1 /*
2  * Copyright (c) 2010, FRiCKLE Piotr Sikora <info@frickle.com>
3  * Copyright (c) 2009-2010, Yichun Zhang <agentzh@gmail.com>
4  * Copyright (C) 2002-2010, Igor Sysoev
5  *
6  * Redistribution and use in source and binary forms, with or without
7  * modification, are permitted provided that the following conditions
8  * are met:
9  * 1. Redistributions of source code must retain the above copyright
10  *    notice, this list of conditions and the following disclaimer.
11  * 2. Redistributions in binary form must reproduce the above copyright
12  *    notice, this list of conditions and the following disclaimer in the
13  *    documentation and/or other materials provided with the distribution.
14  *
15  * THIS SOFTWARE IS PROVIDED BY AUTHOR AND CONTRIBUTORS ``AS IS'' AND
16  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18  * ARE DISCLAIMED.  IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE LIABLE
19  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25  * SUCH DAMAGE.
26  */
27 
28 #ifndef _NGX_POSTGRES_UTIL_H_
29 #define _NGX_POSTGRES_UTIL_H_
30 
31 #include <ngx_core.h>
32 #include <ngx_http.h>
33 
34 
35 extern ngx_module_t  ngx_http_rewrite_module;
36 
37 
38 typedef struct {
39     ngx_array_t  *codes;        /* uintptr_t */
40 
41     ngx_uint_t    stack_size;
42 
43     ngx_flag_t    log;
44     ngx_flag_t    uninitialized_variable_warn;
45 } ngx_postgres_rewrite_loc_conf_t;
46 
47 
48 void       ngx_postgres_upstream_finalize_request(ngx_http_request_t *,
49                ngx_http_upstream_t *, ngx_int_t);
50 void       ngx_postgres_upstream_next(ngx_http_request_t *,
51                ngx_http_upstream_t *, ngx_int_t);
52 ngx_int_t  ngx_postgres_upstream_test_connect(ngx_connection_t *);
53 
54 ngx_int_t  ngx_postgres_rewrite_var(ngx_http_request_t *,
55                ngx_http_variable_value_t *, uintptr_t);
56 char      *ngx_postgres_rewrite_value(ngx_conf_t *,
57                ngx_postgres_rewrite_loc_conf_t *, ngx_str_t *);
58 
59 #endif /* _NGX_POSTGRES_UTIL_H_ */
60