+ struct vsctl_info info;
+
+ get_info(ctx->ovs, &info);
+
+ if (ctx->argc == 1 || !strcmp(ctx->argv[1], "default")) {
+ print_controllers(ctx, info.ctrl, info.n_ctrl);
+ } else {
+ struct vsctl_bridge *br = find_bridge(&info, ctx->argv[1], true);
+ if (br->n_ctrl) {
+ print_controllers(ctx, br->ctrl, br->n_ctrl);
+ } else {
+ print_controllers(ctx, info.ctrl, info.n_ctrl);
+ }
+ }
+
+ free_info(&info);
+}
+
+static void
+delete_controllers(struct ovsrec_controller **controllers,
+ size_t n_controllers)
+{
+ size_t i;
+
+ for (i = 0; i < n_controllers; i++) {
+ ovsrec_controller_delete(controllers[i]);
+ }
+}
+
+static void
+cmd_del_controller(struct vsctl_context *ctx)
+{
+ struct vsctl_info info;
+
+ get_info(ctx->ovs, &info);
+
+ if (ctx->argc == 1 || !strcmp(ctx->argv[1], "default")) {
+ if (info.n_ctrl) {
+ delete_controllers(info.ctrl, info.n_ctrl);
+ ovsrec_open_vswitch_set_controller(ctx->ovs, NULL, 0);
+ }
+ } else {
+ struct vsctl_bridge *br = find_real_bridge(&info, ctx->argv[1], true);
+ if (br->ctrl) {
+ delete_controllers(br->ctrl, br->n_ctrl);
+ ovsrec_bridge_set_controller(br->br_cfg, NULL, 0);
+ }
+ }
+
+ free_info(&info);
+}
+
+static struct ovsrec_controller **
+insert_controllers(struct ovsdb_idl_txn *txn, char *targets[], size_t n)
+{
+ struct ovsrec_controller **controllers;
+ size_t i;
+
+ controllers = xmalloc(n * sizeof *controllers);
+ for (i = 0; i < n; i++) {
+ controllers[i] = ovsrec_controller_insert(txn);
+ ovsrec_controller_set_target(controllers[i], targets[i]);
+ }
+
+ return controllers;
+}
+
+static void
+set_default_controllers(struct vsctl_context *ctx, char *targets[], size_t n)
+{
+ struct ovsrec_controller **controllers;
+
+ delete_controllers(ctx->ovs->controller, ctx->ovs->n_controller);
+
+ controllers = insert_controllers(ctx->txn, targets, n);
+ ovsrec_open_vswitch_set_controller(ctx->ovs, controllers, n);
+ free(controllers);
+}
+
+static void
+cmd_set_controller(struct vsctl_context *ctx)
+{
+ struct vsctl_info info;
+
+ get_info(ctx->ovs, &info);
+
+ if (ctx->argc == 2) {
+ /* Set one controller in the "Open_vSwitch" table. */
+ set_default_controllers(ctx, &ctx->argv[1], 1);
+ } else if (!strcmp(ctx->argv[1], "default")) {
+ /* Set one or more controllers in the "Open_vSwitch" table. */
+ set_default_controllers(ctx, &ctx->argv[2], ctx->argc - 2);
+ } else {
+ /* Set one or more controllers for a particular bridge. */
+ struct vsctl_bridge *br = find_real_bridge(&info, ctx->argv[1], true);
+ struct ovsrec_controller **controllers;
+ size_t n;
+
+ delete_controllers(br->ctrl, br->n_ctrl);
+
+ n = ctx->argc - 2;
+ controllers = insert_controllers(ctx->txn, &ctx->argv[2], n);
+ ovsrec_bridge_set_controller(br->br_cfg, controllers, n);
+ free(controllers);
+ }
+
+ free_info(&info);
+}
+
+static const char *
+get_fail_mode(struct ovsrec_controller **controllers, size_t n_controllers)
+{
+ const char *fail_mode;
+ size_t i;
+
+ fail_mode = NULL;
+ for (i = 0; i < n_controllers; i++) {
+ const char *s = controllers[i]->fail_mode;
+ if (s) {
+ if (!strcmp(s, "secure")) {
+ return s;
+ } else {
+ fail_mode = s;
+ }
+ }
+ }
+
+ return fail_mode;
+}
+
+static void
+cmd_get_fail_mode(struct vsctl_context *ctx)
+{
+ struct vsctl_info info;
+ const char *fail_mode = NULL;
+
+ get_info(ctx->ovs, &info);
+
+ if (ctx->argc == 1 || !strcmp(ctx->argv[1], "default")) {
+ /* Return the fail-mode from the "Open_vSwitch" table */
+ fail_mode = get_fail_mode(info.ctrl, info.n_ctrl);
+ } else {
+ /* Return the fail-mode for a particular bridge. */
+ struct vsctl_bridge *br = find_bridge(&info, ctx->argv[1], true);
+
+ /* If no controller is defined for the requested bridge, fallback to
+ * the "Open_vSwitch" table's controller. */
+ fail_mode = (br->n_ctrl
+ ? get_fail_mode(br->ctrl, br->n_ctrl)
+ : get_fail_mode(info.ctrl, info.n_ctrl));
+ }
+
+ if (fail_mode && strlen(fail_mode)) {
+ ds_put_format(&ctx->output, "%s\n", fail_mode);
+ }
+
+ free_info(&info);
+}
+
+static void
+set_fail_mode(struct ovsrec_controller **controllers, size_t n_controllers,
+ const char *fail_mode)
+{
+ size_t i;
+
+ for (i = 0; i < n_controllers; i++) {
+ ovsrec_controller_set_fail_mode(controllers[i], fail_mode);
+ }
+}
+
+static void
+cmd_del_fail_mode(struct vsctl_context *ctx)
+{
+ struct vsctl_info info;
+
+ get_info(ctx->ovs, &info);
+
+ if (ctx->argc == 1 || !strcmp(ctx->argv[1], "default")) {
+ set_fail_mode(info.ctrl, info.n_ctrl, NULL);
+ } else {
+ struct vsctl_bridge *br = find_real_bridge(&info, ctx->argv[1], true);
+
+ set_fail_mode(br->ctrl, br->n_ctrl, NULL);
+ }
+
+ free_info(&info);
+}
+
+static void
+cmd_set_fail_mode(struct vsctl_context *ctx)
+{
+ struct vsctl_info info;
+ const char *bridge;
+ const char *fail_mode;
+
+ get_info(ctx->ovs, &info);
+
+ if (ctx->argc == 2) {
+ bridge = "default";
+ fail_mode = ctx->argv[1];
+ } else {
+ bridge = ctx->argv[1];
+ fail_mode = ctx->argv[2];
+ }
+
+ if (strcmp(fail_mode, "standalone") && strcmp(fail_mode, "secure")) {
+ vsctl_fatal("fail-mode must be \"standalone\" or \"secure\"");
+ }
+
+ if (!strcmp(bridge, "default")) {
+ /* Set the fail-mode in the "Open_vSwitch" table. */
+ if (!info.ctrl) {
+ vsctl_fatal("no controller declared");
+ }
+ set_fail_mode(info.ctrl, info.n_ctrl, fail_mode);
+ } else {
+ struct vsctl_bridge *br = find_real_bridge(&info, bridge, true);
+
+ if (!br->ctrl) {
+ vsctl_fatal("no controller declared for %s", br->name);
+ }
+ set_fail_mode(br->ctrl, br->n_ctrl, fail_mode);
+ }
+
+ free_info(&info);
+}
+
+static void
+cmd_get_ssl(struct vsctl_context *ctx)
+{
+ struct ovsrec_ssl *ssl = ctx->ovs->ssl;
+
+ if (ssl) {
+ ds_put_format(&ctx->output, "Private key: %s\n", ssl->private_key);
+ ds_put_format(&ctx->output, "Certificate: %s\n", ssl->certificate);
+ ds_put_format(&ctx->output, "CA Certificate: %s\n", ssl->ca_cert);
+ ds_put_format(&ctx->output, "Bootstrap: %s\n",
+ ssl->bootstrap_ca_cert ? "true" : "false");
+ }
+}
+
+static void
+cmd_del_ssl(struct vsctl_context *ctx)
+{
+ struct ovsrec_ssl *ssl = ctx->ovs->ssl;
+
+ if (ssl) {
+ ovsrec_ssl_delete(ssl);
+ ovsrec_open_vswitch_set_ssl(ctx->ovs, NULL);
+ }
+}
+
+static void
+cmd_set_ssl(struct vsctl_context *ctx)
+{
+ bool bootstrap = shash_find(&ctx->options, "--bootstrap");
+ struct ovsrec_ssl *ssl = ctx->ovs->ssl;
+
+ 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_open_vswitch,
+ NULL,
+ &ovsrec_open_vswitch_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_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_ssl,
+ {{&ovsrec_table_open_vswitch, NULL, &ovsrec_open_vswitch_col_ssl}}},
+
+ {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 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;
+ unsigned int best_score = 0;
+
+ /* It might make sense to relax this assertion. */
+ assert(id->name_column->type.key.type == OVSDB_TYPE_STRING);
+
+ referrer = NULL;
+ for (row = ovsdb_idl_first_row(ctx->idl, id->table);
+ row != NULL && best_score != UINT_MAX;
+ row = ovsdb_idl_next_row(row))
+ {
+ struct ovsdb_datum name;
+
+ ovsdb_idl_txn_read(row, id->name_column, &name);
+ if (name.n == 1) {
+ unsigned int score = score_partial_match(name.keys[0].string,
+ record_id);
+ if (score > best_score) {
+ referrer = row;
+ best_score = score;
+ } else if (score == best_score) {
+ referrer = NULL;
+ }
+ }
+ ovsdb_datum_destroy(&name, &id->name_column->type);
+ }
+ if (best_score && !referrer) {
+ vsctl_fatal("multiple rows in %s match \"%s\"",
+ table->class->name, record_id);
+ }
+ }
+ if (!referrer) {
+ return NULL;
+ }
+
+ final = NULL;
+ if (id->uuid_column) {
+ struct ovsdb_datum uuid;
+
+ assert(id->uuid_column->type.key.type == OVSDB_TYPE_UUID);
+ assert(id->uuid_column->type.value.type == OVSDB_TYPE_VOID);
+
+ ovsdb_idl_txn_read(referrer, id->uuid_column, &uuid);
+ if (uuid.n == 1) {
+ final = ovsdb_idl_get_row_for_uuid(ctx->idl, table->class,
+ &uuid.keys[0].uuid);
+ }
+ ovsdb_datum_destroy(&uuid, &id->uuid_column->type);
+ } 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 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, char **valuep)
+{
+ const char *p = arg;
+ char *error;
+
+ assert(columnp || keyp);
+ if (keyp) {
+ *keyp = NULL;
+ }
+ if (valuep) {
+ *valuep = NULL;
+ }
+
+ /* Parse column name. */
+ if (columnp) {
+ char *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 == ':' || !columnp) {
+ if (columnp) {
+ p++;
+ } else if (!keyp) {
+ error = xasprintf("%s: key not accepted here", arg);
+ goto error;
+ }
+ error = ovsdb_token_parse(&p, keyp);
+ if (error) {
+ goto error;
+ }
+ } else if (keyp) {
+ *keyp = NULL;
+ }
+
+ /* Parse value string. */
+ if (*p == '=') {
+ if (!valuep) {
+ error = xasprintf("%s: value not accepted here", arg);
+ goto error;
+ }
+ *valuep = xstrdup(p + 1);
+ } else {
+ if (valuep) {
+ *valuep = NULL;
+ }
+ if (*p != '\0') {
+ error = xasprintf("%s: trailing garbage \"%s\" in argument",
+ arg, p);
+ goto error;
+ }
+ }
+ return NULL;
+
+error:
+ if (columnp) {
+ *columnp = NULL;
+ }
+ if (keyp) {
+ free(*keyp);
+ *keyp = NULL;
+ }
+ if (valuep) {
+ free(*valuep);
+ *valuep = NULL;
+ }
+ return error;
+}
+
+static void
+cmd_get(struct vsctl_context *ctx)
+{
+ 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);
+ for (i = 3; i < ctx->argc; i++) {
+ const struct ovsdb_idl_column *column;
+ struct ovsdb_datum datum;
+ char *key_string;
+
+ die_if_error(parse_column_key_value(ctx->argv[i], table,
+ &column, &key_string, NULL));
+
+ ovsdb_idl_txn_read(row, column, &datum);
+ 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));
+
+ 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');
+ ovsdb_datum_destroy(&datum, &column->type);
+
+ free(key_string);
+ }
+}
+
+static void
+list_record(const struct vsctl_table_class *table,
+ const struct ovsdb_idl_row *row, struct ds *out)
+{
+ size_t i;
+
+ ds_put_format(out, "%-20s: "UUID_FMT"\n", "_uuid",
+ UUID_ARGS(&row->uuid));
+ for (i = 0; i < table->class->n_columns; i++) {
+ const struct ovsdb_idl_column *column = &table->class->columns[i];
+ struct ovsdb_datum datum;
+
+ ovsdb_idl_txn_read(row, column, &datum);
+
+ ds_put_format(out, "%-20s: ", column->name);
+ ovsdb_datum_to_string(&datum, &column->type, out);
+ ds_put_char(out, '\n');
+
+ ovsdb_datum_destroy(&datum, &column->type);
+ }
+}
+
+static void
+cmd_list(struct vsctl_context *ctx)
+{
+ const char *table_name = ctx->argv[1];
+ const struct vsctl_table_class *table;
+ struct ds *out = &ctx->output;
+ int i;
+
+ table = get_table(table_name);
+ if (ctx->argc > 2) {
+ for (i = 2; i < ctx->argc; i++) {
+ if (i > 2) {
+ ds_put_char(out, '\n');
+ }
+ list_record(table, must_get_row(ctx, table, ctx->argv[i]), 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) {
+ if (!first) {
+ ds_put_char(out, '\n');
+ }
+ list_record(table, row, out);
+ }
+ }
+}
+
+static void
+set_column(const struct vsctl_table_class *table,
+ const struct ovsdb_idl_row *row, const char *arg)
+{
+ const struct ovsdb_idl_column *column;
+ char *key_string, *value_string;
+ char *error;
+
+ error = parse_column_key_value(arg, table, &column, &key_string,
+ &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 old, new;
+
+ 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));
+ die_if_error(ovsdb_atom_from_string(&value, &column->type.value,
+ value_string));
+
+ ovsdb_datum_init_empty(&new);
+ ovsdb_datum_add_unsafe(&new, &key, &value, &column->type);
+
+ ovsdb_atom_destroy(&key, column->type.key.type);
+ ovsdb_atom_destroy(&value, column->type.value.type);
+
+ ovsdb_idl_txn_read(row, column, &old);
+ ovsdb_datum_union(&old, &new, &column->type, true);
+ ovsdb_idl_txn_write(row, column, &old);
+
+ ovsdb_datum_destroy(&new, &column->type);
+ } else {
+ struct ovsdb_datum datum;
+
+ die_if_error(ovsdb_datum_from_string(&datum, &column->type,
+ value_string));
+ 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]);
+ }
+}
+
+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_idl_txn_read(row, column, &old);
+ 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]));
+ 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_write(row, column, &old);
+}
+
+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_idl_txn_read(row, column, &old);
+ 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]);
+ 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]));
+ }
+ 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 minimun number is %u",
+ old.n,
+ type->value.type == OVSDB_TYPE_VOID ? "values" : "pairs",
+ column->name, table->class->name, type->n_min);
+ }
+ ovsdb_idl_txn_write(row, column, &old);
+}
+
+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
+cmd_create(struct vsctl_context *ctx)
+{
+ const char *table_name = ctx->argv[1];
+ const struct vsctl_table_class *table;
+ const struct ovsdb_idl_row *row;
+ int i;
+
+ table = get_table(table_name);
+ row = ovsdb_idl_txn_insert(ctx->txn, table->class);
+ for (i = 2; i < ctx->argc; i++) {
+ set_column(table, row, ctx->argv[i]);
+ }
+ 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;
+
+ uuid_from_string(&dummy, ds_cstr(&ctx->output));
+ 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
+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);
+ }
+ }
+}
+\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)
+{
+ ctx->argc = command->argc;
+ ctx->argv = command->argv;
+ ctx->options = command->options;
+
+ ds_swap(&ctx->output, &command->output);
+ ctx->idl = idl;
+ ctx->txn = txn;
+ ctx->ovs = ovs;
+
+}
+
+static void
+vsctl_context_done(struct vsctl_context *ctx, struct vsctl_command *command)
+{
+ ds_swap(&ctx->output, &command->output);
+}
+
+static void
+do_vsctl(const char *args, struct vsctl_command *commands, size_t n_commands,
+ struct ovsdb_idl *idl)
+{
+ struct ovsdb_idl_txn *txn;