2 * Copyright (c) 2015 Nicira, Inc.
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at:
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
30 #include "db-ctl-base.h"
32 #include "command-line.h"
34 #include "dynamic-string.h"
35 #include "fatal-signal.h"
37 #include "ovsdb-data.h"
38 #include "ovsdb-idl.h"
39 #include "poll-loop.h"
46 #include "openvswitch/vlog.h"
47 #include "ovn/lib/ovn-sb-idl.h"
49 VLOG_DEFINE_THIS_MODULE(sbctl);
53 /* --db: The database server to contact. */
54 static const char *db;
56 /* --oneline: Write each command's output as a single line? */
59 /* --dry-run: Do not commit any changes. */
62 /* --timeout: Time to wait for a connection to 'db'. */
65 /* Format for table output. */
66 static struct table_style table_style = TABLE_STYLE_DEFAULT;
68 /* The IDL we're using and the current transaction, if any.
69 * This is for use by sbctl_exit() only, to allow it to clean up.
70 * Other code should use its context arguments. */
71 static struct ovsdb_idl *the_idl;
72 static struct ovsdb_idl_txn *the_idl_txn;
73 OVS_NO_RETURN static void sbctl_exit(int status);
75 static void sbctl_cmd_init(void);
76 OVS_NO_RETURN static void usage(void);
77 static void parse_options(int argc, char *argv[], struct shash *local_options);
78 static void run_prerequisites(struct ctl_command[], size_t n_commands,
80 static void do_sbctl(const char *args, struct ctl_command *, size_t n,
84 main(int argc, char *argv[])
86 extern struct vlog_module VLM_reconnect;
87 struct ovsdb_idl *idl;
88 struct ctl_command *commands;
89 struct shash local_options;
94 set_program_name(argv[0]);
95 fatal_ignore_sigpipe();
96 vlog_set_levels(NULL, VLF_CONSOLE, VLL_WARN);
97 vlog_set_levels(&VLM_reconnect, VLF_ANY_DESTINATION, VLL_WARN);
102 /* Log our arguments. This is often valuable for debugging systems. */
103 args = process_escape_args(argv);
104 VLOG(ctl_might_write_to_db(argv) ? VLL_INFO : VLL_DBG, "Called as %s", args);
106 /* Parse command line. */
107 shash_init(&local_options);
108 parse_options(argc, argv, &local_options);
109 commands = ctl_parse_commands(argc - optind, argv + optind, &local_options,
116 /* Initialize IDL. */
117 idl = the_idl = ovsdb_idl_create(db, &sbrec_idl_class, false, false);
118 run_prerequisites(commands, n_commands, idl);
120 /* Execute the commands.
122 * 'seqno' is the database sequence number for which we last tried to
123 * execute our transaction. There's no point in trying to commit more than
124 * once for any given sequence number, because if the transaction fails
125 * it's because the database changed and we need to obtain an up-to-date
126 * view of the database before we try the transaction again. */
127 seqno = ovsdb_idl_get_seqno(idl);
130 if (!ovsdb_idl_is_alive(idl)) {
131 int retval = ovsdb_idl_get_last_error(idl);
132 ctl_fatal("%s: database connection failed (%s)",
133 db, ovs_retval_to_string(retval));
136 if (seqno != ovsdb_idl_get_seqno(idl)) {
137 seqno = ovsdb_idl_get_seqno(idl);
138 do_sbctl(args, commands, n_commands, idl);
141 if (seqno == ovsdb_idl_get_seqno(idl)) {
149 parse_options(int argc, char *argv[], struct shash *local_options)
152 OPT_DB = UCHAR_MAX + 1,
163 static const struct option global_long_options[] = {
164 {"db", required_argument, NULL, OPT_DB},
165 {"no-syslog", no_argument, NULL, OPT_NO_SYSLOG},
166 {"dry-run", no_argument, NULL, OPT_DRY_RUN},
167 {"oneline", no_argument, NULL, OPT_ONELINE},
168 {"timeout", required_argument, NULL, 't'},
169 {"help", no_argument, NULL, 'h'},
170 {"commands", no_argument, NULL, OPT_COMMANDS},
171 {"options", no_argument, NULL, OPT_OPTIONS},
172 {"version", no_argument, NULL, 'V'},
177 const int n_global_long_options = ARRAY_SIZE(global_long_options) - 1;
178 char *tmp, *short_options;
180 struct option *options;
181 size_t allocated_options;
185 tmp = ovs_cmdl_long_options_to_short_options(global_long_options);
186 short_options = xasprintf("+%s", tmp);
189 /* We want to parse both global and command-specific options here, but
190 * getopt_long() isn't too convenient for the job. We copy our global
191 * options into a dynamic array, then append all of the command-specific
193 options = xmemdup(global_long_options, sizeof global_long_options);
194 allocated_options = ARRAY_SIZE(global_long_options);
195 n_options = n_global_long_options;
196 ctl_add_cmd_options(&options, &n_options, &allocated_options, OPT_LOCAL);
197 table_style.format = TF_LIST;
203 c = getopt_long(argc, argv, short_options, options, &idx);
218 vlog_set_levels(&VLM_sbctl, VLF_SYSLOG, VLL_WARN);
226 if (shash_find(local_options, options[idx].name)) {
227 ctl_fatal("'%s' option specified multiple times",
230 shash_add_nocopy(local_options,
231 xasprintf("--%s", options[idx].name),
232 optarg ? xstrdup(optarg) : NULL);
239 ctl_print_commands();
242 ctl_print_options(global_long_options);
245 ovs_print_version(0, 0);
246 printf("DB Schema %s\n", sbrec_get_db_version());
250 timeout = strtoul(optarg, NULL, 10);
252 ctl_fatal("value %s on -t or --timeout is invalid", optarg);
257 TABLE_OPTION_HANDLERS(&table_style)
269 db = ctl_default_db();
272 for (i = n_global_long_options; options[i].name; i++) {
273 free(CONST_CAST(char *, options[i].name));
282 %s: ovs-vswitchd management utility\n\
284 for debugging and testing only, never use it in production\n\
286 usage: %s [OPTIONS] COMMAND [ARG...]\n\
288 SouthBound DB commands:\n\
289 show print overview of database contents\n\
292 chassis-add CHASSIS ENCAP-TYPE ENCAP-IP create a new chassis named\n\
293 CHASSIS with one encapsulation\n\
294 entry of ENCAP-TYPE and ENCAP-IP\n\
295 chassis-del CHASSIS delete CHASSIS and all of its encaps,\n\
298 Port binding commands:\n\
299 lport-bind LPORT CHASSIS bind logical port LPORT to CHASSIS\n\
300 lport-unbind LPORT reset the port binding of logical port LPORT\n\
302 Logical flow commands:\n\
303 lflow-list [DATAPATH] List logical flows for all or a single datapath\n\
304 dump-flows [DATAPATH] Alias for lflow-list\n\
309 --db=DATABASE connect to DATABASE\n\
311 -t, --timeout=SECS wait at most SECS seconds for ovs-vswitchd\n\
312 --dry-run do not commit changes to database\n\
313 --oneline print exactly one line of output per command\n",
314 program_name, program_name, ctl_get_db_cmd_usage(), ctl_default_db());
317 --no-syslog equivalent to --verbose=sbctl:syslog:warn\n");
320 -h, --help display this help message\n\
321 -V, --version display version information\n");
326 /* ovs-sbctl specific context. Inherits the 'struct ctl_context' as base. */
327 struct sbctl_context {
328 struct ctl_context base;
330 /* A cache of the contents of the database.
332 * A command that needs to use any of this information must first call
333 * sbctl_context_populate_cache(). A command that changes anything that
334 * could invalidate the cache must either call
335 * sbctl_context_invalidate_cache() or manually update the cache to
336 * maintain its correctness. */
338 /* Maps from chassis name to struct sbctl_chassis. */
339 struct shash chassis;
340 /* Maps from lport name to struct sbctl_port_binding. */
341 struct shash port_bindings;
344 /* Casts 'base' into 'struct sbctl_context'. */
345 static struct sbctl_context *
346 sbctl_context_cast(struct ctl_context *base)
348 return CONTAINER_OF(base, struct sbctl_context, base);
351 struct sbctl_chassis {
352 const struct sbrec_chassis *ch_cfg;
355 struct sbctl_port_binding {
356 const struct sbrec_port_binding *bd_cfg;
360 sbctl_context_invalidate_cache(struct ctl_context *ctx)
362 struct sbctl_context *sbctl_ctx = sbctl_context_cast(ctx);
364 if (!sbctl_ctx->cache_valid) {
367 sbctl_ctx->cache_valid = false;
368 shash_destroy_free_data(&sbctl_ctx->chassis);
369 shash_destroy_free_data(&sbctl_ctx->port_bindings);
373 sbctl_context_populate_cache(struct ctl_context *ctx)
375 struct sbctl_context *sbctl_ctx = sbctl_context_cast(ctx);
376 const struct sbrec_chassis *chassis_rec;
377 const struct sbrec_port_binding *port_binding_rec;
378 struct sset chassis, port_bindings;
380 if (sbctl_ctx->cache_valid) {
381 /* Cache is already populated. */
384 sbctl_ctx->cache_valid = true;
385 shash_init(&sbctl_ctx->chassis);
386 shash_init(&sbctl_ctx->port_bindings);
388 SBREC_CHASSIS_FOR_EACH(chassis_rec, ctx->idl) {
389 struct sbctl_chassis *ch;
391 if (!sset_add(&chassis, chassis_rec->name)) {
392 VLOG_WARN("database contains duplicate chassis name (%s)",
397 ch = xmalloc(sizeof *ch);
398 ch->ch_cfg = chassis_rec;
399 shash_add(&sbctl_ctx->chassis, chassis_rec->name, ch);
401 sset_destroy(&chassis);
403 sset_init(&port_bindings);
404 SBREC_PORT_BINDING_FOR_EACH(port_binding_rec, ctx->idl) {
405 struct sbctl_port_binding *bd;
407 if (!sset_add(&port_bindings, port_binding_rec->logical_port)) {
408 VLOG_WARN("database contains duplicate port binding for logical "
410 port_binding_rec->logical_port);
414 bd = xmalloc(sizeof *bd);
415 bd->bd_cfg = port_binding_rec;
416 shash_add(&sbctl_ctx->port_bindings, port_binding_rec->logical_port,
419 sset_destroy(&port_bindings);
423 check_conflicts(struct sbctl_context *sbctl_ctx, const char *name,
426 if (shash_find(&sbctl_ctx->chassis, name)) {
427 ctl_fatal("%s because a chassis named %s already exists",
433 static struct sbctl_chassis *
434 find_chassis(struct sbctl_context *sbctl_ctx, const char *name,
437 struct sbctl_chassis *sbctl_ch;
439 ovs_assert(sbctl_ctx->cache_valid);
441 sbctl_ch = shash_find_data(&sbctl_ctx->chassis, name);
442 if (must_exist && !sbctl_ch) {
443 ctl_fatal("no chassis named %s", name);
449 static struct sbctl_port_binding *
450 find_port_binding(struct sbctl_context *sbctl_ctx, const char *name,
453 struct sbctl_port_binding *bd;
455 ovs_assert(sbctl_ctx->cache_valid);
457 bd = shash_find_data(&sbctl_ctx->port_bindings, name);
458 if (must_exist && !bd) {
459 ctl_fatal("no port named %s", name);
466 pre_get_info(struct ctl_context *ctx)
468 ovsdb_idl_add_column(ctx->idl, &sbrec_chassis_col_name);
469 ovsdb_idl_add_column(ctx->idl, &sbrec_chassis_col_encaps);
471 ovsdb_idl_add_column(ctx->idl, &sbrec_encap_col_type);
472 ovsdb_idl_add_column(ctx->idl, &sbrec_encap_col_ip);
474 ovsdb_idl_add_column(ctx->idl, &sbrec_port_binding_col_logical_port);
475 ovsdb_idl_add_column(ctx->idl, &sbrec_port_binding_col_chassis);
477 ovsdb_idl_add_column(ctx->idl, &sbrec_logical_flow_col_logical_datapath);
478 ovsdb_idl_add_column(ctx->idl, &sbrec_logical_flow_col_pipeline);
479 ovsdb_idl_add_column(ctx->idl, &sbrec_logical_flow_col_actions);
480 ovsdb_idl_add_column(ctx->idl, &sbrec_logical_flow_col_priority);
481 ovsdb_idl_add_column(ctx->idl, &sbrec_logical_flow_col_table_id);
482 ovsdb_idl_add_column(ctx->idl, &sbrec_logical_flow_col_match);
483 ovsdb_idl_add_column(ctx->idl, &sbrec_logical_flow_col_external_ids);
486 static struct cmd_show_table cmd_show_tables[] = {
487 {&sbrec_table_chassis,
488 &sbrec_chassis_col_name,
489 {&sbrec_chassis_col_encaps,
492 {&sbrec_table_port_binding,
493 &sbrec_port_binding_col_logical_port,
494 &sbrec_port_binding_col_chassis}},
497 &sbrec_encap_col_type,
498 {&sbrec_encap_col_ip,
499 &sbrec_encap_col_options,
503 {NULL, NULL, {NULL, NULL, NULL}, {NULL, NULL, NULL}},
507 cmd_chassis_add(struct ctl_context *ctx)
509 struct sbctl_context *sbctl_ctx = sbctl_context_cast(ctx);
510 struct sbrec_chassis *ch;
511 struct sbrec_encap *encap;
512 bool may_exist = shash_find(&ctx->options, "--may-exist") != NULL;
513 const char *ch_name, *encap_type, *encap_ip;
515 ch_name = ctx->argv[1];
516 encap_type = ctx->argv[2];
517 encap_ip = ctx->argv[3];
519 sbctl_context_populate_cache(ctx);
521 struct sbctl_chassis *sbctl_ch;
523 sbctl_ch = find_chassis(sbctl_ctx, ch_name, false);
528 check_conflicts(sbctl_ctx, ch_name,
529 xasprintf("cannot create a chassis named %s", ch_name));
530 ch = sbrec_chassis_insert(ctx->txn);
531 sbrec_chassis_set_name(ch, ch_name);
532 encap = sbrec_encap_insert(ctx->txn);
533 sbrec_encap_set_type(encap, encap_type);
534 sbrec_encap_set_ip(encap, encap_ip);
535 sbrec_chassis_set_encaps(ch, &encap, 1);
536 sbctl_context_invalidate_cache(ctx);
540 cmd_chassis_del(struct ctl_context *ctx)
542 struct sbctl_context *sbctl_ctx = sbctl_context_cast(ctx);
543 bool must_exist = !shash_find(&ctx->options, "--if-exists");
544 struct sbctl_chassis *sbctl_ch;
546 sbctl_context_populate_cache(ctx);
547 sbctl_ch = find_chassis(sbctl_ctx, ctx->argv[1], must_exist);
549 if (sbctl_ch->ch_cfg) {
552 for (i = 0; i < sbctl_ch->ch_cfg->n_encaps; i++) {
553 sbrec_encap_delete(sbctl_ch->ch_cfg->encaps[i]);
555 sbrec_chassis_delete(sbctl_ch->ch_cfg);
557 shash_find_and_delete(&sbctl_ctx->chassis, ctx->argv[1]);
563 cmd_lport_bind(struct ctl_context *ctx)
565 struct sbctl_context *sbctl_ctx = sbctl_context_cast(ctx);
566 bool may_exist = shash_find(&ctx->options, "--may-exist") != NULL;
567 struct sbctl_chassis *sbctl_ch;
568 struct sbctl_port_binding *sbctl_bd;
569 char *lport_name, *ch_name;
571 /* port_binding must exist, chassis must exist! */
572 lport_name = ctx->argv[1];
573 ch_name = ctx->argv[2];
575 sbctl_context_populate_cache(ctx);
576 sbctl_bd = find_port_binding(sbctl_ctx, lport_name, true);
577 sbctl_ch = find_chassis(sbctl_ctx, ch_name, true);
579 if (sbctl_bd->bd_cfg->chassis) {
580 if (may_exist && sbctl_bd->bd_cfg->chassis == sbctl_ch->ch_cfg) {
583 ctl_fatal("lport (%s) has already been binded to chassis (%s)",
584 lport_name, sbctl_bd->bd_cfg->chassis->name);
587 sbrec_port_binding_set_chassis(sbctl_bd->bd_cfg, sbctl_ch->ch_cfg);
588 sbctl_context_invalidate_cache(ctx);
592 cmd_lport_unbind(struct ctl_context *ctx)
594 struct sbctl_context *sbctl_ctx = sbctl_context_cast(ctx);
595 bool must_exist = !shash_find(&ctx->options, "--if-exists");
596 struct sbctl_port_binding *sbctl_bd;
599 lport_name = ctx->argv[1];
600 sbctl_context_populate_cache(ctx);
601 sbctl_bd = find_port_binding(sbctl_ctx, lport_name, must_exist);
603 sbrec_port_binding_set_chassis(sbctl_bd->bd_cfg, NULL);
612 /* Help ensure we catch any future pipeline values */
614 pipeline_encode(const char *pl)
616 if (!strcmp(pl, "ingress")) {
618 } else if (!strcmp(pl, "egress")) {
626 lflow_cmp(const void *lf1_, const void *lf2_)
628 const struct sbrec_logical_flow *const *lf1p = lf1_;
629 const struct sbrec_logical_flow *const *lf2p = lf2_;
630 const struct sbrec_logical_flow *lf1 = *lf1p;
631 const struct sbrec_logical_flow *lf2 = *lf2p;
633 int pl1 = pipeline_encode(lf1->pipeline);
634 int pl2 = pipeline_encode(lf2->pipeline);
645 CMP(uuid_compare_3way(&lf1->logical_datapath->header_.uuid,
646 &lf2->logical_datapath->header_.uuid));
648 CMP(lf1->table_id > lf2->table_id ? 1 :
649 (lf1->table_id < lf2->table_id ? -1 : 0));
650 CMP(lf1->priority > lf2->priority ? -1 :
651 (lf1->priority < lf2->priority ? 1 : 0));
652 CMP(strcmp(lf1->match, lf2->match));
660 cmd_lflow_list(struct ctl_context *ctx)
662 const char *datapath = ctx->argc == 2 ? ctx->argv[1] : NULL;
663 struct uuid datapath_uuid = { .parts = { 0, }};
664 const struct sbrec_logical_flow **lflows;
665 const struct sbrec_logical_flow *lflow;
666 size_t n_flows = 0, n_capacity = 64;
668 if (datapath && !uuid_from_string(&datapath_uuid, datapath)) {
669 VLOG_ERR("Invalid format of datapath UUID");
673 lflows = xmalloc(sizeof *lflows * n_capacity);
674 SBREC_LOGICAL_FLOW_FOR_EACH (lflow, ctx->idl) {
675 if (n_flows == n_capacity) {
676 lflows = x2nrealloc(lflows, &n_capacity, sizeof *lflows);
678 lflows[n_flows] = lflow;
682 qsort(lflows, n_flows, sizeof *lflows, lflow_cmp);
684 const char *cur_pipeline = "";
686 for (i = 0; i < n_flows; i++) {
688 if (datapath && !uuid_equals(&datapath_uuid,
689 &lflow->logical_datapath->header_.uuid)) {
692 if (strcmp(cur_pipeline, lflow->pipeline)) {
693 printf("Datapath: " UUID_FMT " Pipeline: %s\n",
694 UUID_ARGS(&lflow->logical_datapath->header_.uuid),
696 cur_pipeline = lflow->pipeline;
699 const char *table_name = smap_get(&lflow->external_ids, "stage-name");
700 printf(" table=%" PRId64 "(%8s), priority=%5" PRId64
701 ", match=(%s), action=(%s)\n",
702 lflow->table_id, table_name ? table_name : "",
703 lflow->priority, lflow->match, lflow->actions);
710 static const struct ctl_table_class tables[] = {
711 {&sbrec_table_chassis,
712 {{&sbrec_table_chassis, &sbrec_chassis_col_name, NULL},
713 {NULL, NULL, NULL}}},
717 {NULL, NULL, NULL}}},
719 {&sbrec_table_logical_flow,
720 {{&sbrec_table_logical_flow, NULL,
721 &sbrec_logical_flow_col_logical_datapath},
722 {NULL, NULL, NULL}}},
724 {&sbrec_table_multicast_group,
726 {NULL, NULL, NULL}}},
728 {&sbrec_table_datapath_binding,
730 {NULL, NULL, NULL}}},
732 {&sbrec_table_port_binding,
733 {{&sbrec_table_port_binding, &sbrec_port_binding_col_logical_port, NULL},
734 {NULL, NULL, NULL}}},
736 {NULL, {{NULL, NULL, NULL}, {NULL, NULL, NULL}}}
741 sbctl_context_init_command(struct sbctl_context *sbctl_ctx,
742 struct ctl_command *command)
744 ctl_context_init_command(&sbctl_ctx->base, command);
748 sbctl_context_init(struct sbctl_context *sbctl_ctx,
749 struct ctl_command *command, struct ovsdb_idl *idl,
750 struct ovsdb_idl_txn *txn,
751 struct ovsdb_symbol_table *symtab)
753 ctl_context_init(&sbctl_ctx->base, command, idl, txn, symtab,
754 sbctl_context_invalidate_cache);
755 sbctl_ctx->cache_valid = false;
759 sbctl_context_done_command(struct sbctl_context *sbctl_ctx,
760 struct ctl_command *command)
762 ctl_context_done_command(&sbctl_ctx->base, command);
766 sbctl_context_done(struct sbctl_context *sbctl_ctx,
767 struct ctl_command *command)
769 ctl_context_done(&sbctl_ctx->base, command);
773 run_prerequisites(struct ctl_command *commands, size_t n_commands,
774 struct ovsdb_idl *idl)
776 struct ctl_command *c;
778 for (c = commands; c < &commands[n_commands]; c++) {
779 if (c->syntax->prerequisites) {
780 struct sbctl_context sbctl_ctx;
785 sbctl_context_init(&sbctl_ctx, c, idl, NULL, NULL);
786 (c->syntax->prerequisites)(&sbctl_ctx.base);
787 sbctl_context_done(&sbctl_ctx, c);
789 ovs_assert(!c->output.string);
790 ovs_assert(!c->table);
796 do_sbctl(const char *args, struct ctl_command *commands, size_t n_commands,
797 struct ovsdb_idl *idl)
799 struct ovsdb_idl_txn *txn;
800 enum ovsdb_idl_txn_status status;
801 struct ovsdb_symbol_table *symtab;
802 struct sbctl_context sbctl_ctx;
803 struct ctl_command *c;
804 struct shash_node *node;
807 txn = the_idl_txn = ovsdb_idl_txn_create(idl);
809 ovsdb_idl_txn_set_dry_run(txn);
812 ovsdb_idl_txn_add_comment(txn, "ovs-sbctl: %s", args);
814 symtab = ovsdb_symbol_table_create();
815 for (c = commands; c < &commands[n_commands]; c++) {
819 sbctl_context_init(&sbctl_ctx, NULL, idl, txn, symtab);
820 for (c = commands; c < &commands[n_commands]; c++) {
821 sbctl_context_init_command(&sbctl_ctx, c);
822 if (c->syntax->run) {
823 (c->syntax->run)(&sbctl_ctx.base);
825 sbctl_context_done_command(&sbctl_ctx, c);
827 if (sbctl_ctx.base.try_again) {
828 sbctl_context_done(&sbctl_ctx, NULL);
832 sbctl_context_done(&sbctl_ctx, NULL);
834 SHASH_FOR_EACH (node, &symtab->sh) {
835 struct ovsdb_symbol *symbol = node->data;
836 if (!symbol->created) {
837 ctl_fatal("row id \"%s\" is referenced but never created (e.g. "
838 "with \"-- --id=%s create ...\")",
839 node->name, node->name);
841 if (!symbol->strong_ref) {
842 if (!symbol->weak_ref) {
843 VLOG_WARN("row id \"%s\" was created but no reference to it "
844 "was inserted, so it will not actually appear in "
845 "the database", node->name);
847 VLOG_WARN("row id \"%s\" was created but only a weak "
848 "reference to it was inserted, so it will not "
849 "actually appear in the database", node->name);
854 status = ovsdb_idl_txn_commit_block(txn);
855 if (status == TXN_UNCHANGED || status == TXN_SUCCESS) {
856 for (c = commands; c < &commands[n_commands]; c++) {
857 if (c->syntax->postprocess) {
858 sbctl_context_init(&sbctl_ctx, c, idl, txn, symtab);
859 (c->syntax->postprocess)(&sbctl_ctx.base);
860 sbctl_context_done(&sbctl_ctx, c);
864 error = xstrdup(ovsdb_idl_txn_get_error(txn));
867 case TXN_UNCOMMITTED:
872 /* Should not happen--we never call ovsdb_idl_txn_abort(). */
873 ctl_fatal("transaction aborted");
883 ctl_fatal("transaction error: %s", error);
886 /* Should not happen--we never call ovsdb_idl_set_lock(). */
887 ctl_fatal("database not locked");
894 ovsdb_symbol_table_destroy(symtab);
896 for (c = commands; c < &commands[n_commands]; c++) {
897 struct ds *ds = &c->output;
900 table_print(c->table, &table_style);
901 } else if (oneline) {
905 for (j = 0; j < ds->length; j++) {
906 int ch = ds->string[j];
909 fputs("\\n", stdout);
913 fputs("\\\\", stdout);
922 fputs(ds_cstr(ds), stdout);
924 ds_destroy(&c->output);
925 table_destroy(c->table);
928 shash_destroy_free_data(&c->options);
931 ovsdb_idl_txn_destroy(txn);
932 ovsdb_idl_destroy(idl);
937 /* Our transaction needs to be rerun, or a prerequisite was not met. Free
938 * resources and return so that the caller can try again. */
940 ovsdb_idl_txn_abort(txn);
941 ovsdb_idl_txn_destroy(txn);
944 ovsdb_symbol_table_destroy(symtab);
945 for (c = commands; c < &commands[n_commands]; c++) {
946 ds_destroy(&c->output);
947 table_destroy(c->table);
953 /* Frees the current transaction and the underlying IDL and then calls
956 * Freeing the transaction and the IDL is not strictly necessary, but it makes
957 * for a clean memory leak report from valgrind in the normal case. That makes
958 * it easier to notice real memory leaks. */
960 sbctl_exit(int status)
963 ovsdb_idl_txn_abort(the_idl_txn);
964 ovsdb_idl_txn_destroy(the_idl_txn);
966 ovsdb_idl_destroy(the_idl);
970 static const struct ctl_command_syntax sbctl_commands[] = {
971 /* Chassis commands. */
972 {"chassis-add", 3, 3, "CHASSIS ENCAP-TYPE ENCAP-IP", pre_get_info,
973 cmd_chassis_add, NULL, "--may-exist", RW},
974 {"chassis-del", 1, 1, "CHASSIS", pre_get_info, cmd_chassis_del, NULL,
977 /* Port binding commands. */
978 {"lport-bind", 2, 2, "LPORT CHASSIS", pre_get_info, cmd_lport_bind, NULL,
980 {"lport-unbind", 1, 1, "LPORT", pre_get_info, cmd_lport_unbind, NULL,
983 /* Logical flow commands */
984 {"lflow-list", 0, 1, "[DATAPATH]", pre_get_info, cmd_lflow_list, NULL,
986 {"dump-flows", 0, 1, "[DATAPATH]", pre_get_info, cmd_lflow_list, NULL,
987 "", RO}, /* Friendly alias for lflow-list */
989 /* SSL commands (To Be Added). */
991 {NULL, 0, 0, NULL, NULL, NULL, NULL, NULL, RO},
994 /* Registers sbctl and common db commands. */
998 ctl_init(tables, cmd_show_tables, sbctl_exit);
999 ctl_register_commands(sbctl_commands);