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3109b4e1 | 1 | /* Copyright (c) 2009, 2010, 2011, 2012, 2013, 2014, 2016 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" |
ee89ea7b | 33 | #include "openvswitch/json.h" |
f85f8ebb BP |
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" |
ee89ea7b | 48 | #include "openvswitch/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 | |
6ab3dd96 AZ |
63 | struct db { |
64 | /* Initialized in main(). */ | |
65 | char *filename; | |
66 | struct ovsdb_file *file; | |
67 | struct ovsdb *db; | |
68 | ||
69 | /* Only used by update_remote_status(). */ | |
70 | struct ovsdb_txn *txn; | |
71 | }; | |
b4e8d170 | 72 | |
78876719 BP |
73 | /* SSL configuration. */ |
74 | static char *private_key_file; | |
75 | static char *certificate_file; | |
76 | static char *ca_cert_file; | |
77 | static bool bootstrap_ca_cert; | |
78 | ||
aa78de9d | 79 | static unixctl_cb_func ovsdb_server_exit; |
ada496b5 | 80 | static unixctl_cb_func ovsdb_server_compact; |
31d0b6c9 | 81 | static unixctl_cb_func ovsdb_server_reconnect; |
97a3c435 AZ |
82 | static unixctl_cb_func ovsdb_server_perf_counters_clear; |
83 | static unixctl_cb_func ovsdb_server_perf_counters_show; | |
c383f3bf | 84 | static unixctl_cb_func ovsdb_server_disable_monitor_cond; |
f53d7518 AZ |
85 | static unixctl_cb_func ovsdb_server_set_active_ovsdb_server; |
86 | static unixctl_cb_func ovsdb_server_get_active_ovsdb_server; | |
87 | static unixctl_cb_func ovsdb_server_connect_active_ovsdb_server; | |
88 | static unixctl_cb_func ovsdb_server_disconnect_active_ovsdb_server; | |
60e0cd04 AZ |
89 | static unixctl_cb_func ovsdb_server_set_sync_exclude_tables; |
90 | static unixctl_cb_func ovsdb_server_get_sync_exclude_tables; | |
91 | static unixctl_cb_func ovsdb_server_get_sync_status; | |
aa78de9d | 92 | |
0a3b723b | 93 | struct server_config { |
b421d2af | 94 | struct sset *remotes; |
eeb36a52 | 95 | struct shash *all_dbs; |
5f36127e | 96 | FILE *config_tmpfile; |
60e0cd04 AZ |
97 | char **sync_from; |
98 | char **sync_exclude; | |
99 | bool *is_backup; | |
0a3b723b | 100 | struct ovsdb_jsonrpc_server *jsonrpc; |
b421d2af BP |
101 | }; |
102 | static unixctl_cb_func ovsdb_server_add_remote; | |
103 | static unixctl_cb_func ovsdb_server_remove_remote; | |
104 | static unixctl_cb_func ovsdb_server_list_remotes; | |
105 | ||
0a3b723b BP |
106 | static unixctl_cb_func ovsdb_server_add_database; |
107 | static unixctl_cb_func ovsdb_server_remove_database; | |
108 | static unixctl_cb_func ovsdb_server_list_databases; | |
109 | ||
110 | static char *open_db(struct server_config *config, const char *filename); | |
03093a4f | 111 | static void close_db(struct db *db); |
eeb36a52 | 112 | |
b4e8d170 | 113 | static void parse_options(int *argc, char **argvp[], |
b3c01ed3 | 114 | struct sset *remotes, char **unixctl_pathp, |
60e0cd04 AZ |
115 | char **run_command, char **sync_from, |
116 | char **sync_exclude, bool *is_backup); | |
cab50449 | 117 | OVS_NO_RETURN static void usage(void); |
f85f8ebb | 118 | |
0a3b723b BP |
119 | static char *reconfigure_remotes(struct ovsdb_jsonrpc_server *, |
120 | const struct shash *all_dbs, | |
121 | struct sset *remotes); | |
122 | static char *reconfigure_ssl(const struct shash *all_dbs); | |
123 | static void report_error_if_changed(char *error, char **last_errorp); | |
0b1fae1b | 124 | |
0b3e7a8b | 125 | static void update_remote_status(const struct ovsdb_jsonrpc_server *jsonrpc, |
b3c01ed3 | 126 | const struct sset *remotes, |
eeb36a52 | 127 | struct shash *all_dbs); |
0b3e7a8b | 128 | |
0a3b723b | 129 | static void save_config__(FILE *config_file, const struct sset *remotes, |
60e0cd04 AZ |
130 | const struct sset *db_filenames, |
131 | const char *sync_from, const char *sync_exclude, | |
132 | bool is_backup); | |
0a3b723b BP |
133 | static void save_config(struct server_config *); |
134 | static void load_config(FILE *config_file, struct sset *remotes, | |
60e0cd04 AZ |
135 | struct sset *db_filenames, char **sync_from, |
136 | char **sync_exclude, bool *is_backup); | |
5f36127e | 137 | |
6ab3dd96 | 138 | static void |
60e0cd04 AZ |
139 | ovsdb_replication_init(const char *sync_from, const char *exclude, |
140 | struct shash *all_dbs) | |
6ab3dd96 | 141 | { |
60e0cd04 | 142 | replication_init(sync_from, exclude); |
6ab3dd96 AZ |
143 | struct shash_node *node; |
144 | SHASH_FOR_EACH (node, all_dbs) { | |
145 | struct db *db = node->data; | |
23c16b51 | 146 | replication_add_local_db(db->db->schema->name, db->db); |
6ab3dd96 AZ |
147 | } |
148 | } | |
149 | ||
513a3f64 ES |
150 | static void |
151 | main_loop(struct ovsdb_jsonrpc_server *jsonrpc, struct shash *all_dbs, | |
152 | struct unixctl_server *unixctl, struct sset *remotes, | |
60e0cd04 | 153 | struct process *run_process, bool *exiting, bool *is_backup) |
513a3f64 ES |
154 | { |
155 | char *remotes_error, *ssl_error; | |
156 | struct shash_node *node; | |
157 | long long int status_timer = LLONG_MIN; | |
60e0cd04 | 158 | bool last_role = *is_backup; |
513a3f64 ES |
159 | |
160 | *exiting = false; | |
161 | ssl_error = NULL; | |
162 | remotes_error = NULL; | |
163 | while (!*exiting) { | |
164 | memory_run(); | |
165 | if (memory_should_report()) { | |
166 | struct simap usage; | |
167 | ||
168 | simap_init(&usage); | |
169 | ovsdb_jsonrpc_server_get_memory_usage(jsonrpc, &usage); | |
e0c73ed1 | 170 | ovsdb_monitor_get_memory_usage(&usage); |
513a3f64 ES |
171 | SHASH_FOR_EACH(node, all_dbs) { |
172 | struct db *db = node->data; | |
173 | ovsdb_get_memory_usage(db->db, &usage); | |
174 | } | |
175 | memory_report(&usage); | |
176 | simap_destroy(&usage); | |
177 | } | |
178 | ||
179 | /* Run unixctl_server_run() before reconfigure_remotes() because | |
180 | * ovsdb-server/add-remote and ovsdb-server/remove-remote can change | |
181 | * the set of remotes that reconfigure_remotes() uses. */ | |
182 | unixctl_server_run(unixctl); | |
183 | ||
60e0cd04 AZ |
184 | /* In ovsdb-server's role (active or backup) has changed, restart |
185 | * the ovsdb jsonrpc server. */ | |
186 | if (last_role != *is_backup) { | |
187 | bool read_only = last_role = *is_backup; | |
188 | ovsdb_jsonrpc_server_reconnect(jsonrpc, read_only); | |
e51879e9 AZ |
189 | } |
190 | ||
513a3f64 ES |
191 | report_error_if_changed( |
192 | reconfigure_remotes(jsonrpc, all_dbs, remotes), | |
193 | &remotes_error); | |
194 | report_error_if_changed(reconfigure_ssl(all_dbs), &ssl_error); | |
195 | ovsdb_jsonrpc_server_run(jsonrpc); | |
196 | ||
60e0cd04 | 197 | if (*is_backup) { |
23c16b51 AZ |
198 | replication_run(); |
199 | if (!replication_is_alive()) { | |
200 | int retval = replication_get_last_error(); | |
201 | ovs_fatal(retval, "replication connection failed"); | |
202 | } | |
ae671c5f MC |
203 | } |
204 | ||
513a3f64 ES |
205 | SHASH_FOR_EACH(node, all_dbs) { |
206 | struct db *db = node->data; | |
207 | ovsdb_trigger_run(db->db, time_msec()); | |
208 | } | |
209 | if (run_process) { | |
210 | process_run(); | |
211 | if (process_exited(run_process)) { | |
212 | *exiting = true; | |
213 | } | |
214 | } | |
215 | ||
ae671c5f | 216 | /* update Manager status(es) every 2.5 seconds */ |
513a3f64 | 217 | if (time_msec() >= status_timer) { |
ae671c5f | 218 | status_timer = time_msec() + 2500; |
513a3f64 ES |
219 | update_remote_status(jsonrpc, remotes, all_dbs); |
220 | } | |
221 | ||
222 | memory_wait(); | |
60e0cd04 | 223 | if (*is_backup) { |
8c945cec AZ |
224 | replication_wait(); |
225 | } | |
23c16b51 | 226 | |
513a3f64 ES |
227 | ovsdb_jsonrpc_server_wait(jsonrpc); |
228 | unixctl_server_wait(unixctl); | |
229 | SHASH_FOR_EACH(node, all_dbs) { | |
230 | struct db *db = node->data; | |
231 | ovsdb_trigger_wait(db->db, time_msec()); | |
232 | } | |
233 | if (run_process) { | |
234 | process_wait(run_process); | |
235 | } | |
236 | if (*exiting) { | |
237 | poll_immediate_wake(); | |
238 | } | |
239 | poll_timer_wait_until(status_timer); | |
240 | poll_block(); | |
241 | if (should_service_stop()) { | |
242 | *exiting = true; | |
243 | } | |
244 | } | |
245 | ||
b396293a | 246 | free(remotes_error); |
513a3f64 ES |
247 | } |
248 | ||
f85f8ebb BP |
249 | int |
250 | main(int argc, char *argv[]) | |
251 | { | |
aa78de9d | 252 | char *unixctl_path = NULL; |
475afa1b | 253 | char *run_command = NULL; |
f85f8ebb BP |
254 | struct unixctl_server *unixctl; |
255 | struct ovsdb_jsonrpc_server *jsonrpc; | |
0a3b723b | 256 | struct sset remotes, db_filenames; |
60e0cd04 AZ |
257 | char *sync_from, *sync_exclude; |
258 | bool is_backup; | |
0a3b723b | 259 | const char *db_filename; |
475afa1b | 260 | struct process *run_process; |
aa78de9d | 261 | bool exiting; |
f85f8ebb | 262 | int retval; |
5f36127e | 263 | FILE *config_tmpfile; |
0a3b723b | 264 | struct server_config server_config; |
eeb36a52 | 265 | struct shash all_dbs; |
03093a4f | 266 | struct shash_node *node, *next; |
0a3b723b | 267 | char *error; |
b4e8d170 BP |
268 | int i; |
269 | ||
5f383751 | 270 | ovs_cmdl_proctitle_init(argc, argv); |
f85f8ebb | 271 | set_program_name(argv[0]); |
42dd41ef | 272 | service_start(&argc, &argv); |
8a777cf6 | 273 | fatal_ignore_sigpipe(); |
f85f8ebb BP |
274 | process_init(); |
275 | ||
60e0cd04 AZ |
276 | bool active = false; |
277 | parse_options(&argc, &argv, &remotes, &unixctl_path, &run_command, | |
278 | &sync_from, &sync_exclude, &active); | |
279 | is_backup = sync_from && !active; | |
280 | ||
e91b927d | 281 | daemon_become_new_user(false); |
f85f8ebb | 282 | |
5f36127e BP |
283 | /* Create and initialize 'config_tmpfile' as a temporary file to hold |
284 | * ovsdb-server's most basic configuration, and then save our initial | |
285 | * configuration to it. When --monitor is used, this preserves the effects | |
286 | * of ovs-appctl commands such as ovsdb-server/add-remote (which saves the | |
287 | * new configuration) across crashes. */ | |
288 | config_tmpfile = tmpfile(); | |
289 | if (!config_tmpfile) { | |
290 | ovs_fatal(errno, "failed to create temporary file"); | |
291 | } | |
0a3b723b BP |
292 | |
293 | sset_init(&db_filenames); | |
294 | if (argc > 0) { | |
295 | for (i = 0; i < argc; i++) { | |
296 | sset_add(&db_filenames, argv[i]); | |
297 | } | |
298 | } else { | |
299 | char *default_db = xasprintf("%s/conf.db", ovs_dbdir()); | |
300 | sset_add(&db_filenames, default_db); | |
301 | free(default_db); | |
302 | } | |
303 | ||
304 | server_config.remotes = &remotes; | |
305 | server_config.config_tmpfile = config_tmpfile; | |
306 | ||
60e0cd04 AZ |
307 | save_config__(config_tmpfile, &remotes, &db_filenames, sync_from, |
308 | sync_exclude, is_backup); | |
5f36127e | 309 | |
e91b927d | 310 | daemonize_start(false); |
eb077b26 | 311 | |
5f36127e | 312 | /* Load the saved config. */ |
60e0cd04 AZ |
313 | load_config(config_tmpfile, &remotes, &db_filenames, &sync_from, |
314 | &sync_exclude, &is_backup); | |
315 | ||
316 | /* Start ovsdb jsonrpc server. When running as a backup server, | |
317 | * jsonrpc connections are read only. Otherwise, both read | |
318 | * and write transactions are allowed. */ | |
319 | jsonrpc = ovsdb_jsonrpc_server_create(is_backup); | |
eeb36a52 | 320 | |
0a3b723b BP |
321 | shash_init(&all_dbs); |
322 | server_config.all_dbs = &all_dbs; | |
323 | server_config.jsonrpc = jsonrpc; | |
60e0cd04 AZ |
324 | server_config.sync_from = &sync_from; |
325 | server_config.sync_exclude = &sync_exclude; | |
326 | server_config.is_backup = &is_backup; | |
7ef28119 WT |
327 | |
328 | perf_counters_init(); | |
329 | ||
0a3b723b BP |
330 | SSET_FOR_EACH (db_filename, &db_filenames) { |
331 | error = open_db(&server_config, db_filename); | |
332 | if (error) { | |
333 | ovs_fatal(0, "%s", error); | |
334 | } | |
b4e8d170 BP |
335 | } |
336 | ||
0a3b723b BP |
337 | error = reconfigure_remotes(jsonrpc, &all_dbs, &remotes); |
338 | if (!error) { | |
339 | error = reconfigure_ssl(&all_dbs); | |
340 | } | |
341 | if (error) { | |
342 | ovs_fatal(0, "%s", error); | |
343 | } | |
f85f8ebb | 344 | |
aa78de9d | 345 | retval = unixctl_server_create(unixctl_path, &unixctl); |
f85f8ebb | 346 | if (retval) { |
4d12270a | 347 | exit(EXIT_FAILURE); |
f85f8ebb BP |
348 | } |
349 | ||
475afa1b BP |
350 | if (run_command) { |
351 | char *run_argv[4]; | |
352 | ||
353 | run_argv[0] = "/bin/sh"; | |
354 | run_argv[1] = "-c"; | |
355 | run_argv[2] = run_command; | |
356 | run_argv[3] = NULL; | |
357 | ||
e1208bc4 | 358 | retval = process_start(run_argv, &run_process); |
475afa1b BP |
359 | if (retval) { |
360 | ovs_fatal(retval, "%s: process failed to start", run_command); | |
361 | } | |
362 | } else { | |
363 | run_process = NULL; | |
364 | } | |
365 | ||
95440284 | 366 | daemonize_complete(); |
aa78de9d | 367 | |
08b9b190 EJ |
368 | if (!run_command) { |
369 | /* ovsdb-server is usually a long-running process, in which case it | |
370 | * makes plenty of sense to log the version, but --run makes | |
371 | * ovsdb-server more like a command-line tool, so skip it. */ | |
372 | VLOG_INFO("%s (Open vSwitch) %s", program_name, VERSION); | |
373 | } | |
9dbc190c | 374 | |
0e15264f | 375 | unixctl_command_register("exit", "", 0, 0, ovsdb_server_exit, &exiting); |
b4e8d170 | 376 | unixctl_command_register("ovsdb-server/compact", "", 0, 1, |
eeb36a52 | 377 | ovsdb_server_compact, &all_dbs); |
0e15264f | 378 | unixctl_command_register("ovsdb-server/reconnect", "", 0, 0, |
7ff2009a | 379 | ovsdb_server_reconnect, jsonrpc); |
aa78de9d | 380 | |
b421d2af | 381 | unixctl_command_register("ovsdb-server/add-remote", "REMOTE", 1, 1, |
0a3b723b | 382 | ovsdb_server_add_remote, &server_config); |
b421d2af | 383 | unixctl_command_register("ovsdb-server/remove-remote", "REMOTE", 1, 1, |
0a3b723b | 384 | ovsdb_server_remove_remote, &server_config); |
b421d2af BP |
385 | unixctl_command_register("ovsdb-server/list-remotes", "", 0, 0, |
386 | ovsdb_server_list_remotes, &remotes); | |
387 | ||
0a3b723b BP |
388 | unixctl_command_register("ovsdb-server/add-db", "DB", 1, 1, |
389 | ovsdb_server_add_database, &server_config); | |
390 | unixctl_command_register("ovsdb-server/remove-db", "DB", 1, 1, | |
391 | ovsdb_server_remove_database, &server_config); | |
392 | unixctl_command_register("ovsdb-server/list-dbs", "", 0, 0, | |
393 | ovsdb_server_list_databases, &all_dbs); | |
97a3c435 AZ |
394 | unixctl_command_register("ovsdb-server/perf-counters-show", "", 0, 0, |
395 | ovsdb_server_perf_counters_show, NULL); | |
396 | unixctl_command_register("ovsdb-server/perf-counters-clear", "", 0, 0, | |
397 | ovsdb_server_perf_counters_clear, NULL); | |
60e0cd04 AZ |
398 | unixctl_command_register("ovsdb-server/set-active-ovsdb-server", "", 1, 1, |
399 | ovsdb_server_set_active_ovsdb_server, | |
400 | &server_config); | |
f53d7518 | 401 | unixctl_command_register("ovsdb-server/get-active-ovsdb-server", "", 0, 0, |
60e0cd04 AZ |
402 | ovsdb_server_get_active_ovsdb_server, |
403 | &server_config); | |
e51879e9 AZ |
404 | unixctl_command_register("ovsdb-server/connect-active-ovsdb-server", "", |
405 | 0, 0, ovsdb_server_connect_active_ovsdb_server, | |
60e0cd04 | 406 | &server_config); |
e51879e9 AZ |
407 | unixctl_command_register("ovsdb-server/disconnect-active-ovsdb-server", "", |
408 | 0, 0, ovsdb_server_disconnect_active_ovsdb_server, | |
60e0cd04 AZ |
409 | &server_config); |
410 | unixctl_command_register("ovsdb-server/set-sync-exclude-tables", "", | |
411 | 0, 1, ovsdb_server_set_sync_exclude_tables, | |
412 | &server_config); | |
413 | unixctl_command_register("ovsdb-server/get-sync-exclude-tables", "", | |
414 | 0, 0, ovsdb_server_get_sync_exclude_tables, | |
e51879e9 | 415 | NULL); |
60e0cd04 AZ |
416 | unixctl_command_register("ovsdb-server/sync-status", "", |
417 | 0, 0, ovsdb_server_get_sync_status, | |
418 | &server_config); | |
9dc05cdc | 419 | |
e47cb14c | 420 | /* Simulate the behavior of OVS release prior to version 2.5 that |
c383f3bf LS |
421 | * does not support the monitor_cond method. */ |
422 | unixctl_command_register("ovsdb-server/disable-monitor-cond", "", 0, 0, | |
423 | ovsdb_server_disable_monitor_cond, jsonrpc); | |
e47cb14c | 424 | |
60e0cd04 AZ |
425 | if (is_backup) { |
426 | ovsdb_replication_init(sync_from, sync_exclude, &all_dbs); | |
6ab3dd96 AZ |
427 | } |
428 | ||
60e0cd04 AZ |
429 | main_loop(jsonrpc, &all_dbs, unixctl, &remotes, run_process, &exiting, |
430 | &is_backup); | |
0d085684 | 431 | |
23935e8b | 432 | ovsdb_jsonrpc_server_destroy(jsonrpc); |
03093a4f | 433 | SHASH_FOR_EACH_SAFE(node, next, &all_dbs) { |
eeb36a52 | 434 | struct db *db = node->data; |
03093a4f RW |
435 | close_db(db); |
436 | shash_delete(&all_dbs, node); | |
b4e8d170 | 437 | } |
d557df96 | 438 | shash_destroy(&all_dbs); |
b3c01ed3 | 439 | sset_destroy(&remotes); |
03093a4f | 440 | sset_destroy(&db_filenames); |
60e0cd04 AZ |
441 | free(sync_from); |
442 | free(sync_exclude); | |
23935e8b | 443 | unixctl_server_destroy(unixctl); |
3109b4e1 | 444 | replication_destroy(); |
f85f8ebb | 445 | |
475afa1b BP |
446 | if (run_process && process_exited(run_process)) { |
447 | int status = process_status(run_process); | |
448 | if (status) { | |
449 | ovs_fatal(0, "%s: child exited, %s", | |
450 | run_command, process_status_msg(status)); | |
451 | } | |
452 | } | |
97a3c435 | 453 | perf_counters_destroy(); |
42dd41ef | 454 | service_stop(); |
f85f8ebb BP |
455 | return 0; |
456 | } | |
457 | ||
ebed9f78 BP |
458 | /* Returns true if 'filename' is known to be already open as a database, |
459 | * false if not. | |
460 | * | |
461 | * "False negatives" are possible. */ | |
462 | static bool | |
463 | is_already_open(struct server_config *config OVS_UNUSED, | |
464 | const char *filename OVS_UNUSED) | |
465 | { | |
466 | #ifndef _WIN32 | |
467 | struct stat s; | |
468 | ||
469 | if (!stat(filename, &s)) { | |
470 | struct shash_node *node; | |
471 | ||
472 | SHASH_FOR_EACH (node, config->all_dbs) { | |
473 | struct db *db = node->data; | |
474 | struct stat s2; | |
475 | ||
476 | if (!stat(db->filename, &s2) | |
477 | && s.st_dev == s2.st_dev | |
478 | && s.st_ino == s2.st_ino) { | |
479 | return true; | |
480 | } | |
481 | } | |
482 | } | |
483 | #endif /* !_WIN32 */ | |
484 | ||
485 | return false; | |
486 | } | |
487 | ||
03093a4f RW |
488 | static void |
489 | close_db(struct db *db) | |
490 | { | |
491 | ovsdb_destroy(db->db); | |
492 | free(db->filename); | |
493 | free(db); | |
494 | } | |
495 | ||
0a3b723b BP |
496 | static char * |
497 | open_db(struct server_config *config, const char *filename) | |
eeb36a52 | 498 | { |
0a3b723b BP |
499 | struct ovsdb_error *db_error; |
500 | struct db *db; | |
501 | char *error; | |
eeb36a52 | 502 | |
ebed9f78 BP |
503 | /* If we know that the file is already open, return a good error message. |
504 | * Otherwise, if the file is open, we'll fail later on with a harder to | |
505 | * interpret file locking error. */ | |
506 | if (is_already_open(config, filename)) { | |
507 | return xasprintf("%s: already open", filename); | |
508 | } | |
509 | ||
0a3b723b BP |
510 | db = xzalloc(sizeof *db); |
511 | db->filename = xstrdup(filename); | |
eeb36a52 | 512 | |
0a3b723b BP |
513 | db_error = ovsdb_file_open(db->filename, false, &db->db, &db->file); |
514 | if (db_error) { | |
515 | error = ovsdb_error_to_string(db_error); | |
516 | } else if (!ovsdb_jsonrpc_server_add_db(config->jsonrpc, db->db)) { | |
517 | error = xasprintf("%s: duplicate database name", db->db->schema->name); | |
518 | } else { | |
519 | shash_add_assert(config->all_dbs, db->db->schema->name, db); | |
520 | return NULL; | |
eeb36a52 GS |
521 | } |
522 | ||
0a3b723b | 523 | ovsdb_error_destroy(db_error); |
03093a4f | 524 | close_db(db); |
0a3b723b | 525 | return error; |
eeb36a52 GS |
526 | } |
527 | ||
6ab3dd96 AZ |
528 | static const struct db * |
529 | find_db(const struct shash *all_dbs, const char *db_name) | |
530 | { | |
531 | struct shash_node *node; | |
532 | ||
533 | SHASH_FOR_EACH (node, all_dbs) { | |
534 | struct db *db = node->data; | |
535 | if (!strcmp(db->db->schema->name, db_name)) { | |
536 | return db; | |
537 | } | |
538 | } | |
539 | ||
540 | return NULL; | |
541 | } | |
542 | ||
cab50449 | 543 | static char * OVS_WARN_UNUSED_RESULT |
eeb36a52 | 544 | parse_db_column__(const struct shash *all_dbs, |
c02cf07b BP |
545 | const char *name_, char *name, |
546 | const struct db **dbp, | |
547 | const struct ovsdb_table **tablep, | |
548 | const struct ovsdb_column **columnp) | |
0b1fae1b | 549 | { |
fb6de52c | 550 | const char *db_name, *table_name, *column_name; |
0b1fae1b BP |
551 | const struct ovsdb_column *column; |
552 | const struct ovsdb_table *table; | |
b4e8d170 | 553 | const char *tokens[3]; |
0b1fae1b | 554 | char *save_ptr = NULL; |
b4e8d170 | 555 | const struct db *db; |
0b1fae1b | 556 | |
c02cf07b BP |
557 | *dbp = NULL; |
558 | *tablep = NULL; | |
559 | *columnp = NULL; | |
560 | ||
b0ef0551 | 561 | strtok_r(name, ":", &save_ptr); /* "db:" */ |
b4e8d170 BP |
562 | tokens[0] = strtok_r(NULL, ",", &save_ptr); |
563 | tokens[1] = strtok_r(NULL, ",", &save_ptr); | |
564 | tokens[2] = strtok_r(NULL, ",", &save_ptr); | |
fb6de52c | 565 | if (!tokens[0] || !tokens[1] || !tokens[2]) { |
c02cf07b | 566 | return xasprintf("\"%s\": invalid syntax", name_); |
0b1fae1b | 567 | } |
b4e8d170 | 568 | |
fb6de52c GS |
569 | db_name = tokens[0]; |
570 | table_name = tokens[1]; | |
571 | column_name = tokens[2]; | |
572 | ||
573 | db = find_db(all_dbs, tokens[0]); | |
574 | if (!db) { | |
575 | return xasprintf("\"%s\": no database named %s", name_, db_name); | |
b4e8d170 | 576 | } |
0b1fae1b | 577 | |
b4e8d170 | 578 | table = ovsdb_get_table(db->db, table_name); |
0b1fae1b | 579 | if (!table) { |
c02cf07b | 580 | return xasprintf("\"%s\": no table named %s", name_, table_name); |
0b1fae1b BP |
581 | } |
582 | ||
583 | column = ovsdb_table_schema_get_column(table->schema, column_name); | |
584 | if (!column) { | |
c02cf07b BP |
585 | return xasprintf("\"%s\": table \"%s\" has no column \"%s\"", |
586 | name_, table_name, column_name); | |
0b1fae1b BP |
587 | } |
588 | ||
b4e8d170 | 589 | *dbp = db; |
94db5407 BP |
590 | *columnp = column; |
591 | *tablep = table; | |
c02cf07b | 592 | return NULL; |
94db5407 BP |
593 | } |
594 | ||
c02cf07b BP |
595 | /* Returns NULL if successful, otherwise a malloc()'d string describing the |
596 | * error. */ | |
cab50449 | 597 | static char * OVS_WARN_UNUSED_RESULT |
eeb36a52 | 598 | parse_db_column(const struct shash *all_dbs, |
c02cf07b BP |
599 | const char *name_, |
600 | const struct db **dbp, | |
601 | const struct ovsdb_table **tablep, | |
602 | const struct ovsdb_column **columnp) | |
603 | { | |
604 | char *name = xstrdup(name_); | |
eeb36a52 | 605 | char *retval = parse_db_column__(all_dbs, name_, name, |
c02cf07b BP |
606 | dbp, tablep, columnp); |
607 | free(name); | |
608 | return retval; | |
609 | } | |
610 | ||
611 | /* Returns NULL if successful, otherwise a malloc()'d string describing the | |
612 | * error. */ | |
cab50449 | 613 | static char * OVS_WARN_UNUSED_RESULT |
eeb36a52 | 614 | parse_db_string_column(const struct shash *all_dbs, |
94db5407 | 615 | const char *name, |
b4e8d170 | 616 | const struct db **dbp, |
94db5407 BP |
617 | const struct ovsdb_table **tablep, |
618 | const struct ovsdb_column **columnp) | |
619 | { | |
c02cf07b | 620 | char *retval; |
94db5407 | 621 | |
eeb36a52 | 622 | retval = parse_db_column(all_dbs, name, dbp, tablep, columnp); |
c02cf07b BP |
623 | if (retval) { |
624 | return retval; | |
625 | } | |
94db5407 | 626 | |
c02cf07b BP |
627 | if ((*columnp)->type.key.type != OVSDB_TYPE_STRING |
628 | || (*columnp)->type.value.type != OVSDB_TYPE_VOID) { | |
629 | return xasprintf("\"%s\": table \"%s\" column \"%s\" is " | |
630 | "not string or set of strings", | |
631 | name, (*tablep)->schema->name, (*columnp)->name); | |
78876719 BP |
632 | } |
633 | ||
c02cf07b | 634 | return NULL; |
78876719 BP |
635 | } |
636 | ||
0a3b723b BP |
637 | static const char * |
638 | query_db_string(const struct shash *all_dbs, const char *name, | |
639 | struct ds *errors) | |
78876719 BP |
640 | { |
641 | if (!name || strncmp(name, "db:", 3)) { | |
642 | return name; | |
643 | } else { | |
644 | const struct ovsdb_column *column; | |
645 | const struct ovsdb_table *table; | |
646 | const struct ovsdb_row *row; | |
b4e8d170 | 647 | const struct db *db; |
c02cf07b | 648 | char *retval; |
78876719 | 649 | |
eeb36a52 | 650 | retval = parse_db_string_column(all_dbs, name, |
c02cf07b BP |
651 | &db, &table, &column); |
652 | if (retval) { | |
0a3b723b | 653 | ds_put_format(errors, "%s\n", retval); |
0ded15d4 | 654 | free(retval); |
0a3b723b | 655 | return NULL; |
c02cf07b | 656 | } |
78876719 | 657 | |
4e8e4213 | 658 | HMAP_FOR_EACH (row, hmap_node, &table->rows) { |
78876719 BP |
659 | const struct ovsdb_datum *datum; |
660 | size_t i; | |
661 | ||
662 | datum = &row->fields[column->index]; | |
663 | for (i = 0; i < datum->n; i++) { | |
664 | if (datum->keys[i].string[0]) { | |
665 | return datum->keys[i].string; | |
666 | } | |
667 | } | |
668 | } | |
669 | return NULL; | |
0b1fae1b | 670 | } |
78876719 BP |
671 | } |
672 | ||
94db5407 BP |
673 | static struct ovsdb_jsonrpc_options * |
674 | add_remote(struct shash *remotes, const char *target) | |
675 | { | |
676 | struct ovsdb_jsonrpc_options *options; | |
677 | ||
678 | options = shash_find_data(remotes, target); | |
679 | if (!options) { | |
f1936eb6 | 680 | options = ovsdb_jsonrpc_default_options(target); |
94db5407 BP |
681 | shash_add(remotes, target, options); |
682 | } | |
683 | ||
684 | return options; | |
685 | } | |
686 | ||
0b3e7a8b AE |
687 | static struct ovsdb_datum * |
688 | get_datum(struct ovsdb_row *row, const char *column_name, | |
689 | const enum ovsdb_atomic_type key_type, | |
690 | const enum ovsdb_atomic_type value_type, | |
691 | const size_t n_max) | |
94db5407 BP |
692 | { |
693 | static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 1); | |
694 | const struct ovsdb_table_schema *schema = row->table->schema; | |
695 | const struct ovsdb_column *column; | |
94db5407 BP |
696 | |
697 | column = ovsdb_table_schema_get_column(schema, column_name); | |
698 | if (!column) { | |
699 | VLOG_DBG_RL(&rl, "Table `%s' has no `%s' column", | |
700 | schema->name, column_name); | |
0b3e7a8b | 701 | return NULL; |
94db5407 BP |
702 | } |
703 | ||
0b3e7a8b AE |
704 | if (column->type.key.type != key_type |
705 | || column->type.value.type != value_type | |
706 | || column->type.n_max != n_max) { | |
94db5407 BP |
707 | if (!VLOG_DROP_DBG(&rl)) { |
708 | char *type_name = ovsdb_type_to_english(&column->type); | |
709 | VLOG_DBG("Table `%s' column `%s' has type %s, not expected " | |
34582733 | 710 | "key type %s, value type %s, max elements %"PRIuSIZE".", |
0b3e7a8b AE |
711 | schema->name, column_name, type_name, |
712 | ovsdb_atomic_type_to_string(key_type), | |
713 | ovsdb_atomic_type_to_string(value_type), | |
714 | n_max); | |
715 | free(type_name); | |
94db5407 | 716 | } |
0b3e7a8b | 717 | return NULL; |
94db5407 BP |
718 | } |
719 | ||
0b3e7a8b AE |
720 | return &row->fields[column->index]; |
721 | } | |
722 | ||
cea15768 EJ |
723 | /* Read string-string key-values from a map. Returns the value associated with |
724 | * 'key', if found, or NULL */ | |
725 | static const char * | |
f125905c | 726 | read_map_string_column(const struct ovsdb_row *row, const char *column_name, |
cea15768 | 727 | const char *key) |
f125905c MM |
728 | { |
729 | const struct ovsdb_datum *datum; | |
730 | union ovsdb_atom *atom_key = NULL, *atom_value = NULL; | |
731 | size_t i; | |
732 | ||
ebc56baa BP |
733 | datum = get_datum(CONST_CAST(struct ovsdb_row *, row), column_name, |
734 | OVSDB_TYPE_STRING, OVSDB_TYPE_STRING, UINT_MAX); | |
f125905c MM |
735 | |
736 | if (!datum) { | |
cea15768 | 737 | return NULL; |
f125905c MM |
738 | } |
739 | ||
740 | for (i = 0; i < datum->n; i++) { | |
741 | atom_key = &datum->keys[i]; | |
742 | if (!strcmp(atom_key->string, key)){ | |
743 | atom_value = &datum->values[i]; | |
744 | break; | |
745 | } | |
746 | } | |
747 | ||
cea15768 | 748 | return atom_value ? atom_value->string : NULL; |
f125905c MM |
749 | } |
750 | ||
0b3e7a8b AE |
751 | static const union ovsdb_atom * |
752 | read_column(const struct ovsdb_row *row, const char *column_name, | |
753 | enum ovsdb_atomic_type type) | |
754 | { | |
755 | const struct ovsdb_datum *datum; | |
756 | ||
ebc56baa BP |
757 | datum = get_datum(CONST_CAST(struct ovsdb_row *, row), column_name, type, |
758 | OVSDB_TYPE_VOID, 1); | |
0b3e7a8b | 759 | return datum && datum->n ? datum->keys : NULL; |
94db5407 BP |
760 | } |
761 | ||
762 | static bool | |
763 | read_integer_column(const struct ovsdb_row *row, const char *column_name, | |
764 | long long int *integerp) | |
765 | { | |
766 | const union ovsdb_atom *atom; | |
767 | ||
768 | atom = read_column(row, column_name, OVSDB_TYPE_INTEGER); | |
769 | *integerp = atom ? atom->integer : 0; | |
770 | return atom != NULL; | |
771 | } | |
772 | ||
773 | static bool | |
774 | read_string_column(const struct ovsdb_row *row, const char *column_name, | |
775 | const char **stringp) | |
776 | { | |
777 | const union ovsdb_atom *atom; | |
778 | ||
779 | atom = read_column(row, column_name, OVSDB_TYPE_STRING); | |
e3c17733 | 780 | *stringp = atom ? atom->string : NULL; |
94db5407 BP |
781 | return atom != NULL; |
782 | } | |
783 | ||
0b3e7a8b AE |
784 | static void |
785 | write_bool_column(struct ovsdb_row *row, const char *column_name, bool value) | |
786 | { | |
c824c8a3 BP |
787 | const struct ovsdb_column *column; |
788 | struct ovsdb_datum *datum; | |
0b3e7a8b | 789 | |
c824c8a3 BP |
790 | column = ovsdb_table_schema_get_column(row->table->schema, column_name); |
791 | datum = get_datum(row, column_name, OVSDB_TYPE_BOOLEAN, | |
792 | OVSDB_TYPE_VOID, 1); | |
0b3e7a8b AE |
793 | if (!datum) { |
794 | return; | |
795 | } | |
c824c8a3 BP |
796 | |
797 | if (datum->n != 1) { | |
798 | ovsdb_datum_destroy(datum, &column->type); | |
799 | ||
800 | datum->n = 1; | |
801 | datum->keys = xmalloc(sizeof *datum->keys); | |
802 | datum->values = NULL; | |
803 | } | |
804 | ||
0b3e7a8b AE |
805 | datum->keys[0].boolean = value; |
806 | } | |
807 | ||
808 | static void | |
809 | write_string_string_column(struct ovsdb_row *row, const char *column_name, | |
810 | char **keys, char **values, size_t n) | |
811 | { | |
812 | const struct ovsdb_column *column; | |
813 | struct ovsdb_datum *datum; | |
814 | size_t i; | |
815 | ||
816 | column = ovsdb_table_schema_get_column(row->table->schema, column_name); | |
817 | datum = get_datum(row, column_name, OVSDB_TYPE_STRING, OVSDB_TYPE_STRING, | |
818 | UINT_MAX); | |
819 | if (!datum) { | |
bfe834eb BP |
820 | for (i = 0; i < n; i++) { |
821 | free(keys[i]); | |
822 | free(values[i]); | |
823 | } | |
0b3e7a8b AE |
824 | return; |
825 | } | |
826 | ||
827 | /* Free existing data. */ | |
828 | ovsdb_datum_destroy(datum, &column->type); | |
829 | ||
830 | /* Allocate space for new values. */ | |
831 | datum->n = n; | |
832 | datum->keys = xmalloc(n * sizeof *datum->keys); | |
833 | datum->values = xmalloc(n * sizeof *datum->values); | |
834 | ||
835 | for (i = 0; i < n; ++i) { | |
836 | datum->keys[i].string = keys[i]; | |
837 | datum->values[i].string = values[i]; | |
838 | } | |
839 | ||
840 | /* Sort and check constraints. */ | |
841 | ovsdb_datum_sort_assert(datum, column->type.key.type); | |
842 | } | |
843 | ||
94db5407 BP |
844 | /* Adds a remote and options to 'remotes', based on the Manager table row in |
845 | * 'row'. */ | |
846 | static void | |
847 | add_manager_options(struct shash *remotes, const struct ovsdb_row *row) | |
848 | { | |
849 | static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 1); | |
850 | struct ovsdb_jsonrpc_options *options; | |
851 | long long int max_backoff, probe_interval; | |
cea15768 | 852 | const char *target, *dscp_string; |
94db5407 BP |
853 | |
854 | if (!read_string_column(row, "target", &target) || !target) { | |
855 | VLOG_INFO_RL(&rl, "Table `%s' has missing or invalid `target' column", | |
856 | row->table->schema->name); | |
857 | return; | |
858 | } | |
859 | ||
860 | options = add_remote(remotes, target); | |
861 | if (read_integer_column(row, "max_backoff", &max_backoff)) { | |
862 | options->max_backoff = max_backoff; | |
863 | } | |
f441c1a8 | 864 | if (read_integer_column(row, "inactivity_probe", &probe_interval)) { |
94db5407 BP |
865 | options->probe_interval = probe_interval; |
866 | } | |
f125905c | 867 | |
cea15768 EJ |
868 | options->dscp = DSCP_DEFAULT; |
869 | dscp_string = read_map_string_column(row, "other_config", "dscp"); | |
870 | if (dscp_string) { | |
871 | int dscp = atoi(dscp_string); | |
872 | if (dscp >= 0 && dscp <= 63) { | |
873 | options->dscp = dscp; | |
874 | } | |
875 | } | |
94db5407 BP |
876 | } |
877 | ||
78876719 | 878 | static void |
eeb36a52 | 879 | query_db_remotes(const char *name, const struct shash *all_dbs, |
0a3b723b | 880 | struct shash *remotes, struct ds *errors) |
78876719 BP |
881 | { |
882 | const struct ovsdb_column *column; | |
883 | const struct ovsdb_table *table; | |
884 | const struct ovsdb_row *row; | |
b4e8d170 | 885 | const struct db *db; |
c02cf07b | 886 | char *retval; |
78876719 | 887 | |
eeb36a52 | 888 | retval = parse_db_column(all_dbs, name, &db, &table, &column); |
c02cf07b | 889 | if (retval) { |
0a3b723b BP |
890 | ds_put_format(errors, "%s\n", retval); |
891 | free(retval); | |
892 | return; | |
c02cf07b | 893 | } |
0b1fae1b | 894 | |
94db5407 BP |
895 | if (column->type.key.type == OVSDB_TYPE_STRING |
896 | && column->type.value.type == OVSDB_TYPE_VOID) { | |
897 | HMAP_FOR_EACH (row, hmap_node, &table->rows) { | |
898 | const struct ovsdb_datum *datum; | |
899 | size_t i; | |
900 | ||
901 | datum = &row->fields[column->index]; | |
902 | for (i = 0; i < datum->n; i++) { | |
903 | add_remote(remotes, datum->keys[i].string); | |
904 | } | |
905 | } | |
906 | } else if (column->type.key.type == OVSDB_TYPE_UUID | |
907 | && column->type.key.u.uuid.refTable | |
908 | && column->type.value.type == OVSDB_TYPE_VOID) { | |
909 | const struct ovsdb_table *ref_table = column->type.key.u.uuid.refTable; | |
910 | HMAP_FOR_EACH (row, hmap_node, &table->rows) { | |
911 | const struct ovsdb_datum *datum; | |
912 | size_t i; | |
913 | ||
914 | datum = &row->fields[column->index]; | |
915 | for (i = 0; i < datum->n; i++) { | |
916 | const struct ovsdb_row *ref_row; | |
0b1fae1b | 917 | |
94db5407 BP |
918 | ref_row = ovsdb_table_get_row(ref_table, &datum->keys[i].uuid); |
919 | if (ref_row) { | |
920 | add_manager_options(remotes, ref_row); | |
921 | } | |
922 | } | |
0b1fae1b BP |
923 | } |
924 | } | |
925 | } | |
926 | ||
0b3e7a8b AE |
927 | static void |
928 | update_remote_row(const struct ovsdb_row *row, struct ovsdb_txn *txn, | |
87fcbc60 | 929 | const struct ovsdb_jsonrpc_server *jsonrpc) |
0b3e7a8b | 930 | { |
87fcbc60 | 931 | struct ovsdb_jsonrpc_remote_status status; |
0b3e7a8b AE |
932 | struct ovsdb_row *rw_row; |
933 | const char *target; | |
798e1352 | 934 | char *keys[9], *values[9]; |
0b3e7a8b AE |
935 | size_t n = 0; |
936 | ||
937 | /* Get the "target" (protocol/host/port) spec. */ | |
938 | if (!read_string_column(row, "target", &target)) { | |
939 | /* Bad remote spec or incorrect schema. */ | |
940 | return; | |
941 | } | |
0b3e7a8b | 942 | rw_row = ovsdb_txn_row_modify(txn, row); |
87fcbc60 | 943 | ovsdb_jsonrpc_server_get_remote_status(jsonrpc, target, &status); |
0b3e7a8b AE |
944 | |
945 | /* Update status information columns. */ | |
87fcbc60 | 946 | write_bool_column(rw_row, "is_connected", status.is_connected); |
0b3e7a8b | 947 | |
87fcbc60 BP |
948 | if (status.state) { |
949 | keys[n] = xstrdup("state"); | |
950 | values[n++] = xstrdup(status.state); | |
951 | } | |
952 | if (status.sec_since_connect != UINT_MAX) { | |
5eda645e | 953 | keys[n] = xstrdup("sec_since_connect"); |
87fcbc60 | 954 | values[n++] = xasprintf("%u", status.sec_since_connect); |
5eda645e | 955 | } |
87fcbc60 | 956 | if (status.sec_since_disconnect != UINT_MAX) { |
5eda645e | 957 | keys[n] = xstrdup("sec_since_disconnect"); |
87fcbc60 | 958 | values[n++] = xasprintf("%u", status.sec_since_disconnect); |
5eda645e | 959 | } |
87fcbc60 | 960 | if (status.last_error) { |
0b3e7a8b AE |
961 | keys[n] = xstrdup("last_error"); |
962 | values[n++] = | |
87fcbc60 | 963 | xstrdup(ovs_retval_to_string(status.last_error)); |
0b3e7a8b | 964 | } |
da897f41 BP |
965 | if (status.locks_held && status.locks_held[0]) { |
966 | keys[n] = xstrdup("locks_held"); | |
967 | values[n++] = xstrdup(status.locks_held); | |
968 | } | |
969 | if (status.locks_waiting && status.locks_waiting[0]) { | |
970 | keys[n] = xstrdup("locks_waiting"); | |
971 | values[n++] = xstrdup(status.locks_waiting); | |
972 | } | |
973 | if (status.locks_lost && status.locks_lost[0]) { | |
974 | keys[n] = xstrdup("locks_lost"); | |
975 | values[n++] = xstrdup(status.locks_lost); | |
976 | } | |
a11f6164 BP |
977 | if (status.n_connections > 1) { |
978 | keys[n] = xstrdup("n_connections"); | |
979 | values[n++] = xasprintf("%d", status.n_connections); | |
980 | } | |
798e1352 BP |
981 | if (status.bound_port != htons(0)) { |
982 | keys[n] = xstrdup("bound_port"); | |
983 | values[n++] = xasprintf("%"PRIu16, ntohs(status.bound_port)); | |
984 | } | |
0b3e7a8b | 985 | write_string_string_column(rw_row, "status", keys, values, n); |
da897f41 BP |
986 | |
987 | ovsdb_jsonrpc_server_free_remote_status(&status); | |
0b3e7a8b AE |
988 | } |
989 | ||
990 | static void | |
eeb36a52 | 991 | update_remote_rows(const struct shash *all_dbs, |
87fcbc60 BP |
992 | const char *remote_name, |
993 | const struct ovsdb_jsonrpc_server *jsonrpc) | |
0b3e7a8b AE |
994 | { |
995 | const struct ovsdb_table *table, *ref_table; | |
996 | const struct ovsdb_column *column; | |
997 | const struct ovsdb_row *row; | |
b4e8d170 | 998 | const struct db *db; |
c02cf07b | 999 | char *retval; |
0b3e7a8b AE |
1000 | |
1001 | if (strncmp("db:", remote_name, 3)) { | |
1002 | return; | |
1003 | } | |
1004 | ||
eeb36a52 | 1005 | retval = parse_db_column(all_dbs, remote_name, &db, &table, &column); |
c02cf07b | 1006 | if (retval) { |
0a3b723b BP |
1007 | free(retval); |
1008 | return; | |
c02cf07b | 1009 | } |
0b3e7a8b AE |
1010 | |
1011 | if (column->type.key.type != OVSDB_TYPE_UUID | |
1012 | || !column->type.key.u.uuid.refTable | |
1013 | || column->type.value.type != OVSDB_TYPE_VOID) { | |
1014 | return; | |
1015 | } | |
1016 | ||
1017 | ref_table = column->type.key.u.uuid.refTable; | |
1018 | ||
1019 | HMAP_FOR_EACH (row, hmap_node, &table->rows) { | |
1020 | const struct ovsdb_datum *datum; | |
1021 | size_t i; | |
1022 | ||
1023 | datum = &row->fields[column->index]; | |
1024 | for (i = 0; i < datum->n; i++) { | |
1025 | const struct ovsdb_row *ref_row; | |
1026 | ||
1027 | ref_row = ovsdb_table_get_row(ref_table, &datum->keys[i].uuid); | |
1028 | if (ref_row) { | |
b4e8d170 | 1029 | update_remote_row(ref_row, db->txn, jsonrpc); |
0b3e7a8b AE |
1030 | } |
1031 | } | |
1032 | } | |
1033 | } | |
1034 | ||
1035 | static void | |
1036 | update_remote_status(const struct ovsdb_jsonrpc_server *jsonrpc, | |
b4e8d170 | 1037 | const struct sset *remotes, |
eeb36a52 | 1038 | struct shash *all_dbs) |
0b3e7a8b AE |
1039 | { |
1040 | static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 1); | |
b3c01ed3 | 1041 | const char *remote; |
eeb36a52 GS |
1042 | struct db *db; |
1043 | struct shash_node *node; | |
0b3e7a8b | 1044 | |
eeb36a52 GS |
1045 | SHASH_FOR_EACH(node, all_dbs) { |
1046 | db = node->data; | |
1047 | db->txn = ovsdb_txn_create(db->db); | |
b4e8d170 | 1048 | } |
0b3e7a8b AE |
1049 | |
1050 | /* Iterate over --remote arguments given on command line. */ | |
b3c01ed3 | 1051 | SSET_FOR_EACH (remote, remotes) { |
eeb36a52 | 1052 | update_remote_rows(all_dbs, remote, jsonrpc); |
0b3e7a8b AE |
1053 | } |
1054 | ||
eeb36a52 GS |
1055 | SHASH_FOR_EACH(node, all_dbs) { |
1056 | struct ovsdb_error *error; | |
1057 | db = node->data; | |
1058 | error = ovsdb_txn_commit(db->txn, false); | |
b4e8d170 BP |
1059 | if (error) { |
1060 | VLOG_ERR_RL(&rl, "Failed to update remote status: %s", | |
1061 | ovsdb_error_to_string(error)); | |
1062 | ovsdb_error_destroy(error); | |
1063 | } | |
0b3e7a8b | 1064 | } |
0b3e7a8b AE |
1065 | } |
1066 | ||
0a3b723b BP |
1067 | /* Reconfigures ovsdb-server's remotes based on information in the database. */ |
1068 | static char * | |
1069 | reconfigure_remotes(struct ovsdb_jsonrpc_server *jsonrpc, | |
eeb36a52 | 1070 | const struct shash *all_dbs, struct sset *remotes) |
0b1fae1b | 1071 | { |
0a3b723b | 1072 | struct ds errors = DS_EMPTY_INITIALIZER; |
0b1fae1b | 1073 | struct shash resolved_remotes; |
b3c01ed3 | 1074 | const char *name; |
0b1fae1b | 1075 | |
78876719 | 1076 | /* Configure remotes. */ |
0b1fae1b | 1077 | shash_init(&resolved_remotes); |
b3c01ed3 | 1078 | SSET_FOR_EACH (name, remotes) { |
0b1fae1b | 1079 | if (!strncmp(name, "db:", 3)) { |
0a3b723b | 1080 | query_db_remotes(name, all_dbs, &resolved_remotes, &errors); |
0b1fae1b | 1081 | } else { |
94db5407 | 1082 | add_remote(&resolved_remotes, name); |
0b1fae1b BP |
1083 | } |
1084 | } | |
1085 | ovsdb_jsonrpc_server_set_remotes(jsonrpc, &resolved_remotes); | |
88b64974 | 1086 | shash_destroy_free_data(&resolved_remotes); |
0b1fae1b | 1087 | |
0a3b723b BP |
1088 | return errors.string; |
1089 | } | |
1090 | ||
1091 | static char * | |
1092 | reconfigure_ssl(const struct shash *all_dbs) | |
1093 | { | |
1094 | struct ds errors = DS_EMPTY_INITIALIZER; | |
1095 | const char *resolved_private_key; | |
1096 | const char *resolved_certificate; | |
1097 | const char *resolved_ca_cert; | |
1098 | ||
1099 | resolved_private_key = query_db_string(all_dbs, private_key_file, &errors); | |
1100 | resolved_certificate = query_db_string(all_dbs, certificate_file, &errors); | |
1101 | resolved_ca_cert = query_db_string(all_dbs, ca_cert_file, &errors); | |
1102 | ||
1103 | stream_ssl_set_key_and_cert(resolved_private_key, resolved_certificate); | |
1104 | stream_ssl_set_ca_cert_file(resolved_ca_cert, bootstrap_ca_cert); | |
1105 | ||
1106 | return errors.string; | |
1107 | } | |
1108 | ||
1109 | static void | |
1110 | report_error_if_changed(char *error, char **last_errorp) | |
1111 | { | |
1112 | if (error) { | |
1113 | if (!*last_errorp || strcmp(error, *last_errorp)) { | |
1114 | VLOG_WARN("%s", error); | |
1115 | free(*last_errorp); | |
1116 | *last_errorp = error; | |
1117 | return; | |
1118 | } | |
1119 | free(error); | |
1120 | } else { | |
1121 | free(*last_errorp); | |
1122 | *last_errorp = NULL; | |
1123 | } | |
78876719 | 1124 | } |
0b1fae1b | 1125 | |
9dc05cdc | 1126 | static void |
f53d7518 | 1127 | ovsdb_server_set_active_ovsdb_server(struct unixctl_conn *conn, |
9dc05cdc | 1128 | int argc OVS_UNUSED, const char *argv[], |
60e0cd04 | 1129 | void *config_) |
9dc05cdc | 1130 | { |
60e0cd04 AZ |
1131 | struct server_config *config = config_; |
1132 | ||
1133 | if (*config->sync_from) { | |
1134 | free(*config->sync_from); | |
1135 | } | |
1136 | *config->sync_from = xstrdup(argv[1]); | |
1137 | save_config(config); | |
1138 | ||
9dc05cdc MC |
1139 | unixctl_command_reply(conn, NULL); |
1140 | } | |
1141 | ||
1142 | static void | |
f53d7518 | 1143 | ovsdb_server_get_active_ovsdb_server(struct unixctl_conn *conn, |
9dc05cdc MC |
1144 | int argc OVS_UNUSED, |
1145 | const char *argv[] OVS_UNUSED, | |
60e0cd04 | 1146 | void *config_ ) |
9dc05cdc | 1147 | { |
60e0cd04 AZ |
1148 | struct server_config *config = config_; |
1149 | ||
1150 | unixctl_command_reply(conn, *config->sync_from); | |
9dc05cdc MC |
1151 | } |
1152 | ||
1153 | static void | |
f53d7518 | 1154 | ovsdb_server_connect_active_ovsdb_server(struct unixctl_conn *conn, |
9dc05cdc MC |
1155 | int argc OVS_UNUSED, |
1156 | const char *argv[] OVS_UNUSED, | |
60e0cd04 | 1157 | void *config_) |
9dc05cdc | 1158 | { |
60e0cd04 AZ |
1159 | struct server_config *config = config_; |
1160 | char *msg = NULL; | |
6ab3dd96 | 1161 | |
60e0cd04 AZ |
1162 | if ( !*config->sync_from) { |
1163 | msg = "Unable to connect: active server is not specified.\n"; | |
1164 | } else { | |
1165 | ovsdb_replication_init(*config->sync_from, *config->sync_exclude, | |
1166 | config->all_dbs); | |
1167 | if (!*config->is_backup) { | |
1168 | *config->is_backup = true; | |
1169 | save_config(config); | |
1170 | } | |
9dc05cdc | 1171 | } |
60e0cd04 | 1172 | unixctl_command_reply(conn, msg); |
9dc05cdc MC |
1173 | } |
1174 | ||
1175 | static void | |
f53d7518 | 1176 | ovsdb_server_disconnect_active_ovsdb_server(struct unixctl_conn *conn, |
9dc05cdc MC |
1177 | int argc OVS_UNUSED, |
1178 | const char *argv[] OVS_UNUSED, | |
60e0cd04 | 1179 | void *config_) |
9dc05cdc | 1180 | { |
60e0cd04 AZ |
1181 | struct server_config *config = config_; |
1182 | ||
f53d7518 | 1183 | disconnect_active_server(); |
60e0cd04 AZ |
1184 | *config->is_backup = false; |
1185 | save_config(config); | |
9dc05cdc MC |
1186 | unixctl_command_reply(conn, NULL); |
1187 | } | |
1188 | ||
1189 | static void | |
60e0cd04 AZ |
1190 | ovsdb_server_set_sync_exclude_tables(struct unixctl_conn *conn, |
1191 | int argc OVS_UNUSED, | |
1192 | const char *argv[], | |
1193 | void *config_) | |
9dc05cdc | 1194 | { |
60e0cd04 | 1195 | struct server_config *config = config_; |
3109b4e1 | 1196 | |
60e0cd04 | 1197 | char *err = set_blacklist_tables(argv[1], true); |
3109b4e1 | 1198 | if (!err) { |
60e0cd04 AZ |
1199 | free(*config->sync_exclude); |
1200 | *config->sync_exclude = xstrdup(argv[1]); | |
1201 | save_config(config); | |
1202 | if (*config->is_backup) { | |
1203 | ovsdb_replication_init(*config->sync_from, *config->sync_exclude, | |
1204 | config->all_dbs); | |
3109b4e1 AZ |
1205 | } |
1206 | err = set_blacklist_tables(argv[1], false); | |
1207 | } | |
1208 | unixctl_command_reply(conn, err); | |
1209 | free(err); | |
9dc05cdc MC |
1210 | } |
1211 | ||
1212 | static void | |
60e0cd04 AZ |
1213 | ovsdb_server_get_sync_exclude_tables(struct unixctl_conn *conn, |
1214 | int argc OVS_UNUSED, | |
1215 | const char *argv[] OVS_UNUSED, | |
1216 | void *arg_ OVS_UNUSED) | |
9dc05cdc | 1217 | { |
5975d1fc BP |
1218 | char *reply = get_blacklist_tables(); |
1219 | unixctl_command_reply(conn, reply); | |
1220 | free(reply); | |
9dc05cdc MC |
1221 | } |
1222 | ||
aa78de9d | 1223 | static void |
0e15264f BP |
1224 | ovsdb_server_exit(struct unixctl_conn *conn, int argc OVS_UNUSED, |
1225 | const char *argv[] OVS_UNUSED, | |
aa78de9d BP |
1226 | void *exiting_) |
1227 | { | |
1228 | bool *exiting = exiting_; | |
1229 | *exiting = true; | |
bde9f75d | 1230 | unixctl_command_reply(conn, NULL); |
97a3c435 AZ |
1231 | } |
1232 | ||
1233 | static void | |
1234 | ovsdb_server_perf_counters_show(struct unixctl_conn *conn, int argc OVS_UNUSED, | |
1235 | const char *argv[] OVS_UNUSED, | |
1236 | void *arg_ OVS_UNUSED) | |
1237 | { | |
1238 | char *s = perf_counters_to_string(); | |
1239 | ||
1240 | unixctl_command_reply(conn, s); | |
1241 | free(s); | |
1242 | } | |
1243 | ||
1244 | static void | |
1245 | ovsdb_server_perf_counters_clear(struct unixctl_conn *conn, int argc OVS_UNUSED, | |
1246 | const char *argv[] OVS_UNUSED, | |
1247 | void *arg_ OVS_UNUSED) | |
1248 | { | |
1249 | perf_counters_clear(); | |
1250 | unixctl_command_reply(conn, NULL); | |
aa78de9d BP |
1251 | } |
1252 | ||
c383f3bf | 1253 | /* "ovsdb-server/disable-monitor-cond": makes ovsdb-server drop all of its |
e47cb14c | 1254 | * JSON-RPC connections and reconnect. New sessions will not recognize |
c383f3bf | 1255 | * the 'monitor_cond' method. */ |
e47cb14c | 1256 | static void |
c383f3bf LS |
1257 | ovsdb_server_disable_monitor_cond(struct unixctl_conn *conn, |
1258 | int argc OVS_UNUSED, | |
1259 | const char *argv[] OVS_UNUSED, | |
1260 | void *jsonrpc_) | |
e47cb14c AZ |
1261 | { |
1262 | struct ovsdb_jsonrpc_server *jsonrpc = jsonrpc_; | |
60e0cd04 | 1263 | bool read_only = ovsdb_jsonrpc_server_is_read_only(jsonrpc); |
e47cb14c | 1264 | |
c383f3bf | 1265 | ovsdb_jsonrpc_disable_monitor_cond(); |
60e0cd04 | 1266 | ovsdb_jsonrpc_server_reconnect(jsonrpc, read_only); |
e47cb14c AZ |
1267 | unixctl_command_reply(conn, NULL); |
1268 | } | |
1269 | ||
ada496b5 | 1270 | static void |
b4e8d170 BP |
1271 | ovsdb_server_compact(struct unixctl_conn *conn, int argc, |
1272 | const char *argv[], void *dbs_) | |
ada496b5 | 1273 | { |
eeb36a52 | 1274 | struct shash *all_dbs = dbs_; |
b4e8d170 BP |
1275 | struct ds reply; |
1276 | struct db *db; | |
eeb36a52 | 1277 | struct shash_node *node; |
b4e8d170 | 1278 | int n = 0; |
ada496b5 | 1279 | |
b4e8d170 | 1280 | ds_init(&reply); |
eeb36a52 GS |
1281 | SHASH_FOR_EACH(node, all_dbs) { |
1282 | const char *name; | |
1283 | ||
1284 | db = node->data; | |
1285 | name = db->db->schema->name; | |
b4e8d170 BP |
1286 | |
1287 | if (argc < 2 || !strcmp(argv[1], name)) { | |
1288 | struct ovsdb_error *error; | |
1289 | ||
1290 | VLOG_INFO("compacting %s database by user request", name); | |
1291 | ||
1292 | error = ovsdb_file_compact(db->file); | |
1293 | if (error) { | |
1294 | char *s = ovsdb_error_to_string(error); | |
1295 | ds_put_format(&reply, "%s\n", s); | |
1296 | free(s); | |
9c0639a4 | 1297 | ovsdb_error_destroy(error); |
b4e8d170 BP |
1298 | } |
1299 | ||
1300 | n++; | |
1301 | } | |
1302 | } | |
1303 | ||
1304 | if (!n) { | |
1305 | unixctl_command_reply_error(conn, "no database by that name"); | |
1306 | } else if (reply.length) { | |
1307 | unixctl_command_reply_error(conn, ds_cstr(&reply)); | |
ada496b5 | 1308 | } else { |
b4e8d170 | 1309 | unixctl_command_reply(conn, NULL); |
ada496b5 | 1310 | } |
b4e8d170 | 1311 | ds_destroy(&reply); |
ada496b5 BP |
1312 | } |
1313 | ||
31d0b6c9 BP |
1314 | /* "ovsdb-server/reconnect": makes ovsdb-server drop all of its JSON-RPC |
1315 | * connections and reconnect. */ | |
1316 | static void | |
0e15264f BP |
1317 | ovsdb_server_reconnect(struct unixctl_conn *conn, int argc OVS_UNUSED, |
1318 | const char *argv[] OVS_UNUSED, void *jsonrpc_) | |
31d0b6c9 BP |
1319 | { |
1320 | struct ovsdb_jsonrpc_server *jsonrpc = jsonrpc_; | |
60e0cd04 | 1321 | bool read_only = ovsdb_jsonrpc_server_is_read_only(jsonrpc); |
31d0b6c9 | 1322 | |
60e0cd04 | 1323 | ovsdb_jsonrpc_server_reconnect(jsonrpc, read_only); |
bde9f75d | 1324 | unixctl_command_reply(conn, NULL); |
31d0b6c9 BP |
1325 | } |
1326 | ||
b421d2af BP |
1327 | /* "ovsdb-server/add-remote REMOTE": adds REMOTE to the set of remotes that |
1328 | * ovsdb-server services. */ | |
1329 | static void | |
1330 | ovsdb_server_add_remote(struct unixctl_conn *conn, int argc OVS_UNUSED, | |
0a3b723b | 1331 | const char *argv[], void *config_) |
b421d2af | 1332 | { |
0a3b723b | 1333 | struct server_config *config = config_; |
b421d2af BP |
1334 | const char *remote = argv[1]; |
1335 | ||
1336 | const struct ovsdb_column *column; | |
1337 | const struct ovsdb_table *table; | |
1338 | const struct db *db; | |
1339 | char *retval; | |
1340 | ||
1341 | retval = (strncmp("db:", remote, 3) | |
1342 | ? NULL | |
0a3b723b | 1343 | : parse_db_column(config->all_dbs, remote, |
b421d2af BP |
1344 | &db, &table, &column)); |
1345 | if (!retval) { | |
0a3b723b BP |
1346 | if (sset_add(config->remotes, remote)) { |
1347 | save_config(config); | |
5f36127e | 1348 | } |
b421d2af BP |
1349 | unixctl_command_reply(conn, NULL); |
1350 | } else { | |
1351 | unixctl_command_reply_error(conn, retval); | |
1352 | free(retval); | |
1353 | } | |
1354 | } | |
1355 | ||
1356 | /* "ovsdb-server/remove-remote REMOTE": removes REMOTE frmo the set of remotes | |
1357 | * that ovsdb-server services. */ | |
1358 | static void | |
1359 | ovsdb_server_remove_remote(struct unixctl_conn *conn, int argc OVS_UNUSED, | |
0a3b723b | 1360 | const char *argv[], void *config_) |
b421d2af | 1361 | { |
0a3b723b | 1362 | struct server_config *config = config_; |
b421d2af BP |
1363 | struct sset_node *node; |
1364 | ||
0a3b723b | 1365 | node = sset_find(config->remotes, argv[1]); |
b421d2af | 1366 | if (node) { |
0a3b723b BP |
1367 | sset_delete(config->remotes, node); |
1368 | save_config(config); | |
b421d2af BP |
1369 | unixctl_command_reply(conn, NULL); |
1370 | } else { | |
1371 | unixctl_command_reply_error(conn, "no such remote"); | |
1372 | } | |
1373 | } | |
1374 | ||
1375 | /* "ovsdb-server/list-remotes": outputs a list of configured rmeotes. */ | |
1376 | static void | |
1377 | ovsdb_server_list_remotes(struct unixctl_conn *conn, int argc OVS_UNUSED, | |
1378 | const char *argv[] OVS_UNUSED, void *remotes_) | |
1379 | { | |
1380 | struct sset *remotes = remotes_; | |
1381 | const char **list, **p; | |
1382 | struct ds s; | |
1383 | ||
1384 | ds_init(&s); | |
1385 | ||
1386 | list = sset_sort(remotes); | |
1387 | for (p = list; *p; p++) { | |
1388 | ds_put_format(&s, "%s\n", *p); | |
1389 | } | |
1390 | free(list); | |
1391 | ||
1392 | unixctl_command_reply(conn, ds_cstr(&s)); | |
1393 | ds_destroy(&s); | |
1394 | } | |
1395 | ||
0a3b723b BP |
1396 | |
1397 | /* "ovsdb-server/add-db DB": adds the DB to ovsdb-server. */ | |
1398 | static void | |
1399 | ovsdb_server_add_database(struct unixctl_conn *conn, int argc OVS_UNUSED, | |
1400 | const char *argv[], void *config_) | |
1401 | { | |
1402 | struct server_config *config = config_; | |
1403 | const char *filename = argv[1]; | |
1404 | char *error; | |
1405 | ||
1406 | error = open_db(config, filename); | |
1407 | if (!error) { | |
1408 | save_config(config); | |
60e0cd04 AZ |
1409 | if (*config->is_backup) { |
1410 | ovsdb_replication_init(*config->sync_from, *config->sync_exclude, | |
1411 | config->all_dbs); | |
23c16b51 | 1412 | } |
0a3b723b BP |
1413 | unixctl_command_reply(conn, NULL); |
1414 | } else { | |
1415 | unixctl_command_reply_error(conn, error); | |
1416 | free(error); | |
1417 | } | |
1418 | } | |
1419 | ||
1420 | static void | |
1421 | ovsdb_server_remove_database(struct unixctl_conn *conn, int argc OVS_UNUSED, | |
1422 | const char *argv[], void *config_) | |
1423 | { | |
1424 | struct server_config *config = config_; | |
1425 | struct shash_node *node; | |
1426 | struct db *db; | |
1427 | bool ok; | |
1428 | ||
1429 | node = shash_find(config->all_dbs, argv[1]); | |
1430 | if (!node) { | |
1431 | unixctl_command_reply_error(conn, "Failed to find the database."); | |
1432 | return; | |
1433 | } | |
1434 | db = node->data; | |
1435 | ||
1436 | ok = ovsdb_jsonrpc_server_remove_db(config->jsonrpc, db->db); | |
1437 | ovs_assert(ok); | |
1438 | ||
03093a4f | 1439 | close_db(db); |
0a3b723b | 1440 | shash_delete(config->all_dbs, node); |
0a3b723b BP |
1441 | |
1442 | save_config(config); | |
60e0cd04 AZ |
1443 | if (*config->is_backup) { |
1444 | ovsdb_replication_init(*config->sync_from, *config->sync_exclude, | |
1445 | config->all_dbs); | |
23c16b51 | 1446 | } |
0a3b723b BP |
1447 | unixctl_command_reply(conn, NULL); |
1448 | } | |
1449 | ||
1450 | static void | |
1451 | ovsdb_server_list_databases(struct unixctl_conn *conn, int argc OVS_UNUSED, | |
1452 | const char *argv[] OVS_UNUSED, void *all_dbs_) | |
1453 | { | |
1454 | struct shash *all_dbs = all_dbs_; | |
1455 | const struct shash_node **nodes; | |
1456 | struct ds s; | |
1457 | size_t i; | |
1458 | ||
1459 | ds_init(&s); | |
1460 | ||
1461 | nodes = shash_sort(all_dbs); | |
1462 | for (i = 0; i < shash_count(all_dbs); i++) { | |
1463 | struct db *db = nodes[i]->data; | |
1464 | ds_put_format(&s, "%s\n", db->db->schema->name); | |
1465 | } | |
1466 | free(nodes); | |
1467 | ||
1468 | unixctl_command_reply(conn, ds_cstr(&s)); | |
1469 | ds_destroy(&s); | |
1470 | } | |
1471 | ||
60e0cd04 AZ |
1472 | static void |
1473 | ovsdb_server_get_sync_status(struct unixctl_conn *conn, int argc OVS_UNUSED, | |
1474 | const char *argv[] OVS_UNUSED, void *config_) | |
1475 | { | |
1476 | struct server_config *config = config_; | |
1477 | bool is_backup = *config->is_backup; | |
1478 | struct ds ds = DS_EMPTY_INITIALIZER; | |
1479 | ||
1480 | ds_put_format(&ds, "state: %s\n", is_backup ? "backup" : "active"); | |
1481 | ||
1482 | if (is_backup) { | |
1483 | ds_put_and_free_cstr(&ds, replication_status()); | |
1484 | } | |
1485 | ||
1486 | unixctl_command_reply(conn, ds_cstr(&ds)); | |
1487 | ds_destroy(&ds); | |
1488 | } | |
1489 | ||
f85f8ebb | 1490 | static void |
b4e8d170 | 1491 | parse_options(int *argcp, char **argvp[], |
60e0cd04 AZ |
1492 | struct sset *remotes, char **unixctl_pathp, char **run_command, |
1493 | char **sync_from, char **sync_exclude, bool *active) | |
f85f8ebb BP |
1494 | { |
1495 | enum { | |
06834871 | 1496 | OPT_REMOTE = UCHAR_MAX + 1, |
aa78de9d | 1497 | OPT_UNIXCTL, |
475afa1b | 1498 | OPT_RUN, |
9467fe62 | 1499 | OPT_BOOTSTRAP_CA_CERT, |
5bf6cbd6 | 1500 | OPT_PEER_CA_CERT, |
ae671c5f | 1501 | OPT_SYNC_FROM, |
7a9d65d2 | 1502 | OPT_SYNC_EXCLUDE, |
60e0cd04 | 1503 | OPT_ACTIVE, |
f85f8ebb | 1504 | VLOG_OPTION_ENUMS, |
8274ae95 | 1505 | DAEMON_OPTION_ENUMS |
f85f8ebb | 1506 | }; |
07fc4ed3 | 1507 | static const struct option long_options[] = { |
e3c17733 BP |
1508 | {"remote", required_argument, NULL, OPT_REMOTE}, |
1509 | {"unixctl", required_argument, NULL, OPT_UNIXCTL}, | |
41064650 | 1510 | #ifndef _WIN32 |
e3c17733 | 1511 | {"run", required_argument, NULL, OPT_RUN}, |
41064650 | 1512 | #endif |
e3c17733 BP |
1513 | {"help", no_argument, NULL, 'h'}, |
1514 | {"version", no_argument, NULL, 'V'}, | |
f85f8ebb BP |
1515 | DAEMON_LONG_OPTIONS, |
1516 | VLOG_LONG_OPTIONS, | |
e3c17733 | 1517 | {"bootstrap-ca-cert", required_argument, NULL, OPT_BOOTSTRAP_CA_CERT}, |
5bf6cbd6 | 1518 | {"peer-ca-cert", required_argument, NULL, OPT_PEER_CA_CERT}, |
e3c17733 BP |
1519 | {"private-key", required_argument, NULL, 'p'}, |
1520 | {"certificate", required_argument, NULL, 'c'}, | |
1521 | {"ca-cert", required_argument, NULL, 'C'}, | |
ae671c5f | 1522 | {"sync-from", required_argument, NULL, OPT_SYNC_FROM}, |
7a9d65d2 | 1523 | {"sync-exclude-tables", required_argument, NULL, OPT_SYNC_EXCLUDE}, |
60e0cd04 | 1524 | {"active", no_argument, NULL, OPT_ACTIVE}, |
e3c17733 | 1525 | {NULL, 0, NULL, 0}, |
f85f8ebb | 1526 | }; |
5f383751 | 1527 | char *short_options = ovs_cmdl_long_options_to_short_options(long_options); |
b4e8d170 BP |
1528 | int argc = *argcp; |
1529 | char **argv = *argvp; | |
f85f8ebb | 1530 | |
60e0cd04 AZ |
1531 | *sync_from = NULL; |
1532 | *sync_exclude = NULL; | |
b3c01ed3 | 1533 | sset_init(remotes); |
f85f8ebb BP |
1534 | for (;;) { |
1535 | int c; | |
1536 | ||
1537 | c = getopt_long(argc, argv, short_options, long_options, NULL); | |
1538 | if (c == -1) { | |
1539 | break; | |
1540 | } | |
1541 | ||
1542 | switch (c) { | |
0b1fae1b | 1543 | case OPT_REMOTE: |
b3c01ed3 | 1544 | sset_add(remotes, optarg); |
f85f8ebb BP |
1545 | break; |
1546 | ||
aa78de9d BP |
1547 | case OPT_UNIXCTL: |
1548 | *unixctl_pathp = optarg; | |
1549 | break; | |
1550 | ||
475afa1b BP |
1551 | case OPT_RUN: |
1552 | *run_command = optarg; | |
1553 | break; | |
1554 | ||
f85f8ebb BP |
1555 | case 'h': |
1556 | usage(); | |
1557 | ||
1558 | case 'V': | |
55d5bb44 | 1559 | ovs_print_version(0, 0); |
f85f8ebb BP |
1560 | exit(EXIT_SUCCESS); |
1561 | ||
1562 | VLOG_OPTION_HANDLERS | |
1563 | DAEMON_OPTION_HANDLERS | |
f85f8ebb | 1564 | |
78876719 BP |
1565 | case 'p': |
1566 | private_key_file = optarg; | |
1567 | break; | |
1568 | ||
1569 | case 'c': | |
1570 | certificate_file = optarg; | |
1571 | break; | |
1572 | ||
1573 | case 'C': | |
1574 | ca_cert_file = optarg; | |
1575 | bootstrap_ca_cert = false; | |
1576 | break; | |
9467fe62 BP |
1577 | |
1578 | case OPT_BOOTSTRAP_CA_CERT: | |
78876719 BP |
1579 | ca_cert_file = optarg; |
1580 | bootstrap_ca_cert = true; | |
9467fe62 | 1581 | break; |
9467fe62 | 1582 | |
5bf6cbd6 GS |
1583 | case OPT_PEER_CA_CERT: |
1584 | stream_ssl_set_peer_ca_cert_file(optarg); | |
1585 | break; | |
1586 | ||
ae671c5f | 1587 | case OPT_SYNC_FROM: |
60e0cd04 | 1588 | *sync_from = xstrdup(optarg); |
ae671c5f MC |
1589 | break; |
1590 | ||
3109b4e1 AZ |
1591 | case OPT_SYNC_EXCLUDE: { |
1592 | char *err = set_blacklist_tables(optarg, false); | |
1593 | if (err) { | |
1594 | ovs_fatal(0, "%s", err); | |
1595 | } | |
60e0cd04 | 1596 | *sync_exclude = xstrdup(optarg); |
7a9d65d2 | 1597 | break; |
3109b4e1 | 1598 | } |
60e0cd04 AZ |
1599 | case OPT_ACTIVE: |
1600 | *active = true; | |
1601 | break; | |
7a9d65d2 | 1602 | |
f85f8ebb BP |
1603 | case '?': |
1604 | exit(EXIT_FAILURE); | |
1605 | ||
1606 | default: | |
1607 | abort(); | |
1608 | } | |
1609 | } | |
1610 | free(short_options); | |
1611 | ||
b4e8d170 BP |
1612 | *argcp -= optind; |
1613 | *argvp += optind; | |
f85f8ebb BP |
1614 | } |
1615 | ||
1616 | static void | |
1617 | usage(void) | |
1618 | { | |
1619 | printf("%s: Open vSwitch database server\n" | |
b4e8d170 BP |
1620 | "usage: %s [OPTIONS] [DATABASE...]\n" |
1621 | "where each DATABASE is a database file in ovsdb format.\n" | |
1622 | "The default DATABASE, if none is given, is\n%s/conf.db.\n", | |
1623 | program_name, program_name, ovs_dbdir()); | |
f85f8ebb | 1624 | printf("\nJSON-RPC options (may be specified any number of times):\n" |
0b1fae1b | 1625 | " --remote=REMOTE connect or listen to REMOTE\n"); |
9467fe62 | 1626 | stream_usage("JSON-RPC", true, true, true); |
f85f8ebb BP |
1627 | daemon_usage(); |
1628 | vlog_usage(); | |
ae671c5f | 1629 | replication_usage(); |
f85f8ebb | 1630 | printf("\nOther options:\n" |
475afa1b | 1631 | " --run COMMAND run COMMAND as subprocess then exit\n" |
7b38bdc8 | 1632 | " --unixctl=SOCKET override default control socket name\n" |
f85f8ebb BP |
1633 | " -h, --help display this help message\n" |
1634 | " -V, --version display version information\n"); | |
f85f8ebb BP |
1635 | exit(EXIT_SUCCESS); |
1636 | } | |
5f36127e | 1637 | \f |
0a3b723b BP |
1638 | static struct json * |
1639 | sset_to_json(const struct sset *sset) | |
1640 | { | |
1641 | struct json *array; | |
1642 | const char *s; | |
1643 | ||
1644 | array = json_array_create_empty(); | |
1645 | SSET_FOR_EACH (s, sset) { | |
1646 | json_array_add(array, json_string_create(s)); | |
1647 | } | |
1648 | return array; | |
1649 | } | |
1650 | ||
1651 | /* Truncates and replaces the contents of 'config_file' by a representation of | |
1652 | * 'remotes' and 'db_filenames'. */ | |
5f36127e | 1653 | static void |
0a3b723b | 1654 | save_config__(FILE *config_file, const struct sset *remotes, |
60e0cd04 AZ |
1655 | const struct sset *db_filenames, const char *sync_from, |
1656 | const char *sync_exclude, bool is_backup) | |
5f36127e | 1657 | { |
0a3b723b | 1658 | struct json *obj; |
5f36127e BP |
1659 | char *s; |
1660 | ||
1661 | if (ftruncate(fileno(config_file), 0) == -1) { | |
10a89ef0 BP |
1662 | VLOG_FATAL("failed to truncate temporary file (%s)", |
1663 | ovs_strerror(errno)); | |
5f36127e BP |
1664 | } |
1665 | ||
0a3b723b BP |
1666 | obj = json_object_create(); |
1667 | json_object_put(obj, "remotes", sset_to_json(remotes)); | |
1668 | json_object_put(obj, "db_filenames", sset_to_json(db_filenames)); | |
60e0cd04 AZ |
1669 | if (sync_from) { |
1670 | json_object_put(obj, "sync_from", json_string_create(sync_from)); | |
1671 | } | |
1672 | if (sync_exclude) { | |
1673 | json_object_put(obj, "sync_exclude", | |
1674 | json_string_create(sync_exclude)); | |
1675 | } | |
1676 | json_object_put(obj, "is_backup", json_boolean_create(is_backup)); | |
1677 | ||
0a3b723b BP |
1678 | s = json_to_string(obj, 0); |
1679 | json_destroy(obj); | |
5f36127e BP |
1680 | |
1681 | if (fseek(config_file, 0, SEEK_SET) != 0 | |
1682 | || fputs(s, config_file) == EOF | |
1683 | || fflush(config_file) == EOF) { | |
10a89ef0 | 1684 | VLOG_FATAL("failed to write temporary file (%s)", ovs_strerror(errno)); |
5f36127e BP |
1685 | } |
1686 | free(s); | |
1687 | } | |
1688 | ||
0a3b723b BP |
1689 | /* Truncates and replaces the contents of 'config_file' by a representation of |
1690 | * 'config'. */ | |
5f36127e | 1691 | static void |
0a3b723b BP |
1692 | save_config(struct server_config *config) |
1693 | { | |
1694 | struct sset db_filenames; | |
1695 | struct shash_node *node; | |
1696 | ||
1697 | sset_init(&db_filenames); | |
1698 | SHASH_FOR_EACH (node, config->all_dbs) { | |
1699 | struct db *db = node->data; | |
1700 | sset_add(&db_filenames, db->filename); | |
1701 | } | |
1702 | ||
60e0cd04 AZ |
1703 | save_config__(config->config_tmpfile, config->remotes, &db_filenames, |
1704 | *config->sync_from, *config->sync_exclude, | |
1705 | *config->is_backup); | |
0a3b723b BP |
1706 | |
1707 | sset_destroy(&db_filenames); | |
1708 | } | |
1709 | ||
1710 | static void | |
1711 | sset_from_json(struct sset *sset, const struct json *array) | |
5f36127e | 1712 | { |
5f36127e BP |
1713 | size_t i; |
1714 | ||
0a3b723b BP |
1715 | sset_clear(sset); |
1716 | ||
1717 | ovs_assert(array->type == JSON_ARRAY); | |
1718 | for (i = 0; i < array->u.array.n; i++) { | |
1719 | const struct json *elem = array->u.array.elems[i]; | |
1720 | sset_add(sset, json_string(elem)); | |
1721 | } | |
1722 | } | |
1723 | ||
1724 | /* Clears and replaces 'remotes' and 'dbnames' by a configuration read from | |
1725 | * 'config_file', which must have been previously written by save_config(). */ | |
1726 | static void | |
60e0cd04 AZ |
1727 | load_config(FILE *config_file, struct sset *remotes, struct sset *db_filenames, |
1728 | char **sync_from, char **sync_exclude, bool *is_backup) | |
0a3b723b BP |
1729 | { |
1730 | struct json *json; | |
5f36127e BP |
1731 | |
1732 | if (fseek(config_file, 0, SEEK_SET) != 0) { | |
10a89ef0 | 1733 | VLOG_FATAL("seek failed in temporary file (%s)", ovs_strerror(errno)); |
5f36127e BP |
1734 | } |
1735 | json = json_from_stream(config_file); | |
1736 | if (json->type == JSON_STRING) { | |
1737 | VLOG_FATAL("reading json failed (%s)", json_string(json)); | |
1738 | } | |
0a3b723b BP |
1739 | ovs_assert(json->type == JSON_OBJECT); |
1740 | ||
1741 | sset_from_json(remotes, shash_find_data(json_object(json), "remotes")); | |
1742 | sset_from_json(db_filenames, | |
1743 | shash_find_data(json_object(json), "db_filenames")); | |
60e0cd04 AZ |
1744 | |
1745 | struct json *string; | |
1746 | string = shash_find_data(json_object(json), "sync_from"); | |
1747 | free(*sync_from); | |
1748 | *sync_from = string ? xstrdup(json_string(string)) : NULL; | |
1749 | ||
1750 | string = shash_find_data(json_object(json), "sync_exclude"); | |
1751 | free(*sync_exclude); | |
1752 | *sync_exclude = string ? xstrdup(json_string(string)) : NULL; | |
1753 | ||
1754 | *is_backup = json_boolean(shash_find_data(json_object(json), "is_backup")); | |
1755 | ||
5f36127e BP |
1756 | json_destroy(json); |
1757 | } |