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), &stream);
310 if (error == EAFNOSUPPORT) {
311 struct pstream *pstream;
313 error = jsonrpc_pstream_open(server, &pstream);
315 ovs_fatal(error, "failed to connect or listen to \"%s\"", server);
318 VLOG_INFO("%s: waiting for connection...", server);
319 error = pstream_accept_block(pstream, &stream);
321 ovs_fatal(error, "failed to accept connection on \"%s\"", server);
324 pstream_close(pstream);
326 ovs_fatal(error, "failed to connect to \"%s\"", server);
329 return jsonrpc_open(stream);
333 print_json(struct json *json)
335 char *string = json_to_string(json, table_style.json_flags);
336 fputs(string, stdout);
341 print_and_free_json(struct json *json)
348 check_ovsdb_error(struct ovsdb_error *error)
351 ovs_fatal(0, "%s", ovsdb_error_to_string(error));
355 static struct ovsdb_schema *
356 fetch_schema(struct jsonrpc *rpc, const char *database)
358 struct jsonrpc_msg *request, *reply;
359 struct ovsdb_schema *schema;
361 request = jsonrpc_create_request("get_schema",
363 json_string_create(database)),
365 check_txn(jsonrpc_transact_block(rpc, request, &reply), &reply);
366 check_ovsdb_error(ovsdb_schema_from_json(reply->result, &schema));
367 jsonrpc_msg_destroy(reply);
373 fetch_dbs(struct jsonrpc *rpc, struct sset *dbs)
375 struct jsonrpc_msg *request, *reply;
378 request = jsonrpc_create_request("list_dbs", json_array_create_empty(),
381 check_txn(jsonrpc_transact_block(rpc, request, &reply), &reply);
382 if (reply->result->type != JSON_ARRAY) {
383 ovs_fatal(0, "list_dbs response is not array");
386 for (i = 0; i < reply->result->u.array.n; i++) {
387 const struct json *name = reply->result->u.array.elems[i];
389 if (name->type != JSON_STRING) {
390 ovs_fatal(0, "list_dbs response %zu is not string", i);
392 sset_add(dbs, name->u.string);
394 jsonrpc_msg_destroy(reply);
398 do_list_dbs(struct jsonrpc *rpc, const char *database OVS_UNUSED,
399 int argc OVS_UNUSED, char *argv[] OVS_UNUSED)
405 fetch_dbs(rpc, &dbs);
406 SSET_FOR_EACH (db_name, &dbs) {
413 do_get_schema(struct jsonrpc *rpc, const char *database,
414 int argc OVS_UNUSED, char *argv[] OVS_UNUSED)
416 struct ovsdb_schema *schema = fetch_schema(rpc, database);
417 print_and_free_json(ovsdb_schema_to_json(schema));
418 ovsdb_schema_destroy(schema);
422 do_get_schema_version(struct jsonrpc *rpc, const char *database,
423 int argc OVS_UNUSED, char *argv[] OVS_UNUSED)
425 struct ovsdb_schema *schema = fetch_schema(rpc, database);
426 puts(schema->version);
427 ovsdb_schema_destroy(schema);
431 do_list_tables(struct jsonrpc *rpc, const char *database,
432 int argc OVS_UNUSED, char *argv[] OVS_UNUSED)
434 struct ovsdb_schema *schema;
435 struct shash_node *node;
438 schema = fetch_schema(rpc, database);
440 table_add_column(&t, "Table");
441 SHASH_FOR_EACH (node, &schema->tables) {
442 struct ovsdb_table_schema *ts = node->data;
445 table_add_cell(&t)->text = xstrdup(ts->name);
447 ovsdb_schema_destroy(schema);
448 table_print(&t, &table_style);
452 do_list_columns(struct jsonrpc *rpc, const char *database,
453 int argc OVS_UNUSED, char *argv[])
455 const char *table_name = argv[0];
456 struct ovsdb_schema *schema;
457 struct shash_node *table_node;
460 schema = fetch_schema(rpc, database);
463 table_add_column(&t, "Table");
465 table_add_column(&t, "Column");
466 table_add_column(&t, "Type");
467 SHASH_FOR_EACH (table_node, &schema->tables) {
468 struct ovsdb_table_schema *ts = table_node->data;
470 if (!table_name || !strcmp(table_name, ts->name)) {
471 struct shash_node *column_node;
473 SHASH_FOR_EACH (column_node, &ts->columns) {
474 const struct ovsdb_column *column = column_node->data;
478 table_add_cell(&t)->text = xstrdup(ts->name);
480 table_add_cell(&t)->text = xstrdup(column->name);
481 table_add_cell(&t)->json = ovsdb_type_to_json(&column->type);
485 ovsdb_schema_destroy(schema);
486 table_print(&t, &table_style);
490 do_transact(struct jsonrpc *rpc, const char *database OVS_UNUSED,
491 int argc OVS_UNUSED, char *argv[])
493 struct jsonrpc_msg *request, *reply;
494 struct json *transaction;
496 transaction = parse_json(argv[0]);
498 request = jsonrpc_create_request("transact", transaction, NULL);
499 check_txn(jsonrpc_transact_block(rpc, request, &reply), &reply);
500 print_json(reply->result);
502 jsonrpc_msg_destroy(reply);
506 monitor_print_row(struct json *row, const char *type, const char *uuid,
507 const struct ovsdb_column_set *columns, struct table *t)
512 ovs_error(0, "missing %s row", type);
514 } else if (row->type != JSON_OBJECT) {
515 ovs_error(0, "<row> is not object");
520 table_add_cell(t)->text = xstrdup(uuid);
521 table_add_cell(t)->text = xstrdup(type);
522 for (i = 0; i < columns->n_columns; i++) {
523 const struct ovsdb_column *column = columns->columns[i];
524 struct json *value = shash_find_data(json_object(row), column->name);
525 struct cell *cell = table_add_cell(t);
527 cell->json = json_clone(value);
528 cell->type = &column->type;
534 monitor_print(struct json *table_updates,
535 const struct ovsdb_table_schema *table,
536 const struct ovsdb_column_set *columns, bool initial)
538 struct json *table_update;
539 struct shash_node *node;
544 table_set_timestamp(&t, timestamp);
546 if (table_updates->type != JSON_OBJECT) {
547 ovs_error(0, "<table-updates> is not object");
550 table_update = shash_find_data(json_object(table_updates), table->name);
554 if (table_update->type != JSON_OBJECT) {
555 ovs_error(0, "<table-update> is not object");
559 table_add_column(&t, "row");
560 table_add_column(&t, "action");
561 for (i = 0; i < columns->n_columns; i++) {
562 table_add_column(&t, "%s", columns->columns[i]->name);
564 SHASH_FOR_EACH (node, json_object(table_update)) {
565 struct json *row_update = node->data;
566 struct json *old, *new;
568 if (row_update->type != JSON_OBJECT) {
569 ovs_error(0, "<row-update> is not object");
572 old = shash_find_data(json_object(row_update), "old");
573 new = shash_find_data(json_object(row_update), "new");
575 monitor_print_row(new, "initial", node->name, columns, &t);
577 monitor_print_row(new, "insert", node->name, columns, &t);
579 monitor_print_row(old, "delete", node->name, columns, &t);
581 monitor_print_row(old, "old", node->name, columns, &t);
582 monitor_print_row(new, "new", "", columns, &t);
585 table_print(&t, &table_style);
590 add_column(const char *server, const struct ovsdb_column *column,
591 struct ovsdb_column_set *columns, struct json *columns_json)
593 if (ovsdb_column_set_contains(columns, column->index)) {
594 ovs_fatal(0, "%s: column \"%s\" mentioned multiple times",
595 server, column->name);
597 ovsdb_column_set_add(columns, column);
598 json_array_add(columns_json, json_string_create(column->name));
602 parse_monitor_columns(char *arg, const char *server, const char *database,
603 const struct ovsdb_table_schema *table,
604 struct ovsdb_column_set *columns)
606 bool initial, insert, delete, modify;
607 struct json *mr, *columns_json;
608 char *save_ptr = NULL;
611 mr = json_object_create();
612 columns_json = json_array_create_empty();
613 json_object_put(mr, "columns", columns_json);
615 initial = insert = delete = modify = true;
616 for (token = strtok_r(arg, ",", &save_ptr); token != NULL;
617 token = strtok_r(NULL, ",", &save_ptr)) {
618 if (!strcmp(token, "!initial")) {
620 } else if (!strcmp(token, "!insert")) {
622 } else if (!strcmp(token, "!delete")) {
624 } else if (!strcmp(token, "!modify")) {
627 const struct ovsdb_column *column;
629 column = ovsdb_table_schema_get_column(table, token);
631 ovs_fatal(0, "%s: table \"%s\" in %s does not have a "
632 "column named \"%s\"",
633 server, table->name, database, token);
635 add_column(server, column, columns, columns_json);
639 if (columns_json->u.array.n == 0) {
640 const struct shash_node **nodes;
643 n = shash_count(&table->columns);
644 nodes = shash_sort(&table->columns);
645 for (i = 0; i < n; i++) {
646 const struct ovsdb_column *column = nodes[i]->data;
647 if (column->index != OVSDB_COL_UUID
648 && column->index != OVSDB_COL_VERSION) {
649 add_column(server, column, columns, columns_json);
654 add_column(server, ovsdb_table_schema_get_column(table,"_version"),
655 columns, columns_json);
658 if (!initial || !insert || !delete || !modify) {
659 struct json *select = json_object_create();
660 json_object_put(select, "initial", json_boolean_create(initial));
661 json_object_put(select, "insert", json_boolean_create(insert));
662 json_object_put(select, "delete", json_boolean_create(delete));
663 json_object_put(select, "modify", json_boolean_create(modify));
664 json_object_put(mr, "select", select);
671 do_monitor(struct jsonrpc *rpc, const char *database,
672 int argc, char *argv[])
674 const char *server = jsonrpc_get_name(rpc);
675 const char *table_name = argv[0];
676 struct ovsdb_column_set columns = OVSDB_COLUMN_SET_INITIALIZER;
677 struct ovsdb_table_schema *table;
678 struct ovsdb_schema *schema;
679 struct jsonrpc_msg *request;
680 struct json *monitor, *monitor_request_array,
681 *monitor_requests, *request_id;
683 schema = fetch_schema(rpc, database);
684 table = shash_find_data(&schema->tables, table_name);
686 ovs_fatal(0, "%s: %s does not have a table named \"%s\"",
687 server, database, table_name);
690 monitor_request_array = json_array_create_empty();
694 for (i = 1; i < argc; i++) {
696 monitor_request_array,
697 parse_monitor_columns(argv[i], server, database, table,
701 /* Allocate a writable empty string since parse_monitor_columns() is
702 * going to strtok() it and that's risky with literal "". */
705 monitor_request_array,
706 parse_monitor_columns(empty, server, database, table, &columns));
709 monitor_requests = json_object_create();
710 json_object_put(monitor_requests, table_name, monitor_request_array);
712 monitor = json_array_create_3(json_string_create(database),
713 json_null_create(), monitor_requests);
714 request = jsonrpc_create_request("monitor", monitor, NULL);
715 request_id = json_clone(request->id);
716 jsonrpc_send(rpc, request);
718 struct jsonrpc_msg *msg;
721 error = jsonrpc_recv_block(rpc, &msg);
723 ovsdb_schema_destroy(schema);
724 ovs_fatal(error, "%s: receive failed", server);
727 if (msg->type == JSONRPC_REQUEST && !strcmp(msg->method, "echo")) {
728 jsonrpc_send(rpc, jsonrpc_create_reply(json_clone(msg->params),
730 } else if (msg->type == JSONRPC_REPLY
731 && json_equal(msg->id, request_id)) {
732 monitor_print(msg->result, table, &columns, true);
735 daemon_save_fd(STDOUT_FILENO);
738 } else if (msg->type == JSONRPC_NOTIFY
739 && !strcmp(msg->method, "update")) {
740 struct json *params = msg->params;
741 if (params->type == JSON_ARRAY
742 && params->u.array.n == 2
743 && params->u.array.elems[0]->type == JSON_NULL) {
744 monitor_print(params->u.array.elems[1],
745 table, &columns, false);
749 jsonrpc_msg_destroy(msg);
753 struct dump_table_aux {
754 struct ovsdb_datum **data;
755 const struct ovsdb_column **columns;
760 compare_data(size_t a_y, size_t b_y, size_t x,
761 const struct dump_table_aux *aux)
763 return ovsdb_datum_compare_3way(&aux->data[a_y][x],
765 &aux->columns[x]->type);
769 compare_rows(size_t a_y, size_t b_y, void *aux_)
771 struct dump_table_aux *aux = aux_;
774 /* Skip UUID columns on the first pass, since their values tend to be
775 * random and make our results less reproducible. */
776 for (x = 0; x < aux->n_columns; x++) {
777 if (aux->columns[x]->type.key.type != OVSDB_TYPE_UUID) {
778 int cmp = compare_data(a_y, b_y, x, aux);
785 /* Use UUID columns as tie-breakers. */
786 for (x = 0; x < aux->n_columns; x++) {
787 if (aux->columns[x]->type.key.type == OVSDB_TYPE_UUID) {
788 int cmp = compare_data(a_y, b_y, x, aux);
799 swap_rows(size_t a_y, size_t b_y, void *aux_)
801 struct dump_table_aux *aux = aux_;
802 struct ovsdb_datum *tmp = aux->data[a_y];
803 aux->data[a_y] = aux->data[b_y];
804 aux->data[b_y] = tmp;
808 compare_columns(const void *a_, const void *b_)
810 const struct ovsdb_column *const *ap = a_;
811 const struct ovsdb_column *const *bp = b_;
812 const struct ovsdb_column *a = *ap;
813 const struct ovsdb_column *b = *bp;
815 return strcmp(a->name, b->name);
819 dump_table(const struct ovsdb_table_schema *ts, struct json_array *rows)
821 const struct ovsdb_column **columns;
824 struct ovsdb_datum **data;
826 struct dump_table_aux aux;
827 struct shash_node *node;
831 /* Sort columns by name, for reproducibility. */
832 columns = xmalloc(shash_count(&ts->columns) * sizeof *columns);
834 SHASH_FOR_EACH (node, &ts->columns) {
835 struct ovsdb_column *column = node->data;
836 if (strcmp(column->name, "_version")) {
837 columns[n_columns++] = column;
840 qsort(columns, n_columns, sizeof *columns, compare_columns);
842 /* Extract data from table. */
843 data = xmalloc(rows->n * sizeof *data);
844 for (y = 0; y < rows->n; y++) {
847 if (rows->elems[y]->type != JSON_OBJECT) {
848 ovs_fatal(0, "row %zu in table %s response is not a JSON object: "
849 "%s", y, ts->name, json_to_string(rows->elems[y], 0));
851 row = json_object(rows->elems[y]);
853 data[y] = xmalloc(n_columns * sizeof **data);
854 for (x = 0; x < n_columns; x++) {
855 const struct json *json = shash_find_data(row, columns[x]->name);
857 ovs_fatal(0, "row %zu in table %s response lacks %s column",
858 y, ts->name, columns[x]->name);
861 check_ovsdb_error(ovsdb_datum_from_json(&data[y][x],
867 /* Sort rows by column values, for reproducibility. */
869 aux.columns = columns;
870 aux.n_columns = n_columns;
871 sort(rows->n, compare_rows, swap_rows, &aux);
873 /* Add column headings. */
875 table_set_caption(&t, xasprintf("%s table", ts->name));
876 for (x = 0; x < n_columns; x++) {
877 table_add_column(&t, "%s", columns[x]->name);
881 for (y = 0; y < rows->n; y++) {
883 for (x = 0; x < n_columns; x++) {
884 struct cell *cell = table_add_cell(&t);
885 cell->json = ovsdb_datum_to_json(&data[y][x], &columns[x]->type);
886 cell->type = &columns[x]->type;
889 table_print(&t, &table_style);
894 do_dump(struct jsonrpc *rpc, const char *database,
895 int argc OVS_UNUSED, char *argv[] OVS_UNUSED)
897 struct jsonrpc_msg *request, *reply;
898 struct ovsdb_schema *schema;
899 struct json *transaction;
901 const struct shash_node **tables;
906 schema = fetch_schema(rpc, database);
907 tables = shash_sort(&schema->tables);
908 n_tables = shash_count(&schema->tables);
910 /* Construct transaction to retrieve entire database. */
911 transaction = json_array_create_1(json_string_create(database));
912 for (i = 0; i < n_tables; i++) {
913 const struct ovsdb_table_schema *ts = tables[i]->data;
914 struct json *op, *columns;
915 struct shash_node *node;
917 columns = json_array_create_empty();
918 SHASH_FOR_EACH (node, &ts->columns) {
919 const struct ovsdb_column *column = node->data;
921 if (strcmp(column->name, "_version")) {
922 json_array_add(columns, json_string_create(column->name));
926 op = json_object_create();
927 json_object_put_string(op, "op", "select");
928 json_object_put_string(op, "table", tables[i]->name);
929 json_object_put(op, "where", json_array_create_empty());
930 json_object_put(op, "columns", columns);
931 json_array_add(transaction, op);
934 /* Send request, get reply. */
935 request = jsonrpc_create_request("transact", transaction, NULL);
936 check_txn(jsonrpc_transact_block(rpc, request, &reply), &reply);
938 /* Print database contents. */
939 if (reply->result->type != JSON_ARRAY
940 || reply->result->u.array.n != n_tables) {
941 ovs_fatal(0, "reply is not array of %zu elements: %s",
942 n_tables, json_to_string(reply->result, 0));
944 for (i = 0; i < n_tables; i++) {
945 const struct ovsdb_table_schema *ts = tables[i]->data;
946 const struct json *op_result = reply->result->u.array.elems[i];
949 if (op_result->type != JSON_OBJECT
950 || !(rows = shash_find_data(json_object(op_result), "rows"))
951 || rows->type != JSON_ARRAY) {
952 ovs_fatal(0, "%s table reply is not an object with a \"rows\" "
954 ts->name, json_to_string(op_result, 0));
957 dump_table(ts, &rows->u.array);
962 do_help(struct jsonrpc *rpc OVS_UNUSED, const char *database OVS_UNUSED,
963 int argc OVS_UNUSED, char *argv[] OVS_UNUSED)
968 /* All command handlers (except for "help") are expected to take an optional
969 * server socket name (e.g. "unix:...") as their first argument. The socket
970 * name argument must be included in max_args (but left out of min_args). The
971 * command name and socket name are not included in the arguments passed to the
972 * handler: the argv[0] passed to the handler is the first argument after the
973 * optional server socket name. The connection to the server is available as
974 * global variable 'rpc'. */
975 static const struct ovsdb_client_command all_commands[] = {
976 { "list-dbs", NEED_RPC, 0, 0, do_list_dbs },
977 { "get-schema", NEED_DATABASE, 0, 0, do_get_schema },
978 { "get-schema-version", NEED_DATABASE, 0, 0, do_get_schema_version },
979 { "list-tables", NEED_DATABASE, 0, 0, do_list_tables },
980 { "list-columns", NEED_DATABASE, 0, 1, do_list_columns },
981 { "transact", NEED_RPC, 1, 1, do_transact },
982 { "monitor", NEED_DATABASE, 1, INT_MAX, do_monitor },
983 { "dump", NEED_DATABASE, 0, 0, do_dump },
985 { "help", NEED_NONE, 0, INT_MAX, do_help },
987 { NULL, 0, 0, 0, NULL },