2 * Copyright (c) 2009, 2010, 2011 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 /* Format for table output. */
68 static struct table_style table_style = TABLE_STYLE_DEFAULT;
70 static const struct ovsdb_client_command all_commands[];
72 static void usage(void) NO_RETURN;
73 static void parse_options(int argc, char *argv[]);
74 static struct jsonrpc *open_jsonrpc(const char *server);
75 static void fetch_dbs(struct jsonrpc *, struct sset *dbs);
78 main(int argc, char *argv[])
80 const struct ovsdb_client_command *command;
84 proctitle_init(argc, argv);
85 set_program_name(argv[0]);
86 parse_options(argc, argv);
87 signal(SIGPIPE, SIG_IGN);
90 ovs_fatal(0, "missing command name; use --help for help");
93 for (command = all_commands; ; command++) {
95 VLOG_FATAL("unknown command '%s'; use --help for help",
97 } else if (!strcmp(command->name, argv[optind])) {
103 if (command->need != NEED_NONE) {
104 if (argc - optind > command->min_args
105 && (isalpha((unsigned char) argv[optind][0])
106 && strchr(argv[optind], ':'))) {
107 rpc = open_jsonrpc(argv[optind++]);
109 char *sock = xasprintf("unix:%s/db.sock", ovs_rundir());
110 rpc = open_jsonrpc(sock);
117 if (command->need == NEED_DATABASE) {
121 fetch_dbs(rpc, &dbs);
122 if (argc - optind > command->min_args
123 && sset_contains(&dbs, argv[optind])) {
124 database = argv[optind++];
125 } else if (sset_count(&dbs) == 1) {
126 database = xstrdup(SSET_FIRST(&dbs));
127 } else if (sset_contains(&dbs, "Open_vSwitch")) {
128 database = "Open_vSwitch";
130 ovs_fatal(0, "no default database for `%s' command, please "
131 "specify a database name", command->name);
138 if (argc - optind < command->min_args ||
139 argc - optind > command->max_args) {
140 VLOG_FATAL("invalid syntax for '%s' (use --help for help)",
144 command->handler(rpc, database, argc - optind, argv + optind);
148 if (ferror(stdout)) {
149 VLOG_FATAL("write to stdout failed");
151 if (ferror(stderr)) {
152 VLOG_FATAL("write to stderr failed");
159 parse_options(int argc, char *argv[])
162 OPT_BOOTSTRAP_CA_CERT = UCHAR_MAX + 1,
166 static struct option long_options[] = {
167 {"verbose", optional_argument, NULL, 'v'},
168 {"help", no_argument, NULL, 'h'},
169 {"version", no_argument, NULL, 'V'},
172 {"bootstrap-ca-cert", required_argument, NULL, OPT_BOOTSTRAP_CA_CERT},
173 STREAM_SSL_LONG_OPTIONS,
178 char *short_options = long_options_to_short_options(long_options);
183 c = getopt_long(argc, argv, short_options, long_options, NULL);
193 ovs_print_version(0, 0);
197 vlog_set_verbosity(optarg);
200 DAEMON_OPTION_HANDLERS
202 TABLE_OPTION_HANDLERS(&table_style)
204 STREAM_SSL_OPTION_HANDLERS
206 case OPT_BOOTSTRAP_CA_CERT:
207 stream_ssl_set_ca_cert_file(optarg, true);
214 /* getopt_long() already set the value for us. */
227 printf("%s: Open vSwitch database JSON-RPC client\n"
228 "usage: %s [OPTIONS] COMMAND [ARG...]\n"
229 "\nValid commands are:\n"
230 "\n list-dbs [SERVER]\n"
231 " list databases available on SERVER\n"
232 "\n get-schema [SERVER] [DATABASE]\n"
233 " retrieve schema for DATABASE from SERVER\n"
234 "\n get-schema-version [SERVER] [DATABASE]\n"
235 " retrieve schema for DATABASE from SERVER and report only its\n"
236 " version number on stdout\n"
237 "\n list-tables [SERVER] [DATABASE]\n"
238 " list tables for DATABASE on SERVER\n"
239 "\n list-columns [SERVER] [DATABASE] [TABLE]\n"
240 " list columns in TABLE (or all tables) in DATABASE on SERVER\n"
241 "\n transact [SERVER] TRANSACTION\n"
242 " run TRANSACTION (a JSON array of operations) on SERVER\n"
243 " and print the results as JSON on stdout\n"
244 "\n monitor [SERVER] [DATABASE] TABLE [COLUMN,...]...\n"
245 " monitor contents of COLUMNs in TABLE in DATABASE on SERVER.\n"
246 " COLUMNs may include !initial, !insert, !delete, !modify\n"
247 " to avoid seeing the specified kinds of changes.\n"
248 "\n dump [SERVER] [DATABASE]\n"
249 " dump contents of DATABASE on SERVER to stdout\n"
250 "\nThe default SERVER is unix:%s/db.sock.\n"
251 "The default DATABASE is Open_vSwitch.\n",
252 program_name, program_name, ovs_rundir());
253 stream_usage("SERVER", true, true, true);
254 printf("\nOutput formatting options:\n"
255 " -f, --format=FORMAT set output formatting to FORMAT\n"
256 " (\"table\", \"html\", \"csv\", "
258 " --no-headings omit table heading row\n"
259 " --pretty pretty-print JSON in output");
262 printf("\nOther options:\n"
263 " -h, --help display this help message\n"
264 " -V, --version display version information\n");
269 parse_json(const char *s)
271 struct json *json = json_from_string(s);
272 if (json->type == JSON_STRING) {
273 ovs_fatal(0, "\"%s\": %s", s, json->u.string);
278 static struct jsonrpc *
279 open_jsonrpc(const char *server)
281 struct stream *stream;
284 error = stream_open_block(jsonrpc_stream_open(server, &stream), &stream);
285 if (error == EAFNOSUPPORT) {
286 struct pstream *pstream;
288 error = jsonrpc_pstream_open(server, &pstream);
290 ovs_fatal(error, "failed to connect or listen to \"%s\"", server);
293 VLOG_INFO("%s: waiting for connection...", server);
294 error = pstream_accept_block(pstream, &stream);
296 ovs_fatal(error, "failed to accept connection on \"%s\"", server);
299 pstream_close(pstream);
301 ovs_fatal(error, "failed to connect to \"%s\"", server);
304 return jsonrpc_open(stream);
308 print_json(struct json *json)
310 char *string = json_to_string(json, table_style.json_flags);
311 fputs(string, stdout);
316 print_and_free_json(struct json *json)
323 check_ovsdb_error(struct ovsdb_error *error)
326 ovs_fatal(0, "%s", ovsdb_error_to_string(error));
330 static struct ovsdb_schema *
331 fetch_schema(struct jsonrpc *rpc, const char *database)
333 struct jsonrpc_msg *request, *reply;
334 struct ovsdb_schema *schema;
337 request = jsonrpc_create_request("get_schema",
339 json_string_create(database)),
341 error = jsonrpc_transact_block(rpc, request, &reply);
343 ovs_fatal(error, "transaction failed");
345 check_ovsdb_error(ovsdb_schema_from_json(reply->result, &schema));
346 jsonrpc_msg_destroy(reply);
352 fetch_dbs(struct jsonrpc *rpc, struct sset *dbs)
354 struct jsonrpc_msg *request, *reply;
358 request = jsonrpc_create_request("list_dbs", json_array_create_empty(),
360 error = jsonrpc_transact_block(rpc, request, &reply);
362 ovs_fatal(error, "transaction failed");
365 if (reply->result->type != JSON_ARRAY) {
366 ovs_fatal(0, "list_dbs response is not array");
369 for (i = 0; i < reply->result->u.array.n; i++) {
370 const struct json *name = reply->result->u.array.elems[i];
372 if (name->type != JSON_STRING) {
373 ovs_fatal(0, "list_dbs response %zu is not string", i);
375 sset_add(dbs, name->u.string);
377 jsonrpc_msg_destroy(reply);
381 do_list_dbs(struct jsonrpc *rpc, const char *database OVS_UNUSED,
382 int argc OVS_UNUSED, char *argv[] OVS_UNUSED)
388 fetch_dbs(rpc, &dbs);
389 SSET_FOR_EACH (db_name, &dbs) {
396 do_get_schema(struct jsonrpc *rpc, const char *database,
397 int argc OVS_UNUSED, char *argv[] OVS_UNUSED)
399 struct ovsdb_schema *schema = fetch_schema(rpc, database);
400 print_and_free_json(ovsdb_schema_to_json(schema));
401 ovsdb_schema_destroy(schema);
405 do_get_schema_version(struct jsonrpc *rpc, const char *database,
406 int argc OVS_UNUSED, char *argv[] OVS_UNUSED)
408 struct ovsdb_schema *schema = fetch_schema(rpc, database);
409 puts(schema->version);
410 ovsdb_schema_destroy(schema);
414 do_list_tables(struct jsonrpc *rpc, const char *database,
415 int argc OVS_UNUSED, char *argv[] OVS_UNUSED)
417 struct ovsdb_schema *schema;
418 struct shash_node *node;
421 schema = fetch_schema(rpc, database);
423 table_add_column(&t, "Table");
424 SHASH_FOR_EACH (node, &schema->tables) {
425 struct ovsdb_table_schema *ts = node->data;
428 table_add_cell(&t)->text = xstrdup(ts->name);
430 ovsdb_schema_destroy(schema);
431 table_print(&t, &table_style);
435 do_list_columns(struct jsonrpc *rpc, const char *database,
436 int argc OVS_UNUSED, char *argv[])
438 const char *table_name = argv[0];
439 struct ovsdb_schema *schema;
440 struct shash_node *table_node;
443 schema = fetch_schema(rpc, database);
446 table_add_column(&t, "Table");
448 table_add_column(&t, "Column");
449 table_add_column(&t, "Type");
450 SHASH_FOR_EACH (table_node, &schema->tables) {
451 struct ovsdb_table_schema *ts = table_node->data;
453 if (!table_name || !strcmp(table_name, ts->name)) {
454 struct shash_node *column_node;
456 SHASH_FOR_EACH (column_node, &ts->columns) {
457 const struct ovsdb_column *column = column_node->data;
461 table_add_cell(&t)->text = xstrdup(ts->name);
463 table_add_cell(&t)->text = xstrdup(column->name);
464 table_add_cell(&t)->json = ovsdb_type_to_json(&column->type);
468 ovsdb_schema_destroy(schema);
469 table_print(&t, &table_style);
473 do_transact(struct jsonrpc *rpc, const char *database OVS_UNUSED,
474 int argc OVS_UNUSED, char *argv[])
476 struct jsonrpc_msg *request, *reply;
477 struct json *transaction;
480 transaction = parse_json(argv[0]);
482 request = jsonrpc_create_request("transact", transaction, NULL);
483 error = jsonrpc_transact_block(rpc, request, &reply);
485 ovs_fatal(error, "transaction failed");
488 ovs_fatal(error, "transaction returned error: %s",
489 json_to_string(reply->error, table_style.json_flags));
491 print_json(reply->result);
493 jsonrpc_msg_destroy(reply);
497 monitor_print_row(struct json *row, const char *type, const char *uuid,
498 const struct ovsdb_column_set *columns, struct table *t)
503 ovs_error(0, "missing %s row", type);
505 } else if (row->type != JSON_OBJECT) {
506 ovs_error(0, "<row> is not object");
511 table_add_cell(t)->text = xstrdup(uuid);
512 table_add_cell(t)->text = xstrdup(type);
513 for (i = 0; i < columns->n_columns; i++) {
514 const struct ovsdb_column *column = columns->columns[i];
515 struct json *value = shash_find_data(json_object(row), column->name);
516 struct cell *cell = table_add_cell(t);
518 cell->json = json_clone(value);
519 cell->type = &column->type;
525 monitor_print(struct json *table_updates,
526 const struct ovsdb_table_schema *table,
527 const struct ovsdb_column_set *columns, bool initial)
529 struct json *table_update;
530 struct shash_node *node;
536 if (table_updates->type != JSON_OBJECT) {
537 ovs_error(0, "<table-updates> is not object");
540 table_update = shash_find_data(json_object(table_updates), table->name);
544 if (table_update->type != JSON_OBJECT) {
545 ovs_error(0, "<table-update> is not object");
549 table_add_column(&t, "row");
550 table_add_column(&t, "action");
551 for (i = 0; i < columns->n_columns; i++) {
552 table_add_column(&t, "%s", columns->columns[i]->name);
554 SHASH_FOR_EACH (node, json_object(table_update)) {
555 struct json *row_update = node->data;
556 struct json *old, *new;
558 if (row_update->type != JSON_OBJECT) {
559 ovs_error(0, "<row-update> is not object");
562 old = shash_find_data(json_object(row_update), "old");
563 new = shash_find_data(json_object(row_update), "new");
565 monitor_print_row(new, "initial", node->name, columns, &t);
567 monitor_print_row(new, "insert", node->name, columns, &t);
569 monitor_print_row(old, "delete", node->name, columns, &t);
571 monitor_print_row(old, "old", node->name, columns, &t);
572 monitor_print_row(new, "new", "", columns, &t);
575 table_print(&t, &table_style);
580 add_column(const char *server, const struct ovsdb_column *column,
581 struct ovsdb_column_set *columns, struct json *columns_json)
583 if (ovsdb_column_set_contains(columns, column->index)) {
584 ovs_fatal(0, "%s: column \"%s\" mentioned multiple times",
585 server, column->name);
587 ovsdb_column_set_add(columns, column);
588 json_array_add(columns_json, json_string_create(column->name));
592 parse_monitor_columns(char *arg, const char *server, const char *database,
593 const struct ovsdb_table_schema *table,
594 struct ovsdb_column_set *columns)
596 bool initial, insert, delete, modify;
597 struct json *mr, *columns_json;
598 char *save_ptr = NULL;
601 mr = json_object_create();
602 columns_json = json_array_create_empty();
603 json_object_put(mr, "columns", columns_json);
605 initial = insert = delete = modify = true;
606 for (token = strtok_r(arg, ",", &save_ptr); token != NULL;
607 token = strtok_r(NULL, ",", &save_ptr)) {
608 if (!strcmp(token, "!initial")) {
610 } else if (!strcmp(token, "!insert")) {
612 } else if (!strcmp(token, "!delete")) {
614 } else if (!strcmp(token, "!modify")) {
617 const struct ovsdb_column *column;
619 column = ovsdb_table_schema_get_column(table, token);
621 ovs_fatal(0, "%s: table \"%s\" in %s does not have a "
622 "column named \"%s\"",
623 server, table->name, database, token);
625 add_column(server, column, columns, columns_json);
629 if (columns_json->u.array.n == 0) {
630 const struct shash_node **nodes;
633 n = shash_count(&table->columns);
634 nodes = shash_sort(&table->columns);
635 for (i = 0; i < n; i++) {
636 const struct ovsdb_column *column = nodes[i]->data;
637 if (column->index != OVSDB_COL_UUID
638 && column->index != OVSDB_COL_VERSION) {
639 add_column(server, column, columns, columns_json);
644 add_column(server, ovsdb_table_schema_get_column(table,"_version"),
645 columns, columns_json);
648 if (!initial || !insert || !delete || !modify) {
649 struct json *select = json_object_create();
650 json_object_put(select, "initial", json_boolean_create(initial));
651 json_object_put(select, "insert", json_boolean_create(insert));
652 json_object_put(select, "delete", json_boolean_create(delete));
653 json_object_put(select, "modify", json_boolean_create(modify));
654 json_object_put(mr, "select", select);
661 do_monitor(struct jsonrpc *rpc, const char *database,
662 int argc, char *argv[])
664 const char *server = jsonrpc_get_name(rpc);
665 const char *table_name = argv[0];
666 struct ovsdb_column_set columns = OVSDB_COLUMN_SET_INITIALIZER;
667 struct ovsdb_table_schema *table;
668 struct ovsdb_schema *schema;
669 struct jsonrpc_msg *request;
670 struct json *monitor, *monitor_request_array,
671 *monitor_requests, *request_id;
673 schema = fetch_schema(rpc, database);
674 table = shash_find_data(&schema->tables, table_name);
676 ovs_fatal(0, "%s: %s does not have a table named \"%s\"",
677 server, database, table_name);
680 monitor_request_array = json_array_create_empty();
684 for (i = 1; i < argc; i++) {
686 monitor_request_array,
687 parse_monitor_columns(argv[i], server, database, table,
691 /* Allocate a writable empty string since parse_monitor_columns() is
692 * going to strtok() it and that's risky with literal "". */
695 monitor_request_array,
696 parse_monitor_columns(empty, server, database, table, &columns));
699 monitor_requests = json_object_create();
700 json_object_put(monitor_requests, table_name, monitor_request_array);
702 monitor = json_array_create_3(json_string_create(database),
703 json_null_create(), monitor_requests);
704 request = jsonrpc_create_request("monitor", monitor, NULL);
705 request_id = json_clone(request->id);
706 jsonrpc_send(rpc, request);
708 struct jsonrpc_msg *msg;
711 error = jsonrpc_recv_block(rpc, &msg);
713 ovsdb_schema_destroy(schema);
714 ovs_fatal(error, "%s: receive failed", server);
717 if (msg->type == JSONRPC_REQUEST && !strcmp(msg->method, "echo")) {
718 jsonrpc_send(rpc, jsonrpc_create_reply(json_clone(msg->params),
720 } else if (msg->type == JSONRPC_REPLY
721 && json_equal(msg->id, request_id)) {
722 monitor_print(msg->result, table, &columns, true);
725 /* daemonize() closes the standard file descriptors. We output
726 * to stdout, so we need to save and restore STDOUT_FILENO. */
727 int fd = dup(STDOUT_FILENO);
729 dup2(fd, STDOUT_FILENO);
732 } else if (msg->type == JSONRPC_NOTIFY
733 && !strcmp(msg->method, "update")) {
734 struct json *params = msg->params;
735 if (params->type == JSON_ARRAY
736 && params->u.array.n == 2
737 && params->u.array.elems[0]->type == JSON_NULL) {
738 monitor_print(params->u.array.elems[1],
739 table, &columns, false);
743 jsonrpc_msg_destroy(msg);
747 struct dump_table_aux {
748 struct ovsdb_datum **data;
749 const struct ovsdb_column **columns;
754 compare_data(size_t a_y, size_t b_y, size_t x,
755 const struct dump_table_aux *aux)
757 return ovsdb_datum_compare_3way(&aux->data[a_y][x],
759 &aux->columns[x]->type);
763 compare_rows(size_t a_y, size_t b_y, void *aux_)
765 struct dump_table_aux *aux = aux_;
768 /* Skip UUID columns on the first pass, since their values tend to be
769 * random and make our results less reproducible. */
770 for (x = 0; x < aux->n_columns; x++) {
771 if (aux->columns[x]->type.key.type != OVSDB_TYPE_UUID) {
772 int cmp = compare_data(a_y, b_y, x, aux);
779 /* Use UUID columns as tie-breakers. */
780 for (x = 0; x < aux->n_columns; x++) {
781 if (aux->columns[x]->type.key.type == OVSDB_TYPE_UUID) {
782 int cmp = compare_data(a_y, b_y, x, aux);
793 swap_rows(size_t a_y, size_t b_y, void *aux_)
795 struct dump_table_aux *aux = aux_;
796 struct ovsdb_datum *tmp = aux->data[a_y];
797 aux->data[a_y] = aux->data[b_y];
798 aux->data[b_y] = tmp;
802 compare_columns(const void *a_, const void *b_)
804 const struct ovsdb_column *const *ap = a_;
805 const struct ovsdb_column *const *bp = b_;
806 const struct ovsdb_column *a = *ap;
807 const struct ovsdb_column *b = *bp;
809 return strcmp(a->name, b->name);
813 dump_table(const struct ovsdb_table_schema *ts, struct json_array *rows)
815 const struct ovsdb_column **columns;
818 struct ovsdb_datum **data;
820 struct dump_table_aux aux;
821 struct shash_node *node;
825 /* Sort columns by name, for reproducibility. */
826 columns = xmalloc(shash_count(&ts->columns) * sizeof *columns);
828 SHASH_FOR_EACH (node, &ts->columns) {
829 struct ovsdb_column *column = node->data;
830 if (strcmp(column->name, "_version")) {
831 columns[n_columns++] = column;
834 qsort(columns, n_columns, sizeof *columns, compare_columns);
836 /* Extract data from table. */
837 data = xmalloc(rows->n * sizeof *data);
838 for (y = 0; y < rows->n; y++) {
841 if (rows->elems[y]->type != JSON_OBJECT) {
842 ovs_fatal(0, "row %zu in table %s response is not a JSON object: "
843 "%s", y, ts->name, json_to_string(rows->elems[y], 0));
845 row = json_object(rows->elems[y]);
847 data[y] = xmalloc(n_columns * sizeof **data);
848 for (x = 0; x < n_columns; x++) {
849 const struct json *json = shash_find_data(row, columns[x]->name);
851 ovs_fatal(0, "row %zu in table %s response lacks %s column",
852 y, ts->name, columns[x]->name);
855 check_ovsdb_error(ovsdb_datum_from_json(&data[y][x],
861 /* Sort rows by column values, for reproducibility. */
863 aux.columns = columns;
864 aux.n_columns = n_columns;
865 sort(rows->n, compare_rows, swap_rows, &aux);
867 /* Add column headings. */
869 table_set_caption(&t, xasprintf("%s table", ts->name));
870 for (x = 0; x < n_columns; x++) {
871 table_add_column(&t, "%s", columns[x]->name);
875 for (y = 0; y < rows->n; y++) {
877 for (x = 0; x < n_columns; x++) {
878 struct cell *cell = table_add_cell(&t);
879 cell->json = ovsdb_datum_to_json(&data[y][x], &columns[x]->type);
880 cell->type = &columns[x]->type;
883 table_print(&t, &table_style);
888 do_dump(struct jsonrpc *rpc, const char *database,
889 int argc OVS_UNUSED, char *argv[] OVS_UNUSED)
891 struct jsonrpc_msg *request, *reply;
892 struct ovsdb_schema *schema;
893 struct json *transaction;
896 const struct shash_node **tables;
901 schema = fetch_schema(rpc, database);
902 tables = shash_sort(&schema->tables);
903 n_tables = shash_count(&schema->tables);
905 /* Construct transaction to retrieve entire database. */
906 transaction = json_array_create_1(json_string_create(database));
907 for (i = 0; i < n_tables; i++) {
908 const struct ovsdb_table_schema *ts = tables[i]->data;
909 struct json *op, *columns;
910 struct shash_node *node;
912 columns = json_array_create_empty();
913 SHASH_FOR_EACH (node, &ts->columns) {
914 const struct ovsdb_column *column = node->data;
916 if (strcmp(column->name, "_version")) {
917 json_array_add(columns, json_string_create(column->name));
921 op = json_object_create();
922 json_object_put_string(op, "op", "select");
923 json_object_put_string(op, "table", tables[i]->name);
924 json_object_put(op, "where", json_array_create_empty());
925 json_object_put(op, "columns", columns);
926 json_array_add(transaction, op);
929 /* Send request, get reply. */
930 request = jsonrpc_create_request("transact", transaction, NULL);
931 error = jsonrpc_transact_block(rpc, request, &reply);
933 ovs_fatal(error, "transaction failed");
936 /* Print database contents. */
937 if (reply->result->type != JSON_ARRAY
938 || reply->result->u.array.n != n_tables) {
939 ovs_fatal(0, "reply is not array of %zu elements: %s",
940 n_tables, json_to_string(reply->result, 0));
942 for (i = 0; i < n_tables; i++) {
943 const struct ovsdb_table_schema *ts = tables[i]->data;
944 const struct json *op_result = reply->result->u.array.elems[i];
947 if (op_result->type != JSON_OBJECT
948 || !(rows = shash_find_data(json_object(op_result), "rows"))
949 || rows->type != JSON_ARRAY) {
950 ovs_fatal(0, "%s table reply is not an object with a \"rows\" "
952 ts->name, json_to_string(op_result, 0));
955 dump_table(ts, &rows->u.array);
960 do_help(struct jsonrpc *rpc OVS_UNUSED, const char *database OVS_UNUSED,
961 int argc OVS_UNUSED, char *argv[] OVS_UNUSED)
966 /* All command handlers (except for "help") are expected to take an optional
967 * server socket name (e.g. "unix:...") as their first argument. The socket
968 * name argument must be included in max_args (but left out of min_args). The
969 * command name and socket name are not included in the arguments passed to the
970 * handler: the argv[0] passed to the handler is the first argument after the
971 * optional server socket name. The connection to the server is available as
972 * global variable 'rpc'. */
973 static const struct ovsdb_client_command all_commands[] = {
974 { "list-dbs", NEED_RPC, 0, 0, do_list_dbs },
975 { "get-schema", NEED_DATABASE, 0, 0, do_get_schema },
976 { "get-schema-version", NEED_DATABASE, 0, 0, do_get_schema_version },
977 { "list-tables", NEED_DATABASE, 0, 0, do_list_tables },
978 { "list-columns", NEED_DATABASE, 0, 1, do_list_columns },
979 { "transact", NEED_RPC, 1, 1, do_transact },
980 { "monitor", NEED_DATABASE, 1, INT_MAX, do_monitor },
981 { "dump", NEED_DATABASE, 0, 0, do_dump },
983 { "help", NEED_NONE, 0, INT_MAX, do_help },
985 { NULL, 0, 0, 0, NULL },