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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" |
b4e8d170 | 29 | #include "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" | |
f85f8ebb | 36 | #include "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" | |
0b1fae1b | 45 | #include "row.h" |
0d085684 | 46 | #include "simap.h" |
eeb36a52 | 47 | #include "shash.h" |
9467fe62 | 48 | #include "stream-ssl.h" |
f85f8ebb | 49 | #include "stream.h" |
b3c01ed3 | 50 | #include "sset.h" |
0b1fae1b | 51 | #include "table.h" |
f85f8ebb | 52 | #include "timeval.h" |
0b3e7a8b | 53 | #include "transaction.h" |
f85f8ebb BP |
54 | #include "trigger.h" |
55 | #include "util.h" | |
56 | #include "unixctl.h" | |
97a3c435 | 57 | #include "perf-counter.h" |
e6211adc | 58 | #include "openvswitch/vlog.h" |
5136ce49 | 59 | |
d98e6007 | 60 | VLOG_DEFINE_THIS_MODULE(ovsdb_server); |
f85f8ebb | 61 | |
b4e8d170 BP |
62 | struct db { |
63 | /* Initialized in main(). */ | |
64 | char *filename; | |
65 | struct ovsdb_file *file; | |
66 | struct ovsdb *db; | |
67 | ||
68 | /* Only used by update_remote_status(). */ | |
69 | struct ovsdb_txn *txn; | |
70 | }; | |
71 | ||
78876719 BP |
72 | /* SSL configuration. */ |
73 | static char *private_key_file; | |
74 | static char *certificate_file; | |
75 | static char *ca_cert_file; | |
76 | static bool bootstrap_ca_cert; | |
77 | ||
aa78de9d | 78 | static unixctl_cb_func ovsdb_server_exit; |
ada496b5 | 79 | static unixctl_cb_func ovsdb_server_compact; |
31d0b6c9 | 80 | static unixctl_cb_func ovsdb_server_reconnect; |
97a3c435 AZ |
81 | static unixctl_cb_func ovsdb_server_perf_counters_clear; |
82 | static unixctl_cb_func ovsdb_server_perf_counters_show; | |
e47cb14c | 83 | static unixctl_cb_func ovsdb_server_disable_monitor2; |
aa78de9d | 84 | |
0a3b723b | 85 | struct server_config { |
b421d2af | 86 | struct sset *remotes; |
eeb36a52 | 87 | struct shash *all_dbs; |
5f36127e | 88 | FILE *config_tmpfile; |
0a3b723b | 89 | struct ovsdb_jsonrpc_server *jsonrpc; |
b421d2af BP |
90 | }; |
91 | static unixctl_cb_func ovsdb_server_add_remote; | |
92 | static unixctl_cb_func ovsdb_server_remove_remote; | |
93 | static unixctl_cb_func ovsdb_server_list_remotes; | |
94 | ||
0a3b723b BP |
95 | static unixctl_cb_func ovsdb_server_add_database; |
96 | static unixctl_cb_func ovsdb_server_remove_database; | |
97 | static unixctl_cb_func ovsdb_server_list_databases; | |
98 | ||
99 | static char *open_db(struct server_config *config, const char *filename); | |
03093a4f | 100 | static void close_db(struct db *db); |
eeb36a52 | 101 | |
b4e8d170 | 102 | static void parse_options(int *argc, char **argvp[], |
b3c01ed3 | 103 | struct sset *remotes, char **unixctl_pathp, |
475afa1b | 104 | char **run_command); |
cab50449 | 105 | OVS_NO_RETURN static void usage(void); |
f85f8ebb | 106 | |
0a3b723b BP |
107 | static char *reconfigure_remotes(struct ovsdb_jsonrpc_server *, |
108 | const struct shash *all_dbs, | |
109 | struct sset *remotes); | |
110 | static char *reconfigure_ssl(const struct shash *all_dbs); | |
111 | static void report_error_if_changed(char *error, char **last_errorp); | |
0b1fae1b | 112 | |
0b3e7a8b | 113 | static void update_remote_status(const struct ovsdb_jsonrpc_server *jsonrpc, |
b3c01ed3 | 114 | const struct sset *remotes, |
eeb36a52 | 115 | struct shash *all_dbs); |
0b3e7a8b | 116 | |
0a3b723b BP |
117 | static void save_config__(FILE *config_file, const struct sset *remotes, |
118 | const struct sset *db_filenames); | |
119 | static void save_config(struct server_config *); | |
120 | static void load_config(FILE *config_file, struct sset *remotes, | |
121 | struct sset *db_filenames); | |
5f36127e | 122 | |
513a3f64 ES |
123 | static void |
124 | main_loop(struct ovsdb_jsonrpc_server *jsonrpc, struct shash *all_dbs, | |
125 | struct unixctl_server *unixctl, struct sset *remotes, | |
126 | struct process *run_process, bool *exiting) | |
127 | { | |
128 | char *remotes_error, *ssl_error; | |
129 | struct shash_node *node; | |
130 | long long int status_timer = LLONG_MIN; | |
131 | ||
132 | *exiting = false; | |
133 | ssl_error = NULL; | |
134 | remotes_error = NULL; | |
135 | while (!*exiting) { | |
136 | memory_run(); | |
137 | if (memory_should_report()) { | |
138 | struct simap usage; | |
139 | ||
140 | simap_init(&usage); | |
141 | ovsdb_jsonrpc_server_get_memory_usage(jsonrpc, &usage); | |
e0c73ed1 | 142 | ovsdb_monitor_get_memory_usage(&usage); |
513a3f64 ES |
143 | SHASH_FOR_EACH(node, all_dbs) { |
144 | struct db *db = node->data; | |
145 | ovsdb_get_memory_usage(db->db, &usage); | |
146 | } | |
147 | memory_report(&usage); | |
148 | simap_destroy(&usage); | |
149 | } | |
150 | ||
151 | /* Run unixctl_server_run() before reconfigure_remotes() because | |
152 | * ovsdb-server/add-remote and ovsdb-server/remove-remote can change | |
153 | * the set of remotes that reconfigure_remotes() uses. */ | |
154 | unixctl_server_run(unixctl); | |
155 | ||
156 | report_error_if_changed( | |
157 | reconfigure_remotes(jsonrpc, all_dbs, remotes), | |
158 | &remotes_error); | |
159 | report_error_if_changed(reconfigure_ssl(all_dbs), &ssl_error); | |
160 | ovsdb_jsonrpc_server_run(jsonrpc); | |
161 | ||
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 | ||
173 | /* update Manager status(es) every 5 seconds */ | |
174 | if (time_msec() >= status_timer) { | |
175 | status_timer = time_msec() + 5000; | |
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 | ||
199 | } | |
200 | ||
f85f8ebb BP |
201 | int |
202 | main(int argc, char *argv[]) | |
203 | { | |
aa78de9d | 204 | char *unixctl_path = NULL; |
475afa1b | 205 | char *run_command = NULL; |
f85f8ebb BP |
206 | struct unixctl_server *unixctl; |
207 | struct ovsdb_jsonrpc_server *jsonrpc; | |
0a3b723b BP |
208 | struct sset remotes, db_filenames; |
209 | const char *db_filename; | |
475afa1b | 210 | struct process *run_process; |
aa78de9d | 211 | bool exiting; |
f85f8ebb | 212 | int retval; |
5f36127e | 213 | FILE *config_tmpfile; |
0a3b723b | 214 | struct server_config server_config; |
eeb36a52 | 215 | struct shash all_dbs; |
03093a4f | 216 | struct shash_node *node, *next; |
0a3b723b | 217 | char *error; |
b4e8d170 BP |
218 | int i; |
219 | ||
5f383751 | 220 | ovs_cmdl_proctitle_init(argc, argv); |
f85f8ebb | 221 | set_program_name(argv[0]); |
42dd41ef | 222 | service_start(&argc, &argv); |
8a777cf6 | 223 | fatal_ignore_sigpipe(); |
f85f8ebb BP |
224 | process_init(); |
225 | ||
b4e8d170 | 226 | parse_options(&argc, &argv, &remotes, &unixctl_path, &run_command); |
e91b927d | 227 | daemon_become_new_user(false); |
f85f8ebb | 228 | |
5f36127e BP |
229 | /* Create and initialize 'config_tmpfile' as a temporary file to hold |
230 | * ovsdb-server's most basic configuration, and then save our initial | |
231 | * configuration to it. When --monitor is used, this preserves the effects | |
232 | * of ovs-appctl commands such as ovsdb-server/add-remote (which saves the | |
233 | * new configuration) across crashes. */ | |
234 | config_tmpfile = tmpfile(); | |
235 | if (!config_tmpfile) { | |
236 | ovs_fatal(errno, "failed to create temporary file"); | |
237 | } | |
0a3b723b BP |
238 | |
239 | sset_init(&db_filenames); | |
240 | if (argc > 0) { | |
241 | for (i = 0; i < argc; i++) { | |
242 | sset_add(&db_filenames, argv[i]); | |
243 | } | |
244 | } else { | |
245 | char *default_db = xasprintf("%s/conf.db", ovs_dbdir()); | |
246 | sset_add(&db_filenames, default_db); | |
247 | free(default_db); | |
248 | } | |
249 | ||
250 | server_config.remotes = &remotes; | |
251 | server_config.config_tmpfile = config_tmpfile; | |
252 | ||
253 | save_config__(config_tmpfile, &remotes, &db_filenames); | |
5f36127e | 254 | |
e91b927d | 255 | daemonize_start(false); |
eb077b26 | 256 | |
5f36127e | 257 | /* Load the saved config. */ |
0a3b723b | 258 | load_config(config_tmpfile, &remotes, &db_filenames); |
eeb36a52 GS |
259 | jsonrpc = ovsdb_jsonrpc_server_create(); |
260 | ||
0a3b723b BP |
261 | shash_init(&all_dbs); |
262 | server_config.all_dbs = &all_dbs; | |
263 | server_config.jsonrpc = jsonrpc; | |
7ef28119 WT |
264 | |
265 | perf_counters_init(); | |
266 | ||
0a3b723b BP |
267 | SSET_FOR_EACH (db_filename, &db_filenames) { |
268 | error = open_db(&server_config, db_filename); | |
269 | if (error) { | |
270 | ovs_fatal(0, "%s", error); | |
271 | } | |
b4e8d170 BP |
272 | } |
273 | ||
0a3b723b BP |
274 | error = reconfigure_remotes(jsonrpc, &all_dbs, &remotes); |
275 | if (!error) { | |
276 | error = reconfigure_ssl(&all_dbs); | |
277 | } | |
278 | if (error) { | |
279 | ovs_fatal(0, "%s", error); | |
280 | } | |
f85f8ebb | 281 | |
aa78de9d | 282 | retval = unixctl_server_create(unixctl_path, &unixctl); |
f85f8ebb | 283 | if (retval) { |
4d12270a | 284 | exit(EXIT_FAILURE); |
f85f8ebb BP |
285 | } |
286 | ||
475afa1b BP |
287 | if (run_command) { |
288 | char *run_argv[4]; | |
289 | ||
290 | run_argv[0] = "/bin/sh"; | |
291 | run_argv[1] = "-c"; | |
292 | run_argv[2] = run_command; | |
293 | run_argv[3] = NULL; | |
294 | ||
e1208bc4 | 295 | retval = process_start(run_argv, &run_process); |
475afa1b BP |
296 | if (retval) { |
297 | ovs_fatal(retval, "%s: process failed to start", run_command); | |
298 | } | |
299 | } else { | |
300 | run_process = NULL; | |
301 | } | |
302 | ||
95440284 | 303 | daemonize_complete(); |
aa78de9d | 304 | |
08b9b190 EJ |
305 | if (!run_command) { |
306 | /* ovsdb-server is usually a long-running process, in which case it | |
307 | * makes plenty of sense to log the version, but --run makes | |
308 | * ovsdb-server more like a command-line tool, so skip it. */ | |
309 | VLOG_INFO("%s (Open vSwitch) %s", program_name, VERSION); | |
310 | } | |
9dbc190c | 311 | |
0e15264f | 312 | unixctl_command_register("exit", "", 0, 0, ovsdb_server_exit, &exiting); |
b4e8d170 | 313 | unixctl_command_register("ovsdb-server/compact", "", 0, 1, |
eeb36a52 | 314 | ovsdb_server_compact, &all_dbs); |
0e15264f | 315 | unixctl_command_register("ovsdb-server/reconnect", "", 0, 0, |
7ff2009a | 316 | ovsdb_server_reconnect, jsonrpc); |
aa78de9d | 317 | |
b421d2af | 318 | unixctl_command_register("ovsdb-server/add-remote", "REMOTE", 1, 1, |
0a3b723b | 319 | ovsdb_server_add_remote, &server_config); |
b421d2af | 320 | unixctl_command_register("ovsdb-server/remove-remote", "REMOTE", 1, 1, |
0a3b723b | 321 | ovsdb_server_remove_remote, &server_config); |
b421d2af BP |
322 | unixctl_command_register("ovsdb-server/list-remotes", "", 0, 0, |
323 | ovsdb_server_list_remotes, &remotes); | |
324 | ||
0a3b723b BP |
325 | unixctl_command_register("ovsdb-server/add-db", "DB", 1, 1, |
326 | ovsdb_server_add_database, &server_config); | |
327 | unixctl_command_register("ovsdb-server/remove-db", "DB", 1, 1, | |
328 | ovsdb_server_remove_database, &server_config); | |
329 | unixctl_command_register("ovsdb-server/list-dbs", "", 0, 0, | |
330 | ovsdb_server_list_databases, &all_dbs); | |
97a3c435 AZ |
331 | unixctl_command_register("ovsdb-server/perf-counters-show", "", 0, 0, |
332 | ovsdb_server_perf_counters_show, NULL); | |
333 | unixctl_command_register("ovsdb-server/perf-counters-clear", "", 0, 0, | |
334 | ovsdb_server_perf_counters_clear, NULL); | |
0a3b723b | 335 | |
e47cb14c AZ |
336 | /* Simulate the behavior of OVS release prior to version 2.5 that |
337 | * does not support the monitor2 method. */ | |
338 | unixctl_command_register("ovsdb-server/disable-monitor2", "", 0, 0, | |
339 | ovsdb_server_disable_monitor2, jsonrpc); | |
340 | ||
513a3f64 | 341 | main_loop(jsonrpc, &all_dbs, unixctl, &remotes, run_process, &exiting); |
0d085684 | 342 | |
23935e8b | 343 | ovsdb_jsonrpc_server_destroy(jsonrpc); |
03093a4f | 344 | SHASH_FOR_EACH_SAFE(node, next, &all_dbs) { |
eeb36a52 | 345 | struct db *db = node->data; |
03093a4f RW |
346 | close_db(db); |
347 | shash_delete(&all_dbs, node); | |
b4e8d170 | 348 | } |
d557df96 | 349 | shash_destroy(&all_dbs); |
b3c01ed3 | 350 | sset_destroy(&remotes); |
03093a4f | 351 | sset_destroy(&db_filenames); |
23935e8b | 352 | unixctl_server_destroy(unixctl); |
f85f8ebb | 353 | |
475afa1b BP |
354 | if (run_process && process_exited(run_process)) { |
355 | int status = process_status(run_process); | |
356 | if (status) { | |
357 | ovs_fatal(0, "%s: child exited, %s", | |
358 | run_command, process_status_msg(status)); | |
359 | } | |
360 | } | |
97a3c435 | 361 | perf_counters_destroy(); |
42dd41ef | 362 | service_stop(); |
f85f8ebb BP |
363 | return 0; |
364 | } | |
365 | ||
ebed9f78 BP |
366 | /* Returns true if 'filename' is known to be already open as a database, |
367 | * false if not. | |
368 | * | |
369 | * "False negatives" are possible. */ | |
370 | static bool | |
371 | is_already_open(struct server_config *config OVS_UNUSED, | |
372 | const char *filename OVS_UNUSED) | |
373 | { | |
374 | #ifndef _WIN32 | |
375 | struct stat s; | |
376 | ||
377 | if (!stat(filename, &s)) { | |
378 | struct shash_node *node; | |
379 | ||
380 | SHASH_FOR_EACH (node, config->all_dbs) { | |
381 | struct db *db = node->data; | |
382 | struct stat s2; | |
383 | ||
384 | if (!stat(db->filename, &s2) | |
385 | && s.st_dev == s2.st_dev | |
386 | && s.st_ino == s2.st_ino) { | |
387 | return true; | |
388 | } | |
389 | } | |
390 | } | |
391 | #endif /* !_WIN32 */ | |
392 | ||
393 | return false; | |
394 | } | |
395 | ||
03093a4f RW |
396 | static void |
397 | close_db(struct db *db) | |
398 | { | |
399 | ovsdb_destroy(db->db); | |
400 | free(db->filename); | |
401 | free(db); | |
402 | } | |
403 | ||
0a3b723b BP |
404 | static char * |
405 | open_db(struct server_config *config, const char *filename) | |
eeb36a52 | 406 | { |
0a3b723b BP |
407 | struct ovsdb_error *db_error; |
408 | struct db *db; | |
409 | char *error; | |
eeb36a52 | 410 | |
ebed9f78 BP |
411 | /* If we know that the file is already open, return a good error message. |
412 | * Otherwise, if the file is open, we'll fail later on with a harder to | |
413 | * interpret file locking error. */ | |
414 | if (is_already_open(config, filename)) { | |
415 | return xasprintf("%s: already open", filename); | |
416 | } | |
417 | ||
0a3b723b BP |
418 | db = xzalloc(sizeof *db); |
419 | db->filename = xstrdup(filename); | |
eeb36a52 | 420 | |
0a3b723b BP |
421 | db_error = ovsdb_file_open(db->filename, false, &db->db, &db->file); |
422 | if (db_error) { | |
423 | error = ovsdb_error_to_string(db_error); | |
424 | } else if (!ovsdb_jsonrpc_server_add_db(config->jsonrpc, db->db)) { | |
425 | error = xasprintf("%s: duplicate database name", db->db->schema->name); | |
426 | } else { | |
427 | shash_add_assert(config->all_dbs, db->db->schema->name, db); | |
428 | return NULL; | |
eeb36a52 GS |
429 | } |
430 | ||
0a3b723b | 431 | ovsdb_error_destroy(db_error); |
03093a4f | 432 | close_db(db); |
0a3b723b | 433 | return error; |
eeb36a52 GS |
434 | } |
435 | ||
b4e8d170 | 436 | static const struct db * |
eeb36a52 | 437 | find_db(const struct shash *all_dbs, const char *db_name) |
b4e8d170 | 438 | { |
eeb36a52 | 439 | struct shash_node *node; |
b4e8d170 | 440 | |
eeb36a52 GS |
441 | SHASH_FOR_EACH(node, all_dbs) { |
442 | struct db *db = node->data; | |
443 | if (!strcmp(db->db->schema->name, db_name)) { | |
444 | return db; | |
b4e8d170 BP |
445 | } |
446 | } | |
447 | ||
448 | return NULL; | |
449 | } | |
450 | ||
cab50449 | 451 | static char * OVS_WARN_UNUSED_RESULT |
eeb36a52 | 452 | parse_db_column__(const struct shash *all_dbs, |
c02cf07b BP |
453 | const char *name_, char *name, |
454 | const struct db **dbp, | |
455 | const struct ovsdb_table **tablep, | |
456 | const struct ovsdb_column **columnp) | |
0b1fae1b | 457 | { |
fb6de52c | 458 | const char *db_name, *table_name, *column_name; |
0b1fae1b BP |
459 | const struct ovsdb_column *column; |
460 | const struct ovsdb_table *table; | |
b4e8d170 | 461 | const char *tokens[3]; |
0b1fae1b | 462 | char *save_ptr = NULL; |
b4e8d170 | 463 | const struct db *db; |
0b1fae1b | 464 | |
c02cf07b BP |
465 | *dbp = NULL; |
466 | *tablep = NULL; | |
467 | *columnp = NULL; | |
468 | ||
b0ef0551 | 469 | strtok_r(name, ":", &save_ptr); /* "db:" */ |
b4e8d170 BP |
470 | tokens[0] = strtok_r(NULL, ",", &save_ptr); |
471 | tokens[1] = strtok_r(NULL, ",", &save_ptr); | |
472 | tokens[2] = strtok_r(NULL, ",", &save_ptr); | |
fb6de52c | 473 | if (!tokens[0] || !tokens[1] || !tokens[2]) { |
c02cf07b | 474 | return xasprintf("\"%s\": invalid syntax", name_); |
0b1fae1b | 475 | } |
b4e8d170 | 476 | |
fb6de52c GS |
477 | db_name = tokens[0]; |
478 | table_name = tokens[1]; | |
479 | column_name = tokens[2]; | |
480 | ||
481 | db = find_db(all_dbs, tokens[0]); | |
482 | if (!db) { | |
483 | return xasprintf("\"%s\": no database named %s", name_, db_name); | |
b4e8d170 | 484 | } |
0b1fae1b | 485 | |
b4e8d170 | 486 | table = ovsdb_get_table(db->db, table_name); |
0b1fae1b | 487 | if (!table) { |
c02cf07b | 488 | return xasprintf("\"%s\": no table named %s", name_, table_name); |
0b1fae1b BP |
489 | } |
490 | ||
491 | column = ovsdb_table_schema_get_column(table->schema, column_name); | |
492 | if (!column) { | |
c02cf07b BP |
493 | return xasprintf("\"%s\": table \"%s\" has no column \"%s\"", |
494 | name_, table_name, column_name); | |
0b1fae1b BP |
495 | } |
496 | ||
b4e8d170 | 497 | *dbp = db; |
94db5407 BP |
498 | *columnp = column; |
499 | *tablep = table; | |
c02cf07b | 500 | return NULL; |
94db5407 BP |
501 | } |
502 | ||
c02cf07b BP |
503 | /* Returns NULL if successful, otherwise a malloc()'d string describing the |
504 | * error. */ | |
cab50449 | 505 | static char * OVS_WARN_UNUSED_RESULT |
eeb36a52 | 506 | parse_db_column(const struct shash *all_dbs, |
c02cf07b BP |
507 | const char *name_, |
508 | const struct db **dbp, | |
509 | const struct ovsdb_table **tablep, | |
510 | const struct ovsdb_column **columnp) | |
511 | { | |
512 | char *name = xstrdup(name_); | |
eeb36a52 | 513 | char *retval = parse_db_column__(all_dbs, name_, name, |
c02cf07b BP |
514 | dbp, tablep, columnp); |
515 | free(name); | |
516 | return retval; | |
517 | } | |
518 | ||
519 | /* Returns NULL if successful, otherwise a malloc()'d string describing the | |
520 | * error. */ | |
cab50449 | 521 | static char * OVS_WARN_UNUSED_RESULT |
eeb36a52 | 522 | parse_db_string_column(const struct shash *all_dbs, |
94db5407 | 523 | const char *name, |
b4e8d170 | 524 | const struct db **dbp, |
94db5407 BP |
525 | const struct ovsdb_table **tablep, |
526 | const struct ovsdb_column **columnp) | |
527 | { | |
c02cf07b | 528 | char *retval; |
94db5407 | 529 | |
eeb36a52 | 530 | retval = parse_db_column(all_dbs, name, dbp, tablep, columnp); |
c02cf07b BP |
531 | if (retval) { |
532 | return retval; | |
533 | } | |
94db5407 | 534 | |
c02cf07b BP |
535 | if ((*columnp)->type.key.type != OVSDB_TYPE_STRING |
536 | || (*columnp)->type.value.type != OVSDB_TYPE_VOID) { | |
537 | return xasprintf("\"%s\": table \"%s\" column \"%s\" is " | |
538 | "not string or set of strings", | |
539 | name, (*tablep)->schema->name, (*columnp)->name); | |
78876719 BP |
540 | } |
541 | ||
c02cf07b | 542 | return NULL; |
78876719 BP |
543 | } |
544 | ||
0a3b723b BP |
545 | static const char * |
546 | query_db_string(const struct shash *all_dbs, const char *name, | |
547 | struct ds *errors) | |
78876719 BP |
548 | { |
549 | if (!name || strncmp(name, "db:", 3)) { | |
550 | return name; | |
551 | } else { | |
552 | const struct ovsdb_column *column; | |
553 | const struct ovsdb_table *table; | |
554 | const struct ovsdb_row *row; | |
b4e8d170 | 555 | const struct db *db; |
c02cf07b | 556 | char *retval; |
78876719 | 557 | |
eeb36a52 | 558 | retval = parse_db_string_column(all_dbs, name, |
c02cf07b BP |
559 | &db, &table, &column); |
560 | if (retval) { | |
0a3b723b | 561 | ds_put_format(errors, "%s\n", retval); |
0ded15d4 | 562 | free(retval); |
0a3b723b | 563 | return NULL; |
c02cf07b | 564 | } |
78876719 | 565 | |
4e8e4213 | 566 | HMAP_FOR_EACH (row, hmap_node, &table->rows) { |
78876719 BP |
567 | const struct ovsdb_datum *datum; |
568 | size_t i; | |
569 | ||
570 | datum = &row->fields[column->index]; | |
571 | for (i = 0; i < datum->n; i++) { | |
572 | if (datum->keys[i].string[0]) { | |
573 | return datum->keys[i].string; | |
574 | } | |
575 | } | |
576 | } | |
577 | return NULL; | |
0b1fae1b | 578 | } |
78876719 BP |
579 | } |
580 | ||
94db5407 BP |
581 | static struct ovsdb_jsonrpc_options * |
582 | add_remote(struct shash *remotes, const char *target) | |
583 | { | |
584 | struct ovsdb_jsonrpc_options *options; | |
585 | ||
586 | options = shash_find_data(remotes, target); | |
587 | if (!options) { | |
f1936eb6 | 588 | options = ovsdb_jsonrpc_default_options(target); |
94db5407 BP |
589 | shash_add(remotes, target, options); |
590 | } | |
591 | ||
592 | return options; | |
593 | } | |
594 | ||
0b3e7a8b AE |
595 | static struct ovsdb_datum * |
596 | get_datum(struct ovsdb_row *row, const char *column_name, | |
597 | const enum ovsdb_atomic_type key_type, | |
598 | const enum ovsdb_atomic_type value_type, | |
599 | const size_t n_max) | |
94db5407 BP |
600 | { |
601 | static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 1); | |
602 | const struct ovsdb_table_schema *schema = row->table->schema; | |
603 | const struct ovsdb_column *column; | |
94db5407 BP |
604 | |
605 | column = ovsdb_table_schema_get_column(schema, column_name); | |
606 | if (!column) { | |
607 | VLOG_DBG_RL(&rl, "Table `%s' has no `%s' column", | |
608 | schema->name, column_name); | |
0b3e7a8b | 609 | return NULL; |
94db5407 BP |
610 | } |
611 | ||
0b3e7a8b AE |
612 | if (column->type.key.type != key_type |
613 | || column->type.value.type != value_type | |
614 | || column->type.n_max != n_max) { | |
94db5407 BP |
615 | if (!VLOG_DROP_DBG(&rl)) { |
616 | char *type_name = ovsdb_type_to_english(&column->type); | |
617 | VLOG_DBG("Table `%s' column `%s' has type %s, not expected " | |
34582733 | 618 | "key type %s, value type %s, max elements %"PRIuSIZE".", |
0b3e7a8b AE |
619 | schema->name, column_name, type_name, |
620 | ovsdb_atomic_type_to_string(key_type), | |
621 | ovsdb_atomic_type_to_string(value_type), | |
622 | n_max); | |
623 | free(type_name); | |
94db5407 | 624 | } |
0b3e7a8b | 625 | return NULL; |
94db5407 BP |
626 | } |
627 | ||
0b3e7a8b AE |
628 | return &row->fields[column->index]; |
629 | } | |
630 | ||
cea15768 EJ |
631 | /* Read string-string key-values from a map. Returns the value associated with |
632 | * 'key', if found, or NULL */ | |
633 | static const char * | |
f125905c | 634 | read_map_string_column(const struct ovsdb_row *row, const char *column_name, |
cea15768 | 635 | const char *key) |
f125905c MM |
636 | { |
637 | const struct ovsdb_datum *datum; | |
638 | union ovsdb_atom *atom_key = NULL, *atom_value = NULL; | |
639 | size_t i; | |
640 | ||
ebc56baa BP |
641 | datum = get_datum(CONST_CAST(struct ovsdb_row *, row), column_name, |
642 | OVSDB_TYPE_STRING, OVSDB_TYPE_STRING, UINT_MAX); | |
f125905c MM |
643 | |
644 | if (!datum) { | |
cea15768 | 645 | return NULL; |
f125905c MM |
646 | } |
647 | ||
648 | for (i = 0; i < datum->n; i++) { | |
649 | atom_key = &datum->keys[i]; | |
650 | if (!strcmp(atom_key->string, key)){ | |
651 | atom_value = &datum->values[i]; | |
652 | break; | |
653 | } | |
654 | } | |
655 | ||
cea15768 | 656 | return atom_value ? atom_value->string : NULL; |
f125905c MM |
657 | } |
658 | ||
0b3e7a8b AE |
659 | static const union ovsdb_atom * |
660 | read_column(const struct ovsdb_row *row, const char *column_name, | |
661 | enum ovsdb_atomic_type type) | |
662 | { | |
663 | const struct ovsdb_datum *datum; | |
664 | ||
ebc56baa BP |
665 | datum = get_datum(CONST_CAST(struct ovsdb_row *, row), column_name, type, |
666 | OVSDB_TYPE_VOID, 1); | |
0b3e7a8b | 667 | return datum && datum->n ? datum->keys : NULL; |
94db5407 BP |
668 | } |
669 | ||
670 | static bool | |
671 | read_integer_column(const struct ovsdb_row *row, const char *column_name, | |
672 | long long int *integerp) | |
673 | { | |
674 | const union ovsdb_atom *atom; | |
675 | ||
676 | atom = read_column(row, column_name, OVSDB_TYPE_INTEGER); | |
677 | *integerp = atom ? atom->integer : 0; | |
678 | return atom != NULL; | |
679 | } | |
680 | ||
681 | static bool | |
682 | read_string_column(const struct ovsdb_row *row, const char *column_name, | |
683 | const char **stringp) | |
684 | { | |
685 | const union ovsdb_atom *atom; | |
686 | ||
687 | atom = read_column(row, column_name, OVSDB_TYPE_STRING); | |
e3c17733 | 688 | *stringp = atom ? atom->string : NULL; |
94db5407 BP |
689 | return atom != NULL; |
690 | } | |
691 | ||
0b3e7a8b AE |
692 | static void |
693 | write_bool_column(struct ovsdb_row *row, const char *column_name, bool value) | |
694 | { | |
c824c8a3 BP |
695 | const struct ovsdb_column *column; |
696 | struct ovsdb_datum *datum; | |
0b3e7a8b | 697 | |
c824c8a3 BP |
698 | column = ovsdb_table_schema_get_column(row->table->schema, column_name); |
699 | datum = get_datum(row, column_name, OVSDB_TYPE_BOOLEAN, | |
700 | OVSDB_TYPE_VOID, 1); | |
0b3e7a8b AE |
701 | if (!datum) { |
702 | return; | |
703 | } | |
c824c8a3 BP |
704 | |
705 | if (datum->n != 1) { | |
706 | ovsdb_datum_destroy(datum, &column->type); | |
707 | ||
708 | datum->n = 1; | |
709 | datum->keys = xmalloc(sizeof *datum->keys); | |
710 | datum->values = NULL; | |
711 | } | |
712 | ||
0b3e7a8b AE |
713 | datum->keys[0].boolean = value; |
714 | } | |
715 | ||
716 | static void | |
717 | write_string_string_column(struct ovsdb_row *row, const char *column_name, | |
718 | char **keys, char **values, size_t n) | |
719 | { | |
720 | const struct ovsdb_column *column; | |
721 | struct ovsdb_datum *datum; | |
722 | size_t i; | |
723 | ||
724 | column = ovsdb_table_schema_get_column(row->table->schema, column_name); | |
725 | datum = get_datum(row, column_name, OVSDB_TYPE_STRING, OVSDB_TYPE_STRING, | |
726 | UINT_MAX); | |
727 | if (!datum) { | |
bfe834eb BP |
728 | for (i = 0; i < n; i++) { |
729 | free(keys[i]); | |
730 | free(values[i]); | |
731 | } | |
0b3e7a8b AE |
732 | return; |
733 | } | |
734 | ||
735 | /* Free existing data. */ | |
736 | ovsdb_datum_destroy(datum, &column->type); | |
737 | ||
738 | /* Allocate space for new values. */ | |
739 | datum->n = n; | |
740 | datum->keys = xmalloc(n * sizeof *datum->keys); | |
741 | datum->values = xmalloc(n * sizeof *datum->values); | |
742 | ||
743 | for (i = 0; i < n; ++i) { | |
744 | datum->keys[i].string = keys[i]; | |
745 | datum->values[i].string = values[i]; | |
746 | } | |
747 | ||
748 | /* Sort and check constraints. */ | |
749 | ovsdb_datum_sort_assert(datum, column->type.key.type); | |
750 | } | |
751 | ||
94db5407 BP |
752 | /* Adds a remote and options to 'remotes', based on the Manager table row in |
753 | * 'row'. */ | |
754 | static void | |
755 | add_manager_options(struct shash *remotes, const struct ovsdb_row *row) | |
756 | { | |
757 | static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 1); | |
758 | struct ovsdb_jsonrpc_options *options; | |
759 | long long int max_backoff, probe_interval; | |
cea15768 | 760 | const char *target, *dscp_string; |
94db5407 BP |
761 | |
762 | if (!read_string_column(row, "target", &target) || !target) { | |
763 | VLOG_INFO_RL(&rl, "Table `%s' has missing or invalid `target' column", | |
764 | row->table->schema->name); | |
765 | return; | |
766 | } | |
767 | ||
768 | options = add_remote(remotes, target); | |
769 | if (read_integer_column(row, "max_backoff", &max_backoff)) { | |
770 | options->max_backoff = max_backoff; | |
771 | } | |
f441c1a8 | 772 | if (read_integer_column(row, "inactivity_probe", &probe_interval)) { |
94db5407 BP |
773 | options->probe_interval = probe_interval; |
774 | } | |
f125905c | 775 | |
cea15768 EJ |
776 | options->dscp = DSCP_DEFAULT; |
777 | dscp_string = read_map_string_column(row, "other_config", "dscp"); | |
778 | if (dscp_string) { | |
779 | int dscp = atoi(dscp_string); | |
780 | if (dscp >= 0 && dscp <= 63) { | |
781 | options->dscp = dscp; | |
782 | } | |
783 | } | |
94db5407 BP |
784 | } |
785 | ||
78876719 | 786 | static void |
eeb36a52 | 787 | query_db_remotes(const char *name, const struct shash *all_dbs, |
0a3b723b | 788 | struct shash *remotes, struct ds *errors) |
78876719 BP |
789 | { |
790 | const struct ovsdb_column *column; | |
791 | const struct ovsdb_table *table; | |
792 | const struct ovsdb_row *row; | |
b4e8d170 | 793 | const struct db *db; |
c02cf07b | 794 | char *retval; |
78876719 | 795 | |
eeb36a52 | 796 | retval = parse_db_column(all_dbs, name, &db, &table, &column); |
c02cf07b | 797 | if (retval) { |
0a3b723b BP |
798 | ds_put_format(errors, "%s\n", retval); |
799 | free(retval); | |
800 | return; | |
c02cf07b | 801 | } |
0b1fae1b | 802 | |
94db5407 BP |
803 | if (column->type.key.type == OVSDB_TYPE_STRING |
804 | && column->type.value.type == OVSDB_TYPE_VOID) { | |
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 | add_remote(remotes, datum->keys[i].string); | |
812 | } | |
813 | } | |
814 | } else if (column->type.key.type == OVSDB_TYPE_UUID | |
815 | && column->type.key.u.uuid.refTable | |
816 | && column->type.value.type == OVSDB_TYPE_VOID) { | |
817 | const struct ovsdb_table *ref_table = column->type.key.u.uuid.refTable; | |
818 | HMAP_FOR_EACH (row, hmap_node, &table->rows) { | |
819 | const struct ovsdb_datum *datum; | |
820 | size_t i; | |
821 | ||
822 | datum = &row->fields[column->index]; | |
823 | for (i = 0; i < datum->n; i++) { | |
824 | const struct ovsdb_row *ref_row; | |
0b1fae1b | 825 | |
94db5407 BP |
826 | ref_row = ovsdb_table_get_row(ref_table, &datum->keys[i].uuid); |
827 | if (ref_row) { | |
828 | add_manager_options(remotes, ref_row); | |
829 | } | |
830 | } | |
0b1fae1b BP |
831 | } |
832 | } | |
833 | } | |
834 | ||
0b3e7a8b AE |
835 | static void |
836 | update_remote_row(const struct ovsdb_row *row, struct ovsdb_txn *txn, | |
87fcbc60 | 837 | const struct ovsdb_jsonrpc_server *jsonrpc) |
0b3e7a8b | 838 | { |
87fcbc60 | 839 | struct ovsdb_jsonrpc_remote_status status; |
0b3e7a8b AE |
840 | struct ovsdb_row *rw_row; |
841 | const char *target; | |
798e1352 | 842 | char *keys[9], *values[9]; |
0b3e7a8b AE |
843 | size_t n = 0; |
844 | ||
845 | /* Get the "target" (protocol/host/port) spec. */ | |
846 | if (!read_string_column(row, "target", &target)) { | |
847 | /* Bad remote spec or incorrect schema. */ | |
848 | return; | |
849 | } | |
0b3e7a8b | 850 | rw_row = ovsdb_txn_row_modify(txn, row); |
87fcbc60 | 851 | ovsdb_jsonrpc_server_get_remote_status(jsonrpc, target, &status); |
0b3e7a8b AE |
852 | |
853 | /* Update status information columns. */ | |
87fcbc60 | 854 | write_bool_column(rw_row, "is_connected", status.is_connected); |
0b3e7a8b | 855 | |
87fcbc60 BP |
856 | if (status.state) { |
857 | keys[n] = xstrdup("state"); | |
858 | values[n++] = xstrdup(status.state); | |
859 | } | |
860 | if (status.sec_since_connect != UINT_MAX) { | |
5eda645e | 861 | keys[n] = xstrdup("sec_since_connect"); |
87fcbc60 | 862 | values[n++] = xasprintf("%u", status.sec_since_connect); |
5eda645e | 863 | } |
87fcbc60 | 864 | if (status.sec_since_disconnect != UINT_MAX) { |
5eda645e | 865 | keys[n] = xstrdup("sec_since_disconnect"); |
87fcbc60 | 866 | values[n++] = xasprintf("%u", status.sec_since_disconnect); |
5eda645e | 867 | } |
87fcbc60 | 868 | if (status.last_error) { |
0b3e7a8b AE |
869 | keys[n] = xstrdup("last_error"); |
870 | values[n++] = | |
87fcbc60 | 871 | xstrdup(ovs_retval_to_string(status.last_error)); |
0b3e7a8b | 872 | } |
da897f41 BP |
873 | if (status.locks_held && status.locks_held[0]) { |
874 | keys[n] = xstrdup("locks_held"); | |
875 | values[n++] = xstrdup(status.locks_held); | |
876 | } | |
877 | if (status.locks_waiting && status.locks_waiting[0]) { | |
878 | keys[n] = xstrdup("locks_waiting"); | |
879 | values[n++] = xstrdup(status.locks_waiting); | |
880 | } | |
881 | if (status.locks_lost && status.locks_lost[0]) { | |
882 | keys[n] = xstrdup("locks_lost"); | |
883 | values[n++] = xstrdup(status.locks_lost); | |
884 | } | |
a11f6164 BP |
885 | if (status.n_connections > 1) { |
886 | keys[n] = xstrdup("n_connections"); | |
887 | values[n++] = xasprintf("%d", status.n_connections); | |
888 | } | |
798e1352 BP |
889 | if (status.bound_port != htons(0)) { |
890 | keys[n] = xstrdup("bound_port"); | |
891 | values[n++] = xasprintf("%"PRIu16, ntohs(status.bound_port)); | |
892 | } | |
0b3e7a8b | 893 | write_string_string_column(rw_row, "status", keys, values, n); |
da897f41 BP |
894 | |
895 | ovsdb_jsonrpc_server_free_remote_status(&status); | |
0b3e7a8b AE |
896 | } |
897 | ||
898 | static void | |
eeb36a52 | 899 | update_remote_rows(const struct shash *all_dbs, |
87fcbc60 BP |
900 | const char *remote_name, |
901 | const struct ovsdb_jsonrpc_server *jsonrpc) | |
0b3e7a8b AE |
902 | { |
903 | const struct ovsdb_table *table, *ref_table; | |
904 | const struct ovsdb_column *column; | |
905 | const struct ovsdb_row *row; | |
b4e8d170 | 906 | const struct db *db; |
c02cf07b | 907 | char *retval; |
0b3e7a8b AE |
908 | |
909 | if (strncmp("db:", remote_name, 3)) { | |
910 | return; | |
911 | } | |
912 | ||
eeb36a52 | 913 | retval = parse_db_column(all_dbs, remote_name, &db, &table, &column); |
c02cf07b | 914 | if (retval) { |
0a3b723b BP |
915 | free(retval); |
916 | return; | |
c02cf07b | 917 | } |
0b3e7a8b AE |
918 | |
919 | if (column->type.key.type != OVSDB_TYPE_UUID | |
920 | || !column->type.key.u.uuid.refTable | |
921 | || column->type.value.type != OVSDB_TYPE_VOID) { | |
922 | return; | |
923 | } | |
924 | ||
925 | ref_table = column->type.key.u.uuid.refTable; | |
926 | ||
927 | HMAP_FOR_EACH (row, hmap_node, &table->rows) { | |
928 | const struct ovsdb_datum *datum; | |
929 | size_t i; | |
930 | ||
931 | datum = &row->fields[column->index]; | |
932 | for (i = 0; i < datum->n; i++) { | |
933 | const struct ovsdb_row *ref_row; | |
934 | ||
935 | ref_row = ovsdb_table_get_row(ref_table, &datum->keys[i].uuid); | |
936 | if (ref_row) { | |
b4e8d170 | 937 | update_remote_row(ref_row, db->txn, jsonrpc); |
0b3e7a8b AE |
938 | } |
939 | } | |
940 | } | |
941 | } | |
942 | ||
943 | static void | |
944 | update_remote_status(const struct ovsdb_jsonrpc_server *jsonrpc, | |
b4e8d170 | 945 | const struct sset *remotes, |
eeb36a52 | 946 | struct shash *all_dbs) |
0b3e7a8b AE |
947 | { |
948 | static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 1); | |
b3c01ed3 | 949 | const char *remote; |
eeb36a52 GS |
950 | struct db *db; |
951 | struct shash_node *node; | |
0b3e7a8b | 952 | |
eeb36a52 GS |
953 | SHASH_FOR_EACH(node, all_dbs) { |
954 | db = node->data; | |
955 | db->txn = ovsdb_txn_create(db->db); | |
b4e8d170 | 956 | } |
0b3e7a8b AE |
957 | |
958 | /* Iterate over --remote arguments given on command line. */ | |
b3c01ed3 | 959 | SSET_FOR_EACH (remote, remotes) { |
eeb36a52 | 960 | update_remote_rows(all_dbs, remote, jsonrpc); |
0b3e7a8b AE |
961 | } |
962 | ||
eeb36a52 GS |
963 | SHASH_FOR_EACH(node, all_dbs) { |
964 | struct ovsdb_error *error; | |
965 | db = node->data; | |
966 | error = ovsdb_txn_commit(db->txn, false); | |
b4e8d170 BP |
967 | if (error) { |
968 | VLOG_ERR_RL(&rl, "Failed to update remote status: %s", | |
969 | ovsdb_error_to_string(error)); | |
970 | ovsdb_error_destroy(error); | |
971 | } | |
0b3e7a8b | 972 | } |
0b3e7a8b AE |
973 | } |
974 | ||
0a3b723b BP |
975 | /* Reconfigures ovsdb-server's remotes based on information in the database. */ |
976 | static char * | |
977 | reconfigure_remotes(struct ovsdb_jsonrpc_server *jsonrpc, | |
eeb36a52 | 978 | const struct shash *all_dbs, struct sset *remotes) |
0b1fae1b | 979 | { |
0a3b723b | 980 | struct ds errors = DS_EMPTY_INITIALIZER; |
0b1fae1b | 981 | struct shash resolved_remotes; |
b3c01ed3 | 982 | const char *name; |
0b1fae1b | 983 | |
78876719 | 984 | /* Configure remotes. */ |
0b1fae1b | 985 | shash_init(&resolved_remotes); |
b3c01ed3 | 986 | SSET_FOR_EACH (name, remotes) { |
0b1fae1b | 987 | if (!strncmp(name, "db:", 3)) { |
0a3b723b | 988 | query_db_remotes(name, all_dbs, &resolved_remotes, &errors); |
0b1fae1b | 989 | } else { |
94db5407 | 990 | add_remote(&resolved_remotes, name); |
0b1fae1b BP |
991 | } |
992 | } | |
993 | ovsdb_jsonrpc_server_set_remotes(jsonrpc, &resolved_remotes); | |
88b64974 | 994 | shash_destroy_free_data(&resolved_remotes); |
0b1fae1b | 995 | |
0a3b723b BP |
996 | return errors.string; |
997 | } | |
998 | ||
999 | static char * | |
1000 | reconfigure_ssl(const struct shash *all_dbs) | |
1001 | { | |
1002 | struct ds errors = DS_EMPTY_INITIALIZER; | |
1003 | const char *resolved_private_key; | |
1004 | const char *resolved_certificate; | |
1005 | const char *resolved_ca_cert; | |
1006 | ||
1007 | resolved_private_key = query_db_string(all_dbs, private_key_file, &errors); | |
1008 | resolved_certificate = query_db_string(all_dbs, certificate_file, &errors); | |
1009 | resolved_ca_cert = query_db_string(all_dbs, ca_cert_file, &errors); | |
1010 | ||
1011 | stream_ssl_set_key_and_cert(resolved_private_key, resolved_certificate); | |
1012 | stream_ssl_set_ca_cert_file(resolved_ca_cert, bootstrap_ca_cert); | |
1013 | ||
1014 | return errors.string; | |
1015 | } | |
1016 | ||
1017 | static void | |
1018 | report_error_if_changed(char *error, char **last_errorp) | |
1019 | { | |
1020 | if (error) { | |
1021 | if (!*last_errorp || strcmp(error, *last_errorp)) { | |
1022 | VLOG_WARN("%s", error); | |
1023 | free(*last_errorp); | |
1024 | *last_errorp = error; | |
1025 | return; | |
1026 | } | |
1027 | free(error); | |
1028 | } else { | |
1029 | free(*last_errorp); | |
1030 | *last_errorp = NULL; | |
1031 | } | |
78876719 | 1032 | } |
0b1fae1b | 1033 | |
aa78de9d | 1034 | static void |
0e15264f BP |
1035 | ovsdb_server_exit(struct unixctl_conn *conn, int argc OVS_UNUSED, |
1036 | const char *argv[] OVS_UNUSED, | |
aa78de9d BP |
1037 | void *exiting_) |
1038 | { | |
1039 | bool *exiting = exiting_; | |
1040 | *exiting = true; | |
bde9f75d | 1041 | unixctl_command_reply(conn, NULL); |
97a3c435 AZ |
1042 | } |
1043 | ||
1044 | static void | |
1045 | ovsdb_server_perf_counters_show(struct unixctl_conn *conn, int argc OVS_UNUSED, | |
1046 | const char *argv[] OVS_UNUSED, | |
1047 | void *arg_ OVS_UNUSED) | |
1048 | { | |
1049 | char *s = perf_counters_to_string(); | |
1050 | ||
1051 | unixctl_command_reply(conn, s); | |
1052 | free(s); | |
1053 | } | |
1054 | ||
1055 | static void | |
1056 | ovsdb_server_perf_counters_clear(struct unixctl_conn *conn, int argc OVS_UNUSED, | |
1057 | const char *argv[] OVS_UNUSED, | |
1058 | void *arg_ OVS_UNUSED) | |
1059 | { | |
1060 | perf_counters_clear(); | |
1061 | unixctl_command_reply(conn, NULL); | |
aa78de9d BP |
1062 | } |
1063 | ||
e47cb14c AZ |
1064 | /* "ovsdb-server/disable-monitor2": makes ovsdb-server drop all of its |
1065 | * JSON-RPC connections and reconnect. New sessions will not recognize | |
1066 | * the 'monitor2' method. */ | |
1067 | static void | |
1068 | ovsdb_server_disable_monitor2(struct unixctl_conn *conn, int argc OVS_UNUSED, | |
1069 | const char *argv[] OVS_UNUSED, void *jsonrpc_) | |
1070 | { | |
1071 | struct ovsdb_jsonrpc_server *jsonrpc = jsonrpc_; | |
1072 | ||
1073 | ovsdb_jsonrpc_disable_monitor2(); | |
1074 | ovsdb_jsonrpc_server_reconnect(jsonrpc); | |
1075 | unixctl_command_reply(conn, NULL); | |
1076 | } | |
1077 | ||
ada496b5 | 1078 | static void |
b4e8d170 BP |
1079 | ovsdb_server_compact(struct unixctl_conn *conn, int argc, |
1080 | const char *argv[], void *dbs_) | |
ada496b5 | 1081 | { |
eeb36a52 | 1082 | struct shash *all_dbs = dbs_; |
b4e8d170 BP |
1083 | struct ds reply; |
1084 | struct db *db; | |
eeb36a52 | 1085 | struct shash_node *node; |
b4e8d170 | 1086 | int n = 0; |
ada496b5 | 1087 | |
b4e8d170 | 1088 | ds_init(&reply); |
eeb36a52 GS |
1089 | SHASH_FOR_EACH(node, all_dbs) { |
1090 | const char *name; | |
1091 | ||
1092 | db = node->data; | |
1093 | name = db->db->schema->name; | |
b4e8d170 BP |
1094 | |
1095 | if (argc < 2 || !strcmp(argv[1], name)) { | |
1096 | struct ovsdb_error *error; | |
1097 | ||
1098 | VLOG_INFO("compacting %s database by user request", name); | |
1099 | ||
1100 | error = ovsdb_file_compact(db->file); | |
1101 | if (error) { | |
1102 | char *s = ovsdb_error_to_string(error); | |
1103 | ds_put_format(&reply, "%s\n", s); | |
1104 | free(s); | |
9c0639a4 | 1105 | ovsdb_error_destroy(error); |
b4e8d170 BP |
1106 | } |
1107 | ||
1108 | n++; | |
1109 | } | |
1110 | } | |
1111 | ||
1112 | if (!n) { | |
1113 | unixctl_command_reply_error(conn, "no database by that name"); | |
1114 | } else if (reply.length) { | |
1115 | unixctl_command_reply_error(conn, ds_cstr(&reply)); | |
ada496b5 | 1116 | } else { |
b4e8d170 | 1117 | unixctl_command_reply(conn, NULL); |
ada496b5 | 1118 | } |
b4e8d170 | 1119 | ds_destroy(&reply); |
ada496b5 BP |
1120 | } |
1121 | ||
31d0b6c9 BP |
1122 | /* "ovsdb-server/reconnect": makes ovsdb-server drop all of its JSON-RPC |
1123 | * connections and reconnect. */ | |
1124 | static void | |
0e15264f BP |
1125 | ovsdb_server_reconnect(struct unixctl_conn *conn, int argc OVS_UNUSED, |
1126 | const char *argv[] OVS_UNUSED, void *jsonrpc_) | |
31d0b6c9 BP |
1127 | { |
1128 | struct ovsdb_jsonrpc_server *jsonrpc = jsonrpc_; | |
1129 | ||
1130 | ovsdb_jsonrpc_server_reconnect(jsonrpc); | |
bde9f75d | 1131 | unixctl_command_reply(conn, NULL); |
31d0b6c9 BP |
1132 | } |
1133 | ||
b421d2af BP |
1134 | /* "ovsdb-server/add-remote REMOTE": adds REMOTE to the set of remotes that |
1135 | * ovsdb-server services. */ | |
1136 | static void | |
1137 | ovsdb_server_add_remote(struct unixctl_conn *conn, int argc OVS_UNUSED, | |
0a3b723b | 1138 | const char *argv[], void *config_) |
b421d2af | 1139 | { |
0a3b723b | 1140 | struct server_config *config = config_; |
b421d2af BP |
1141 | const char *remote = argv[1]; |
1142 | ||
1143 | const struct ovsdb_column *column; | |
1144 | const struct ovsdb_table *table; | |
1145 | const struct db *db; | |
1146 | char *retval; | |
1147 | ||
1148 | retval = (strncmp("db:", remote, 3) | |
1149 | ? NULL | |
0a3b723b | 1150 | : parse_db_column(config->all_dbs, remote, |
b421d2af BP |
1151 | &db, &table, &column)); |
1152 | if (!retval) { | |
0a3b723b BP |
1153 | if (sset_add(config->remotes, remote)) { |
1154 | save_config(config); | |
5f36127e | 1155 | } |
b421d2af BP |
1156 | unixctl_command_reply(conn, NULL); |
1157 | } else { | |
1158 | unixctl_command_reply_error(conn, retval); | |
1159 | free(retval); | |
1160 | } | |
1161 | } | |
1162 | ||
1163 | /* "ovsdb-server/remove-remote REMOTE": removes REMOTE frmo the set of remotes | |
1164 | * that ovsdb-server services. */ | |
1165 | static void | |
1166 | ovsdb_server_remove_remote(struct unixctl_conn *conn, int argc OVS_UNUSED, | |
0a3b723b | 1167 | const char *argv[], void *config_) |
b421d2af | 1168 | { |
0a3b723b | 1169 | struct server_config *config = config_; |
b421d2af BP |
1170 | struct sset_node *node; |
1171 | ||
0a3b723b | 1172 | node = sset_find(config->remotes, argv[1]); |
b421d2af | 1173 | if (node) { |
0a3b723b BP |
1174 | sset_delete(config->remotes, node); |
1175 | save_config(config); | |
b421d2af BP |
1176 | unixctl_command_reply(conn, NULL); |
1177 | } else { | |
1178 | unixctl_command_reply_error(conn, "no such remote"); | |
1179 | } | |
1180 | } | |
1181 | ||
1182 | /* "ovsdb-server/list-remotes": outputs a list of configured rmeotes. */ | |
1183 | static void | |
1184 | ovsdb_server_list_remotes(struct unixctl_conn *conn, int argc OVS_UNUSED, | |
1185 | const char *argv[] OVS_UNUSED, void *remotes_) | |
1186 | { | |
1187 | struct sset *remotes = remotes_; | |
1188 | const char **list, **p; | |
1189 | struct ds s; | |
1190 | ||
1191 | ds_init(&s); | |
1192 | ||
1193 | list = sset_sort(remotes); | |
1194 | for (p = list; *p; p++) { | |
1195 | ds_put_format(&s, "%s\n", *p); | |
1196 | } | |
1197 | free(list); | |
1198 | ||
1199 | unixctl_command_reply(conn, ds_cstr(&s)); | |
1200 | ds_destroy(&s); | |
1201 | } | |
1202 | ||
0a3b723b BP |
1203 | |
1204 | /* "ovsdb-server/add-db DB": adds the DB to ovsdb-server. */ | |
1205 | static void | |
1206 | ovsdb_server_add_database(struct unixctl_conn *conn, int argc OVS_UNUSED, | |
1207 | const char *argv[], void *config_) | |
1208 | { | |
1209 | struct server_config *config = config_; | |
1210 | const char *filename = argv[1]; | |
1211 | char *error; | |
1212 | ||
1213 | error = open_db(config, filename); | |
1214 | if (!error) { | |
1215 | save_config(config); | |
1216 | unixctl_command_reply(conn, NULL); | |
1217 | } else { | |
1218 | unixctl_command_reply_error(conn, error); | |
1219 | free(error); | |
1220 | } | |
1221 | } | |
1222 | ||
1223 | static void | |
1224 | ovsdb_server_remove_database(struct unixctl_conn *conn, int argc OVS_UNUSED, | |
1225 | const char *argv[], void *config_) | |
1226 | { | |
1227 | struct server_config *config = config_; | |
1228 | struct shash_node *node; | |
1229 | struct db *db; | |
1230 | bool ok; | |
1231 | ||
1232 | node = shash_find(config->all_dbs, argv[1]); | |
1233 | if (!node) { | |
1234 | unixctl_command_reply_error(conn, "Failed to find the database."); | |
1235 | return; | |
1236 | } | |
1237 | db = node->data; | |
1238 | ||
1239 | ok = ovsdb_jsonrpc_server_remove_db(config->jsonrpc, db->db); | |
1240 | ovs_assert(ok); | |
1241 | ||
03093a4f | 1242 | close_db(db); |
0a3b723b | 1243 | shash_delete(config->all_dbs, node); |
0a3b723b BP |
1244 | |
1245 | save_config(config); | |
1246 | unixctl_command_reply(conn, NULL); | |
1247 | } | |
1248 | ||
1249 | static void | |
1250 | ovsdb_server_list_databases(struct unixctl_conn *conn, int argc OVS_UNUSED, | |
1251 | const char *argv[] OVS_UNUSED, void *all_dbs_) | |
1252 | { | |
1253 | struct shash *all_dbs = all_dbs_; | |
1254 | const struct shash_node **nodes; | |
1255 | struct ds s; | |
1256 | size_t i; | |
1257 | ||
1258 | ds_init(&s); | |
1259 | ||
1260 | nodes = shash_sort(all_dbs); | |
1261 | for (i = 0; i < shash_count(all_dbs); i++) { | |
1262 | struct db *db = nodes[i]->data; | |
1263 | ds_put_format(&s, "%s\n", db->db->schema->name); | |
1264 | } | |
1265 | free(nodes); | |
1266 | ||
1267 | unixctl_command_reply(conn, ds_cstr(&s)); | |
1268 | ds_destroy(&s); | |
1269 | } | |
1270 | ||
f85f8ebb | 1271 | static void |
b4e8d170 BP |
1272 | parse_options(int *argcp, char **argvp[], |
1273 | struct sset *remotes, char **unixctl_pathp, char **run_command) | |
f85f8ebb BP |
1274 | { |
1275 | enum { | |
06834871 | 1276 | OPT_REMOTE = UCHAR_MAX + 1, |
aa78de9d | 1277 | OPT_UNIXCTL, |
475afa1b | 1278 | OPT_RUN, |
9467fe62 | 1279 | OPT_BOOTSTRAP_CA_CERT, |
5bf6cbd6 | 1280 | OPT_PEER_CA_CERT, |
f85f8ebb | 1281 | VLOG_OPTION_ENUMS, |
8274ae95 | 1282 | DAEMON_OPTION_ENUMS |
f85f8ebb | 1283 | }; |
07fc4ed3 | 1284 | static const struct option long_options[] = { |
e3c17733 BP |
1285 | {"remote", required_argument, NULL, OPT_REMOTE}, |
1286 | {"unixctl", required_argument, NULL, OPT_UNIXCTL}, | |
41064650 | 1287 | #ifndef _WIN32 |
e3c17733 | 1288 | {"run", required_argument, NULL, OPT_RUN}, |
41064650 | 1289 | #endif |
e3c17733 BP |
1290 | {"help", no_argument, NULL, 'h'}, |
1291 | {"version", no_argument, NULL, 'V'}, | |
f85f8ebb BP |
1292 | DAEMON_LONG_OPTIONS, |
1293 | VLOG_LONG_OPTIONS, | |
e3c17733 | 1294 | {"bootstrap-ca-cert", required_argument, NULL, OPT_BOOTSTRAP_CA_CERT}, |
5bf6cbd6 | 1295 | {"peer-ca-cert", required_argument, NULL, OPT_PEER_CA_CERT}, |
e3c17733 BP |
1296 | {"private-key", required_argument, NULL, 'p'}, |
1297 | {"certificate", required_argument, NULL, 'c'}, | |
1298 | {"ca-cert", required_argument, NULL, 'C'}, | |
1299 | {NULL, 0, NULL, 0}, | |
f85f8ebb | 1300 | }; |
5f383751 | 1301 | char *short_options = ovs_cmdl_long_options_to_short_options(long_options); |
b4e8d170 BP |
1302 | int argc = *argcp; |
1303 | char **argv = *argvp; | |
f85f8ebb | 1304 | |
b3c01ed3 | 1305 | sset_init(remotes); |
f85f8ebb BP |
1306 | for (;;) { |
1307 | int c; | |
1308 | ||
1309 | c = getopt_long(argc, argv, short_options, long_options, NULL); | |
1310 | if (c == -1) { | |
1311 | break; | |
1312 | } | |
1313 | ||
1314 | switch (c) { | |
0b1fae1b | 1315 | case OPT_REMOTE: |
b3c01ed3 | 1316 | sset_add(remotes, optarg); |
f85f8ebb BP |
1317 | break; |
1318 | ||
aa78de9d BP |
1319 | case OPT_UNIXCTL: |
1320 | *unixctl_pathp = optarg; | |
1321 | break; | |
1322 | ||
475afa1b BP |
1323 | case OPT_RUN: |
1324 | *run_command = optarg; | |
1325 | break; | |
1326 | ||
f85f8ebb BP |
1327 | case 'h': |
1328 | usage(); | |
1329 | ||
1330 | case 'V': | |
55d5bb44 | 1331 | ovs_print_version(0, 0); |
f85f8ebb BP |
1332 | exit(EXIT_SUCCESS); |
1333 | ||
1334 | VLOG_OPTION_HANDLERS | |
1335 | DAEMON_OPTION_HANDLERS | |
f85f8ebb | 1336 | |
78876719 BP |
1337 | case 'p': |
1338 | private_key_file = optarg; | |
1339 | break; | |
1340 | ||
1341 | case 'c': | |
1342 | certificate_file = optarg; | |
1343 | break; | |
1344 | ||
1345 | case 'C': | |
1346 | ca_cert_file = optarg; | |
1347 | bootstrap_ca_cert = false; | |
1348 | break; | |
9467fe62 BP |
1349 | |
1350 | case OPT_BOOTSTRAP_CA_CERT: | |
78876719 BP |
1351 | ca_cert_file = optarg; |
1352 | bootstrap_ca_cert = true; | |
9467fe62 | 1353 | break; |
9467fe62 | 1354 | |
5bf6cbd6 GS |
1355 | case OPT_PEER_CA_CERT: |
1356 | stream_ssl_set_peer_ca_cert_file(optarg); | |
1357 | break; | |
1358 | ||
f85f8ebb BP |
1359 | case '?': |
1360 | exit(EXIT_FAILURE); | |
1361 | ||
1362 | default: | |
1363 | abort(); | |
1364 | } | |
1365 | } | |
1366 | free(short_options); | |
1367 | ||
b4e8d170 BP |
1368 | *argcp -= optind; |
1369 | *argvp += optind; | |
f85f8ebb BP |
1370 | } |
1371 | ||
1372 | static void | |
1373 | usage(void) | |
1374 | { | |
1375 | printf("%s: Open vSwitch database server\n" | |
b4e8d170 BP |
1376 | "usage: %s [OPTIONS] [DATABASE...]\n" |
1377 | "where each DATABASE is a database file in ovsdb format.\n" | |
1378 | "The default DATABASE, if none is given, is\n%s/conf.db.\n", | |
1379 | program_name, program_name, ovs_dbdir()); | |
f85f8ebb | 1380 | printf("\nJSON-RPC options (may be specified any number of times):\n" |
0b1fae1b | 1381 | " --remote=REMOTE connect or listen to REMOTE\n"); |
9467fe62 | 1382 | stream_usage("JSON-RPC", true, true, true); |
f85f8ebb BP |
1383 | daemon_usage(); |
1384 | vlog_usage(); | |
1385 | printf("\nOther options:\n" | |
475afa1b | 1386 | " --run COMMAND run COMMAND as subprocess then exit\n" |
7b38bdc8 | 1387 | " --unixctl=SOCKET override default control socket name\n" |
f85f8ebb BP |
1388 | " -h, --help display this help message\n" |
1389 | " -V, --version display version information\n"); | |
f85f8ebb BP |
1390 | exit(EXIT_SUCCESS); |
1391 | } | |
5f36127e | 1392 | \f |
0a3b723b BP |
1393 | static struct json * |
1394 | sset_to_json(const struct sset *sset) | |
1395 | { | |
1396 | struct json *array; | |
1397 | const char *s; | |
1398 | ||
1399 | array = json_array_create_empty(); | |
1400 | SSET_FOR_EACH (s, sset) { | |
1401 | json_array_add(array, json_string_create(s)); | |
1402 | } | |
1403 | return array; | |
1404 | } | |
1405 | ||
1406 | /* Truncates and replaces the contents of 'config_file' by a representation of | |
1407 | * 'remotes' and 'db_filenames'. */ | |
5f36127e | 1408 | static void |
0a3b723b BP |
1409 | save_config__(FILE *config_file, const struct sset *remotes, |
1410 | const struct sset *db_filenames) | |
5f36127e | 1411 | { |
0a3b723b | 1412 | struct json *obj; |
5f36127e BP |
1413 | char *s; |
1414 | ||
1415 | if (ftruncate(fileno(config_file), 0) == -1) { | |
10a89ef0 BP |
1416 | VLOG_FATAL("failed to truncate temporary file (%s)", |
1417 | ovs_strerror(errno)); | |
5f36127e BP |
1418 | } |
1419 | ||
0a3b723b BP |
1420 | obj = json_object_create(); |
1421 | json_object_put(obj, "remotes", sset_to_json(remotes)); | |
1422 | json_object_put(obj, "db_filenames", sset_to_json(db_filenames)); | |
1423 | s = json_to_string(obj, 0); | |
1424 | json_destroy(obj); | |
5f36127e BP |
1425 | |
1426 | if (fseek(config_file, 0, SEEK_SET) != 0 | |
1427 | || fputs(s, config_file) == EOF | |
1428 | || fflush(config_file) == EOF) { | |
10a89ef0 | 1429 | VLOG_FATAL("failed to write temporary file (%s)", ovs_strerror(errno)); |
5f36127e BP |
1430 | } |
1431 | free(s); | |
1432 | } | |
1433 | ||
0a3b723b BP |
1434 | /* Truncates and replaces the contents of 'config_file' by a representation of |
1435 | * 'config'. */ | |
5f36127e | 1436 | static void |
0a3b723b BP |
1437 | save_config(struct server_config *config) |
1438 | { | |
1439 | struct sset db_filenames; | |
1440 | struct shash_node *node; | |
1441 | ||
1442 | sset_init(&db_filenames); | |
1443 | SHASH_FOR_EACH (node, config->all_dbs) { | |
1444 | struct db *db = node->data; | |
1445 | sset_add(&db_filenames, db->filename); | |
1446 | } | |
1447 | ||
1448 | save_config__(config->config_tmpfile, config->remotes, &db_filenames); | |
1449 | ||
1450 | sset_destroy(&db_filenames); | |
1451 | } | |
1452 | ||
1453 | static void | |
1454 | sset_from_json(struct sset *sset, const struct json *array) | |
5f36127e | 1455 | { |
5f36127e BP |
1456 | size_t i; |
1457 | ||
0a3b723b BP |
1458 | sset_clear(sset); |
1459 | ||
1460 | ovs_assert(array->type == JSON_ARRAY); | |
1461 | for (i = 0; i < array->u.array.n; i++) { | |
1462 | const struct json *elem = array->u.array.elems[i]; | |
1463 | sset_add(sset, json_string(elem)); | |
1464 | } | |
1465 | } | |
1466 | ||
1467 | /* Clears and replaces 'remotes' and 'dbnames' by a configuration read from | |
1468 | * 'config_file', which must have been previously written by save_config(). */ | |
1469 | static void | |
1470 | load_config(FILE *config_file, struct sset *remotes, struct sset *db_filenames) | |
1471 | { | |
1472 | struct json *json; | |
5f36127e BP |
1473 | |
1474 | if (fseek(config_file, 0, SEEK_SET) != 0) { | |
10a89ef0 | 1475 | VLOG_FATAL("seek failed in temporary file (%s)", ovs_strerror(errno)); |
5f36127e BP |
1476 | } |
1477 | json = json_from_stream(config_file); | |
1478 | if (json->type == JSON_STRING) { | |
1479 | VLOG_FATAL("reading json failed (%s)", json_string(json)); | |
1480 | } | |
0a3b723b BP |
1481 | ovs_assert(json->type == JSON_OBJECT); |
1482 | ||
1483 | sset_from_json(remotes, shash_find_data(json_object(json), "remotes")); | |
1484 | sset_from_json(db_filenames, | |
1485 | shash_find_data(json_object(json), "db_filenames")); | |
5f36127e BP |
1486 | json_destroy(json); |
1487 | } |