diff options
Diffstat (limited to 'ngx_postgres-1.0/src/ngx_postgres_keepalive.h')
| -rw-r--r-- | ngx_postgres-1.0/src/ngx_postgres_keepalive.h | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/ngx_postgres-1.0/src/ngx_postgres_keepalive.h b/ngx_postgres-1.0/src/ngx_postgres_keepalive.h new file mode 100644 index 0000000..31e024a --- /dev/null +++ b/ngx_postgres-1.0/src/ngx_postgres_keepalive.h @@ -0,0 +1,65 @@ +/* + * Copyright (c) 2010, FRiCKLE Piotr Sikora <info@frickle.com> + * Copyright (c) 2009-2010, Yichun Zhang <agentzh@gmail.com> + * Copyright (C) 2008, Maxim Dounin + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#ifndef _NGX_POSTGRES_KEEPALIVE_H_ +#define _NGX_POSTGRES_KEEPALIVE_H_ + +#include <ngx_core.h> +#include <ngx_http.h> +#include <libpq-fe.h> + +#include "ngx_postgres_module.h" +#include "ngx_postgres_upstream.h" + + +typedef struct { + ngx_queue_t queue; + ngx_postgres_upstream_srv_conf_t *srv_conf; + ngx_connection_t *connection; + PGconn *pgconn; + struct sockaddr sockaddr; + socklen_t socklen; + ngx_str_t name; +} ngx_postgres_keepalive_cache_t; + + +ngx_int_t ngx_postgres_keepalive_init(ngx_pool_t *, + ngx_postgres_upstream_srv_conf_t *); +ngx_int_t ngx_postgres_keepalive_get_peer_single(ngx_peer_connection_t *, + ngx_postgres_upstream_peer_data_t *, + ngx_postgres_upstream_srv_conf_t *); +ngx_int_t ngx_postgres_keepalive_get_peer_multi(ngx_peer_connection_t *, + ngx_postgres_upstream_peer_data_t *, + ngx_postgres_upstream_srv_conf_t *); +void ngx_postgres_keepalive_free_peer(ngx_peer_connection_t *, + ngx_postgres_upstream_peer_data_t *, + ngx_postgres_upstream_srv_conf_t *, ngx_uint_t); +void ngx_postgres_keepalive_dummy_handler(ngx_event_t *); +void ngx_postgres_keepalive_close_handler(ngx_event_t *); +void ngx_postgres_keepalive_cleanup(void *); + +#endif /* _NGX_POSTGRES_KEEPALIVE_H_ */ |