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d0632593 | 1 | /* |
2b03ef95 | 2 | * Copyright (c) 2009-2017 Nicira, Inc. |
d0632593 BP |
3 | * |
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: | |
7 | * | |
8 | * http://www.apache.org/licenses/LICENSE-2.0 | |
9 | * | |
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. | |
15 | */ | |
16 | ||
17 | #include <config.h> | |
18 | ||
53ffefe9 | 19 | #include <ctype.h> |
d0632593 BP |
20 | #include <errno.h> |
21 | #include <getopt.h> | |
22 | #include <limits.h> | |
23 | #include <signal.h> | |
24 | #include <stdlib.h> | |
25 | #include <string.h> | |
26 | #include <unistd.h> | |
27 | ||
28 | #include "command-line.h" | |
29 | #include "column.h" | |
30 | #include "compiler.h" | |
3f262d7d | 31 | #include "daemon.h" |
53ffefe9 | 32 | #include "dirs.h" |
3e8a2ad1 | 33 | #include "openvswitch/dynamic-string.h" |
8a777cf6 | 34 | #include "fatal-signal.h" |
4d0a31b6 | 35 | #include "file.h" |
ee89ea7b | 36 | #include "openvswitch/json.h" |
d0632593 | 37 | #include "jsonrpc.h" |
3a3eb9da | 38 | #include "lib/table.h" |
4d0a31b6 | 39 | #include "log.h" |
d0632593 | 40 | #include "ovsdb.h" |
c3a0bfd5 | 41 | #include "ovsdb-data.h" |
d0632593 | 42 | #include "ovsdb-error.h" |
fd016ae3 | 43 | #include "openvswitch/poll-loop.h" |
fe0fb885 | 44 | #include "row.h" |
25c269ef | 45 | #include "sort.h" |
9a614624 | 46 | #include "svec.h" |
d0632593 | 47 | #include "stream.h" |
9467fe62 | 48 | #include "stream-ssl.h" |
d0632593 | 49 | #include "table.h" |
85226894 | 50 | #include "monitor.h" |
c383f3bf | 51 | #include "condition.h" |
d0632593 | 52 | #include "timeval.h" |
4227b221 | 53 | #include "unixctl.h" |
d0632593 | 54 | #include "util.h" |
e6211adc | 55 | #include "openvswitch/vlog.h" |
5136ce49 | 56 | |
d98e6007 | 57 | VLOG_DEFINE_THIS_MODULE(ovsdb_client); |
d0632593 | 58 | |
53ffefe9 BP |
59 | enum args_needed { |
60 | NEED_NONE, /* No JSON-RPC connection or database name needed. */ | |
61 | NEED_RPC, /* JSON-RPC connection needed. */ | |
62 | NEED_DATABASE /* JSON-RPC connection and database name needed. */ | |
63 | }; | |
64 | ||
65 | struct ovsdb_client_command { | |
66 | const char *name; | |
67 | enum args_needed need; | |
68 | int min_args; | |
69 | int max_args; | |
70 | void (*handler)(struct jsonrpc *rpc, const char *database, | |
71 | int argc, char *argv[]); | |
72 | }; | |
73 | ||
8f46c9bb BP |
74 | /* --timestamp: Print a timestamp before each update on "monitor" command? */ |
75 | static bool timestamp; | |
76 | ||
fe0fb885 BP |
77 | /* --force: Ignore schema differences for "restore" command? */ |
78 | static bool force; | |
79 | ||
3a3eb9da BP |
80 | /* Format for table output. */ |
81 | static struct table_style table_style = TABLE_STYLE_DEFAULT; | |
c3a0bfd5 | 82 | |
3815d6c2 | 83 | static const struct ovsdb_client_command *get_all_commands(void); |
d0632593 | 84 | |
cab50449 | 85 | OVS_NO_RETURN static void usage(void); |
d0632593 | 86 | static void parse_options(int argc, char *argv[]); |
53ffefe9 | 87 | static struct jsonrpc *open_jsonrpc(const char *server); |
9a614624 | 88 | static void fetch_dbs(struct jsonrpc *, struct svec *dbs); |
d0632593 BP |
89 | |
90 | int | |
91 | main(int argc, char *argv[]) | |
92 | { | |
53ffefe9 | 93 | const struct ovsdb_client_command *command; |
af65491d | 94 | char *database; |
53ffefe9 BP |
95 | struct jsonrpc *rpc; |
96 | ||
5f383751 | 97 | ovs_cmdl_proctitle_init(argc, argv); |
d0632593 | 98 | set_program_name(argv[0]); |
fe559381 | 99 | service_start(&argc, &argv); |
d0632593 | 100 | parse_options(argc, argv); |
8a777cf6 | 101 | fatal_ignore_sigpipe(); |
53ffefe9 | 102 | |
e91b927d | 103 | daemon_become_new_user(false); |
53ffefe9 BP |
104 | if (optind >= argc) { |
105 | ovs_fatal(0, "missing command name; use --help for help"); | |
106 | } | |
107 | ||
3815d6c2 | 108 | for (command = get_all_commands(); ; command++) { |
53ffefe9 BP |
109 | if (!command->name) { |
110 | VLOG_FATAL("unknown command '%s'; use --help for help", | |
111 | argv[optind]); | |
112 | } else if (!strcmp(command->name, argv[optind])) { | |
113 | break; | |
114 | } | |
115 | } | |
116 | optind++; | |
117 | ||
118 | if (command->need != NEED_NONE) { | |
119 | if (argc - optind > command->min_args | |
120 | && (isalpha((unsigned char) argv[optind][0]) | |
121 | && strchr(argv[optind], ':'))) { | |
122 | rpc = open_jsonrpc(argv[optind++]); | |
123 | } else { | |
124 | char *sock = xasprintf("unix:%s/db.sock", ovs_rundir()); | |
125 | rpc = open_jsonrpc(sock); | |
126 | free(sock); | |
127 | } | |
128 | } else { | |
129 | rpc = NULL; | |
130 | } | |
131 | ||
132 | if (command->need == NEED_DATABASE) { | |
9a614624 | 133 | struct svec dbs; |
53ffefe9 | 134 | |
9a614624 | 135 | svec_init(&dbs); |
53ffefe9 BP |
136 | fetch_dbs(rpc, &dbs); |
137 | if (argc - optind > command->min_args | |
9a614624 | 138 | && svec_contains(&dbs, argv[optind])) { |
af65491d | 139 | database = xstrdup(argv[optind++]); |
9a614624 | 140 | } else if (svec_contains(&dbs, "Open_vSwitch")) { |
af65491d | 141 | database = xstrdup("Open_vSwitch"); |
53ffefe9 | 142 | } else { |
bc7bcc40 BP |
143 | size_t n = 0; |
144 | const char *best = NULL; | |
145 | for (size_t i = 0; i < dbs.n; i++) { | |
146 | if (dbs.names[i][0] != '_') { | |
147 | best = dbs.names[i]; | |
148 | n++; | |
149 | } | |
150 | } | |
151 | if (n != 1) { | |
152 | jsonrpc_close(rpc); | |
153 | ovs_fatal(0, "no default database for `%s' command, please " | |
154 | "specify a database name", command->name); | |
155 | } | |
156 | database = xstrdup(best); | |
53ffefe9 | 157 | } |
9a614624 | 158 | svec_destroy(&dbs); |
53ffefe9 BP |
159 | } else { |
160 | database = NULL; | |
161 | } | |
162 | ||
163 | if (argc - optind < command->min_args || | |
164 | argc - optind > command->max_args) { | |
880f5c03 | 165 | free(database); |
53ffefe9 BP |
166 | VLOG_FATAL("invalid syntax for '%s' (use --help for help)", |
167 | command->name); | |
168 | } | |
169 | ||
170 | command->handler(rpc, database, argc - optind, argv + optind); | |
171 | ||
af65491d | 172 | free(database); |
53ffefe9 BP |
173 | jsonrpc_close(rpc); |
174 | ||
175 | if (ferror(stdout)) { | |
176 | VLOG_FATAL("write to stdout failed"); | |
177 | } | |
178 | if (ferror(stderr)) { | |
179 | VLOG_FATAL("write to stderr failed"); | |
180 | } | |
181 | ||
d0632593 BP |
182 | return 0; |
183 | } | |
184 | ||
185 | static void | |
186 | parse_options(int argc, char *argv[]) | |
187 | { | |
9467fe62 | 188 | enum { |
8274ae95 | 189 | OPT_BOOTSTRAP_CA_CERT = UCHAR_MAX + 1, |
8f46c9bb | 190 | OPT_TIMESTAMP, |
fe0fb885 | 191 | OPT_FORCE, |
1af09488 | 192 | VLOG_OPTION_ENUMS, |
8274ae95 | 193 | DAEMON_OPTION_ENUMS, |
e18a1d08 ER |
194 | TABLE_OPTION_ENUMS, |
195 | SSL_OPTION_ENUMS, | |
9467fe62 | 196 | }; |
07fc4ed3 | 197 | static const struct option long_options[] = { |
e3c17733 BP |
198 | {"help", no_argument, NULL, 'h'}, |
199 | {"version", no_argument, NULL, 'V'}, | |
8f46c9bb | 200 | {"timestamp", no_argument, NULL, OPT_TIMESTAMP}, |
fe0fb885 | 201 | {"force", no_argument, NULL, OPT_FORCE}, |
1af09488 | 202 | VLOG_LONG_OPTIONS, |
3f262d7d | 203 | DAEMON_LONG_OPTIONS, |
9467fe62 | 204 | #ifdef HAVE_OPENSSL |
e3c17733 | 205 | {"bootstrap-ca-cert", required_argument, NULL, OPT_BOOTSTRAP_CA_CERT}, |
bf8f2167 | 206 | STREAM_SSL_LONG_OPTIONS, |
9467fe62 | 207 | #endif |
bf8f2167 | 208 | TABLE_LONG_OPTIONS, |
e3c17733 | 209 | {NULL, 0, NULL, 0}, |
d0632593 | 210 | }; |
5f383751 | 211 | char *short_options = ovs_cmdl_long_options_to_short_options(long_options); |
d0632593 | 212 | |
c4817da7 LR |
213 | table_style.format = TF_TABLE; |
214 | ||
d0632593 BP |
215 | for (;;) { |
216 | int c; | |
217 | ||
218 | c = getopt_long(argc, argv, short_options, long_options, NULL); | |
219 | if (c == -1) { | |
220 | break; | |
221 | } | |
222 | ||
223 | switch (c) { | |
d0632593 BP |
224 | case 'h': |
225 | usage(); | |
226 | ||
227 | case 'V': | |
55d5bb44 | 228 | ovs_print_version(0, 0); |
d0632593 BP |
229 | exit(EXIT_SUCCESS); |
230 | ||
1af09488 | 231 | VLOG_OPTION_HANDLERS |
3f262d7d | 232 | DAEMON_OPTION_HANDLERS |
3a3eb9da | 233 | TABLE_OPTION_HANDLERS(&table_style) |
9467fe62 BP |
234 | STREAM_SSL_OPTION_HANDLERS |
235 | ||
236 | case OPT_BOOTSTRAP_CA_CERT: | |
237 | stream_ssl_set_ca_cert_file(optarg, true); | |
238 | break; | |
9467fe62 | 239 | |
8f46c9bb BP |
240 | case OPT_TIMESTAMP: |
241 | timestamp = true; | |
242 | break; | |
243 | ||
fe0fb885 BP |
244 | case OPT_FORCE: |
245 | force = true; | |
246 | break; | |
247 | ||
d0632593 BP |
248 | case '?': |
249 | exit(EXIT_FAILURE); | |
250 | ||
251 | case 0: | |
252 | /* getopt_long() already set the value for us. */ | |
253 | break; | |
254 | ||
255 | default: | |
256 | abort(); | |
257 | } | |
258 | } | |
259 | free(short_options); | |
260 | } | |
261 | ||
262 | static void | |
263 | usage(void) | |
264 | { | |
265 | printf("%s: Open vSwitch database JSON-RPC client\n" | |
266 | "usage: %s [OPTIONS] COMMAND [ARG...]\n" | |
267 | "\nValid commands are:\n" | |
53ffefe9 | 268 | "\n list-dbs [SERVER]\n" |
9cb53f26 | 269 | " list databases available on SERVER\n" |
53ffefe9 | 270 | "\n get-schema [SERVER] [DATABASE]\n" |
9cb53f26 | 271 | " retrieve schema for DATABASE from SERVER\n" |
53ffefe9 | 272 | "\n get-schema-version [SERVER] [DATABASE]\n" |
8159b984 BP |
273 | " retrieve schema for DATABASE from SERVER and report only its\n" |
274 | " version number on stdout\n" | |
33785c07 BP |
275 | "\n get-schema-cksum [SERVER] [DATABASE]\n" |
276 | " retrieve schema for DATABASE from SERVER and report only its\n" | |
277 | " checksum on stdout\n" | |
53ffefe9 | 278 | "\n list-tables [SERVER] [DATABASE]\n" |
25c269ef | 279 | " list tables for DATABASE on SERVER\n" |
53ffefe9 | 280 | "\n list-columns [SERVER] [DATABASE] [TABLE]\n" |
9cb53f26 | 281 | " list columns in TABLE (or all tables) in DATABASE on SERVER\n" |
53ffefe9 | 282 | "\n transact [SERVER] TRANSACTION\n" |
838f9c31 | 283 | " run TRANSACTION (params for \"transact\" request) on SERVER\n" |
a8425c53 | 284 | " and print the results as JSON on stdout\n" |
838f9c31 BP |
285 | "\n query [SERVER] TRANSACTION\n" |
286 | " run TRANSACTION (params for \"transact\" request) on SERVER,\n" | |
287 | " as read-only, and print the results as JSON on stdout\n" | |
53ffefe9 | 288 | "\n monitor [SERVER] [DATABASE] TABLE [COLUMN,...]...\n" |
20aa445d BP |
289 | " monitor contents of COLUMNs in TABLE in DATABASE on SERVER.\n" |
290 | " COLUMNs may include !initial, !insert, !delete, !modify\n" | |
291 | " to avoid seeing the specified kinds of changes.\n" | |
c383f3bf LS |
292 | "\n monitor-cond [SERVER] [DATABASE] CONDITION TABLE [COLUMN,...]...\n" |
293 | " monitor contents that match CONDITION of COLUMNs in TABLE in\n" | |
294 | " DATABASE on SERVER.\n" | |
295 | " COLUMNs may include !initial, !insert, !delete, !modify\n" | |
296 | " to avoid seeing the specified kinds of changes.\n" | |
4227b221 BP |
297 | "\n monitor [SERVER] [DATABASE] ALL\n" |
298 | " monitor all changes to all columns in all tables\n" | |
299 | " in DATBASE on SERVER.\n" | |
85226894 | 300 | "\n dump [SERVER] [DATABASE]\n" |
53ffefe9 | 301 | " dump contents of DATABASE on SERVER to stdout\n" |
fe0fb885 | 302 | "\n backup [SERVER] [DATABASE] > SNAPSHOT\n" |
4d0a31b6 | 303 | " dump database contents in the form of a database file\n" |
fe0fb885 BP |
304 | "\n [--force] restore [SERVER] [DATABASE] < SNAPSHOT\n" |
305 | " restore database contents from a database file\n" | |
9aeba3f4 AZ |
306 | "\n lock [SERVER] LOCK\n" |
307 | " create or wait for LOCK in SERVER\n" | |
308 | "\n steal [SERVER] LOCK\n" | |
309 | " steal LOCK from SERVER\n" | |
310 | "\n unlock [SERVER] LOCK\n" | |
311 | " unlock LOCK from SERVER\n" | |
53ffefe9 BP |
312 | "\nThe default SERVER is unix:%s/db.sock.\n" |
313 | "The default DATABASE is Open_vSwitch.\n", | |
314 | program_name, program_name, ovs_rundir()); | |
9467fe62 | 315 | stream_usage("SERVER", true, true, true); |
bcb58ce0 LR |
316 | table_usage(); |
317 | printf(" --timestamp timestamp \"monitor\" output"); | |
3f262d7d | 318 | daemon_usage(); |
d0632593 BP |
319 | vlog_usage(); |
320 | printf("\nOther options:\n" | |
321 | " -h, --help display this help message\n" | |
322 | " -V, --version display version information\n"); | |
323 | exit(EXIT_SUCCESS); | |
324 | } | |
325 | \f | |
d35f8e72 EJ |
326 | static void |
327 | check_txn(int error, struct jsonrpc_msg **reply_) | |
328 | { | |
329 | struct jsonrpc_msg *reply = *reply_; | |
330 | ||
331 | if (error) { | |
332 | ovs_fatal(error, "transaction failed"); | |
333 | } | |
334 | ||
335 | if (reply->error) { | |
336 | ovs_fatal(error, "transaction returned error: %s", | |
337 | json_to_string(reply->error, table_style.json_flags)); | |
338 | } | |
339 | } | |
340 | ||
6d65eee8 BP |
341 | static struct json * |
342 | parse_json(const char *s) | |
343 | { | |
344 | struct json *json = json_from_string(s); | |
345 | if (json->type == JSON_STRING) { | |
346 | ovs_fatal(0, "\"%s\": %s", s, json->u.string); | |
347 | } | |
348 | return json; | |
349 | } | |
350 | ||
d0632593 BP |
351 | static struct jsonrpc * |
352 | open_jsonrpc(const char *server) | |
353 | { | |
354 | struct stream *stream; | |
355 | int error; | |
356 | ||
f125905c MM |
357 | error = stream_open_block(jsonrpc_stream_open(server, &stream, |
358 | DSCP_DEFAULT), &stream); | |
1b0f0f17 BP |
359 | if (error == EAFNOSUPPORT) { |
360 | struct pstream *pstream; | |
361 | ||
f125905c | 362 | error = jsonrpc_pstream_open(server, &pstream, DSCP_DEFAULT); |
1b0f0f17 BP |
363 | if (error) { |
364 | ovs_fatal(error, "failed to connect or listen to \"%s\"", server); | |
365 | } | |
366 | ||
367 | VLOG_INFO("%s: waiting for connection...", server); | |
368 | error = pstream_accept_block(pstream, &stream); | |
369 | if (error) { | |
370 | ovs_fatal(error, "failed to accept connection on \"%s\"", server); | |
371 | } | |
372 | ||
373 | pstream_close(pstream); | |
374 | } else if (error) { | |
d0632593 BP |
375 | ovs_fatal(error, "failed to connect to \"%s\"", server); |
376 | } | |
377 | ||
378 | return jsonrpc_open(stream); | |
379 | } | |
380 | ||
381 | static void | |
382 | print_json(struct json *json) | |
383 | { | |
3a3eb9da | 384 | char *string = json_to_string(json, table_style.json_flags); |
838f9c31 | 385 | puts(string); |
d0632593 BP |
386 | free(string); |
387 | } | |
388 | ||
389 | static void | |
390 | print_and_free_json(struct json *json) | |
391 | { | |
392 | print_json(json); | |
393 | json_destroy(json); | |
394 | } | |
395 | ||
396 | static void | |
397 | check_ovsdb_error(struct ovsdb_error *error) | |
398 | { | |
399 | if (error) { | |
400 | ovs_fatal(0, "%s", ovsdb_error_to_string(error)); | |
401 | } | |
402 | } | |
403 | ||
404 | static struct ovsdb_schema * | |
53ffefe9 | 405 | fetch_schema(struct jsonrpc *rpc, const char *database) |
d0632593 BP |
406 | { |
407 | struct jsonrpc_msg *request, *reply; | |
408 | struct ovsdb_schema *schema; | |
d0632593 | 409 | |
9cb53f26 BP |
410 | request = jsonrpc_create_request("get_schema", |
411 | json_array_create_1( | |
412 | json_string_create(database)), | |
20bed8be | 413 | NULL); |
d35f8e72 | 414 | check_txn(jsonrpc_transact_block(rpc, request, &reply), &reply); |
d0632593 BP |
415 | check_ovsdb_error(ovsdb_schema_from_json(reply->result, &schema)); |
416 | jsonrpc_msg_destroy(reply); | |
a8425c53 BP |
417 | |
418 | return schema; | |
419 | } | |
420 | ||
9cb53f26 | 421 | static void |
9a614624 | 422 | fetch_dbs(struct jsonrpc *rpc, struct svec *dbs) |
9cb53f26 BP |
423 | { |
424 | struct jsonrpc_msg *request, *reply; | |
9cb53f26 BP |
425 | size_t i; |
426 | ||
9cb53f26 BP |
427 | request = jsonrpc_create_request("list_dbs", json_array_create_empty(), |
428 | NULL); | |
9cb53f26 | 429 | |
d35f8e72 | 430 | check_txn(jsonrpc_transact_block(rpc, request, &reply), &reply); |
9cb53f26 BP |
431 | if (reply->result->type != JSON_ARRAY) { |
432 | ovs_fatal(0, "list_dbs response is not array"); | |
433 | } | |
434 | ||
435 | for (i = 0; i < reply->result->u.array.n; i++) { | |
436 | const struct json *name = reply->result->u.array.elems[i]; | |
437 | ||
438 | if (name->type != JSON_STRING) { | |
34582733 | 439 | ovs_fatal(0, "list_dbs response %"PRIuSIZE" is not string", i); |
9cb53f26 | 440 | } |
9a614624 | 441 | svec_add(dbs, name->u.string); |
9cb53f26 BP |
442 | } |
443 | jsonrpc_msg_destroy(reply); | |
71fceeb0 | 444 | svec_sort(dbs); |
9cb53f26 | 445 | } |
53ffefe9 BP |
446 | \f |
447 | static void | |
448 | do_list_dbs(struct jsonrpc *rpc, const char *database OVS_UNUSED, | |
449 | int argc OVS_UNUSED, char *argv[] OVS_UNUSED) | |
450 | { | |
451 | const char *db_name; | |
9a614624 BP |
452 | struct svec dbs; |
453 | size_t i; | |
53ffefe9 | 454 | |
9a614624 | 455 | svec_init(&dbs); |
53ffefe9 | 456 | fetch_dbs(rpc, &dbs); |
9a614624 | 457 | SVEC_FOR_EACH (i, db_name, &dbs) { |
53ffefe9 BP |
458 | puts(db_name); |
459 | } | |
9a614624 | 460 | svec_destroy(&dbs); |
53ffefe9 | 461 | } |
9cb53f26 | 462 | |
d0632593 | 463 | static void |
53ffefe9 BP |
464 | do_get_schema(struct jsonrpc *rpc, const char *database, |
465 | int argc OVS_UNUSED, char *argv[] OVS_UNUSED) | |
d0632593 | 466 | { |
53ffefe9 | 467 | struct ovsdb_schema *schema = fetch_schema(rpc, database); |
d0632593 BP |
468 | print_and_free_json(ovsdb_schema_to_json(schema)); |
469 | ovsdb_schema_destroy(schema); | |
470 | } | |
471 | ||
8159b984 | 472 | static void |
53ffefe9 BP |
473 | do_get_schema_version(struct jsonrpc *rpc, const char *database, |
474 | int argc OVS_UNUSED, char *argv[] OVS_UNUSED) | |
8159b984 | 475 | { |
53ffefe9 | 476 | struct ovsdb_schema *schema = fetch_schema(rpc, database); |
8159b984 BP |
477 | puts(schema->version); |
478 | ovsdb_schema_destroy(schema); | |
479 | } | |
480 | ||
33785c07 BP |
481 | static void |
482 | do_get_schema_cksum(struct jsonrpc *rpc, const char *database, | |
483 | int argc OVS_UNUSED, char *argv[] OVS_UNUSED) | |
484 | { | |
485 | struct ovsdb_schema *schema = fetch_schema(rpc, database); | |
486 | puts(schema->cksum); | |
487 | ovsdb_schema_destroy(schema); | |
488 | } | |
489 | ||
d0632593 | 490 | static void |
53ffefe9 BP |
491 | do_list_tables(struct jsonrpc *rpc, const char *database, |
492 | int argc OVS_UNUSED, char *argv[] OVS_UNUSED) | |
d0632593 BP |
493 | { |
494 | struct ovsdb_schema *schema; | |
495 | struct shash_node *node; | |
496 | struct table t; | |
497 | ||
53ffefe9 | 498 | schema = fetch_schema(rpc, database); |
d0632593 BP |
499 | table_init(&t); |
500 | table_add_column(&t, "Table"); | |
d0632593 BP |
501 | SHASH_FOR_EACH (node, &schema->tables) { |
502 | struct ovsdb_table_schema *ts = node->data; | |
503 | ||
504 | table_add_row(&t); | |
772387d5 | 505 | table_add_cell(&t)->text = xstrdup(ts->name); |
d0632593 BP |
506 | } |
507 | ovsdb_schema_destroy(schema); | |
3a3eb9da | 508 | table_print(&t, &table_style); |
af65491d | 509 | table_destroy(&t); |
d0632593 BP |
510 | } |
511 | ||
512 | static void | |
53ffefe9 BP |
513 | do_list_columns(struct jsonrpc *rpc, const char *database, |
514 | int argc OVS_UNUSED, char *argv[]) | |
d0632593 | 515 | { |
53ffefe9 | 516 | const char *table_name = argv[0]; |
d0632593 BP |
517 | struct ovsdb_schema *schema; |
518 | struct shash_node *table_node; | |
519 | struct table t; | |
520 | ||
53ffefe9 | 521 | schema = fetch_schema(rpc, database); |
d0632593 BP |
522 | table_init(&t); |
523 | if (!table_name) { | |
524 | table_add_column(&t, "Table"); | |
525 | } | |
526 | table_add_column(&t, "Column"); | |
527 | table_add_column(&t, "Type"); | |
d0632593 BP |
528 | SHASH_FOR_EACH (table_node, &schema->tables) { |
529 | struct ovsdb_table_schema *ts = table_node->data; | |
530 | ||
531 | if (!table_name || !strcmp(table_name, ts->name)) { | |
532 | struct shash_node *column_node; | |
533 | ||
534 | SHASH_FOR_EACH (column_node, &ts->columns) { | |
bd76d25d | 535 | const struct ovsdb_column *column = column_node->data; |
d0632593 BP |
536 | |
537 | table_add_row(&t); | |
538 | if (!table_name) { | |
772387d5 | 539 | table_add_cell(&t)->text = xstrdup(ts->name); |
d0632593 | 540 | } |
772387d5 BP |
541 | table_add_cell(&t)->text = xstrdup(column->name); |
542 | table_add_cell(&t)->json = ovsdb_type_to_json(&column->type); | |
d0632593 BP |
543 | } |
544 | } | |
545 | } | |
546 | ovsdb_schema_destroy(schema); | |
3a3eb9da | 547 | table_print(&t, &table_style); |
af65491d | 548 | table_destroy(&t); |
d0632593 BP |
549 | } |
550 | ||
838f9c31 BP |
551 | static struct json * |
552 | do_transact__(struct jsonrpc *rpc, struct json *transaction) | |
6d65eee8 BP |
553 | { |
554 | struct jsonrpc_msg *request, *reply; | |
6d65eee8 | 555 | |
20bed8be | 556 | request = jsonrpc_create_request("transact", transaction, NULL); |
d35f8e72 | 557 | check_txn(jsonrpc_transact_block(rpc, request, &reply), &reply); |
838f9c31 | 558 | struct json *result = json_clone(reply->result); |
6d65eee8 | 559 | jsonrpc_msg_destroy(reply); |
838f9c31 BP |
560 | |
561 | return result; | |
562 | } | |
563 | ||
564 | static void | |
565 | do_transact(struct jsonrpc *rpc, const char *database OVS_UNUSED, | |
566 | int argc OVS_UNUSED, char *argv[]) | |
567 | { | |
568 | print_and_free_json(do_transact__(rpc, parse_json(argv[0]))); | |
569 | } | |
570 | ||
571 | static void | |
572 | do_query(struct jsonrpc *rpc, const char *database OVS_UNUSED, | |
573 | int argc OVS_UNUSED, char *argv[]) | |
574 | { | |
575 | struct json *transaction = parse_json(argv[0]); | |
576 | ||
577 | if (transaction->type != JSON_ARRAY) { | |
578 | ovs_fatal(0, "not a valid OVSDB query"); | |
579 | } | |
580 | ||
581 | /* Append an "abort" operation to the query. */ | |
582 | struct json *abort_op = json_object_create(); | |
583 | json_object_put_string(abort_op, "op", "abort"); | |
584 | json_array_add(transaction, abort_op); | |
585 | size_t abort_idx = transaction->u.array.n - 2; | |
586 | ||
587 | /* Run query. */ | |
588 | struct json *result = do_transact__(rpc, transaction); | |
589 | ||
590 | /* If the "abort" operation ended the transaction, remove its result. */ | |
591 | if (result->type == JSON_ARRAY | |
592 | && result->u.array.n == abort_idx + 1 | |
593 | && result->u.array.elems[abort_idx]->type == JSON_OBJECT) { | |
594 | struct json *op_result = result->u.array.elems[abort_idx]; | |
595 | struct json *error = shash_find_data(json_object(op_result), "error"); | |
596 | if (error | |
597 | && error->type == JSON_STRING | |
598 | && !strcmp(json_string(error), "aborted")) { | |
599 | result->u.array.n--; | |
600 | json_destroy(op_result); | |
601 | } | |
602 | } | |
603 | ||
604 | /* Print the result. */ | |
605 | print_and_free_json(result); | |
6d65eee8 | 606 | } |
4227b221 BP |
607 | \f |
608 | /* "monitor" command. */ | |
609 | ||
610 | struct monitored_table { | |
611 | struct ovsdb_table_schema *table; | |
612 | struct ovsdb_column_set columns; | |
613 | }; | |
6d65eee8 | 614 | |
a8425c53 BP |
615 | static void |
616 | monitor_print_row(struct json *row, const char *type, const char *uuid, | |
617 | const struct ovsdb_column_set *columns, struct table *t) | |
618 | { | |
619 | size_t i; | |
620 | ||
621 | if (!row) { | |
622 | ovs_error(0, "missing %s row", type); | |
623 | return; | |
624 | } else if (row->type != JSON_OBJECT) { | |
625 | ovs_error(0, "<row> is not object"); | |
626 | return; | |
627 | } | |
628 | ||
629 | table_add_row(t); | |
772387d5 BP |
630 | table_add_cell(t)->text = xstrdup(uuid); |
631 | table_add_cell(t)->text = xstrdup(type); | |
a8425c53 BP |
632 | for (i = 0; i < columns->n_columns; i++) { |
633 | const struct ovsdb_column *column = columns->columns[i]; | |
634 | struct json *value = shash_find_data(json_object(row), column->name); | |
772387d5 | 635 | struct cell *cell = table_add_cell(t); |
a8425c53 | 636 | if (value) { |
772387d5 BP |
637 | cell->json = json_clone(value); |
638 | cell->type = &column->type; | |
a8425c53 BP |
639 | } |
640 | } | |
641 | } | |
642 | ||
643 | static void | |
4227b221 BP |
644 | monitor_print_table(struct json *table_update, |
645 | const struct monitored_table *mt, char *caption, | |
646 | bool initial) | |
a8425c53 | 647 | { |
4227b221 BP |
648 | const struct ovsdb_table_schema *table = mt->table; |
649 | const struct ovsdb_column_set *columns = &mt->columns; | |
a8425c53 BP |
650 | struct shash_node *node; |
651 | struct table t; | |
652 | size_t i; | |
653 | ||
a8425c53 | 654 | if (table_update->type != JSON_OBJECT) { |
4227b221 | 655 | ovs_error(0, "<table-update> for table %s is not object", table->name); |
a8425c53 BP |
656 | return; |
657 | } | |
658 | ||
4227b221 BP |
659 | table_init(&t); |
660 | table_set_timestamp(&t, timestamp); | |
661 | table_set_caption(&t, caption); | |
662 | ||
a8425c53 BP |
663 | table_add_column(&t, "row"); |
664 | table_add_column(&t, "action"); | |
665 | for (i = 0; i < columns->n_columns; i++) { | |
666 | table_add_column(&t, "%s", columns->columns[i]->name); | |
667 | } | |
668 | SHASH_FOR_EACH (node, json_object(table_update)) { | |
669 | struct json *row_update = node->data; | |
670 | struct json *old, *new; | |
671 | ||
672 | if (row_update->type != JSON_OBJECT) { | |
673 | ovs_error(0, "<row-update> is not object"); | |
674 | continue; | |
675 | } | |
676 | old = shash_find_data(json_object(row_update), "old"); | |
677 | new = shash_find_data(json_object(row_update), "new"); | |
678 | if (initial) { | |
679 | monitor_print_row(new, "initial", node->name, columns, &t); | |
680 | } else if (!old) { | |
681 | monitor_print_row(new, "insert", node->name, columns, &t); | |
682 | } else if (!new) { | |
683 | monitor_print_row(old, "delete", node->name, columns, &t); | |
684 | } else { | |
685 | monitor_print_row(old, "old", node->name, columns, &t); | |
686 | monitor_print_row(new, "new", "", columns, &t); | |
687 | } | |
688 | } | |
3a3eb9da | 689 | table_print(&t, &table_style); |
a8425c53 BP |
690 | table_destroy(&t); |
691 | } | |
692 | ||
4227b221 BP |
693 | static void |
694 | monitor_print(struct json *table_updates, | |
695 | const struct monitored_table *mts, size_t n_mts, | |
696 | bool initial) | |
697 | { | |
698 | size_t i; | |
699 | ||
700 | if (table_updates->type != JSON_OBJECT) { | |
701 | ovs_error(0, "<table-updates> is not object"); | |
702 | return; | |
703 | } | |
704 | ||
705 | for (i = 0; i < n_mts; i++) { | |
706 | const struct monitored_table *mt = &mts[i]; | |
707 | struct json *table_update = shash_find_data(json_object(table_updates), | |
708 | mt->table->name); | |
709 | if (table_update) { | |
710 | monitor_print_table(table_update, mt, | |
711 | n_mts > 1 ? xstrdup(mt->table->name) : NULL, | |
712 | initial); | |
713 | } | |
714 | } | |
715 | } | |
716 | ||
85226894 AZ |
717 | static void |
718 | monitor2_print_row(struct json *row, const char *type, const char *uuid, | |
719 | const struct ovsdb_column_set *columns, struct table *t) | |
720 | { | |
721 | if (!strcmp(type, "delete")) { | |
722 | if (row->type != JSON_NULL) { | |
723 | ovs_error(0, "delete method does not expect <row>"); | |
724 | return; | |
725 | } | |
726 | ||
727 | table_add_row(t); | |
728 | table_add_cell(t)->text = xstrdup(uuid); | |
729 | table_add_cell(t)->text = xstrdup(type); | |
730 | } else { | |
731 | if (!row || row->type != JSON_OBJECT) { | |
732 | ovs_error(0, "<row> is not object"); | |
733 | return; | |
734 | } | |
735 | monitor_print_row(row, type, uuid, columns, t); | |
736 | } | |
737 | } | |
738 | ||
739 | static void | |
740 | monitor2_print_table(struct json *table_update2, | |
741 | const struct monitored_table *mt, char *caption) | |
742 | { | |
743 | const struct ovsdb_table_schema *table = mt->table; | |
744 | const struct ovsdb_column_set *columns = &mt->columns; | |
745 | struct shash_node *node; | |
746 | struct table t; | |
85226894 AZ |
747 | |
748 | if (table_update2->type != JSON_OBJECT) { | |
749 | ovs_error(0, "<table-update> for table %s is not object", table->name); | |
750 | return; | |
751 | } | |
752 | ||
753 | table_init(&t); | |
754 | table_set_timestamp(&t, timestamp); | |
755 | table_set_caption(&t, caption); | |
756 | ||
757 | table_add_column(&t, "row"); | |
758 | table_add_column(&t, "action"); | |
17573cf1 | 759 | for (size_t i = 0; i < columns->n_columns; i++) { |
85226894 AZ |
760 | table_add_column(&t, "%s", columns->columns[i]->name); |
761 | } | |
762 | SHASH_FOR_EACH (node, json_object(table_update2)) { | |
763 | struct json *row_update2 = node->data; | |
764 | const char *operation; | |
765 | struct json *row; | |
766 | const char *ops[] = {"delete", "initial", "modify", "insert"}; | |
767 | ||
768 | if (row_update2->type != JSON_OBJECT) { | |
769 | ovs_error(0, "<row-update2> is not object"); | |
770 | continue; | |
771 | } | |
772 | ||
773 | /* row_update2 contains one of objects indexed by ops[] */ | |
774 | for (int i = 0; i < ARRAY_SIZE(ops); i++) { | |
775 | operation = ops[i]; | |
776 | row = shash_find_data(json_object(row_update2), operation); | |
777 | ||
778 | if (row) { | |
779 | monitor2_print_row(row, operation, node->name, columns, &t); | |
780 | break; | |
781 | } | |
782 | } | |
783 | } | |
784 | table_print(&t, &table_style); | |
785 | table_destroy(&t); | |
786 | } | |
787 | ||
788 | static void | |
789 | monitor2_print(struct json *table_updates2, | |
790 | const struct monitored_table *mts, size_t n_mts) | |
791 | { | |
792 | size_t i; | |
793 | ||
794 | if (table_updates2->type != JSON_OBJECT) { | |
795 | ovs_error(0, "<table-updates2> is not object"); | |
796 | return; | |
797 | } | |
798 | ||
799 | for (i = 0; i < n_mts; i++) { | |
800 | const struct monitored_table *mt = &mts[i]; | |
801 | struct json *table_update = shash_find_data( | |
802 | json_object(table_updates2), | |
803 | mt->table->name); | |
804 | if (table_update) { | |
805 | monitor2_print_table(table_update, mt, | |
806 | n_mts > 1 ? xstrdup(mt->table->name) : NULL); | |
807 | } | |
808 | } | |
809 | } | |
810 | ||
a8425c53 | 811 | static void |
20aa445d BP |
812 | add_column(const char *server, const struct ovsdb_column *column, |
813 | struct ovsdb_column_set *columns, struct json *columns_json) | |
a8425c53 | 814 | { |
20aa445d BP |
815 | if (ovsdb_column_set_contains(columns, column->index)) { |
816 | ovs_fatal(0, "%s: column \"%s\" mentioned multiple times", | |
817 | server, column->name); | |
a8425c53 | 818 | } |
20aa445d BP |
819 | ovsdb_column_set_add(columns, column); |
820 | json_array_add(columns_json, json_string_create(column->name)); | |
821 | } | |
a8425c53 | 822 | |
20aa445d BP |
823 | static struct json * |
824 | parse_monitor_columns(char *arg, const char *server, const char *database, | |
825 | const struct ovsdb_table_schema *table, | |
826 | struct ovsdb_column_set *columns) | |
827 | { | |
828 | bool initial, insert, delete, modify; | |
829 | struct json *mr, *columns_json; | |
830 | char *save_ptr = NULL; | |
831 | char *token; | |
832 | ||
833 | mr = json_object_create(); | |
834 | columns_json = json_array_create_empty(); | |
835 | json_object_put(mr, "columns", columns_json); | |
836 | ||
837 | initial = insert = delete = modify = true; | |
838 | for (token = strtok_r(arg, ",", &save_ptr); token != NULL; | |
839 | token = strtok_r(NULL, ",", &save_ptr)) { | |
840 | if (!strcmp(token, "!initial")) { | |
841 | initial = false; | |
842 | } else if (!strcmp(token, "!insert")) { | |
843 | insert = false; | |
844 | } else if (!strcmp(token, "!delete")) { | |
845 | delete = false; | |
846 | } else if (!strcmp(token, "!modify")) { | |
847 | modify = false; | |
848 | } else { | |
a8425c53 | 849 | const struct ovsdb_column *column; |
20aa445d | 850 | |
a8425c53 BP |
851 | column = ovsdb_table_schema_get_column(table, token); |
852 | if (!column) { | |
9cb53f26 BP |
853 | ovs_fatal(0, "%s: table \"%s\" in %s does not have a " |
854 | "column named \"%s\"", | |
20aa445d | 855 | server, table->name, database, token); |
a8425c53 | 856 | } |
20aa445d | 857 | add_column(server, column, columns, columns_json); |
a8425c53 | 858 | } |
20aa445d BP |
859 | } |
860 | ||
861 | if (columns_json->u.array.n == 0) { | |
a1ae5dc8 BP |
862 | const struct shash_node **nodes; |
863 | size_t i, n; | |
864 | ||
865 | n = shash_count(&table->columns); | |
866 | nodes = shash_sort(&table->columns); | |
867 | for (i = 0; i < n; i++) { | |
868 | const struct ovsdb_column *column = nodes[i]->data; | |
869 | if (column->index != OVSDB_COL_UUID | |
870 | && column->index != OVSDB_COL_VERSION) { | |
20aa445d | 871 | add_column(server, column, columns, columns_json); |
a8425c53 BP |
872 | } |
873 | } | |
a1ae5dc8 BP |
874 | free(nodes); |
875 | ||
4227b221 | 876 | add_column(server, ovsdb_table_schema_get_column(table, "_version"), |
20aa445d | 877 | columns, columns_json); |
a8425c53 BP |
878 | } |
879 | ||
20aa445d BP |
880 | if (!initial || !insert || !delete || !modify) { |
881 | struct json *select = json_object_create(); | |
876ba6de BP |
882 | json_object_put(select, "initial", json_boolean_create(initial)); |
883 | json_object_put(select, "insert", json_boolean_create(insert)); | |
884 | json_object_put(select, "delete", json_boolean_create(delete)); | |
885 | json_object_put(select, "modify", json_boolean_create(modify)); | |
20aa445d BP |
886 | json_object_put(mr, "select", select); |
887 | } | |
888 | ||
889 | return mr; | |
890 | } | |
891 | ||
892 | static void | |
4227b221 BP |
893 | ovsdb_client_exit(struct unixctl_conn *conn, int argc OVS_UNUSED, |
894 | const char *argv[] OVS_UNUSED, void *exiting_) | |
20aa445d | 895 | { |
4227b221 BP |
896 | bool *exiting = exiting_; |
897 | *exiting = true; | |
898 | unixctl_command_reply(conn, NULL); | |
899 | } | |
20aa445d | 900 | |
4227b221 BP |
901 | static void |
902 | ovsdb_client_block(struct unixctl_conn *conn, int argc OVS_UNUSED, | |
903 | const char *argv[] OVS_UNUSED, void *blocked_) | |
904 | { | |
905 | bool *blocked = blocked_; | |
906 | ||
907 | if (!*blocked) { | |
908 | *blocked = true; | |
909 | unixctl_command_reply(conn, NULL); | |
910 | } else { | |
911 | unixctl_command_reply(conn, "already blocking"); | |
a8425c53 | 912 | } |
4227b221 BP |
913 | } |
914 | ||
915 | static void | |
916 | ovsdb_client_unblock(struct unixctl_conn *conn, int argc OVS_UNUSED, | |
917 | const char *argv[] OVS_UNUSED, void *blocked_) | |
918 | { | |
919 | bool *blocked = blocked_; | |
920 | ||
921 | if (*blocked) { | |
922 | *blocked = false; | |
923 | unixctl_command_reply(conn, NULL); | |
924 | } else { | |
925 | unixctl_command_reply(conn, "already unblocked"); | |
926 | } | |
927 | } | |
928 | ||
c383f3bf LS |
929 | static void |
930 | ovsdb_client_cond_change(struct unixctl_conn *conn, int argc OVS_UNUSED, | |
931 | const char *argv[], void *rpc_) | |
932 | { | |
933 | struct jsonrpc *rpc = rpc_; | |
934 | struct json *monitor_cond_update_requests = json_object_create(); | |
935 | struct json *monitor_cond_update_request = json_object_create(); | |
936 | struct json *params; | |
937 | struct jsonrpc_msg *request; | |
938 | ||
939 | json_object_put(monitor_cond_update_request, "where", | |
940 | json_from_string(argv[2])); | |
941 | json_object_put(monitor_cond_update_requests, | |
942 | argv[1], | |
943 | json_array_create_1(monitor_cond_update_request)); | |
944 | ||
945 | params = json_array_create_3(json_null_create(),json_null_create(), | |
946 | monitor_cond_update_requests); | |
947 | ||
948 | request = jsonrpc_create_request("monitor_cond_change", params, NULL); | |
949 | jsonrpc_send(rpc, request); | |
950 | ||
951 | VLOG_DBG("cond change %s %s", argv[1], argv[2]); | |
952 | unixctl_command_reply(conn, "condiiton changed"); | |
953 | } | |
954 | ||
4227b221 BP |
955 | static void |
956 | add_monitored_table(int argc, char *argv[], | |
957 | const char *server, const char *database, | |
c383f3bf | 958 | struct json *condition, |
4227b221 BP |
959 | struct ovsdb_table_schema *table, |
960 | struct json *monitor_requests, | |
961 | struct monitored_table **mts, | |
962 | size_t *n_mts, size_t *allocated_mts) | |
963 | { | |
c383f3bf | 964 | struct json *monitor_request_array, *mr; |
4227b221 BP |
965 | struct monitored_table *mt; |
966 | ||
967 | if (*n_mts >= *allocated_mts) { | |
968 | *mts = x2nrealloc(*mts, allocated_mts, sizeof **mts); | |
969 | } | |
970 | mt = &(*mts)[(*n_mts)++]; | |
971 | mt->table = table; | |
972 | ovsdb_column_set_init(&mt->columns); | |
a8425c53 | 973 | |
20aa445d | 974 | monitor_request_array = json_array_create_empty(); |
53ffefe9 | 975 | if (argc > 1) { |
20aa445d BP |
976 | int i; |
977 | ||
53ffefe9 | 978 | for (i = 1; i < argc; i++) { |
c383f3bf LS |
979 | mr = parse_monitor_columns(argv[i], server, database, table, |
980 | &mt->columns); | |
981 | if (i == 1 && condition) { | |
982 | json_object_put(mr, "where", condition); | |
983 | } | |
984 | json_array_add(monitor_request_array, mr); | |
20aa445d BP |
985 | } |
986 | } else { | |
4227b221 BP |
987 | /* Allocate a writable empty string since parse_monitor_columns() |
988 | * is going to strtok() it and that's risky with literal "". */ | |
20aa445d | 989 | char empty[] = ""; |
c383f3bf LS |
990 | |
991 | mr = parse_monitor_columns(empty, server, database, | |
992 | table, &mt->columns); | |
993 | if (condition) { | |
994 | json_object_put(mr, "where", condition); | |
995 | } | |
996 | json_array_add(monitor_request_array, mr); | |
4227b221 BP |
997 | } |
998 | ||
999 | json_object_put(monitor_requests, table->name, monitor_request_array); | |
1000 | } | |
1001 | ||
12f554b0 WT |
1002 | static void |
1003 | destroy_monitored_table(struct monitored_table *mts, size_t n) | |
1004 | { | |
1005 | int i; | |
1006 | ||
1007 | for (i = 0; i < n; i++) { | |
1008 | struct monitored_table *mt = &mts[i]; | |
1009 | ovsdb_column_set_destroy(&mt->columns); | |
1010 | } | |
1011 | ||
1012 | free(mts); | |
1013 | } | |
1014 | ||
4227b221 | 1015 | static void |
85226894 AZ |
1016 | do_monitor__(struct jsonrpc *rpc, const char *database, |
1017 | enum ovsdb_monitor_version version, | |
c383f3bf | 1018 | int argc, char *argv[], struct json *condition) |
4227b221 BP |
1019 | { |
1020 | const char *server = jsonrpc_get_name(rpc); | |
1021 | const char *table_name = argv[0]; | |
1022 | struct unixctl_server *unixctl; | |
1023 | struct ovsdb_schema *schema; | |
1024 | struct jsonrpc_msg *request; | |
1025 | struct json *monitor, *monitor_requests, *request_id; | |
1026 | bool exiting = false; | |
1027 | bool blocked = false; | |
1028 | ||
1029 | struct monitored_table *mts; | |
1030 | size_t n_mts, allocated_mts; | |
1031 | ||
85226894 AZ |
1032 | ovs_assert(version < OVSDB_MONITOR_VERSION_MAX); |
1033 | ||
4227b221 | 1034 | daemon_save_fd(STDOUT_FILENO); |
e91b927d | 1035 | daemonize_start(false); |
4227b221 BP |
1036 | if (get_detach()) { |
1037 | int error; | |
1038 | ||
1039 | error = unixctl_server_create(NULL, &unixctl); | |
1040 | if (error) { | |
1041 | ovs_fatal(error, "failed to create unixctl server"); | |
1042 | } | |
1043 | ||
1044 | unixctl_command_register("exit", "", 0, 0, | |
1045 | ovsdb_client_exit, &exiting); | |
1046 | unixctl_command_register("ovsdb-client/block", "", 0, 0, | |
1047 | ovsdb_client_block, &blocked); | |
1048 | unixctl_command_register("ovsdb-client/unblock", "", 0, 0, | |
1049 | ovsdb_client_unblock, &blocked); | |
c383f3bf LS |
1050 | unixctl_command_register("ovsdb-client/cond_change", "TABLE COND", 2, 2, |
1051 | ovsdb_client_cond_change, rpc); | |
4227b221 BP |
1052 | } else { |
1053 | unixctl = NULL; | |
a8425c53 BP |
1054 | } |
1055 | ||
4227b221 BP |
1056 | schema = fetch_schema(rpc, database); |
1057 | ||
a8425c53 | 1058 | monitor_requests = json_object_create(); |
4227b221 BP |
1059 | |
1060 | mts = NULL; | |
1061 | n_mts = allocated_mts = 0; | |
1062 | if (strcmp(table_name, "ALL")) { | |
1063 | struct ovsdb_table_schema *table; | |
1064 | ||
1065 | table = shash_find_data(&schema->tables, table_name); | |
1066 | if (!table) { | |
1067 | ovs_fatal(0, "%s: %s does not have a table named \"%s\"", | |
1068 | server, database, table_name); | |
1069 | } | |
1070 | ||
c383f3bf | 1071 | add_monitored_table(argc, argv, server, database, condition, table, |
4227b221 BP |
1072 | monitor_requests, &mts, &n_mts, &allocated_mts); |
1073 | } else { | |
1074 | size_t n = shash_count(&schema->tables); | |
1075 | const struct shash_node **nodes = shash_sort(&schema->tables); | |
1076 | size_t i; | |
1077 | ||
c383f3bf LS |
1078 | if (condition) { |
1079 | ovs_fatal(0, "ALL tables are not allowed with condition"); | |
1080 | } | |
1081 | ||
4227b221 BP |
1082 | for (i = 0; i < n; i++) { |
1083 | struct ovsdb_table_schema *table = nodes[i]->data; | |
1084 | ||
c383f3bf | 1085 | add_monitored_table(argc, argv, server, database, NULL, table, |
4227b221 BP |
1086 | monitor_requests, |
1087 | &mts, &n_mts, &allocated_mts); | |
1088 | } | |
1089 | free(nodes); | |
1090 | } | |
a8425c53 | 1091 | |
9cb53f26 BP |
1092 | monitor = json_array_create_3(json_string_create(database), |
1093 | json_null_create(), monitor_requests); | |
c383f3bf | 1094 | const char *method = version == OVSDB_MONITOR_V2 ? "monitor_cond" |
85226894 AZ |
1095 | : "monitor"; |
1096 | ||
1097 | request = jsonrpc_create_request(method, monitor, NULL); | |
a8425c53 BP |
1098 | request_id = json_clone(request->id); |
1099 | jsonrpc_send(rpc, request); | |
a8425c53 | 1100 | |
4227b221 BP |
1101 | for (;;) { |
1102 | unixctl_server_run(unixctl); | |
1103 | while (!blocked) { | |
1104 | struct jsonrpc_msg *msg; | |
1105 | int error; | |
1106 | ||
1107 | error = jsonrpc_recv(rpc, &msg); | |
1108 | if (error == EAGAIN) { | |
1109 | break; | |
1110 | } else if (error) { | |
1111 | ovs_fatal(error, "%s: receive failed", server); | |
eb8d3ed6 | 1112 | } |
4227b221 BP |
1113 | |
1114 | if (msg->type == JSONRPC_REQUEST && !strcmp(msg->method, "echo")) { | |
1115 | jsonrpc_send(rpc, jsonrpc_create_reply(json_clone(msg->params), | |
1116 | msg->id)); | |
1117 | } else if (msg->type == JSONRPC_REPLY | |
1118 | && json_equal(msg->id, request_id)) { | |
85226894 AZ |
1119 | switch(version) { |
1120 | case OVSDB_MONITOR_V1: | |
1121 | monitor_print(msg->result, mts, n_mts, true); | |
1122 | break; | |
1123 | case OVSDB_MONITOR_V2: | |
1124 | monitor2_print(msg->result, mts, n_mts); | |
1125 | break; | |
1126 | case OVSDB_MONITOR_VERSION_MAX: | |
1127 | default: | |
1128 | OVS_NOT_REACHED(); | |
1129 | } | |
3f262d7d | 1130 | fflush(stdout); |
4227b221 BP |
1131 | daemonize_complete(); |
1132 | } else if (msg->type == JSONRPC_NOTIFY | |
1133 | && !strcmp(msg->method, "update")) { | |
1134 | struct json *params = msg->params; | |
1135 | if (params->type == JSON_ARRAY | |
1136 | && params->u.array.n == 2 | |
1137 | && params->u.array.elems[0]->type == JSON_NULL) { | |
1138 | monitor_print(params->u.array.elems[1], mts, n_mts, false); | |
1139 | fflush(stdout); | |
1140 | } | |
85226894 AZ |
1141 | } else if (msg->type == JSONRPC_NOTIFY |
1142 | && version == OVSDB_MONITOR_V2 | |
1143 | && !strcmp(msg->method, "update2")) { | |
1144 | struct json *params = msg->params; | |
1145 | if (params->type == JSON_ARRAY | |
1146 | && params->u.array.n == 2 | |
1147 | && params->u.array.elems[0]->type == JSON_NULL) { | |
1148 | monitor2_print(params->u.array.elems[1], mts, n_mts); | |
1149 | fflush(stdout); | |
1150 | } | |
a8425c53 | 1151 | } |
4227b221 BP |
1152 | jsonrpc_msg_destroy(msg); |
1153 | } | |
1154 | ||
1155 | if (exiting) { | |
1156 | break; | |
1157 | } | |
1158 | ||
1159 | jsonrpc_run(rpc); | |
1160 | jsonrpc_wait(rpc); | |
1161 | if (!blocked) { | |
1162 | jsonrpc_recv_wait(rpc); | |
a8425c53 | 1163 | } |
4227b221 BP |
1164 | unixctl_server_wait(unixctl); |
1165 | poll_block(); | |
a8425c53 | 1166 | } |
c7edc921 WT |
1167 | |
1168 | json_destroy(request_id); | |
1169 | unixctl_server_destroy(unixctl); | |
0ea4fd89 | 1170 | ovsdb_schema_destroy(schema); |
12f554b0 | 1171 | destroy_monitored_table(mts, n_mts); |
a8425c53 BP |
1172 | } |
1173 | ||
85226894 AZ |
1174 | static void |
1175 | do_monitor(struct jsonrpc *rpc, const char *database, | |
1176 | int argc, char *argv[]) | |
1177 | { | |
c383f3bf | 1178 | do_monitor__(rpc, database, OVSDB_MONITOR_V1, argc, argv, NULL); |
85226894 AZ |
1179 | } |
1180 | ||
1181 | static void | |
c383f3bf | 1182 | do_monitor_cond(struct jsonrpc *rpc, const char *database, |
85226894 AZ |
1183 | int argc, char *argv[]) |
1184 | { | |
c383f3bf LS |
1185 | struct ovsdb_condition cnd; |
1186 | struct json *condition = NULL; | |
1187 | struct ovsdb_schema *schema; | |
1188 | struct ovsdb_table_schema *table; | |
1189 | const char *table_name = argv[1]; | |
1190 | ||
1191 | ovs_assert(argc > 1); | |
1192 | schema = fetch_schema(rpc, database); | |
1193 | table = shash_find_data(&schema->tables, table_name); | |
1194 | if (!table) { | |
1195 | ovs_fatal(0, "%s does not have a table named \"%s\"", | |
1196 | database, table_name); | |
1197 | } | |
1198 | condition = parse_json(argv[0]); | |
1199 | check_ovsdb_error(ovsdb_condition_from_json(table, condition, | |
1200 | NULL, &cnd)); | |
1201 | ovsdb_condition_destroy(&cnd); | |
1202 | do_monitor__(rpc, database, OVSDB_MONITOR_V2, --argc, ++argv, condition); | |
9b2cc0c3 | 1203 | ovsdb_schema_destroy(schema); |
85226894 AZ |
1204 | } |
1205 | ||
25c269ef BP |
1206 | struct dump_table_aux { |
1207 | struct ovsdb_datum **data; | |
1208 | const struct ovsdb_column **columns; | |
1209 | size_t n_columns; | |
1210 | }; | |
1211 | ||
1212 | static int | |
1213 | compare_data(size_t a_y, size_t b_y, size_t x, | |
1214 | const struct dump_table_aux *aux) | |
1215 | { | |
1216 | return ovsdb_datum_compare_3way(&aux->data[a_y][x], | |
1217 | &aux->data[b_y][x], | |
1218 | &aux->columns[x]->type); | |
1219 | } | |
1220 | ||
1221 | static int | |
1222 | compare_rows(size_t a_y, size_t b_y, void *aux_) | |
1223 | { | |
1224 | struct dump_table_aux *aux = aux_; | |
1225 | size_t x; | |
1226 | ||
1227 | /* Skip UUID columns on the first pass, since their values tend to be | |
1228 | * random and make our results less reproducible. */ | |
1229 | for (x = 0; x < aux->n_columns; x++) { | |
1230 | if (aux->columns[x]->type.key.type != OVSDB_TYPE_UUID) { | |
1231 | int cmp = compare_data(a_y, b_y, x, aux); | |
1232 | if (cmp) { | |
1233 | return cmp; | |
1234 | } | |
1235 | } | |
1236 | } | |
1237 | ||
1238 | /* Use UUID columns as tie-breakers. */ | |
1239 | for (x = 0; x < aux->n_columns; x++) { | |
1240 | if (aux->columns[x]->type.key.type == OVSDB_TYPE_UUID) { | |
1241 | int cmp = compare_data(a_y, b_y, x, aux); | |
1242 | if (cmp) { | |
1243 | return cmp; | |
1244 | } | |
1245 | } | |
1246 | } | |
1247 | ||
1248 | return 0; | |
1249 | } | |
1250 | ||
1251 | static void | |
1252 | swap_rows(size_t a_y, size_t b_y, void *aux_) | |
1253 | { | |
1254 | struct dump_table_aux *aux = aux_; | |
1255 | struct ovsdb_datum *tmp = aux->data[a_y]; | |
1256 | aux->data[a_y] = aux->data[b_y]; | |
1257 | aux->data[b_y] = tmp; | |
1258 | } | |
1259 | ||
25c269ef BP |
1260 | static int |
1261 | compare_columns(const void *a_, const void *b_) | |
1262 | { | |
1263 | const struct ovsdb_column *const *ap = a_; | |
1264 | const struct ovsdb_column *const *bp = b_; | |
1265 | const struct ovsdb_column *a = *ap; | |
1266 | const struct ovsdb_column *b = *bp; | |
1267 | ||
1268 | return strcmp(a->name, b->name); | |
1269 | } | |
1270 | ||
1271 | static void | |
b30aa413 BV |
1272 | dump_table(const char *table_name, const struct shash *cols, |
1273 | struct json_array *rows) | |
25c269ef BP |
1274 | { |
1275 | const struct ovsdb_column **columns; | |
1276 | size_t n_columns; | |
1277 | ||
1278 | struct ovsdb_datum **data; | |
1279 | ||
1280 | struct dump_table_aux aux; | |
1281 | struct shash_node *node; | |
1282 | struct table t; | |
1283 | size_t x, y; | |
1284 | ||
1285 | /* Sort columns by name, for reproducibility. */ | |
b30aa413 | 1286 | columns = xmalloc(shash_count(cols) * sizeof *columns); |
25c269ef | 1287 | n_columns = 0; |
b30aa413 | 1288 | SHASH_FOR_EACH (node, cols) { |
25c269ef BP |
1289 | struct ovsdb_column *column = node->data; |
1290 | if (strcmp(column->name, "_version")) { | |
1291 | columns[n_columns++] = column; | |
1292 | } | |
1293 | } | |
1294 | qsort(columns, n_columns, sizeof *columns, compare_columns); | |
1295 | ||
1296 | /* Extract data from table. */ | |
1297 | data = xmalloc(rows->n * sizeof *data); | |
1298 | for (y = 0; y < rows->n; y++) { | |
1299 | struct shash *row; | |
1300 | ||
1301 | if (rows->elems[y]->type != JSON_OBJECT) { | |
34582733 | 1302 | ovs_fatal(0, "row %"PRIuSIZE" in table %s response is not a JSON object: " |
b30aa413 | 1303 | "%s", y, table_name, json_to_string(rows->elems[y], 0)); |
25c269ef BP |
1304 | } |
1305 | row = json_object(rows->elems[y]); | |
1306 | ||
1307 | data[y] = xmalloc(n_columns * sizeof **data); | |
1308 | for (x = 0; x < n_columns; x++) { | |
1309 | const struct json *json = shash_find_data(row, columns[x]->name); | |
1310 | if (!json) { | |
34582733 | 1311 | ovs_fatal(0, "row %"PRIuSIZE" in table %s response lacks %s column", |
b30aa413 | 1312 | y, table_name, columns[x]->name); |
25c269ef BP |
1313 | } |
1314 | ||
9041097a BP |
1315 | check_ovsdb_error(ovsdb_unconstrained_datum_from_json( |
1316 | &data[y][x], &columns[x]->type, json)); | |
25c269ef BP |
1317 | } |
1318 | } | |
1319 | ||
1320 | /* Sort rows by column values, for reproducibility. */ | |
1321 | aux.data = data; | |
1322 | aux.columns = columns; | |
1323 | aux.n_columns = n_columns; | |
1324 | sort(rows->n, compare_rows, swap_rows, &aux); | |
1325 | ||
1326 | /* Add column headings. */ | |
1327 | table_init(&t); | |
b30aa413 | 1328 | table_set_caption(&t, xasprintf("%s table", table_name)); |
25c269ef BP |
1329 | for (x = 0; x < n_columns; x++) { |
1330 | table_add_column(&t, "%s", columns[x]->name); | |
1331 | } | |
1332 | ||
1333 | /* Print rows. */ | |
1334 | for (y = 0; y < rows->n; y++) { | |
1335 | table_add_row(&t); | |
1336 | for (x = 0; x < n_columns; x++) { | |
772387d5 BP |
1337 | struct cell *cell = table_add_cell(&t); |
1338 | cell->json = ovsdb_datum_to_json(&data[y][x], &columns[x]->type); | |
1339 | cell->type = &columns[x]->type; | |
e49190c4 | 1340 | ovsdb_datum_destroy(&data[y][x], &columns[x]->type); |
25c269ef | 1341 | } |
e49190c4 | 1342 | free(data[y]); |
25c269ef | 1343 | } |
3a3eb9da | 1344 | table_print(&t, &table_style); |
25c269ef | 1345 | table_destroy(&t); |
e49190c4 BP |
1346 | |
1347 | free(data); | |
1348 | free(columns); | |
25c269ef BP |
1349 | } |
1350 | ||
1351 | static void | |
53ffefe9 | 1352 | do_dump(struct jsonrpc *rpc, const char *database, |
b30aa413 | 1353 | int argc, char *argv[]) |
25c269ef | 1354 | { |
25c269ef BP |
1355 | struct jsonrpc_msg *request, *reply; |
1356 | struct ovsdb_schema *schema; | |
1357 | struct json *transaction; | |
25c269ef | 1358 | |
b30aa413 | 1359 | const struct shash_node *node, **tables; |
25c269ef | 1360 | size_t n_tables; |
b30aa413 BV |
1361 | struct ovsdb_table_schema *tschema; |
1362 | const struct shash *columns; | |
1363 | struct shash custom_columns; | |
25c269ef BP |
1364 | |
1365 | size_t i; | |
1366 | ||
b30aa413 | 1367 | shash_init(&custom_columns); |
53ffefe9 | 1368 | schema = fetch_schema(rpc, database); |
b30aa413 BV |
1369 | if (argc) { |
1370 | node = shash_find(&schema->tables, argv[0]); | |
1371 | if (!node) { | |
1372 | ovs_fatal(0, "No table \"%s\" found.", argv[0]); | |
1373 | } | |
2b03ef95 | 1374 | tables = xmemdup(&node, sizeof node); |
b30aa413 BV |
1375 | n_tables = 1; |
1376 | tschema = tables[0]->data; | |
1377 | for (i = 1; i < argc; i++) { | |
1378 | node = shash_find(&tschema->columns, argv[i]); | |
1379 | if (!node) { | |
1380 | ovs_fatal(0, "Table \"%s\" has no column %s.", argv[0], argv[1]); | |
1381 | } | |
1382 | shash_add(&custom_columns, argv[1], node->data); | |
1383 | } | |
1384 | } else { | |
1385 | tables = shash_sort(&schema->tables); | |
1386 | n_tables = shash_count(&schema->tables); | |
1387 | } | |
25c269ef BP |
1388 | |
1389 | /* Construct transaction to retrieve entire database. */ | |
1390 | transaction = json_array_create_1(json_string_create(database)); | |
1391 | for (i = 0; i < n_tables; i++) { | |
1392 | const struct ovsdb_table_schema *ts = tables[i]->data; | |
b30aa413 | 1393 | struct json *op, *jcolumns; |
25c269ef | 1394 | |
b30aa413 BV |
1395 | if (argc > 1) { |
1396 | columns = &custom_columns; | |
1397 | } else { | |
1398 | columns = &ts->columns; | |
1399 | } | |
1400 | jcolumns = json_array_create_empty(); | |
1401 | SHASH_FOR_EACH (node, columns) { | |
25c269ef BP |
1402 | const struct ovsdb_column *column = node->data; |
1403 | ||
1404 | if (strcmp(column->name, "_version")) { | |
b30aa413 | 1405 | json_array_add(jcolumns, json_string_create(column->name)); |
25c269ef BP |
1406 | } |
1407 | } | |
1408 | ||
1409 | op = json_object_create(); | |
1410 | json_object_put_string(op, "op", "select"); | |
1411 | json_object_put_string(op, "table", tables[i]->name); | |
1412 | json_object_put(op, "where", json_array_create_empty()); | |
b30aa413 | 1413 | json_object_put(op, "columns", jcolumns); |
25c269ef BP |
1414 | json_array_add(transaction, op); |
1415 | } | |
1416 | ||
1417 | /* Send request, get reply. */ | |
1418 | request = jsonrpc_create_request("transact", transaction, NULL); | |
d35f8e72 | 1419 | check_txn(jsonrpc_transact_block(rpc, request, &reply), &reply); |
25c269ef BP |
1420 | |
1421 | /* Print database contents. */ | |
1422 | if (reply->result->type != JSON_ARRAY | |
1423 | || reply->result->u.array.n != n_tables) { | |
34582733 | 1424 | ovs_fatal(0, "reply is not array of %"PRIuSIZE" elements: %s", |
25c269ef BP |
1425 | n_tables, json_to_string(reply->result, 0)); |
1426 | } | |
1427 | for (i = 0; i < n_tables; i++) { | |
1428 | const struct ovsdb_table_schema *ts = tables[i]->data; | |
1429 | const struct json *op_result = reply->result->u.array.elems[i]; | |
1430 | struct json *rows; | |
1431 | ||
1432 | if (op_result->type != JSON_OBJECT | |
1433 | || !(rows = shash_find_data(json_object(op_result), "rows")) | |
1434 | || rows->type != JSON_ARRAY) { | |
1435 | ovs_fatal(0, "%s table reply is not an object with a \"rows\" " | |
1436 | "member array: %s", | |
1437 | ts->name, json_to_string(op_result, 0)); | |
1438 | } | |
1439 | ||
b30aa413 BV |
1440 | if (argc > 1) { |
1441 | dump_table(tables[i]->name, &custom_columns, &rows->u.array); | |
1442 | } else { | |
1443 | dump_table(tables[i]->name, &ts->columns, &rows->u.array); | |
1444 | } | |
25c269ef | 1445 | } |
e49190c4 BP |
1446 | |
1447 | jsonrpc_msg_destroy(reply); | |
b30aa413 | 1448 | shash_destroy(&custom_columns); |
e49190c4 BP |
1449 | free(tables); |
1450 | ovsdb_schema_destroy(schema); | |
25c269ef BP |
1451 | } |
1452 | ||
4d0a31b6 BP |
1453 | static void |
1454 | print_and_free_log_record(struct json *record) | |
1455 | { | |
1456 | struct ds header = DS_EMPTY_INITIALIZER; | |
1457 | struct ds data = DS_EMPTY_INITIALIZER; | |
19b276cb | 1458 | ovsdb_log_compose_record(record, OVSDB_MAGIC, &header, &data); |
4d0a31b6 BP |
1459 | fwrite(header.string, header.length, 1, stdout); |
1460 | fwrite(data.string, data.length, 1, stdout); | |
1461 | ds_destroy(&data); | |
1462 | ds_destroy(&header); | |
1463 | json_destroy(record); | |
1464 | } | |
1465 | ||
1466 | static void | |
1467 | do_backup(struct jsonrpc *rpc, const char *database, | |
1468 | int argc OVS_UNUSED, char *argv[] OVS_UNUSED) | |
1469 | { | |
1470 | if (isatty(STDOUT_FILENO)) { | |
1471 | ovs_fatal(0, "not writing backup to a terminal; " | |
1472 | "please redirect stdout to a file"); | |
1473 | } | |
1474 | ||
1475 | /* Get schema. */ | |
1476 | struct ovsdb_schema *schema = fetch_schema(rpc, database); | |
1477 | ||
1478 | /* Construct transaction to retrieve all tables. */ | |
1479 | struct json *txn = json_array_create_1(json_string_create(database)); | |
1480 | struct shash_node *node; | |
1481 | SHASH_FOR_EACH (node, &schema->tables) { | |
1482 | const char *table_name = node->name; | |
1483 | const struct ovsdb_table_schema *table = node->data; | |
1484 | ||
1485 | /* Get all the columns except _version and the ephemeral ones. | |
1486 | * | |
1487 | * We don't omit tables that only have ephemeral columns because of the | |
1488 | * possibility that other tables references rows in those tables; that | |
1489 | * is, even if all the columns are ephemeral, the rows themselves are | |
1490 | * not. */ | |
1491 | struct json *columns = json_array_create_empty(); | |
1492 | struct shash_node *node2; | |
1493 | SHASH_FOR_EACH (node2, &table->columns) { | |
1494 | const struct ovsdb_column *column = node2->data; | |
1495 | ||
1496 | if (column->persistent) { | |
1497 | if (!columns) { | |
1498 | columns = json_array_create_empty(); | |
1499 | } | |
1500 | json_array_add(columns, json_string_create(column->name)); | |
1501 | } | |
1502 | } | |
1503 | ||
1504 | struct json *op = json_object_create(); | |
1505 | json_object_put_string(op, "op", "select"); | |
1506 | json_object_put_string(op, "table", table_name); | |
1507 | json_object_put(op, "where", json_array_create_empty()); | |
1508 | json_object_put(op, "columns", columns); | |
1509 | json_array_add(txn, op); | |
1510 | } | |
1511 | ||
1512 | /* Send request, get reply. */ | |
1513 | struct jsonrpc_msg *rq = jsonrpc_create_request("transact", txn, NULL); | |
1514 | struct jsonrpc_msg *reply; | |
1515 | check_txn(jsonrpc_transact_block(rpc, rq, &reply), &reply); | |
1516 | ||
1517 | /* Print schema record. */ | |
1518 | print_and_free_log_record(ovsdb_schema_to_json(schema)); | |
1519 | ||
1520 | /* Print database transaction record. */ | |
1521 | if (reply->result->type != JSON_ARRAY | |
1522 | || reply->result->u.array.n != shash_count(&schema->tables)) { | |
1523 | ovs_fatal(0, "reply is not array of %"PRIuSIZE" elements: %s", | |
1524 | shash_count(&schema->tables), | |
1525 | json_to_string(reply->result, 0)); | |
1526 | } | |
1527 | struct json *output_txn = json_object_create(); | |
1528 | ||
1529 | size_t i = 0; | |
1530 | SHASH_FOR_EACH (node, &schema->tables) { | |
1531 | const char *table_name = node->name; | |
1532 | const struct ovsdb_table_schema *table = node->data; | |
1533 | const struct json *op_result = reply->result->u.array.elems[i++]; | |
1534 | struct json *rows; | |
1535 | ||
1536 | if (op_result->type != JSON_OBJECT | |
1537 | || !(rows = shash_find_data(json_object(op_result), "rows")) | |
1538 | || rows->type != JSON_ARRAY) { | |
1539 | ovs_fatal(0, "%s table reply is not an object with a \"rows\" " | |
1540 | "member array: %s", | |
1541 | table->name, json_to_string(op_result, 0)); | |
1542 | } | |
1543 | ||
1544 | if (!rows->u.array.n) { | |
1545 | continue; | |
1546 | } | |
1547 | ||
1548 | struct json *output_rows = json_object_create(); | |
1549 | for (size_t j = 0; j < rows->u.array.n; j++) { | |
1550 | struct json *row = rows->u.array.elems[j]; | |
1551 | if (row->type != JSON_OBJECT) { | |
1552 | ovs_fatal(0, "%s table reply row is not an object: %s", | |
1553 | table_name, json_to_string(row, 0)); | |
1554 | } | |
1555 | ||
1556 | struct json *uuid_json = shash_find_and_delete(json_object(row), | |
1557 | "_uuid"); | |
1558 | if (!uuid_json) { | |
1559 | ovs_fatal(0, "%s table reply row lacks _uuid member: %s", | |
1560 | table_name, json_to_string(row, 0)); | |
1561 | } | |
1562 | ||
1563 | const struct ovsdb_base_type uuid_base = OVSDB_BASE_UUID_INIT; | |
1564 | union ovsdb_atom atom; | |
1565 | check_ovsdb_error(ovsdb_atom_from_json(&atom, &uuid_base, | |
1566 | uuid_json, NULL)); | |
1567 | ||
1568 | char uuid_s[UUID_LEN + 1]; | |
1569 | snprintf(uuid_s, sizeof uuid_s, UUID_FMT, UUID_ARGS(&atom.uuid)); | |
1570 | json_object_put(output_rows, uuid_s, json_clone(row)); | |
1571 | } | |
1572 | json_object_put(output_txn, table_name, output_rows); | |
1573 | } | |
1574 | output_txn = ovsdb_file_txn_annotate( | |
1575 | output_txn, "produced by \"ovsdb-client backup\""); | |
1576 | print_and_free_log_record(output_txn); | |
1577 | ||
1578 | ovsdb_schema_destroy(schema); | |
1579 | jsonrpc_msg_destroy(reply); | |
1580 | } | |
1581 | ||
fe0fb885 BP |
1582 | static void |
1583 | do_restore(struct jsonrpc *rpc, const char *database, | |
1584 | int argc OVS_UNUSED, char *argv[] OVS_UNUSED) | |
1585 | { | |
1586 | if (isatty(STDIN_FILENO)) { | |
1587 | ovs_fatal(0, "not reading backup from a terminal; " | |
1588 | "please redirect stdin from a file"); | |
1589 | } | |
1590 | ||
1591 | struct ovsdb *backup; | |
1592 | check_ovsdb_error(ovsdb_file_open("/dev/stdin", true, &backup, NULL)); | |
1593 | ||
1594 | const struct ovsdb_schema *schema = backup->schema; | |
1595 | struct ovsdb_schema *schema2 = fetch_schema(rpc, database); | |
1596 | if (!ovsdb_schema_equal(schema, schema2)) { | |
1597 | struct ds s = DS_EMPTY_INITIALIZER; | |
1598 | if (strcmp(schema->version, schema2->version)) { | |
1599 | ds_put_format(&s, "backup schema has version \"%s\" but " | |
1600 | "database schema has version \"%s\"", | |
1601 | schema->version, schema2->version); | |
1602 | } else { | |
1603 | ds_put_format(&s, "backup schema and database schema are " | |
1604 | "both version %s but still differ", | |
1605 | schema->version); | |
1606 | } | |
1607 | if (!force) { | |
1608 | ovs_fatal(0, "%s (use --force to override differences, or " | |
1609 | "\"ovsdb-client convert\" to change the schema)", | |
1610 | ds_cstr(&s)); | |
1611 | } | |
1612 | VLOG_INFO("%s", ds_cstr(&s)); | |
1613 | ds_destroy(&s); | |
1614 | } | |
a34eba01 | 1615 | ovsdb_schema_destroy(schema2); |
fe0fb885 BP |
1616 | |
1617 | struct json *txn = json_array_create_empty(); | |
1618 | json_array_add(txn, json_string_create(schema->name)); | |
1619 | struct shash_node *node; | |
1620 | SHASH_FOR_EACH (node, &backup->tables) { | |
1621 | const char *table_name = node->name; | |
1622 | struct ovsdb_table *table = node->data; | |
1623 | ||
1624 | struct json *del_op = json_object_create(); | |
1625 | json_object_put_string(del_op, "op", "delete"); | |
1626 | json_object_put_string(del_op, "table", table_name); | |
1627 | json_object_put(del_op, "where", json_array_create_empty()); | |
1628 | json_array_add(txn, del_op); | |
1629 | ||
1630 | const struct ovsdb_row *row; | |
1631 | HMAP_FOR_EACH (row, hmap_node, &table->rows) { | |
1632 | struct json *ins_op = json_object_create(); | |
1633 | json_object_put_string(ins_op, "op", "insert"); | |
1634 | json_object_put_string(ins_op, "table", table_name); | |
1635 | json_object_put(ins_op, "uuid-name", | |
1636 | json_string_create_nocopy( | |
1637 | ovsdb_data_row_name(ovsdb_row_get_uuid(row)))); | |
1638 | struct json *row_json = json_object_create(); | |
1639 | json_object_put(ins_op, "row", row_json); | |
1640 | ||
1641 | struct shash_node *node2; | |
1642 | SHASH_FOR_EACH (node2, &table->schema->columns) { | |
1643 | const struct ovsdb_column *column = node2->data; | |
1644 | const struct ovsdb_datum *datum = &row->fields[column->index]; | |
1645 | const struct ovsdb_type *type = &column->type; | |
1646 | if (column->persistent | |
1647 | && column->index >= OVSDB_N_STD_COLUMNS | |
1648 | && !ovsdb_datum_is_default(datum, type)) { | |
1649 | struct json *value = ovsdb_datum_to_json_with_row_names( | |
1650 | datum, type); | |
1651 | json_object_put(row_json, column->name, value); | |
1652 | } | |
1653 | } | |
1654 | json_array_add(txn, ins_op); | |
1655 | } | |
1656 | } | |
a34eba01 | 1657 | ovsdb_destroy(backup); |
fe0fb885 BP |
1658 | struct jsonrpc_msg *rq = jsonrpc_create_request("transact", txn, NULL); |
1659 | struct jsonrpc_msg *reply; | |
1660 | check_txn(jsonrpc_transact_block(rpc, rq, &reply), &reply); | |
1661 | if (reply->result->type != JSON_ARRAY) { | |
1662 | ovs_fatal(0, "result is not array"); | |
1663 | } | |
1664 | for (size_t i = 0; i < json_array(reply->result)->n; i++) { | |
1665 | struct json *json = json_array(reply->result)->elems[i]; | |
1666 | if (json->type != JSON_OBJECT) { | |
1667 | ovs_fatal(0, "result array element is not object"); | |
1668 | } | |
1669 | struct shash *object = json_object(json); | |
1670 | if (shash_find(object, "error")) { | |
1671 | ovs_fatal(0, "server returned error reply: %s", | |
1672 | json_to_string(json, JSSF_SORT)); | |
1673 | } | |
1674 | } | |
1675 | jsonrpc_msg_destroy(reply); | |
1676 | } | |
1677 | ||
1678 | ||
d0632593 | 1679 | static void |
53ffefe9 BP |
1680 | do_help(struct jsonrpc *rpc OVS_UNUSED, const char *database OVS_UNUSED, |
1681 | int argc OVS_UNUSED, char *argv[] OVS_UNUSED) | |
d0632593 BP |
1682 | { |
1683 | usage(); | |
1684 | } | |
1685 | ||
9aeba3f4 AZ |
1686 | \f |
1687 | /* "lock" command. */ | |
1688 | ||
1689 | struct ovsdb_client_lock_req { | |
1690 | const char *method; | |
1691 | char *lock; | |
1692 | }; | |
1693 | ||
1694 | static void | |
1695 | lock_req_init(struct ovsdb_client_lock_req *lock_req, | |
1696 | const char *method, const char *lock_name) | |
1697 | { | |
1698 | if (lock_req->method || lock_req->lock) { | |
1699 | return; | |
1700 | } | |
1701 | lock_req->method = method; | |
1702 | lock_req->lock = xstrdup(lock_name); | |
1703 | } | |
1704 | ||
1705 | static bool | |
1706 | lock_req_is_set(struct ovsdb_client_lock_req *lock_req) | |
1707 | { | |
1708 | return lock_req->method; | |
1709 | } | |
1710 | ||
1711 | static void | |
1712 | lock_req_destroy(struct ovsdb_client_lock_req *lock_req) | |
1713 | { | |
1714 | free(lock_req->lock); | |
1715 | lock_req->method = NULL; | |
1716 | lock_req->lock = NULL; | |
1717 | } | |
1718 | ||
1719 | /* Create a lock class request. Caller is responsible for free | |
1720 | * the 'request' message. */ | |
1721 | static struct jsonrpc_msg * | |
1722 | create_lock_request(struct ovsdb_client_lock_req *lock_req) | |
1723 | { | |
1724 | struct json *locks, *lock; | |
1725 | ||
1726 | locks = json_array_create_empty(); | |
1727 | lock = json_string_create(lock_req->lock); | |
1728 | json_array_add(locks, lock); | |
1729 | ||
1730 | return jsonrpc_create_request(lock_req->method, locks, NULL); | |
1731 | } | |
1732 | ||
1733 | static void | |
1734 | ovsdb_client_lock(struct unixctl_conn *conn, int argc OVS_UNUSED, | |
1735 | const char *argv[], void *lock_req_) | |
1736 | { | |
1737 | struct ovsdb_client_lock_req *lock_req = lock_req_; | |
1738 | lock_req_init(lock_req, "lock", argv[1]); | |
1739 | unixctl_command_reply(conn, NULL); | |
1740 | } | |
1741 | ||
1742 | static void | |
1743 | ovsdb_client_unlock(struct unixctl_conn *conn, int argc OVS_UNUSED, | |
1744 | const char *argv[], void *lock_req_) | |
1745 | { | |
1746 | struct ovsdb_client_lock_req *lock_req = lock_req_; | |
1747 | lock_req_init(lock_req, "unlock", argv[1]); | |
1748 | unixctl_command_reply(conn, NULL); | |
1749 | } | |
1750 | ||
1751 | static void | |
1752 | ovsdb_client_steal(struct unixctl_conn *conn, int argc OVS_UNUSED, | |
1753 | const char *argv[], void *lock_req_) | |
1754 | { | |
1755 | struct ovsdb_client_lock_req *lock_req = lock_req_; | |
1756 | lock_req_init(lock_req, "steal", argv[1]); | |
1757 | unixctl_command_reply(conn, NULL); | |
1758 | } | |
1759 | ||
1760 | static void | |
1761 | do_lock(struct jsonrpc *rpc, const char *method, const char *lock) | |
1762 | { | |
1763 | struct ovsdb_client_lock_req lock_req = {NULL, NULL}; | |
1764 | struct unixctl_server *unixctl; | |
1765 | struct jsonrpc_msg *request; | |
1766 | struct json *request_id = NULL; | |
1767 | bool exiting = false; | |
1768 | bool enable_lock_request = true; /* Don't send another request before | |
1769 | getting a reply of the previous | |
1770 | request. */ | |
1771 | daemon_save_fd(STDOUT_FILENO); | |
1772 | daemonize_start(false); | |
1773 | lock_req_init(&lock_req, method, lock); | |
1774 | ||
1775 | if (get_detach()) { | |
1776 | int error; | |
1777 | ||
1778 | error = unixctl_server_create(NULL, &unixctl); | |
1779 | if (error) { | |
1780 | ovs_fatal(error, "failed to create unixctl server"); | |
1781 | } | |
1782 | ||
1783 | unixctl_command_register("unlock", "LOCK", 1, 1, | |
1784 | ovsdb_client_unlock, &lock_req); | |
1785 | unixctl_command_register("steal", "LOCK", 1, 1, | |
1786 | ovsdb_client_steal, &lock_req); | |
1787 | unixctl_command_register("lock", "LOCK", 1, 1, | |
1788 | ovsdb_client_lock, &lock_req); | |
1789 | unixctl_command_register("exit", "", 0, 0, | |
1790 | ovsdb_client_exit, &exiting); | |
1791 | } else { | |
1792 | unixctl = NULL; | |
1793 | } | |
1794 | ||
1795 | for (;;) { | |
1796 | struct jsonrpc_msg *msg; | |
1797 | int error; | |
1798 | ||
1799 | unixctl_server_run(unixctl); | |
1800 | if (enable_lock_request && lock_req_is_set(&lock_req)) { | |
1801 | request = create_lock_request(&lock_req); | |
1802 | request_id = json_clone(request->id); | |
1803 | jsonrpc_send(rpc, request); | |
1804 | lock_req_destroy(&lock_req); | |
1805 | } | |
1806 | ||
1807 | error = jsonrpc_recv(rpc, &msg); | |
1808 | if (error == EAGAIN) { | |
1809 | goto no_msg; | |
1810 | } else if (error) { | |
1811 | ovs_fatal(error, "%s: receive failed", jsonrpc_get_name(rpc)); | |
1812 | } | |
1813 | ||
1814 | if (msg->type == JSONRPC_REQUEST && !strcmp(msg->method, "echo")) { | |
1815 | jsonrpc_send(rpc, jsonrpc_create_reply(json_clone(msg->params), | |
1816 | msg->id)); | |
1817 | } else if (msg->type == JSONRPC_REPLY | |
1818 | && json_equal(msg->id, request_id)) { | |
1819 | print_json(msg->result); | |
9aeba3f4 AZ |
1820 | fflush(stdout); |
1821 | enable_lock_request = true; | |
1822 | json_destroy(request_id); | |
1823 | request_id = NULL; | |
1824 | daemonize_complete(); | |
1825 | } else if (msg->type == JSONRPC_NOTIFY) { | |
1826 | puts(msg->method); | |
1827 | print_json(msg->params); | |
9aeba3f4 AZ |
1828 | fflush(stdout); |
1829 | } | |
1830 | ||
1831 | jsonrpc_msg_destroy(msg); | |
1832 | ||
1833 | no_msg: | |
1834 | if (exiting) { | |
1835 | break; | |
1836 | } | |
1837 | ||
1838 | jsonrpc_run(rpc); | |
1839 | jsonrpc_wait(rpc); | |
1840 | jsonrpc_recv_wait(rpc); | |
1841 | ||
1842 | unixctl_server_wait(unixctl); | |
1843 | poll_block(); | |
1844 | } | |
1845 | ||
1846 | json_destroy(request_id); | |
1847 | unixctl_server_destroy(unixctl); | |
1848 | } | |
1849 | ||
1850 | static void | |
1851 | do_lock_create(struct jsonrpc *rpc, const char *database OVS_UNUSED, | |
1852 | int argc OVS_UNUSED, char *argv[]) | |
1853 | { | |
1854 | do_lock(rpc, "lock", argv[0]); | |
1855 | } | |
1856 | ||
1857 | static void | |
1858 | do_lock_steal(struct jsonrpc *rpc, const char *database OVS_UNUSED, | |
1859 | int argc OVS_UNUSED, char *argv[]) | |
1860 | { | |
1861 | do_lock(rpc, "steal", argv[0]); | |
1862 | } | |
1863 | ||
1864 | static void | |
1865 | do_lock_unlock(struct jsonrpc *rpc, const char *database OVS_UNUSED, | |
1866 | int argc OVS_UNUSED, char *argv[]) | |
1867 | { | |
1868 | do_lock(rpc, "unlock", argv[0]); | |
1869 | } | |
1870 | ||
53ffefe9 BP |
1871 | /* All command handlers (except for "help") are expected to take an optional |
1872 | * server socket name (e.g. "unix:...") as their first argument. The socket | |
1873 | * name argument must be included in max_args (but left out of min_args). The | |
1874 | * command name and socket name are not included in the arguments passed to the | |
1875 | * handler: the argv[0] passed to the handler is the first argument after the | |
1876 | * optional server socket name. The connection to the server is available as | |
1877 | * global variable 'rpc'. */ | |
1878 | static const struct ovsdb_client_command all_commands[] = { | |
1879 | { "list-dbs", NEED_RPC, 0, 0, do_list_dbs }, | |
1880 | { "get-schema", NEED_DATABASE, 0, 0, do_get_schema }, | |
1881 | { "get-schema-version", NEED_DATABASE, 0, 0, do_get_schema_version }, | |
33785c07 | 1882 | { "get-schema-cksum", NEED_DATABASE, 0, 0, do_get_schema_cksum }, |
53ffefe9 BP |
1883 | { "list-tables", NEED_DATABASE, 0, 0, do_list_tables }, |
1884 | { "list-columns", NEED_DATABASE, 0, 1, do_list_columns }, | |
1885 | { "transact", NEED_RPC, 1, 1, do_transact }, | |
838f9c31 | 1886 | { "query", NEED_RPC, 1, 1, do_query }, |
53ffefe9 | 1887 | { "monitor", NEED_DATABASE, 1, INT_MAX, do_monitor }, |
c383f3bf | 1888 | { "monitor-cond", NEED_DATABASE, 2, 3, do_monitor_cond }, |
b30aa413 | 1889 | { "dump", NEED_DATABASE, 0, INT_MAX, do_dump }, |
4d0a31b6 | 1890 | { "backup", NEED_DATABASE, 0, 0, do_backup }, |
fe0fb885 | 1891 | { "restore", NEED_DATABASE, 0, 0, do_restore }, |
9aeba3f4 AZ |
1892 | { "lock", NEED_RPC, 1, 1, do_lock_create }, |
1893 | { "steal", NEED_RPC, 1, 1, do_lock_steal }, | |
1894 | { "unlock", NEED_RPC, 1, 1, do_lock_unlock }, | |
53ffefe9 BP |
1895 | { "help", NEED_NONE, 0, INT_MAX, do_help }, |
1896 | ||
1897 | { NULL, 0, 0, 0, NULL }, | |
d0632593 | 1898 | }; |
3815d6c2 LS |
1899 | |
1900 | static const struct ovsdb_client_command *get_all_commands(void) | |
1901 | { | |
1902 | return all_commands; | |
1903 | } |