stream *stream;
309 error = stream_open_block(jsonrpc_stream_open(server, &stream,
310 DSCP_DEFAULT), &stream);
311 if (error == EAFNOSUPPORT) {
312 struct pstream *pstream;
314 error = jsonrpc_pstream_open(server, &pstream, DSCP_DEFAULT);
316 ovs_fatal(error, "failed to connect or listen to \"%s\"", server);
319 VLOG_INFO("%s: waiting for connection...", server);
320 error = pstream_accept_block(pstream, &stream);
322 ovs_fatal(error, "failed to accept connection on \"%s\"", server);
325 pstream_close(pstream);
327 ovs_fatal(error, "failed to connect to \"%s\"", server);
330 return jsonrpc_open(stream);
334 print_json(struct json *json)
336 char *string = json_to_string(json, table_style.json_flags);
337 fputs(string, stdout);
342 print_and_free_json(struct json *json)
349 check_ovsdb_error(struct ovsdb_error *error)
352 ovs_fatal(0, "%s", ovsdb_error_to_string(error));
356 static struct ovsdb_schema *
357 fetch_schema(struct jsonrpc *rpc, const char *database)
359 struct jsonrpc_msg *request, *reply;
360 struct ovsdb_schema *schema;
362 request = jsonrpc_create_request("get_schema",
364 json_string_create(database)),
366 check_txn(jsonrpc_transact_block(rpc, request, &reply), &reply);
367 check_ovsdb_error(ovsdb_schema_from_json(reply->result, &schema));
368 jsonrpc_msg_destroy(reply);
374 fetch_dbs(struct jsonrpc *rpc, struct sset *dbs)
376 struct jsonrpc_msg *request, *reply;
379 request = jsonrpc_create_request("list_dbs", json_array_create_empty(),
382 check_txn(jsonrpc_transact_block(rpc, request, &reply), &reply);
383 if (reply->result->type != JSON_ARRAY) {
384 ovs_fatal(0, "list_dbs response is not array");
387 for (i = 0; i < reply->result->u.array.n; i++) {
388 const struct json *name = reply->result->u.array.elems[i];
390 if (name->type != JSON_STRING) {
391 ovs_fatal(0, "list_dbs response %zu is not string", i);
393 sset_add(dbs, name->u.string);
395 jsonrpc_msg_destroy(reply);
399 do_list_dbs(struct jsonrpc *rpc, const char *database OVS_UNUSED,
400 int argc OVS_UNUSED, char *argv[] OVS_UNUSED)
406 fetch_dbs(rpc, &dbs);
407 SSET_FOR_EACH (db_name, &dbs) {
414 do_get_schema(struct jsonrpc *rpc, const char *database,
415 int argc OVS_UNUSED, char *argv[] OVS_UNUSED)
417 struct ovsdb_schema *schema = fetch_schema(rpc, database);
418 print_and_free_json(ovsdb_schema_to_json(schema));
419 ovsdb_schema_destroy(schema);
423 do_get_schema_version(struct jsonrpc *rpc, const char *database,
424 int argc OVS_UNUSED, char *argv[] OVS_UNUSED)
426 struct ovsdb_schema *schema = fetch_schema(rpc, database);
427 puts(schema->version);
428 ovsdb_schema_destroy(schema);
432 do_list_tables(struct jsonrpc *rpc, const char *database,
433 int argc OVS_UNUSED, char *argv[] OVS_UNUSED)
435 struct ovsdb_schema *schema;
436 struct shash_node *node;
439 schema = fetch_schema(rpc, database);
441 table_add_column(&t, "Table");
442 SHASH_FOR_EACH (node, &schema->tables) {
443 struct ovsdb_table_schema *ts = node->data;
446 table_add_cell(&t)->text = xstrdup(ts->name);
448 ovsdb_schema_destroy(schema);
449 table_print(&t, &table_style);
453 do_list_columns(struct jsonrpc *rpc, const char *database,
454 int argc OVS_UNUSED, char *argv[])
456 const char *table_name = argv[0];
457 struct ovsdb_schema *schema;
458 struct shash_node *table_node;
461 schema = fetch_schema(rpc, database);
464 table_add_column(&t, "Table");
466 table_add_column(&t, "Column");
467 table_add_column(&t, "Type");
468 SHASH_FOR_EACH (table_node, &schema->tables) {
469 struct ovsdb_table_schema *ts = table_node->data;
471 if (!table_name || !strcmp(table_name, ts->name)) {
472 struct shash_node *column_node;
474 SHASH_FOR_EACH (column_node, &ts->columns) {
475 const struct ovsdb_column *column = column_node->data;
479 table_add_cell(&t)->text = xstrdup(ts->name);
481 table_add_cell(&t)->text = xstrdup(column->name);
482 table_add_cell(&t)->json = ovsdb_type_to_json(&column->type);
486 ovsdb_schema_destroy(schema);
487 table_print(&t, &table_style);
491 do_transact(struct jsonrpc *rpc, const char *database OVS_UNUSED,
492 int argc OVS_UNUSED, char *argv[])
494 struct jsonrpc_msg *request, *reply;
495 struct json *transaction;
497 transaction = parse_json(argv[0]);
499 request = jsonrpc_create_request("transact", transaction, NULL);
500 check_txn(jsonrpc_transact_block(rpc, request, &reply), &reply);
501 print_json(reply->result);
503 jsonrpc_msg_destroy(reply);
507 monitor_print_row(struct json *row, const char *type, const char *uuid,
508 const struct ovsdb_column_set *columns, struct table *t)
513 ovs_error(0, "missing %s row", type);
515 } else if (row->type != JSON_OBJECT) {
516 ovs_error(0, "<row> is not object");
521 table_add_cell(t)->text = xstrdup(uuid);
522 table_add_cell(t)->text = xstrdup(type);
523 for (i = 0; i < columns->n_columns; i++) {
524 const struct ovsdb_column *column = columns->columns[i];
525 struct json *value = shash_find_data(json_object(row), column->name);
526 struct cell *cell = table_add_cell(t);
528 cell->json = json_clone(value);
529 cell->type = &column->type;
535 monitor_print(struct json *table_updates,
536 const struct ovsdb_table_schema *table,
537 const struct ovsdb_column_set *columns, bool initial)
539 struct json *table_update;
540 struct shash_node *node;
545 table_set_timestamp(&t, timestamp);
547 if (table_updates->type != JSON_OBJECT) {
548 ovs_error(0, "<table-updates> is not object");
551 table_update = shash_find_data(json_object(table_updates), table->name);
555 if (table_update->type != JSON_OBJECT) {
556 ovs_error(0, "<table-update> is not object");
560 table_add_column(&t, "row");
561 table_add_column(&t, "action");
562 for (i = 0; i < columns->n_columns; i++) {
563 table_add_column(&t, "%s", columns->columns[i]->name);
565 SHASH_FOR_EACH (node, json_object(table_update)) {
566 struct json *row_update = node->data;
567 struct json *old, *new;
569 if (row_update->type != JSON_OBJECT) {
570 ovs_error(0, "<row-update> is not object");
573 old = shash_find_data(json_object(row_update), "old");
574 new = shash_find_data(json_object(row_update), "new");
576 monitor_print_row(new, "initial", node->name, columns, &t);
578 monitor_print_row(new, "insert", node->name, columns, &t);
580 monitor_print_row(old, "delete", node->name, columns, &t);
582 monitor_print_row(old, "old", node->name, columns, &t);
583 monitor_print_row(new, "new", "", columns, &t);
586 table_print(&t, &table_style);
591 add_column(const char *server, const struct ovsdb_column *column,
592 struct ovsdb_column_set *columns, struct json *columns_json)
594 if (ovsdb_column_set_contains(columns, column->index)) {
595 ovs_fatal(0, "%s: column \"%s\" mentioned multiple times",
596 server, column->name);
598 ovsdb_column_set_add(columns, column);
599 json_array_add(columns_json, json_string_create(column->name));
603 parse_monitor_columns(char *arg, const char *server, const char *database,
604 const struct ovsdb_table_schema *table,
605 struct ovsdb_column_set *columns)
607 bool initial, insert, delete, modify;
608 struct json *mr, *columns_json;
609 char *save_ptr = NULL;
612 mr = json_object_create();
613 columns_json = json_array_create_empty();
614 json_object_put(mr, "columns", columns_json);
616 initial = insert = delete = modify = true;
617 for (token = strtok_r(arg, ",", &save_ptr); token != NULL;
618 token = strtok_r(NULL, ",", &save_ptr)) {
619 if (!strcmp(token, "!initial")) {
621 } else if (!strcmp(token, "!insert")) {
623 } else if (!strcmp(token, "!delete")) {
625 } else if (!strcmp(token, "!modify")) {
628 const struct ovsdb_column *column;
630 column = ovsdb_table_schema_get_column(table, token);
632 ovs_fatal(0, "%s: table \"%s\" in %s does not have a "
633 "column named \"%s\"",
634 server, table->name, database, token);
636 add_column(server, column, columns, columns_json);
640 if (columns_json->u.array.n == 0) {
641 const struct shash_node **nodes;
644 n = shash_count(&table->columns);
645 nodes = shash_sort(&table->columns);
646 for (i = 0; i < n; i++) {
647 const struct ovsdb_column *column = nodes[i]->data;
648 if (column->index != OVSDB_COL_UUID
649 && column->index != OVSDB_COL_VERSION) {
650 add_column(server, column, columns, columns_json);
655 add_column(server, ovsdb_table_schema_get_column(table,"_version"),
656 columns, columns_json);
659 if (!initial || !insert || !delete || !modify) {
660 struct json *select = json_object_create();
661 json_object_put(select, "initial", json_boolean_create(initial));
662 json_object_put(select, "insert", json_boolean_create(insert));
663 json_object_put(select, "delete", json_boolean_create(delete));
664 json_object_put(select, "modify", json_boolean_create(modify));
665 json_object_put(mr, "select", select);
672 do_monitor(struct jsonrpc *rpc, const char *database,
673 int argc, char *argv[])
675 const char *server = jsonrpc_get_name(rpc);
676 const char *table_name = argv[0];
677 struct ovsdb_column_set columns = OVSDB_COLUMN_SET_INITIALIZER;
678 struct ovsdb_table_schema *table;
679 struct ovsdb_schema *schema;
680 struct jsonrpc_msg *request;
681 struct json *monitor, *monitor_request_array,
682 *monitor_requests, *request_id;
684 schema = fetch_schema(rpc, database);
685 table = shash_find_data(&schema->tables, table_name);
687 ovs_fatal(0, "%s: %s does not have a table named \"%s\"",
688 server, database, table_name);
691 monitor_request_array = json_array_create_empty();
695 for (i = 1; i < argc; i++) {
697 monitor_request_array,
698 parse_monitor_columns(argv[i], server, database, table,
702 /* Allocate a writable empty string since parse_monitor_columns() is
703 * going to strtok() it and that's risky with literal "". */
706 monitor_request_array,
707 parse_monitor_columns(empty, server, database, table, &columns));
710 monitor_requests = json_object_create();
711 json_object_put(monitor_requests, table_name, monitor_request_array);
713 monitor = json_array_create_3(json_string_create(database),
714 json_null_create(), monitor_requests);
715 request = jsonrpc_create_request("monitor", monitor, NULL);
716 request_id = json_clone(request->id);
717 jsonrpc_send(rpc, request);
719 struct jsonrpc_msg *msg;
722 error = jsonrpc_recv_block(rpc, &msg);
724 ovsdb_schema_destroy(schema);
725 ovs_fatal(error, "%s: receive failed", server);
728 if (msg->type == JSONRPC_REQUEST && !strcmp(msg->method, "echo")) {
729 jsonrpc_send(rpc, jsonrpc_create_reply(json_clone(msg->params),
731 } else if (msg->type == JSONRPC_REPLY
732 && json_equal(msg->id, request_id)) {
733 monitor_print(msg->result, table, &columns, true);
736 daemon_save_fd(STDOUT_FILENO);
739 } else if (msg->type == JSONRPC_NOTIFY
740 && !strcmp(msg->method, "update")) {
741 struct json *params = msg->params;
742 if (params->type == JSON_ARRAY
743 && params->u.array.n == 2
744 && params->u.array.elems[0]->type == JSON_NULL) {
745 monitor_print(params->u.array.elems[1],
746 table, &columns, false);
750 jsonrpc_msg_destroy(msg);
754 struct dump_table_aux {
755 struct ovsdb_datum **data;
756 const struct ovsdb_column **columns;
761 compare_data(size_t a_y, size_t b_y, size_t x,
762 const struct dump_table_aux *aux)
764 return ovsdb_datum_compare_3way(&aux->data[a_y][x],
766 &aux->columns[x]->type);
770 compare_rows(size_t a_y, size_t b_y, void *aux_)
772 struct dump_table_aux *aux = aux_;
775 /* Skip UUID columns on the first pass, since their values tend to be
776 * random and make our results less reproducible. */
777 for (x = 0; x < aux->n_columns; x++) {
778 if (aux->columns[x]->type.key.type != OVSDB_TYPE_UUID) {
779 int cmp = compare_data(a_y, b_y, x, aux);
786 /* Use UUID columns as tie-breakers. */
787 for (x = 0; x < aux->n_columns; x++) {
788 if (aux->columns[x]->type.key.type == OVSDB_TYPE_UUID) {
789 int cmp = compare_data(a_y, b_y, x, aux);
800 swap_rows(size_t a_y, size_t b_y, void *aux_)
802 struct dump_table_aux *aux = aux_;
803 struct ovsdb_datum *tmp = aux->data[a_y];
804 aux->data[a_y] = aux->data[b_y];
805 aux->data[b_y] = tmp;
809 compare_columns(const void *a_, const void *b_)
811 const struct ovsdb_column *const *ap = a_;
812 const struct ovsdb_column *const *bp = b_;
813 const struct ovsdb_column *a = *ap;
814 const struct ovsdb_column *b = *bp;
816 return strcmp(a->name, b->name);
820 dump_table(const struct ovsdb_table_schema *ts, struct json_array *rows)
822 const struct ovsdb_column **columns;
825 struct ovsdb_datum **data;
827 struct dump_table_aux aux;
828 struct shash_node *node;
832 /* Sort columns by name, for reproducibility. */
833 columns = xmalloc(shash_count(&ts->columns) * sizeof *columns);
835 SHASH_FOR_EACH (node, &ts->columns) {
836 struct ovsdb_column *column = node->data;
837 if (strcmp(column->name, "_version")) {
838 columns[n_columns++] = column;
841 qsort(columns, n_columns, sizeof *columns, compare_columns);
843 /* Extract data from table. */
844 data = xmalloc(rows->n * sizeof *data);
845 for (y = 0; y < rows->n; y++) {
848 if (rows->elems[y]->type != JSON_OBJECT) {
849 ovs_fatal(0, "row %zu in table %s response is not a JSON object: "
850 "%s", y, ts->name, json_to_string(rows->elems[y], 0));
852 row = json_object(rows->elems[y]);
854 data[y] = xmalloc(n_columns * sizeof **data);
855 for (x = 0; x < n_columns; x++) {
856 const struct json *json = shash_find_data(row, columns[x]->name);
858 ovs_fatal(0, "row %zu in table %s response lacks %s column",
859 y, ts->name, columns[x]->name);
862 check_ovsdb_error(ovsdb_datum_from_json(&data[y][x],
868 /* Sort rows by column values, for reproducibility. */
870 aux.columns = columns;
871 aux.n_columns = n_columns;
872 sort(rows->n, compare_rows, swap_rows, &aux);
874 /* Add column headings. */
876 table_set_caption(&t, xasprintf("%s table", ts->name));
877 for (x = 0; x < n_columns; x++) {
878 table_add_column(&t, "%s", columns[x]->name);
882 for (y = 0; y < rows->n; y++) {
884 for (x = 0; x < n_columns; x++) {
885 struct cell *cell = table_add_cell(&t);
886 cell->json = ovsdb_datum_to_json(&data[y][x], &columns[x]->type);
887 cell->type = &columns[x]->type;
888 ovsdb_datum_destroy(&data[y][x], &columns[x]->type);
892 table_print(&t, &table_style);
900 do_dump(struct jsonrpc *rpc, const char *database,
901 int argc OVS_UNUSED, char *argv[] OVS_UNUSED)
903 struct jsonrpc_msg *request, *reply;
904 struct ovsdb_schema *schema;
905 struct json *transaction;
907 const struct shash_node **tables;
912 schema = fetch_schema(rpc, database);
913 tables = shash_sort(&schema->tables);
914 n_tables = shash_count(&schema->tables);
916 /* Construct transaction to retrieve entire database. */
917 transaction = json_array_create_1(json_string_create(database));
918 for (i = 0; i < n_tables; i++) {
919 const struct ovsdb_table_schema *ts = tables[i]->data;
920 struct json *op, *columns;
921 struct shash_node *node;
923 columns = json_array_create_empty();
924 SHASH_FOR_EACH (node, &ts->columns) {
925 const struct ovsdb_column *column = node->data;
927 if (strcmp(column->name, "_version")) {
928 json_array_add(columns, json_string_create(column->name));
932 op = json_object_create();
933 json_object_put_string(op, "op", "select");
934 json_object_put_string(op, "table", tables[i]->name);
935 json_object_put(op, "where", json_array_create_empty());
936 json_object_put(op, "columns", columns);
937 json_array_add(transaction, op);
940 /* Send request, get reply. */
941 request = jsonrpc_create_request("transact", transaction, NULL);
942 check_txn(jsonrpc_transact_block(rpc, request, &reply), &reply);
944 /* Print database contents. */
945 if (reply->result->type != JSON_ARRAY
946 || reply->result->u.array.n != n_tables) {
947 ovs_fatal(0, "reply is not array of %zu elements: %s",
948 n_tables, json_to_string(reply->result, 0));
950 for (i = 0; i < n_tables; i++) {
951 const struct ovsdb_table_schema *ts = tables[i]->data;
952 const struct json *op_result = reply->result->u.array.elems[i];
955 if (op_result->type != JSON_OBJECT
956 || !(rows = shash_find_data(json_object(op_result), "rows"))
957 || rows->type != JSON_ARRAY) {
958 ovs_fatal(0, "%s table reply is not an object with a \"rows\" "
960 ts->name, json_to_string(op_result, 0));
963 dump_table(ts, &rows->u.array);
966 jsonrpc_msg_destroy(reply);
968 ovsdb_schema_destroy(schema);
972 do_help(struct jsonrpc *rpc OVS_UNUSED, const char *database OVS_UNUSED,
973 int argc OVS_UNUSED, char *argv[] OVS_UNUSED)
978 /* All command handlers (except for "help") are expected to take an optional
979 * server socket name (e.g. "unix:...") as their first argument. The socket
980 * name argument must be included in max_args (but left out of min_args). The
981 * command name and socket name are not included in the arguments passed to the
982 * handler: the argv[0] passed to the handler is the first argument after the
983 * optional server socket name. The connection to the server is available as
984 * global variable 'rpc'. */
985 static const struct ovsdb_client_command all_commands[] = {
986 { "list-dbs", NEED_RPC, 0, 0, do_list_dbs },
987 { "get-schema", NEED_DATABASE, 0, 0, do_get_schema },
988 { "get-schema-version", NEED_DATABASE, 0, 0, do_get_schema_version },
989 { "list-tables", NEED_DATABASE, 0, 0, do_list_tables },
990 { "list-columns", NEED_DATABASE, 0, 1, do_list_columns },
991 { "transact", NEED_RPC, 1, 1, do_transact },
992 { "monitor", NEED_DATABASE, 1, INT_MAX, do_monitor },
993 { "dump", NEED_DATABASE, 0, 0, do_dump },
995 { "help", NEED_NONE, 0, INT_MAX, do_help },
997 { NULL, 0, 0, 0, NULL },