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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 | 20 | #include <errno.h> |
cb8cbbbe | 21 | #include <fcntl.h> |
d0632593 BP |
22 | #include <getopt.h> |
23 | #include <limits.h> | |
24 | #include <signal.h> | |
25 | #include <stdlib.h> | |
26 | #include <string.h> | |
27 | #include <unistd.h> | |
28 | ||
29 | #include "command-line.h" | |
30 | #include "column.h" | |
31 | #include "compiler.h" | |
3f262d7d | 32 | #include "daemon.h" |
53ffefe9 | 33 | #include "dirs.h" |
3e8a2ad1 | 34 | #include "openvswitch/dynamic-string.h" |
8a777cf6 | 35 | #include "fatal-signal.h" |
4d0a31b6 | 36 | #include "file.h" |
ee89ea7b | 37 | #include "openvswitch/json.h" |
d0632593 | 38 | #include "jsonrpc.h" |
3a3eb9da | 39 | #include "lib/table.h" |
4d0a31b6 | 40 | #include "log.h" |
d0632593 | 41 | #include "ovsdb.h" |
c3a0bfd5 | 42 | #include "ovsdb-data.h" |
d0632593 | 43 | #include "ovsdb-error.h" |
1b1d2e6d | 44 | #include "ovsdb-session.h" |
fd016ae3 | 45 | #include "openvswitch/poll-loop.h" |
fe0fb885 | 46 | #include "row.h" |
25c269ef | 47 | #include "sort.h" |
9a614624 | 48 | #include "svec.h" |
1b1d2e6d | 49 | #include "storage.h" |
d0632593 | 50 | #include "stream.h" |
9467fe62 | 51 | #include "stream-ssl.h" |
d0632593 | 52 | #include "table.h" |
1b1d2e6d | 53 | #include "transaction.h" |
85226894 | 54 | #include "monitor.h" |
c383f3bf | 55 | #include "condition.h" |
d0632593 | 56 | #include "timeval.h" |
4227b221 | 57 | #include "unixctl.h" |
d0632593 | 58 | #include "util.h" |
e6211adc | 59 | #include "openvswitch/vlog.h" |
5136ce49 | 60 | |
d98e6007 | 61 | VLOG_DEFINE_THIS_MODULE(ovsdb_client); |
d0632593 | 62 | |
53ffefe9 BP |
63 | enum args_needed { |
64 | NEED_NONE, /* No JSON-RPC connection or database name needed. */ | |
65 | NEED_RPC, /* JSON-RPC connection needed. */ | |
66 | NEED_DATABASE /* JSON-RPC connection and database name needed. */ | |
67 | }; | |
68 | ||
69 | struct ovsdb_client_command { | |
70 | const char *name; | |
71 | enum args_needed need; | |
72 | int min_args; | |
73 | int max_args; | |
74 | void (*handler)(struct jsonrpc *rpc, const char *database, | |
75 | int argc, char *argv[]); | |
76 | }; | |
77 | ||
8f46c9bb BP |
78 | /* --timestamp: Print a timestamp before each update on "monitor" command? */ |
79 | static bool timestamp; | |
80 | ||
10621d79 BP |
81 | /* --db-change-aware, --no-db-change-aware: Enable db_change_aware feature for |
82 | * "monitor" command? | |
83 | * | |
53178986 BP |
84 | * -1 (default): Use db_change_aware if available. |
85 | * 0: Disable db_change_aware. | |
86 | * 1: Require db_change_aware. | |
87 | * | |
88 | * (This option is undocumented because anything other than the default is | |
89 | * expected to be useful only for testing that the db_change_aware feature | |
90 | * actually works.) */ | |
91 | static int db_change_aware = -1; | |
10621d79 | 92 | |
fe0fb885 BP |
93 | /* --force: Ignore schema differences for "restore" command? */ |
94 | static bool force; | |
95 | ||
1b1d2e6d BP |
96 | /* --leader-only, --no-leader-only: Only accept the leader in a cluster. */ |
97 | static bool leader_only = true; | |
98 | ||
3a3eb9da BP |
99 | /* Format for table output. */ |
100 | static struct table_style table_style = TABLE_STYLE_DEFAULT; | |
c3a0bfd5 | 101 | |
3815d6c2 | 102 | static const struct ovsdb_client_command *get_all_commands(void); |
d0632593 | 103 | |
1b1d2e6d BP |
104 | static struct json *parse_json(const char *); |
105 | ||
cab50449 | 106 | OVS_NO_RETURN static void usage(void); |
d0632593 | 107 | static void parse_options(int argc, char *argv[]); |
53ffefe9 | 108 | static struct jsonrpc *open_jsonrpc(const char *server); |
9a614624 | 109 | static void fetch_dbs(struct jsonrpc *, struct svec *dbs); |
1b1d2e6d BP |
110 | static bool should_stay_connected(const char *server, const char *database, |
111 | const struct uuid *cid, | |
112 | const struct jsonrpc_msg *reply); | |
113 | struct jsonrpc_msg *create_database_info_request(const char *database); | |
114 | ||
115 | static char * | |
116 | default_remote(void) | |
117 | { | |
118 | return xasprintf("unix:%s/db.sock", ovs_rundir()); | |
119 | } | |
120 | ||
121 | static int | |
122 | open_rpc(int min_args, enum args_needed need, | |
123 | int argc, char *argv[], struct jsonrpc **rpcp, char **databasep) | |
124 | { | |
125 | struct svec remotes = SVEC_EMPTY_INITIALIZER; | |
126 | struct uuid cid = UUID_ZERO; | |
127 | ||
128 | /* First figure out the remote(s). If the first command-line argument has | |
129 | * the form of a remote, use it, otherwise use the default. */ | |
130 | int argidx = 0; | |
131 | if (argc > min_args && (isalpha((unsigned char) argv[0][0]) | |
132 | && strchr(argv[0], ':'))) { | |
133 | ovsdb_session_parse_remote(argv[argidx++], &remotes, &cid); | |
134 | } else { | |
135 | svec_add_nocopy(&remotes, default_remote()); | |
136 | } | |
137 | ||
138 | /* Handle the case where there's one remote. In this case, if we need a | |
139 | * database name, we try to figure out a default if none was specified | |
140 | * explicitly. */ | |
141 | char *database = *databasep; | |
142 | if (remotes.n == 1) { | |
143 | struct jsonrpc *rpc = open_jsonrpc(remotes.names[0]); | |
144 | svec_destroy(&remotes); | |
145 | ||
146 | if (need == NEED_DATABASE && !database) { | |
147 | struct svec dbs; | |
148 | ||
149 | svec_init(&dbs); | |
150 | fetch_dbs(rpc, &dbs); | |
151 | if (argc - argidx > min_args | |
152 | && svec_contains(&dbs, argv[argidx])) { | |
153 | database = xstrdup(argv[argidx++]); | |
154 | } else if (svec_contains(&dbs, "Open_vSwitch")) { | |
155 | database = xstrdup("Open_vSwitch"); | |
156 | } else { | |
157 | size_t n = 0; | |
158 | const char *best = NULL; | |
159 | for (size_t i = 0; i < dbs.n; i++) { | |
160 | if (dbs.names[i][0] != '_') { | |
161 | best = dbs.names[i]; | |
162 | n++; | |
163 | } | |
164 | } | |
165 | if (n != 1) { | |
166 | jsonrpc_close(rpc); | |
167 | ovs_fatal(0, "could not find a default database, " | |
168 | "please specify a database name"); | |
169 | } | |
170 | database = xstrdup(best); | |
171 | } | |
172 | svec_destroy(&dbs); | |
173 | } | |
174 | *rpcp = rpc; | |
175 | *databasep = database; | |
176 | ||
177 | return argidx; | |
178 | } | |
179 | ||
180 | /* If there's more than one remote, and we need a database name, then it | |
181 | * must be specified explicitly. It's too likely to cause surprising | |
182 | * behavior if we try to pick a default across several servers. */ | |
183 | if (!database && need == NEED_DATABASE) { | |
184 | if (argc - argidx > min_args) { | |
185 | database = xstrdup(argv[argidx++]); | |
186 | } else { | |
187 | ovs_fatal(0, "database name is required with multiple remotes"); | |
188 | } | |
189 | } | |
190 | ||
191 | /* We have multiple remotes. Connect to them in a random order and choose | |
192 | * the first one that is up and hosts the database we want (if any) in an | |
193 | * acceptable state. */ | |
194 | struct jsonrpc_session *js = jsonrpc_session_open_multiple( | |
195 | &remotes, false); | |
196 | svec_destroy(&remotes); | |
197 | ||
198 | unsigned int seqno = 0; | |
199 | struct json *id = NULL; | |
200 | for (;;) { | |
201 | jsonrpc_session_run(js); | |
202 | if (!jsonrpc_session_is_alive(js)) { | |
203 | ovs_fatal(0, "no servers were available"); | |
204 | } | |
205 | ||
206 | if (seqno != jsonrpc_session_get_seqno(js) | |
207 | && jsonrpc_session_is_connected(js)) { | |
208 | if (!database) { | |
209 | break; | |
210 | } | |
211 | ||
212 | seqno = jsonrpc_session_get_seqno(js); | |
213 | struct jsonrpc_msg *txn = create_database_info_request(database); | |
214 | json_destroy(id); | |
215 | id = json_clone(txn->id); | |
216 | jsonrpc_session_send(js, txn); | |
217 | } | |
218 | ||
219 | struct jsonrpc_msg *reply = jsonrpc_session_recv(js); | |
220 | if (reply && id && reply->id && json_equal(id, reply->id)) { | |
221 | if (reply->type == JSONRPC_REPLY | |
222 | && should_stay_connected(jsonrpc_session_get_name(js), | |
223 | database, &cid, reply)) { | |
224 | jsonrpc_msg_destroy(reply); | |
225 | break; | |
226 | } | |
227 | jsonrpc_session_force_reconnect(js); | |
228 | } | |
229 | jsonrpc_msg_destroy(reply); | |
230 | ||
231 | jsonrpc_session_recv_wait(js); | |
232 | jsonrpc_session_wait(js); | |
233 | poll_block(); | |
234 | } | |
235 | json_destroy(id); | |
236 | ||
237 | *rpcp = jsonrpc_session_steal(js); | |
238 | *databasep = database; | |
239 | return argidx; | |
240 | } | |
d0632593 BP |
241 | |
242 | int | |
243 | main(int argc, char *argv[]) | |
244 | { | |
53ffefe9 | 245 | const struct ovsdb_client_command *command; |
5f383751 | 246 | ovs_cmdl_proctitle_init(argc, argv); |
d0632593 | 247 | set_program_name(argv[0]); |
fe559381 | 248 | service_start(&argc, &argv); |
d0632593 | 249 | parse_options(argc, argv); |
8a777cf6 | 250 | fatal_ignore_sigpipe(); |
53ffefe9 | 251 | |
e91b927d | 252 | daemon_become_new_user(false); |
53ffefe9 BP |
253 | if (optind >= argc) { |
254 | ovs_fatal(0, "missing command name; use --help for help"); | |
255 | } | |
256 | ||
3815d6c2 | 257 | for (command = get_all_commands(); ; command++) { |
53ffefe9 BP |
258 | if (!command->name) { |
259 | VLOG_FATAL("unknown command '%s'; use --help for help", | |
260 | argv[optind]); | |
261 | } else if (!strcmp(command->name, argv[optind])) { | |
262 | break; | |
263 | } | |
264 | } | |
265 | optind++; | |
266 | ||
1b1d2e6d BP |
267 | char *database = NULL; |
268 | struct jsonrpc *rpc = NULL; | |
53ffefe9 | 269 | if (command->need != NEED_NONE) { |
1b1d2e6d BP |
270 | optind += open_rpc(command->min_args, command->need, |
271 | argc - optind, argv + optind, &rpc, &database); | |
53ffefe9 BP |
272 | } |
273 | ||
53ffefe9 BP |
274 | |
275 | if (argc - optind < command->min_args || | |
276 | argc - optind > command->max_args) { | |
880f5c03 | 277 | free(database); |
53ffefe9 BP |
278 | VLOG_FATAL("invalid syntax for '%s' (use --help for help)", |
279 | command->name); | |
280 | } | |
281 | ||
282 | command->handler(rpc, database, argc - optind, argv + optind); | |
283 | ||
af65491d | 284 | free(database); |
53ffefe9 BP |
285 | jsonrpc_close(rpc); |
286 | ||
287 | if (ferror(stdout)) { | |
288 | VLOG_FATAL("write to stdout failed"); | |
289 | } | |
290 | if (ferror(stderr)) { | |
291 | VLOG_FATAL("write to stderr failed"); | |
292 | } | |
293 | ||
d0632593 BP |
294 | return 0; |
295 | } | |
296 | ||
297 | static void | |
298 | parse_options(int argc, char *argv[]) | |
299 | { | |
9467fe62 | 300 | enum { |
8274ae95 | 301 | OPT_BOOTSTRAP_CA_CERT = UCHAR_MAX + 1, |
8f46c9bb | 302 | OPT_TIMESTAMP, |
fe0fb885 | 303 | OPT_FORCE, |
1b1d2e6d BP |
304 | OPT_LEADER_ONLY, |
305 | OPT_NO_LEADER_ONLY, | |
1af09488 | 306 | VLOG_OPTION_ENUMS, |
8274ae95 | 307 | DAEMON_OPTION_ENUMS, |
e18a1d08 ER |
308 | TABLE_OPTION_ENUMS, |
309 | SSL_OPTION_ENUMS, | |
9467fe62 | 310 | }; |
07fc4ed3 | 311 | static const struct option long_options[] = { |
e3c17733 BP |
312 | {"help", no_argument, NULL, 'h'}, |
313 | {"version", no_argument, NULL, 'V'}, | |
8f46c9bb | 314 | {"timestamp", no_argument, NULL, OPT_TIMESTAMP}, |
fe0fb885 | 315 | {"force", no_argument, NULL, OPT_FORCE}, |
c55d0b7b | 316 | {"timeout", required_argument, NULL, 't'}, |
10621d79 BP |
317 | {"db-change-aware", no_argument, &db_change_aware, 1}, |
318 | {"no-db-change-aware", no_argument, &db_change_aware, 0}, | |
1b1d2e6d BP |
319 | {"leader-only", no_argument, NULL, OPT_LEADER_ONLY}, |
320 | {"no-leader-only", no_argument, NULL, OPT_NO_LEADER_ONLY}, | |
1af09488 | 321 | VLOG_LONG_OPTIONS, |
3f262d7d | 322 | DAEMON_LONG_OPTIONS, |
9467fe62 | 323 | #ifdef HAVE_OPENSSL |
e3c17733 | 324 | {"bootstrap-ca-cert", required_argument, NULL, OPT_BOOTSTRAP_CA_CERT}, |
bf8f2167 | 325 | STREAM_SSL_LONG_OPTIONS, |
9467fe62 | 326 | #endif |
bf8f2167 | 327 | TABLE_LONG_OPTIONS, |
e3c17733 | 328 | {NULL, 0, NULL, 0}, |
d0632593 | 329 | }; |
5f383751 | 330 | char *short_options = ovs_cmdl_long_options_to_short_options(long_options); |
9551e80b | 331 | unsigned int timeout = 0; |
d0632593 | 332 | |
c4817da7 LR |
333 | table_style.format = TF_TABLE; |
334 | ||
d0632593 BP |
335 | for (;;) { |
336 | int c; | |
337 | ||
338 | c = getopt_long(argc, argv, short_options, long_options, NULL); | |
339 | if (c == -1) { | |
340 | break; | |
341 | } | |
342 | ||
343 | switch (c) { | |
d0632593 BP |
344 | case 'h': |
345 | usage(); | |
346 | ||
347 | case 'V': | |
55d5bb44 | 348 | ovs_print_version(0, 0); |
d0632593 BP |
349 | exit(EXIT_SUCCESS); |
350 | ||
1af09488 | 351 | VLOG_OPTION_HANDLERS |
3f262d7d | 352 | DAEMON_OPTION_HANDLERS |
3a3eb9da | 353 | TABLE_OPTION_HANDLERS(&table_style) |
9467fe62 BP |
354 | STREAM_SSL_OPTION_HANDLERS |
355 | ||
356 | case OPT_BOOTSTRAP_CA_CERT: | |
357 | stream_ssl_set_ca_cert_file(optarg, true); | |
358 | break; | |
9467fe62 | 359 | |
8f46c9bb BP |
360 | case OPT_TIMESTAMP: |
361 | timestamp = true; | |
362 | break; | |
363 | ||
fe0fb885 BP |
364 | case OPT_FORCE: |
365 | force = true; | |
366 | break; | |
367 | ||
c55d0b7b | 368 | case 't': |
cbcf40a8 IM |
369 | if (!str_to_uint(optarg, 10, &timeout) || !timeout) { |
370 | ovs_fatal(0, "value %s on -t or --timeout is invalid", optarg); | |
c55d0b7b BP |
371 | } |
372 | break; | |
373 | ||
1b1d2e6d BP |
374 | case OPT_LEADER_ONLY: |
375 | leader_only = true; | |
376 | break; | |
377 | ||
378 | case OPT_NO_LEADER_ONLY: | |
379 | leader_only = false; | |
380 | break; | |
381 | ||
d0632593 BP |
382 | case '?': |
383 | exit(EXIT_FAILURE); | |
384 | ||
385 | case 0: | |
386 | /* getopt_long() already set the value for us. */ | |
387 | break; | |
388 | ||
389 | default: | |
390 | abort(); | |
391 | } | |
392 | } | |
393 | free(short_options); | |
9551e80b IM |
394 | |
395 | ctl_timeout_setup(timeout); | |
d0632593 BP |
396 | } |
397 | ||
398 | static void | |
399 | usage(void) | |
400 | { | |
401 | printf("%s: Open vSwitch database JSON-RPC client\n" | |
402 | "usage: %s [OPTIONS] COMMAND [ARG...]\n" | |
403 | "\nValid commands are:\n" | |
53ffefe9 | 404 | "\n list-dbs [SERVER]\n" |
9cb53f26 | 405 | " list databases available on SERVER\n" |
53ffefe9 | 406 | "\n get-schema [SERVER] [DATABASE]\n" |
9cb53f26 | 407 | " retrieve schema for DATABASE from SERVER\n" |
53ffefe9 | 408 | "\n get-schema-version [SERVER] [DATABASE]\n" |
8159b984 BP |
409 | " retrieve schema for DATABASE from SERVER and report only its\n" |
410 | " version number on stdout\n" | |
33785c07 BP |
411 | "\n get-schema-cksum [SERVER] [DATABASE]\n" |
412 | " retrieve schema for DATABASE from SERVER and report only its\n" | |
413 | " checksum on stdout\n" | |
53ffefe9 | 414 | "\n list-tables [SERVER] [DATABASE]\n" |
25c269ef | 415 | " list tables for DATABASE on SERVER\n" |
53ffefe9 | 416 | "\n list-columns [SERVER] [DATABASE] [TABLE]\n" |
9cb53f26 | 417 | " list columns in TABLE (or all tables) in DATABASE on SERVER\n" |
53ffefe9 | 418 | "\n transact [SERVER] TRANSACTION\n" |
838f9c31 | 419 | " run TRANSACTION (params for \"transact\" request) on SERVER\n" |
a8425c53 | 420 | " and print the results as JSON on stdout\n" |
838f9c31 BP |
421 | "\n query [SERVER] TRANSACTION\n" |
422 | " run TRANSACTION (params for \"transact\" request) on SERVER,\n" | |
423 | " as read-only, and print the results as JSON on stdout\n" | |
53ffefe9 | 424 | "\n monitor [SERVER] [DATABASE] TABLE [COLUMN,...]...\n" |
20aa445d BP |
425 | " monitor contents of COLUMNs in TABLE in DATABASE on SERVER.\n" |
426 | " COLUMNs may include !initial, !insert, !delete, !modify\n" | |
427 | " to avoid seeing the specified kinds of changes.\n" | |
c383f3bf LS |
428 | "\n monitor-cond [SERVER] [DATABASE] CONDITION TABLE [COLUMN,...]...\n" |
429 | " monitor contents that match CONDITION of COLUMNs in TABLE in\n" | |
430 | " DATABASE on SERVER.\n" | |
431 | " COLUMNs may include !initial, !insert, !delete, !modify\n" | |
432 | " to avoid seeing the specified kinds of changes.\n" | |
53178986 BP |
433 | "\n convert [SERVER] SCHEMA\n" |
434 | " convert database on SERVER named in SCHEMA to SCHEMA.\n" | |
435 | "\n needs-conversion [SERVER] SCHEMA\n" | |
436 | " tests whether SCHEMA's db on SERVER needs conversion.\n" | |
4227b221 BP |
437 | "\n monitor [SERVER] [DATABASE] ALL\n" |
438 | " monitor all changes to all columns in all tables\n" | |
1b1d2e6d BP |
439 | "\n wait [SERVER] DATABASE STATE\n" |
440 | " wait until DATABASE reaches STATE " | |
441 | "(\"added\" or \"connected\" or \"removed\")\n" | |
4227b221 | 442 | " in DATBASE on SERVER.\n" |
85226894 | 443 | "\n dump [SERVER] [DATABASE]\n" |
53ffefe9 | 444 | " dump contents of DATABASE on SERVER to stdout\n" |
fe0fb885 | 445 | "\n backup [SERVER] [DATABASE] > SNAPSHOT\n" |
4d0a31b6 | 446 | " dump database contents in the form of a database file\n" |
fe0fb885 BP |
447 | "\n [--force] restore [SERVER] [DATABASE] < SNAPSHOT\n" |
448 | " restore database contents from a database file\n" | |
9aeba3f4 AZ |
449 | "\n lock [SERVER] LOCK\n" |
450 | " create or wait for LOCK in SERVER\n" | |
451 | "\n steal [SERVER] LOCK\n" | |
452 | " steal LOCK from SERVER\n" | |
453 | "\n unlock [SERVER] LOCK\n" | |
454 | " unlock LOCK from SERVER\n" | |
53ffefe9 BP |
455 | "\nThe default SERVER is unix:%s/db.sock.\n" |
456 | "The default DATABASE is Open_vSwitch.\n", | |
457 | program_name, program_name, ovs_rundir()); | |
9467fe62 | 458 | stream_usage("SERVER", true, true, true); |
bcb58ce0 LR |
459 | table_usage(); |
460 | printf(" --timestamp timestamp \"monitor\" output"); | |
3f262d7d | 461 | daemon_usage(); |
d0632593 BP |
462 | vlog_usage(); |
463 | printf("\nOther options:\n" | |
464 | " -h, --help display this help message\n" | |
465 | " -V, --version display version information\n"); | |
466 | exit(EXIT_SUCCESS); | |
467 | } | |
468 | \f | |
d35f8e72 EJ |
469 | static void |
470 | check_txn(int error, struct jsonrpc_msg **reply_) | |
471 | { | |
472 | struct jsonrpc_msg *reply = *reply_; | |
473 | ||
474 | if (error) { | |
475 | ovs_fatal(error, "transaction failed"); | |
476 | } | |
477 | ||
478 | if (reply->error) { | |
479 | ovs_fatal(error, "transaction returned error: %s", | |
480 | json_to_string(reply->error, table_style.json_flags)); | |
481 | } | |
482 | } | |
483 | ||
6d65eee8 BP |
484 | static struct json * |
485 | parse_json(const char *s) | |
486 | { | |
487 | struct json *json = json_from_string(s); | |
488 | if (json->type == JSON_STRING) { | |
fa37affa | 489 | ovs_fatal(0, "\"%s\": %s", s, json->string); |
6d65eee8 BP |
490 | } |
491 | return json; | |
492 | } | |
493 | ||
d0632593 BP |
494 | static struct jsonrpc * |
495 | open_jsonrpc(const char *server) | |
496 | { | |
497 | struct stream *stream; | |
498 | int error; | |
499 | ||
f125905c | 500 | error = stream_open_block(jsonrpc_stream_open(server, &stream, |
77f42ca5 | 501 | DSCP_DEFAULT), -1, &stream); |
1b0f0f17 BP |
502 | if (error == EAFNOSUPPORT) { |
503 | struct pstream *pstream; | |
504 | ||
f125905c | 505 | error = jsonrpc_pstream_open(server, &pstream, DSCP_DEFAULT); |
1b0f0f17 BP |
506 | if (error) { |
507 | ovs_fatal(error, "failed to connect or listen to \"%s\"", server); | |
508 | } | |
509 | ||
510 | VLOG_INFO("%s: waiting for connection...", server); | |
511 | error = pstream_accept_block(pstream, &stream); | |
512 | if (error) { | |
513 | ovs_fatal(error, "failed to accept connection on \"%s\"", server); | |
514 | } | |
515 | ||
516 | pstream_close(pstream); | |
517 | } else if (error) { | |
d0632593 BP |
518 | ovs_fatal(error, "failed to connect to \"%s\"", server); |
519 | } | |
520 | ||
521 | return jsonrpc_open(stream); | |
522 | } | |
523 | ||
524 | static void | |
525 | print_json(struct json *json) | |
526 | { | |
3a3eb9da | 527 | char *string = json_to_string(json, table_style.json_flags); |
838f9c31 | 528 | puts(string); |
d0632593 BP |
529 | free(string); |
530 | } | |
531 | ||
532 | static void | |
533 | print_and_free_json(struct json *json) | |
534 | { | |
535 | print_json(json); | |
536 | json_destroy(json); | |
537 | } | |
538 | ||
539 | static void | |
540 | check_ovsdb_error(struct ovsdb_error *error) | |
541 | { | |
542 | if (error) { | |
543 | ovs_fatal(0, "%s", ovsdb_error_to_string(error)); | |
544 | } | |
545 | } | |
546 | ||
547 | static struct ovsdb_schema * | |
53ffefe9 | 548 | fetch_schema(struct jsonrpc *rpc, const char *database) |
d0632593 BP |
549 | { |
550 | struct jsonrpc_msg *request, *reply; | |
551 | struct ovsdb_schema *schema; | |
d0632593 | 552 | |
9cb53f26 BP |
553 | request = jsonrpc_create_request("get_schema", |
554 | json_array_create_1( | |
555 | json_string_create(database)), | |
20bed8be | 556 | NULL); |
d35f8e72 | 557 | check_txn(jsonrpc_transact_block(rpc, request, &reply), &reply); |
d0632593 BP |
558 | check_ovsdb_error(ovsdb_schema_from_json(reply->result, &schema)); |
559 | jsonrpc_msg_destroy(reply); | |
a8425c53 BP |
560 | |
561 | return schema; | |
562 | } | |
563 | ||
9cb53f26 | 564 | static void |
9a614624 | 565 | fetch_dbs(struct jsonrpc *rpc, struct svec *dbs) |
9cb53f26 BP |
566 | { |
567 | struct jsonrpc_msg *request, *reply; | |
9cb53f26 BP |
568 | size_t i; |
569 | ||
9cb53f26 BP |
570 | request = jsonrpc_create_request("list_dbs", json_array_create_empty(), |
571 | NULL); | |
9cb53f26 | 572 | |
d35f8e72 | 573 | check_txn(jsonrpc_transact_block(rpc, request, &reply), &reply); |
9cb53f26 BP |
574 | if (reply->result->type != JSON_ARRAY) { |
575 | ovs_fatal(0, "list_dbs response is not array"); | |
576 | } | |
577 | ||
fa37affa BP |
578 | for (i = 0; i < reply->result->array.n; i++) { |
579 | const struct json *name = reply->result->array.elems[i]; | |
9cb53f26 BP |
580 | |
581 | if (name->type != JSON_STRING) { | |
34582733 | 582 | ovs_fatal(0, "list_dbs response %"PRIuSIZE" is not string", i); |
9cb53f26 | 583 | } |
fa37affa | 584 | svec_add(dbs, name->string); |
9cb53f26 BP |
585 | } |
586 | jsonrpc_msg_destroy(reply); | |
71fceeb0 | 587 | svec_sort(dbs); |
9cb53f26 | 588 | } |
1b1d2e6d BP |
589 | |
590 | static const char * | |
591 | parse_string_column(const struct json *row, const char *column_name) | |
592 | { | |
593 | const struct json *column = shash_find_data(json_object(row), column_name); | |
594 | return column && column->type == JSON_STRING ? json_string(column) : ""; | |
595 | } | |
596 | ||
597 | static int | |
598 | parse_boolean_column(const struct json *row, const char *column_name) | |
599 | { | |
600 | const struct json *column = shash_find_data(json_object(row), column_name); | |
601 | return (!column ? -1 | |
602 | : column->type == JSON_TRUE ? true | |
603 | : column->type == JSON_FALSE ? false | |
604 | : -1); | |
605 | } | |
606 | ||
607 | static struct uuid | |
608 | parse_uuid_column(const struct json *row, const char *column_name) | |
609 | { | |
610 | const struct json *column = shash_find_data(json_object(row), column_name); | |
611 | if (!column) { | |
612 | return UUID_ZERO; | |
613 | } | |
614 | ||
615 | struct ovsdb_type type = { OVSDB_BASE_UUID_INIT, OVSDB_BASE_VOID_INIT, | |
616 | 0, 1 }; | |
617 | struct ovsdb_datum datum; | |
618 | struct ovsdb_error *error = ovsdb_datum_from_json(&datum, &type, column, | |
619 | NULL); | |
620 | if (error) { | |
621 | ovsdb_error_destroy(error); | |
622 | return UUID_ZERO; | |
623 | } | |
624 | struct uuid uuid = datum.n > 0 ? datum.keys[0].uuid : UUID_ZERO; | |
625 | ovsdb_datum_destroy(&datum, &type); | |
626 | return uuid; | |
627 | } | |
628 | ||
629 | struct jsonrpc_msg * | |
630 | create_database_info_request(const char *database) | |
631 | { | |
632 | struct json *op = json_object_create(); | |
633 | json_object_put_string(op, "op", "select"); | |
634 | json_object_put_string(op, "table", "Database"); | |
635 | struct json *condition = json_array_create_3( | |
636 | json_string_create("name"), | |
637 | json_string_create("=="), | |
638 | json_string_create(database)); | |
639 | json_object_put(op, "where", json_array_create_1(condition)); | |
640 | struct json *txn = json_array_create_2( | |
641 | json_string_create("_Server"), op); | |
642 | return jsonrpc_create_request("transact", txn, NULL); | |
643 | } | |
644 | ||
645 | static const struct json * | |
646 | parse_database_info_reply(const struct jsonrpc_msg *reply, const char *server, | |
647 | const char *database, const struct uuid *cid) | |
648 | { | |
649 | const struct json *result = reply->result; | |
650 | if (result->type != JSON_ARRAY | |
fa37affa BP |
651 | || result->array.n != 1 |
652 | || result->array.elems[0]->type != JSON_OBJECT) { | |
1b1d2e6d BP |
653 | VLOG_WARN("%s: unexpected reply to _Server request for %s", |
654 | server, database); | |
655 | return NULL; | |
656 | } | |
657 | ||
fa37affa | 658 | const struct json *op_result = result->array.elems[0]; |
1b1d2e6d BP |
659 | const struct json *rows = shash_find_data(json_object(op_result), "rows"); |
660 | if (!rows || rows->type != JSON_ARRAY) { | |
661 | VLOG_WARN("%s: missing \"rows\" member in _Server reply for %s", | |
662 | server, database); | |
663 | return NULL; | |
664 | } | |
665 | ||
fa37affa BP |
666 | for (size_t i = 0; i < rows->array.n; i++) { |
667 | const struct json *row = rows->array.elems[i]; | |
1b1d2e6d BP |
668 | if (row->type != JSON_OBJECT) { |
669 | VLOG_WARN("%s: bad row in _Server reply for %s", | |
670 | server, database); | |
671 | continue; | |
672 | } | |
673 | ||
674 | if (strcmp(parse_string_column(row, "name"), database)) { | |
675 | continue; | |
676 | } | |
677 | ||
678 | if (cid && !uuid_is_zero(cid)) { | |
679 | struct uuid cid2 = parse_uuid_column(row, "cid"); | |
680 | if (!uuid_equals(cid, &cid2)) { | |
681 | continue; | |
682 | } | |
683 | } | |
684 | ||
685 | return row; | |
686 | } | |
687 | ||
688 | /* No such database. */ | |
689 | return NULL; | |
690 | } | |
691 | ||
692 | /* Parses 'reply', a JSON-RPC reply to our request asking for the status of | |
693 | * 'database' on 'server'. Determines whether this server is acceptable for | |
694 | * the transaction we want to make and returns true if so or false to | |
695 | * disconnect and try a different server. */ | |
696 | static bool | |
697 | should_stay_connected(const char *server, const char *database, | |
698 | const struct uuid *cid, const struct jsonrpc_msg *reply) | |
699 | { | |
700 | const struct json *row = parse_database_info_reply(reply, server, | |
701 | database, cid); | |
702 | if (!row) { | |
703 | /* No such database. */ | |
704 | return false; | |
705 | } | |
706 | ||
707 | if (strcmp(parse_string_column(row, "model"), "clustered")) { | |
708 | /* Always accept standalone databases. */ | |
709 | return true; | |
710 | } | |
711 | ||
712 | if (!parse_boolean_column(row, "connected")) { | |
713 | /* Reject disconnected servers. */ | |
714 | return false; | |
715 | } | |
716 | ||
717 | if (leader_only && !parse_boolean_column(row, "leader")) { | |
718 | /* Reject if not leader.. */ | |
719 | return false; | |
720 | } | |
721 | ||
722 | return true; | |
723 | } | |
53ffefe9 BP |
724 | \f |
725 | static void | |
726 | do_list_dbs(struct jsonrpc *rpc, const char *database OVS_UNUSED, | |
727 | int argc OVS_UNUSED, char *argv[] OVS_UNUSED) | |
728 | { | |
729 | const char *db_name; | |
9a614624 BP |
730 | struct svec dbs; |
731 | size_t i; | |
53ffefe9 | 732 | |
9a614624 | 733 | svec_init(&dbs); |
53ffefe9 | 734 | fetch_dbs(rpc, &dbs); |
9a614624 | 735 | SVEC_FOR_EACH (i, db_name, &dbs) { |
53ffefe9 BP |
736 | puts(db_name); |
737 | } | |
9a614624 | 738 | svec_destroy(&dbs); |
53ffefe9 | 739 | } |
9cb53f26 | 740 | |
d0632593 | 741 | static void |
53ffefe9 BP |
742 | do_get_schema(struct jsonrpc *rpc, const char *database, |
743 | int argc OVS_UNUSED, char *argv[] OVS_UNUSED) | |
d0632593 | 744 | { |
53ffefe9 | 745 | struct ovsdb_schema *schema = fetch_schema(rpc, database); |
d0632593 BP |
746 | print_and_free_json(ovsdb_schema_to_json(schema)); |
747 | ovsdb_schema_destroy(schema); | |
748 | } | |
749 | ||
8159b984 | 750 | static void |
53ffefe9 BP |
751 | do_get_schema_version(struct jsonrpc *rpc, const char *database, |
752 | int argc OVS_UNUSED, char *argv[] OVS_UNUSED) | |
8159b984 | 753 | { |
53ffefe9 | 754 | struct ovsdb_schema *schema = fetch_schema(rpc, database); |
8159b984 BP |
755 | puts(schema->version); |
756 | ovsdb_schema_destroy(schema); | |
757 | } | |
758 | ||
33785c07 BP |
759 | static void |
760 | do_get_schema_cksum(struct jsonrpc *rpc, const char *database, | |
761 | int argc OVS_UNUSED, char *argv[] OVS_UNUSED) | |
762 | { | |
763 | struct ovsdb_schema *schema = fetch_schema(rpc, database); | |
764 | puts(schema->cksum); | |
765 | ovsdb_schema_destroy(schema); | |
766 | } | |
767 | ||
d0632593 | 768 | static void |
53ffefe9 BP |
769 | do_list_tables(struct jsonrpc *rpc, const char *database, |
770 | int argc OVS_UNUSED, char *argv[] OVS_UNUSED) | |
d0632593 BP |
771 | { |
772 | struct ovsdb_schema *schema; | |
773 | struct shash_node *node; | |
774 | struct table t; | |
775 | ||
53ffefe9 | 776 | schema = fetch_schema(rpc, database); |
d0632593 BP |
777 | table_init(&t); |
778 | table_add_column(&t, "Table"); | |
d0632593 BP |
779 | SHASH_FOR_EACH (node, &schema->tables) { |
780 | struct ovsdb_table_schema *ts = node->data; | |
781 | ||
782 | table_add_row(&t); | |
772387d5 | 783 | table_add_cell(&t)->text = xstrdup(ts->name); |
d0632593 BP |
784 | } |
785 | ovsdb_schema_destroy(schema); | |
3a3eb9da | 786 | table_print(&t, &table_style); |
af65491d | 787 | table_destroy(&t); |
d0632593 BP |
788 | } |
789 | ||
790 | static void | |
53ffefe9 BP |
791 | do_list_columns(struct jsonrpc *rpc, const char *database, |
792 | int argc OVS_UNUSED, char *argv[]) | |
d0632593 | 793 | { |
53ffefe9 | 794 | const char *table_name = argv[0]; |
d0632593 BP |
795 | struct ovsdb_schema *schema; |
796 | struct shash_node *table_node; | |
797 | struct table t; | |
798 | ||
53ffefe9 | 799 | schema = fetch_schema(rpc, database); |
d0632593 BP |
800 | table_init(&t); |
801 | if (!table_name) { | |
802 | table_add_column(&t, "Table"); | |
803 | } | |
804 | table_add_column(&t, "Column"); | |
805 | table_add_column(&t, "Type"); | |
d0632593 BP |
806 | SHASH_FOR_EACH (table_node, &schema->tables) { |
807 | struct ovsdb_table_schema *ts = table_node->data; | |
808 | ||
809 | if (!table_name || !strcmp(table_name, ts->name)) { | |
810 | struct shash_node *column_node; | |
811 | ||
812 | SHASH_FOR_EACH (column_node, &ts->columns) { | |
bd76d25d | 813 | const struct ovsdb_column *column = column_node->data; |
d0632593 BP |
814 | |
815 | table_add_row(&t); | |
816 | if (!table_name) { | |
772387d5 | 817 | table_add_cell(&t)->text = xstrdup(ts->name); |
d0632593 | 818 | } |
772387d5 BP |
819 | table_add_cell(&t)->text = xstrdup(column->name); |
820 | table_add_cell(&t)->json = ovsdb_type_to_json(&column->type); | |
d0632593 BP |
821 | } |
822 | } | |
823 | } | |
824 | ovsdb_schema_destroy(schema); | |
3a3eb9da | 825 | table_print(&t, &table_style); |
af65491d | 826 | table_destroy(&t); |
d0632593 BP |
827 | } |
828 | ||
53178986 BP |
829 | static void |
830 | send_db_change_aware(struct jsonrpc *rpc) | |
831 | { | |
832 | if (db_change_aware != 0) { | |
833 | struct jsonrpc_msg *request = jsonrpc_create_request( | |
834 | "set_db_change_aware", | |
835 | json_array_create_1(json_boolean_create(true)), | |
836 | NULL); | |
837 | struct jsonrpc_msg *reply; | |
838 | int error = jsonrpc_transact_block(rpc, request, &reply); | |
839 | if (error) { | |
840 | ovs_fatal(error, "%s: error setting db_change_aware", | |
841 | jsonrpc_get_name(rpc)); | |
842 | } | |
843 | if (reply->type == JSONRPC_ERROR && db_change_aware == 1) { | |
844 | ovs_fatal(0, "%s: set_db_change_aware failed (%s)", | |
845 | jsonrpc_get_name(rpc), json_to_string(reply->error, 0)); | |
846 | } | |
847 | jsonrpc_msg_destroy(reply); | |
848 | } | |
849 | } | |
850 | ||
838f9c31 | 851 | static struct json * |
1b1d2e6d | 852 | do_transact__(int argc, char *argv[], struct json *transaction) |
6d65eee8 BP |
853 | { |
854 | struct jsonrpc_msg *request, *reply; | |
1b1d2e6d | 855 | if (transaction->type != JSON_ARRAY |
fa37affa BP |
856 | || !transaction->array.n |
857 | || transaction->array.elems[0]->type != JSON_STRING) { | |
1b1d2e6d BP |
858 | ovs_fatal(0, "not a valid OVSDB query"); |
859 | } | |
fa37affa | 860 | const char *db_name = json_string(transaction->array.elems[0]); |
1b1d2e6d BP |
861 | |
862 | struct jsonrpc *rpc; | |
863 | char *database = CONST_CAST(char *, db_name); | |
864 | open_rpc(1, NEED_DATABASE, argc, argv, &rpc, &database); | |
6d65eee8 | 865 | |
53178986 BP |
866 | if (db_change_aware == 1) { |
867 | send_db_change_aware(rpc); | |
868 | } | |
869 | daemon_save_fd(STDOUT_FILENO); | |
870 | daemon_save_fd(STDERR_FILENO); | |
871 | daemonize(); | |
872 | ||
20bed8be | 873 | request = jsonrpc_create_request("transact", transaction, NULL); |
d35f8e72 | 874 | check_txn(jsonrpc_transact_block(rpc, request, &reply), &reply); |
838f9c31 | 875 | struct json *result = json_clone(reply->result); |
6d65eee8 | 876 | jsonrpc_msg_destroy(reply); |
1b1d2e6d | 877 | jsonrpc_close(rpc); |
838f9c31 BP |
878 | |
879 | return result; | |
880 | } | |
881 | ||
882 | static void | |
1b1d2e6d BP |
883 | do_transact(struct jsonrpc *rpc OVS_UNUSED, const char *database OVS_UNUSED, |
884 | int argc, char *argv[]) | |
838f9c31 | 885 | { |
1b1d2e6d | 886 | print_and_free_json(do_transact__(argc, argv, parse_json(argv[argc - 1]))); |
838f9c31 BP |
887 | } |
888 | ||
889 | static void | |
1b1d2e6d BP |
890 | do_query(struct jsonrpc *rpc OVS_UNUSED, const char *database OVS_UNUSED, |
891 | int argc, char *argv[]) | |
838f9c31 | 892 | { |
1b1d2e6d | 893 | struct json *transaction = parse_json(argv[argc - 1]); |
838f9c31 BP |
894 | |
895 | if (transaction->type != JSON_ARRAY) { | |
896 | ovs_fatal(0, "not a valid OVSDB query"); | |
897 | } | |
898 | ||
899 | /* Append an "abort" operation to the query. */ | |
900 | struct json *abort_op = json_object_create(); | |
901 | json_object_put_string(abort_op, "op", "abort"); | |
902 | json_array_add(transaction, abort_op); | |
fa37affa | 903 | size_t abort_idx = transaction->array.n - 2; |
838f9c31 BP |
904 | |
905 | /* Run query. */ | |
1b1d2e6d | 906 | struct json *result = do_transact__(argc, argv, transaction); |
838f9c31 BP |
907 | |
908 | /* If the "abort" operation ended the transaction, remove its result. */ | |
909 | if (result->type == JSON_ARRAY | |
fa37affa BP |
910 | && result->array.n == abort_idx + 1 |
911 | && result->array.elems[abort_idx]->type == JSON_OBJECT) { | |
912 | struct json *op_result = result->array.elems[abort_idx]; | |
838f9c31 BP |
913 | struct json *error = shash_find_data(json_object(op_result), "error"); |
914 | if (error | |
915 | && error->type == JSON_STRING | |
916 | && !strcmp(json_string(error), "aborted")) { | |
fa37affa | 917 | result->array.n--; |
838f9c31 BP |
918 | json_destroy(op_result); |
919 | } | |
920 | } | |
921 | ||
922 | /* Print the result. */ | |
923 | print_and_free_json(result); | |
6d65eee8 | 924 | } |
4227b221 BP |
925 | \f |
926 | /* "monitor" command. */ | |
927 | ||
928 | struct monitored_table { | |
929 | struct ovsdb_table_schema *table; | |
930 | struct ovsdb_column_set columns; | |
931 | }; | |
6d65eee8 | 932 | |
a8425c53 BP |
933 | static void |
934 | monitor_print_row(struct json *row, const char *type, const char *uuid, | |
935 | const struct ovsdb_column_set *columns, struct table *t) | |
936 | { | |
937 | size_t i; | |
938 | ||
939 | if (!row) { | |
940 | ovs_error(0, "missing %s row", type); | |
941 | return; | |
942 | } else if (row->type != JSON_OBJECT) { | |
943 | ovs_error(0, "<row> is not object"); | |
944 | return; | |
945 | } | |
946 | ||
947 | table_add_row(t); | |
772387d5 BP |
948 | table_add_cell(t)->text = xstrdup(uuid); |
949 | table_add_cell(t)->text = xstrdup(type); | |
a8425c53 BP |
950 | for (i = 0; i < columns->n_columns; i++) { |
951 | const struct ovsdb_column *column = columns->columns[i]; | |
952 | struct json *value = shash_find_data(json_object(row), column->name); | |
772387d5 | 953 | struct cell *cell = table_add_cell(t); |
a8425c53 | 954 | if (value) { |
772387d5 BP |
955 | cell->json = json_clone(value); |
956 | cell->type = &column->type; | |
a8425c53 BP |
957 | } |
958 | } | |
959 | } | |
960 | ||
961 | static void | |
4227b221 BP |
962 | monitor_print_table(struct json *table_update, |
963 | const struct monitored_table *mt, char *caption, | |
964 | bool initial) | |
a8425c53 | 965 | { |
4227b221 BP |
966 | const struct ovsdb_table_schema *table = mt->table; |
967 | const struct ovsdb_column_set *columns = &mt->columns; | |
a8425c53 BP |
968 | struct shash_node *node; |
969 | struct table t; | |
970 | size_t i; | |
971 | ||
a8425c53 | 972 | if (table_update->type != JSON_OBJECT) { |
4227b221 | 973 | ovs_error(0, "<table-update> for table %s is not object", table->name); |
a8425c53 BP |
974 | return; |
975 | } | |
976 | ||
4227b221 BP |
977 | table_init(&t); |
978 | table_set_timestamp(&t, timestamp); | |
979 | table_set_caption(&t, caption); | |
980 | ||
a8425c53 BP |
981 | table_add_column(&t, "row"); |
982 | table_add_column(&t, "action"); | |
983 | for (i = 0; i < columns->n_columns; i++) { | |
984 | table_add_column(&t, "%s", columns->columns[i]->name); | |
985 | } | |
986 | SHASH_FOR_EACH (node, json_object(table_update)) { | |
987 | struct json *row_update = node->data; | |
988 | struct json *old, *new; | |
989 | ||
990 | if (row_update->type != JSON_OBJECT) { | |
991 | ovs_error(0, "<row-update> is not object"); | |
992 | continue; | |
993 | } | |
994 | old = shash_find_data(json_object(row_update), "old"); | |
995 | new = shash_find_data(json_object(row_update), "new"); | |
996 | if (initial) { | |
997 | monitor_print_row(new, "initial", node->name, columns, &t); | |
998 | } else if (!old) { | |
999 | monitor_print_row(new, "insert", node->name, columns, &t); | |
1000 | } else if (!new) { | |
1001 | monitor_print_row(old, "delete", node->name, columns, &t); | |
1002 | } else { | |
1003 | monitor_print_row(old, "old", node->name, columns, &t); | |
1004 | monitor_print_row(new, "new", "", columns, &t); | |
1005 | } | |
1006 | } | |
3a3eb9da | 1007 | table_print(&t, &table_style); |
a8425c53 BP |
1008 | table_destroy(&t); |
1009 | } | |
1010 | ||
4227b221 BP |
1011 | static void |
1012 | monitor_print(struct json *table_updates, | |
1013 | const struct monitored_table *mts, size_t n_mts, | |
1014 | bool initial) | |
1015 | { | |
1016 | size_t i; | |
1017 | ||
1018 | if (table_updates->type != JSON_OBJECT) { | |
1019 | ovs_error(0, "<table-updates> is not object"); | |
1020 | return; | |
1021 | } | |
1022 | ||
1023 | for (i = 0; i < n_mts; i++) { | |
1024 | const struct monitored_table *mt = &mts[i]; | |
1025 | struct json *table_update = shash_find_data(json_object(table_updates), | |
1026 | mt->table->name); | |
1027 | if (table_update) { | |
1028 | monitor_print_table(table_update, mt, | |
1029 | n_mts > 1 ? xstrdup(mt->table->name) : NULL, | |
1030 | initial); | |
1031 | } | |
1032 | } | |
1033 | } | |
1034 | ||
85226894 AZ |
1035 | static void |
1036 | monitor2_print_row(struct json *row, const char *type, const char *uuid, | |
1037 | const struct ovsdb_column_set *columns, struct table *t) | |
1038 | { | |
1039 | if (!strcmp(type, "delete")) { | |
1040 | if (row->type != JSON_NULL) { | |
1041 | ovs_error(0, "delete method does not expect <row>"); | |
1042 | return; | |
1043 | } | |
1044 | ||
1045 | table_add_row(t); | |
1046 | table_add_cell(t)->text = xstrdup(uuid); | |
1047 | table_add_cell(t)->text = xstrdup(type); | |
1048 | } else { | |
1049 | if (!row || row->type != JSON_OBJECT) { | |
1050 | ovs_error(0, "<row> is not object"); | |
1051 | return; | |
1052 | } | |
1053 | monitor_print_row(row, type, uuid, columns, t); | |
1054 | } | |
1055 | } | |
1056 | ||
1057 | static void | |
1058 | monitor2_print_table(struct json *table_update2, | |
1059 | const struct monitored_table *mt, char *caption) | |
1060 | { | |
1061 | const struct ovsdb_table_schema *table = mt->table; | |
1062 | const struct ovsdb_column_set *columns = &mt->columns; | |
1063 | struct shash_node *node; | |
1064 | struct table t; | |
85226894 AZ |
1065 | |
1066 | if (table_update2->type != JSON_OBJECT) { | |
1067 | ovs_error(0, "<table-update> for table %s is not object", table->name); | |
1068 | return; | |
1069 | } | |
1070 | ||
1071 | table_init(&t); | |
1072 | table_set_timestamp(&t, timestamp); | |
1073 | table_set_caption(&t, caption); | |
1074 | ||
1075 | table_add_column(&t, "row"); | |
1076 | table_add_column(&t, "action"); | |
17573cf1 | 1077 | for (size_t i = 0; i < columns->n_columns; i++) { |
85226894 AZ |
1078 | table_add_column(&t, "%s", columns->columns[i]->name); |
1079 | } | |
1080 | SHASH_FOR_EACH (node, json_object(table_update2)) { | |
1081 | struct json *row_update2 = node->data; | |
1082 | const char *operation; | |
1083 | struct json *row; | |
1084 | const char *ops[] = {"delete", "initial", "modify", "insert"}; | |
1085 | ||
1086 | if (row_update2->type != JSON_OBJECT) { | |
1087 | ovs_error(0, "<row-update2> is not object"); | |
1088 | continue; | |
1089 | } | |
1090 | ||
1091 | /* row_update2 contains one of objects indexed by ops[] */ | |
1092 | for (int i = 0; i < ARRAY_SIZE(ops); i++) { | |
1093 | operation = ops[i]; | |
1094 | row = shash_find_data(json_object(row_update2), operation); | |
1095 | ||
1096 | if (row) { | |
1097 | monitor2_print_row(row, operation, node->name, columns, &t); | |
1098 | break; | |
1099 | } | |
1100 | } | |
1101 | } | |
1102 | table_print(&t, &table_style); | |
1103 | table_destroy(&t); | |
1104 | } | |
1105 | ||
1106 | static void | |
1107 | monitor2_print(struct json *table_updates2, | |
1108 | const struct monitored_table *mts, size_t n_mts) | |
1109 | { | |
1110 | size_t i; | |
1111 | ||
1112 | if (table_updates2->type != JSON_OBJECT) { | |
1113 | ovs_error(0, "<table-updates2> is not object"); | |
1114 | return; | |
1115 | } | |
1116 | ||
1117 | for (i = 0; i < n_mts; i++) { | |
1118 | const struct monitored_table *mt = &mts[i]; | |
1119 | struct json *table_update = shash_find_data( | |
1120 | json_object(table_updates2), | |
1121 | mt->table->name); | |
1122 | if (table_update) { | |
1123 | monitor2_print_table(table_update, mt, | |
1124 | n_mts > 1 ? xstrdup(mt->table->name) : NULL); | |
1125 | } | |
1126 | } | |
1127 | } | |
1128 | ||
a8425c53 | 1129 | static void |
20aa445d BP |
1130 | add_column(const char *server, const struct ovsdb_column *column, |
1131 | struct ovsdb_column_set *columns, struct json *columns_json) | |
a8425c53 | 1132 | { |
20aa445d BP |
1133 | if (ovsdb_column_set_contains(columns, column->index)) { |
1134 | ovs_fatal(0, "%s: column \"%s\" mentioned multiple times", | |
1135 | server, column->name); | |
a8425c53 | 1136 | } |
20aa445d BP |
1137 | ovsdb_column_set_add(columns, column); |
1138 | json_array_add(columns_json, json_string_create(column->name)); | |
1139 | } | |
a8425c53 | 1140 | |
20aa445d BP |
1141 | static struct json * |
1142 | parse_monitor_columns(char *arg, const char *server, const char *database, | |
1143 | const struct ovsdb_table_schema *table, | |
1144 | struct ovsdb_column_set *columns) | |
1145 | { | |
1146 | bool initial, insert, delete, modify; | |
1147 | struct json *mr, *columns_json; | |
1148 | char *save_ptr = NULL; | |
1149 | char *token; | |
1150 | ||
1151 | mr = json_object_create(); | |
1152 | columns_json = json_array_create_empty(); | |
1153 | json_object_put(mr, "columns", columns_json); | |
1154 | ||
1155 | initial = insert = delete = modify = true; | |
1156 | for (token = strtok_r(arg, ",", &save_ptr); token != NULL; | |
1157 | token = strtok_r(NULL, ",", &save_ptr)) { | |
1158 | if (!strcmp(token, "!initial")) { | |
1159 | initial = false; | |
1160 | } else if (!strcmp(token, "!insert")) { | |
1161 | insert = false; | |
1162 | } else if (!strcmp(token, "!delete")) { | |
1163 | delete = false; | |
1164 | } else if (!strcmp(token, "!modify")) { | |
1165 | modify = false; | |
1166 | } else { | |
a8425c53 | 1167 | const struct ovsdb_column *column; |
20aa445d | 1168 | |
a8425c53 BP |
1169 | column = ovsdb_table_schema_get_column(table, token); |
1170 | if (!column) { | |
9cb53f26 BP |
1171 | ovs_fatal(0, "%s: table \"%s\" in %s does not have a " |
1172 | "column named \"%s\"", | |
20aa445d | 1173 | server, table->name, database, token); |
a8425c53 | 1174 | } |
20aa445d | 1175 | add_column(server, column, columns, columns_json); |
a8425c53 | 1176 | } |
20aa445d BP |
1177 | } |
1178 | ||
fa37affa | 1179 | if (columns_json->array.n == 0) { |
a1ae5dc8 BP |
1180 | const struct shash_node **nodes; |
1181 | size_t i, n; | |
1182 | ||
1183 | n = shash_count(&table->columns); | |
1184 | nodes = shash_sort(&table->columns); | |
1185 | for (i = 0; i < n; i++) { | |
1186 | const struct ovsdb_column *column = nodes[i]->data; | |
1187 | if (column->index != OVSDB_COL_UUID | |
1188 | && column->index != OVSDB_COL_VERSION) { | |
20aa445d | 1189 | add_column(server, column, columns, columns_json); |
a8425c53 BP |
1190 | } |
1191 | } | |
a1ae5dc8 BP |
1192 | free(nodes); |
1193 | ||
4227b221 | 1194 | add_column(server, ovsdb_table_schema_get_column(table, "_version"), |
20aa445d | 1195 | columns, columns_json); |
a8425c53 BP |
1196 | } |
1197 | ||
20aa445d BP |
1198 | if (!initial || !insert || !delete || !modify) { |
1199 | struct json *select = json_object_create(); | |
876ba6de BP |
1200 | json_object_put(select, "initial", json_boolean_create(initial)); |
1201 | json_object_put(select, "insert", json_boolean_create(insert)); | |
1202 | json_object_put(select, "delete", json_boolean_create(delete)); | |
1203 | json_object_put(select, "modify", json_boolean_create(modify)); | |
20aa445d BP |
1204 | json_object_put(mr, "select", select); |
1205 | } | |
1206 | ||
1207 | return mr; | |
1208 | } | |
1209 | ||
1210 | static void | |
4227b221 BP |
1211 | ovsdb_client_exit(struct unixctl_conn *conn, int argc OVS_UNUSED, |
1212 | const char *argv[] OVS_UNUSED, void *exiting_) | |
20aa445d | 1213 | { |
4227b221 BP |
1214 | bool *exiting = exiting_; |
1215 | *exiting = true; | |
1216 | unixctl_command_reply(conn, NULL); | |
1217 | } | |
20aa445d | 1218 | |
4227b221 BP |
1219 | static void |
1220 | ovsdb_client_block(struct unixctl_conn *conn, int argc OVS_UNUSED, | |
1221 | const char *argv[] OVS_UNUSED, void *blocked_) | |
1222 | { | |
1223 | bool *blocked = blocked_; | |
1224 | ||
1225 | if (!*blocked) { | |
1226 | *blocked = true; | |
1227 | unixctl_command_reply(conn, NULL); | |
1228 | } else { | |
1229 | unixctl_command_reply(conn, "already blocking"); | |
a8425c53 | 1230 | } |
4227b221 BP |
1231 | } |
1232 | ||
1233 | static void | |
1234 | ovsdb_client_unblock(struct unixctl_conn *conn, int argc OVS_UNUSED, | |
1235 | const char *argv[] OVS_UNUSED, void *blocked_) | |
1236 | { | |
1237 | bool *blocked = blocked_; | |
1238 | ||
1239 | if (*blocked) { | |
1240 | *blocked = false; | |
1241 | unixctl_command_reply(conn, NULL); | |
1242 | } else { | |
1243 | unixctl_command_reply(conn, "already unblocked"); | |
1244 | } | |
1245 | } | |
1246 | ||
c383f3bf LS |
1247 | static void |
1248 | ovsdb_client_cond_change(struct unixctl_conn *conn, int argc OVS_UNUSED, | |
1249 | const char *argv[], void *rpc_) | |
1250 | { | |
1251 | struct jsonrpc *rpc = rpc_; | |
1252 | struct json *monitor_cond_update_requests = json_object_create(); | |
1253 | struct json *monitor_cond_update_request = json_object_create(); | |
1254 | struct json *params; | |
1255 | struct jsonrpc_msg *request; | |
1256 | ||
1257 | json_object_put(monitor_cond_update_request, "where", | |
1258 | json_from_string(argv[2])); | |
1259 | json_object_put(monitor_cond_update_requests, | |
1260 | argv[1], | |
1261 | json_array_create_1(monitor_cond_update_request)); | |
1262 | ||
1263 | params = json_array_create_3(json_null_create(),json_null_create(), | |
1264 | monitor_cond_update_requests); | |
1265 | ||
1266 | request = jsonrpc_create_request("monitor_cond_change", params, NULL); | |
1267 | jsonrpc_send(rpc, request); | |
1268 | ||
1269 | VLOG_DBG("cond change %s %s", argv[1], argv[2]); | |
1270 | unixctl_command_reply(conn, "condiiton changed"); | |
1271 | } | |
1272 | ||
4227b221 BP |
1273 | static void |
1274 | add_monitored_table(int argc, char *argv[], | |
1275 | const char *server, const char *database, | |
c383f3bf | 1276 | struct json *condition, |
4227b221 BP |
1277 | struct ovsdb_table_schema *table, |
1278 | struct json *monitor_requests, | |
1279 | struct monitored_table **mts, | |
1280 | size_t *n_mts, size_t *allocated_mts) | |
1281 | { | |
c383f3bf | 1282 | struct json *monitor_request_array, *mr; |
4227b221 BP |
1283 | struct monitored_table *mt; |
1284 | ||
1285 | if (*n_mts >= *allocated_mts) { | |
1286 | *mts = x2nrealloc(*mts, allocated_mts, sizeof **mts); | |
1287 | } | |
1288 | mt = &(*mts)[(*n_mts)++]; | |
1289 | mt->table = table; | |
1290 | ovsdb_column_set_init(&mt->columns); | |
a8425c53 | 1291 | |
20aa445d | 1292 | monitor_request_array = json_array_create_empty(); |
53ffefe9 | 1293 | if (argc > 1) { |
20aa445d BP |
1294 | int i; |
1295 | ||
53ffefe9 | 1296 | for (i = 1; i < argc; i++) { |
c383f3bf LS |
1297 | mr = parse_monitor_columns(argv[i], server, database, table, |
1298 | &mt->columns); | |
1299 | if (i == 1 && condition) { | |
1300 | json_object_put(mr, "where", condition); | |
1301 | } | |
1302 | json_array_add(monitor_request_array, mr); | |
20aa445d BP |
1303 | } |
1304 | } else { | |
4227b221 BP |
1305 | /* Allocate a writable empty string since parse_monitor_columns() |
1306 | * is going to strtok() it and that's risky with literal "". */ | |
20aa445d | 1307 | char empty[] = ""; |
c383f3bf LS |
1308 | |
1309 | mr = parse_monitor_columns(empty, server, database, | |
1310 | table, &mt->columns); | |
1311 | if (condition) { | |
1312 | json_object_put(mr, "where", condition); | |
1313 | } | |
1314 | json_array_add(monitor_request_array, mr); | |
4227b221 BP |
1315 | } |
1316 | ||
1317 | json_object_put(monitor_requests, table->name, monitor_request_array); | |
1318 | } | |
1319 | ||
12f554b0 WT |
1320 | static void |
1321 | destroy_monitored_table(struct monitored_table *mts, size_t n) | |
1322 | { | |
1323 | int i; | |
1324 | ||
1325 | for (i = 0; i < n; i++) { | |
1326 | struct monitored_table *mt = &mts[i]; | |
1327 | ovsdb_column_set_destroy(&mt->columns); | |
1328 | } | |
1329 | ||
1330 | free(mts); | |
1331 | } | |
1332 | ||
4227b221 | 1333 | static void |
85226894 AZ |
1334 | do_monitor__(struct jsonrpc *rpc, const char *database, |
1335 | enum ovsdb_monitor_version version, | |
c383f3bf | 1336 | int argc, char *argv[], struct json *condition) |
4227b221 BP |
1337 | { |
1338 | const char *server = jsonrpc_get_name(rpc); | |
1339 | const char *table_name = argv[0]; | |
1340 | struct unixctl_server *unixctl; | |
1341 | struct ovsdb_schema *schema; | |
4227b221 BP |
1342 | struct json *monitor, *monitor_requests, *request_id; |
1343 | bool exiting = false; | |
1344 | bool blocked = false; | |
1345 | ||
1346 | struct monitored_table *mts; | |
1347 | size_t n_mts, allocated_mts; | |
1348 | ||
85226894 AZ |
1349 | ovs_assert(version < OVSDB_MONITOR_VERSION_MAX); |
1350 | ||
4227b221 | 1351 | daemon_save_fd(STDOUT_FILENO); |
53178986 | 1352 | daemon_save_fd(STDERR_FILENO); |
e91b927d | 1353 | daemonize_start(false); |
4227b221 BP |
1354 | if (get_detach()) { |
1355 | int error; | |
1356 | ||
1357 | error = unixctl_server_create(NULL, &unixctl); | |
1358 | if (error) { | |
1359 | ovs_fatal(error, "failed to create unixctl server"); | |
1360 | } | |
1361 | ||
1362 | unixctl_command_register("exit", "", 0, 0, | |
1363 | ovsdb_client_exit, &exiting); | |
1364 | unixctl_command_register("ovsdb-client/block", "", 0, 0, | |
1365 | ovsdb_client_block, &blocked); | |
1366 | unixctl_command_register("ovsdb-client/unblock", "", 0, 0, | |
1367 | ovsdb_client_unblock, &blocked); | |
c383f3bf LS |
1368 | unixctl_command_register("ovsdb-client/cond_change", "TABLE COND", 2, 2, |
1369 | ovsdb_client_cond_change, rpc); | |
4227b221 BP |
1370 | } else { |
1371 | unixctl = NULL; | |
a8425c53 BP |
1372 | } |
1373 | ||
4227b221 BP |
1374 | schema = fetch_schema(rpc, database); |
1375 | ||
a8425c53 | 1376 | monitor_requests = json_object_create(); |
4227b221 BP |
1377 | |
1378 | mts = NULL; | |
1379 | n_mts = allocated_mts = 0; | |
1380 | if (strcmp(table_name, "ALL")) { | |
1381 | struct ovsdb_table_schema *table; | |
1382 | ||
1383 | table = shash_find_data(&schema->tables, table_name); | |
1384 | if (!table) { | |
1385 | ovs_fatal(0, "%s: %s does not have a table named \"%s\"", | |
1386 | server, database, table_name); | |
1387 | } | |
1388 | ||
c383f3bf | 1389 | add_monitored_table(argc, argv, server, database, condition, table, |
4227b221 BP |
1390 | monitor_requests, &mts, &n_mts, &allocated_mts); |
1391 | } else { | |
1392 | size_t n = shash_count(&schema->tables); | |
1393 | const struct shash_node **nodes = shash_sort(&schema->tables); | |
1394 | size_t i; | |
1395 | ||
c383f3bf LS |
1396 | if (condition) { |
1397 | ovs_fatal(0, "ALL tables are not allowed with condition"); | |
1398 | } | |
1399 | ||
4227b221 BP |
1400 | for (i = 0; i < n; i++) { |
1401 | struct ovsdb_table_schema *table = nodes[i]->data; | |
1402 | ||
c383f3bf | 1403 | add_monitored_table(argc, argv, server, database, NULL, table, |
4227b221 BP |
1404 | monitor_requests, |
1405 | &mts, &n_mts, &allocated_mts); | |
1406 | } | |
1407 | free(nodes); | |
1408 | } | |
a8425c53 | 1409 | |
53178986 | 1410 | send_db_change_aware(rpc); |
10621d79 | 1411 | |
9cb53f26 BP |
1412 | monitor = json_array_create_3(json_string_create(database), |
1413 | json_null_create(), monitor_requests); | |
c383f3bf | 1414 | const char *method = version == OVSDB_MONITOR_V2 ? "monitor_cond" |
85226894 AZ |
1415 | : "monitor"; |
1416 | ||
10621d79 | 1417 | struct jsonrpc_msg *request; |
85226894 | 1418 | request = jsonrpc_create_request(method, monitor, NULL); |
a8425c53 BP |
1419 | request_id = json_clone(request->id); |
1420 | jsonrpc_send(rpc, request); | |
a8425c53 | 1421 | |
4227b221 BP |
1422 | for (;;) { |
1423 | unixctl_server_run(unixctl); | |
1424 | while (!blocked) { | |
1425 | struct jsonrpc_msg *msg; | |
1426 | int error; | |
1427 | ||
1428 | error = jsonrpc_recv(rpc, &msg); | |
1429 | if (error == EAGAIN) { | |
1430 | break; | |
1431 | } else if (error) { | |
1432 | ovs_fatal(error, "%s: receive failed", server); | |
eb8d3ed6 | 1433 | } |
4227b221 BP |
1434 | |
1435 | if (msg->type == JSONRPC_REQUEST && !strcmp(msg->method, "echo")) { | |
1436 | jsonrpc_send(rpc, jsonrpc_create_reply(json_clone(msg->params), | |
1437 | msg->id)); | |
1438 | } else if (msg->type == JSONRPC_REPLY | |
1439 | && json_equal(msg->id, request_id)) { | |
85226894 AZ |
1440 | switch(version) { |
1441 | case OVSDB_MONITOR_V1: | |
1442 | monitor_print(msg->result, mts, n_mts, true); | |
1443 | break; | |
1444 | case OVSDB_MONITOR_V2: | |
1445 | monitor2_print(msg->result, mts, n_mts); | |
1446 | break; | |
1447 | case OVSDB_MONITOR_VERSION_MAX: | |
1448 | default: | |
1449 | OVS_NOT_REACHED(); | |
1450 | } | |
3f262d7d | 1451 | fflush(stdout); |
4227b221 BP |
1452 | daemonize_complete(); |
1453 | } else if (msg->type == JSONRPC_NOTIFY | |
1454 | && !strcmp(msg->method, "update")) { | |
1455 | struct json *params = msg->params; | |
1456 | if (params->type == JSON_ARRAY | |
fa37affa BP |
1457 | && params->array.n == 2 |
1458 | && params->array.elems[0]->type == JSON_NULL) { | |
1459 | monitor_print(params->array.elems[1], mts, n_mts, false); | |
4227b221 BP |
1460 | fflush(stdout); |
1461 | } | |
85226894 AZ |
1462 | } else if (msg->type == JSONRPC_NOTIFY |
1463 | && version == OVSDB_MONITOR_V2 | |
1464 | && !strcmp(msg->method, "update2")) { | |
1465 | struct json *params = msg->params; | |
1466 | if (params->type == JSON_ARRAY | |
fa37affa BP |
1467 | && params->array.n == 2 |
1468 | && params->array.elems[0]->type == JSON_NULL) { | |
1469 | monitor2_print(params->array.elems[1], mts, n_mts); | |
85226894 AZ |
1470 | fflush(stdout); |
1471 | } | |
53178986 BP |
1472 | } else if (msg->type == JSONRPC_NOTIFY |
1473 | && !strcmp(msg->method, "monitor_canceled")) { | |
1474 | ovs_fatal(0, "%s: %s database was removed", | |
1475 | server, database); | |
a8425c53 | 1476 | } |
4227b221 BP |
1477 | jsonrpc_msg_destroy(msg); |
1478 | } | |
1479 | ||
1480 | if (exiting) { | |
1481 | break; | |
1482 | } | |
1483 | ||
1484 | jsonrpc_run(rpc); | |
1485 | jsonrpc_wait(rpc); | |
1486 | if (!blocked) { | |
1487 | jsonrpc_recv_wait(rpc); | |
a8425c53 | 1488 | } |
4227b221 BP |
1489 | unixctl_server_wait(unixctl); |
1490 | poll_block(); | |
a8425c53 | 1491 | } |
c7edc921 WT |
1492 | |
1493 | json_destroy(request_id); | |
1494 | unixctl_server_destroy(unixctl); | |
0ea4fd89 | 1495 | ovsdb_schema_destroy(schema); |
12f554b0 | 1496 | destroy_monitored_table(mts, n_mts); |
a8425c53 BP |
1497 | } |
1498 | ||
85226894 AZ |
1499 | static void |
1500 | do_monitor(struct jsonrpc *rpc, const char *database, | |
1501 | int argc, char *argv[]) | |
1502 | { | |
c383f3bf | 1503 | do_monitor__(rpc, database, OVSDB_MONITOR_V1, argc, argv, NULL); |
85226894 AZ |
1504 | } |
1505 | ||
1506 | static void | |
c383f3bf | 1507 | do_monitor_cond(struct jsonrpc *rpc, const char *database, |
85226894 AZ |
1508 | int argc, char *argv[]) |
1509 | { | |
c383f3bf LS |
1510 | struct ovsdb_condition cnd; |
1511 | struct json *condition = NULL; | |
1512 | struct ovsdb_schema *schema; | |
1513 | struct ovsdb_table_schema *table; | |
1514 | const char *table_name = argv[1]; | |
1515 | ||
1516 | ovs_assert(argc > 1); | |
1517 | schema = fetch_schema(rpc, database); | |
1518 | table = shash_find_data(&schema->tables, table_name); | |
1519 | if (!table) { | |
1520 | ovs_fatal(0, "%s does not have a table named \"%s\"", | |
1521 | database, table_name); | |
1522 | } | |
1523 | condition = parse_json(argv[0]); | |
1524 | check_ovsdb_error(ovsdb_condition_from_json(table, condition, | |
1525 | NULL, &cnd)); | |
1526 | ovsdb_condition_destroy(&cnd); | |
1527 | do_monitor__(rpc, database, OVSDB_MONITOR_V2, --argc, ++argv, condition); | |
9b2cc0c3 | 1528 | ovsdb_schema_destroy(schema); |
85226894 AZ |
1529 | } |
1530 | ||
1b1d2e6d BP |
1531 | static bool |
1532 | is_database_clustered(struct jsonrpc *rpc, const char *database) | |
1533 | { | |
1534 | struct jsonrpc_msg *reply; | |
1535 | check_txn(jsonrpc_transact_block(rpc, | |
1536 | create_database_info_request(database), | |
1537 | &reply), &reply); | |
1538 | ||
1539 | const struct json *row = parse_database_info_reply( | |
1540 | reply, jsonrpc_get_name(rpc), database, NULL); | |
1541 | return !strcmp(parse_string_column(row, "model"), "clustered"); | |
1542 | } | |
1543 | ||
53178986 | 1544 | static void |
1b1d2e6d BP |
1545 | do_convert(struct jsonrpc *rpc, const char *database_ OVS_UNUSED, |
1546 | int argc, char *argv[]) | |
53178986 | 1547 | { |
1b1d2e6d | 1548 | const char *schema_file_name = argv[argc - 1]; |
53178986 | 1549 | struct ovsdb_schema *new_schema; |
1b1d2e6d BP |
1550 | check_ovsdb_error(ovsdb_schema_from_file(schema_file_name, &new_schema)); |
1551 | ||
1552 | char *database = new_schema->name; | |
1553 | open_rpc(1, NEED_DATABASE, argc, argv, &rpc, &database); | |
1554 | ||
1555 | if (is_database_clustered(rpc, database)) { | |
1556 | ovsdb_schema_persist_ephemeral_columns(new_schema, schema_file_name); | |
1557 | } | |
1558 | ||
1559 | send_db_change_aware(rpc); | |
53178986 BP |
1560 | |
1561 | struct jsonrpc_msg *request, *reply; | |
1562 | request = jsonrpc_create_request( | |
1563 | "convert", | |
1564 | json_array_create_2(json_string_create(new_schema->name), | |
1565 | ovsdb_schema_to_json(new_schema)), NULL); | |
1566 | check_txn(jsonrpc_transact_block(rpc, request, &reply), &reply); | |
1567 | jsonrpc_msg_destroy(reply); | |
1568 | } | |
1569 | ||
1570 | static void | |
1b1d2e6d | 1571 | do_needs_conversion(struct jsonrpc *rpc, const char *database_ OVS_UNUSED, |
53178986 BP |
1572 | int argc OVS_UNUSED, char *argv[]) |
1573 | { | |
1574 | struct ovsdb_schema *schema1; | |
1575 | check_ovsdb_error(ovsdb_schema_from_file(argv[0], &schema1)); | |
1576 | ||
1b1d2e6d BP |
1577 | char *database = schema1->name; |
1578 | open_rpc(1, NEED_DATABASE, argc, argv, &rpc, &database); | |
1579 | ||
1580 | if (is_database_clustered(rpc, database)) { | |
1581 | ovsdb_schema_persist_ephemeral_columns(schema1, argv[0]); | |
1582 | } | |
1583 | ||
53178986 BP |
1584 | struct ovsdb_schema *schema2 = fetch_schema(rpc, schema1->name); |
1585 | puts(ovsdb_schema_equal(schema1, schema2) ? "no" : "yes"); | |
1586 | ovsdb_schema_destroy(schema1); | |
1587 | ovsdb_schema_destroy(schema2); | |
1588 | } | |
1589 | ||
25c269ef BP |
1590 | struct dump_table_aux { |
1591 | struct ovsdb_datum **data; | |
1592 | const struct ovsdb_column **columns; | |
1593 | size_t n_columns; | |
1594 | }; | |
1595 | ||
1596 | static int | |
1597 | compare_data(size_t a_y, size_t b_y, size_t x, | |
1598 | const struct dump_table_aux *aux) | |
1599 | { | |
1600 | return ovsdb_datum_compare_3way(&aux->data[a_y][x], | |
1601 | &aux->data[b_y][x], | |
1602 | &aux->columns[x]->type); | |
1603 | } | |
1604 | ||
1605 | static int | |
1606 | compare_rows(size_t a_y, size_t b_y, void *aux_) | |
1607 | { | |
1608 | struct dump_table_aux *aux = aux_; | |
1609 | size_t x; | |
1610 | ||
1611 | /* Skip UUID columns on the first pass, since their values tend to be | |
1612 | * random and make our results less reproducible. */ | |
1613 | for (x = 0; x < aux->n_columns; x++) { | |
1614 | if (aux->columns[x]->type.key.type != OVSDB_TYPE_UUID) { | |
1615 | int cmp = compare_data(a_y, b_y, x, aux); | |
1616 | if (cmp) { | |
1617 | return cmp; | |
1618 | } | |
1619 | } | |
1620 | } | |
1621 | ||
1622 | /* Use UUID columns as tie-breakers. */ | |
1623 | for (x = 0; x < aux->n_columns; x++) { | |
1624 | if (aux->columns[x]->type.key.type == OVSDB_TYPE_UUID) { | |
1625 | int cmp = compare_data(a_y, b_y, x, aux); | |
1626 | if (cmp) { | |
1627 | return cmp; | |
1628 | } | |
1629 | } | |
1630 | } | |
1631 | ||
1632 | return 0; | |
1633 | } | |
1634 | ||
1635 | static void | |
1636 | swap_rows(size_t a_y, size_t b_y, void *aux_) | |
1637 | { | |
1638 | struct dump_table_aux *aux = aux_; | |
1639 | struct ovsdb_datum *tmp = aux->data[a_y]; | |
1640 | aux->data[a_y] = aux->data[b_y]; | |
1641 | aux->data[b_y] = tmp; | |
1642 | } | |
1643 | ||
25c269ef BP |
1644 | static int |
1645 | compare_columns(const void *a_, const void *b_) | |
1646 | { | |
1647 | const struct ovsdb_column *const *ap = a_; | |
1648 | const struct ovsdb_column *const *bp = b_; | |
1649 | const struct ovsdb_column *a = *ap; | |
1650 | const struct ovsdb_column *b = *bp; | |
1651 | ||
1652 | return strcmp(a->name, b->name); | |
1653 | } | |
1654 | ||
1655 | static void | |
b30aa413 BV |
1656 | dump_table(const char *table_name, const struct shash *cols, |
1657 | struct json_array *rows) | |
25c269ef BP |
1658 | { |
1659 | const struct ovsdb_column **columns; | |
1660 | size_t n_columns; | |
1661 | ||
1662 | struct ovsdb_datum **data; | |
1663 | ||
1664 | struct dump_table_aux aux; | |
1665 | struct shash_node *node; | |
1666 | struct table t; | |
1667 | size_t x, y; | |
1668 | ||
1669 | /* Sort columns by name, for reproducibility. */ | |
b30aa413 | 1670 | columns = xmalloc(shash_count(cols) * sizeof *columns); |
25c269ef | 1671 | n_columns = 0; |
b30aa413 | 1672 | SHASH_FOR_EACH (node, cols) { |
25c269ef BP |
1673 | struct ovsdb_column *column = node->data; |
1674 | if (strcmp(column->name, "_version")) { | |
1675 | columns[n_columns++] = column; | |
1676 | } | |
1677 | } | |
1678 | qsort(columns, n_columns, sizeof *columns, compare_columns); | |
1679 | ||
1680 | /* Extract data from table. */ | |
1681 | data = xmalloc(rows->n * sizeof *data); | |
1682 | for (y = 0; y < rows->n; y++) { | |
1683 | struct shash *row; | |
1684 | ||
1685 | if (rows->elems[y]->type != JSON_OBJECT) { | |
34582733 | 1686 | ovs_fatal(0, "row %"PRIuSIZE" in table %s response is not a JSON object: " |
b30aa413 | 1687 | "%s", y, table_name, json_to_string(rows->elems[y], 0)); |
25c269ef BP |
1688 | } |
1689 | row = json_object(rows->elems[y]); | |
1690 | ||
1691 | data[y] = xmalloc(n_columns * sizeof **data); | |
1692 | for (x = 0; x < n_columns; x++) { | |
1693 | const struct json *json = shash_find_data(row, columns[x]->name); | |
1694 | if (!json) { | |
34582733 | 1695 | ovs_fatal(0, "row %"PRIuSIZE" in table %s response lacks %s column", |
b30aa413 | 1696 | y, table_name, columns[x]->name); |
25c269ef BP |
1697 | } |
1698 | ||
9041097a BP |
1699 | check_ovsdb_error(ovsdb_unconstrained_datum_from_json( |
1700 | &data[y][x], &columns[x]->type, json)); | |
25c269ef BP |
1701 | } |
1702 | } | |
1703 | ||
1704 | /* Sort rows by column values, for reproducibility. */ | |
1705 | aux.data = data; | |
1706 | aux.columns = columns; | |
1707 | aux.n_columns = n_columns; | |
1708 | sort(rows->n, compare_rows, swap_rows, &aux); | |
1709 | ||
1710 | /* Add column headings. */ | |
1711 | table_init(&t); | |
b30aa413 | 1712 | table_set_caption(&t, xasprintf("%s table", table_name)); |
25c269ef BP |
1713 | for (x = 0; x < n_columns; x++) { |
1714 | table_add_column(&t, "%s", columns[x]->name); | |
1715 | } | |
1716 | ||
1717 | /* Print rows. */ | |
1718 | for (y = 0; y < rows->n; y++) { | |
1719 | table_add_row(&t); | |
1720 | for (x = 0; x < n_columns; x++) { | |
772387d5 BP |
1721 | struct cell *cell = table_add_cell(&t); |
1722 | cell->json = ovsdb_datum_to_json(&data[y][x], &columns[x]->type); | |
1723 | cell->type = &columns[x]->type; | |
e49190c4 | 1724 | ovsdb_datum_destroy(&data[y][x], &columns[x]->type); |
25c269ef | 1725 | } |
e49190c4 | 1726 | free(data[y]); |
25c269ef | 1727 | } |
3a3eb9da | 1728 | table_print(&t, &table_style); |
25c269ef | 1729 | table_destroy(&t); |
e49190c4 BP |
1730 | |
1731 | free(data); | |
1732 | free(columns); | |
25c269ef BP |
1733 | } |
1734 | ||
1735 | static void | |
53ffefe9 | 1736 | do_dump(struct jsonrpc *rpc, const char *database, |
b30aa413 | 1737 | int argc, char *argv[]) |
25c269ef | 1738 | { |
25c269ef BP |
1739 | struct jsonrpc_msg *request, *reply; |
1740 | struct ovsdb_schema *schema; | |
1741 | struct json *transaction; | |
25c269ef | 1742 | |
b30aa413 | 1743 | const struct shash_node *node, **tables; |
25c269ef | 1744 | size_t n_tables; |
b30aa413 BV |
1745 | struct ovsdb_table_schema *tschema; |
1746 | const struct shash *columns; | |
1747 | struct shash custom_columns; | |
25c269ef BP |
1748 | |
1749 | size_t i; | |
1750 | ||
b30aa413 | 1751 | shash_init(&custom_columns); |
53ffefe9 | 1752 | schema = fetch_schema(rpc, database); |
b30aa413 BV |
1753 | if (argc) { |
1754 | node = shash_find(&schema->tables, argv[0]); | |
1755 | if (!node) { | |
1756 | ovs_fatal(0, "No table \"%s\" found.", argv[0]); | |
1757 | } | |
2b03ef95 | 1758 | tables = xmemdup(&node, sizeof node); |
b30aa413 BV |
1759 | n_tables = 1; |
1760 | tschema = tables[0]->data; | |
1761 | for (i = 1; i < argc; i++) { | |
1762 | node = shash_find(&tschema->columns, argv[i]); | |
1763 | if (!node) { | |
0d5450a2 | 1764 | ovs_fatal(0, "Table \"%s\" has no column %s.", argv[0], argv[i]); |
b30aa413 | 1765 | } |
0d5450a2 | 1766 | shash_add(&custom_columns, argv[i], node->data); |
b30aa413 BV |
1767 | } |
1768 | } else { | |
1769 | tables = shash_sort(&schema->tables); | |
1770 | n_tables = shash_count(&schema->tables); | |
1771 | } | |
25c269ef BP |
1772 | |
1773 | /* Construct transaction to retrieve entire database. */ | |
1774 | transaction = json_array_create_1(json_string_create(database)); | |
1775 | for (i = 0; i < n_tables; i++) { | |
1776 | const struct ovsdb_table_schema *ts = tables[i]->data; | |
b30aa413 | 1777 | struct json *op, *jcolumns; |
25c269ef | 1778 | |
b30aa413 BV |
1779 | if (argc > 1) { |
1780 | columns = &custom_columns; | |
1781 | } else { | |
1782 | columns = &ts->columns; | |
1783 | } | |
1784 | jcolumns = json_array_create_empty(); | |
1785 | SHASH_FOR_EACH (node, columns) { | |
25c269ef BP |
1786 | const struct ovsdb_column *column = node->data; |
1787 | ||
1788 | if (strcmp(column->name, "_version")) { | |
b30aa413 | 1789 | json_array_add(jcolumns, json_string_create(column->name)); |
25c269ef BP |
1790 | } |
1791 | } | |
1792 | ||
1793 | op = json_object_create(); | |
1794 | json_object_put_string(op, "op", "select"); | |
1795 | json_object_put_string(op, "table", tables[i]->name); | |
1796 | json_object_put(op, "where", json_array_create_empty()); | |
b30aa413 | 1797 | json_object_put(op, "columns", jcolumns); |
25c269ef BP |
1798 | json_array_add(transaction, op); |
1799 | } | |
1800 | ||
1801 | /* Send request, get reply. */ | |
1802 | request = jsonrpc_create_request("transact", transaction, NULL); | |
d35f8e72 | 1803 | check_txn(jsonrpc_transact_block(rpc, request, &reply), &reply); |
25c269ef BP |
1804 | |
1805 | /* Print database contents. */ | |
1806 | if (reply->result->type != JSON_ARRAY | |
fa37affa | 1807 | || reply->result->array.n != n_tables) { |
34582733 | 1808 | ovs_fatal(0, "reply is not array of %"PRIuSIZE" elements: %s", |
25c269ef BP |
1809 | n_tables, json_to_string(reply->result, 0)); |
1810 | } | |
1811 | for (i = 0; i < n_tables; i++) { | |
1812 | const struct ovsdb_table_schema *ts = tables[i]->data; | |
fa37affa | 1813 | const struct json *op_result = reply->result->array.elems[i]; |
25c269ef BP |
1814 | struct json *rows; |
1815 | ||
1816 | if (op_result->type != JSON_OBJECT | |
1817 | || !(rows = shash_find_data(json_object(op_result), "rows")) | |
1818 | || rows->type != JSON_ARRAY) { | |
1819 | ovs_fatal(0, "%s table reply is not an object with a \"rows\" " | |
1820 | "member array: %s", | |
1821 | ts->name, json_to_string(op_result, 0)); | |
1822 | } | |
1823 | ||
b30aa413 | 1824 | if (argc > 1) { |
fa37affa | 1825 | dump_table(tables[i]->name, &custom_columns, &rows->array); |
b30aa413 | 1826 | } else { |
fa37affa | 1827 | dump_table(tables[i]->name, &ts->columns, &rows->array); |
b30aa413 | 1828 | } |
25c269ef | 1829 | } |
e49190c4 BP |
1830 | |
1831 | jsonrpc_msg_destroy(reply); | |
b30aa413 | 1832 | shash_destroy(&custom_columns); |
e49190c4 BP |
1833 | free(tables); |
1834 | ovsdb_schema_destroy(schema); | |
25c269ef BP |
1835 | } |
1836 | ||
4d0a31b6 BP |
1837 | static void |
1838 | print_and_free_log_record(struct json *record) | |
1839 | { | |
1840 | struct ds header = DS_EMPTY_INITIALIZER; | |
1841 | struct ds data = DS_EMPTY_INITIALIZER; | |
19b276cb | 1842 | ovsdb_log_compose_record(record, OVSDB_MAGIC, &header, &data); |
4d0a31b6 BP |
1843 | fwrite(header.string, header.length, 1, stdout); |
1844 | fwrite(data.string, data.length, 1, stdout); | |
1845 | ds_destroy(&data); | |
1846 | ds_destroy(&header); | |
1847 | json_destroy(record); | |
1848 | } | |
1849 | ||
cb8cbbbe AGS |
1850 | static void |
1851 | set_binary_mode(FILE *stream OVS_UNUSED) | |
1852 | { | |
1853 | #ifdef _WIN32 | |
1854 | fflush(stream); | |
1855 | /* On Windows set binary mode on the file descriptor to avoid | |
1856 | * translation (i.e. CRLF line endings). */ | |
1857 | if (_setmode(_fileno(stream), O_BINARY) == -1) { | |
1858 | ovs_fatal(errno, "could not set binary mode on fd %d", | |
1859 | _fileno(stream)); | |
1860 | } | |
1861 | #endif | |
1862 | } | |
1863 | ||
4d0a31b6 BP |
1864 | static void |
1865 | do_backup(struct jsonrpc *rpc, const char *database, | |
1866 | int argc OVS_UNUSED, char *argv[] OVS_UNUSED) | |
1867 | { | |
1868 | if (isatty(STDOUT_FILENO)) { | |
1869 | ovs_fatal(0, "not writing backup to a terminal; " | |
1870 | "please redirect stdout to a file"); | |
1871 | } | |
cb8cbbbe | 1872 | set_binary_mode(stdout); |
4d0a31b6 BP |
1873 | |
1874 | /* Get schema. */ | |
1875 | struct ovsdb_schema *schema = fetch_schema(rpc, database); | |
1876 | ||
1877 | /* Construct transaction to retrieve all tables. */ | |
1878 | struct json *txn = json_array_create_1(json_string_create(database)); | |
1879 | struct shash_node *node; | |
1880 | SHASH_FOR_EACH (node, &schema->tables) { | |
1881 | const char *table_name = node->name; | |
1882 | const struct ovsdb_table_schema *table = node->data; | |
1883 | ||
1884 | /* Get all the columns except _version and the ephemeral ones. | |
1885 | * | |
1886 | * We don't omit tables that only have ephemeral columns because of the | |
1887 | * possibility that other tables references rows in those tables; that | |
1888 | * is, even if all the columns are ephemeral, the rows themselves are | |
1889 | * not. */ | |
1890 | struct json *columns = json_array_create_empty(); | |
1891 | struct shash_node *node2; | |
1892 | SHASH_FOR_EACH (node2, &table->columns) { | |
1893 | const struct ovsdb_column *column = node2->data; | |
1894 | ||
1895 | if (column->persistent) { | |
1896 | if (!columns) { | |
1897 | columns = json_array_create_empty(); | |
1898 | } | |
1899 | json_array_add(columns, json_string_create(column->name)); | |
1900 | } | |
1901 | } | |
1902 | ||
1903 | struct json *op = json_object_create(); | |
1904 | json_object_put_string(op, "op", "select"); | |
1905 | json_object_put_string(op, "table", table_name); | |
1906 | json_object_put(op, "where", json_array_create_empty()); | |
1907 | json_object_put(op, "columns", columns); | |
1908 | json_array_add(txn, op); | |
1909 | } | |
1910 | ||
1911 | /* Send request, get reply. */ | |
1912 | struct jsonrpc_msg *rq = jsonrpc_create_request("transact", txn, NULL); | |
1913 | struct jsonrpc_msg *reply; | |
1914 | check_txn(jsonrpc_transact_block(rpc, rq, &reply), &reply); | |
1915 | ||
1916 | /* Print schema record. */ | |
1917 | print_and_free_log_record(ovsdb_schema_to_json(schema)); | |
1918 | ||
1919 | /* Print database transaction record. */ | |
1920 | if (reply->result->type != JSON_ARRAY | |
fa37affa | 1921 | || reply->result->array.n != shash_count(&schema->tables)) { |
4d0a31b6 BP |
1922 | ovs_fatal(0, "reply is not array of %"PRIuSIZE" elements: %s", |
1923 | shash_count(&schema->tables), | |
1924 | json_to_string(reply->result, 0)); | |
1925 | } | |
1926 | struct json *output_txn = json_object_create(); | |
1927 | ||
1928 | size_t i = 0; | |
1929 | SHASH_FOR_EACH (node, &schema->tables) { | |
1930 | const char *table_name = node->name; | |
1931 | const struct ovsdb_table_schema *table = node->data; | |
fa37affa | 1932 | const struct json *op_result = reply->result->array.elems[i++]; |
4d0a31b6 BP |
1933 | struct json *rows; |
1934 | ||
1935 | if (op_result->type != JSON_OBJECT | |
1936 | || !(rows = shash_find_data(json_object(op_result), "rows")) | |
1937 | || rows->type != JSON_ARRAY) { | |
1938 | ovs_fatal(0, "%s table reply is not an object with a \"rows\" " | |
1939 | "member array: %s", | |
1940 | table->name, json_to_string(op_result, 0)); | |
1941 | } | |
1942 | ||
fa37affa | 1943 | if (!rows->array.n) { |
4d0a31b6 BP |
1944 | continue; |
1945 | } | |
1946 | ||
1947 | struct json *output_rows = json_object_create(); | |
fa37affa BP |
1948 | for (size_t j = 0; j < rows->array.n; j++) { |
1949 | struct json *row = rows->array.elems[j]; | |
4d0a31b6 BP |
1950 | if (row->type != JSON_OBJECT) { |
1951 | ovs_fatal(0, "%s table reply row is not an object: %s", | |
1952 | table_name, json_to_string(row, 0)); | |
1953 | } | |
1954 | ||
1955 | struct json *uuid_json = shash_find_and_delete(json_object(row), | |
1956 | "_uuid"); | |
1957 | if (!uuid_json) { | |
1958 | ovs_fatal(0, "%s table reply row lacks _uuid member: %s", | |
1959 | table_name, json_to_string(row, 0)); | |
1960 | } | |
1961 | ||
1962 | const struct ovsdb_base_type uuid_base = OVSDB_BASE_UUID_INIT; | |
1963 | union ovsdb_atom atom; | |
1964 | check_ovsdb_error(ovsdb_atom_from_json(&atom, &uuid_base, | |
1965 | uuid_json, NULL)); | |
1966 | ||
1967 | char uuid_s[UUID_LEN + 1]; | |
1968 | snprintf(uuid_s, sizeof uuid_s, UUID_FMT, UUID_ARGS(&atom.uuid)); | |
1969 | json_object_put(output_rows, uuid_s, json_clone(row)); | |
1970 | } | |
1971 | json_object_put(output_txn, table_name, output_rows); | |
1972 | } | |
1973 | output_txn = ovsdb_file_txn_annotate( | |
1974 | output_txn, "produced by \"ovsdb-client backup\""); | |
1975 | print_and_free_log_record(output_txn); | |
1976 | ||
1977 | ovsdb_schema_destroy(schema); | |
1978 | jsonrpc_msg_destroy(reply); | |
1979 | } | |
1980 | ||
1b1d2e6d BP |
1981 | static void |
1982 | check_transaction_reply(struct jsonrpc_msg *reply) | |
1983 | { | |
1984 | if (reply->result->type != JSON_ARRAY) { | |
1985 | ovs_fatal(0, "result is not array"); | |
1986 | } | |
1987 | for (size_t i = 0; i < json_array(reply->result)->n; i++) { | |
1988 | struct json *json = json_array(reply->result)->elems[i]; | |
1989 | if (json->type != JSON_OBJECT) { | |
1990 | ovs_fatal(0, "result array element is not object"); | |
1991 | } | |
1992 | struct shash *object = json_object(json); | |
1993 | if (shash_find(object, "error")) { | |
1994 | ovs_fatal(0, "server returned error reply: %s", | |
1995 | json_to_string(json, JSSF_SORT)); | |
1996 | } | |
1997 | } | |
1998 | } | |
1999 | ||
fe0fb885 BP |
2000 | static void |
2001 | do_restore(struct jsonrpc *rpc, const char *database, | |
2002 | int argc OVS_UNUSED, char *argv[] OVS_UNUSED) | |
2003 | { | |
2004 | if (isatty(STDIN_FILENO)) { | |
2005 | ovs_fatal(0, "not reading backup from a terminal; " | |
2006 | "please redirect stdin from a file"); | |
2007 | } | |
cb8cbbbe | 2008 | set_binary_mode(stdin); |
fe0fb885 | 2009 | |
1b1d2e6d BP |
2010 | struct ovsdb *backup = ovsdb_file_read("/dev/stdin", false); |
2011 | ovsdb_storage_close(backup->storage); | |
2012 | backup->storage = NULL; | |
fe0fb885 | 2013 | |
1b1d2e6d BP |
2014 | struct ovsdb_schema *online_schema = fetch_schema(rpc, database); |
2015 | if (!ovsdb_schema_equal(backup->schema, online_schema)) { | |
fe0fb885 | 2016 | struct ds s = DS_EMPTY_INITIALIZER; |
1b1d2e6d | 2017 | if (strcmp(backup->schema->version, online_schema->version)) { |
fe0fb885 BP |
2018 | ds_put_format(&s, "backup schema has version \"%s\" but " |
2019 | "database schema has version \"%s\"", | |
1b1d2e6d | 2020 | backup->schema->version, online_schema->version); |
fe0fb885 BP |
2021 | } else { |
2022 | ds_put_format(&s, "backup schema and database schema are " | |
2023 | "both version %s but still differ", | |
1b1d2e6d | 2024 | backup->schema->version); |
fe0fb885 BP |
2025 | } |
2026 | if (!force) { | |
2027 | ovs_fatal(0, "%s (use --force to override differences, or " | |
2028 | "\"ovsdb-client convert\" to change the schema)", | |
2029 | ds_cstr(&s)); | |
2030 | } | |
2031 | VLOG_INFO("%s", ds_cstr(&s)); | |
2032 | ds_destroy(&s); | |
2033 | } | |
1b1d2e6d | 2034 | ovsdb_schema_destroy(online_schema); |
fe0fb885 BP |
2035 | |
2036 | struct json *txn = json_array_create_empty(); | |
1b1d2e6d | 2037 | json_array_add(txn, json_string_create(backup->schema->name)); |
fe0fb885 BP |
2038 | struct shash_node *node; |
2039 | SHASH_FOR_EACH (node, &backup->tables) { | |
2040 | const char *table_name = node->name; | |
2041 | struct ovsdb_table *table = node->data; | |
2042 | ||
2043 | struct json *del_op = json_object_create(); | |
2044 | json_object_put_string(del_op, "op", "delete"); | |
2045 | json_object_put_string(del_op, "table", table_name); | |
2046 | json_object_put(del_op, "where", json_array_create_empty()); | |
2047 | json_array_add(txn, del_op); | |
2048 | ||
2049 | const struct ovsdb_row *row; | |
2050 | HMAP_FOR_EACH (row, hmap_node, &table->rows) { | |
2051 | struct json *ins_op = json_object_create(); | |
2052 | json_object_put_string(ins_op, "op", "insert"); | |
2053 | json_object_put_string(ins_op, "table", table_name); | |
2054 | json_object_put(ins_op, "uuid-name", | |
2055 | json_string_create_nocopy( | |
2056 | ovsdb_data_row_name(ovsdb_row_get_uuid(row)))); | |
2057 | struct json *row_json = json_object_create(); | |
2058 | json_object_put(ins_op, "row", row_json); | |
2059 | ||
2060 | struct shash_node *node2; | |
2061 | SHASH_FOR_EACH (node2, &table->schema->columns) { | |
2062 | const struct ovsdb_column *column = node2->data; | |
2063 | const struct ovsdb_datum *datum = &row->fields[column->index]; | |
2064 | const struct ovsdb_type *type = &column->type; | |
2065 | if (column->persistent | |
2066 | && column->index >= OVSDB_N_STD_COLUMNS | |
2067 | && !ovsdb_datum_is_default(datum, type)) { | |
2068 | struct json *value = ovsdb_datum_to_json_with_row_names( | |
2069 | datum, type); | |
2070 | json_object_put(row_json, column->name, value); | |
2071 | } | |
2072 | } | |
2073 | json_array_add(txn, ins_op); | |
2074 | } | |
2075 | } | |
a34eba01 | 2076 | ovsdb_destroy(backup); |
fe0fb885 BP |
2077 | struct jsonrpc_msg *rq = jsonrpc_create_request("transact", txn, NULL); |
2078 | struct jsonrpc_msg *reply; | |
2079 | check_txn(jsonrpc_transact_block(rpc, rq, &reply), &reply); | |
1b1d2e6d | 2080 | check_transaction_reply(reply); |
fe0fb885 BP |
2081 | jsonrpc_msg_destroy(reply); |
2082 | } | |
2083 | ||
2084 | ||
d0632593 | 2085 | static void |
53ffefe9 BP |
2086 | do_help(struct jsonrpc *rpc OVS_UNUSED, const char *database OVS_UNUSED, |
2087 | int argc OVS_UNUSED, char *argv[] OVS_UNUSED) | |
d0632593 BP |
2088 | { |
2089 | usage(); | |
2090 | } | |
2091 | ||
9aeba3f4 AZ |
2092 | \f |
2093 | /* "lock" command. */ | |
2094 | ||
2095 | struct ovsdb_client_lock_req { | |
2096 | const char *method; | |
2097 | char *lock; | |
2098 | }; | |
2099 | ||
2100 | static void | |
2101 | lock_req_init(struct ovsdb_client_lock_req *lock_req, | |
2102 | const char *method, const char *lock_name) | |
2103 | { | |
2104 | if (lock_req->method || lock_req->lock) { | |
2105 | return; | |
2106 | } | |
2107 | lock_req->method = method; | |
2108 | lock_req->lock = xstrdup(lock_name); | |
2109 | } | |
2110 | ||
2111 | static bool | |
2112 | lock_req_is_set(struct ovsdb_client_lock_req *lock_req) | |
2113 | { | |
2114 | return lock_req->method; | |
2115 | } | |
2116 | ||
2117 | static void | |
2118 | lock_req_destroy(struct ovsdb_client_lock_req *lock_req) | |
2119 | { | |
2120 | free(lock_req->lock); | |
2121 | lock_req->method = NULL; | |
2122 | lock_req->lock = NULL; | |
2123 | } | |
2124 | ||
2125 | /* Create a lock class request. Caller is responsible for free | |
2126 | * the 'request' message. */ | |
2127 | static struct jsonrpc_msg * | |
2128 | create_lock_request(struct ovsdb_client_lock_req *lock_req) | |
2129 | { | |
2130 | struct json *locks, *lock; | |
2131 | ||
2132 | locks = json_array_create_empty(); | |
2133 | lock = json_string_create(lock_req->lock); | |
2134 | json_array_add(locks, lock); | |
2135 | ||
2136 | return jsonrpc_create_request(lock_req->method, locks, NULL); | |
2137 | } | |
2138 | ||
2139 | static void | |
2140 | ovsdb_client_lock(struct unixctl_conn *conn, int argc OVS_UNUSED, | |
2141 | const char *argv[], void *lock_req_) | |
2142 | { | |
2143 | struct ovsdb_client_lock_req *lock_req = lock_req_; | |
2144 | lock_req_init(lock_req, "lock", argv[1]); | |
2145 | unixctl_command_reply(conn, NULL); | |
2146 | } | |
2147 | ||
2148 | static void | |
2149 | ovsdb_client_unlock(struct unixctl_conn *conn, int argc OVS_UNUSED, | |
2150 | const char *argv[], void *lock_req_) | |
2151 | { | |
2152 | struct ovsdb_client_lock_req *lock_req = lock_req_; | |
2153 | lock_req_init(lock_req, "unlock", argv[1]); | |
2154 | unixctl_command_reply(conn, NULL); | |
2155 | } | |
2156 | ||
2157 | static void | |
2158 | ovsdb_client_steal(struct unixctl_conn *conn, int argc OVS_UNUSED, | |
2159 | const char *argv[], void *lock_req_) | |
2160 | { | |
2161 | struct ovsdb_client_lock_req *lock_req = lock_req_; | |
2162 | lock_req_init(lock_req, "steal", argv[1]); | |
2163 | unixctl_command_reply(conn, NULL); | |
2164 | } | |
2165 | ||
2166 | static void | |
2167 | do_lock(struct jsonrpc *rpc, const char *method, const char *lock) | |
2168 | { | |
2169 | struct ovsdb_client_lock_req lock_req = {NULL, NULL}; | |
2170 | struct unixctl_server *unixctl; | |
2171 | struct jsonrpc_msg *request; | |
2172 | struct json *request_id = NULL; | |
2173 | bool exiting = false; | |
2174 | bool enable_lock_request = true; /* Don't send another request before | |
2175 | getting a reply of the previous | |
2176 | request. */ | |
2177 | daemon_save_fd(STDOUT_FILENO); | |
2178 | daemonize_start(false); | |
2179 | lock_req_init(&lock_req, method, lock); | |
2180 | ||
2181 | if (get_detach()) { | |
2182 | int error; | |
2183 | ||
2184 | error = unixctl_server_create(NULL, &unixctl); | |
2185 | if (error) { | |
2186 | ovs_fatal(error, "failed to create unixctl server"); | |
2187 | } | |
2188 | ||
2189 | unixctl_command_register("unlock", "LOCK", 1, 1, | |
2190 | ovsdb_client_unlock, &lock_req); | |
2191 | unixctl_command_register("steal", "LOCK", 1, 1, | |
2192 | ovsdb_client_steal, &lock_req); | |
2193 | unixctl_command_register("lock", "LOCK", 1, 1, | |
2194 | ovsdb_client_lock, &lock_req); | |
2195 | unixctl_command_register("exit", "", 0, 0, | |
2196 | ovsdb_client_exit, &exiting); | |
2197 | } else { | |
2198 | unixctl = NULL; | |
2199 | } | |
2200 | ||
2201 | for (;;) { | |
2202 | struct jsonrpc_msg *msg; | |
2203 | int error; | |
2204 | ||
2205 | unixctl_server_run(unixctl); | |
2206 | if (enable_lock_request && lock_req_is_set(&lock_req)) { | |
2207 | request = create_lock_request(&lock_req); | |
2208 | request_id = json_clone(request->id); | |
2209 | jsonrpc_send(rpc, request); | |
2210 | lock_req_destroy(&lock_req); | |
2211 | } | |
2212 | ||
2213 | error = jsonrpc_recv(rpc, &msg); | |
2214 | if (error == EAGAIN) { | |
2215 | goto no_msg; | |
2216 | } else if (error) { | |
2217 | ovs_fatal(error, "%s: receive failed", jsonrpc_get_name(rpc)); | |
2218 | } | |
2219 | ||
2220 | if (msg->type == JSONRPC_REQUEST && !strcmp(msg->method, "echo")) { | |
2221 | jsonrpc_send(rpc, jsonrpc_create_reply(json_clone(msg->params), | |
2222 | msg->id)); | |
2223 | } else if (msg->type == JSONRPC_REPLY | |
2224 | && json_equal(msg->id, request_id)) { | |
2225 | print_json(msg->result); | |
9aeba3f4 AZ |
2226 | fflush(stdout); |
2227 | enable_lock_request = true; | |
2228 | json_destroy(request_id); | |
2229 | request_id = NULL; | |
2230 | daemonize_complete(); | |
2231 | } else if (msg->type == JSONRPC_NOTIFY) { | |
2232 | puts(msg->method); | |
2233 | print_json(msg->params); | |
9aeba3f4 AZ |
2234 | fflush(stdout); |
2235 | } | |
2236 | ||
2237 | jsonrpc_msg_destroy(msg); | |
2238 | ||
2239 | no_msg: | |
2240 | if (exiting) { | |
2241 | break; | |
2242 | } | |
2243 | ||
2244 | jsonrpc_run(rpc); | |
2245 | jsonrpc_wait(rpc); | |
2246 | jsonrpc_recv_wait(rpc); | |
2247 | ||
2248 | unixctl_server_wait(unixctl); | |
2249 | poll_block(); | |
2250 | } | |
2251 | ||
2252 | json_destroy(request_id); | |
2253 | unixctl_server_destroy(unixctl); | |
2254 | } | |
2255 | ||
2256 | static void | |
2257 | do_lock_create(struct jsonrpc *rpc, const char *database OVS_UNUSED, | |
2258 | int argc OVS_UNUSED, char *argv[]) | |
2259 | { | |
2260 | do_lock(rpc, "lock", argv[0]); | |
2261 | } | |
2262 | ||
2263 | static void | |
2264 | do_lock_steal(struct jsonrpc *rpc, const char *database OVS_UNUSED, | |
2265 | int argc OVS_UNUSED, char *argv[]) | |
2266 | { | |
2267 | do_lock(rpc, "steal", argv[0]); | |
2268 | } | |
2269 | ||
2270 | static void | |
2271 | do_lock_unlock(struct jsonrpc *rpc, const char *database OVS_UNUSED, | |
2272 | int argc OVS_UNUSED, char *argv[]) | |
2273 | { | |
2274 | do_lock(rpc, "unlock", argv[0]); | |
2275 | } | |
2276 | ||
1b1d2e6d BP |
2277 | enum ovsdb_client_wait_type { |
2278 | WAIT_CONNECTED, | |
2279 | WAIT_ADDED, | |
2280 | WAIT_REMOVED | |
2281 | }; | |
2282 | ||
2283 | static struct jsonrpc_msg * | |
2284 | compose_wait_transaction(enum ovsdb_client_wait_type type, | |
2285 | const char *database) | |
2286 | { | |
2287 | struct json *txn = json_array_create_empty(); | |
2288 | json_array_add(txn, json_string_create("_Server")); | |
2289 | ||
2290 | struct json *op = json_object_create(); | |
2291 | json_array_add(txn, op); | |
2292 | json_object_put_string(op, "op", "wait"); | |
2293 | json_object_put_string(op, "table", "Database"); | |
2294 | json_object_put(op, "where", | |
2295 | json_array_create_1( | |
2296 | json_array_create_3( | |
2297 | json_string_create("name"), | |
2298 | json_string_create("=="), | |
2299 | json_string_create(database)))); | |
2300 | ||
2301 | if (type == WAIT_CONNECTED) { | |
2302 | /* Wait until connected == true. */ | |
2303 | json_object_put(op, "columns", | |
2304 | json_array_create_1(json_string_create("connected"))); | |
2305 | json_object_put_string(op, "until", "=="); | |
2306 | ||
2307 | struct json *row = json_object_create(); | |
2308 | json_object_put(row, "connected", json_boolean_create(true)); | |
2309 | json_object_put(op, "rows", json_array_create_1(row)); | |
2310 | } else { | |
2311 | ovs_assert(type == WAIT_ADDED || type == WAIT_REMOVED); | |
2312 | ||
2313 | /* Wait until such a row exists, or not, respectively. */ | |
2314 | json_object_put(op, "columns", json_array_create_empty()); | |
2315 | json_object_put_string(op, "until", "=="); | |
2316 | json_object_put(op, "rows", | |
2317 | (type == WAIT_ADDED | |
2318 | ? json_array_create_1(json_object_create()) | |
2319 | : json_array_create_empty())); | |
2320 | } | |
2321 | return jsonrpc_create_request("transact", txn, NULL); | |
2322 | } | |
2323 | ||
2324 | static void | |
2325 | do_wait(struct jsonrpc *rpc_unused OVS_UNUSED, | |
2326 | const char *database_unused OVS_UNUSED, | |
2327 | int argc, char *argv[]) | |
2328 | { | |
1b1d2e6d BP |
2329 | const char *database = argv[argc - 2]; |
2330 | const char *state = argv[argc - 1]; | |
2331 | ||
2332 | enum ovsdb_client_wait_type type; | |
2333 | if (!strcmp(state, "connected")) { | |
2334 | type = WAIT_CONNECTED; | |
2335 | } else if (!strcmp(state, "added")) { | |
2336 | type = WAIT_ADDED; | |
2337 | } else if (!strcmp(state, "removed")) { | |
2338 | type = WAIT_REMOVED; | |
2339 | } else { | |
2340 | ovs_fatal(0, "%s: unknown state", state); | |
2341 | } | |
2342 | ||
2343 | char *remote = argc > 2 ? xstrdup(argv[0]) : default_remote(); | |
2344 | struct jsonrpc_session *js = jsonrpc_session_open(remote, true); | |
2345 | free(remote); | |
2346 | ||
2347 | unsigned int seqno = 0; | |
2348 | struct json *sdca_id = NULL; | |
2349 | struct json *txn_id = NULL; | |
2350 | for (;;) { | |
2351 | jsonrpc_session_run(js); | |
2352 | ||
2353 | if (seqno != jsonrpc_session_get_seqno(js) | |
2354 | && jsonrpc_session_is_connected(js)) { | |
2355 | seqno = jsonrpc_session_get_seqno(js); | |
2356 | ||
2357 | /* Send set_db_change_aware request. */ | |
2358 | struct jsonrpc_msg *rq = jsonrpc_create_request( | |
2359 | "set_db_change_aware", | |
2360 | json_array_create_1(json_boolean_create(true)), | |
2361 | NULL); | |
2362 | json_destroy(sdca_id); | |
2363 | sdca_id = json_clone(rq->id); | |
2364 | jsonrpc_session_send(js, rq); | |
2365 | ||
2366 | /* Send transaction. */ | |
2367 | rq = compose_wait_transaction(type, database); | |
2368 | json_destroy(txn_id); | |
2369 | txn_id = json_clone(rq->id); | |
2370 | jsonrpc_session_send(js, rq); | |
2371 | } | |
2372 | ||
2373 | struct jsonrpc_msg *reply = jsonrpc_session_recv(js); | |
2374 | if (reply && reply->id) { | |
2375 | if (sdca_id && json_equal(sdca_id, reply->id)) { | |
2376 | if (reply->type == JSONRPC_ERROR) { | |
2377 | ovs_fatal(0, "%s: set_db_change_aware failed (%s)", | |
2378 | jsonrpc_session_get_name(js), | |
2379 | json_to_string(reply->error, 0)); | |
2380 | } | |
2381 | } else if (txn_id && json_equal(txn_id, reply->id)) { | |
2382 | check_transaction_reply(reply); | |
2383 | exit(0); | |
2384 | } | |
2385 | } | |
2386 | jsonrpc_msg_destroy(reply); | |
2387 | ||
2388 | jsonrpc_session_recv_wait(js); | |
2389 | jsonrpc_session_wait(js); | |
2390 | poll_block(); | |
2391 | } | |
2392 | } | |
2393 | ||
2394 | /* Command handlers may take an optional server socket name (e.g. "unix:...") | |
2395 | * and an optional database name (e.g. Open_vSwitch) as their initial | |
2396 | * arguments. The NEED_* element indicates what a particular command needs. | |
2397 | * These optional arguments should not be included in min_args or max_args, and | |
2398 | * they are not included in the argc and argv arguments passed to the handler: | |
2399 | * the argv[0] passed to the handler is the first argument after the optional | |
2400 | * server socket name. */ | |
53ffefe9 BP |
2401 | static const struct ovsdb_client_command all_commands[] = { |
2402 | { "list-dbs", NEED_RPC, 0, 0, do_list_dbs }, | |
2403 | { "get-schema", NEED_DATABASE, 0, 0, do_get_schema }, | |
2404 | { "get-schema-version", NEED_DATABASE, 0, 0, do_get_schema_version }, | |
33785c07 | 2405 | { "get-schema-cksum", NEED_DATABASE, 0, 0, do_get_schema_cksum }, |
53ffefe9 BP |
2406 | { "list-tables", NEED_DATABASE, 0, 0, do_list_tables }, |
2407 | { "list-columns", NEED_DATABASE, 0, 1, do_list_columns }, | |
1b1d2e6d BP |
2408 | { "transact", NEED_NONE, 1, 2, do_transact }, |
2409 | { "query", NEED_NONE, 1, 2, do_query }, | |
53ffefe9 | 2410 | { "monitor", NEED_DATABASE, 1, INT_MAX, do_monitor }, |
c383f3bf | 2411 | { "monitor-cond", NEED_DATABASE, 2, 3, do_monitor_cond }, |
1b1d2e6d BP |
2412 | { "wait", NEED_NONE, 2, 3, do_wait }, |
2413 | { "convert", NEED_NONE, 1, 2, do_convert }, | |
2414 | { "needs-conversion", NEED_NONE, 1, 2, do_needs_conversion }, | |
b30aa413 | 2415 | { "dump", NEED_DATABASE, 0, INT_MAX, do_dump }, |
4d0a31b6 | 2416 | { "backup", NEED_DATABASE, 0, 0, do_backup }, |
fe0fb885 | 2417 | { "restore", NEED_DATABASE, 0, 0, do_restore }, |
9aeba3f4 AZ |
2418 | { "lock", NEED_RPC, 1, 1, do_lock_create }, |
2419 | { "steal", NEED_RPC, 1, 1, do_lock_steal }, | |
2420 | { "unlock", NEED_RPC, 1, 1, do_lock_unlock }, | |
53ffefe9 BP |
2421 | { "help", NEED_NONE, 0, INT_MAX, do_help }, |
2422 | ||
2423 | { NULL, 0, 0, 0, NULL }, | |
d0632593 | 2424 | }; |
3815d6c2 LS |
2425 | |
2426 | static const struct ovsdb_client_command *get_all_commands(void) | |
2427 | { | |
2428 | return all_commands; | |
2429 | } |