+
+static void
+pre_cmd_del_ssl(struct vsctl_context *ctx)
+{
+ ovsdb_idl_add_column(ctx->idl, &ovsrec_open_vswitch_col_ssl);
+}
+
+static void
+cmd_del_ssl(struct vsctl_context *ctx)
+{
+ struct ovsrec_ssl *ssl = ctx->ovs->ssl;
+
+ if (ssl) {
+ ovsrec_open_vswitch_verify_ssl(ctx->ovs);
+ ovsrec_ssl_delete(ssl);
+ ovsrec_open_vswitch_set_ssl(ctx->ovs, NULL);
+ }
+}
+
+static void
+pre_cmd_set_ssl(struct vsctl_context *ctx)
+{
+ ovsdb_idl_add_column(ctx->idl, &ovsrec_open_vswitch_col_ssl);
+}
+
+static void
+cmd_set_ssl(struct vsctl_context *ctx)
+{
+ bool bootstrap = shash_find(&ctx->options, "--bootstrap");
+ struct ovsrec_ssl *ssl = ctx->ovs->ssl;
+
+ ovsrec_open_vswitch_verify_ssl(ctx->ovs);
+ if (ssl) {
+ ovsrec_ssl_delete(ssl);
+ }
+ ssl = ovsrec_ssl_insert(ctx->txn);
+
+ ovsrec_ssl_set_private_key(ssl, ctx->argv[1]);
+ ovsrec_ssl_set_certificate(ssl, ctx->argv[2]);
+ ovsrec_ssl_set_ca_cert(ssl, ctx->argv[3]);
+
+ ovsrec_ssl_set_bootstrap_ca_cert(ssl, bootstrap);
+
+ ovsrec_open_vswitch_set_ssl(ctx->ovs, ssl);
+}
+\f
+/* Parameter commands. */
+
+struct vsctl_row_id {
+ const struct ovsdb_idl_table_class *table;
+ const struct ovsdb_idl_column *name_column;
+ const struct ovsdb_idl_column *uuid_column;
+};
+
+struct vsctl_table_class {
+ struct ovsdb_idl_table_class *class;
+ struct vsctl_row_id row_ids[2];
+};
+
+static const struct vsctl_table_class tables[] = {
+ {&ovsrec_table_bridge,
+ {{&ovsrec_table_bridge, &ovsrec_bridge_col_name, NULL},
+ {NULL, NULL, NULL}}},
+
+ {&ovsrec_table_controller,
+ {{&ovsrec_table_bridge,
+ &ovsrec_bridge_col_name,
+ &ovsrec_bridge_col_controller}}},
+
+ {&ovsrec_table_interface,
+ {{&ovsrec_table_interface, &ovsrec_interface_col_name, NULL},
+ {NULL, NULL, NULL}}},
+
+ {&ovsrec_table_mirror,
+ {{&ovsrec_table_mirror, &ovsrec_mirror_col_name, NULL},
+ {NULL, NULL, NULL}}},
+
+ {&ovsrec_table_manager,
+ {{&ovsrec_table_manager, &ovsrec_manager_col_target, NULL},
+ {NULL, NULL, NULL}}},
+
+ {&ovsrec_table_netflow,
+ {{&ovsrec_table_bridge,
+ &ovsrec_bridge_col_name,
+ &ovsrec_bridge_col_netflow},
+ {NULL, NULL, NULL}}},
+
+ {&ovsrec_table_open_vswitch,
+ {{&ovsrec_table_open_vswitch, NULL, NULL},
+ {NULL, NULL, NULL}}},
+
+ {&ovsrec_table_port,
+ {{&ovsrec_table_port, &ovsrec_port_col_name, NULL},
+ {NULL, NULL, NULL}}},
+
+ {&ovsrec_table_qos,
+ {{&ovsrec_table_port, &ovsrec_port_col_name, &ovsrec_port_col_qos},
+ {NULL, NULL, NULL}}},
+
+ {&ovsrec_table_monitor,
+ {{&ovsrec_table_interface,
+ &ovsrec_interface_col_name,
+ &ovsrec_interface_col_monitor},
+ {NULL, NULL, NULL}}},
+
+ {&ovsrec_table_maintenance_point,
+ {{NULL, NULL, NULL},
+ {NULL, NULL, NULL}}},
+
+ {&ovsrec_table_queue,
+ {{NULL, NULL, NULL},
+ {NULL, NULL, NULL}}},
+
+ {&ovsrec_table_ssl,
+ {{&ovsrec_table_open_vswitch, NULL, &ovsrec_open_vswitch_col_ssl}}},
+
+ {&ovsrec_table_sflow,
+ {{&ovsrec_table_bridge,
+ &ovsrec_bridge_col_name,
+ &ovsrec_bridge_col_sflow},
+ {NULL, NULL, NULL}}},
+
+ {NULL, {{NULL, NULL, NULL}, {NULL, NULL, NULL}}}
+};
+
+static void
+die_if_error(char *error)
+{
+ if (error) {
+ vsctl_fatal("%s", error);
+ }
+}
+
+static int
+to_lower_and_underscores(unsigned c)
+{
+ return c == '-' ? '_' : tolower(c);
+}
+
+static unsigned int
+score_partial_match(const char *name, const char *s)
+{
+ int score;
+
+ if (!strcmp(name, s)) {
+ return UINT_MAX;
+ }
+ for (score = 0; ; score++, name++, s++) {
+ if (to_lower_and_underscores(*name) != to_lower_and_underscores(*s)) {
+ break;
+ } else if (*name == '\0') {
+ return UINT_MAX - 1;
+ }
+ }
+ return *s == '\0' ? score : 0;
+}
+
+static const struct vsctl_table_class *
+get_table(const char *table_name)
+{
+ const struct vsctl_table_class *table;
+ const struct vsctl_table_class *best_match = NULL;
+ unsigned int best_score = 0;
+
+ for (table = tables; table->class; table++) {
+ unsigned int score = score_partial_match(table->class->name,
+ table_name);
+ if (score > best_score) {
+ best_match = table;
+ best_score = score;
+ } else if (score == best_score) {
+ best_match = NULL;
+ }
+ }
+ if (best_match) {
+ return best_match;
+ } else if (best_score) {
+ vsctl_fatal("multiple table names match \"%s\"", table_name);
+ } else {
+ vsctl_fatal("unknown table \"%s\"", table_name);
+ }
+}
+
+static const struct vsctl_table_class *
+pre_get_table(struct vsctl_context *ctx, const char *table_name)
+{
+ const struct vsctl_table_class *table_class;
+ int i;
+
+ table_class = get_table(table_name);
+ ovsdb_idl_add_table(ctx->idl, table_class->class);
+
+ for (i = 0; i < ARRAY_SIZE(table_class->row_ids); i++) {
+ const struct vsctl_row_id *id = &table_class->row_ids[i];
+ if (id->table) {
+ ovsdb_idl_add_table(ctx->idl, id->table);
+ }
+ if (id->name_column) {
+ ovsdb_idl_add_column(ctx->idl, id->name_column);
+ }
+ if (id->uuid_column) {
+ ovsdb_idl_add_column(ctx->idl, id->uuid_column);
+ }
+ }
+
+ return table_class;
+}
+
+static const struct ovsdb_idl_row *
+get_row_by_id(struct vsctl_context *ctx, const struct vsctl_table_class *table,
+ const struct vsctl_row_id *id, const char *record_id)
+{
+ const struct ovsdb_idl_row *referrer, *final;
+
+ if (!id->table) {
+ return NULL;
+ }
+
+ if (!id->name_column) {
+ if (strcmp(record_id, ".")) {
+ return NULL;
+ }
+ referrer = ovsdb_idl_first_row(ctx->idl, id->table);
+ if (!referrer || ovsdb_idl_next_row(referrer)) {
+ return NULL;
+ }
+ } else {
+ const struct ovsdb_idl_row *row;
+
+ referrer = NULL;
+ for (row = ovsdb_idl_first_row(ctx->idl, id->table);
+ row != NULL;
+ row = ovsdb_idl_next_row(row))
+ {
+ const struct ovsdb_datum *name;
+
+ name = ovsdb_idl_get(row, id->name_column,
+ OVSDB_TYPE_STRING, OVSDB_TYPE_VOID);
+ if (name->n == 1 && !strcmp(name->keys[0].string, record_id)) {
+ if (referrer) {
+ vsctl_fatal("multiple rows in %s match \"%s\"",
+ table->class->name, record_id);
+ }
+ referrer = row;
+ }
+ }
+ }
+ if (!referrer) {
+ return NULL;
+ }
+
+ final = NULL;
+ if (id->uuid_column) {
+ const struct ovsdb_datum *uuid;
+
+ ovsdb_idl_txn_verify(referrer, id->uuid_column);
+ uuid = ovsdb_idl_get(referrer, id->uuid_column,
+ OVSDB_TYPE_UUID, OVSDB_TYPE_VOID);
+ if (uuid->n == 1) {
+ final = ovsdb_idl_get_row_for_uuid(ctx->idl, table->class,
+ &uuid->keys[0].uuid);
+ }
+ } else {
+ final = referrer;
+ }
+
+ return final;
+}
+
+static const struct ovsdb_idl_row *
+get_row (struct vsctl_context *ctx,
+ const struct vsctl_table_class *table, const char *record_id)
+{
+ const struct ovsdb_idl_row *row;
+ struct uuid uuid;
+
+ if (uuid_from_string(&uuid, record_id)) {
+ row = ovsdb_idl_get_row_for_uuid(ctx->idl, table->class, &uuid);
+ } else {
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(table->row_ids); i++) {
+ row = get_row_by_id(ctx, table, &table->row_ids[i], record_id);
+ if (row) {
+ break;
+ }
+ }
+ }
+ return row;
+}
+
+static const struct ovsdb_idl_row *
+must_get_row(struct vsctl_context *ctx,
+ const struct vsctl_table_class *table, const char *record_id)
+{
+ const struct ovsdb_idl_row *row = get_row(ctx, table, record_id);
+ if (!row) {
+ vsctl_fatal("no row \"%s\" in table %s",
+ record_id, table->class->name);
+ }
+ return row;
+}
+
+static char *
+get_column(const struct vsctl_table_class *table, const char *column_name,
+ const struct ovsdb_idl_column **columnp)
+{
+ const struct ovsdb_idl_column *best_match = NULL;
+ unsigned int best_score = 0;
+ size_t i;
+
+ for (i = 0; i < table->class->n_columns; i++) {
+ const struct ovsdb_idl_column *column = &table->class->columns[i];
+ unsigned int score = score_partial_match(column->name, column_name);
+ if (score > best_score) {
+ best_match = column;
+ best_score = score;
+ } else if (score == best_score) {
+ best_match = NULL;
+ }
+ }
+
+ *columnp = best_match;
+ if (best_match) {
+ return NULL;
+ } else if (best_score) {
+ return xasprintf("%s contains more than one column whose name "
+ "matches \"%s\"", table->class->name, column_name);
+ } else {
+ return xasprintf("%s does not contain a column whose name matches "
+ "\"%s\"", table->class->name, column_name);
+ }
+}
+
+static struct ovsdb_symbol *
+create_symbol(struct ovsdb_symbol_table *symtab, const char *id, bool *newp)
+{
+ struct ovsdb_symbol *symbol;
+
+ if (id[0] != '@') {
+ vsctl_fatal("row id \"%s\" does not begin with \"@\"", id);
+ }
+
+ if (newp) {
+ *newp = ovsdb_symbol_table_get(symtab, id) == NULL;
+ }
+
+ symbol = ovsdb_symbol_table_insert(symtab, id);
+ if (symbol->created) {
+ vsctl_fatal("row id \"%s\" may only be specified on one --id option",
+ id);
+ }
+ symbol->created = true;
+ return symbol;
+}
+
+static void
+pre_get_column(struct vsctl_context *ctx,
+ const struct vsctl_table_class *table, const char *column_name,
+ const struct ovsdb_idl_column **columnp)
+{
+ die_if_error(get_column(table, column_name, columnp));
+ ovsdb_idl_add_column(ctx->idl, *columnp);
+}
+
+static char *
+missing_operator_error(const char *arg, const char **allowed_operators,
+ size_t n_allowed)
+{
+ struct ds s;
+
+ ds_init(&s);
+ ds_put_format(&s, "%s: argument does not end in ", arg);
+ ds_put_format(&s, "\"%s\"", allowed_operators[0]);
+ if (n_allowed == 2) {
+ ds_put_format(&s, " or \"%s\"", allowed_operators[1]);
+ } else if (n_allowed > 2) {
+ size_t i;
+
+ for (i = 1; i < n_allowed - 1; i++) {
+ ds_put_format(&s, ", \"%s\"", allowed_operators[i]);
+ }
+ ds_put_format(&s, ", or \"%s\"", allowed_operators[i]);
+ }
+ ds_put_format(&s, " followed by a value.");
+
+ return ds_steal_cstr(&s);
+}
+
+/* Breaks 'arg' apart into a number of fields in the following order:
+ *
+ * - The name of a column in 'table', stored into '*columnp'. The column
+ * name may be abbreviated.
+ *
+ * - Optionally ':' followed by a key string. The key is stored as a
+ * malloc()'d string into '*keyp', or NULL if no key is present in
+ * 'arg'.
+ *
+ * - If 'valuep' is nonnull, an operator followed by a value string. The
+ * allowed operators are the 'n_allowed' string in 'allowed_operators',
+ * or just "=" if 'n_allowed' is 0. If 'operatorp' is nonnull, then the
+ * operator is stored into '*operatorp' (one of the pointers from
+ * 'allowed_operators' is stored; nothing is malloc()'d). The value is
+ * stored as a malloc()'d string into '*valuep', or NULL if no value is
+ * present in 'arg'.
+ *
+ * On success, returns NULL. On failure, returned a malloc()'d string error
+ * message and stores NULL into all of the nonnull output arguments. */
+static char * WARN_UNUSED_RESULT
+parse_column_key_value(const char *arg,
+ const struct vsctl_table_class *table,
+ const struct ovsdb_idl_column **columnp, char **keyp,
+ const char **operatorp,
+ const char **allowed_operators, size_t n_allowed,
+ char **valuep)
+{
+ const char *p = arg;
+ char *column_name;
+ char *error;
+
+ assert(!(operatorp && !valuep));
+ *keyp = NULL;
+ if (valuep) {
+ *valuep = NULL;
+ }
+
+ /* Parse column name. */
+ error = ovsdb_token_parse(&p, &column_name);
+ if (error) {
+ goto error;
+ }
+ if (column_name[0] == '\0') {
+ free(column_name);
+ error = xasprintf("%s: missing column name", arg);
+ goto error;
+ }
+ error = get_column(table, column_name, columnp);
+ free(column_name);
+ if (error) {
+ goto error;
+ }
+
+ /* Parse key string. */
+ if (*p == ':') {
+ p++;
+ error = ovsdb_token_parse(&p, keyp);
+ if (error) {
+ goto error;
+ }
+ }
+
+ /* Parse value string. */
+ if (valuep) {
+ const char *best;
+ size_t best_len;
+ size_t i;
+
+ if (!allowed_operators) {
+ static const char *equals = "=";
+ allowed_operators = =
+ n_allowed = 1;
+ }
+
+ best = NULL;
+ best_len = 0;
+ for (i = 0; i < n_allowed; i++) {
+ const char *op = allowed_operators[i];
+ size_t op_len = strlen(op);
+
+ if (op_len > best_len && !strncmp(op, p, op_len) && p[op_len]) {
+ best_len = op_len;
+ best = op;
+ }
+ }
+ if (!best) {
+ error = missing_operator_error(arg, allowed_operators, n_allowed);
+ goto error;
+ }
+
+ if (operatorp) {
+ *operatorp = best;
+ }
+ *valuep = xstrdup(p + best_len);
+ } else {
+ if (valuep) {
+ *valuep = NULL;
+ }
+ if (*p != '\0') {
+ error = xasprintf("%s: trailing garbage \"%s\" in argument",
+ arg, p);
+ goto error;
+ }
+ }
+ return NULL;
+
+error:
+ *columnp = NULL;
+ free(*keyp);
+ *keyp = NULL;
+ if (valuep) {
+ free(*valuep);
+ *valuep = NULL;
+ if (operatorp) {
+ *operatorp = NULL;
+ }
+ }
+ return error;
+}
+
+static void
+pre_parse_column_key_value(struct vsctl_context *ctx,
+ const char *arg,
+ const struct vsctl_table_class *table)
+{
+ const struct ovsdb_idl_column *column;
+ const char *p;
+ char *column_name;
+
+ p = arg;
+ die_if_error(ovsdb_token_parse(&p, &column_name));
+ if (column_name[0] == '\0') {
+ vsctl_fatal("%s: missing column name", arg);
+ }
+
+ pre_get_column(ctx, table, column_name, &column);
+ free(column_name);
+}
+
+static void
+pre_cmd_get(struct vsctl_context *ctx)
+{
+ const char *table_name = ctx->argv[1];
+ const struct vsctl_table_class *table;
+ int i;
+
+ table = pre_get_table(ctx, table_name);
+ for (i = 3; i < ctx->argc; i++) {
+ if (!strcasecmp(ctx->argv[i], "_uuid")
+ || !strcasecmp(ctx->argv[i], "-uuid")) {
+ continue;
+ }
+
+ pre_parse_column_key_value(ctx, ctx->argv[i], table);
+ }
+}
+
+static void
+cmd_get(struct vsctl_context *ctx)
+{
+ const char *id = shash_find_data(&ctx->options, "--id");
+ bool if_exists = shash_find(&ctx->options, "--if-exists");
+ const char *table_name = ctx->argv[1];
+ const char *record_id = ctx->argv[2];
+ const struct vsctl_table_class *table;
+ const struct ovsdb_idl_row *row;
+ struct ds *out = &ctx->output;
+ int i;
+
+ table = get_table(table_name);
+ row = must_get_row(ctx, table, record_id);
+ if (id) {
+ struct ovsdb_symbol *symbol;
+ bool new;
+
+ symbol = create_symbol(ctx->symtab, id, &new);
+ if (!new) {
+ vsctl_fatal("row id \"%s\" specified on \"get\" command was used "
+ "before it was defined", id);
+ }
+ symbol->uuid = row->uuid;
+
+ /* This symbol refers to a row that already exists, so disable warnings
+ * about it being unreferenced. */
+ symbol->strong_ref = true;
+ }
+ for (i = 3; i < ctx->argc; i++) {
+ const struct ovsdb_idl_column *column;
+ const struct ovsdb_datum *datum;
+ char *key_string;
+
+ /* Special case for obtaining the UUID of a row. We can't just do this
+ * through parse_column_key_value() below since it returns a "struct
+ * ovsdb_idl_column" and the UUID column doesn't have one. */
+ if (!strcasecmp(ctx->argv[i], "_uuid")
+ || !strcasecmp(ctx->argv[i], "-uuid")) {
+ ds_put_format(out, UUID_FMT"\n", UUID_ARGS(&row->uuid));
+ continue;
+ }
+
+ die_if_error(parse_column_key_value(ctx->argv[i], table,
+ &column, &key_string,
+ NULL, NULL, 0, NULL));
+
+ ovsdb_idl_txn_verify(row, column);
+ datum = ovsdb_idl_read(row, column);
+ if (key_string) {
+ union ovsdb_atom key;
+ unsigned int idx;
+
+ if (column->type.value.type == OVSDB_TYPE_VOID) {
+ vsctl_fatal("cannot specify key to get for non-map column %s",
+ column->name);
+ }
+
+ die_if_error(ovsdb_atom_from_string(&key,
+ &column->type.key,
+ key_string, ctx->symtab));
+
+ idx = ovsdb_datum_find_key(datum, &key,
+ column->type.key.type);
+ if (idx == UINT_MAX) {
+ if (!if_exists) {
+ vsctl_fatal("no key \"%s\" in %s record \"%s\" column %s",
+ key_string, table->class->name, record_id,
+ column->name);
+ }
+ } else {
+ ovsdb_atom_to_string(&datum->values[idx],
+ column->type.value.type, out);
+ }
+ ovsdb_atom_destroy(&key, column->type.key.type);
+ } else {
+ ovsdb_datum_to_string(datum, &column->type, out);
+ }
+ ds_put_char(out, '\n');
+
+ free(key_string);
+ }
+}
+
+static void
+parse_column_names(const char *column_names,
+ const struct vsctl_table_class *table,
+ const struct ovsdb_idl_column ***columnsp,
+ size_t *n_columnsp)
+{
+ const struct ovsdb_idl_column **columns;
+ size_t n_columns;
+
+ if (!column_names) {
+ size_t i;
+
+ n_columns = table->class->n_columns + 1;
+ columns = xmalloc(n_columns * sizeof *columns);
+ columns[0] = NULL;
+ for (i = 0; i < table->class->n_columns; i++) {
+ columns[i + 1] = &table->class->columns[i];
+ }
+ } else {
+ char *s = xstrdup(column_names);
+ size_t allocated_columns;
+ char *save_ptr = NULL;
+ char *column_name;
+
+ columns = NULL;
+ allocated_columns = n_columns = 0;
+ for (column_name = strtok_r(s, ", ", &save_ptr); column_name;
+ column_name = strtok_r(NULL, ", ", &save_ptr)) {
+ const struct ovsdb_idl_column *column;
+
+ if (!strcasecmp(column_name, "_uuid")) {
+ column = NULL;
+ } else {
+ die_if_error(get_column(table, column_name, &column));
+ }
+ if (n_columns >= allocated_columns) {
+ columns = x2nrealloc(columns, &allocated_columns,
+ sizeof *columns);
+ }
+ columns[n_columns++] = column;
+ }
+ free(s);
+
+ if (!n_columns) {
+ vsctl_fatal("must specify at least one column name");
+ }
+ }
+ *columnsp = columns;
+ *n_columnsp = n_columns;
+}
+
+
+static void
+pre_list_columns(struct vsctl_context *ctx,
+ const struct vsctl_table_class *table,
+ const char *column_names)
+{
+ const struct ovsdb_idl_column **columns;
+ size_t n_columns;
+ size_t i;
+
+ parse_column_names(column_names, table, &columns, &n_columns);
+ for (i = 0; i < n_columns; i++) {
+ if (columns[i]) {
+ ovsdb_idl_add_column(ctx->idl, columns[i]);
+ }
+ }
+ free(columns);
+}
+
+static void
+pre_cmd_list(struct vsctl_context *ctx)
+{
+ const char *column_names = shash_find_data(&ctx->options, "--columns");
+ const char *table_name = ctx->argv[1];
+ const struct vsctl_table_class *table;
+
+ table = pre_get_table(ctx, table_name);
+ pre_list_columns(ctx, table, column_names);
+}
+
+static struct table *
+list_make_table(const struct ovsdb_idl_column **columns, size_t n_columns)
+{
+ struct table *out;
+ size_t i;
+
+ out = xmalloc(sizeof *out);
+ table_init(out);
+
+ for (i = 0; i < n_columns; i++) {
+ const struct ovsdb_idl_column *column = columns[i];
+ const char *column_name = column ? column->name : "_uuid";
+
+ table_add_column(out, "%s", column_name);
+ }
+
+ return out;
+}
+
+static void
+list_record(const struct ovsdb_idl_row *row,
+ const struct ovsdb_idl_column **columns, size_t n_columns,
+ struct table *out)
+{
+ size_t i;
+
+ table_add_row(out);
+ for (i = 0; i < n_columns; i++) {
+ const struct ovsdb_idl_column *column = columns[i];
+ struct cell *cell = table_add_cell(out);
+
+ if (!column) {
+ struct ovsdb_datum datum;
+ union ovsdb_atom atom;
+
+ atom.uuid = row->uuid;
+
+ datum.keys = &atom;
+ datum.values = NULL;
+ datum.n = 1;
+
+ cell->json = ovsdb_datum_to_json(&datum, &ovsdb_type_uuid);
+ cell->type = &ovsdb_type_uuid;
+ } else {
+ const struct ovsdb_datum *datum = ovsdb_idl_read(row, column);
+
+ cell->json = ovsdb_datum_to_json(datum, &column->type);
+ cell->type = &column->type;
+ }
+ }
+}
+
+static void
+cmd_list(struct vsctl_context *ctx)
+{
+ const char *column_names = shash_find_data(&ctx->options, "--columns");
+ const struct ovsdb_idl_column **columns;
+ const char *table_name = ctx->argv[1];
+ const struct vsctl_table_class *table;
+ struct table *out;
+ size_t n_columns;
+ int i;
+
+ table = get_table(table_name);
+ parse_column_names(column_names, table, &columns, &n_columns);
+ out = ctx->table = list_make_table(columns, n_columns);
+ if (ctx->argc > 2) {
+ for (i = 2; i < ctx->argc; i++) {
+ list_record(must_get_row(ctx, table, ctx->argv[i]),
+ columns, n_columns, out);
+ }
+ } else {
+ const struct ovsdb_idl_row *row;
+ bool first;
+
+ for (row = ovsdb_idl_first_row(ctx->idl, table->class), first = true;
+ row != NULL;
+ row = ovsdb_idl_next_row(row), first = false) {
+ list_record(row, columns, n_columns, out);
+ }
+ }
+ free(columns);
+}
+
+static void
+pre_cmd_find(struct vsctl_context *ctx)
+{
+ const char *column_names = shash_find_data(&ctx->options, "--columns");
+ const char *table_name = ctx->argv[1];
+ const struct vsctl_table_class *table;
+ int i;
+
+ table = pre_get_table(ctx, table_name);
+ pre_list_columns(ctx, table, column_names);
+ for (i = 2; i < ctx->argc; i++) {
+ pre_parse_column_key_value(ctx, ctx->argv[i], table);
+ }
+}
+
+static void
+cmd_find(struct vsctl_context *ctx)
+{
+ const char *column_names = shash_find_data(&ctx->options, "--columns");
+ const struct ovsdb_idl_column **columns;
+ const char *table_name = ctx->argv[1];
+ const struct vsctl_table_class *table;
+ const struct ovsdb_idl_row *row;
+ struct table *out;
+ size_t n_columns;
+
+ table = get_table(table_name);
+ parse_column_names(column_names, table, &columns, &n_columns);
+ out = ctx->table = list_make_table(columns, n_columns);
+ for (row = ovsdb_idl_first_row(ctx->idl, table->class); row;
+ row = ovsdb_idl_next_row(row)) {
+ int i;
+
+ for (i = 2; i < ctx->argc; i++) {
+ if (!is_condition_satisfied(table, row, ctx->argv[i],
+ ctx->symtab)) {
+ goto next_row;
+ }
+ }
+ list_record(row, columns, n_columns, out);
+
+ next_row: ;
+ }
+ free(columns);
+}
+
+static void
+pre_cmd_set(struct vsctl_context *ctx)
+{
+ const char *table_name = ctx->argv[1];
+ const struct vsctl_table_class *table;
+ int i;
+
+ table = pre_get_table(ctx, table_name);
+ for (i = 3; i < ctx->argc; i++) {
+ pre_parse_column_key_value(ctx, ctx->argv[i], table);
+ }
+}
+
+static void
+set_column(const struct vsctl_table_class *table,
+ const struct ovsdb_idl_row *row, const char *arg,
+ struct ovsdb_symbol_table *symtab)
+{
+ const struct ovsdb_idl_column *column;
+ char *key_string, *value_string;
+ char *error;
+
+ error = parse_column_key_value(arg, table, &column, &key_string,
+ NULL, NULL, 0, &value_string);
+ die_if_error(error);
+ if (!value_string) {
+ vsctl_fatal("%s: missing value", arg);
+ }
+
+ if (key_string) {
+ union ovsdb_atom key, value;
+ struct ovsdb_datum datum;
+
+ if (column->type.value.type == OVSDB_TYPE_VOID) {
+ vsctl_fatal("cannot specify key to set for non-map column %s",
+ column->name);
+ }
+
+ die_if_error(ovsdb_atom_from_string(&key, &column->type.key,
+ key_string, symtab));
+ die_if_error(ovsdb_atom_from_string(&value, &column->type.value,
+ value_string, symtab));
+
+ ovsdb_datum_init_empty(&datum);
+ ovsdb_datum_add_unsafe(&datum, &key, &value, &column->type);
+
+ ovsdb_atom_destroy(&key, column->type.key.type);
+ ovsdb_atom_destroy(&value, column->type.value.type);
+
+ ovsdb_datum_union(&datum, ovsdb_idl_read(row, column),
+ &column->type, false);
+ ovsdb_idl_txn_write(row, column, &datum);
+ } else {
+ struct ovsdb_datum datum;
+
+ die_if_error(ovsdb_datum_from_string(&datum, &column->type,
+ value_string, symtab));
+ ovsdb_idl_txn_write(row, column, &datum);
+ }
+
+ free(key_string);
+ free(value_string);
+}
+
+static void
+cmd_set(struct vsctl_context *ctx)
+{
+ const char *table_name = ctx->argv[1];
+ const char *record_id = ctx->argv[2];
+ const struct vsctl_table_class *table;
+ const struct ovsdb_idl_row *row;
+ int i;
+
+ table = get_table(table_name);
+ row = must_get_row(ctx, table, record_id);
+ for (i = 3; i < ctx->argc; i++) {
+ set_column(table, row, ctx->argv[i], ctx->symtab);
+ }
+}
+
+static void
+pre_cmd_add(struct vsctl_context *ctx)
+{
+ const char *table_name = ctx->argv[1];
+ const char *column_name = ctx->argv[3];
+ const struct vsctl_table_class *table;
+ const struct ovsdb_idl_column *column;
+
+ table = pre_get_table(ctx, table_name);
+ pre_get_column(ctx, table, column_name, &column);
+}
+
+static void
+cmd_add(struct vsctl_context *ctx)
+{
+ const char *table_name = ctx->argv[1];
+ const char *record_id = ctx->argv[2];
+ const char *column_name = ctx->argv[3];
+ const struct vsctl_table_class *table;
+ const struct ovsdb_idl_column *column;
+ const struct ovsdb_idl_row *row;
+ const struct ovsdb_type *type;
+ struct ovsdb_datum old;
+ int i;
+
+ table = get_table(table_name);
+ row = must_get_row(ctx, table, record_id);
+ die_if_error(get_column(table, column_name, &column));
+
+ type = &column->type;
+ ovsdb_datum_clone(&old, ovsdb_idl_read(row, column), &column->type);
+ for (i = 4; i < ctx->argc; i++) {
+ struct ovsdb_type add_type;
+ struct ovsdb_datum add;
+
+ add_type = *type;
+ add_type.n_min = 1;
+ add_type.n_max = UINT_MAX;
+ die_if_error(ovsdb_datum_from_string(&add, &add_type, ctx->argv[i],
+ ctx->symtab));
+ ovsdb_datum_union(&old, &add, type, false);
+ ovsdb_datum_destroy(&add, type);
+ }
+ if (old.n > type->n_max) {
+ vsctl_fatal("\"add\" operation would put %u %s in column %s of "
+ "table %s but the maximum number is %u",
+ old.n,
+ type->value.type == OVSDB_TYPE_VOID ? "values" : "pairs",
+ column->name, table->class->name, type->n_max);
+ }
+ ovsdb_idl_txn_verify(row, column);
+ ovsdb_idl_txn_write(row, column, &old);
+}
+
+static void
+pre_cmd_remove(struct vsctl_context *ctx)
+{
+ const char *table_name = ctx->argv[1];
+ const char *column_name = ctx->argv[3];
+ const struct vsctl_table_class *table;
+ const struct ovsdb_idl_column *column;
+
+ table = pre_get_table(ctx, table_name);
+ pre_get_column(ctx, table, column_name, &column);
+}
+
+static void
+cmd_remove(struct vsctl_context *ctx)
+{
+ const char *table_name = ctx->argv[1];
+ const char *record_id = ctx->argv[2];
+ const char *column_name = ctx->argv[3];
+ const struct vsctl_table_class *table;
+ const struct ovsdb_idl_column *column;
+ const struct ovsdb_idl_row *row;
+ const struct ovsdb_type *type;
+ struct ovsdb_datum old;
+ int i;
+
+ table = get_table(table_name);
+ row = must_get_row(ctx, table, record_id);
+ die_if_error(get_column(table, column_name, &column));
+
+ type = &column->type;
+ ovsdb_datum_clone(&old, ovsdb_idl_read(row, column), &column->type);
+ for (i = 4; i < ctx->argc; i++) {
+ struct ovsdb_type rm_type;
+ struct ovsdb_datum rm;
+ char *error;
+
+ rm_type = *type;
+ rm_type.n_min = 1;
+ rm_type.n_max = UINT_MAX;
+ error = ovsdb_datum_from_string(&rm, &rm_type,
+ ctx->argv[i], ctx->symtab);
+ if (error && ovsdb_type_is_map(&rm_type)) {
+ free(error);
+ rm_type.value.type = OVSDB_TYPE_VOID;
+ die_if_error(ovsdb_datum_from_string(&rm, &rm_type,
+ ctx->argv[i], ctx->symtab));
+ }
+ ovsdb_datum_subtract(&old, type, &rm, &rm_type);
+ ovsdb_datum_destroy(&rm, &rm_type);
+ }
+ if (old.n < type->n_min) {
+ vsctl_fatal("\"remove\" operation would put %u %s in column %s of "
+ "table %s but the minimum number is %u",
+ old.n,
+ type->value.type == OVSDB_TYPE_VOID ? "values" : "pairs",
+ column->name, table->class->name, type->n_min);
+ }
+ ovsdb_idl_txn_verify(row, column);
+ ovsdb_idl_txn_write(row, column, &old);
+}
+
+static void
+pre_cmd_clear(struct vsctl_context *ctx)
+{
+ const char *table_name = ctx->argv[1];
+ const struct vsctl_table_class *table;
+ int i;
+
+ table = pre_get_table(ctx, table_name);
+ for (i = 3; i < ctx->argc; i++) {
+ const struct ovsdb_idl_column *column;
+
+ pre_get_column(ctx, table, ctx->argv[i], &column);
+ }
+}
+
+static void
+cmd_clear(struct vsctl_context *ctx)
+{
+ const char *table_name = ctx->argv[1];
+ const char *record_id = ctx->argv[2];
+ const struct vsctl_table_class *table;
+ const struct ovsdb_idl_row *row;
+ int i;
+
+ table = get_table(table_name);
+ row = must_get_row(ctx, table, record_id);
+ for (i = 3; i < ctx->argc; i++) {
+ const struct ovsdb_idl_column *column;
+ const struct ovsdb_type *type;
+ struct ovsdb_datum datum;
+
+ die_if_error(get_column(table, ctx->argv[i], &column));
+
+ type = &column->type;
+ if (type->n_min > 0) {
+ vsctl_fatal("\"clear\" operation cannot be applied to column %s "
+ "of table %s, which is not allowed to be empty",
+ column->name, table->class->name);
+ }
+
+ ovsdb_datum_init_empty(&datum);
+ ovsdb_idl_txn_write(row, column, &datum);
+ }
+}
+
+static void
+pre_create(struct vsctl_context *ctx)
+{
+ const char *id = shash_find_data(&ctx->options, "--id");
+ const char *table_name = ctx->argv[1];
+ const struct vsctl_table_class *table;
+
+ table = get_table(table_name);
+ if (!id && !table->class->is_root) {
+ VLOG_WARN("applying \"create\" command to table %s without --id "
+ "option will have no effect", table->class->name);
+ }
+}
+
+static void
+cmd_create(struct vsctl_context *ctx)
+{
+ const char *id = shash_find_data(&ctx->options, "--id");
+ const char *table_name = ctx->argv[1];
+ const struct vsctl_table_class *table = get_table(table_name);
+ const struct ovsdb_idl_row *row;
+ const struct uuid *uuid;
+ int i;
+
+ if (id) {
+ struct ovsdb_symbol *symbol = create_symbol(ctx->symtab, id, NULL);
+ if (table->class->is_root) {
+ /* This table is in the root set, meaning that rows created in it
+ * won't disappear even if they are unreferenced, so disable
+ * warnings about that by pretending that there is a reference. */
+ symbol->strong_ref = true;
+ }
+ uuid = &symbol->uuid;
+ } else {
+ uuid = NULL;
+ }
+
+ row = ovsdb_idl_txn_insert(ctx->txn, table->class, uuid);
+ for (i = 2; i < ctx->argc; i++) {
+ set_column(table, row, ctx->argv[i], ctx->symtab);
+ }
+ ds_put_format(&ctx->output, UUID_FMT, UUID_ARGS(&row->uuid));
+}
+
+/* This function may be used as the 'postprocess' function for commands that
+ * insert new rows into the database. It expects that the command's 'run'
+ * function prints the UUID reported by ovsdb_idl_txn_insert() as the command's
+ * sole output. It replaces that output by the row's permanent UUID assigned
+ * by the database server and appends a new-line.
+ *
+ * Currently we use this only for "create", because the higher-level commands
+ * are supposed to be independent of the actual structure of the vswitch
+ * configuration. */
+static void
+post_create(struct vsctl_context *ctx)
+{
+ const struct uuid *real;
+ struct uuid dummy;
+
+ if (!uuid_from_string(&dummy, ds_cstr(&ctx->output))) {
+ NOT_REACHED();
+ }
+ real = ovsdb_idl_txn_get_insert_uuid(ctx->txn, &dummy);
+ if (real) {
+ ds_clear(&ctx->output);
+ ds_put_format(&ctx->output, UUID_FMT, UUID_ARGS(real));
+ }
+ ds_put_char(&ctx->output, '\n');
+}
+
+static void
+pre_cmd_destroy(struct vsctl_context *ctx)
+{
+ const char *table_name = ctx->argv[1];
+
+ pre_get_table(ctx, table_name);
+}
+
+static void
+cmd_destroy(struct vsctl_context *ctx)
+{
+ bool must_exist = !shash_find(&ctx->options, "--if-exists");
+ const char *table_name = ctx->argv[1];
+ const struct vsctl_table_class *table;
+ int i;
+
+ table = get_table(table_name);
+ for (i = 2; i < ctx->argc; i++) {
+ const struct ovsdb_idl_row *row;
+
+ row = (must_exist ? must_get_row : get_row)(ctx, table, ctx->argv[i]);
+ if (row) {
+ ovsdb_idl_txn_delete(row);
+ }
+ }
+}
+
+static bool
+is_condition_satisfied(const struct vsctl_table_class *table,
+ const struct ovsdb_idl_row *row, const char *arg,
+ struct ovsdb_symbol_table *symtab)
+{
+ static const char *operators[] = {
+ "=", "!=", "<", ">", "<=", ">="
+ };
+
+ const struct ovsdb_idl_column *column;
+ const struct ovsdb_datum *have_datum;
+ char *key_string, *value_string;
+ const char *operator;
+ unsigned int idx;
+ char *error;
+ int cmp = 0;
+
+ error = parse_column_key_value(arg, table, &column, &key_string,
+ &operator, operators, ARRAY_SIZE(operators),
+ &value_string);
+ die_if_error(error);
+ if (!value_string) {
+ vsctl_fatal("%s: missing value", arg);
+ }
+
+ have_datum = ovsdb_idl_read(row, column);
+ if (key_string) {
+ union ovsdb_atom want_key, want_value;
+
+ if (column->type.value.type == OVSDB_TYPE_VOID) {
+ vsctl_fatal("cannot specify key to check for non-map column %s",
+ column->name);
+ }
+
+ die_if_error(ovsdb_atom_from_string(&want_key, &column->type.key,
+ key_string, symtab));
+ die_if_error(ovsdb_atom_from_string(&want_value, &column->type.value,
+ value_string, symtab));
+
+ idx = ovsdb_datum_find_key(have_datum,
+ &want_key, column->type.key.type);
+ if (idx != UINT_MAX) {
+ cmp = ovsdb_atom_compare_3way(&have_datum->values[idx],
+ &want_value,
+ column->type.value.type);
+ }
+
+ ovsdb_atom_destroy(&want_key, column->type.key.type);
+ ovsdb_atom_destroy(&want_value, column->type.value.type);
+ } else {
+ struct ovsdb_datum want_datum;
+
+ die_if_error(ovsdb_datum_from_string(&want_datum, &column->type,
+ value_string, symtab));
+ idx = 0;
+ cmp = ovsdb_datum_compare_3way(have_datum, &want_datum,
+ &column->type);
+ ovsdb_datum_destroy(&want_datum, &column->type);
+ }
+
+ free(key_string);
+ free(value_string);
+
+ return (idx == UINT_MAX ? false
+ : !strcmp(operator, "=") ? cmp == 0
+ : !strcmp(operator, "!=") ? cmp != 0
+ : !strcmp(operator, "<") ? cmp < 0
+ : !strcmp(operator, ">") ? cmp > 0
+ : !strcmp(operator, "<=") ? cmp <= 0
+ : !strcmp(operator, ">=") ? cmp >= 0
+ : (abort(), 0));
+}
+
+static void
+pre_cmd_wait_until(struct vsctl_context *ctx)
+{
+ const char *table_name = ctx->argv[1];
+ const struct vsctl_table_class *table;
+ int i;
+
+ table = pre_get_table(ctx, table_name);
+
+ for (i = 3; i < ctx->argc; i++) {
+ pre_parse_column_key_value(ctx, ctx->argv[i], table);
+ }
+}
+
+static void
+cmd_wait_until(struct vsctl_context *ctx)
+{
+ const char *table_name = ctx->argv[1];
+ const char *record_id = ctx->argv[2];
+ const struct vsctl_table_class *table;
+ const struct ovsdb_idl_row *row;
+ int i;
+
+ table = get_table(table_name);
+
+ row = get_row(ctx, table, record_id);
+ if (!row) {
+ ctx->try_again = true;
+ return;
+ }
+
+ for (i = 3; i < ctx->argc; i++) {
+ if (!is_condition_satisfied(table, row, ctx->argv[i], ctx->symtab)) {
+ ctx->try_again = true;
+ return;
+ }
+ }
+}
+\f
+static struct json *
+where_uuid_equals(const struct uuid *uuid)
+{
+ return
+ json_array_create_1(
+ json_array_create_3(
+ json_string_create("_uuid"),
+ json_string_create("=="),
+ json_array_create_2(
+ json_string_create("uuid"),
+ json_string_create_nocopy(
+ xasprintf(UUID_FMT, UUID_ARGS(uuid))))));
+}
+
+static void
+vsctl_context_init(struct vsctl_context *ctx, struct vsctl_command *command,
+ struct ovsdb_idl *idl, struct ovsdb_idl_txn *txn,
+ const struct ovsrec_open_vswitch *ovs,
+ struct ovsdb_symbol_table *symtab)
+{
+ ctx->argc = command->argc;
+ ctx->argv = command->argv;
+ ctx->options = command->options;
+
+ ds_swap(&ctx->output, &command->output);
+ ctx->table = command->table;
+ ctx->idl = idl;
+ ctx->txn = txn;
+ ctx->ovs = ovs;
+ ctx->symtab = symtab;
+ ctx->verified_ports = false;
+
+ ctx->try_again = false;
+}
+
+static void
+vsctl_context_done(struct vsctl_context *ctx, struct vsctl_command *command)
+{
+ ds_swap(&ctx->output, &command->output);
+ command->table = ctx->table;
+}
+
+static void
+run_prerequisites(struct vsctl_command *commands, size_t n_commands,
+ struct ovsdb_idl *idl)
+{
+ struct vsctl_command *c;
+
+ ovsdb_idl_add_table(idl, &ovsrec_table_open_vswitch);
+ if (wait_for_reload) {
+ ovsdb_idl_add_column(idl, &ovsrec_open_vswitch_col_cur_cfg);
+ }
+ for (c = commands; c < &commands[n_commands]; c++) {
+ if (c->syntax->prerequisites) {
+ struct vsctl_context ctx;
+
+ ds_init(&c->output);
+ c->table = NULL;
+
+ vsctl_context_init(&ctx, c, idl, NULL, NULL, NULL);
+ (c->syntax->prerequisites)(&ctx);
+ vsctl_context_done(&ctx, c);
+
+ assert(!c->output.string);
+ assert(!c->table);
+ }
+ }
+}
+
+static void
+do_vsctl(const char *args, struct vsctl_command *commands, size_t n_commands,
+ struct ovsdb_idl *idl)
+{
+ struct ovsdb_idl_txn *txn;
+ const struct ovsrec_open_vswitch *ovs;
+ enum ovsdb_idl_txn_status status;
+ struct ovsdb_symbol_table *symtab;
+ struct vsctl_command *c;
+ struct shash_node *node;
+ int64_t next_cfg = 0;
+ char *error = NULL;
+
+ txn = the_idl_txn = ovsdb_idl_txn_create(idl);
+ if (dry_run) {
+ ovsdb_idl_txn_set_dry_run(txn);
+ }
+
+ ovsdb_idl_txn_add_comment(txn, "ovs-vsctl: %s", args);
+
+ ovs = ovsrec_open_vswitch_first(idl);
+ if (!ovs) {
+ /* XXX add verification that table is empty */
+ ovs = ovsrec_open_vswitch_insert(txn);
+ }
+
+ if (wait_for_reload) {
+ struct json *where = where_uuid_equals(&ovs->header_.uuid);
+ ovsdb_idl_txn_increment(txn, "Open_vSwitch", "next_cfg", where);
+ json_destroy(where);
+ }
+
+ symtab = ovsdb_symbol_table_create();
+ for (c = commands; c < &commands[n_commands]; c++) {
+ ds_init(&c->output);
+ c->table = NULL;
+ }
+ for (c = commands; c < &commands[n_commands]; c++) {
+ struct vsctl_context ctx;
+
+ vsctl_context_init(&ctx, c, idl, txn, ovs, symtab);
+ (c->syntax->run)(&ctx);
+ vsctl_context_done(&ctx, c);
+
+ if (ctx.try_again) {
+ goto try_again;
+ }
+ }
+
+ SHASH_FOR_EACH (node, &symtab->sh) {
+ struct ovsdb_symbol *symbol = node->data;
+ if (!symbol->created) {
+ vsctl_fatal("row id \"%s\" is referenced but never created (e.g. "
+ "with \"-- --id=%s create ...\")",
+ node->name, node->name);
+ }
+ if (!symbol->strong_ref) {
+ if (!symbol->weak_ref) {
+ VLOG_WARN("row id \"%s\" was created but no reference to it "
+ "was inserted, so it will not actually appear in "
+ "the database", node->name);
+ } else {
+ VLOG_WARN("row id \"%s\" was created but only a weak "
+ "reference to it was inserted, so it will not "
+ "actually appear in the database", node->name);
+ }
+ }
+ }
+
+ status = ovsdb_idl_txn_commit_block(txn);
+ if (wait_for_reload && status == TXN_SUCCESS) {
+ next_cfg = ovsdb_idl_txn_get_increment_new_value(txn);
+ }
+ if (status == TXN_UNCHANGED || status == TXN_SUCCESS) {
+ for (c = commands; c < &commands[n_commands]; c++) {
+ if (c->syntax->postprocess) {
+ struct vsctl_context ctx;
+
+ vsctl_context_init(&ctx, c, idl, txn, ovs, symtab);
+ (c->syntax->postprocess)(&ctx);
+ vsctl_context_done(&ctx, c);
+ }
+ }
+ }
+ error = xstrdup(ovsdb_idl_txn_get_error(txn));
+ ovsdb_idl_txn_destroy(txn);
+ txn = the_idl_txn = NULL;
+
+ switch (status) {
+ case TXN_INCOMPLETE:
+ NOT_REACHED();
+
+ case TXN_ABORTED:
+ /* Should not happen--we never call ovsdb_idl_txn_abort(). */
+ vsctl_fatal("transaction aborted");
+
+ case TXN_UNCHANGED:
+ case TXN_SUCCESS:
+ break;
+
+ case TXN_TRY_AGAIN:
+ goto try_again;
+
+ case TXN_ERROR:
+ vsctl_fatal("transaction error: %s", error);
+
+ default:
+ NOT_REACHED();
+ }
+ free(error);
+
+ ovsdb_symbol_table_destroy(symtab);
+
+ for (c = commands; c < &commands[n_commands]; c++) {
+ struct ds *ds = &c->output;
+
+ if (c->table) {
+ table_print(c->table, &table_style);
+ } else if (oneline) {
+ size_t j;
+
+ ds_chomp(ds, '\n');
+ for (j = 0; j < ds->length; j++) {
+ int ch = ds->string[j];
+ switch (ch) {
+ case '\n':
+ fputs("\\n", stdout);
+ break;
+
+ case '\\':
+ fputs("\\\\", stdout);
+ break;
+
+ default:
+ putchar(ch);
+ }
+ }
+ putchar('\n');
+ } else {
+ fputs(ds_cstr(ds), stdout);
+ }
+ ds_destroy(&c->output);
+ table_destroy(c->table);
+ free(c->table);
+
+ smap_destroy(&c->options);
+ }
+ free(commands);
+
+ if (wait_for_reload && status != TXN_UNCHANGED) {
+ for (;;) {
+ ovsdb_idl_run(idl);
+ OVSREC_OPEN_VSWITCH_FOR_EACH (ovs, idl) {
+ if (ovs->cur_cfg >= next_cfg) {
+ goto done;
+ }
+ }
+ ovsdb_idl_wait(idl);
+ poll_block();
+ }
+ done: ;
+ }
+ ovsdb_idl_destroy(idl);
+
+ exit(EXIT_SUCCESS);
+
+try_again:
+ /* Our transaction needs to be rerun, or a prerequisite was not met. Free
+ * resources and return so that the caller can try again. */
+ if (txn) {
+ ovsdb_idl_txn_abort(txn);
+ ovsdb_idl_txn_destroy(txn);
+ }
+ ovsdb_symbol_table_destroy(symtab);
+ for (c = commands; c < &commands[n_commands]; c++) {
+ ds_destroy(&c->output);
+ table_destroy(c->table);
+ free(c->table);
+ }
+ free(error);
+}
+
+static const struct vsctl_command_syntax all_commands[] = {
+ /* Open vSwitch commands. */
+ {"init", 0, 0, NULL, cmd_init, NULL, "", RW},
+
+ /* Bridge commands. */
+ {"add-br", 1, 3, pre_get_info, cmd_add_br, NULL, "--may-exist", RW},
+ {"del-br", 1, 1, pre_get_info, cmd_del_br, NULL, "--if-exists", RW},
+ {"list-br", 0, 0, pre_get_info, cmd_list_br, NULL, "", RO},
+ {"br-exists", 1, 1, pre_get_info, cmd_br_exists, NULL, "", RO},
+ {"br-to-vlan", 1, 1, pre_get_info, cmd_br_to_vlan, NULL, "", RO},
+ {"br-to-parent", 1, 1, pre_get_info, cmd_br_to_parent, NULL, "", RO},
+ {"br-set-external-id", 2, 3, pre_cmd_br_set_external_id,
+ cmd_br_set_external_id, NULL, "", RW},
+ {"br-get-external-id", 1, 2, pre_cmd_br_get_external_id,
+ cmd_br_get_external_id, NULL, "", RO},
+
+ /* Port commands. */
+ {"list-ports", 1, 1, pre_get_info, cmd_list_ports, NULL, "", RO},
+ {"add-port", 2, INT_MAX, pre_get_info, cmd_add_port, NULL, "--may-exist",
+ RW},
+ {"add-bond", 4, INT_MAX, pre_get_info, cmd_add_bond, NULL,
+ "--may-exist,--fake-iface", RW},
+ {"del-port", 1, 2, pre_get_info, cmd_del_port, NULL,
+ "--if-exists,--with-iface", RW},
+ {"port-to-br", 1, 1, pre_get_info, cmd_port_to_br, NULL, "", RO},
+
+ /* Interface commands. */
+ {"list-ifaces", 1, 1, pre_get_info, cmd_list_ifaces, NULL, "", RO},
+ {"iface-to-br", 1, 1, pre_get_info, cmd_iface_to_br, NULL, "", RO},
+
+ /* Controller commands. */
+ {"get-controller", 1, 1, pre_controller, cmd_get_controller, NULL, "", RO},
+ {"del-controller", 1, 1, pre_controller, cmd_del_controller, NULL, "", RW},
+ {"set-controller", 1, INT_MAX, pre_controller, cmd_set_controller, NULL,
+ "", RW},
+ {"get-fail-mode", 1, 1, pre_get_info, cmd_get_fail_mode, NULL, "", RO},
+ {"del-fail-mode", 1, 1, pre_get_info, cmd_del_fail_mode, NULL, "", RW},
+ {"set-fail-mode", 2, 2, pre_get_info, cmd_set_fail_mode, NULL, "", RW},
+
+ /* Manager commands. */
+ {"get-manager", 0, 0, pre_manager, cmd_get_manager, NULL, "", RO},
+ {"del-manager", 0, INT_MAX, pre_manager, cmd_del_manager, NULL, "", RW},
+ {"set-manager", 1, INT_MAX, pre_manager, cmd_set_manager, NULL, "", RW},
+
+ /* SSL commands. */
+ {"get-ssl", 0, 0, pre_cmd_get_ssl, cmd_get_ssl, NULL, "", RO},
+ {"del-ssl", 0, 0, pre_cmd_del_ssl, cmd_del_ssl, NULL, "", RW},
+ {"set-ssl", 3, 3, pre_cmd_set_ssl, cmd_set_ssl, NULL, "--bootstrap", RW},
+
+ /* Switch commands. */
+ {"emer-reset", 0, 0, pre_cmd_emer_reset, cmd_emer_reset, NULL, "", RW},
+
+ /* Parameter commands. */
+ {"get", 2, INT_MAX, pre_cmd_get, cmd_get, NULL, "--if-exists,--id=", RO},
+ {"list", 1, INT_MAX, pre_cmd_list, cmd_list, NULL, "--columns=", RO},
+ {"find", 1, INT_MAX, pre_cmd_find, cmd_find, NULL, "--columns=", RO},
+ {"set", 3, INT_MAX, pre_cmd_set, cmd_set, NULL, "", RW},
+ {"add", 4, INT_MAX, pre_cmd_add, cmd_add, NULL, "", RW},
+ {"remove", 4, INT_MAX, pre_cmd_remove, cmd_remove, NULL, "", RW},
+ {"clear", 3, INT_MAX, pre_cmd_clear, cmd_clear, NULL, "", RW},
+ {"create", 2, INT_MAX, pre_create, cmd_create, post_create, "--id=", RW},
+ {"destroy", 1, INT_MAX, pre_cmd_destroy, cmd_destroy, NULL, "--if-exists",
+ RW},
+ {"wait-until", 2, INT_MAX, pre_cmd_wait_until, cmd_wait_until, NULL, "",
+ RO},
+
+ {NULL, 0, 0, NULL, NULL, NULL, NULL, RO},
+};
+