2 * Copyright (c) 2009, 2010, 2011, 2012, 2013 Nicira, Inc.
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.
28 #include "command-line.h"
33 #include "dynamic-string.h"
36 #include "lib/table.h"
38 #include "ovsdb-data.h"
39 #include "ovsdb-error.h"
43 #include "stream-ssl.h"
49 VLOG_DEFINE_THIS_MODULE(ovsdb_client);
52 NEED_NONE, /* No JSON-RPC connection or database name needed. */
53 NEED_RPC, /* JSON-RPC connection needed. */
54 NEED_DATABASE /* JSON-RPC connection and database name needed. */
57 struct ovsdb_client_command {
59 enum args_needed need;
62 void (*handler)(struct jsonrpc *rpc, const char *database,
63 int argc, char *argv[]);
66 /* --timestamp: Print a timestamp before each update on "monitor" command? */
67 static bool timestamp;
69 /* Format for table output. */
70 static struct table_style table_style = TABLE_STYLE_DEFAULT;
72 static const struct ovsdb_client_command all_commands[];
74 static void usage(void) NO_RETURN;
75 static void parse_options(int argc, char *argv[]);
76 static struct jsonrpc *open_jsonrpc(const char *server);
77 static void fetch_dbs(struct jsonrpc *, struct svec *dbs);
80 main(int argc, char *argv[])
82 const struct ovsdb_client_command *command;
86 proctitle_init(argc, argv);
87 set_program_name(argv[0]);
88 parse_options(argc, argv);
89 signal(SIGPIPE, SIG_IGN);
92 ovs_fatal(0, "missing command name; use --help for help");
95 for (command = all_commands; ; command++) {
97 VLOG_FATAL("unknown command '%s'; use --help for help",
99 } else if (!strcmp(command->name, argv[optind])) {
105 if (command->need != NEED_NONE) {
106 if (argc - optind > command->min_args
107 && (isalpha((unsigned char) argv[optind][0])
108 && strchr(argv[optind], ':'))) {
109 rpc = open_jsonrpc(argv[optind++]);
111 char *sock = xasprintf("unix:%s/db.sock", ovs_rundir());
112 rpc = open_jsonrpc(sock);
119 if (command->need == NEED_DATABASE) {
123 fetch_dbs(rpc, &dbs);
124 if (argc - optind > command->min_args
125 && svec_contains(&dbs, argv[optind])) {
126 database = argv[optind++];
127 } else if (dbs.n == 1) {
128 database = xstrdup(dbs.names[0]);
129 } else if (svec_contains(&dbs, "Open_vSwitch")) {
130 database = "Open_vSwitch";
132 ovs_fatal(0, "no default database for `%s' command, please "
133 "specify a database name", command->name);
140 if (argc - optind < command->min_args ||
141 argc - optind > command->max_args) {
142 VLOG_FATAL("invalid syntax for '%s' (use --help for help)",
146 command->handler(rpc, database, argc - optind, argv + optind);
150 if (ferror(stdout)) {
151 VLOG_FATAL("write to stdout failed");
153 if (ferror(stderr)) {
154 VLOG_FATAL("write to stderr failed");
161 parse_options(int argc, char *argv[])
164 OPT_BOOTSTRAP_CA_CERT = UCHAR_MAX + 1,
169 static const struct option long_options[] = {
170 {"verbose", optional_argument, NULL, 'v'},
171 {"help", no_argument, NULL, 'h'},
172 {"version", no_argument, NULL, 'V'},
173 {"timestamp", no_argument, NULL, OPT_TIMESTAMP},
176 {"bootstrap-ca-cert", required_argument, NULL, OPT_BOOTSTRAP_CA_CERT},
177 STREAM_SSL_LONG_OPTIONS,
182 char *short_options = long_options_to_short_options(long_options);
187 c = getopt_long(argc, argv, short_options, long_options, NULL);
197 ovs_print_version(0, 0);
201 vlog_set_verbosity(optarg);
204 DAEMON_OPTION_HANDLERS
206 TABLE_OPTION_HANDLERS(&table_style)
208 STREAM_SSL_OPTION_HANDLERS
210 case OPT_BOOTSTRAP_CA_CERT:
211 stream_ssl_set_ca_cert_file(optarg, true);
222 /* getopt_long() already set the value for us. */
235 printf("%s: Open vSwitch database JSON-RPC client\n"
236 "usage: %s [OPTIONS] COMMAND [ARG...]\n"
237 "\nValid commands are:\n"
238 "\n list-dbs [SERVER]\n"
239 " list databases available on SERVER\n"
240 "\n get-schema [SERVER] [DATABASE]\n"
241 " retrieve schema for DATABASE from SERVER\n"
242 "\n get-schema-version [SERVER] [DATABASE]\n"
243 " retrieve schema for DATABASE from SERVER and report only its\n"
244 " version number on stdout\n"
245 "\n list-tables [SERVER] [DATABASE]\n"
246 " list tables for DATABASE on SERVER\n"
247 "\n list-columns [SERVER] [DATABASE] [TABLE]\n"
248 " list columns in TABLE (or all tables) in DATABASE on SERVER\n"
249 "\n transact [SERVER] TRANSACTION\n"
250 " run TRANSACTION (a JSON array of operations) on SERVER\n"
251 " and print the results as JSON on stdout\n"
252 "\n monitor [SERVER] [DATABASE] TABLE [COLUMN,...]...\n"
253 " monitor contents of COLUMNs in TABLE in DATABASE on SERVER.\n"
254 " COLUMNs may include !initial, !insert, !delete, !modify\n"
255 " to avoid seeing the specified kinds of changes.\n"
256 "\n dump [SERVER] [DATABASE]\n"
257 " dump contents of DATABASE on SERVER to stdout\n"
258 "\nThe default SERVER is unix:%s/db.sock.\n"
259 "The default DATABASE is Open_vSwitch.\n",
260 program_name, program_name, ovs_rundir());
261 stream_usage("SERVER", true, true, true);
262 printf("\nOutput formatting options:\n"
263 " -f, --format=FORMAT set output formatting to FORMAT\n"
264 " (\"table\", \"html\", \"csv\", "
266 " --no-headings omit table heading row\n"
267 " --pretty pretty-print JSON in output\n"
268 " --timestamp timestamp \"monitor\" output");
271 printf("\nOther options:\n"
272 " -h, --help display this help message\n"
273 " -V, --version display version information\n");
278 check_txn(int error, struct jsonrpc_msg **reply_)
280 struct jsonrpc_msg *reply = *reply_;
283 ovs_fatal(error, "transaction failed");
287 ovs_fatal(error, "transaction returned error: %s",
288 json_to_string(reply->error, table_style.json_flags));
293 parse_json(const char *s)
295 struct json *json = json_from_string(s);
296 if (json->type == JSON_STRING) {
297 ovs_fatal(0, "\"%s\": %s", s, json->u.string);
302 static struct jsonrpc *
303 open_jsonrpc(const char *server)
305 struct stream *stream;
308 error = stream_open_block(jsonrpc_stream_open(server, &stream,
309 DSCP_DEFAULT), &stream);
310 if (error == EAFNOSUPPORT) {
311 struct pstream *pstream;
313 error = jsonrpc_pstream_open(server, &pstream, DSCP_DEFAULT);
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 svec *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 svec_add(dbs, name->u.string);
394 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)
407 fetch_dbs(rpc, &dbs);
408 SVEC_FOR_EACH (i, db_name, &dbs) {
415 do_get_schema(struct jsonrpc *rpc, const char *database,
416 int argc OVS_UNUSED, char *argv[] OVS_UNUSED)
418 struct ovsdb_schema *schema = fetch_schema(rpc, database);
419 print_and_free_json(ovsdb_schema_to_json(schema));
420 ovsdb_schema_destroy(schema);
424 do_get_schema_version(struct jsonrpc *rpc, const char *database,
425 int argc OVS_UNUSED, char *argv[] OVS_UNUSED)
427 struct ovsdb_schema *schema = fetch_schema(rpc, database);
428 puts(schema->version);
429 ovsdb_schema_destroy(schema);
433 do_list_tables(struct jsonrpc *rpc, const char *database,
434 int argc OVS_UNUSED, char *argv[] OVS_UNUSED)
436 struct ovsdb_schema *schema;
437 struct shash_node *node;
440 schema = fetch_schema(rpc, database);
442 table_add_column(&t, "Table");
443 SHASH_FOR_EACH (node, &schema->tables) {
444 struct ovsdb_table_schema *ts = node->data;
447 table_add_cell(&t)->text = xstrdup(ts->name);
449 ovsdb_schema_destroy(schema);
450 table_print(&t, &table_style);
454 do_list_columns(struct jsonrpc *rpc, const char *database,
455 int argc OVS_UNUSED, char *argv[])
457 const char *table_name = argv[0];
458 struct ovsdb_schema *schema;
459 struct shash_node *table_node;
462 schema = fetch_schema(rpc, database);
465 table_add_column(&t, "Table");
467 table_add_column(&t, "Column");
468 table_add_column(&t, "Type");
469 SHASH_FOR_EACH (table_node, &schema->tables) {
470 struct ovsdb_table_schema *ts = table_node->data;
472 if (!table_name || !strcmp(table_name, ts->name)) {
473 struct shash_node *column_node;
475 SHASH_FOR_EACH (column_node, &ts->columns) {
476 const struct ovsdb_column *column = column_node->data;
480 table_add_cell(&t)->text = xstrdup(ts->name);
482 table_add_cell(&t)->text = xstrdup(column->name);
483 table_add_cell(&t)->json = ovsdb_type_to_json(&column->type);
487 ovsdb_schema_destroy(schema);
488 table_print(&t, &table_style);
492 do_transact(struct jsonrpc *rpc, const char *database OVS_UNUSED,
493 int argc OVS_UNUSED, char *argv[])
495 struct jsonrpc_msg *request, *reply;
496 struct json *transaction;
498 transaction = parse_json(argv[0]);
500 request = jsonrpc_create_request("transact", transaction, NULL);
501 check_txn(jsonrpc_transact_block(rpc, request, &reply), &reply);
502 print_json(reply->result);
504 jsonrpc_msg_destroy(reply);
508 monitor_print_row(struct json *row, const char *type, const char *uuid,
509 const struct ovsdb_column_set *columns, struct table *t)
514 ovs_error(0, "missing %s row", type);
516 } else if (row->type != JSON_OBJECT) {
517 ovs_error(0, "<row> is not object");
522 table_add_cell(t)->text = xstrdup(uuid);
523 table_add_cell(t)->text = xstrdup(type);
524 for (i = 0; i < columns->n_columns; i++) {
525 const struct ovsdb_column *column = columns->columns[i];
526 struct json *value = shash_find_data(json_object(row), column->name);
527 struct cell *cell = table_add_cell(t);
529 cell->json = json_clone(value);
530 cell->type = &column->type;
536 monitor_print(struct json *table_updates,
537 const struct ovsdb_table_schema *table,
538 const struct ovsdb_column_set *columns, bool initial)
540 struct json *table_update;
541 struct shash_node *node;
546 table_set_timestamp(&t, timestamp);
548 if (table_updates->type != JSON_OBJECT) {
549 ovs_error(0, "<table-updates> is not object");
552 table_update = shash_find_data(json_object(table_updates), table->name);
556 if (table_update->type != JSON_OBJECT) {
557 ovs_error(0, "<table-update> is not object");
561 table_add_column(&t, "row");
562 table_add_column(&t, "action");
563 for (i = 0; i < columns->n_columns; i++) {
564 table_add_column(&t, "%s", columns->columns[i]->name);
566 SHASH_FOR_EACH (node, json_object(table_update)) {
567 struct json *row_update = node->data;
568 struct json *old, *new;
570 if (row_update->type != JSON_OBJECT) {
571 ovs_error(0, "<row-update> is not object");
574 old = shash_find_data(json_object(row_update), "old");
575 new = shash_find_data(json_object(row_update), "new");
577 monitor_print_row(new, "initial", node->name, columns, &t);
579 monitor_print_row(new, "insert", node->name, columns, &t);
581 monitor_print_row(old, "delete", node->name, columns, &t);
583 monitor_print_row(old, "old", node->name, columns, &t);
584 monitor_print_row(new, "new", "", columns, &t);
587 table_print(&t, &table_style);
592 add_column(const char *server, const struct ovsdb_column *column,
593 struct ovsdb_column_set *columns, struct json *columns_json)
595 if (ovsdb_column_set_contains(columns, column->index)) {
596 ovs_fatal(0, "%s: column \"%s\" mentioned multiple times",
597 server, column->name);
599 ovsdb_column_set_add(columns, column);
600 json_array_add(columns_json, json_string_create(column->name));
604 parse_monitor_columns(char *arg, const char *server, const char *database,
605 const struct ovsdb_table_schema *table,
606 struct ovsdb_column_set *columns)
608 bool initial, insert, delete, modify;
609 struct json *mr, *columns_json;
610 char *save_ptr = NULL;
613 mr = json_object_create();
614 columns_json = json_array_create_empty();
615 json_object_put(mr, "columns", columns_json);
617 initial = insert = delete = modify = true;
618 for (token = strtok_r(arg, ",", &save_ptr); token != NULL;
619 token = strtok_r(NULL, ",", &save_ptr)) {
620 if (!strcmp(token, "!initial")) {
622 } else if (!strcmp(token, "!insert")) {
624 } else if (!strcmp(token, "!delete")) {
626 } else if (!strcmp(token, "!modify")) {
629 const struct ovsdb_column *column;
631 column = ovsdb_table_schema_get_column(table, token);
633 ovs_fatal(0, "%s: table \"%s\" in %s does not have a "
634 "column named \"%s\"",
635 server, table->name, database, token);
637 add_column(server, column, columns, columns_json);
641 if (columns_json->u.array.n == 0) {
642 const struct shash_node **nodes;
645 n = shash_count(&table->columns);
646 nodes = shash_sort(&table->columns);
647 for (i = 0; i < n; i++) {
648 const struct ovsdb_column *column = nodes[i]->data;
649 if (column->index != OVSDB_COL_UUID
650 && column->index != OVSDB_COL_VERSION) {
651 add_column(server, column, columns, columns_json);
656 add_column(server, ovsdb_table_schema_get_column(table,"_version"),
657 columns, columns_json);
660 if (!initial || !insert || !delete || !modify) {
661 struct json *select = json_object_create();
662 json_object_put(select, "initial", json_boolean_create(initial));
663 json_object_put(select, "insert", json_boolean_create(insert));
664 json_object_put(select, "delete", json_boolean_create(delete));
665 json_object_put(select, "modify", json_boolean_create(modify));
666 json_object_put(mr, "select", select);
673 do_monitor(struct jsonrpc *rpc, const char *database,
674 int argc, char *argv[])
676 const char *server = jsonrpc_get_name(rpc);
677 const char *table_name = argv[0];
678 struct ovsdb_column_set columns = OVSDB_COLUMN_SET_INITIALIZER;
679 struct ovsdb_table_schema *table;
680 struct ovsdb_schema *schema;
681 struct jsonrpc_msg *request;
682 struct json *monitor, *monitor_request_array,
683 *monitor_requests, *request_id;
685 schema = fetch_schema(rpc, database);
686 table = shash_find_data(&schema->tables, table_name);
688 ovs_fatal(0, "%s: %s does not have a table named \"%s\"",
689 server, database, table_name);
692 monitor_request_array = json_array_create_empty();
696 for (i = 1; i < argc; i++) {
698 monitor_request_array,
699 parse_monitor_columns(argv[i], server, database, table,
703 /* Allocate a writable empty string since parse_monitor_columns() is
704 * going to strtok() it and that's risky with literal "". */
707 monitor_request_array,
708 parse_monitor_columns(empty, server, database, table, &columns));
711 monitor_requests = json_object_create();
712 json_object_put(monitor_requests, table_name, monitor_request_array);
714 monitor = json_array_create_3(json_string_create(database),
715 json_null_create(), monitor_requests);
716 request = jsonrpc_create_request("monitor", monitor, NULL);
717 request_id = json_clone(request->id);
718 jsonrpc_send(rpc, request);
720 struct jsonrpc_msg *msg;
723 error = jsonrpc_recv_block(rpc, &msg);
725 ovsdb_schema_destroy(schema);
726 ovs_fatal(error, "%s: receive failed", server);
729 if (msg->type == JSONRPC_REQUEST && !strcmp(msg->method, "echo")) {
730 jsonrpc_send(rpc, jsonrpc_create_reply(json_clone(msg->params),
732 } else if (msg->type == JSONRPC_REPLY
733 && json_equal(msg->id, request_id)) {
734 monitor_print(msg->result, table, &columns, true);
737 daemon_save_fd(STDOUT_FILENO);
740 } else if (msg->type == JSONRPC_NOTIFY
741 && !strcmp(msg->method, "update")) {
742 struct json *params = msg->params;
743 if (params->type == JSON_ARRAY
744 && params->u.array.n == 2
745 && params->u.array.elems[0]->type == JSON_NULL) {
746 monitor_print(params->u.array.elems[1],
747 table, &columns, false);
751 jsonrpc_msg_destroy(msg);
755 struct dump_table_aux {
756 struct ovsdb_datum **data;
757 const struct ovsdb_column **columns;
762 compare_data(size_t a_y, size_t b_y, size_t x,
763 const struct dump_table_aux *aux)
765 return ovsdb_datum_compare_3way(&aux->data[a_y][x],
767 &aux->columns[x]->type);
771 compare_rows(size_t a_y, size_t b_y, void *aux_)
773 struct dump_table_aux *aux = aux_;
776 /* Skip UUID columns on the first pass, since their values tend to be
777 * random and make our results less reproducible. */
778 for (x = 0; x < aux->n_columns; x++) {
779 if (aux->columns[x]->type.key.type != OVSDB_TYPE_UUID) {
780 int cmp = compare_data(a_y, b_y, x, aux);
787 /* Use UUID columns as tie-breakers. */
788 for (x = 0; x < aux->n_columns; x++) {
789 if (aux->columns[x]->type.key.type == OVSDB_TYPE_UUID) {
790 int cmp = compare_data(a_y, b_y, x, aux);
801 swap_rows(size_t a_y, size_t b_y, void *aux_)
803 struct dump_table_aux *aux = aux_;
804 struct ovsdb_datum *tmp = aux->data[a_y];
805 aux->data[a_y] = aux->data[b_y];
806 aux->data[b_y] = tmp;
810 compare_columns(const void *a_, const void *b_)
812 const struct ovsdb_column *const *ap = a_;
813 const struct ovsdb_column *const *bp = b_;
814 const struct ovsdb_column *a = *ap;
815 const struct ovsdb_column *b = *bp;
817 return strcmp(a->name, b->name);
821 dump_table(const struct ovsdb_table_schema *ts, struct json_array *rows)
823 const struct ovsdb_column **columns;
826 struct ovsdb_datum **data;
828 struct dump_table_aux aux;
829 struct shash_node *node;
833 /* Sort columns by name, for reproducibility. */
834 columns = xmalloc(shash_count(&ts->columns) * sizeof *columns);
836 SHASH_FOR_EACH (node, &ts->columns) {
837 struct ovsdb_column *column = node->data;
838 if (strcmp(column->name, "_version")) {
839 columns[n_columns++] = column;
842 qsort(columns, n_columns, sizeof *columns, compare_columns);
844 /* Extract data from table. */
845 data = xmalloc(rows->n * sizeof *data);
846 for (y = 0; y < rows->n; y++) {
849 if (rows->elems[y]->type != JSON_OBJECT) {
850 ovs_fatal(0, "row %zu in table %s response is not a JSON object: "
851 "%s", y, ts->name, json_to_string(rows->elems[y], 0));
853 row = json_object(rows->elems[y]);
855 data[y] = xmalloc(n_columns * sizeof **data);
856 for (x = 0; x < n_columns; x++) {
857 const struct json *json = shash_find_data(row, columns[x]->name);
859 ovs_fatal(0, "row %zu in table %s response lacks %s column",
860 y, ts->name, columns[x]->name);
863 check_ovsdb_error(ovsdb_datum_from_json(&data[y][x],
869 /* Sort rows by column values, for reproducibility. */
871 aux.columns = columns;
872 aux.n_columns = n_columns;
873 sort(rows->n, compare_rows, swap_rows, &aux);
875 /* Add column headings. */
877 table_set_caption(&t, xasprintf("%s table", ts->name));
878 for (x = 0; x < n_columns; x++) {
879 table_add_column(&t, "%s", columns[x]->name);
883 for (y = 0; y < rows->n; y++) {
885 for (x = 0; x < n_columns; x++) {
886 struct cell *cell = table_add_cell(&t);
887 cell->json = ovsdb_datum_to_json(&data[y][x], &columns[x]->type);
888 cell->type = &columns[x]->type;
889 ovsdb_datum_destroy(&data[y][x], &columns[x]->type);
893 table_print(&t, &table_style);
901 do_dump(struct jsonrpc *rpc, const char *database,
902 int argc OVS_UNUSED, char *argv[] OVS_UNUSED)
904 struct jsonrpc_msg *request, *reply;
905 struct ovsdb_schema *schema;
906 struct json *transaction;
908 const struct shash_node **tables;
913 schema = fetch_schema(rpc, database);
914 tables = shash_sort(&schema->tables);
915 n_tables = shash_count(&schema->tables);
917 /* Construct transaction to retrieve entire database. */
918 transaction = json_array_create_1(json_string_create(database));
919 for (i = 0; i < n_tables; i++) {
920 const struct ovsdb_table_schema *ts = tables[i]->data;
921 struct json *op, *columns;
922 struct shash_node *node;
924 columns = json_array_create_empty();
925 SHASH_FOR_EACH (node, &ts->columns) {
926 const struct ovsdb_column *column = node->data;
928 if (strcmp(column->name, "_version")) {
929 json_array_add(columns, json_string_create(column->name));
933 op = json_object_create();
934 json_object_put_string(op, "op", "select");
935 json_object_put_string(op, "table", tables[i]->name);
936 json_object_put(op, "where", json_array_create_empty());
937 json_object_put(op, "columns", columns);
938 json_array_add(transaction, op);
941 /* Send request, get reply. */
942 request = jsonrpc_create_request("transact", transaction, NULL);
943 check_txn(jsonrpc_transact_block(rpc, request, &reply), &reply);
945 /* Print database contents. */
946 if (reply->result->type != JSON_ARRAY
947 || reply->result->u.array.n != n_tables) {
948 ovs_fatal(0, "reply is not array of %zu elements: %s",
949 n_tables, json_to_string(reply->result, 0));
951 for (i = 0; i < n_tables; i++) {
952 const struct ovsdb_table_schema *ts = tables[i]->data;
953 const struct json *op_result = reply->result->u.array.elems[i];
956 if (op_result->type != JSON_OBJECT
957 || !(rows = shash_find_data(json_object(op_result), "rows"))
958 || rows->type != JSON_ARRAY) {
959 ovs_fatal(0, "%s table reply is not an object with a \"rows\" "
961 ts->name, json_to_string(op_result, 0));
964 dump_table(ts, &rows->u.array);
967 jsonrpc_msg_destroy(reply);
969 ovsdb_schema_destroy(schema);
973 do_help(struct jsonrpc *rpc OVS_UNUSED, const char *database OVS_UNUSED,
974 int argc OVS_UNUSED, char *argv[] OVS_UNUSED)
979 /* All command handlers (except for "help") are expected to take an optional
980 * server socket name (e.g. "unix:...") as their first argument. The socket
981 * name argument must be included in max_args (but left out of min_args). The
982 * command name and socket name are not included in the arguments passed to the
983 * handler: the argv[0] passed to the handler is the first argument after the
984 * optional server socket name. The connection to the server is available as
985 * global variable 'rpc'. */
986 static const struct ovsdb_client_command all_commands[] = {
987 { "list-dbs", NEED_RPC, 0, 0, do_list_dbs },
988 { "get-schema", NEED_DATABASE, 0, 0, do_get_schema },
989 { "get-schema-version", NEED_DATABASE, 0, 0, do_get_schema_version },
990 { "list-tables", NEED_DATABASE, 0, 0, do_list_tables },
991 { "list-columns", NEED_DATABASE, 0, 1, do_list_columns },
992 { "transact", NEED_RPC, 1, 1, do_transact },
993 { "monitor", NEED_DATABASE, 1, INT_MAX, do_monitor },
994 { "dump", NEED_DATABASE, 0, 0, do_dump },
996 { "help", NEED_NONE, 0, INT_MAX, do_help },
998 { NULL, 0, 0, 0, NULL },