GNUnet  0.17.6
gnunet_db_lib.h
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1 /*
2  This file is part of GNUnet
3  Copyright (C) 2017 GNUnet e.V.
4 
5  GNUnet is free software: you can redistribute it and/or modify it
6  under the terms of the GNU Affero General Public License as published
7  by the Free Software Foundation, either version 3 of the License,
8  or (at your option) any later version.
9 
10  GNUnet is distributed in the hope that it will be useful, but
11  WITHOUT ANY WARRANTY; without even the implied warranty of
12  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13  Affero General Public License for more details.
14 
15  You should have received a copy of the GNU Affero General Public License
16  along with this program. If not, see <http://www.gnu.org/licenses/>.
17 
18  SPDX-License-Identifier: AGPL3.0-or-later
19  */
25 #ifndef GNUNET_DB_LIB_H
26 #define GNUNET_DB_LIB_H
27 
28 #include "gnunet_common.h"
29 
36 {
41 
47 
55 
60 
61  /* Larger values may be returned for SELECT statements
62  that returned more than one result. */
63 };
64 
65 
70 
78 typedef void
79 (*GNUNET_DB_EventCallback)(void *cls,
80  const void *extra,
81  size_t extra_size);
82 
84 
85 
91 {
96  uint16_t size GNUNET_PACKED;
97 
101  uint16_t type GNUNET_PACKED;
102 
103 };
104 
106 
107 
108 #endif
commonly used definitions; globals in this file are exempt from the rule that the module name ("commo...
void(* GNUNET_DB_EventCallback)(void *cls, const void *extra, size_t extra_size)
Function called on events received from Postgres.
Definition: gnunet_db_lib.h:79
GNUNET_DB_QueryStatus
Status code returned from functions running database commands.
Definition: gnunet_db_lib.h:36
@ GNUNET_DB_STATUS_SUCCESS_ONE_RESULT
The transaction succeeded, and yielded one result.
Definition: gnunet_db_lib.h:59
@ GNUNET_DB_STATUS_HARD_ERROR
A hard error occurred, retrying will not help.
Definition: gnunet_db_lib.h:40
@ GNUNET_DB_STATUS_SUCCESS_NO_RESULTS
The transaction succeeded, but yielded zero results.
Definition: gnunet_db_lib.h:54
@ GNUNET_DB_STATUS_SOFT_ERROR
A soft error occurred, retrying the transaction may succeed.
Definition: gnunet_db_lib.h:46
#define GNUNET_NETWORK_STRUCT_BEGIN
Define as empty, GNUNET_PACKED should suffice, but this won't work on W32.
#define GNUNET_NETWORK_STRUCT_END
Define as empty, GNUNET_PACKED should suffice, but this won't work on W32;.
#define GNUNET_PACKED
gcc-ism to get packed structs.
Handle for an active LISTENer to the database.
Definition: pq_event.c:34
Header of a structure that describes an event channel we may subscribe to or notify on.
Definition: gnunet_db_lib.h:91
uint16_t size
The length of the struct (in bytes, including the length field itself), in big-endian format.
Definition: gnunet_db_lib.h:96
uint16_t type
The type of the message (GNUNET_DB_EVENT_TYPE_XXXX), in big-endian format.