src/server/plugins/postgresql/resource.c

Sun, 06 Nov 2022 17:41:39 +0100

author
Olaf Wintermann <olaf.wintermann@gmail.com>
date
Sun, 06 Nov 2022 17:41:39 +0100
changeset 417
90805bb9fbd6
parent 390
144332e23ffd
permissions
-rw-r--r--

prepare serverconfig parser to be also used for obj.conf and init.conf

270
4cfaa02055cd add first code for postgresql plugin: resourcepool type implementation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
1 /*
4cfaa02055cd add first code for postgresql plugin: resourcepool type implementation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
2 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
4cfaa02055cd add first code for postgresql plugin: resourcepool type implementation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
3 *
4cfaa02055cd add first code for postgresql plugin: resourcepool type implementation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
4 * Copyright 2022 Olaf Wintermann. All rights reserved.
4cfaa02055cd add first code for postgresql plugin: resourcepool type implementation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
5 *
4cfaa02055cd add first code for postgresql plugin: resourcepool type implementation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
6 * Redistribution and use in source and binary forms, with or without
4cfaa02055cd add first code for postgresql plugin: resourcepool type implementation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
7 * modification, are permitted provided that the following conditions are met:
4cfaa02055cd add first code for postgresql plugin: resourcepool type implementation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
8 *
4cfaa02055cd add first code for postgresql plugin: resourcepool type implementation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
9 * 1. Redistributions of source code must retain the above copyright
4cfaa02055cd add first code for postgresql plugin: resourcepool type implementation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
10 * notice, this list of conditions and the following disclaimer.
4cfaa02055cd add first code for postgresql plugin: resourcepool type implementation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
11 *
4cfaa02055cd add first code for postgresql plugin: resourcepool type implementation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
12 * 2. Redistributions in binary form must reproduce the above copyright
4cfaa02055cd add first code for postgresql plugin: resourcepool type implementation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
13 * notice, this list of conditions and the following disclaimer in the
4cfaa02055cd add first code for postgresql plugin: resourcepool type implementation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
14 * documentation and/or other materials provided with the distribution.
4cfaa02055cd add first code for postgresql plugin: resourcepool type implementation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
15 *
4cfaa02055cd add first code for postgresql plugin: resourcepool type implementation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
4cfaa02055cd add first code for postgresql plugin: resourcepool type implementation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
17 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
4cfaa02055cd add first code for postgresql plugin: resourcepool type implementation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
4cfaa02055cd add first code for postgresql plugin: resourcepool type implementation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
4cfaa02055cd add first code for postgresql plugin: resourcepool type implementation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
20 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
4cfaa02055cd add first code for postgresql plugin: resourcepool type implementation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
4cfaa02055cd add first code for postgresql plugin: resourcepool type implementation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
4cfaa02055cd add first code for postgresql plugin: resourcepool type implementation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
4cfaa02055cd add first code for postgresql plugin: resourcepool type implementation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
4cfaa02055cd add first code for postgresql plugin: resourcepool type implementation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
4cfaa02055cd add first code for postgresql plugin: resourcepool type implementation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
26 * POSSIBILITY OF SUCH DAMAGE.
4cfaa02055cd add first code for postgresql plugin: resourcepool type implementation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
27 */
4cfaa02055cd add first code for postgresql plugin: resourcepool type implementation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
28
4cfaa02055cd add first code for postgresql plugin: resourcepool type implementation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
29 #include "resource.h"
4cfaa02055cd add first code for postgresql plugin: resourcepool type implementation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
30
4cfaa02055cd add first code for postgresql plugin: resourcepool type implementation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
31 static ResourceType pg_resource_type = {
4cfaa02055cd add first code for postgresql plugin: resourcepool type implementation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
32 (resource_pool_init_func)pg_resourcepool_init,
4cfaa02055cd add first code for postgresql plugin: resourcepool type implementation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
33 (resource_pool_destroy_func)pg_resourcepool_destroy,
4cfaa02055cd add first code for postgresql plugin: resourcepool type implementation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
34 (resource_pool_createresource_func)pg_resourcepool_createresource,
4cfaa02055cd add first code for postgresql plugin: resourcepool type implementation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
35 (resource_pool_freeresource_func)pg_resourcepool_freeresource,
4cfaa02055cd add first code for postgresql plugin: resourcepool type implementation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
36 (resource_pool_prepare_func)pg_resourcepool_prepare,
4cfaa02055cd add first code for postgresql plugin: resourcepool type implementation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
37 (resource_pool_finish_func)pg_resourcepool_finish,
4cfaa02055cd add first code for postgresql plugin: resourcepool type implementation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
38 (resource_pool_getresourcedata_func)pg_resourcepool_getresourcedata
4cfaa02055cd add first code for postgresql plugin: resourcepool type implementation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
39 };
4cfaa02055cd add first code for postgresql plugin: resourcepool type implementation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
40
4cfaa02055cd add first code for postgresql plugin: resourcepool type implementation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
41 ResourceType* pg_get_resource_type(void) {
4cfaa02055cd add first code for postgresql plugin: resourcepool type implementation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
42 return &pg_resource_type;
4cfaa02055cd add first code for postgresql plugin: resourcepool type implementation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
43 }
4cfaa02055cd add first code for postgresql plugin: resourcepool type implementation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
44
4cfaa02055cd add first code for postgresql plugin: resourcepool type implementation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
45 void * pg_resourcepool_init(pool_handle_t *pool, const char *rpname, pblock *pb) {
4cfaa02055cd add first code for postgresql plugin: resourcepool type implementation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
46 char *connection = pblock_findval("Connection", pb);
4cfaa02055cd add first code for postgresql plugin: resourcepool type implementation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
47 if(!connection) {
4cfaa02055cd add first code for postgresql plugin: resourcepool type implementation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
48 log_ereport(LOG_MISCONFIG, "Resource pool %s: Missing Connection parameter", rpname);
4cfaa02055cd add first code for postgresql plugin: resourcepool type implementation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
49 return NULL;
4cfaa02055cd add first code for postgresql plugin: resourcepool type implementation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
50 }
4cfaa02055cd add first code for postgresql plugin: resourcepool type implementation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
51
4cfaa02055cd add first code for postgresql plugin: resourcepool type implementation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
52 // test connection
4cfaa02055cd add first code for postgresql plugin: resourcepool type implementation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
53 PGconn *test_connection = PQconnectdb(connection);
390
144332e23ffd reduce log warnings in case pg_check_connection fails
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 389
diff changeset
54 // pg_check_connections logs errors, so we don't really need to handle
144332e23ffd reduce log warnings in case pg_check_connection fails
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 389
diff changeset
55 // any error here
144332e23ffd reduce log warnings in case pg_check_connection fails
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 389
diff changeset
56 pg_check_connection(LOG_WARN, rpname, test_connection);
271
fd5765c5068c don't fail webserver init in case a resourcepool ping fails
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 270
diff changeset
57 if(test_connection) PQfinish(test_connection);
270
4cfaa02055cd add first code for postgresql plugin: resourcepool type implementation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
58
4cfaa02055cd add first code for postgresql plugin: resourcepool type implementation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
59 PgResourcePool *pg = pool_malloc(pool, sizeof(PgResourcePool));
4cfaa02055cd add first code for postgresql plugin: resourcepool type implementation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
60 if(!pg) {
4cfaa02055cd add first code for postgresql plugin: resourcepool type implementation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
61 return NULL;
4cfaa02055cd add first code for postgresql plugin: resourcepool type implementation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
62 }
4cfaa02055cd add first code for postgresql plugin: resourcepool type implementation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
63 pg->pool = pool;
4cfaa02055cd add first code for postgresql plugin: resourcepool type implementation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
64 pg->name = rpname;
4cfaa02055cd add first code for postgresql plugin: resourcepool type implementation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
65 pg->connection = connection;
4cfaa02055cd add first code for postgresql plugin: resourcepool type implementation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
66
4cfaa02055cd add first code for postgresql plugin: resourcepool type implementation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
67 return pg;
4cfaa02055cd add first code for postgresql plugin: resourcepool type implementation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
68
4cfaa02055cd add first code for postgresql plugin: resourcepool type implementation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
69 }
4cfaa02055cd add first code for postgresql plugin: resourcepool type implementation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
70
271
fd5765c5068c don't fail webserver init in case a resourcepool ping fails
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 270
diff changeset
71 int pg_check_connection(int loglevel, const char *rpname, PGconn *connection) {
270
4cfaa02055cd add first code for postgresql plugin: resourcepool type implementation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
72 if(!connection) {
271
fd5765c5068c don't fail webserver init in case a resourcepool ping fails
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 270
diff changeset
73 log_ereport(loglevel, "Resource pool %s: Cannot create PQ connection", rpname);
270
4cfaa02055cd add first code for postgresql plugin: resourcepool type implementation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
74 return 1;
4cfaa02055cd add first code for postgresql plugin: resourcepool type implementation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
75 }
4cfaa02055cd add first code for postgresql plugin: resourcepool type implementation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
76 if(PQstatus(connection) != CONNECTION_OK) {
4cfaa02055cd add first code for postgresql plugin: resourcepool type implementation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
77 char *err = PQerrorMessage(connection);
4cfaa02055cd add first code for postgresql plugin: resourcepool type implementation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
78 int errlen = 0;
4cfaa02055cd add first code for postgresql plugin: resourcepool type implementation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
79 if(err) {
4cfaa02055cd add first code for postgresql plugin: resourcepool type implementation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
80 errlen = strlen(err);
4cfaa02055cd add first code for postgresql plugin: resourcepool type implementation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
81 if(errlen > 0 && err[errlen-1] == '\n') {
4cfaa02055cd add first code for postgresql plugin: resourcepool type implementation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
82 errlen--;
4cfaa02055cd add first code for postgresql plugin: resourcepool type implementation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
83 }
4cfaa02055cd add first code for postgresql plugin: resourcepool type implementation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
84 }
271
fd5765c5068c don't fail webserver init in case a resourcepool ping fails
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 270
diff changeset
85 log_ereport(loglevel, "Resource pool %s: Failed to connect to database: %.*s", rpname, errlen, err);
270
4cfaa02055cd add first code for postgresql plugin: resourcepool type implementation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
86 return 1;
4cfaa02055cd add first code for postgresql plugin: resourcepool type implementation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
87 }
4cfaa02055cd add first code for postgresql plugin: resourcepool type implementation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
88 return 0;
4cfaa02055cd add first code for postgresql plugin: resourcepool type implementation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
89 }
4cfaa02055cd add first code for postgresql plugin: resourcepool type implementation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
90
4cfaa02055cd add first code for postgresql plugin: resourcepool type implementation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
91
272
f210681d9dd0 add minimal working implementation for resourcepool_lookup()
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 271
diff changeset
92 void pg_resourcepool_destroy(PgResourcePool *pg) {
270
4cfaa02055cd add first code for postgresql plugin: resourcepool type implementation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
93 // unused
4cfaa02055cd add first code for postgresql plugin: resourcepool type implementation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
94 }
4cfaa02055cd add first code for postgresql plugin: resourcepool type implementation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
95
4cfaa02055cd add first code for postgresql plugin: resourcepool type implementation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
96 void * pg_resourcepool_createresource(PgResourcePool *pg) {
4cfaa02055cd add first code for postgresql plugin: resourcepool type implementation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
97 PGconn *connection = PQconnectdb(pg->connection);
271
fd5765c5068c don't fail webserver init in case a resourcepool ping fails
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 270
diff changeset
98 if(pg_check_connection(LOG_FAILURE, pg->name, connection)) {
270
4cfaa02055cd add first code for postgresql plugin: resourcepool type implementation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
99 return NULL;
4cfaa02055cd add first code for postgresql plugin: resourcepool type implementation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
100 }
4cfaa02055cd add first code for postgresql plugin: resourcepool type implementation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
101
4cfaa02055cd add first code for postgresql plugin: resourcepool type implementation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
102 PgResource *res = pool_malloc(pg->pool, sizeof(PgResource));
4cfaa02055cd add first code for postgresql plugin: resourcepool type implementation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
103 if(!res) {
4cfaa02055cd add first code for postgresql plugin: resourcepool type implementation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
104 PQfinish(connection);
4cfaa02055cd add first code for postgresql plugin: resourcepool type implementation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
105 log_ereport(LOG_CATASTROPHE, "pg_resourcepool_createresource: OOM");
4cfaa02055cd add first code for postgresql plugin: resourcepool type implementation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
106 return NULL;
4cfaa02055cd add first code for postgresql plugin: resourcepool type implementation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
107 }
4cfaa02055cd add first code for postgresql plugin: resourcepool type implementation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
108 res->connection = connection;
4cfaa02055cd add first code for postgresql plugin: resourcepool type implementation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
109
4cfaa02055cd add first code for postgresql plugin: resourcepool type implementation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
110 return res;
4cfaa02055cd add first code for postgresql plugin: resourcepool type implementation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
111 }
4cfaa02055cd add first code for postgresql plugin: resourcepool type implementation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
112
272
f210681d9dd0 add minimal working implementation for resourcepool_lookup()
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 271
diff changeset
113 void pg_resourcepool_freeresource(PgResourcePool *pg, PgResource *res) {
270
4cfaa02055cd add first code for postgresql plugin: resourcepool type implementation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
114 if(res->connection) {
4cfaa02055cd add first code for postgresql plugin: resourcepool type implementation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
115 PQfinish(res->connection);
4cfaa02055cd add first code for postgresql plugin: resourcepool type implementation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
116 }
343
78ce9733a54f fix resource pool memory management
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 283
diff changeset
117 pool_free(pg->pool, res);
270
4cfaa02055cd add first code for postgresql plugin: resourcepool type implementation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
118 }
4cfaa02055cd add first code for postgresql plugin: resourcepool type implementation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
119
272
f210681d9dd0 add minimal working implementation for resourcepool_lookup()
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 271
diff changeset
120 int pg_resourcepool_prepare(PgResourcePool *pg, PgResource *res) {
283
25e5b771677d minimal working send_file with postgresql vfs
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 272
diff changeset
121 PGresult *result = PQexec(res->connection, "BEGIN");
25e5b771677d minimal working send_file with postgresql vfs
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 272
diff changeset
122 PQclear(result); // TODO: handle error
270
4cfaa02055cd add first code for postgresql plugin: resourcepool type implementation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
123 return 0;
4cfaa02055cd add first code for postgresql plugin: resourcepool type implementation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
124 }
4cfaa02055cd add first code for postgresql plugin: resourcepool type implementation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
125
272
f210681d9dd0 add minimal working implementation for resourcepool_lookup()
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 271
diff changeset
126 int pg_resourcepool_finish(PgResourcePool *pg, PgResource *res) {
283
25e5b771677d minimal working send_file with postgresql vfs
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 272
diff changeset
127 PGresult *result = PQexec(res->connection, "COMMIT");
382
9e2289c77b04 disable pg large object IO functions for collections
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 343
diff changeset
128 if(PQresultStatus(result) != PGRES_COMMAND_OK) {
9e2289c77b04 disable pg large object IO functions for collections
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 343
diff changeset
129 log_ereport(LOG_FAILURE, "pg_dav_proppatch_finish: COMMIT failed failed: %s", PQerrorMessage(res->connection));
9e2289c77b04 disable pg large object IO functions for collections
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 343
diff changeset
130 }
9e2289c77b04 disable pg large object IO functions for collections
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 343
diff changeset
131 PQclear(result);
270
4cfaa02055cd add first code for postgresql plugin: resourcepool type implementation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
132 return 0;
4cfaa02055cd add first code for postgresql plugin: resourcepool type implementation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
133 }
4cfaa02055cd add first code for postgresql plugin: resourcepool type implementation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
134
4cfaa02055cd add first code for postgresql plugin: resourcepool type implementation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
135 void * pg_resourcepool_getresourcedata(PgResource *res) {
4cfaa02055cd add first code for postgresql plugin: resourcepool type implementation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
136 return res->connection;
4cfaa02055cd add first code for postgresql plugin: resourcepool type implementation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
137 }

mercurial