1 /* Copyright (c) 2009, 2010 Nicira Networks.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at:
7 * http://www.apache.org/licenses/LICENSE-2.0
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
18 #include "ovsdb-idl.h"
27 #include "dynamic-string.h"
30 #include "ovsdb-data.h"
31 #include "ovsdb-error.h"
32 #include "ovsdb-idl-provider.h"
33 #include "poll-loop.h"
37 #define THIS_MODULE VLM_ovsdb_idl
40 /* An arc from one idl_row to another. When row A contains a UUID that
41 * references row B, this is represented by an arc from A (the source) to B
44 * Arcs from a row to itself are omitted, that is, src and dst are always
47 * Arcs are never duplicated, that is, even if there are multiple references
48 * from A to B, there is only a single arc from A to B.
50 * Arcs are directed: an arc from A to B is the converse of an an arc from B to
51 * A. Both an arc and its converse may both be present, if each row refers
52 * to the other circularly.
54 * The source and destination row may be in the same table or in different
57 struct ovsdb_idl_arc {
58 struct list src_node; /* In src->src_arcs list. */
59 struct list dst_node; /* In dst->dst_arcs list. */
60 struct ovsdb_idl_row *src; /* Source row. */
61 struct ovsdb_idl_row *dst; /* Destination row. */
65 const struct ovsdb_idl_class *class;
66 struct jsonrpc_session *session;
67 struct shash table_by_name;
68 struct ovsdb_idl_table *tables;
69 struct json *monitor_request_id;
70 unsigned int last_monitor_request_seqno;
71 unsigned int change_seqno;
73 /* Transaction support. */
74 struct ovsdb_idl_txn *txn;
75 struct hmap outstanding_txns;
78 struct ovsdb_idl_txn {
79 struct hmap_node hmap_node;
80 struct json *request_id;
81 struct ovsdb_idl *idl;
83 enum ovsdb_idl_txn_status status;
91 struct json *inc_where;
92 unsigned int inc_index;
93 int64_t inc_new_value;
96 struct hmap inserted_rows;
99 struct ovsdb_idl_txn_insert {
100 struct hmap_node hmap_node; /* In struct ovsdb_idl_txn's inserted_rows. */
101 struct uuid dummy; /* Dummy UUID used locally. */
102 int op_index; /* Index into transaction's operation array. */
103 struct uuid real; /* Real UUID used by database server. */
106 static struct vlog_rate_limit syntax_rl = VLOG_RATE_LIMIT_INIT(1, 5);
107 static struct vlog_rate_limit semantic_rl = VLOG_RATE_LIMIT_INIT(1, 5);
109 static void ovsdb_idl_clear(struct ovsdb_idl *);
110 static void ovsdb_idl_send_monitor_request(struct ovsdb_idl *);
111 static void ovsdb_idl_parse_update(struct ovsdb_idl *, const struct json *);
112 static struct ovsdb_error *ovsdb_idl_parse_update__(struct ovsdb_idl *,
113 const struct json *);
114 static void ovsdb_idl_process_update(struct ovsdb_idl_table *,
116 const struct json *old,
117 const struct json *new);
118 static void ovsdb_idl_insert_row(struct ovsdb_idl_row *, const struct json *);
119 static void ovsdb_idl_delete_row(struct ovsdb_idl_row *);
120 static void ovsdb_idl_modify_row(struct ovsdb_idl_row *, const struct json *);
122 static bool ovsdb_idl_row_is_orphan(const struct ovsdb_idl_row *);
123 static struct ovsdb_idl_row *ovsdb_idl_row_create__(
124 const struct ovsdb_idl_table_class *);
125 static struct ovsdb_idl_row *ovsdb_idl_row_create(struct ovsdb_idl_table *,
126 const struct uuid *);
127 static void ovsdb_idl_row_destroy(struct ovsdb_idl_row *);
129 static void ovsdb_idl_row_parse(struct ovsdb_idl_row *);
130 static void ovsdb_idl_row_unparse(struct ovsdb_idl_row *);
131 static void ovsdb_idl_row_clear_old(struct ovsdb_idl_row *);
132 static void ovsdb_idl_row_clear_new(struct ovsdb_idl_row *);
134 static void ovsdb_idl_txn_abort_all(struct ovsdb_idl *);
135 static bool ovsdb_idl_txn_process_reply(struct ovsdb_idl *,
136 const struct jsonrpc_msg *msg);
139 ovsdb_idl_create(const char *remote, const struct ovsdb_idl_class *class)
141 struct ovsdb_idl *idl;
144 idl = xzalloc(sizeof *idl);
146 idl->session = jsonrpc_session_open(remote);
147 shash_init(&idl->table_by_name);
148 idl->tables = xmalloc(class->n_tables * sizeof *idl->tables);
149 for (i = 0; i < class->n_tables; i++) {
150 const struct ovsdb_idl_table_class *tc = &class->tables[i];
151 struct ovsdb_idl_table *table = &idl->tables[i];
154 assert(!shash_find(&idl->table_by_name, tc->name));
155 shash_add(&idl->table_by_name, tc->name, table);
157 shash_init(&table->columns);
158 for (j = 0; j < tc->n_columns; j++) {
159 const struct ovsdb_idl_column *column = &tc->columns[j];
161 assert(!shash_find(&table->columns, column->name));
162 shash_add(&table->columns, column->name, column);
164 hmap_init(&table->rows);
167 idl->last_monitor_request_seqno = UINT_MAX;
168 hmap_init(&idl->outstanding_txns);
174 ovsdb_idl_destroy(struct ovsdb_idl *idl)
180 ovsdb_idl_clear(idl);
181 jsonrpc_session_close(idl->session);
183 for (i = 0; i < idl->class->n_tables; i++) {
184 struct ovsdb_idl_table *table = &idl->tables[i];
185 shash_destroy(&table->columns);
186 hmap_destroy(&table->rows);
188 shash_destroy(&idl->table_by_name);
190 json_destroy(idl->monitor_request_id);
196 ovsdb_idl_clear(struct ovsdb_idl *idl)
198 bool changed = false;
201 for (i = 0; i < idl->class->n_tables; i++) {
202 struct ovsdb_idl_table *table = &idl->tables[i];
203 struct ovsdb_idl_row *row, *next_row;
205 if (hmap_is_empty(&table->rows)) {
210 HMAP_FOR_EACH_SAFE (row, next_row, struct ovsdb_idl_row, hmap_node,
212 struct ovsdb_idl_arc *arc, *next_arc;
214 if (!ovsdb_idl_row_is_orphan(row)) {
215 ovsdb_idl_row_unparse(row);
217 LIST_FOR_EACH_SAFE (arc, next_arc, struct ovsdb_idl_arc, src_node,
221 /* No need to do anything with dst_arcs: some node has those arcs
222 * as forward arcs and will destroy them itself. */
224 ovsdb_idl_row_destroy(row);
234 ovsdb_idl_run(struct ovsdb_idl *idl)
239 jsonrpc_session_run(idl->session);
240 for (i = 0; jsonrpc_session_is_connected(idl->session) && i < 50; i++) {
241 struct jsonrpc_msg *msg, *reply;
244 seqno = jsonrpc_session_get_seqno(idl->session);
245 if (idl->last_monitor_request_seqno != seqno) {
246 idl->last_monitor_request_seqno = seqno;
247 ovsdb_idl_txn_abort_all(idl);
248 ovsdb_idl_send_monitor_request(idl);
252 msg = jsonrpc_session_recv(idl->session);
258 if (msg->type == JSONRPC_NOTIFY
259 && !strcmp(msg->method, "update")
260 && msg->params->type == JSON_ARRAY
261 && msg->params->u.array.n == 2
262 && msg->params->u.array.elems[0]->type == JSON_NULL) {
263 ovsdb_idl_parse_update(idl, msg->params->u.array.elems[1]);
264 } else if (msg->type == JSONRPC_REPLY
265 && idl->monitor_request_id
266 && json_equal(idl->monitor_request_id, msg->id)) {
267 json_destroy(idl->monitor_request_id);
268 idl->monitor_request_id = NULL;
269 ovsdb_idl_clear(idl);
270 ovsdb_idl_parse_update(idl, msg->result);
271 } else if (msg->type == JSONRPC_REPLY
272 && msg->id && msg->id->type == JSON_STRING
273 && !strcmp(msg->id->u.string, "echo")) {
274 /* It's a reply to our echo request. Ignore it. */
275 } else if ((msg->type == JSONRPC_ERROR
276 || msg->type == JSONRPC_REPLY)
277 && ovsdb_idl_txn_process_reply(idl, msg)) {
278 /* ovsdb_idl_txn_process_reply() did everything needful. */
280 /* This can happen if ovsdb_idl_txn_destroy() is called to destroy
281 * a transaction before we receive the reply, so keep the log level
283 VLOG_DBG("%s: received unexpected %s message",
284 jsonrpc_session_get_name(idl->session),
285 jsonrpc_msg_type_to_string(msg->type));
288 jsonrpc_session_send(idl->session, reply);
290 jsonrpc_msg_destroy(msg);
295 ovsdb_idl_wait(struct ovsdb_idl *idl)
297 jsonrpc_session_wait(idl->session);
298 jsonrpc_session_recv_wait(idl->session);
302 ovsdb_idl_get_seqno(const struct ovsdb_idl *idl)
304 return idl->change_seqno;
308 ovsdb_idl_has_ever_connected(const struct ovsdb_idl *idl)
310 return ovsdb_idl_get_seqno(idl) != 0;
314 ovsdb_idl_force_reconnect(struct ovsdb_idl *idl)
316 jsonrpc_session_force_reconnect(idl->session);
320 ovsdb_idl_send_monitor_request(struct ovsdb_idl *idl)
322 struct json *monitor_requests;
323 struct jsonrpc_msg *msg;
326 monitor_requests = json_object_create();
327 for (i = 0; i < idl->class->n_tables; i++) {
328 const struct ovsdb_idl_table *table = &idl->tables[i];
329 const struct ovsdb_idl_table_class *tc = table->class;
330 struct json *monitor_request, *columns;
333 monitor_request = json_object_create();
334 columns = json_array_create_empty();
335 for (i = 0; i < tc->n_columns; i++) {
336 const struct ovsdb_idl_column *column = &tc->columns[i];
337 json_array_add(columns, json_string_create(column->name));
339 json_object_put(monitor_request, "columns", columns);
340 json_object_put(monitor_requests, tc->name, monitor_request);
343 json_destroy(idl->monitor_request_id);
344 msg = jsonrpc_create_request(
346 json_array_create_3(json_string_create(idl->class->database),
347 json_null_create(), monitor_requests),
348 &idl->monitor_request_id);
349 jsonrpc_session_send(idl->session, msg);
353 ovsdb_idl_parse_update(struct ovsdb_idl *idl, const struct json *table_updates)
355 struct ovsdb_error *error;
359 error = ovsdb_idl_parse_update__(idl, table_updates);
361 if (!VLOG_DROP_WARN(&syntax_rl)) {
362 char *s = ovsdb_error_to_string(error);
363 VLOG_WARN_RL(&syntax_rl, "%s", s);
366 ovsdb_error_destroy(error);
370 static struct ovsdb_error *
371 ovsdb_idl_parse_update__(struct ovsdb_idl *idl,
372 const struct json *table_updates)
374 const struct shash_node *tables_node;
376 if (table_updates->type != JSON_OBJECT) {
377 return ovsdb_syntax_error(table_updates, NULL,
378 "<table-updates> is not an object");
380 SHASH_FOR_EACH (tables_node, json_object(table_updates)) {
381 const struct json *table_update = tables_node->data;
382 const struct shash_node *table_node;
383 struct ovsdb_idl_table *table;
385 table = shash_find_data(&idl->table_by_name, tables_node->name);
387 return ovsdb_syntax_error(
389 "<table-updates> includes unknown table \"%s\"",
393 if (table_update->type != JSON_OBJECT) {
394 return ovsdb_syntax_error(table_update, NULL,
395 "<table-update> for table \"%s\" is "
396 "not an object", table->class->name);
398 SHASH_FOR_EACH (table_node, json_object(table_update)) {
399 const struct json *row_update = table_node->data;
400 const struct json *old_json, *new_json;
403 if (!uuid_from_string(&uuid, table_node->name)) {
404 return ovsdb_syntax_error(table_update, NULL,
405 "<table-update> for table \"%s\" "
407 "\"%s\" as member name",
411 if (row_update->type != JSON_OBJECT) {
412 return ovsdb_syntax_error(row_update, NULL,
413 "<table-update> for table \"%s\" "
414 "contains <row-update> for %s that "
420 old_json = shash_find_data(json_object(row_update), "old");
421 new_json = shash_find_data(json_object(row_update), "new");
422 if (old_json && old_json->type != JSON_OBJECT) {
423 return ovsdb_syntax_error(old_json, NULL,
424 "\"old\" <row> is not object");
425 } else if (new_json && new_json->type != JSON_OBJECT) {
426 return ovsdb_syntax_error(new_json, NULL,
427 "\"new\" <row> is not object");
428 } else if ((old_json != NULL) + (new_json != NULL)
429 != shash_count(json_object(row_update))) {
430 return ovsdb_syntax_error(row_update, NULL,
431 "<row-update> contains unexpected "
433 } else if (!old_json && !new_json) {
434 return ovsdb_syntax_error(row_update, NULL,
435 "<row-update> missing \"old\" "
436 "and \"new\" members");
439 ovsdb_idl_process_update(table, &uuid, old_json, new_json);
446 static struct ovsdb_idl_row *
447 ovsdb_idl_get_row(struct ovsdb_idl_table *table, const struct uuid *uuid)
449 struct ovsdb_idl_row *row;
451 HMAP_FOR_EACH_WITH_HASH (row, struct ovsdb_idl_row, hmap_node,
452 uuid_hash(uuid), &table->rows) {
453 if (uuid_equals(&row->uuid, uuid)) {
461 ovsdb_idl_process_update(struct ovsdb_idl_table *table,
462 const struct uuid *uuid, const struct json *old,
463 const struct json *new)
465 struct ovsdb_idl_row *row;
467 row = ovsdb_idl_get_row(table, uuid);
470 if (row && !ovsdb_idl_row_is_orphan(row)) {
471 /* XXX perhaps we should check the 'old' values? */
472 ovsdb_idl_delete_row(row);
474 VLOG_WARN_RL(&semantic_rl, "cannot delete missing row "UUID_FMT" "
476 UUID_ARGS(uuid), table->class->name);
481 ovsdb_idl_insert_row(ovsdb_idl_row_create(table, uuid), new);
482 } else if (ovsdb_idl_row_is_orphan(row)) {
483 ovsdb_idl_insert_row(row, new);
485 VLOG_WARN_RL(&semantic_rl, "cannot add existing row "UUID_FMT" to "
486 "table %s", UUID_ARGS(uuid), table->class->name);
487 ovsdb_idl_modify_row(row, new);
492 /* XXX perhaps we should check the 'old' values? */
493 if (!ovsdb_idl_row_is_orphan(row)) {
494 ovsdb_idl_modify_row(row, new);
496 VLOG_WARN_RL(&semantic_rl, "cannot modify missing but "
497 "referenced row "UUID_FMT" in table %s",
498 UUID_ARGS(uuid), table->class->name);
499 ovsdb_idl_insert_row(row, new);
502 VLOG_WARN_RL(&semantic_rl, "cannot modify missing row "UUID_FMT" "
503 "in table %s", UUID_ARGS(uuid), table->class->name);
504 ovsdb_idl_insert_row(ovsdb_idl_row_create(table, uuid), new);
510 ovsdb_idl_row_update(struct ovsdb_idl_row *row, const struct json *row_json)
512 struct ovsdb_idl_table *table = row->table;
513 struct shash_node *node;
515 SHASH_FOR_EACH (node, json_object(row_json)) {
516 const char *column_name = node->name;
517 const struct ovsdb_idl_column *column;
518 struct ovsdb_datum datum;
519 struct ovsdb_error *error;
521 column = shash_find_data(&table->columns, column_name);
523 VLOG_WARN_RL(&syntax_rl, "unknown column %s updating row "UUID_FMT,
524 column_name, UUID_ARGS(&row->uuid));
528 error = ovsdb_datum_from_json(&datum, &column->type, node->data, NULL);
530 ovsdb_datum_swap(&row->old[column - table->class->columns],
532 ovsdb_datum_destroy(&datum, &column->type);
534 char *s = ovsdb_error_to_string(error);
535 VLOG_WARN_RL(&syntax_rl, "error parsing column %s in row "UUID_FMT
536 " in table %s: %s", column_name,
537 UUID_ARGS(&row->uuid), table->class->name, s);
539 ovsdb_error_destroy(error);
545 ovsdb_idl_row_is_orphan(const struct ovsdb_idl_row *row)
548 /* Returns true if 'row' is conceptually part of the database as modified by
549 * the current transaction (if any), false otherwise.
551 * This function will return true if 'row' is not an orphan (see the comment on
552 * ovsdb_idl_row_is_orphan()) and:
554 * - 'row' exists in the database and has not been deleted within the
555 * current transaction (if any).
557 * - 'row' was inserted within the current transaction and has not been
558 * deleted. (In the latter case you should not have passed 'row' in at
559 * all, because ovsdb_idl_txn_delete() freed it.)
561 * This function will return false if 'row' is an orphan or if 'row' was
562 * deleted within the current transaction.
565 ovsdb_idl_row_exists(const struct ovsdb_idl_row *row)
567 return row->new != NULL;
571 ovsdb_idl_row_parse(struct ovsdb_idl_row *row)
573 const struct ovsdb_idl_table_class *class = row->table->class;
576 for (i = 0; i < class->n_columns; i++) {
577 const struct ovsdb_idl_column *c = &class->columns[i];
578 (c->parse)(row, &row->old[i]);
583 ovsdb_idl_row_unparse(struct ovsdb_idl_row *row)
585 const struct ovsdb_idl_table_class *class = row->table->class;
588 for (i = 0; i < class->n_columns; i++) {
589 const struct ovsdb_idl_column *c = &class->columns[i];
595 ovsdb_idl_row_clear_old(struct ovsdb_idl_row *row)
597 assert(row->old == row->new);
598 if (!ovsdb_idl_row_is_orphan(row)) {
599 const struct ovsdb_idl_table_class *class = row->table->class;
602 for (i = 0; i < class->n_columns; i++) {
603 ovsdb_datum_destroy(&row->old[i], &class->columns[i].type);
606 row->old = row->new = NULL;
611 ovsdb_idl_row_clear_new(struct ovsdb_idl_row *row)
613 if (row->old != row->new) {
615 const struct ovsdb_idl_table_class *class = row->table->class;
618 BITMAP_FOR_EACH_1 (i, class->n_columns, row->written) {
619 ovsdb_datum_destroy(&row->new[i], &class->columns[i].type);
630 ovsdb_idl_row_clear_arcs(struct ovsdb_idl_row *row, bool destroy_dsts)
632 struct ovsdb_idl_arc *arc, *next;
634 /* Delete all forward arcs. If 'destroy_dsts', destroy any orphaned rows
635 * that this causes to be unreferenced. */
636 LIST_FOR_EACH_SAFE (arc, next, struct ovsdb_idl_arc, src_node,
638 list_remove(&arc->dst_node);
640 && ovsdb_idl_row_is_orphan(arc->dst)
641 && list_is_empty(&arc->dst->dst_arcs)) {
642 ovsdb_idl_row_destroy(arc->dst);
646 list_init(&row->src_arcs);
649 /* Force nodes that reference 'row' to reparse. */
651 ovsdb_idl_row_reparse_backrefs(struct ovsdb_idl_row *row)
653 struct ovsdb_idl_arc *arc, *next;
655 /* This is trickier than it looks. ovsdb_idl_row_clear_arcs() will destroy
656 * 'arc', so we need to use the "safe" variant of list traversal. However,
657 * calling an ovsdb_idl_column's 'parse' function will add an arc
658 * equivalent to 'arc' to row->arcs. That could be a problem for
659 * traversal, but it adds it at the beginning of the list to prevent us
660 * from stumbling upon it again.
662 * (If duplicate arcs were possible then we would need to make sure that
663 * 'next' didn't also point into 'arc''s destination, but we forbid
664 * duplicate arcs.) */
665 LIST_FOR_EACH_SAFE (arc, next, struct ovsdb_idl_arc, dst_node,
667 struct ovsdb_idl_row *ref = arc->src;
669 ovsdb_idl_row_unparse(ref);
670 ovsdb_idl_row_clear_arcs(ref, false);
671 ovsdb_idl_row_parse(ref);
675 static struct ovsdb_idl_row *
676 ovsdb_idl_row_create__(const struct ovsdb_idl_table_class *class)
678 struct ovsdb_idl_row *row = xzalloc(class->allocation_size);
679 list_init(&row->src_arcs);
680 list_init(&row->dst_arcs);
681 hmap_node_nullify(&row->txn_node);
685 static struct ovsdb_idl_row *
686 ovsdb_idl_row_create(struct ovsdb_idl_table *table, const struct uuid *uuid)
688 struct ovsdb_idl_row *row = ovsdb_idl_row_create__(table->class);
689 hmap_insert(&table->rows, &row->hmap_node, uuid_hash(uuid));
696 ovsdb_idl_row_destroy(struct ovsdb_idl_row *row)
699 ovsdb_idl_row_clear_old(row);
700 hmap_remove(&row->table->rows, &row->hmap_node);
706 ovsdb_idl_insert_row(struct ovsdb_idl_row *row, const struct json *row_json)
708 const struct ovsdb_idl_table_class *class = row->table->class;
711 assert(!row->old && !row->new);
712 row->old = row->new = xmalloc(class->n_columns * sizeof *row->old);
713 for (i = 0; i < class->n_columns; i++) {
714 ovsdb_datum_init_default(&row->old[i], &class->columns[i].type);
716 ovsdb_idl_row_update(row, row_json);
717 ovsdb_idl_row_parse(row);
719 ovsdb_idl_row_reparse_backrefs(row);
723 ovsdb_idl_delete_row(struct ovsdb_idl_row *row)
725 ovsdb_idl_row_unparse(row);
726 ovsdb_idl_row_clear_arcs(row, true);
727 ovsdb_idl_row_clear_old(row);
728 if (list_is_empty(&row->dst_arcs)) {
729 ovsdb_idl_row_destroy(row);
731 ovsdb_idl_row_reparse_backrefs(row);
736 ovsdb_idl_modify_row(struct ovsdb_idl_row *row, const struct json *row_json)
738 ovsdb_idl_row_unparse(row);
739 ovsdb_idl_row_clear_arcs(row, true);
740 ovsdb_idl_row_update(row, row_json);
741 ovsdb_idl_row_parse(row);
745 may_add_arc(const struct ovsdb_idl_row *src, const struct ovsdb_idl_row *dst)
747 const struct ovsdb_idl_arc *arc;
754 /* No duplicate arcs.
756 * We only need to test whether the first arc in dst->dst_arcs originates
757 * at 'src', since we add all of the arcs from a given source in a clump
758 * (in a single call to ovsdb_idl_row_parse()) and new arcs are always
759 * added at the front of the dst_arcs list. */
760 if (list_is_empty(&dst->dst_arcs)) {
763 arc = CONTAINER_OF(dst->dst_arcs.next, struct ovsdb_idl_arc, dst_node);
764 return arc->src != src;
767 static struct ovsdb_idl_table *
768 ovsdb_idl_table_from_class(const struct ovsdb_idl *idl,
769 const struct ovsdb_idl_table_class *table_class)
771 return &idl->tables[table_class - idl->class->tables];
774 struct ovsdb_idl_row *
775 ovsdb_idl_get_row_arc(struct ovsdb_idl_row *src,
776 struct ovsdb_idl_table_class *dst_table_class,
777 const struct uuid *dst_uuid)
779 struct ovsdb_idl *idl = src->table->idl;
780 struct ovsdb_idl_table *dst_table;
781 struct ovsdb_idl_arc *arc;
782 struct ovsdb_idl_row *dst;
784 dst_table = ovsdb_idl_table_from_class(idl, dst_table_class);
785 dst = ovsdb_idl_get_row(dst_table, dst_uuid);
787 /* We're being called from ovsdb_idl_txn_write(). We must not update
788 * any arcs, because the transaction will be backed out at commit or
789 * abort time and we don't want our graph screwed up.
791 * Just return the destination row, if there is one and it has not been
793 if (dst && (hmap_node_is_null(&dst->txn_node) || dst->new)) {
798 /* We're being called from some other context. Update the graph. */
800 dst = ovsdb_idl_row_create(dst_table, dst_uuid);
803 /* Add a new arc, if it wouldn't be a self-arc or a duplicate arc. */
804 if (may_add_arc(src, dst)) {
805 /* The arc *must* be added at the front of the dst_arcs list. See
806 * ovsdb_idl_row_reparse_backrefs() for details. */
807 arc = xmalloc(sizeof *arc);
808 list_push_front(&src->src_arcs, &arc->src_node);
809 list_push_front(&dst->dst_arcs, &arc->dst_node);
814 return !ovsdb_idl_row_is_orphan(dst) ? dst : NULL;
818 const struct ovsdb_idl_row *
819 ovsdb_idl_get_row_for_uuid(const struct ovsdb_idl *idl,
820 const struct ovsdb_idl_table_class *tc,
821 const struct uuid *uuid)
823 return ovsdb_idl_get_row(ovsdb_idl_table_from_class(idl, tc), uuid);
826 static struct ovsdb_idl_row *
827 next_real_row(struct ovsdb_idl_table *table, struct hmap_node *node)
829 for (; node; node = hmap_next(&table->rows, node)) {
830 struct ovsdb_idl_row *row;
832 row = CONTAINER_OF(node, struct ovsdb_idl_row, hmap_node);
833 if (ovsdb_idl_row_exists(row)) {
840 const struct ovsdb_idl_row *
841 ovsdb_idl_first_row(const struct ovsdb_idl *idl,
842 const struct ovsdb_idl_table_class *table_class)
844 struct ovsdb_idl_table *table
845 = ovsdb_idl_table_from_class(idl, table_class);
846 return next_real_row(table, hmap_first(&table->rows));
849 const struct ovsdb_idl_row *
850 ovsdb_idl_next_row(const struct ovsdb_idl_row *row)
852 struct ovsdb_idl_table *table = row->table;
854 return next_real_row(table, hmap_next(&table->rows, &row->hmap_node));
859 static void ovsdb_idl_txn_complete(struct ovsdb_idl_txn *txn,
860 enum ovsdb_idl_txn_status);
863 ovsdb_idl_txn_status_to_string(enum ovsdb_idl_txn_status status)
882 struct ovsdb_idl_txn *
883 ovsdb_idl_txn_create(struct ovsdb_idl *idl)
885 struct ovsdb_idl_txn *txn;
888 idl->txn = txn = xmalloc(sizeof *txn);
889 txn->request_id = NULL;
891 hmap_init(&txn->txn_rows);
892 txn->status = TXN_INCOMPLETE;
894 txn->dry_run = false;
895 ds_init(&txn->comment);
897 txn->inc_table = NULL;
898 txn->inc_column = NULL;
899 txn->inc_where = NULL;
901 hmap_init(&txn->inserted_rows);
907 ovsdb_idl_txn_add_comment(struct ovsdb_idl_txn *txn, const char *s)
909 if (txn->comment.length) {
910 ds_put_char(&txn->comment, '\n');
912 ds_put_cstr(&txn->comment, s);
916 ovsdb_idl_txn_set_dry_run(struct ovsdb_idl_txn *txn)
922 ovsdb_idl_txn_increment(struct ovsdb_idl_txn *txn, const char *table,
923 const char *column, const struct json *where)
925 assert(!txn->inc_table);
926 txn->inc_table = xstrdup(table);
927 txn->inc_column = xstrdup(column);
928 txn->inc_where = where ? json_clone(where) : json_array_create_empty();
932 ovsdb_idl_txn_destroy(struct ovsdb_idl_txn *txn)
934 struct ovsdb_idl_txn_insert *insert, *next;
936 json_destroy(txn->request_id);
937 if (txn->status == TXN_INCOMPLETE) {
938 hmap_remove(&txn->idl->outstanding_txns, &txn->hmap_node);
940 ovsdb_idl_txn_abort(txn);
941 ds_destroy(&txn->comment);
943 free(txn->inc_table);
944 free(txn->inc_column);
945 json_destroy(txn->inc_where);
946 HMAP_FOR_EACH_SAFE (insert, next, struct ovsdb_idl_txn_insert, hmap_node,
947 &txn->inserted_rows) {
950 hmap_destroy(&txn->inserted_rows);
955 ovsdb_idl_txn_wait(const struct ovsdb_idl_txn *txn)
957 if (txn->status != TXN_INCOMPLETE) {
958 poll_immediate_wake();
963 where_uuid_equals(const struct uuid *uuid)
968 json_string_create("_uuid"),
969 json_string_create("=="),
971 json_string_create("uuid"),
972 json_string_create_nocopy(
973 xasprintf(UUID_FMT, UUID_ARGS(uuid))))));
977 uuid_name_from_uuid(const struct uuid *uuid)
982 name = xasprintf("row"UUID_FMT, UUID_ARGS(uuid));
983 for (p = name; *p != '\0'; p++) {
992 static const struct ovsdb_idl_row *
993 ovsdb_idl_txn_get_row(const struct ovsdb_idl_txn *txn, const struct uuid *uuid)
995 const struct ovsdb_idl_row *row;
997 HMAP_FOR_EACH_WITH_HASH (row, struct ovsdb_idl_row, txn_node,
998 uuid_hash(uuid), &txn->txn_rows) {
999 if (uuid_equals(&row->uuid, uuid)) {
1006 /* XXX there must be a cleaner way to do this */
1007 static struct json *
1008 substitute_uuids(struct json *json, const struct ovsdb_idl_txn *txn)
1010 if (json->type == JSON_ARRAY) {
1014 if (json->u.array.n == 2
1015 && json->u.array.elems[0]->type == JSON_STRING
1016 && json->u.array.elems[1]->type == JSON_STRING
1017 && !strcmp(json->u.array.elems[0]->u.string, "uuid")
1018 && uuid_from_string(&uuid, json->u.array.elems[1]->u.string)) {
1019 const struct ovsdb_idl_row *row;
1021 row = ovsdb_idl_txn_get_row(txn, &uuid);
1022 if (row && !row->old && row->new) {
1025 return json_array_create_2(
1026 json_string_create("named-uuid"),
1027 json_string_create_nocopy(uuid_name_from_uuid(&uuid)));
1031 for (i = 0; i < json->u.array.n; i++) {
1032 json->u.array.elems[i] = substitute_uuids(json->u.array.elems[i],
1035 } else if (json->type == JSON_OBJECT) {
1036 struct shash_node *node;
1038 SHASH_FOR_EACH (node, json_object(json)) {
1039 node->data = substitute_uuids(node->data, txn);
1046 ovsdb_idl_txn_disassemble(struct ovsdb_idl_txn *txn)
1048 struct ovsdb_idl_row *row, *next;
1050 /* This must happen early. Otherwise, ovsdb_idl_row_parse() will call an
1051 * ovsdb_idl_column's 'parse' function, which will call
1052 * ovsdb_idl_get_row_arc(), which will seen that the IDL is in a
1053 * transaction and fail to update the graph. */
1054 txn->idl->txn = NULL;
1056 HMAP_FOR_EACH_SAFE (row, next, struct ovsdb_idl_row, txn_node,
1060 ovsdb_idl_row_unparse(row);
1061 ovsdb_idl_row_clear_arcs(row, false);
1062 ovsdb_idl_row_parse(row);
1065 ovsdb_idl_row_unparse(row);
1067 ovsdb_idl_row_clear_new(row);
1070 row->prereqs = NULL;
1073 row->written = NULL;
1075 hmap_remove(&txn->txn_rows, &row->txn_node);
1076 hmap_node_nullify(&row->txn_node);
1078 hmap_remove(&row->table->rows, &row->hmap_node);
1082 hmap_destroy(&txn->txn_rows);
1083 hmap_init(&txn->txn_rows);
1086 enum ovsdb_idl_txn_status
1087 ovsdb_idl_txn_commit(struct ovsdb_idl_txn *txn)
1089 struct ovsdb_idl_row *row;
1090 struct json *operations;
1093 if (txn != txn->idl->txn) {
1097 operations = json_array_create_1(
1098 json_string_create(txn->idl->class->database));
1100 /* Add prerequisites and declarations of new rows. */
1101 HMAP_FOR_EACH (row, struct ovsdb_idl_row, txn_node, &txn->txn_rows) {
1102 /* XXX check that deleted rows exist even if no prereqs? */
1104 const struct ovsdb_idl_table_class *class = row->table->class;
1105 size_t n_columns = class->n_columns;
1106 struct json *op, *columns, *row_json;
1109 op = json_object_create();
1110 json_array_add(operations, op);
1111 json_object_put_string(op, "op", "wait");
1112 json_object_put_string(op, "table", class->name);
1113 json_object_put(op, "timeout", json_integer_create(0));
1114 json_object_put(op, "where", where_uuid_equals(&row->uuid));
1115 json_object_put_string(op, "until", "==");
1116 columns = json_array_create_empty();
1117 json_object_put(op, "columns", columns);
1118 row_json = json_object_create();
1119 json_object_put(op, "rows", json_array_create_1(row_json));
1121 BITMAP_FOR_EACH_1 (idx, n_columns, row->prereqs) {
1122 const struct ovsdb_idl_column *column = &class->columns[idx];
1123 json_array_add(columns, json_string_create(column->name));
1124 json_object_put(row_json, column->name,
1125 ovsdb_datum_to_json(&row->old[idx],
1132 any_updates = false;
1133 HMAP_FOR_EACH (row, struct ovsdb_idl_row, txn_node, &txn->txn_rows) {
1134 const struct ovsdb_idl_table_class *class = row->table->class;
1136 if (row->old == row->new) {
1138 } else if (!row->new) {
1139 struct json *op = json_object_create();
1140 json_object_put_string(op, "op", "delete");
1141 json_object_put_string(op, "table", class->name);
1142 json_object_put(op, "where", where_uuid_equals(&row->uuid));
1143 json_array_add(operations, op);
1146 struct json *row_json;
1150 op = json_object_create();
1151 json_object_put_string(op, "op", row->old ? "update" : "insert");
1152 json_object_put_string(op, "table", class->name);
1154 json_object_put(op, "where", where_uuid_equals(&row->uuid));
1156 struct ovsdb_idl_txn_insert *insert;
1158 json_object_put(op, "uuid-name",
1159 json_string_create_nocopy(
1160 uuid_name_from_uuid(&row->uuid)));
1162 insert = xmalloc(sizeof *insert);
1163 insert->dummy = row->uuid;
1164 insert->op_index = operations->u.array.n - 1;
1165 uuid_zero(&insert->real);
1166 hmap_insert(&txn->inserted_rows, &insert->hmap_node,
1167 uuid_hash(&insert->dummy));
1169 row_json = json_object_create();
1170 json_object_put(op, "row", row_json);
1172 BITMAP_FOR_EACH_1 (idx, class->n_columns, row->written) {
1173 const struct ovsdb_idl_column *column = &class->columns[idx];
1176 ? !ovsdb_datum_equals(&row->old[idx], &row->new[idx],
1178 : !ovsdb_datum_is_default(&row->new[idx], &column->type)) {
1179 json_object_put(row_json, column->name,
1181 ovsdb_datum_to_json(&row->new[idx],
1187 if (!row->old || !shash_is_empty(json_object(row_json))) {
1188 json_array_add(operations, op);
1196 /* Add increment. */
1197 if (txn->inc_table && any_updates) {
1200 txn->inc_index = operations->u.array.n - 1;
1202 op = json_object_create();
1203 json_object_put_string(op, "op", "mutate");
1204 json_object_put_string(op, "table", txn->inc_table);
1205 json_object_put(op, "where",
1206 substitute_uuids(json_clone(txn->inc_where), txn));
1207 json_object_put(op, "mutations",
1208 json_array_create_1(
1209 json_array_create_3(
1210 json_string_create(txn->inc_column),
1211 json_string_create("+="),
1212 json_integer_create(1))));
1213 json_array_add(operations, op);
1215 op = json_object_create();
1216 json_object_put_string(op, "op", "select");
1217 json_object_put_string(op, "table", txn->inc_table);
1218 json_object_put(op, "where",
1219 substitute_uuids(json_clone(txn->inc_where), txn));
1220 json_object_put(op, "columns",
1221 json_array_create_1(json_string_create(
1223 json_array_add(operations, op);
1226 if (txn->comment.length) {
1227 struct json *op = json_object_create();
1228 json_object_put_string(op, "op", "comment");
1229 json_object_put_string(op, "comment", ds_cstr(&txn->comment));
1230 json_array_add(operations, op);
1234 struct json *op = json_object_create();
1235 json_object_put_string(op, "op", "abort");
1236 json_array_add(operations, op);
1240 txn->status = TXN_UNCHANGED;
1241 json_destroy(operations);
1242 } else if (!jsonrpc_session_send(
1244 jsonrpc_create_request(
1245 "transact", operations, &txn->request_id))) {
1246 hmap_insert(&txn->idl->outstanding_txns, &txn->hmap_node,
1247 json_hash(txn->request_id, 0));
1249 txn->status = TXN_TRY_AGAIN;
1252 ovsdb_idl_txn_disassemble(txn);
1257 ovsdb_idl_txn_get_increment_new_value(const struct ovsdb_idl_txn *txn)
1259 assert(txn->status == TXN_SUCCESS);
1260 return txn->inc_new_value;
1264 ovsdb_idl_txn_abort(struct ovsdb_idl_txn *txn)
1266 ovsdb_idl_txn_disassemble(txn);
1267 if (txn->status == TXN_INCOMPLETE) {
1268 txn->status = TXN_ABORTED;
1273 ovsdb_idl_txn_get_error(const struct ovsdb_idl_txn *txn)
1275 if (txn->status != TXN_ERROR) {
1276 return ovsdb_idl_txn_status_to_string(txn->status);
1277 } else if (txn->error) {
1280 return "no error details available";
1285 ovsdb_idl_txn_set_error_json(struct ovsdb_idl_txn *txn,
1286 const struct json *json)
1288 if (txn->error == NULL) {
1289 txn->error = json_to_string(json, JSSF_SORT);
1293 /* For transaction 'txn' that completed successfully, finds and returns the
1294 * permanent UUID that the database assigned to a newly inserted row, given the
1295 * 'uuid' that ovsdb_idl_txn_insert() assigned locally to that row.
1297 * Returns NULL if 'uuid' is not a UUID assigned by ovsdb_idl_txn_insert() or
1298 * if it was assigned by that function and then deleted by
1299 * ovsdb_idl_txn_delete() within the same transaction. (Rows that are inserted
1300 * and then deleted within a single transaction are never sent to the database
1301 * server, so it never assigns them a permanent UUID.) */
1303 ovsdb_idl_txn_get_insert_uuid(const struct ovsdb_idl_txn *txn,
1304 const struct uuid *uuid)
1306 const struct ovsdb_idl_txn_insert *insert;
1308 assert(txn->status == TXN_SUCCESS || txn->status == TXN_UNCHANGED);
1309 HMAP_FOR_EACH_IN_BUCKET (insert, struct ovsdb_idl_txn_insert, hmap_node,
1310 uuid_hash(uuid), &txn->inserted_rows) {
1311 if (uuid_equals(uuid, &insert->dummy)) {
1312 return &insert->real;
1319 ovsdb_idl_txn_complete(struct ovsdb_idl_txn *txn,
1320 enum ovsdb_idl_txn_status status)
1322 txn->status = status;
1323 hmap_remove(&txn->idl->outstanding_txns, &txn->hmap_node);
1327 ovsdb_idl_txn_read(const struct ovsdb_idl_row *row,
1328 const struct ovsdb_idl_column *column,
1329 struct ovsdb_datum *datum)
1331 const struct ovsdb_idl_table_class *class = row->table->class;
1332 size_t column_idx = column - class->columns;
1334 assert(row->new != NULL);
1335 if (row->written && bitmap_is_set(row->written, column_idx)) {
1336 ovsdb_datum_clone(datum, &row->new[column_idx], &column->type);
1337 } else if (row->old) {
1338 ovsdb_datum_clone(datum, &row->old[column_idx], &column->type);
1340 ovsdb_datum_init_default(datum, &column->type);
1345 ovsdb_idl_txn_write(const struct ovsdb_idl_row *row_,
1346 const struct ovsdb_idl_column *column,
1347 struct ovsdb_datum *datum)
1349 struct ovsdb_idl_row *row = (struct ovsdb_idl_row *) row_;
1350 const struct ovsdb_idl_table_class *class = row->table->class;
1351 size_t column_idx = column - class->columns;
1353 assert(row->new != NULL);
1354 assert(column_idx < class->n_columns);
1355 if (hmap_node_is_null(&row->txn_node)) {
1356 hmap_insert(&row->table->idl->txn->txn_rows, &row->txn_node,
1357 uuid_hash(&row->uuid));
1359 if (row->old == row->new) {
1360 row->new = xmalloc(class->n_columns * sizeof *row->new);
1362 if (!row->written) {
1363 row->written = bitmap_allocate(class->n_columns);
1365 if (bitmap_is_set(row->written, column_idx)) {
1366 ovsdb_datum_destroy(&row->new[column_idx], &column->type);
1368 bitmap_set1(row->written, column_idx);
1370 row->new[column_idx] = *datum;
1371 (column->unparse)(row);
1372 (column->parse)(row, &row->new[column_idx]);
1376 ovsdb_idl_txn_verify(const struct ovsdb_idl_row *row_,
1377 const struct ovsdb_idl_column *column)
1379 struct ovsdb_idl_row *row = (struct ovsdb_idl_row *) row_;
1380 const struct ovsdb_idl_table_class *class = row->table->class;
1381 size_t column_idx = column - class->columns;
1383 assert(row->new != NULL);
1385 || (row->written && bitmap_is_set(row->written, column_idx))) {
1389 if (hmap_node_is_null(&row->txn_node)) {
1390 hmap_insert(&row->table->idl->txn->txn_rows, &row->txn_node,
1391 uuid_hash(&row->uuid));
1393 if (!row->prereqs) {
1394 row->prereqs = bitmap_allocate(class->n_columns);
1396 bitmap_set1(row->prereqs, column_idx);
1400 ovsdb_idl_txn_delete(const struct ovsdb_idl_row *row_)
1402 struct ovsdb_idl_row *row = (struct ovsdb_idl_row *) row_;
1404 assert(row->new != NULL);
1406 ovsdb_idl_row_unparse(row);
1407 ovsdb_idl_row_clear_new(row);
1408 assert(!row->prereqs);
1409 hmap_remove(&row->table->rows, &row->hmap_node);
1410 hmap_remove(&row->table->idl->txn->txn_rows, &row->txn_node);
1414 if (hmap_node_is_null(&row->txn_node)) {
1415 hmap_insert(&row->table->idl->txn->txn_rows, &row->txn_node,
1416 uuid_hash(&row->uuid));
1418 ovsdb_idl_row_clear_new(row);
1422 const struct ovsdb_idl_row *
1423 ovsdb_idl_txn_insert(struct ovsdb_idl_txn *txn,
1424 const struct ovsdb_idl_table_class *class)
1426 struct ovsdb_idl_row *row = ovsdb_idl_row_create__(class);
1427 uuid_generate(&row->uuid);
1428 row->table = ovsdb_idl_table_from_class(txn->idl, class);
1429 row->new = xmalloc(class->n_columns * sizeof *row->new);
1430 row->written = bitmap_allocate(class->n_columns);
1431 hmap_insert(&row->table->rows, &row->hmap_node, uuid_hash(&row->uuid));
1432 hmap_insert(&txn->txn_rows, &row->txn_node, uuid_hash(&row->uuid));
1437 ovsdb_idl_txn_abort_all(struct ovsdb_idl *idl)
1439 struct ovsdb_idl_txn *txn;
1441 HMAP_FOR_EACH (txn, struct ovsdb_idl_txn, hmap_node,
1442 &idl->outstanding_txns) {
1443 ovsdb_idl_txn_complete(txn, TXN_TRY_AGAIN);
1447 static struct ovsdb_idl_txn *
1448 ovsdb_idl_txn_find(struct ovsdb_idl *idl, const struct json *id)
1450 struct ovsdb_idl_txn *txn;
1452 HMAP_FOR_EACH_WITH_HASH (txn, struct ovsdb_idl_txn, hmap_node,
1453 json_hash(id, 0), &idl->outstanding_txns) {
1454 if (json_equal(id, txn->request_id)) {
1462 check_json_type(const struct json *json, enum json_type type, const char *name)
1465 VLOG_WARN_RL(&syntax_rl, "%s is missing", name);
1467 } else if (json->type != type) {
1468 VLOG_WARN_RL(&syntax_rl, "%s is %s instead of %s",
1469 name, json_type_to_string(json->type),
1470 json_type_to_string(type));
1478 ovsdb_idl_txn_process_inc_reply(struct ovsdb_idl_txn *txn,
1479 const struct json_array *results)
1481 struct json *count, *rows, *row, *column;
1482 struct shash *mutate, *select;
1484 if (txn->inc_index + 2 > results->n) {
1485 VLOG_WARN_RL(&syntax_rl, "reply does not contain enough operations "
1486 "for increment (has %u, needs %u)",
1487 results->n, txn->inc_index + 2);
1491 /* We know that this is a JSON object because the loop in
1492 * ovsdb_idl_txn_process_reply() checked. */
1493 mutate = json_object(results->elems[txn->inc_index]);
1494 count = shash_find_data(mutate, "count");
1495 if (!check_json_type(count, JSON_INTEGER, "\"mutate\" reply \"count\"")) {
1498 if (count->u.integer != 1) {
1499 VLOG_WARN_RL(&syntax_rl,
1500 "\"mutate\" reply \"count\" is %"PRId64" instead of 1",
1505 select = json_object(results->elems[txn->inc_index + 1]);
1506 rows = shash_find_data(select, "rows");
1507 if (!check_json_type(rows, JSON_ARRAY, "\"select\" reply \"rows\"")) {
1510 if (rows->u.array.n != 1) {
1511 VLOG_WARN_RL(&syntax_rl, "\"select\" reply \"rows\" has %u elements "
1516 row = rows->u.array.elems[0];
1517 if (!check_json_type(row, JSON_OBJECT, "\"select\" reply row")) {
1520 column = shash_find_data(json_object(row), txn->inc_column);
1521 if (!check_json_type(column, JSON_INTEGER,
1522 "\"select\" reply inc column")) {
1525 txn->inc_new_value = column->u.integer;
1530 ovsdb_idl_txn_process_insert_reply(struct ovsdb_idl_txn_insert *insert,
1531 const struct json_array *results)
1533 static const struct ovsdb_base_type uuid_type = OVSDB_BASE_UUID_INIT;
1534 struct ovsdb_error *error;
1535 struct json *json_uuid;
1536 union ovsdb_atom uuid;
1537 struct shash *reply;
1539 if (insert->op_index >= results->n) {
1540 VLOG_WARN_RL(&syntax_rl, "reply does not contain enough operations "
1541 "for insert (has %u, needs %u)",
1542 results->n, insert->op_index);
1546 /* We know that this is a JSON object because the loop in
1547 * ovsdb_idl_txn_process_reply() checked. */
1548 reply = json_object(results->elems[insert->op_index]);
1549 json_uuid = shash_find_data(reply, "uuid");
1550 if (!check_json_type(json_uuid, JSON_ARRAY, "\"insert\" reply \"uuid\"")) {
1554 error = ovsdb_atom_from_json(&uuid, &uuid_type, json_uuid, NULL);
1556 char *s = ovsdb_error_to_string(error);
1557 VLOG_WARN_RL(&syntax_rl, "\"insert\" reply \"uuid\" is not a JSON "
1563 insert->real = uuid.uuid;
1569 ovsdb_idl_txn_process_reply(struct ovsdb_idl *idl,
1570 const struct jsonrpc_msg *msg)
1572 struct ovsdb_idl_txn *txn;
1573 enum ovsdb_idl_txn_status status;
1575 txn = ovsdb_idl_txn_find(idl, msg->id);
1580 if (msg->type == JSONRPC_ERROR) {
1582 } else if (msg->result->type != JSON_ARRAY) {
1583 VLOG_WARN_RL(&syntax_rl, "reply to \"transact\" is not JSON array");
1586 struct json_array *ops = &msg->result->u.array;
1587 int hard_errors = 0;
1588 int soft_errors = 0;
1591 for (i = 0; i < ops->n; i++) {
1592 struct json *op = ops->elems[i];
1594 if (op->type == JSON_NULL) {
1595 /* This isn't an error in itself but indicates that some prior
1596 * operation failed, so make sure that we know about it. */
1598 } else if (op->type == JSON_OBJECT) {
1601 error = shash_find_data(json_object(op), "error");
1603 if (error->type == JSON_STRING) {
1604 if (!strcmp(error->u.string, "timed out")) {
1606 } else if (strcmp(error->u.string, "aborted")) {
1608 ovsdb_idl_txn_set_error_json(txn, op);
1612 ovsdb_idl_txn_set_error_json(txn, op);
1613 VLOG_WARN_RL(&syntax_rl,
1614 "\"error\" in reply is not JSON string");
1619 ovsdb_idl_txn_set_error_json(txn, op);
1620 VLOG_WARN_RL(&syntax_rl,
1621 "operation reply is not JSON null or object");
1625 if (!soft_errors && !hard_errors) {
1626 struct ovsdb_idl_txn_insert *insert;
1628 if (txn->inc_table && !ovsdb_idl_txn_process_inc_reply(txn, ops)) {
1632 HMAP_FOR_EACH (insert, struct ovsdb_idl_txn_insert, hmap_node,
1633 &txn->inserted_rows) {
1634 if (!ovsdb_idl_txn_process_insert_reply(insert, ops)) {
1640 status = (hard_errors ? TXN_ERROR
1641 : soft_errors ? TXN_TRY_AGAIN
1645 ovsdb_idl_txn_complete(txn, status);
1649 struct ovsdb_idl_txn *
1650 ovsdb_idl_txn_get(const struct ovsdb_idl_row *row)
1652 struct ovsdb_idl_txn *txn = row->table->idl->txn;
1653 assert(txn != NULL);