lib/ovsdb-idl.h

   1 /* Copyright (c) 2009 Nicira Networks.
   2  *
   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:
   6  *
   7  *     http://www.apache.org/licenses/LICENSE-2.0
   8  *
   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.
  14  */
  15
  16 #ifndef OVSDB_IDL_H
  17 #define OVSDB_IDL_H 1
  18
  19 #include <stdint.h>
  20
  21 struct json;
  22 struct ovsdb_idl_class;
  23
  24 struct ovsdb_idl *ovsdb_idl_create(const char *remote,
  25                                    const struct ovsdb_idl_class *);
  26 void ovsdb_idl_destroy(struct ovsdb_idl *);
  27
  28 void ovsdb_idl_run(struct ovsdb_idl *);
  29 void ovsdb_idl_wait(struct ovsdb_idl *);
  30
  31 unsigned int ovsdb_idl_get_seqno(const struct ovsdb_idl *);
  32 void ovsdb_idl_force_reconnect(struct ovsdb_idl *);
  33
  34 enum ovsdb_idl_txn_status {
  35     TXN_UNCHANGED,              /* Transaction didn't include any changes. */
  36     TXN_INCOMPLETE,             /* Commit in progress, please wait. */
  37     TXN_ABORTED,                /* ovsdb_idl_txn_abort() called. */
  38     TXN_SUCCESS,                /* Commit successful. */
  39     TXN_TRY_AGAIN,              /* Commit failed because a "verify" operation
  40                                  * reported an inconsistency, due to a network
  41                                  * problem, or other transient failure. */
  42     TXN_ERROR                   /* Commit failed due to a hard error. */
  43 };
  44
  45 const char *ovsdb_idl_txn_status_to_string(enum ovsdb_idl_txn_status);
  46
  47 struct ovsdb_idl_txn *ovsdb_idl_txn_create(struct ovsdb_idl *);
  48 void ovsdb_idl_txn_add_comment(struct ovsdb_idl_txn *, const char *);
  49 void ovsdb_idl_txn_set_dry_run(struct ovsdb_idl_txn *);
  50 void ovsdb_idl_txn_increment(struct ovsdb_idl_txn *, const char *table,
  51                              const char *column, const struct json *where);
  52 void ovsdb_idl_txn_destroy(struct ovsdb_idl_txn *);
  53 void ovsdb_idl_txn_wait(const struct ovsdb_idl_txn *);
  54 enum ovsdb_idl_txn_status ovsdb_idl_txn_commit(struct ovsdb_idl_txn *);
  55 int64_t ovsdb_idl_txn_get_increment_new_value(const struct ovsdb_idl_txn *);
  56 void ovsdb_idl_txn_abort(struct ovsdb_idl_txn *);
  57
  58 #endif /* ovsdb-idl.h */