+static void
+do_transact(int argc UNUSED, char *argv[])
+{
+ struct jsonrpc_msg *request, *reply;
+ struct json *transaction;
+ struct jsonrpc *rpc;
+ int error;
+
+ transaction = parse_json(argv[2]);
+
+ rpc = open_jsonrpc(argv[1]);
+ request = jsonrpc_create_request("transact", transaction, NULL);
+ error = jsonrpc_transact_block(rpc, request, &reply);
+ if (error) {
+ ovs_fatal(error, "transaction failed");
+ }
+ if (reply->error) {
+ ovs_fatal(error, "transaction returned error: %s",
+ json_to_string(reply->error, json_flags));
+ }
+ print_json(reply->result);
+ putchar('\n');
+ jsonrpc_msg_destroy(reply);
+ jsonrpc_close(rpc);
+}
+
+static void
+monitor_print_row(struct json *row, const char *type, const char *uuid,
+ const struct ovsdb_column_set *columns, struct table *t)
+{
+ size_t i;
+
+ if (!row) {
+ ovs_error(0, "missing %s row", type);
+ return;
+ } else if (row->type != JSON_OBJECT) {
+ ovs_error(0, "<row> is not object");
+ return;
+ }
+
+ table_add_row(t);
+ table_add_cell(t, uuid);
+ table_add_cell(t, type);
+ for (i = 0; i < columns->n_columns; i++) {
+ const struct ovsdb_column *column = columns->columns[i];
+ struct json *value = shash_find_data(json_object(row), column->name);
+ if (value) {
+ table_add_cell_nocopy(t, json_to_string(value, JSSF_SORT));
+ } else {
+ table_add_cell(t, "");
+ }
+ }
+}
+
+static void
+monitor_print(struct json *table_updates,
+ const struct ovsdb_table_schema *table,
+ const struct ovsdb_column_set *columns, bool initial)
+{
+ struct json *table_update;
+ struct shash_node *node;
+ struct table t;
+ size_t i;
+
+ table_init(&t);
+
+ if (table_updates->type != JSON_OBJECT) {
+ ovs_error(0, "<table-updates> is not object");
+ return;
+ }
+ table_update = shash_find_data(json_object(table_updates), table->name);
+ if (!table_update) {
+ return;
+ }
+ if (table_update->type != JSON_OBJECT) {
+ ovs_error(0, "<table-update> is not object");
+ return;
+ }
+
+ table_add_column(&t, "row");
+ table_add_column(&t, "action");
+ for (i = 0; i < columns->n_columns; i++) {
+ table_add_column(&t, "%s", columns->columns[i]->name);
+ }
+ SHASH_FOR_EACH (node, json_object(table_update)) {
+ struct json *row_update = node->data;
+ struct json *old, *new;
+
+ if (row_update->type != JSON_OBJECT) {
+ ovs_error(0, "<row-update> is not object");
+ continue;
+ }
+ old = shash_find_data(json_object(row_update), "old");
+ new = shash_find_data(json_object(row_update), "new");
+ if (initial) {
+ monitor_print_row(new, "initial", node->name, columns, &t);
+ } else if (!old) {
+ monitor_print_row(new, "insert", node->name, columns, &t);
+ } else if (!new) {
+ monitor_print_row(old, "delete", node->name, columns, &t);
+ } else {
+ monitor_print_row(old, "old", node->name, columns, &t);
+ monitor_print_row(new, "new", "", columns, &t);
+ }
+ }
+ table_print(&t);
+ table_destroy(&t);
+}
+
+static void
+do_monitor(int argc, char *argv[])
+{
+ struct ovsdb_column_set columns = OVSDB_COLUMN_SET_INITIALIZER;
+ struct ovsdb_table_schema *table;
+ struct ovsdb_schema *schema;
+ struct jsonrpc_msg *request;
+ struct jsonrpc *rpc;
+ struct json *select, *monitor, *monitor_request, *monitor_requests,
+ *request_id;
+
+ rpc = open_jsonrpc(argv[1]);
+
+ schema = fetch_schema_from_rpc(rpc);
+ table = shash_find_data(&schema->tables, argv[2]);
+ if (!table) {
+ ovs_fatal(0, "%s: no table named \"%s\"", argv[1], argv[2]);
+ }
+
+ if (argc >= 4 && *argv[3] != '\0') {
+ char *save_ptr = NULL;
+ char *token;
+
+ for (token = strtok_r(argv[3], ",", &save_ptr); token != NULL;
+ token = strtok_r(NULL, ",", &save_ptr)) {
+ const struct ovsdb_column *column;
+ column = ovsdb_table_schema_get_column(table, token);
+ if (!column) {
+ ovs_fatal(0, "%s: table \"%s\" does not have a "
+ "column named \"%s\"", argv[1], argv[2], token);
+ }
+ ovsdb_column_set_add(&columns, column);
+ }
+ } else {
+ struct shash_node *node;
+
+ SHASH_FOR_EACH (node, &table->columns) {
+ const struct ovsdb_column *column = node->data;
+ if (column->index != OVSDB_COL_UUID) {
+ ovsdb_column_set_add(&columns, column);
+ }
+ }
+ }
+
+ if (argc >= 5 && *argv[4] != '\0') {
+ char *save_ptr = NULL;
+ char *token;
+
+ select = json_object_create();
+ for (token = strtok_r(argv[4], ",", &save_ptr); token != NULL;
+ token = strtok_r(NULL, ",", &save_ptr)) {
+ json_object_put(select, token, json_boolean_create(true));
+ }
+ } else {
+ select = NULL;
+ }
+
+ monitor_request = json_object_create();
+ json_object_put(monitor_request,
+ "columns", ovsdb_column_set_to_json(&columns));
+ if (select) {
+ json_object_put(monitor_request, "select", select);
+ }
+
+ monitor_requests = json_object_create();
+ json_object_put(monitor_requests, argv[2], monitor_request);
+
+ monitor = json_array_create_2(json_null_create(), monitor_requests);
+ request = jsonrpc_create_request("monitor", monitor, NULL);
+ request_id = json_clone(request->id);
+ jsonrpc_send(rpc, request);
+ for (;;) {
+ struct jsonrpc_msg *msg;
+ int error;
+
+ error = jsonrpc_recv_block(rpc, &msg);
+ if (error) {
+ ovs_fatal(error, "%s: receive failed", argv[1]);
+ }
+
+ if (msg->type == JSONRPC_REQUEST && !strcmp(msg->method, "echo")) {
+ jsonrpc_send(rpc, jsonrpc_create_reply(json_clone(msg->params),
+ msg->id));
+ } else if (msg->type == JSONRPC_REPLY
+ && json_equal(msg->id, request_id)) {
+ monitor_print(msg->result, table, &columns, true);
+ fflush(stdout);
+ if (get_detach()) {
+ /* daemonize() closes the standard file descriptors. We output
+ * to stdout, so we need to save and restore STDOUT_FILENO. */
+ int fd = dup(STDOUT_FILENO);
+ daemonize();
+ dup2(fd, STDOUT_FILENO);
+ close(fd);
+ }
+ } else if (msg->type == JSONRPC_NOTIFY
+ && !strcmp(msg->method, "update")) {
+ struct json *params = msg->params;
+ if (params->type == JSON_ARRAY
+ && params->u.array.n == 2
+ && params->u.array.elems[0]->type == JSON_NULL) {
+ monitor_print(params->u.array.elems[1],
+ table, &columns, false);
+ fflush(stdout);
+ }
+ }
+ }
+}
+