comparison: src/server/plugins/postgresql/resource.h
src/server/plugins/postgresql/resource.h
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| 269:3dfbd0b91950 | 270:4cfaa02055cd |
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| 1 /* | |
| 2 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER. | |
| 3 * | |
| 4 * Copyright 2022 Olaf Wintermann. All rights reserved. | |
| 5 * | |
| 6 * Redistribution and use in source and binary forms, with or without | |
| 7 * modification, are permitted provided that the following conditions are met: | |
| 8 * | |
| 9 * 1. Redistributions of source code must retain the above copyright | |
| 10 * notice, this list of conditions and the following disclaimer. | |
| 11 * | |
| 12 * 2. Redistributions in binary form must reproduce the above copyright | |
| 13 * notice, this list of conditions and the following disclaimer in the | |
| 14 * documentation and/or other materials provided with the distribution. | |
| 15 * | |
| 16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" | |
| 17 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
| 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
| 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE | |
| 20 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR | |
| 21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF | |
| 22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS | |
| 23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN | |
| 24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | |
| 25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE | |
| 26 * POSSIBILITY OF SUCH DAMAGE. | |
| 27 */ | |
| 28 | |
| 29 #ifndef RESOURCE_H | |
| 30 #define RESOURCE_H | |
| 31 | |
| 32 #include "../../public/nsapi.h" | |
| 33 | |
| 34 #include <libpq-fe.h> | |
| 35 | |
| 36 #ifdef __cplusplus | |
| 37 extern "C" { | |
| 38 #endif | |
| 39 | |
| 40 typedef struct PgResourcePool { | |
| 41 /* | |
| 42 * ResourcePool parameters | |
| 43 */ | |
| 44 pblock *param; | |
| 45 | |
| 46 /* | |
| 47 * Cfg memorypool | |
| 48 */ | |
| 49 pool_handle_t *pool; | |
| 50 | |
| 51 /* | |
| 52 * ResourcePool name | |
| 53 */ | |
| 54 const char *name; | |
| 55 | |
| 56 /* | |
| 57 * connection string used for PQconnectdb | |
| 58 */ | |
| 59 char *connection; | |
| 60 | |
| 61 | |
| 62 } PgResourcePool; | |
| 63 | |
| 64 typedef struct PgResource { | |
| 65 PGconn *connection; | |
| 66 } PgResource; | |
| 67 | |
| 68 ResourceType* pg_get_resource_type(void); | |
| 69 | |
| 70 void * pg_resourcepool_init(pool_handle_t *pool, const char *rpname, pblock *pb); | |
| 71 void pg_resourcepool_destroy(PgResourcePool *pg); | |
| 72 void * pg_resourcepool_createresource(PgResourcePool *pg); | |
| 73 void pg_resourcepool_freeresource(PgResourcePool *pg, PgResource *res); | |
| 74 int pg_resourcepool_prepare(PgResourcePool *pg, PgResource *res); | |
| 75 int pg_resourcepool_finish(PgResourcePool *pg, PgResource *res); | |
| 76 void * pg_resourcepool_getresourcedata(PgResource *res); | |
| 77 | |
| 78 /* | |
| 79 * checks if conn is a working connection and logs an error message if not | |
| 80 * conn can be null (resulting in an error message) | |
| 81 * if conn is not null but the status is not CONNECTION_OK, | |
| 82 * conn will be destroyed | |
| 83 */ | |
| 84 int pg_check_connection(const char *rpname, PGconn *connection); | |
| 85 | |
| 86 #ifdef __cplusplus | |
| 87 } | |
| 88 #endif | |
| 89 | |
| 90 #endif /* RESOURCE_H */ | |
| 91 |
