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ebed9f78 | 1 | /* Copyright (c) 2009, 2010, 2011, 2012, 2013, 2014 Nicira, Inc. |
f85f8ebb BP |
2 | * |
3 | * Licensed under the Apache License, Version 2.0 (the "License"); | |
4 | * you may not use this file except in compliance with the License. | |
5 | * You may obtain a copy of the License at: | |
6 | * | |
7 | * http://www.apache.org/licenses/LICENSE-2.0 | |
8 | * | |
9 | * Unless required by applicable law or agreed to in writing, software | |
10 | * distributed under the License is distributed on an "AS IS" BASIS, | |
11 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |
12 | * See the License for the specific language governing permissions and | |
13 | * limitations under the License. | |
14 | */ | |
15 | ||
16 | #include <config.h> | |
17 | ||
f85f8ebb BP |
18 | #include <errno.h> |
19 | #include <getopt.h> | |
798e1352 | 20 | #include <inttypes.h> |
f85f8ebb | 21 | #include <signal.h> |
ebed9f78 | 22 | #include <sys/stat.h> |
eb077b26 | 23 | #include <unistd.h> |
f85f8ebb | 24 | |
0b1fae1b | 25 | #include "column.h" |
f85f8ebb BP |
26 | #include "command-line.h" |
27 | #include "daemon.h" | |
29701194 | 28 | #include "dirs.h" |
3e8a2ad1 | 29 | #include "openvswitch/dynamic-string.h" |
8a777cf6 | 30 | #include "fatal-signal.h" |
bd06962a | 31 | #include "file.h" |
da897f41 | 32 | #include "hash.h" |
f85f8ebb BP |
33 | #include "json.h" |
34 | #include "jsonrpc.h" | |
35 | #include "jsonrpc-server.h" | |
b19bab5b | 36 | #include "openvswitch/list.h" |
0d085684 | 37 | #include "memory.h" |
e0c73ed1 | 38 | #include "monitor.h" |
da897f41 | 39 | #include "ovsdb.h" |
0b1fae1b BP |
40 | #include "ovsdb-data.h" |
41 | #include "ovsdb-types.h" | |
f85f8ebb BP |
42 | #include "ovsdb-error.h" |
43 | #include "poll-loop.h" | |
44 | #include "process.h" | |
ae671c5f | 45 | #include "replication.h" |
0b1fae1b | 46 | #include "row.h" |
0d085684 | 47 | #include "simap.h" |
eeb36a52 | 48 | #include "shash.h" |
9467fe62 | 49 | #include "stream-ssl.h" |
f85f8ebb | 50 | #include "stream.h" |
b3c01ed3 | 51 | #include "sset.h" |
0b1fae1b | 52 | #include "table.h" |
f85f8ebb | 53 | #include "timeval.h" |
0b3e7a8b | 54 | #include "transaction.h" |
f85f8ebb BP |
55 | #include "trigger.h" |
56 | #include "util.h" | |
57 | #include "unixctl.h" | |
97a3c435 | 58 | #include "perf-counter.h" |
e6211adc | 59 | #include "openvswitch/vlog.h" |
5136ce49 | 60 | |
d98e6007 | 61 | VLOG_DEFINE_THIS_MODULE(ovsdb_server); |
f85f8ebb | 62 | |
ae671c5f | 63 | struct db; |
b4e8d170 | 64 | |
78876719 BP |
65 | /* SSL configuration. */ |
66 | static char *private_key_file; | |
67 | static char *certificate_file; | |
68 | static char *ca_cert_file; | |
69 | static bool bootstrap_ca_cert; | |
70 | ||
ae671c5f MC |
71 | /* Replication configuration. */ |
72 | static bool connect_to_remote_server; | |
73 | ||
aa78de9d | 74 | static unixctl_cb_func ovsdb_server_exit; |
ada496b5 | 75 | static unixctl_cb_func ovsdb_server_compact; |
31d0b6c9 | 76 | static unixctl_cb_func ovsdb_server_reconnect; |
97a3c435 AZ |
77 | static unixctl_cb_func ovsdb_server_perf_counters_clear; |
78 | static unixctl_cb_func ovsdb_server_perf_counters_show; | |
c383f3bf | 79 | static unixctl_cb_func ovsdb_server_disable_monitor_cond; |
aa78de9d | 80 | |
0a3b723b | 81 | struct server_config { |
b421d2af | 82 | struct sset *remotes; |
eeb36a52 | 83 | struct shash *all_dbs; |
5f36127e | 84 | FILE *config_tmpfile; |
0a3b723b | 85 | struct ovsdb_jsonrpc_server *jsonrpc; |
b421d2af BP |
86 | }; |
87 | static unixctl_cb_func ovsdb_server_add_remote; | |
88 | static unixctl_cb_func ovsdb_server_remove_remote; | |
89 | static unixctl_cb_func ovsdb_server_list_remotes; | |
90 | ||
0a3b723b BP |
91 | static unixctl_cb_func ovsdb_server_add_database; |
92 | static unixctl_cb_func ovsdb_server_remove_database; | |
93 | static unixctl_cb_func ovsdb_server_list_databases; | |
94 | ||
95 | static char *open_db(struct server_config *config, const char *filename); | |
03093a4f | 96 | static void close_db(struct db *db); |
eeb36a52 | 97 | |
b4e8d170 | 98 | static void parse_options(int *argc, char **argvp[], |
b3c01ed3 | 99 | struct sset *remotes, char **unixctl_pathp, |
475afa1b | 100 | char **run_command); |
cab50449 | 101 | OVS_NO_RETURN static void usage(void); |
f85f8ebb | 102 | |
0a3b723b BP |
103 | static char *reconfigure_remotes(struct ovsdb_jsonrpc_server *, |
104 | const struct shash *all_dbs, | |
105 | struct sset *remotes); | |
106 | static char *reconfigure_ssl(const struct shash *all_dbs); | |
107 | static void report_error_if_changed(char *error, char **last_errorp); | |
0b1fae1b | 108 | |
0b3e7a8b | 109 | static void update_remote_status(const struct ovsdb_jsonrpc_server *jsonrpc, |
b3c01ed3 | 110 | const struct sset *remotes, |
eeb36a52 | 111 | struct shash *all_dbs); |
0b3e7a8b | 112 | |
0a3b723b BP |
113 | static void save_config__(FILE *config_file, const struct sset *remotes, |
114 | const struct sset *db_filenames); | |
115 | static void save_config(struct server_config *); | |
116 | static void load_config(FILE *config_file, struct sset *remotes, | |
117 | struct sset *db_filenames); | |
5f36127e | 118 | |
513a3f64 ES |
119 | static void |
120 | main_loop(struct ovsdb_jsonrpc_server *jsonrpc, struct shash *all_dbs, | |
121 | struct unixctl_server *unixctl, struct sset *remotes, | |
122 | struct process *run_process, bool *exiting) | |
123 | { | |
124 | char *remotes_error, *ssl_error; | |
125 | struct shash_node *node; | |
126 | long long int status_timer = LLONG_MIN; | |
127 | ||
128 | *exiting = false; | |
129 | ssl_error = NULL; | |
130 | remotes_error = NULL; | |
131 | while (!*exiting) { | |
132 | memory_run(); | |
133 | if (memory_should_report()) { | |
134 | struct simap usage; | |
135 | ||
136 | simap_init(&usage); | |
137 | ovsdb_jsonrpc_server_get_memory_usage(jsonrpc, &usage); | |
e0c73ed1 | 138 | ovsdb_monitor_get_memory_usage(&usage); |
513a3f64 ES |
139 | SHASH_FOR_EACH(node, all_dbs) { |
140 | struct db *db = node->data; | |
141 | ovsdb_get_memory_usage(db->db, &usage); | |
142 | } | |
143 | memory_report(&usage); | |
144 | simap_destroy(&usage); | |
145 | } | |
146 | ||
147 | /* Run unixctl_server_run() before reconfigure_remotes() because | |
148 | * ovsdb-server/add-remote and ovsdb-server/remove-remote can change | |
149 | * the set of remotes that reconfigure_remotes() uses. */ | |
150 | unixctl_server_run(unixctl); | |
151 | ||
152 | report_error_if_changed( | |
153 | reconfigure_remotes(jsonrpc, all_dbs, remotes), | |
154 | &remotes_error); | |
155 | report_error_if_changed(reconfigure_ssl(all_dbs), &ssl_error); | |
156 | ovsdb_jsonrpc_server_run(jsonrpc); | |
157 | ||
ae671c5f MC |
158 | if (connect_to_remote_server) { |
159 | replication_run(all_dbs); | |
160 | } | |
161 | ||
513a3f64 ES |
162 | SHASH_FOR_EACH(node, all_dbs) { |
163 | struct db *db = node->data; | |
164 | ovsdb_trigger_run(db->db, time_msec()); | |
165 | } | |
166 | if (run_process) { | |
167 | process_run(); | |
168 | if (process_exited(run_process)) { | |
169 | *exiting = true; | |
170 | } | |
171 | } | |
172 | ||
ae671c5f | 173 | /* update Manager status(es) every 2.5 seconds */ |
513a3f64 | 174 | if (time_msec() >= status_timer) { |
ae671c5f | 175 | status_timer = time_msec() + 2500; |
513a3f64 ES |
176 | update_remote_status(jsonrpc, remotes, all_dbs); |
177 | } | |
178 | ||
179 | memory_wait(); | |
180 | ovsdb_jsonrpc_server_wait(jsonrpc); | |
181 | unixctl_server_wait(unixctl); | |
182 | SHASH_FOR_EACH(node, all_dbs) { | |
183 | struct db *db = node->data; | |
184 | ovsdb_trigger_wait(db->db, time_msec()); | |
185 | } | |
186 | if (run_process) { | |
187 | process_wait(run_process); | |
188 | } | |
189 | if (*exiting) { | |
190 | poll_immediate_wake(); | |
191 | } | |
192 | poll_timer_wait_until(status_timer); | |
193 | poll_block(); | |
194 | if (should_service_stop()) { | |
195 | *exiting = true; | |
196 | } | |
197 | } | |
198 | ||
b396293a | 199 | free(remotes_error); |
513a3f64 ES |
200 | } |
201 | ||
f85f8ebb BP |
202 | int |
203 | main(int argc, char *argv[]) | |
204 | { | |
aa78de9d | 205 | char *unixctl_path = NULL; |
475afa1b | 206 | char *run_command = NULL; |
f85f8ebb BP |
207 | struct unixctl_server *unixctl; |
208 | struct ovsdb_jsonrpc_server *jsonrpc; | |
0a3b723b BP |
209 | struct sset remotes, db_filenames; |
210 | const char *db_filename; | |
475afa1b | 211 | struct process *run_process; |
aa78de9d | 212 | bool exiting; |
f85f8ebb | 213 | int retval; |
5f36127e | 214 | FILE *config_tmpfile; |
0a3b723b | 215 | struct server_config server_config; |
eeb36a52 | 216 | struct shash all_dbs; |
03093a4f | 217 | struct shash_node *node, *next; |
0a3b723b | 218 | char *error; |
b4e8d170 BP |
219 | int i; |
220 | ||
5f383751 | 221 | ovs_cmdl_proctitle_init(argc, argv); |
f85f8ebb | 222 | set_program_name(argv[0]); |
42dd41ef | 223 | service_start(&argc, &argv); |
8a777cf6 | 224 | fatal_ignore_sigpipe(); |
f85f8ebb BP |
225 | process_init(); |
226 | ||
b4e8d170 | 227 | parse_options(&argc, &argv, &remotes, &unixctl_path, &run_command); |
e91b927d | 228 | daemon_become_new_user(false); |
f85f8ebb | 229 | |
5f36127e BP |
230 | /* Create and initialize 'config_tmpfile' as a temporary file to hold |
231 | * ovsdb-server's most basic configuration, and then save our initial | |
232 | * configuration to it. When --monitor is used, this preserves the effects | |
233 | * of ovs-appctl commands such as ovsdb-server/add-remote (which saves the | |
234 | * new configuration) across crashes. */ | |
235 | config_tmpfile = tmpfile(); | |
236 | if (!config_tmpfile) { | |
237 | ovs_fatal(errno, "failed to create temporary file"); | |
238 | } | |
0a3b723b BP |
239 | |
240 | sset_init(&db_filenames); | |
241 | if (argc > 0) { | |
242 | for (i = 0; i < argc; i++) { | |
243 | sset_add(&db_filenames, argv[i]); | |
244 | } | |
245 | } else { | |
246 | char *default_db = xasprintf("%s/conf.db", ovs_dbdir()); | |
247 | sset_add(&db_filenames, default_db); | |
248 | free(default_db); | |
249 | } | |
250 | ||
251 | server_config.remotes = &remotes; | |
252 | server_config.config_tmpfile = config_tmpfile; | |
253 | ||
254 | save_config__(config_tmpfile, &remotes, &db_filenames); | |
5f36127e | 255 | |
e91b927d | 256 | daemonize_start(false); |
eb077b26 | 257 | |
5f36127e | 258 | /* Load the saved config. */ |
0a3b723b | 259 | load_config(config_tmpfile, &remotes, &db_filenames); |
eeb36a52 GS |
260 | jsonrpc = ovsdb_jsonrpc_server_create(); |
261 | ||
0a3b723b BP |
262 | shash_init(&all_dbs); |
263 | server_config.all_dbs = &all_dbs; | |
264 | server_config.jsonrpc = jsonrpc; | |
7ef28119 WT |
265 | |
266 | perf_counters_init(); | |
267 | ||
0a3b723b BP |
268 | SSET_FOR_EACH (db_filename, &db_filenames) { |
269 | error = open_db(&server_config, db_filename); | |
270 | if (error) { | |
271 | ovs_fatal(0, "%s", error); | |
272 | } | |
b4e8d170 BP |
273 | } |
274 | ||
0a3b723b BP |
275 | error = reconfigure_remotes(jsonrpc, &all_dbs, &remotes); |
276 | if (!error) { | |
277 | error = reconfigure_ssl(&all_dbs); | |
278 | } | |
279 | if (error) { | |
280 | ovs_fatal(0, "%s", error); | |
281 | } | |
f85f8ebb | 282 | |
aa78de9d | 283 | retval = unixctl_server_create(unixctl_path, &unixctl); |
f85f8ebb | 284 | if (retval) { |
4d12270a | 285 | exit(EXIT_FAILURE); |
f85f8ebb BP |
286 | } |
287 | ||
475afa1b BP |
288 | if (run_command) { |
289 | char *run_argv[4]; | |
290 | ||
291 | run_argv[0] = "/bin/sh"; | |
292 | run_argv[1] = "-c"; | |
293 | run_argv[2] = run_command; | |
294 | run_argv[3] = NULL; | |
295 | ||
e1208bc4 | 296 | retval = process_start(run_argv, &run_process); |
475afa1b BP |
297 | if (retval) { |
298 | ovs_fatal(retval, "%s: process failed to start", run_command); | |
299 | } | |
300 | } else { | |
301 | run_process = NULL; | |
302 | } | |
303 | ||
95440284 | 304 | daemonize_complete(); |
aa78de9d | 305 | |
08b9b190 EJ |
306 | if (!run_command) { |
307 | /* ovsdb-server is usually a long-running process, in which case it | |
308 | * makes plenty of sense to log the version, but --run makes | |
309 | * ovsdb-server more like a command-line tool, so skip it. */ | |
310 | VLOG_INFO("%s (Open vSwitch) %s", program_name, VERSION); | |
311 | } | |
9dbc190c | 312 | |
0e15264f | 313 | unixctl_command_register("exit", "", 0, 0, ovsdb_server_exit, &exiting); |
b4e8d170 | 314 | unixctl_command_register("ovsdb-server/compact", "", 0, 1, |
eeb36a52 | 315 | ovsdb_server_compact, &all_dbs); |
0e15264f | 316 | unixctl_command_register("ovsdb-server/reconnect", "", 0, 0, |
7ff2009a | 317 | ovsdb_server_reconnect, jsonrpc); |
aa78de9d | 318 | |
b421d2af | 319 | unixctl_command_register("ovsdb-server/add-remote", "REMOTE", 1, 1, |
0a3b723b | 320 | ovsdb_server_add_remote, &server_config); |
b421d2af | 321 | unixctl_command_register("ovsdb-server/remove-remote", "REMOTE", 1, 1, |
0a3b723b | 322 | ovsdb_server_remove_remote, &server_config); |
b421d2af BP |
323 | unixctl_command_register("ovsdb-server/list-remotes", "", 0, 0, |
324 | ovsdb_server_list_remotes, &remotes); | |
325 | ||
0a3b723b BP |
326 | unixctl_command_register("ovsdb-server/add-db", "DB", 1, 1, |
327 | ovsdb_server_add_database, &server_config); | |
328 | unixctl_command_register("ovsdb-server/remove-db", "DB", 1, 1, | |
329 | ovsdb_server_remove_database, &server_config); | |
330 | unixctl_command_register("ovsdb-server/list-dbs", "", 0, 0, | |
331 | ovsdb_server_list_databases, &all_dbs); | |
97a3c435 AZ |
332 | unixctl_command_register("ovsdb-server/perf-counters-show", "", 0, 0, |
333 | ovsdb_server_perf_counters_show, NULL); | |
334 | unixctl_command_register("ovsdb-server/perf-counters-clear", "", 0, 0, | |
335 | ovsdb_server_perf_counters_clear, NULL); | |
0a3b723b | 336 | |
e47cb14c | 337 | /* Simulate the behavior of OVS release prior to version 2.5 that |
c383f3bf LS |
338 | * does not support the monitor_cond method. */ |
339 | unixctl_command_register("ovsdb-server/disable-monitor-cond", "", 0, 0, | |
340 | ovsdb_server_disable_monitor_cond, jsonrpc); | |
e47cb14c | 341 | |
513a3f64 | 342 | main_loop(jsonrpc, &all_dbs, unixctl, &remotes, run_process, &exiting); |
0d085684 | 343 | |
23935e8b | 344 | ovsdb_jsonrpc_server_destroy(jsonrpc); |
03093a4f | 345 | SHASH_FOR_EACH_SAFE(node, next, &all_dbs) { |
eeb36a52 | 346 | struct db *db = node->data; |
03093a4f RW |
347 | close_db(db); |
348 | shash_delete(&all_dbs, node); | |
b4e8d170 | 349 | } |
d557df96 | 350 | shash_destroy(&all_dbs); |
b3c01ed3 | 351 | sset_destroy(&remotes); |
03093a4f | 352 | sset_destroy(&db_filenames); |
23935e8b | 353 | unixctl_server_destroy(unixctl); |
ae671c5f | 354 | disconnect_remote_server(); |
f85f8ebb | 355 | |
475afa1b BP |
356 | if (run_process && process_exited(run_process)) { |
357 | int status = process_status(run_process); | |
358 | if (status) { | |
359 | ovs_fatal(0, "%s: child exited, %s", | |
360 | run_command, process_status_msg(status)); | |
361 | } | |
362 | } | |
97a3c435 | 363 | perf_counters_destroy(); |
42dd41ef | 364 | service_stop(); |
f85f8ebb BP |
365 | return 0; |
366 | } | |
367 | ||
ebed9f78 BP |
368 | /* Returns true if 'filename' is known to be already open as a database, |
369 | * false if not. | |
370 | * | |
371 | * "False negatives" are possible. */ | |
372 | static bool | |
373 | is_already_open(struct server_config *config OVS_UNUSED, | |
374 | const char *filename OVS_UNUSED) | |
375 | { | |
376 | #ifndef _WIN32 | |
377 | struct stat s; | |
378 | ||
379 | if (!stat(filename, &s)) { | |
380 | struct shash_node *node; | |
381 | ||
382 | SHASH_FOR_EACH (node, config->all_dbs) { | |
383 | struct db *db = node->data; | |
384 | struct stat s2; | |
385 | ||
386 | if (!stat(db->filename, &s2) | |
387 | && s.st_dev == s2.st_dev | |
388 | && s.st_ino == s2.st_ino) { | |
389 | return true; | |
390 | } | |
391 | } | |
392 | } | |
393 | #endif /* !_WIN32 */ | |
394 | ||
395 | return false; | |
396 | } | |
397 | ||
03093a4f RW |
398 | static void |
399 | close_db(struct db *db) | |
400 | { | |
401 | ovsdb_destroy(db->db); | |
402 | free(db->filename); | |
403 | free(db); | |
404 | } | |
405 | ||
0a3b723b BP |
406 | static char * |
407 | open_db(struct server_config *config, const char *filename) | |
eeb36a52 | 408 | { |
0a3b723b BP |
409 | struct ovsdb_error *db_error; |
410 | struct db *db; | |
411 | char *error; | |
eeb36a52 | 412 | |
ebed9f78 BP |
413 | /* If we know that the file is already open, return a good error message. |
414 | * Otherwise, if the file is open, we'll fail later on with a harder to | |
415 | * interpret file locking error. */ | |
416 | if (is_already_open(config, filename)) { | |
417 | return xasprintf("%s: already open", filename); | |
418 | } | |
419 | ||
0a3b723b BP |
420 | db = xzalloc(sizeof *db); |
421 | db->filename = xstrdup(filename); | |
eeb36a52 | 422 | |
0a3b723b BP |
423 | db_error = ovsdb_file_open(db->filename, false, &db->db, &db->file); |
424 | if (db_error) { | |
425 | error = ovsdb_error_to_string(db_error); | |
426 | } else if (!ovsdb_jsonrpc_server_add_db(config->jsonrpc, db->db)) { | |
427 | error = xasprintf("%s: duplicate database name", db->db->schema->name); | |
428 | } else { | |
429 | shash_add_assert(config->all_dbs, db->db->schema->name, db); | |
430 | return NULL; | |
eeb36a52 GS |
431 | } |
432 | ||
0a3b723b | 433 | ovsdb_error_destroy(db_error); |
03093a4f | 434 | close_db(db); |
0a3b723b | 435 | return error; |
eeb36a52 GS |
436 | } |
437 | ||
cab50449 | 438 | static char * OVS_WARN_UNUSED_RESULT |
eeb36a52 | 439 | parse_db_column__(const struct shash *all_dbs, |
c02cf07b BP |
440 | const char *name_, char *name, |
441 | const struct db **dbp, | |
442 | const struct ovsdb_table **tablep, | |
443 | const struct ovsdb_column **columnp) | |
0b1fae1b | 444 | { |
fb6de52c | 445 | const char *db_name, *table_name, *column_name; |
0b1fae1b BP |
446 | const struct ovsdb_column *column; |
447 | const struct ovsdb_table *table; | |
b4e8d170 | 448 | const char *tokens[3]; |
0b1fae1b | 449 | char *save_ptr = NULL; |
b4e8d170 | 450 | const struct db *db; |
0b1fae1b | 451 | |
c02cf07b BP |
452 | *dbp = NULL; |
453 | *tablep = NULL; | |
454 | *columnp = NULL; | |
455 | ||
b0ef0551 | 456 | strtok_r(name, ":", &save_ptr); /* "db:" */ |
b4e8d170 BP |
457 | tokens[0] = strtok_r(NULL, ",", &save_ptr); |
458 | tokens[1] = strtok_r(NULL, ",", &save_ptr); | |
459 | tokens[2] = strtok_r(NULL, ",", &save_ptr); | |
fb6de52c | 460 | if (!tokens[0] || !tokens[1] || !tokens[2]) { |
c02cf07b | 461 | return xasprintf("\"%s\": invalid syntax", name_); |
0b1fae1b | 462 | } |
b4e8d170 | 463 | |
fb6de52c GS |
464 | db_name = tokens[0]; |
465 | table_name = tokens[1]; | |
466 | column_name = tokens[2]; | |
467 | ||
468 | db = find_db(all_dbs, tokens[0]); | |
469 | if (!db) { | |
470 | return xasprintf("\"%s\": no database named %s", name_, db_name); | |
b4e8d170 | 471 | } |
0b1fae1b | 472 | |
b4e8d170 | 473 | table = ovsdb_get_table(db->db, table_name); |
0b1fae1b | 474 | if (!table) { |
c02cf07b | 475 | return xasprintf("\"%s\": no table named %s", name_, table_name); |
0b1fae1b BP |
476 | } |
477 | ||
478 | column = ovsdb_table_schema_get_column(table->schema, column_name); | |
479 | if (!column) { | |
c02cf07b BP |
480 | return xasprintf("\"%s\": table \"%s\" has no column \"%s\"", |
481 | name_, table_name, column_name); | |
0b1fae1b BP |
482 | } |
483 | ||
b4e8d170 | 484 | *dbp = db; |
94db5407 BP |
485 | *columnp = column; |
486 | *tablep = table; | |
c02cf07b | 487 | return NULL; |
94db5407 BP |
488 | } |
489 | ||
c02cf07b BP |
490 | /* Returns NULL if successful, otherwise a malloc()'d string describing the |
491 | * error. */ | |
cab50449 | 492 | static char * OVS_WARN_UNUSED_RESULT |
eeb36a52 | 493 | parse_db_column(const struct shash *all_dbs, |
c02cf07b BP |
494 | const char *name_, |
495 | const struct db **dbp, | |
496 | const struct ovsdb_table **tablep, | |
497 | const struct ovsdb_column **columnp) | |
498 | { | |
499 | char *name = xstrdup(name_); | |
eeb36a52 | 500 | char *retval = parse_db_column__(all_dbs, name_, name, |
c02cf07b BP |
501 | dbp, tablep, columnp); |
502 | free(name); | |
503 | return retval; | |
504 | } | |
505 | ||
506 | /* Returns NULL if successful, otherwise a malloc()'d string describing the | |
507 | * error. */ | |
cab50449 | 508 | static char * OVS_WARN_UNUSED_RESULT |
eeb36a52 | 509 | parse_db_string_column(const struct shash *all_dbs, |
94db5407 | 510 | const char *name, |
b4e8d170 | 511 | const struct db **dbp, |
94db5407 BP |
512 | const struct ovsdb_table **tablep, |
513 | const struct ovsdb_column **columnp) | |
514 | { | |
c02cf07b | 515 | char *retval; |
94db5407 | 516 | |
eeb36a52 | 517 | retval = parse_db_column(all_dbs, name, dbp, tablep, columnp); |
c02cf07b BP |
518 | if (retval) { |
519 | return retval; | |
520 | } | |
94db5407 | 521 | |
c02cf07b BP |
522 | if ((*columnp)->type.key.type != OVSDB_TYPE_STRING |
523 | || (*columnp)->type.value.type != OVSDB_TYPE_VOID) { | |
524 | return xasprintf("\"%s\": table \"%s\" column \"%s\" is " | |
525 | "not string or set of strings", | |
526 | name, (*tablep)->schema->name, (*columnp)->name); | |
78876719 BP |
527 | } |
528 | ||
c02cf07b | 529 | return NULL; |
78876719 BP |
530 | } |
531 | ||
0a3b723b BP |
532 | static const char * |
533 | query_db_string(const struct shash *all_dbs, const char *name, | |
534 | struct ds *errors) | |
78876719 BP |
535 | { |
536 | if (!name || strncmp(name, "db:", 3)) { | |
537 | return name; | |
538 | } else { | |
539 | const struct ovsdb_column *column; | |
540 | const struct ovsdb_table *table; | |
541 | const struct ovsdb_row *row; | |
b4e8d170 | 542 | const struct db *db; |
c02cf07b | 543 | char *retval; |
78876719 | 544 | |
eeb36a52 | 545 | retval = parse_db_string_column(all_dbs, name, |
c02cf07b BP |
546 | &db, &table, &column); |
547 | if (retval) { | |
0a3b723b | 548 | ds_put_format(errors, "%s\n", retval); |
0ded15d4 | 549 | free(retval); |
0a3b723b | 550 | return NULL; |
c02cf07b | 551 | } |
78876719 | 552 | |
4e8e4213 | 553 | HMAP_FOR_EACH (row, hmap_node, &table->rows) { |
78876719 BP |
554 | const struct ovsdb_datum *datum; |
555 | size_t i; | |
556 | ||
557 | datum = &row->fields[column->index]; | |
558 | for (i = 0; i < datum->n; i++) { | |
559 | if (datum->keys[i].string[0]) { | |
560 | return datum->keys[i].string; | |
561 | } | |
562 | } | |
563 | } | |
564 | return NULL; | |
0b1fae1b | 565 | } |
78876719 BP |
566 | } |
567 | ||
94db5407 BP |
568 | static struct ovsdb_jsonrpc_options * |
569 | add_remote(struct shash *remotes, const char *target) | |
570 | { | |
571 | struct ovsdb_jsonrpc_options *options; | |
572 | ||
573 | options = shash_find_data(remotes, target); | |
574 | if (!options) { | |
f1936eb6 | 575 | options = ovsdb_jsonrpc_default_options(target); |
94db5407 BP |
576 | shash_add(remotes, target, options); |
577 | } | |
578 | ||
579 | return options; | |
580 | } | |
581 | ||
0b3e7a8b AE |
582 | static struct ovsdb_datum * |
583 | get_datum(struct ovsdb_row *row, const char *column_name, | |
584 | const enum ovsdb_atomic_type key_type, | |
585 | const enum ovsdb_atomic_type value_type, | |
586 | const size_t n_max) | |
94db5407 BP |
587 | { |
588 | static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 1); | |
589 | const struct ovsdb_table_schema *schema = row->table->schema; | |
590 | const struct ovsdb_column *column; | |
94db5407 BP |
591 | |
592 | column = ovsdb_table_schema_get_column(schema, column_name); | |
593 | if (!column) { | |
594 | VLOG_DBG_RL(&rl, "Table `%s' has no `%s' column", | |
595 | schema->name, column_name); | |
0b3e7a8b | 596 | return NULL; |
94db5407 BP |
597 | } |
598 | ||
0b3e7a8b AE |
599 | if (column->type.key.type != key_type |
600 | || column->type.value.type != value_type | |
601 | || column->type.n_max != n_max) { | |
94db5407 BP |
602 | if (!VLOG_DROP_DBG(&rl)) { |
603 | char *type_name = ovsdb_type_to_english(&column->type); | |
604 | VLOG_DBG("Table `%s' column `%s' has type %s, not expected " | |
34582733 | 605 | "key type %s, value type %s, max elements %"PRIuSIZE".", |
0b3e7a8b AE |
606 | schema->name, column_name, type_name, |
607 | ovsdb_atomic_type_to_string(key_type), | |
608 | ovsdb_atomic_type_to_string(value_type), | |
609 | n_max); | |
610 | free(type_name); | |
94db5407 | 611 | } |
0b3e7a8b | 612 | return NULL; |
94db5407 BP |
613 | } |
614 | ||
0b3e7a8b AE |
615 | return &row->fields[column->index]; |
616 | } | |
617 | ||
cea15768 EJ |
618 | /* Read string-string key-values from a map. Returns the value associated with |
619 | * 'key', if found, or NULL */ | |
620 | static const char * | |
f125905c | 621 | read_map_string_column(const struct ovsdb_row *row, const char *column_name, |
cea15768 | 622 | const char *key) |
f125905c MM |
623 | { |
624 | const struct ovsdb_datum *datum; | |
625 | union ovsdb_atom *atom_key = NULL, *atom_value = NULL; | |
626 | size_t i; | |
627 | ||
ebc56baa BP |
628 | datum = get_datum(CONST_CAST(struct ovsdb_row *, row), column_name, |
629 | OVSDB_TYPE_STRING, OVSDB_TYPE_STRING, UINT_MAX); | |
f125905c MM |
630 | |
631 | if (!datum) { | |
cea15768 | 632 | return NULL; |
f125905c MM |
633 | } |
634 | ||
635 | for (i = 0; i < datum->n; i++) { | |
636 | atom_key = &datum->keys[i]; | |
637 | if (!strcmp(atom_key->string, key)){ | |
638 | atom_value = &datum->values[i]; | |
639 | break; | |
640 | } | |
641 | } | |
642 | ||
cea15768 | 643 | return atom_value ? atom_value->string : NULL; |
f125905c MM |
644 | } |
645 | ||
0b3e7a8b AE |
646 | static const union ovsdb_atom * |
647 | read_column(const struct ovsdb_row *row, const char *column_name, | |
648 | enum ovsdb_atomic_type type) | |
649 | { | |
650 | const struct ovsdb_datum *datum; | |
651 | ||
ebc56baa BP |
652 | datum = get_datum(CONST_CAST(struct ovsdb_row *, row), column_name, type, |
653 | OVSDB_TYPE_VOID, 1); | |
0b3e7a8b | 654 | return datum && datum->n ? datum->keys : NULL; |
94db5407 BP |
655 | } |
656 | ||
657 | static bool | |
658 | read_integer_column(const struct ovsdb_row *row, const char *column_name, | |
659 | long long int *integerp) | |
660 | { | |
661 | const union ovsdb_atom *atom; | |
662 | ||
663 | atom = read_column(row, column_name, OVSDB_TYPE_INTEGER); | |
664 | *integerp = atom ? atom->integer : 0; | |
665 | return atom != NULL; | |
666 | } | |
667 | ||
668 | static bool | |
669 | read_string_column(const struct ovsdb_row *row, const char *column_name, | |
670 | const char **stringp) | |
671 | { | |
672 | const union ovsdb_atom *atom; | |
673 | ||
674 | atom = read_column(row, column_name, OVSDB_TYPE_STRING); | |
e3c17733 | 675 | *stringp = atom ? atom->string : NULL; |
94db5407 BP |
676 | return atom != NULL; |
677 | } | |
678 | ||
0b3e7a8b AE |
679 | static void |
680 | write_bool_column(struct ovsdb_row *row, const char *column_name, bool value) | |
681 | { | |
c824c8a3 BP |
682 | const struct ovsdb_column *column; |
683 | struct ovsdb_datum *datum; | |
0b3e7a8b | 684 | |
c824c8a3 BP |
685 | column = ovsdb_table_schema_get_column(row->table->schema, column_name); |
686 | datum = get_datum(row, column_name, OVSDB_TYPE_BOOLEAN, | |
687 | OVSDB_TYPE_VOID, 1); | |
0b3e7a8b AE |
688 | if (!datum) { |
689 | return; | |
690 | } | |
c824c8a3 BP |
691 | |
692 | if (datum->n != 1) { | |
693 | ovsdb_datum_destroy(datum, &column->type); | |
694 | ||
695 | datum->n = 1; | |
696 | datum->keys = xmalloc(sizeof *datum->keys); | |
697 | datum->values = NULL; | |
698 | } | |
699 | ||
0b3e7a8b AE |
700 | datum->keys[0].boolean = value; |
701 | } | |
702 | ||
703 | static void | |
704 | write_string_string_column(struct ovsdb_row *row, const char *column_name, | |
705 | char **keys, char **values, size_t n) | |
706 | { | |
707 | const struct ovsdb_column *column; | |
708 | struct ovsdb_datum *datum; | |
709 | size_t i; | |
710 | ||
711 | column = ovsdb_table_schema_get_column(row->table->schema, column_name); | |
712 | datum = get_datum(row, column_name, OVSDB_TYPE_STRING, OVSDB_TYPE_STRING, | |
713 | UINT_MAX); | |
714 | if (!datum) { | |
bfe834eb BP |
715 | for (i = 0; i < n; i++) { |
716 | free(keys[i]); | |
717 | free(values[i]); | |
718 | } | |
0b3e7a8b AE |
719 | return; |
720 | } | |
721 | ||
722 | /* Free existing data. */ | |
723 | ovsdb_datum_destroy(datum, &column->type); | |
724 | ||
725 | /* Allocate space for new values. */ | |
726 | datum->n = n; | |
727 | datum->keys = xmalloc(n * sizeof *datum->keys); | |
728 | datum->values = xmalloc(n * sizeof *datum->values); | |
729 | ||
730 | for (i = 0; i < n; ++i) { | |
731 | datum->keys[i].string = keys[i]; | |
732 | datum->values[i].string = values[i]; | |
733 | } | |
734 | ||
735 | /* Sort and check constraints. */ | |
736 | ovsdb_datum_sort_assert(datum, column->type.key.type); | |
737 | } | |
738 | ||
94db5407 BP |
739 | /* Adds a remote and options to 'remotes', based on the Manager table row in |
740 | * 'row'. */ | |
741 | static void | |
742 | add_manager_options(struct shash *remotes, const struct ovsdb_row *row) | |
743 | { | |
744 | static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 1); | |
745 | struct ovsdb_jsonrpc_options *options; | |
746 | long long int max_backoff, probe_interval; | |
cea15768 | 747 | const char *target, *dscp_string; |
94db5407 BP |
748 | |
749 | if (!read_string_column(row, "target", &target) || !target) { | |
750 | VLOG_INFO_RL(&rl, "Table `%s' has missing or invalid `target' column", | |
751 | row->table->schema->name); | |
752 | return; | |
753 | } | |
754 | ||
755 | options = add_remote(remotes, target); | |
756 | if (read_integer_column(row, "max_backoff", &max_backoff)) { | |
757 | options->max_backoff = max_backoff; | |
758 | } | |
f441c1a8 | 759 | if (read_integer_column(row, "inactivity_probe", &probe_interval)) { |
94db5407 BP |
760 | options->probe_interval = probe_interval; |
761 | } | |
f125905c | 762 | |
cea15768 EJ |
763 | options->dscp = DSCP_DEFAULT; |
764 | dscp_string = read_map_string_column(row, "other_config", "dscp"); | |
765 | if (dscp_string) { | |
766 | int dscp = atoi(dscp_string); | |
767 | if (dscp >= 0 && dscp <= 63) { | |
768 | options->dscp = dscp; | |
769 | } | |
770 | } | |
94db5407 BP |
771 | } |
772 | ||
78876719 | 773 | static void |
eeb36a52 | 774 | query_db_remotes(const char *name, const struct shash *all_dbs, |
0a3b723b | 775 | struct shash *remotes, struct ds *errors) |
78876719 BP |
776 | { |
777 | const struct ovsdb_column *column; | |
778 | const struct ovsdb_table *table; | |
779 | const struct ovsdb_row *row; | |
b4e8d170 | 780 | const struct db *db; |
c02cf07b | 781 | char *retval; |
78876719 | 782 | |
eeb36a52 | 783 | retval = parse_db_column(all_dbs, name, &db, &table, &column); |
c02cf07b | 784 | if (retval) { |
0a3b723b BP |
785 | ds_put_format(errors, "%s\n", retval); |
786 | free(retval); | |
787 | return; | |
c02cf07b | 788 | } |
0b1fae1b | 789 | |
94db5407 BP |
790 | if (column->type.key.type == OVSDB_TYPE_STRING |
791 | && column->type.value.type == OVSDB_TYPE_VOID) { | |
792 | HMAP_FOR_EACH (row, hmap_node, &table->rows) { | |
793 | const struct ovsdb_datum *datum; | |
794 | size_t i; | |
795 | ||
796 | datum = &row->fields[column->index]; | |
797 | for (i = 0; i < datum->n; i++) { | |
798 | add_remote(remotes, datum->keys[i].string); | |
799 | } | |
800 | } | |
801 | } else if (column->type.key.type == OVSDB_TYPE_UUID | |
802 | && column->type.key.u.uuid.refTable | |
803 | && column->type.value.type == OVSDB_TYPE_VOID) { | |
804 | const struct ovsdb_table *ref_table = column->type.key.u.uuid.refTable; | |
805 | HMAP_FOR_EACH (row, hmap_node, &table->rows) { | |
806 | const struct ovsdb_datum *datum; | |
807 | size_t i; | |
808 | ||
809 | datum = &row->fields[column->index]; | |
810 | for (i = 0; i < datum->n; i++) { | |
811 | const struct ovsdb_row *ref_row; | |
0b1fae1b | 812 | |
94db5407 BP |
813 | ref_row = ovsdb_table_get_row(ref_table, &datum->keys[i].uuid); |
814 | if (ref_row) { | |
815 | add_manager_options(remotes, ref_row); | |
816 | } | |
817 | } | |
0b1fae1b BP |
818 | } |
819 | } | |
820 | } | |
821 | ||
0b3e7a8b AE |
822 | static void |
823 | update_remote_row(const struct ovsdb_row *row, struct ovsdb_txn *txn, | |
87fcbc60 | 824 | const struct ovsdb_jsonrpc_server *jsonrpc) |
0b3e7a8b | 825 | { |
87fcbc60 | 826 | struct ovsdb_jsonrpc_remote_status status; |
0b3e7a8b AE |
827 | struct ovsdb_row *rw_row; |
828 | const char *target; | |
798e1352 | 829 | char *keys[9], *values[9]; |
0b3e7a8b AE |
830 | size_t n = 0; |
831 | ||
832 | /* Get the "target" (protocol/host/port) spec. */ | |
833 | if (!read_string_column(row, "target", &target)) { | |
834 | /* Bad remote spec or incorrect schema. */ | |
835 | return; | |
836 | } | |
0b3e7a8b | 837 | rw_row = ovsdb_txn_row_modify(txn, row); |
87fcbc60 | 838 | ovsdb_jsonrpc_server_get_remote_status(jsonrpc, target, &status); |
0b3e7a8b AE |
839 | |
840 | /* Update status information columns. */ | |
87fcbc60 | 841 | write_bool_column(rw_row, "is_connected", status.is_connected); |
0b3e7a8b | 842 | |
87fcbc60 BP |
843 | if (status.state) { |
844 | keys[n] = xstrdup("state"); | |
845 | values[n++] = xstrdup(status.state); | |
846 | } | |
847 | if (status.sec_since_connect != UINT_MAX) { | |
5eda645e | 848 | keys[n] = xstrdup("sec_since_connect"); |
87fcbc60 | 849 | values[n++] = xasprintf("%u", status.sec_since_connect); |
5eda645e | 850 | } |
87fcbc60 | 851 | if (status.sec_since_disconnect != UINT_MAX) { |
5eda645e | 852 | keys[n] = xstrdup("sec_since_disconnect"); |
87fcbc60 | 853 | values[n++] = xasprintf("%u", status.sec_since_disconnect); |
5eda645e | 854 | } |
87fcbc60 | 855 | if (status.last_error) { |
0b3e7a8b AE |
856 | keys[n] = xstrdup("last_error"); |
857 | values[n++] = | |
87fcbc60 | 858 | xstrdup(ovs_retval_to_string(status.last_error)); |
0b3e7a8b | 859 | } |
da897f41 BP |
860 | if (status.locks_held && status.locks_held[0]) { |
861 | keys[n] = xstrdup("locks_held"); | |
862 | values[n++] = xstrdup(status.locks_held); | |
863 | } | |
864 | if (status.locks_waiting && status.locks_waiting[0]) { | |
865 | keys[n] = xstrdup("locks_waiting"); | |
866 | values[n++] = xstrdup(status.locks_waiting); | |
867 | } | |
868 | if (status.locks_lost && status.locks_lost[0]) { | |
869 | keys[n] = xstrdup("locks_lost"); | |
870 | values[n++] = xstrdup(status.locks_lost); | |
871 | } | |
a11f6164 BP |
872 | if (status.n_connections > 1) { |
873 | keys[n] = xstrdup("n_connections"); | |
874 | values[n++] = xasprintf("%d", status.n_connections); | |
875 | } | |
798e1352 BP |
876 | if (status.bound_port != htons(0)) { |
877 | keys[n] = xstrdup("bound_port"); | |
878 | values[n++] = xasprintf("%"PRIu16, ntohs(status.bound_port)); | |
879 | } | |
0b3e7a8b | 880 | write_string_string_column(rw_row, "status", keys, values, n); |
da897f41 BP |
881 | |
882 | ovsdb_jsonrpc_server_free_remote_status(&status); | |
0b3e7a8b AE |
883 | } |
884 | ||
885 | static void | |
eeb36a52 | 886 | update_remote_rows(const struct shash *all_dbs, |
87fcbc60 BP |
887 | const char *remote_name, |
888 | const struct ovsdb_jsonrpc_server *jsonrpc) | |
0b3e7a8b AE |
889 | { |
890 | const struct ovsdb_table *table, *ref_table; | |
891 | const struct ovsdb_column *column; | |
892 | const struct ovsdb_row *row; | |
b4e8d170 | 893 | const struct db *db; |
c02cf07b | 894 | char *retval; |
0b3e7a8b AE |
895 | |
896 | if (strncmp("db:", remote_name, 3)) { | |
897 | return; | |
898 | } | |
899 | ||
eeb36a52 | 900 | retval = parse_db_column(all_dbs, remote_name, &db, &table, &column); |
c02cf07b | 901 | if (retval) { |
0a3b723b BP |
902 | free(retval); |
903 | return; | |
c02cf07b | 904 | } |
0b3e7a8b AE |
905 | |
906 | if (column->type.key.type != OVSDB_TYPE_UUID | |
907 | || !column->type.key.u.uuid.refTable | |
908 | || column->type.value.type != OVSDB_TYPE_VOID) { | |
909 | return; | |
910 | } | |
911 | ||
912 | ref_table = column->type.key.u.uuid.refTable; | |
913 | ||
914 | HMAP_FOR_EACH (row, hmap_node, &table->rows) { | |
915 | const struct ovsdb_datum *datum; | |
916 | size_t i; | |
917 | ||
918 | datum = &row->fields[column->index]; | |
919 | for (i = 0; i < datum->n; i++) { | |
920 | const struct ovsdb_row *ref_row; | |
921 | ||
922 | ref_row = ovsdb_table_get_row(ref_table, &datum->keys[i].uuid); | |
923 | if (ref_row) { | |
b4e8d170 | 924 | update_remote_row(ref_row, db->txn, jsonrpc); |
0b3e7a8b AE |
925 | } |
926 | } | |
927 | } | |
928 | } | |
929 | ||
930 | static void | |
931 | update_remote_status(const struct ovsdb_jsonrpc_server *jsonrpc, | |
b4e8d170 | 932 | const struct sset *remotes, |
eeb36a52 | 933 | struct shash *all_dbs) |
0b3e7a8b AE |
934 | { |
935 | static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 1); | |
b3c01ed3 | 936 | const char *remote; |
eeb36a52 GS |
937 | struct db *db; |
938 | struct shash_node *node; | |
0b3e7a8b | 939 | |
eeb36a52 GS |
940 | SHASH_FOR_EACH(node, all_dbs) { |
941 | db = node->data; | |
942 | db->txn = ovsdb_txn_create(db->db); | |
b4e8d170 | 943 | } |
0b3e7a8b AE |
944 | |
945 | /* Iterate over --remote arguments given on command line. */ | |
b3c01ed3 | 946 | SSET_FOR_EACH (remote, remotes) { |
eeb36a52 | 947 | update_remote_rows(all_dbs, remote, jsonrpc); |
0b3e7a8b AE |
948 | } |
949 | ||
eeb36a52 GS |
950 | SHASH_FOR_EACH(node, all_dbs) { |
951 | struct ovsdb_error *error; | |
952 | db = node->data; | |
953 | error = ovsdb_txn_commit(db->txn, false); | |
b4e8d170 BP |
954 | if (error) { |
955 | VLOG_ERR_RL(&rl, "Failed to update remote status: %s", | |
956 | ovsdb_error_to_string(error)); | |
957 | ovsdb_error_destroy(error); | |
958 | } | |
0b3e7a8b | 959 | } |
0b3e7a8b AE |
960 | } |
961 | ||
0a3b723b BP |
962 | /* Reconfigures ovsdb-server's remotes based on information in the database. */ |
963 | static char * | |
964 | reconfigure_remotes(struct ovsdb_jsonrpc_server *jsonrpc, | |
eeb36a52 | 965 | const struct shash *all_dbs, struct sset *remotes) |
0b1fae1b | 966 | { |
0a3b723b | 967 | struct ds errors = DS_EMPTY_INITIALIZER; |
0b1fae1b | 968 | struct shash resolved_remotes; |
b3c01ed3 | 969 | const char *name; |
0b1fae1b | 970 | |
78876719 | 971 | /* Configure remotes. */ |
0b1fae1b | 972 | shash_init(&resolved_remotes); |
b3c01ed3 | 973 | SSET_FOR_EACH (name, remotes) { |
0b1fae1b | 974 | if (!strncmp(name, "db:", 3)) { |
0a3b723b | 975 | query_db_remotes(name, all_dbs, &resolved_remotes, &errors); |
0b1fae1b | 976 | } else { |
94db5407 | 977 | add_remote(&resolved_remotes, name); |
0b1fae1b BP |
978 | } |
979 | } | |
980 | ovsdb_jsonrpc_server_set_remotes(jsonrpc, &resolved_remotes); | |
88b64974 | 981 | shash_destroy_free_data(&resolved_remotes); |
0b1fae1b | 982 | |
0a3b723b BP |
983 | return errors.string; |
984 | } | |
985 | ||
986 | static char * | |
987 | reconfigure_ssl(const struct shash *all_dbs) | |
988 | { | |
989 | struct ds errors = DS_EMPTY_INITIALIZER; | |
990 | const char *resolved_private_key; | |
991 | const char *resolved_certificate; | |
992 | const char *resolved_ca_cert; | |
993 | ||
994 | resolved_private_key = query_db_string(all_dbs, private_key_file, &errors); | |
995 | resolved_certificate = query_db_string(all_dbs, certificate_file, &errors); | |
996 | resolved_ca_cert = query_db_string(all_dbs, ca_cert_file, &errors); | |
997 | ||
998 | stream_ssl_set_key_and_cert(resolved_private_key, resolved_certificate); | |
999 | stream_ssl_set_ca_cert_file(resolved_ca_cert, bootstrap_ca_cert); | |
1000 | ||
1001 | return errors.string; | |
1002 | } | |
1003 | ||
1004 | static void | |
1005 | report_error_if_changed(char *error, char **last_errorp) | |
1006 | { | |
1007 | if (error) { | |
1008 | if (!*last_errorp || strcmp(error, *last_errorp)) { | |
1009 | VLOG_WARN("%s", error); | |
1010 | free(*last_errorp); | |
1011 | *last_errorp = error; | |
1012 | return; | |
1013 | } | |
1014 | free(error); | |
1015 | } else { | |
1016 | free(*last_errorp); | |
1017 | *last_errorp = NULL; | |
1018 | } | |
78876719 | 1019 | } |
0b1fae1b | 1020 | |
aa78de9d | 1021 | static void |
0e15264f BP |
1022 | ovsdb_server_exit(struct unixctl_conn *conn, int argc OVS_UNUSED, |
1023 | const char *argv[] OVS_UNUSED, | |
aa78de9d BP |
1024 | void *exiting_) |
1025 | { | |
1026 | bool *exiting = exiting_; | |
1027 | *exiting = true; | |
bde9f75d | 1028 | unixctl_command_reply(conn, NULL); |
97a3c435 AZ |
1029 | } |
1030 | ||
1031 | static void | |
1032 | ovsdb_server_perf_counters_show(struct unixctl_conn *conn, int argc OVS_UNUSED, | |
1033 | const char *argv[] OVS_UNUSED, | |
1034 | void *arg_ OVS_UNUSED) | |
1035 | { | |
1036 | char *s = perf_counters_to_string(); | |
1037 | ||
1038 | unixctl_command_reply(conn, s); | |
1039 | free(s); | |
1040 | } | |
1041 | ||
1042 | static void | |
1043 | ovsdb_server_perf_counters_clear(struct unixctl_conn *conn, int argc OVS_UNUSED, | |
1044 | const char *argv[] OVS_UNUSED, | |
1045 | void *arg_ OVS_UNUSED) | |
1046 | { | |
1047 | perf_counters_clear(); | |
1048 | unixctl_command_reply(conn, NULL); | |
aa78de9d BP |
1049 | } |
1050 | ||
c383f3bf | 1051 | /* "ovsdb-server/disable-monitor-cond": makes ovsdb-server drop all of its |
e47cb14c | 1052 | * JSON-RPC connections and reconnect. New sessions will not recognize |
c383f3bf | 1053 | * the 'monitor_cond' method. */ |
e47cb14c | 1054 | static void |
c383f3bf LS |
1055 | ovsdb_server_disable_monitor_cond(struct unixctl_conn *conn, |
1056 | int argc OVS_UNUSED, | |
1057 | const char *argv[] OVS_UNUSED, | |
1058 | void *jsonrpc_) | |
e47cb14c AZ |
1059 | { |
1060 | struct ovsdb_jsonrpc_server *jsonrpc = jsonrpc_; | |
1061 | ||
c383f3bf | 1062 | ovsdb_jsonrpc_disable_monitor_cond(); |
e47cb14c AZ |
1063 | ovsdb_jsonrpc_server_reconnect(jsonrpc); |
1064 | unixctl_command_reply(conn, NULL); | |
1065 | } | |
1066 | ||
ada496b5 | 1067 | static void |
b4e8d170 BP |
1068 | ovsdb_server_compact(struct unixctl_conn *conn, int argc, |
1069 | const char *argv[], void *dbs_) | |
ada496b5 | 1070 | { |
eeb36a52 | 1071 | struct shash *all_dbs = dbs_; |
b4e8d170 BP |
1072 | struct ds reply; |
1073 | struct db *db; | |
eeb36a52 | 1074 | struct shash_node *node; |
b4e8d170 | 1075 | int n = 0; |
ada496b5 | 1076 | |
b4e8d170 | 1077 | ds_init(&reply); |
eeb36a52 GS |
1078 | SHASH_FOR_EACH(node, all_dbs) { |
1079 | const char *name; | |
1080 | ||
1081 | db = node->data; | |
1082 | name = db->db->schema->name; | |
b4e8d170 BP |
1083 | |
1084 | if (argc < 2 || !strcmp(argv[1], name)) { | |
1085 | struct ovsdb_error *error; | |
1086 | ||
1087 | VLOG_INFO("compacting %s database by user request", name); | |
1088 | ||
1089 | error = ovsdb_file_compact(db->file); | |
1090 | if (error) { | |
1091 | char *s = ovsdb_error_to_string(error); | |
1092 | ds_put_format(&reply, "%s\n", s); | |
1093 | free(s); | |
9c0639a4 | 1094 | ovsdb_error_destroy(error); |
b4e8d170 BP |
1095 | } |
1096 | ||
1097 | n++; | |
1098 | } | |
1099 | } | |
1100 | ||
1101 | if (!n) { | |
1102 | unixctl_command_reply_error(conn, "no database by that name"); | |
1103 | } else if (reply.length) { | |
1104 | unixctl_command_reply_error(conn, ds_cstr(&reply)); | |
ada496b5 | 1105 | } else { |
b4e8d170 | 1106 | unixctl_command_reply(conn, NULL); |
ada496b5 | 1107 | } |
b4e8d170 | 1108 | ds_destroy(&reply); |
ada496b5 BP |
1109 | } |
1110 | ||
31d0b6c9 BP |
1111 | /* "ovsdb-server/reconnect": makes ovsdb-server drop all of its JSON-RPC |
1112 | * connections and reconnect. */ | |
1113 | static void | |
0e15264f BP |
1114 | ovsdb_server_reconnect(struct unixctl_conn *conn, int argc OVS_UNUSED, |
1115 | const char *argv[] OVS_UNUSED, void *jsonrpc_) | |
31d0b6c9 BP |
1116 | { |
1117 | struct ovsdb_jsonrpc_server *jsonrpc = jsonrpc_; | |
1118 | ||
1119 | ovsdb_jsonrpc_server_reconnect(jsonrpc); | |
bde9f75d | 1120 | unixctl_command_reply(conn, NULL); |
31d0b6c9 BP |
1121 | } |
1122 | ||
b421d2af BP |
1123 | /* "ovsdb-server/add-remote REMOTE": adds REMOTE to the set of remotes that |
1124 | * ovsdb-server services. */ | |
1125 | static void | |
1126 | ovsdb_server_add_remote(struct unixctl_conn *conn, int argc OVS_UNUSED, | |
0a3b723b | 1127 | const char *argv[], void *config_) |
b421d2af | 1128 | { |
0a3b723b | 1129 | struct server_config *config = config_; |
b421d2af BP |
1130 | const char *remote = argv[1]; |
1131 | ||
1132 | const struct ovsdb_column *column; | |
1133 | const struct ovsdb_table *table; | |
1134 | const struct db *db; | |
1135 | char *retval; | |
1136 | ||
1137 | retval = (strncmp("db:", remote, 3) | |
1138 | ? NULL | |
0a3b723b | 1139 | : parse_db_column(config->all_dbs, remote, |
b421d2af BP |
1140 | &db, &table, &column)); |
1141 | if (!retval) { | |
0a3b723b BP |
1142 | if (sset_add(config->remotes, remote)) { |
1143 | save_config(config); | |
5f36127e | 1144 | } |
b421d2af BP |
1145 | unixctl_command_reply(conn, NULL); |
1146 | } else { | |
1147 | unixctl_command_reply_error(conn, retval); | |
1148 | free(retval); | |
1149 | } | |
1150 | } | |
1151 | ||
1152 | /* "ovsdb-server/remove-remote REMOTE": removes REMOTE frmo the set of remotes | |
1153 | * that ovsdb-server services. */ | |
1154 | static void | |
1155 | ovsdb_server_remove_remote(struct unixctl_conn *conn, int argc OVS_UNUSED, | |
0a3b723b | 1156 | const char *argv[], void *config_) |
b421d2af | 1157 | { |
0a3b723b | 1158 | struct server_config *config = config_; |
b421d2af BP |
1159 | struct sset_node *node; |
1160 | ||
0a3b723b | 1161 | node = sset_find(config->remotes, argv[1]); |
b421d2af | 1162 | if (node) { |
0a3b723b BP |
1163 | sset_delete(config->remotes, node); |
1164 | save_config(config); | |
b421d2af BP |
1165 | unixctl_command_reply(conn, NULL); |
1166 | } else { | |
1167 | unixctl_command_reply_error(conn, "no such remote"); | |
1168 | } | |
1169 | } | |
1170 | ||
1171 | /* "ovsdb-server/list-remotes": outputs a list of configured rmeotes. */ | |
1172 | static void | |
1173 | ovsdb_server_list_remotes(struct unixctl_conn *conn, int argc OVS_UNUSED, | |
1174 | const char *argv[] OVS_UNUSED, void *remotes_) | |
1175 | { | |
1176 | struct sset *remotes = remotes_; | |
1177 | const char **list, **p; | |
1178 | struct ds s; | |
1179 | ||
1180 | ds_init(&s); | |
1181 | ||
1182 | list = sset_sort(remotes); | |
1183 | for (p = list; *p; p++) { | |
1184 | ds_put_format(&s, "%s\n", *p); | |
1185 | } | |
1186 | free(list); | |
1187 | ||
1188 | unixctl_command_reply(conn, ds_cstr(&s)); | |
1189 | ds_destroy(&s); | |
1190 | } | |
1191 | ||
0a3b723b BP |
1192 | |
1193 | /* "ovsdb-server/add-db DB": adds the DB to ovsdb-server. */ | |
1194 | static void | |
1195 | ovsdb_server_add_database(struct unixctl_conn *conn, int argc OVS_UNUSED, | |
1196 | const char *argv[], void *config_) | |
1197 | { | |
1198 | struct server_config *config = config_; | |
1199 | const char *filename = argv[1]; | |
1200 | char *error; | |
1201 | ||
1202 | error = open_db(config, filename); | |
1203 | if (!error) { | |
1204 | save_config(config); | |
1205 | unixctl_command_reply(conn, NULL); | |
1206 | } else { | |
1207 | unixctl_command_reply_error(conn, error); | |
1208 | free(error); | |
1209 | } | |
1210 | } | |
1211 | ||
1212 | static void | |
1213 | ovsdb_server_remove_database(struct unixctl_conn *conn, int argc OVS_UNUSED, | |
1214 | const char *argv[], void *config_) | |
1215 | { | |
1216 | struct server_config *config = config_; | |
1217 | struct shash_node *node; | |
1218 | struct db *db; | |
1219 | bool ok; | |
1220 | ||
1221 | node = shash_find(config->all_dbs, argv[1]); | |
1222 | if (!node) { | |
1223 | unixctl_command_reply_error(conn, "Failed to find the database."); | |
1224 | return; | |
1225 | } | |
1226 | db = node->data; | |
1227 | ||
1228 | ok = ovsdb_jsonrpc_server_remove_db(config->jsonrpc, db->db); | |
1229 | ovs_assert(ok); | |
1230 | ||
03093a4f | 1231 | close_db(db); |
0a3b723b | 1232 | shash_delete(config->all_dbs, node); |
0a3b723b BP |
1233 | |
1234 | save_config(config); | |
1235 | unixctl_command_reply(conn, NULL); | |
1236 | } | |
1237 | ||
1238 | static void | |
1239 | ovsdb_server_list_databases(struct unixctl_conn *conn, int argc OVS_UNUSED, | |
1240 | const char *argv[] OVS_UNUSED, void *all_dbs_) | |
1241 | { | |
1242 | struct shash *all_dbs = all_dbs_; | |
1243 | const struct shash_node **nodes; | |
1244 | struct ds s; | |
1245 | size_t i; | |
1246 | ||
1247 | ds_init(&s); | |
1248 | ||
1249 | nodes = shash_sort(all_dbs); | |
1250 | for (i = 0; i < shash_count(all_dbs); i++) { | |
1251 | struct db *db = nodes[i]->data; | |
1252 | ds_put_format(&s, "%s\n", db->db->schema->name); | |
1253 | } | |
1254 | free(nodes); | |
1255 | ||
1256 | unixctl_command_reply(conn, ds_cstr(&s)); | |
1257 | ds_destroy(&s); | |
1258 | } | |
1259 | ||
f85f8ebb | 1260 | static void |
b4e8d170 BP |
1261 | parse_options(int *argcp, char **argvp[], |
1262 | struct sset *remotes, char **unixctl_pathp, char **run_command) | |
f85f8ebb BP |
1263 | { |
1264 | enum { | |
06834871 | 1265 | OPT_REMOTE = UCHAR_MAX + 1, |
aa78de9d | 1266 | OPT_UNIXCTL, |
475afa1b | 1267 | OPT_RUN, |
9467fe62 | 1268 | OPT_BOOTSTRAP_CA_CERT, |
5bf6cbd6 | 1269 | OPT_PEER_CA_CERT, |
ae671c5f | 1270 | OPT_SYNC_FROM, |
7a9d65d2 | 1271 | OPT_SYNC_EXCLUDE, |
f85f8ebb | 1272 | VLOG_OPTION_ENUMS, |
8274ae95 | 1273 | DAEMON_OPTION_ENUMS |
f85f8ebb | 1274 | }; |
07fc4ed3 | 1275 | static const struct option long_options[] = { |
e3c17733 BP |
1276 | {"remote", required_argument, NULL, OPT_REMOTE}, |
1277 | {"unixctl", required_argument, NULL, OPT_UNIXCTL}, | |
41064650 | 1278 | #ifndef _WIN32 |
e3c17733 | 1279 | {"run", required_argument, NULL, OPT_RUN}, |
41064650 | 1280 | #endif |
e3c17733 BP |
1281 | {"help", no_argument, NULL, 'h'}, |
1282 | {"version", no_argument, NULL, 'V'}, | |
f85f8ebb BP |
1283 | DAEMON_LONG_OPTIONS, |
1284 | VLOG_LONG_OPTIONS, | |
e3c17733 | 1285 | {"bootstrap-ca-cert", required_argument, NULL, OPT_BOOTSTRAP_CA_CERT}, |
5bf6cbd6 | 1286 | {"peer-ca-cert", required_argument, NULL, OPT_PEER_CA_CERT}, |
e3c17733 BP |
1287 | {"private-key", required_argument, NULL, 'p'}, |
1288 | {"certificate", required_argument, NULL, 'c'}, | |
1289 | {"ca-cert", required_argument, NULL, 'C'}, | |
ae671c5f | 1290 | {"sync-from", required_argument, NULL, OPT_SYNC_FROM}, |
7a9d65d2 | 1291 | {"sync-exclude-tables", required_argument, NULL, OPT_SYNC_EXCLUDE}, |
e3c17733 | 1292 | {NULL, 0, NULL, 0}, |
f85f8ebb | 1293 | }; |
5f383751 | 1294 | char *short_options = ovs_cmdl_long_options_to_short_options(long_options); |
b4e8d170 BP |
1295 | int argc = *argcp; |
1296 | char **argv = *argvp; | |
f85f8ebb | 1297 | |
b3c01ed3 | 1298 | sset_init(remotes); |
f85f8ebb BP |
1299 | for (;;) { |
1300 | int c; | |
1301 | ||
1302 | c = getopt_long(argc, argv, short_options, long_options, NULL); | |
1303 | if (c == -1) { | |
1304 | break; | |
1305 | } | |
1306 | ||
1307 | switch (c) { | |
0b1fae1b | 1308 | case OPT_REMOTE: |
b3c01ed3 | 1309 | sset_add(remotes, optarg); |
f85f8ebb BP |
1310 | break; |
1311 | ||
aa78de9d BP |
1312 | case OPT_UNIXCTL: |
1313 | *unixctl_pathp = optarg; | |
1314 | break; | |
1315 | ||
475afa1b BP |
1316 | case OPT_RUN: |
1317 | *run_command = optarg; | |
1318 | break; | |
1319 | ||
f85f8ebb BP |
1320 | case 'h': |
1321 | usage(); | |
1322 | ||
1323 | case 'V': | |
55d5bb44 | 1324 | ovs_print_version(0, 0); |
f85f8ebb BP |
1325 | exit(EXIT_SUCCESS); |
1326 | ||
1327 | VLOG_OPTION_HANDLERS | |
1328 | DAEMON_OPTION_HANDLERS | |
f85f8ebb | 1329 | |
78876719 BP |
1330 | case 'p': |
1331 | private_key_file = optarg; | |
1332 | break; | |
1333 | ||
1334 | case 'c': | |
1335 | certificate_file = optarg; | |
1336 | break; | |
1337 | ||
1338 | case 'C': | |
1339 | ca_cert_file = optarg; | |
1340 | bootstrap_ca_cert = false; | |
1341 | break; | |
9467fe62 BP |
1342 | |
1343 | case OPT_BOOTSTRAP_CA_CERT: | |
78876719 BP |
1344 | ca_cert_file = optarg; |
1345 | bootstrap_ca_cert = true; | |
9467fe62 | 1346 | break; |
9467fe62 | 1347 | |
5bf6cbd6 GS |
1348 | case OPT_PEER_CA_CERT: |
1349 | stream_ssl_set_peer_ca_cert_file(optarg); | |
1350 | break; | |
1351 | ||
ae671c5f MC |
1352 | case OPT_SYNC_FROM: |
1353 | set_remote_ovsdb_server(optarg); | |
1354 | connect_to_remote_server = true; | |
1355 | break; | |
1356 | ||
7a9d65d2 MC |
1357 | case OPT_SYNC_EXCLUDE: |
1358 | set_tables_blacklist(optarg); | |
1359 | break; | |
1360 | ||
f85f8ebb BP |
1361 | case '?': |
1362 | exit(EXIT_FAILURE); | |
1363 | ||
1364 | default: | |
1365 | abort(); | |
1366 | } | |
1367 | } | |
1368 | free(short_options); | |
1369 | ||
b4e8d170 BP |
1370 | *argcp -= optind; |
1371 | *argvp += optind; | |
f85f8ebb BP |
1372 | } |
1373 | ||
1374 | static void | |
1375 | usage(void) | |
1376 | { | |
1377 | printf("%s: Open vSwitch database server\n" | |
b4e8d170 BP |
1378 | "usage: %s [OPTIONS] [DATABASE...]\n" |
1379 | "where each DATABASE is a database file in ovsdb format.\n" | |
1380 | "The default DATABASE, if none is given, is\n%s/conf.db.\n", | |
1381 | program_name, program_name, ovs_dbdir()); | |
f85f8ebb | 1382 | printf("\nJSON-RPC options (may be specified any number of times):\n" |
0b1fae1b | 1383 | " --remote=REMOTE connect or listen to REMOTE\n"); |
9467fe62 | 1384 | stream_usage("JSON-RPC", true, true, true); |
f85f8ebb BP |
1385 | daemon_usage(); |
1386 | vlog_usage(); | |
ae671c5f | 1387 | replication_usage(); |
f85f8ebb | 1388 | printf("\nOther options:\n" |
475afa1b | 1389 | " --run COMMAND run COMMAND as subprocess then exit\n" |
7b38bdc8 | 1390 | " --unixctl=SOCKET override default control socket name\n" |
f85f8ebb BP |
1391 | " -h, --help display this help message\n" |
1392 | " -V, --version display version information\n"); | |
f85f8ebb BP |
1393 | exit(EXIT_SUCCESS); |
1394 | } | |
5f36127e | 1395 | \f |
0a3b723b BP |
1396 | static struct json * |
1397 | sset_to_json(const struct sset *sset) | |
1398 | { | |
1399 | struct json *array; | |
1400 | const char *s; | |
1401 | ||
1402 | array = json_array_create_empty(); | |
1403 | SSET_FOR_EACH (s, sset) { | |
1404 | json_array_add(array, json_string_create(s)); | |
1405 | } | |
1406 | return array; | |
1407 | } | |
1408 | ||
1409 | /* Truncates and replaces the contents of 'config_file' by a representation of | |
1410 | * 'remotes' and 'db_filenames'. */ | |
5f36127e | 1411 | static void |
0a3b723b BP |
1412 | save_config__(FILE *config_file, const struct sset *remotes, |
1413 | const struct sset *db_filenames) | |
5f36127e | 1414 | { |
0a3b723b | 1415 | struct json *obj; |
5f36127e BP |
1416 | char *s; |
1417 | ||
1418 | if (ftruncate(fileno(config_file), 0) == -1) { | |
10a89ef0 BP |
1419 | VLOG_FATAL("failed to truncate temporary file (%s)", |
1420 | ovs_strerror(errno)); | |
5f36127e BP |
1421 | } |
1422 | ||
0a3b723b BP |
1423 | obj = json_object_create(); |
1424 | json_object_put(obj, "remotes", sset_to_json(remotes)); | |
1425 | json_object_put(obj, "db_filenames", sset_to_json(db_filenames)); | |
1426 | s = json_to_string(obj, 0); | |
1427 | json_destroy(obj); | |
5f36127e BP |
1428 | |
1429 | if (fseek(config_file, 0, SEEK_SET) != 0 | |
1430 | || fputs(s, config_file) == EOF | |
1431 | || fflush(config_file) == EOF) { | |
10a89ef0 | 1432 | VLOG_FATAL("failed to write temporary file (%s)", ovs_strerror(errno)); |
5f36127e BP |
1433 | } |
1434 | free(s); | |
1435 | } | |
1436 | ||
0a3b723b BP |
1437 | /* Truncates and replaces the contents of 'config_file' by a representation of |
1438 | * 'config'. */ | |
5f36127e | 1439 | static void |
0a3b723b BP |
1440 | save_config(struct server_config *config) |
1441 | { | |
1442 | struct sset db_filenames; | |
1443 | struct shash_node *node; | |
1444 | ||
1445 | sset_init(&db_filenames); | |
1446 | SHASH_FOR_EACH (node, config->all_dbs) { | |
1447 | struct db *db = node->data; | |
1448 | sset_add(&db_filenames, db->filename); | |
1449 | } | |
1450 | ||
1451 | save_config__(config->config_tmpfile, config->remotes, &db_filenames); | |
1452 | ||
1453 | sset_destroy(&db_filenames); | |
1454 | } | |
1455 | ||
1456 | static void | |
1457 | sset_from_json(struct sset *sset, const struct json *array) | |
5f36127e | 1458 | { |
5f36127e BP |
1459 | size_t i; |
1460 | ||
0a3b723b BP |
1461 | sset_clear(sset); |
1462 | ||
1463 | ovs_assert(array->type == JSON_ARRAY); | |
1464 | for (i = 0; i < array->u.array.n; i++) { | |
1465 | const struct json *elem = array->u.array.elems[i]; | |
1466 | sset_add(sset, json_string(elem)); | |
1467 | } | |
1468 | } | |
1469 | ||
1470 | /* Clears and replaces 'remotes' and 'dbnames' by a configuration read from | |
1471 | * 'config_file', which must have been previously written by save_config(). */ | |
1472 | static void | |
1473 | load_config(FILE *config_file, struct sset *remotes, struct sset *db_filenames) | |
1474 | { | |
1475 | struct json *json; | |
5f36127e BP |
1476 | |
1477 | if (fseek(config_file, 0, SEEK_SET) != 0) { | |
10a89ef0 | 1478 | VLOG_FATAL("seek failed in temporary file (%s)", ovs_strerror(errno)); |
5f36127e BP |
1479 | } |
1480 | json = json_from_stream(config_file); | |
1481 | if (json->type == JSON_STRING) { | |
1482 | VLOG_FATAL("reading json failed (%s)", json_string(json)); | |
1483 | } | |
0a3b723b BP |
1484 | ovs_assert(json->type == JSON_OBJECT); |
1485 | ||
1486 | sset_from_json(remotes, shash_find_data(json_object(json), "remotes")); | |
1487 | sset_from_json(db_filenames, | |
1488 | shash_find_data(json_object(json), "db_filenames")); | |
5f36127e BP |
1489 | json_destroy(json); |
1490 | } |