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0d085684 | 1 | /* Copyright (c) 2009, 2010, 2011, 2012 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 | ||
da897f41 | 18 | #include <assert.h> |
f85f8ebb BP |
19 | #include <errno.h> |
20 | #include <getopt.h> | |
21 | #include <signal.h> | |
eb077b26 | 22 | #include <unistd.h> |
f85f8ebb | 23 | |
0b1fae1b | 24 | #include "column.h" |
f85f8ebb BP |
25 | #include "command-line.h" |
26 | #include "daemon.h" | |
29701194 | 27 | #include "dirs.h" |
bd06962a | 28 | #include "file.h" |
da897f41 | 29 | #include "hash.h" |
f85f8ebb BP |
30 | #include "json.h" |
31 | #include "jsonrpc.h" | |
32 | #include "jsonrpc-server.h" | |
33 | #include "leak-checker.h" | |
34 | #include "list.h" | |
0d085684 | 35 | #include "memory.h" |
da897f41 | 36 | #include "ovsdb.h" |
0b1fae1b BP |
37 | #include "ovsdb-data.h" |
38 | #include "ovsdb-types.h" | |
f85f8ebb BP |
39 | #include "ovsdb-error.h" |
40 | #include "poll-loop.h" | |
41 | #include "process.h" | |
0b1fae1b | 42 | #include "row.h" |
0d085684 | 43 | #include "simap.h" |
9467fe62 | 44 | #include "stream-ssl.h" |
f85f8ebb | 45 | #include "stream.h" |
cc01d0bb | 46 | #include "stress.h" |
b3c01ed3 | 47 | #include "sset.h" |
0b1fae1b | 48 | #include "table.h" |
f85f8ebb | 49 | #include "timeval.h" |
0b3e7a8b | 50 | #include "transaction.h" |
f85f8ebb BP |
51 | #include "trigger.h" |
52 | #include "util.h" | |
53 | #include "unixctl.h" | |
f85f8ebb | 54 | #include "vlog.h" |
5136ce49 | 55 | |
d98e6007 | 56 | VLOG_DEFINE_THIS_MODULE(ovsdb_server); |
f85f8ebb | 57 | |
78876719 BP |
58 | /* SSL configuration. */ |
59 | static char *private_key_file; | |
60 | static char *certificate_file; | |
61 | static char *ca_cert_file; | |
62 | static bool bootstrap_ca_cert; | |
63 | ||
aa78de9d | 64 | static unixctl_cb_func ovsdb_server_exit; |
ada496b5 | 65 | static unixctl_cb_func ovsdb_server_compact; |
31d0b6c9 | 66 | static unixctl_cb_func ovsdb_server_reconnect; |
aa78de9d | 67 | |
f85f8ebb | 68 | static void parse_options(int argc, char *argv[], char **file_namep, |
b3c01ed3 | 69 | struct sset *remotes, char **unixctl_pathp, |
475afa1b | 70 | char **run_command); |
f85f8ebb BP |
71 | static void usage(void) NO_RETURN; |
72 | ||
78876719 | 73 | static void reconfigure_from_db(struct ovsdb_jsonrpc_server *jsonrpc, |
b3c01ed3 | 74 | const struct ovsdb *db, struct sset *remotes); |
0b1fae1b | 75 | |
0b3e7a8b | 76 | static void update_remote_status(const struct ovsdb_jsonrpc_server *jsonrpc, |
b3c01ed3 | 77 | const struct sset *remotes, |
0b3e7a8b AE |
78 | struct ovsdb *db); |
79 | ||
f85f8ebb BP |
80 | int |
81 | main(int argc, char *argv[]) | |
82 | { | |
aa78de9d | 83 | char *unixctl_path = NULL; |
475afa1b | 84 | char *run_command = NULL; |
f85f8ebb BP |
85 | struct unixctl_server *unixctl; |
86 | struct ovsdb_jsonrpc_server *jsonrpc; | |
b3c01ed3 | 87 | struct sset remotes; |
f85f8ebb | 88 | struct ovsdb_error *error; |
ada496b5 | 89 | struct ovsdb_file *file; |
f85f8ebb | 90 | struct ovsdb *db; |
475afa1b | 91 | struct process *run_process; |
f85f8ebb | 92 | char *file_name; |
aa78de9d | 93 | bool exiting; |
f85f8ebb | 94 | int retval; |
0b3e7a8b | 95 | long long int status_timer = LLONG_MIN; |
f85f8ebb | 96 | |
40f0707c | 97 | proctitle_init(argc, argv); |
f85f8ebb | 98 | set_program_name(argv[0]); |
cc01d0bb | 99 | stress_init_command(); |
f85f8ebb BP |
100 | signal(SIGPIPE, SIG_IGN); |
101 | process_init(); | |
102 | ||
475afa1b BP |
103 | parse_options(argc, argv, &file_name, &remotes, &unixctl_path, |
104 | &run_command); | |
f85f8ebb | 105 | |
95440284 | 106 | daemonize_start(); |
eb077b26 | 107 | |
ada496b5 | 108 | error = ovsdb_file_open(file_name, false, &db, &file); |
f85f8ebb BP |
109 | if (error) { |
110 | ovs_fatal(0, "%s", ovsdb_error_to_string(error)); | |
111 | } | |
29701194 | 112 | free(file_name); |
f85f8ebb | 113 | |
b93d3b6c | 114 | jsonrpc = ovsdb_jsonrpc_server_create(db); |
78876719 | 115 | reconfigure_from_db(jsonrpc, db, &remotes); |
f85f8ebb | 116 | |
aa78de9d | 117 | retval = unixctl_server_create(unixctl_path, &unixctl); |
f85f8ebb | 118 | if (retval) { |
4d12270a | 119 | exit(EXIT_FAILURE); |
f85f8ebb BP |
120 | } |
121 | ||
475afa1b BP |
122 | if (run_command) { |
123 | char *run_argv[4]; | |
124 | ||
125 | run_argv[0] = "/bin/sh"; | |
126 | run_argv[1] = "-c"; | |
127 | run_argv[2] = run_command; | |
128 | run_argv[3] = NULL; | |
129 | ||
130 | retval = process_start(run_argv, NULL, 0, NULL, 0, &run_process); | |
131 | if (retval) { | |
132 | ovs_fatal(retval, "%s: process failed to start", run_command); | |
133 | } | |
134 | } else { | |
135 | run_process = NULL; | |
136 | } | |
137 | ||
95440284 | 138 | daemonize_complete(); |
aa78de9d | 139 | |
08b9b190 EJ |
140 | if (!run_command) { |
141 | /* ovsdb-server is usually a long-running process, in which case it | |
142 | * makes plenty of sense to log the version, but --run makes | |
143 | * ovsdb-server more like a command-line tool, so skip it. */ | |
144 | VLOG_INFO("%s (Open vSwitch) %s", program_name, VERSION); | |
145 | } | |
9dbc190c | 146 | |
0e15264f BP |
147 | unixctl_command_register("exit", "", 0, 0, ovsdb_server_exit, &exiting); |
148 | unixctl_command_register("ovsdb-server/compact", "", 0, 0, | |
7ff2009a | 149 | ovsdb_server_compact, file); |
0e15264f | 150 | unixctl_command_register("ovsdb-server/reconnect", "", 0, 0, |
7ff2009a | 151 | ovsdb_server_reconnect, jsonrpc); |
aa78de9d BP |
152 | |
153 | exiting = false; | |
154 | while (!exiting) { | |
0d085684 BP |
155 | memory_run(); |
156 | if (memory_should_report()) { | |
157 | struct simap usage; | |
158 | ||
159 | simap_init(&usage); | |
160 | ovsdb_jsonrpc_server_get_memory_usage(jsonrpc, &usage); | |
161 | ovsdb_get_memory_usage(db, &usage); | |
162 | memory_report(&usage); | |
163 | simap_destroy(&usage); | |
164 | } | |
165 | ||
78876719 | 166 | reconfigure_from_db(jsonrpc, db, &remotes); |
f85f8ebb BP |
167 | ovsdb_jsonrpc_server_run(jsonrpc); |
168 | unixctl_server_run(unixctl); | |
169 | ovsdb_trigger_run(db, time_msec()); | |
475afa1b BP |
170 | if (run_process && process_exited(run_process)) { |
171 | exiting = true; | |
172 | } | |
f85f8ebb | 173 | |
0b3e7a8b AE |
174 | /* update Manager status(es) every 5 seconds */ |
175 | if (time_msec() >= status_timer) { | |
176 | status_timer = time_msec() + 5000; | |
177 | update_remote_status(jsonrpc, &remotes, db); | |
178 | } | |
179 | ||
0d085684 | 180 | memory_wait(); |
f85f8ebb BP |
181 | ovsdb_jsonrpc_server_wait(jsonrpc); |
182 | unixctl_server_wait(unixctl); | |
183 | ovsdb_trigger_wait(db, time_msec()); | |
475afa1b BP |
184 | if (run_process) { |
185 | process_wait(run_process); | |
186 | } | |
6d37aaf1 BP |
187 | if (exiting) { |
188 | poll_immediate_wake(); | |
189 | } | |
0b3e7a8b | 190 | poll_timer_wait_until(status_timer); |
f85f8ebb BP |
191 | poll_block(); |
192 | } | |
23935e8b BP |
193 | ovsdb_jsonrpc_server_destroy(jsonrpc); |
194 | ovsdb_destroy(db); | |
b3c01ed3 | 195 | sset_destroy(&remotes); |
23935e8b | 196 | unixctl_server_destroy(unixctl); |
f85f8ebb | 197 | |
475afa1b BP |
198 | if (run_process && process_exited(run_process)) { |
199 | int status = process_status(run_process); | |
200 | if (status) { | |
201 | ovs_fatal(0, "%s: child exited, %s", | |
202 | run_command, process_status_msg(status)); | |
203 | } | |
204 | } | |
205 | ||
f85f8ebb BP |
206 | return 0; |
207 | } | |
208 | ||
0b1fae1b | 209 | static void |
94db5407 BP |
210 | parse_db_column(const struct ovsdb *db, |
211 | const char *name_, | |
212 | const struct ovsdb_table **tablep, | |
213 | const struct ovsdb_column **columnp) | |
0b1fae1b | 214 | { |
b0ef0551 | 215 | char *name, *table_name, *column_name; |
0b1fae1b BP |
216 | const struct ovsdb_column *column; |
217 | const struct ovsdb_table *table; | |
0b1fae1b BP |
218 | char *save_ptr = NULL; |
219 | ||
220 | name = xstrdup(name_); | |
b0ef0551 | 221 | strtok_r(name, ":", &save_ptr); /* "db:" */ |
0b1fae1b BP |
222 | table_name = strtok_r(NULL, ",", &save_ptr); |
223 | column_name = strtok_r(NULL, ",", &save_ptr); | |
224 | if (!table_name || !column_name) { | |
78876719 | 225 | ovs_fatal(0, "\"%s\": invalid syntax", name_); |
0b1fae1b BP |
226 | } |
227 | ||
228 | table = ovsdb_get_table(db, table_name); | |
229 | if (!table) { | |
78876719 | 230 | ovs_fatal(0, "\"%s\": no table named %s", name_, table_name); |
0b1fae1b BP |
231 | } |
232 | ||
233 | column = ovsdb_table_schema_get_column(table->schema, column_name); | |
234 | if (!column) { | |
78876719 | 235 | ovs_fatal(0, "\"%s\": table \"%s\" has no column \"%s\"", |
0b1fae1b BP |
236 | name_, table_name, column_name); |
237 | } | |
78876719 | 238 | free(name); |
0b1fae1b | 239 | |
94db5407 BP |
240 | *columnp = column; |
241 | *tablep = table; | |
242 | } | |
243 | ||
244 | static void | |
245 | parse_db_string_column(const struct ovsdb *db, | |
246 | const char *name, | |
247 | const struct ovsdb_table **tablep, | |
248 | const struct ovsdb_column **columnp) | |
249 | { | |
250 | const struct ovsdb_column *column; | |
251 | const struct ovsdb_table *table; | |
252 | ||
253 | parse_db_column(db, name, &table, &column); | |
254 | ||
bd76d25d BP |
255 | if (column->type.key.type != OVSDB_TYPE_STRING |
256 | || column->type.value.type != OVSDB_TYPE_VOID) { | |
78876719 | 257 | ovs_fatal(0, "\"%s\": table \"%s\" column \"%s\" is " |
0b1fae1b | 258 | "not string or set of strings", |
94db5407 | 259 | name, table->schema->name, column->name); |
78876719 BP |
260 | } |
261 | ||
262 | *columnp = column; | |
263 | *tablep = table; | |
264 | } | |
265 | ||
a02f8286 | 266 | static OVS_UNUSED const char * |
78876719 BP |
267 | query_db_string(const struct ovsdb *db, const char *name) |
268 | { | |
269 | if (!name || strncmp(name, "db:", 3)) { | |
270 | return name; | |
271 | } else { | |
272 | const struct ovsdb_column *column; | |
273 | const struct ovsdb_table *table; | |
274 | const struct ovsdb_row *row; | |
275 | ||
276 | parse_db_string_column(db, name, &table, &column); | |
277 | ||
4e8e4213 | 278 | HMAP_FOR_EACH (row, hmap_node, &table->rows) { |
78876719 BP |
279 | const struct ovsdb_datum *datum; |
280 | size_t i; | |
281 | ||
282 | datum = &row->fields[column->index]; | |
283 | for (i = 0; i < datum->n; i++) { | |
284 | if (datum->keys[i].string[0]) { | |
285 | return datum->keys[i].string; | |
286 | } | |
287 | } | |
288 | } | |
289 | return NULL; | |
0b1fae1b | 290 | } |
78876719 BP |
291 | } |
292 | ||
94db5407 BP |
293 | static struct ovsdb_jsonrpc_options * |
294 | add_remote(struct shash *remotes, const char *target) | |
295 | { | |
296 | struct ovsdb_jsonrpc_options *options; | |
297 | ||
298 | options = shash_find_data(remotes, target); | |
299 | if (!options) { | |
f1936eb6 | 300 | options = ovsdb_jsonrpc_default_options(target); |
94db5407 BP |
301 | shash_add(remotes, target, options); |
302 | } | |
303 | ||
304 | return options; | |
305 | } | |
306 | ||
0b3e7a8b AE |
307 | static struct ovsdb_datum * |
308 | get_datum(struct ovsdb_row *row, const char *column_name, | |
309 | const enum ovsdb_atomic_type key_type, | |
310 | const enum ovsdb_atomic_type value_type, | |
311 | const size_t n_max) | |
94db5407 BP |
312 | { |
313 | static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 1); | |
314 | const struct ovsdb_table_schema *schema = row->table->schema; | |
315 | const struct ovsdb_column *column; | |
94db5407 BP |
316 | |
317 | column = ovsdb_table_schema_get_column(schema, column_name); | |
318 | if (!column) { | |
319 | VLOG_DBG_RL(&rl, "Table `%s' has no `%s' column", | |
320 | schema->name, column_name); | |
0b3e7a8b | 321 | return NULL; |
94db5407 BP |
322 | } |
323 | ||
0b3e7a8b AE |
324 | if (column->type.key.type != key_type |
325 | || column->type.value.type != value_type | |
326 | || column->type.n_max != n_max) { | |
94db5407 BP |
327 | if (!VLOG_DROP_DBG(&rl)) { |
328 | char *type_name = ovsdb_type_to_english(&column->type); | |
329 | VLOG_DBG("Table `%s' column `%s' has type %s, not expected " | |
0b3e7a8b AE |
330 | "key type %s, value type %s, max elements %zd.", |
331 | schema->name, column_name, type_name, | |
332 | ovsdb_atomic_type_to_string(key_type), | |
333 | ovsdb_atomic_type_to_string(value_type), | |
334 | n_max); | |
335 | free(type_name); | |
94db5407 | 336 | } |
0b3e7a8b | 337 | return NULL; |
94db5407 BP |
338 | } |
339 | ||
0b3e7a8b AE |
340 | return &row->fields[column->index]; |
341 | } | |
342 | ||
cea15768 EJ |
343 | /* Read string-string key-values from a map. Returns the value associated with |
344 | * 'key', if found, or NULL */ | |
345 | static const char * | |
f125905c | 346 | read_map_string_column(const struct ovsdb_row *row, const char *column_name, |
cea15768 | 347 | const char *key) |
f125905c MM |
348 | { |
349 | const struct ovsdb_datum *datum; | |
350 | union ovsdb_atom *atom_key = NULL, *atom_value = NULL; | |
351 | size_t i; | |
352 | ||
353 | datum = get_datum((struct ovsdb_row *) row, column_name, OVSDB_TYPE_STRING, | |
354 | OVSDB_TYPE_STRING, UINT_MAX); | |
355 | ||
356 | if (!datum) { | |
cea15768 | 357 | return NULL; |
f125905c MM |
358 | } |
359 | ||
360 | for (i = 0; i < datum->n; i++) { | |
361 | atom_key = &datum->keys[i]; | |
362 | if (!strcmp(atom_key->string, key)){ | |
363 | atom_value = &datum->values[i]; | |
364 | break; | |
365 | } | |
366 | } | |
367 | ||
cea15768 | 368 | return atom_value ? atom_value->string : NULL; |
f125905c MM |
369 | } |
370 | ||
0b3e7a8b AE |
371 | static const union ovsdb_atom * |
372 | read_column(const struct ovsdb_row *row, const char *column_name, | |
373 | enum ovsdb_atomic_type type) | |
374 | { | |
375 | const struct ovsdb_datum *datum; | |
376 | ||
f125905c MM |
377 | datum = get_datum((struct ovsdb_row *) row, column_name, type, OVSDB_TYPE_VOID, |
378 | 1); | |
0b3e7a8b | 379 | return datum && datum->n ? datum->keys : NULL; |
94db5407 BP |
380 | } |
381 | ||
382 | static bool | |
383 | read_integer_column(const struct ovsdb_row *row, const char *column_name, | |
384 | long long int *integerp) | |
385 | { | |
386 | const union ovsdb_atom *atom; | |
387 | ||
388 | atom = read_column(row, column_name, OVSDB_TYPE_INTEGER); | |
389 | *integerp = atom ? atom->integer : 0; | |
390 | return atom != NULL; | |
391 | } | |
392 | ||
393 | static bool | |
394 | read_string_column(const struct ovsdb_row *row, const char *column_name, | |
395 | const char **stringp) | |
396 | { | |
397 | const union ovsdb_atom *atom; | |
398 | ||
399 | atom = read_column(row, column_name, OVSDB_TYPE_STRING); | |
e3c17733 | 400 | *stringp = atom ? atom->string : NULL; |
94db5407 BP |
401 | return atom != NULL; |
402 | } | |
403 | ||
0b3e7a8b AE |
404 | static void |
405 | write_bool_column(struct ovsdb_row *row, const char *column_name, bool value) | |
406 | { | |
407 | struct ovsdb_datum *datum = get_datum(row, column_name, OVSDB_TYPE_BOOLEAN, | |
408 | OVSDB_TYPE_VOID, 1); | |
409 | ||
410 | if (!datum) { | |
411 | return; | |
412 | } | |
413 | datum->keys[0].boolean = value; | |
414 | } | |
415 | ||
416 | static void | |
417 | write_string_string_column(struct ovsdb_row *row, const char *column_name, | |
418 | char **keys, char **values, size_t n) | |
419 | { | |
420 | const struct ovsdb_column *column; | |
421 | struct ovsdb_datum *datum; | |
422 | size_t i; | |
423 | ||
424 | column = ovsdb_table_schema_get_column(row->table->schema, column_name); | |
425 | datum = get_datum(row, column_name, OVSDB_TYPE_STRING, OVSDB_TYPE_STRING, | |
426 | UINT_MAX); | |
427 | if (!datum) { | |
428 | return; | |
429 | } | |
430 | ||
431 | /* Free existing data. */ | |
432 | ovsdb_datum_destroy(datum, &column->type); | |
433 | ||
434 | /* Allocate space for new values. */ | |
435 | datum->n = n; | |
436 | datum->keys = xmalloc(n * sizeof *datum->keys); | |
437 | datum->values = xmalloc(n * sizeof *datum->values); | |
438 | ||
439 | for (i = 0; i < n; ++i) { | |
440 | datum->keys[i].string = keys[i]; | |
441 | datum->values[i].string = values[i]; | |
442 | } | |
443 | ||
444 | /* Sort and check constraints. */ | |
445 | ovsdb_datum_sort_assert(datum, column->type.key.type); | |
446 | } | |
447 | ||
94db5407 BP |
448 | /* Adds a remote and options to 'remotes', based on the Manager table row in |
449 | * 'row'. */ | |
450 | static void | |
451 | add_manager_options(struct shash *remotes, const struct ovsdb_row *row) | |
452 | { | |
453 | static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 1); | |
454 | struct ovsdb_jsonrpc_options *options; | |
455 | long long int max_backoff, probe_interval; | |
cea15768 | 456 | const char *target, *dscp_string; |
94db5407 BP |
457 | |
458 | if (!read_string_column(row, "target", &target) || !target) { | |
459 | VLOG_INFO_RL(&rl, "Table `%s' has missing or invalid `target' column", | |
460 | row->table->schema->name); | |
461 | return; | |
462 | } | |
463 | ||
464 | options = add_remote(remotes, target); | |
465 | if (read_integer_column(row, "max_backoff", &max_backoff)) { | |
466 | options->max_backoff = max_backoff; | |
467 | } | |
f441c1a8 | 468 | if (read_integer_column(row, "inactivity_probe", &probe_interval)) { |
94db5407 BP |
469 | options->probe_interval = probe_interval; |
470 | } | |
f125905c | 471 | |
cea15768 EJ |
472 | options->dscp = DSCP_DEFAULT; |
473 | dscp_string = read_map_string_column(row, "other_config", "dscp"); | |
474 | if (dscp_string) { | |
475 | int dscp = atoi(dscp_string); | |
476 | if (dscp >= 0 && dscp <= 63) { | |
477 | options->dscp = dscp; | |
478 | } | |
479 | } | |
94db5407 BP |
480 | } |
481 | ||
78876719 BP |
482 | static void |
483 | query_db_remotes(const char *name, const struct ovsdb *db, | |
484 | struct shash *remotes) | |
485 | { | |
486 | const struct ovsdb_column *column; | |
487 | const struct ovsdb_table *table; | |
488 | const struct ovsdb_row *row; | |
489 | ||
94db5407 | 490 | parse_db_column(db, name, &table, &column); |
0b1fae1b | 491 | |
94db5407 BP |
492 | if (column->type.key.type == OVSDB_TYPE_STRING |
493 | && column->type.value.type == OVSDB_TYPE_VOID) { | |
494 | HMAP_FOR_EACH (row, hmap_node, &table->rows) { | |
495 | const struct ovsdb_datum *datum; | |
496 | size_t i; | |
497 | ||
498 | datum = &row->fields[column->index]; | |
499 | for (i = 0; i < datum->n; i++) { | |
500 | add_remote(remotes, datum->keys[i].string); | |
501 | } | |
502 | } | |
503 | } else if (column->type.key.type == OVSDB_TYPE_UUID | |
504 | && column->type.key.u.uuid.refTable | |
505 | && column->type.value.type == OVSDB_TYPE_VOID) { | |
506 | const struct ovsdb_table *ref_table = column->type.key.u.uuid.refTable; | |
507 | HMAP_FOR_EACH (row, hmap_node, &table->rows) { | |
508 | const struct ovsdb_datum *datum; | |
509 | size_t i; | |
510 | ||
511 | datum = &row->fields[column->index]; | |
512 | for (i = 0; i < datum->n; i++) { | |
513 | const struct ovsdb_row *ref_row; | |
0b1fae1b | 514 | |
94db5407 BP |
515 | ref_row = ovsdb_table_get_row(ref_table, &datum->keys[i].uuid); |
516 | if (ref_row) { | |
517 | add_manager_options(remotes, ref_row); | |
518 | } | |
519 | } | |
0b1fae1b BP |
520 | } |
521 | } | |
522 | } | |
523 | ||
0b3e7a8b AE |
524 | static void |
525 | update_remote_row(const struct ovsdb_row *row, struct ovsdb_txn *txn, | |
87fcbc60 | 526 | const struct ovsdb_jsonrpc_server *jsonrpc) |
0b3e7a8b | 527 | { |
87fcbc60 | 528 | struct ovsdb_jsonrpc_remote_status status; |
0b3e7a8b AE |
529 | struct ovsdb_row *rw_row; |
530 | const char *target; | |
87fcbc60 | 531 | char *keys[8], *values[8]; |
0b3e7a8b AE |
532 | size_t n = 0; |
533 | ||
534 | /* Get the "target" (protocol/host/port) spec. */ | |
535 | if (!read_string_column(row, "target", &target)) { | |
536 | /* Bad remote spec or incorrect schema. */ | |
537 | return; | |
538 | } | |
0b3e7a8b | 539 | rw_row = ovsdb_txn_row_modify(txn, row); |
87fcbc60 | 540 | ovsdb_jsonrpc_server_get_remote_status(jsonrpc, target, &status); |
0b3e7a8b AE |
541 | |
542 | /* Update status information columns. */ | |
87fcbc60 | 543 | write_bool_column(rw_row, "is_connected", status.is_connected); |
0b3e7a8b | 544 | |
87fcbc60 BP |
545 | if (status.state) { |
546 | keys[n] = xstrdup("state"); | |
547 | values[n++] = xstrdup(status.state); | |
548 | } | |
549 | if (status.sec_since_connect != UINT_MAX) { | |
5eda645e | 550 | keys[n] = xstrdup("sec_since_connect"); |
87fcbc60 | 551 | values[n++] = xasprintf("%u", status.sec_since_connect); |
5eda645e | 552 | } |
87fcbc60 | 553 | if (status.sec_since_disconnect != UINT_MAX) { |
5eda645e | 554 | keys[n] = xstrdup("sec_since_disconnect"); |
87fcbc60 | 555 | values[n++] = xasprintf("%u", status.sec_since_disconnect); |
5eda645e | 556 | } |
87fcbc60 | 557 | if (status.last_error) { |
0b3e7a8b AE |
558 | keys[n] = xstrdup("last_error"); |
559 | values[n++] = | |
87fcbc60 | 560 | xstrdup(ovs_retval_to_string(status.last_error)); |
0b3e7a8b | 561 | } |
da897f41 BP |
562 | if (status.locks_held && status.locks_held[0]) { |
563 | keys[n] = xstrdup("locks_held"); | |
564 | values[n++] = xstrdup(status.locks_held); | |
565 | } | |
566 | if (status.locks_waiting && status.locks_waiting[0]) { | |
567 | keys[n] = xstrdup("locks_waiting"); | |
568 | values[n++] = xstrdup(status.locks_waiting); | |
569 | } | |
570 | if (status.locks_lost && status.locks_lost[0]) { | |
571 | keys[n] = xstrdup("locks_lost"); | |
572 | values[n++] = xstrdup(status.locks_lost); | |
573 | } | |
a11f6164 BP |
574 | if (status.n_connections > 1) { |
575 | keys[n] = xstrdup("n_connections"); | |
576 | values[n++] = xasprintf("%d", status.n_connections); | |
577 | } | |
0b3e7a8b | 578 | write_string_string_column(rw_row, "status", keys, values, n); |
da897f41 BP |
579 | |
580 | ovsdb_jsonrpc_server_free_remote_status(&status); | |
0b3e7a8b AE |
581 | } |
582 | ||
583 | static void | |
584 | update_remote_rows(const struct ovsdb *db, struct ovsdb_txn *txn, | |
87fcbc60 BP |
585 | const char *remote_name, |
586 | const struct ovsdb_jsonrpc_server *jsonrpc) | |
0b3e7a8b AE |
587 | { |
588 | const struct ovsdb_table *table, *ref_table; | |
589 | const struct ovsdb_column *column; | |
590 | const struct ovsdb_row *row; | |
591 | ||
592 | if (strncmp("db:", remote_name, 3)) { | |
593 | return; | |
594 | } | |
595 | ||
596 | parse_db_column(db, remote_name, &table, &column); | |
597 | ||
598 | if (column->type.key.type != OVSDB_TYPE_UUID | |
599 | || !column->type.key.u.uuid.refTable | |
600 | || column->type.value.type != OVSDB_TYPE_VOID) { | |
601 | return; | |
602 | } | |
603 | ||
604 | ref_table = column->type.key.u.uuid.refTable; | |
605 | ||
606 | HMAP_FOR_EACH (row, hmap_node, &table->rows) { | |
607 | const struct ovsdb_datum *datum; | |
608 | size_t i; | |
609 | ||
610 | datum = &row->fields[column->index]; | |
611 | for (i = 0; i < datum->n; i++) { | |
612 | const struct ovsdb_row *ref_row; | |
613 | ||
614 | ref_row = ovsdb_table_get_row(ref_table, &datum->keys[i].uuid); | |
615 | if (ref_row) { | |
87fcbc60 | 616 | update_remote_row(ref_row, txn, jsonrpc); |
0b3e7a8b AE |
617 | } |
618 | } | |
619 | } | |
620 | } | |
621 | ||
622 | static void | |
623 | update_remote_status(const struct ovsdb_jsonrpc_server *jsonrpc, | |
b3c01ed3 | 624 | const struct sset *remotes, struct ovsdb *db) |
0b3e7a8b AE |
625 | { |
626 | static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 1); | |
0b3e7a8b AE |
627 | struct ovsdb_txn *txn; |
628 | const bool durable_txn = false; | |
629 | struct ovsdb_error *error; | |
b3c01ed3 | 630 | const char *remote; |
0b3e7a8b | 631 | |
0b3e7a8b AE |
632 | txn = ovsdb_txn_create(db); |
633 | ||
634 | /* Iterate over --remote arguments given on command line. */ | |
b3c01ed3 | 635 | SSET_FOR_EACH (remote, remotes) { |
87fcbc60 | 636 | update_remote_rows(db, txn, remote, jsonrpc); |
0b3e7a8b AE |
637 | } |
638 | ||
639 | error = ovsdb_txn_commit(txn, durable_txn); | |
640 | if (error) { | |
641 | VLOG_ERR_RL(&rl, "Failed to update remote status: %s", | |
642 | ovsdb_error_to_string(error)); | |
643 | } | |
0b3e7a8b AE |
644 | } |
645 | ||
78876719 | 646 | /* Reconfigures ovsdb-server based on information in the database. */ |
0b1fae1b | 647 | static void |
78876719 | 648 | reconfigure_from_db(struct ovsdb_jsonrpc_server *jsonrpc, |
b3c01ed3 | 649 | const struct ovsdb *db, struct sset *remotes) |
0b1fae1b BP |
650 | { |
651 | struct shash resolved_remotes; | |
b3c01ed3 | 652 | const char *name; |
0b1fae1b | 653 | |
78876719 | 654 | /* Configure remotes. */ |
0b1fae1b | 655 | shash_init(&resolved_remotes); |
b3c01ed3 | 656 | SSET_FOR_EACH (name, remotes) { |
0b1fae1b BP |
657 | if (!strncmp(name, "db:", 3)) { |
658 | query_db_remotes(name, db, &resolved_remotes); | |
659 | } else { | |
94db5407 | 660 | add_remote(&resolved_remotes, name); |
0b1fae1b BP |
661 | } |
662 | } | |
663 | ovsdb_jsonrpc_server_set_remotes(jsonrpc, &resolved_remotes); | |
88b64974 | 664 | shash_destroy_free_data(&resolved_remotes); |
0b1fae1b | 665 | |
78876719 | 666 | /* Configure SSL. */ |
6f1e91b1 BP |
667 | stream_ssl_set_key_and_cert(query_db_string(db, private_key_file), |
668 | query_db_string(db, certificate_file)); | |
78876719 BP |
669 | stream_ssl_set_ca_cert_file(query_db_string(db, ca_cert_file), |
670 | bootstrap_ca_cert); | |
671 | } | |
0b1fae1b | 672 | |
aa78de9d | 673 | static void |
0e15264f BP |
674 | ovsdb_server_exit(struct unixctl_conn *conn, int argc OVS_UNUSED, |
675 | const char *argv[] OVS_UNUSED, | |
aa78de9d BP |
676 | void *exiting_) |
677 | { | |
678 | bool *exiting = exiting_; | |
679 | *exiting = true; | |
bde9f75d | 680 | unixctl_command_reply(conn, NULL); |
aa78de9d BP |
681 | } |
682 | ||
ada496b5 | 683 | static void |
0e15264f BP |
684 | ovsdb_server_compact(struct unixctl_conn *conn, int argc OVS_UNUSED, |
685 | const char *argv[] OVS_UNUSED, void *file_) | |
ada496b5 BP |
686 | { |
687 | struct ovsdb_file *file = file_; | |
688 | struct ovsdb_error *error; | |
689 | ||
690 | VLOG_INFO("compacting database by user request"); | |
691 | error = ovsdb_file_compact(file); | |
692 | if (!error) { | |
bde9f75d | 693 | unixctl_command_reply(conn, NULL); |
ada496b5 BP |
694 | } else { |
695 | char *s = ovsdb_error_to_string(error); | |
696 | ovsdb_error_destroy(error); | |
bde9f75d | 697 | unixctl_command_reply_error(conn, s); |
ada496b5 BP |
698 | free(s); |
699 | } | |
700 | } | |
701 | ||
31d0b6c9 BP |
702 | /* "ovsdb-server/reconnect": makes ovsdb-server drop all of its JSON-RPC |
703 | * connections and reconnect. */ | |
704 | static void | |
0e15264f BP |
705 | ovsdb_server_reconnect(struct unixctl_conn *conn, int argc OVS_UNUSED, |
706 | const char *argv[] OVS_UNUSED, void *jsonrpc_) | |
31d0b6c9 BP |
707 | { |
708 | struct ovsdb_jsonrpc_server *jsonrpc = jsonrpc_; | |
709 | ||
710 | ovsdb_jsonrpc_server_reconnect(jsonrpc); | |
bde9f75d | 711 | unixctl_command_reply(conn, NULL); |
31d0b6c9 BP |
712 | } |
713 | ||
f85f8ebb BP |
714 | static void |
715 | parse_options(int argc, char *argv[], char **file_namep, | |
b3c01ed3 | 716 | struct sset *remotes, char **unixctl_pathp, |
475afa1b | 717 | char **run_command) |
f85f8ebb BP |
718 | { |
719 | enum { | |
720 | OPT_DUMMY = UCHAR_MAX + 1, | |
0b1fae1b | 721 | OPT_REMOTE, |
aa78de9d | 722 | OPT_UNIXCTL, |
475afa1b | 723 | OPT_RUN, |
9467fe62 | 724 | OPT_BOOTSTRAP_CA_CERT, |
f85f8ebb | 725 | VLOG_OPTION_ENUMS, |
8274ae95 BP |
726 | LEAK_CHECKER_OPTION_ENUMS, |
727 | DAEMON_OPTION_ENUMS | |
f85f8ebb BP |
728 | }; |
729 | static struct option long_options[] = { | |
e3c17733 BP |
730 | {"remote", required_argument, NULL, OPT_REMOTE}, |
731 | {"unixctl", required_argument, NULL, OPT_UNIXCTL}, | |
732 | {"run", required_argument, NULL, OPT_RUN}, | |
733 | {"help", no_argument, NULL, 'h'}, | |
734 | {"version", no_argument, NULL, 'V'}, | |
f85f8ebb BP |
735 | DAEMON_LONG_OPTIONS, |
736 | VLOG_LONG_OPTIONS, | |
737 | LEAK_CHECKER_LONG_OPTIONS, | |
e3c17733 BP |
738 | {"bootstrap-ca-cert", required_argument, NULL, OPT_BOOTSTRAP_CA_CERT}, |
739 | {"private-key", required_argument, NULL, 'p'}, | |
740 | {"certificate", required_argument, NULL, 'c'}, | |
741 | {"ca-cert", required_argument, NULL, 'C'}, | |
742 | {NULL, 0, NULL, 0}, | |
f85f8ebb BP |
743 | }; |
744 | char *short_options = long_options_to_short_options(long_options); | |
745 | ||
b3c01ed3 | 746 | sset_init(remotes); |
f85f8ebb BP |
747 | for (;;) { |
748 | int c; | |
749 | ||
750 | c = getopt_long(argc, argv, short_options, long_options, NULL); | |
751 | if (c == -1) { | |
752 | break; | |
753 | } | |
754 | ||
755 | switch (c) { | |
0b1fae1b | 756 | case OPT_REMOTE: |
b3c01ed3 | 757 | sset_add(remotes, optarg); |
f85f8ebb BP |
758 | break; |
759 | ||
aa78de9d BP |
760 | case OPT_UNIXCTL: |
761 | *unixctl_pathp = optarg; | |
762 | break; | |
763 | ||
475afa1b BP |
764 | case OPT_RUN: |
765 | *run_command = optarg; | |
766 | break; | |
767 | ||
f85f8ebb BP |
768 | case 'h': |
769 | usage(); | |
770 | ||
771 | case 'V': | |
55d5bb44 | 772 | ovs_print_version(0, 0); |
f85f8ebb BP |
773 | exit(EXIT_SUCCESS); |
774 | ||
775 | VLOG_OPTION_HANDLERS | |
776 | DAEMON_OPTION_HANDLERS | |
777 | LEAK_CHECKER_OPTION_HANDLERS | |
778 | ||
78876719 BP |
779 | case 'p': |
780 | private_key_file = optarg; | |
781 | break; | |
782 | ||
783 | case 'c': | |
784 | certificate_file = optarg; | |
785 | break; | |
786 | ||
787 | case 'C': | |
788 | ca_cert_file = optarg; | |
789 | bootstrap_ca_cert = false; | |
790 | break; | |
9467fe62 BP |
791 | |
792 | case OPT_BOOTSTRAP_CA_CERT: | |
78876719 BP |
793 | ca_cert_file = optarg; |
794 | bootstrap_ca_cert = true; | |
9467fe62 | 795 | break; |
9467fe62 | 796 | |
f85f8ebb BP |
797 | case '?': |
798 | exit(EXIT_FAILURE); | |
799 | ||
800 | default: | |
801 | abort(); | |
802 | } | |
803 | } | |
804 | free(short_options); | |
805 | ||
806 | argc -= optind; | |
807 | argv += optind; | |
808 | ||
29701194 BP |
809 | switch (argc) { |
810 | case 0: | |
f973f2af | 811 | *file_namep = xasprintf("%s/conf.db", ovs_dbdir()); |
29701194 BP |
812 | break; |
813 | ||
814 | case 1: | |
815 | *file_namep = xstrdup(argv[0]); | |
816 | break; | |
817 | ||
818 | default: | |
f85f8ebb BP |
819 | ovs_fatal(0, "database file is only non-option argument; " |
820 | "use --help for usage"); | |
821 | } | |
f85f8ebb BP |
822 | } |
823 | ||
824 | static void | |
825 | usage(void) | |
826 | { | |
827 | printf("%s: Open vSwitch database server\n" | |
828 | "usage: %s [OPTIONS] DATABASE\n" | |
829 | "where DATABASE is a database file in ovsdb format.\n", | |
830 | program_name, program_name); | |
831 | printf("\nJSON-RPC options (may be specified any number of times):\n" | |
0b1fae1b | 832 | " --remote=REMOTE connect or listen to REMOTE\n"); |
9467fe62 | 833 | stream_usage("JSON-RPC", true, true, true); |
f85f8ebb BP |
834 | daemon_usage(); |
835 | vlog_usage(); | |
836 | printf("\nOther options:\n" | |
475afa1b | 837 | " --run COMMAND run COMMAND as subprocess then exit\n" |
7b38bdc8 | 838 | " --unixctl=SOCKET override default control socket name\n" |
f85f8ebb BP |
839 | " -h, --help display this help message\n" |
840 | " -V, --version display version information\n"); | |
841 | leak_checker_usage(); | |
842 | exit(EXIT_SUCCESS); | |
843 | } |