nginx/src/event/ngx_event_connect.h


/*
 * Copyright (C) Igor Sysoev
 */


#ifndef _NGX_EVENT_CONNECT_H_INCLUDED_
#define _NGX_EVENT_CONNECT_H_INCLUDED_


#include <ngx_config.h>
#include <ngx_core.h>
#include <ngx_event.h>


#define NGX_CONNECT_ERROR   -10


typedef struct {
    struct sockaddr    *sockaddr;
    socklen_t           socklen;

    ngx_str_t           name;
    char               *uri_separator;

    ngx_uint_t          weight;

    ngx_uint_t          fails;
    time_t              accessed;

    ngx_uint_t          max_fails;
    time_t              fail_timeout;
} ngx_peer_t;


struct ngx_peers_s {
    ngx_uint_t          current;
    ngx_uint_t          weight;

    ngx_uint_t          number;
    ngx_uint_t          last_cached;

 /* ngx_mutex_t        *mutex; */
    ngx_connection_t  **cached;

    ngx_peer_t          peer[1];
};


typedef struct {
    ngx_peers_t        *peers;
    ngx_uint_t          cur_peer;
    ngx_uint_t          tries;

    ngx_connection_t   *connection;
#if (NGX_THREADS)
    ngx_atomic_t       *lock;
#endif

    int                 rcvbuf;

    ngx_log_t          *log;

    unsigned            cached:1;
    unsigned            log_error:2;  /* ngx_connection_log_error_e */
} ngx_peer_connection_t;


ngx_int_t ngx_event_connect_peer(ngx_peer_connection_t *pc);
void ngx_event_connect_peer_failed(ngx_peer_connection_t *pc);


#endif /* _NGX_EVENT_CONNECT_H_INCLUDED_ */
nginx-0.1.0-2004-09-28-12:34:51 import; set copyright and remove unused files 2004-09-28 16:34:51 +08:00
			`/*`
nginx-0.1.0-2004-09-29-20:00:49 import; remove years from copyright 2004-09-30 00:00:49 +08:00			`* Copyright (C) Igor Sysoev`
nginx-0.1.0-2004-09-28-12:34:51 import; set copyright and remove unused files 2004-09-28 16:34:51 +08:00			`*/`


nginx-0.0.1-2003-05-12-19:52:24 import 2003-05-12 23:52:24 +08:00			`#ifndef _NGX_EVENT_CONNECT_H_INCLUDED_`
			`#define _NGX_EVENT_CONNECT_H_INCLUDED_`


			`#include <ngx_config.h>`
nginx-0.0.1-2003-07-21-01:15:59 import 2003-07-21 05:15:59 +08:00			`#include <ngx_core.h>`
nginx-0.0.1-2003-05-12-19:52:24 import 2003-05-12 23:52:24 +08:00			`#include <ngx_event.h>`


nginx-0.0.1-2003-10-02-09:39:37 import 2003-10-02 13:39:37 +08:00			`#define NGX_CONNECT_ERROR -10`


nginx-0.0.1-2003-05-12-19:52:24 import 2003-05-12 23:52:24 +08:00			`typedef struct {`
nginx-0.1.14-RELEASE import ) Feature: the autoconfiguration directives: --http-client-body-temp-path=PATH, --http-proxy-temp-path=PATH, and --http-fastcgi-temp-path=PATH ) Change: the directory name for the temporary files with the client request body is specified by directive client_body_temp_path, by default it is <prefix>/client_body_temp. ) Feature: the ngx_http_fastcgi_module and the directives: fastcgi_pass, fastcgi_root, fastcgi_index, fastcgi_params, fastcgi_connect_timeout, fastcgi_send_timeout, fastcgi_read_timeout, fastcgi_send_lowat, fastcgi_header_buffer_size, fastcgi_buffers, fastcgi_busy_buffers_size, fastcgi_temp_path, fastcgi_max_temp_file_size, fastcgi_temp_file_write_size, fastcgi_next_upstream, and fastcgi_x_powered_by. ) Bugfix: the "[alert] zero size buf" error; the bug had appeared in 0.1.3. ) Change: the URI must be specified after the host name in the proxy_pass directive. ) Change: the %3F symbol in the URI was considered as the argument string start. ) Feature: the unix domain sockets support in the ngx_http_proxy_module. ) Feature: the ssl_engine and ssl_ciphers directives. Thanks to Sergey Skvortsov for SSL-accelerator. 2005-01-18 21:03:58 +08:00			`struct sockaddr *sockaddr;`
			`socklen_t socklen;`
nginx-0.0.1-2003-05-12-19:52:24 import 2003-05-12 23:52:24 +08:00
nginx-0.1.14-RELEASE import ) Feature: the autoconfiguration directives: --http-client-body-temp-path=PATH, --http-proxy-temp-path=PATH, and --http-fastcgi-temp-path=PATH ) Change: the directory name for the temporary files with the client request body is specified by directive client_body_temp_path, by default it is <prefix>/client_body_temp. ) Feature: the ngx_http_fastcgi_module and the directives: fastcgi_pass, fastcgi_root, fastcgi_index, fastcgi_params, fastcgi_connect_timeout, fastcgi_send_timeout, fastcgi_read_timeout, fastcgi_send_lowat, fastcgi_header_buffer_size, fastcgi_buffers, fastcgi_busy_buffers_size, fastcgi_temp_path, fastcgi_max_temp_file_size, fastcgi_temp_file_write_size, fastcgi_next_upstream, and fastcgi_x_powered_by. ) Bugfix: the "[alert] zero size buf" error; the bug had appeared in 0.1.3. ) Change: the URI must be specified after the host name in the proxy_pass directive. ) Change: the %3F symbol in the URI was considered as the argument string start. ) Feature: the unix domain sockets support in the ngx_http_proxy_module. ) Feature: the ssl_engine and ssl_ciphers directives. Thanks to Sergey Skvortsov for SSL-accelerator. 2005-01-18 21:03:58 +08:00			`ngx_str_t name;`
			`char *uri_separator;`
nginx-0.0.1-2003-05-12-19:52:24 import 2003-05-12 23:52:24 +08:00
nginx-0.1.14-RELEASE import ) Feature: the autoconfiguration directives: --http-client-body-temp-path=PATH, --http-proxy-temp-path=PATH, and --http-fastcgi-temp-path=PATH ) Change: the directory name for the temporary files with the client request body is specified by directive client_body_temp_path, by default it is <prefix>/client_body_temp. ) Feature: the ngx_http_fastcgi_module and the directives: fastcgi_pass, fastcgi_root, fastcgi_index, fastcgi_params, fastcgi_connect_timeout, fastcgi_send_timeout, fastcgi_read_timeout, fastcgi_send_lowat, fastcgi_header_buffer_size, fastcgi_buffers, fastcgi_busy_buffers_size, fastcgi_temp_path, fastcgi_max_temp_file_size, fastcgi_temp_file_write_size, fastcgi_next_upstream, and fastcgi_x_powered_by. ) Bugfix: the "[alert] zero size buf" error; the bug had appeared in 0.1.3. ) Change: the URI must be specified after the host name in the proxy_pass directive. ) Change: the %3F symbol in the URI was considered as the argument string start. ) Feature: the unix domain sockets support in the ngx_http_proxy_module. ) Feature: the ssl_engine and ssl_ciphers directives. Thanks to Sergey Skvortsov for SSL-accelerator. 2005-01-18 21:03:58 +08:00			`ngx_uint_t weight;`
nginx-0.0.1-2003-05-12-19:52:24 import 2003-05-12 23:52:24 +08:00
nginx-0.1.14-RELEASE import ) Feature: the autoconfiguration directives: --http-client-body-temp-path=PATH, --http-proxy-temp-path=PATH, and --http-fastcgi-temp-path=PATH ) Change: the directory name for the temporary files with the client request body is specified by directive client_body_temp_path, by default it is <prefix>/client_body_temp. ) Feature: the ngx_http_fastcgi_module and the directives: fastcgi_pass, fastcgi_root, fastcgi_index, fastcgi_params, fastcgi_connect_timeout, fastcgi_send_timeout, fastcgi_read_timeout, fastcgi_send_lowat, fastcgi_header_buffer_size, fastcgi_buffers, fastcgi_busy_buffers_size, fastcgi_temp_path, fastcgi_max_temp_file_size, fastcgi_temp_file_write_size, fastcgi_next_upstream, and fastcgi_x_powered_by. ) Bugfix: the "[alert] zero size buf" error; the bug had appeared in 0.1.3. ) Change: the URI must be specified after the host name in the proxy_pass directive. ) Change: the %3F symbol in the URI was considered as the argument string start. ) Feature: the unix domain sockets support in the ngx_http_proxy_module. ) Feature: the ssl_engine and ssl_ciphers directives. Thanks to Sergey Skvortsov for SSL-accelerator. 2005-01-18 21:03:58 +08:00			`ngx_uint_t fails;`
			`time_t accessed;`

			`ngx_uint_t max_fails;`
nginx-0.1.3-RELEASE import ) Feature: the ngx_http_autoindex_module and the autoindex directive. ) Feature: the proxy_set_x_url directive. *) Bugfix: proxy module may get caught in an endless loop when sendfile is not used. 2004-10-25 23:29:23 +08:00			`time_t fail_timeout;`
nginx-0.1.14-RELEASE import ) Feature: the autoconfiguration directives: --http-client-body-temp-path=PATH, --http-proxy-temp-path=PATH, and --http-fastcgi-temp-path=PATH ) Change: the directory name for the temporary files with the client request body is specified by directive client_body_temp_path, by default it is <prefix>/client_body_temp. ) Feature: the ngx_http_fastcgi_module and the directives: fastcgi_pass, fastcgi_root, fastcgi_index, fastcgi_params, fastcgi_connect_timeout, fastcgi_send_timeout, fastcgi_read_timeout, fastcgi_send_lowat, fastcgi_header_buffer_size, fastcgi_buffers, fastcgi_busy_buffers_size, fastcgi_temp_path, fastcgi_max_temp_file_size, fastcgi_temp_file_write_size, fastcgi_next_upstream, and fastcgi_x_powered_by. ) Bugfix: the "[alert] zero size buf" error; the bug had appeared in 0.1.3. ) Change: the URI must be specified after the host name in the proxy_pass directive. ) Change: the %3F symbol in the URI was considered as the argument string start. ) Feature: the unix domain sockets support in the ngx_http_proxy_module. ) Feature: the ssl_engine and ssl_ciphers directives. Thanks to Sergey Skvortsov for SSL-accelerator. 2005-01-18 21:03:58 +08:00			`} ngx_peer_t;`


			`struct ngx_peers_s {`
			`ngx_uint_t current;`
			`ngx_uint_t weight;`

			`ngx_uint_t number;`
			`ngx_uint_t last_cached;`
nginx-0.0.1-2003-05-12-19:52:24 import 2003-05-12 23:52:24 +08:00
nginx-0.0.1-2003-10-02-09:39:37 import 2003-10-02 13:39:37 +08:00			`/* ngx_mutex_t mutex; /`
			`ngx_connection_t **cached;`
nginx-0.0.1-2003-05-12-19:52:24 import 2003-05-12 23:52:24 +08:00
nginx-0.1.14-RELEASE import ) Feature: the autoconfiguration directives: --http-client-body-temp-path=PATH, --http-proxy-temp-path=PATH, and --http-fastcgi-temp-path=PATH ) Change: the directory name for the temporary files with the client request body is specified by directive client_body_temp_path, by default it is <prefix>/client_body_temp. ) Feature: the ngx_http_fastcgi_module and the directives: fastcgi_pass, fastcgi_root, fastcgi_index, fastcgi_params, fastcgi_connect_timeout, fastcgi_send_timeout, fastcgi_read_timeout, fastcgi_send_lowat, fastcgi_header_buffer_size, fastcgi_buffers, fastcgi_busy_buffers_size, fastcgi_temp_path, fastcgi_max_temp_file_size, fastcgi_temp_file_write_size, fastcgi_next_upstream, and fastcgi_x_powered_by. ) Bugfix: the "[alert] zero size buf" error; the bug had appeared in 0.1.3. ) Change: the URI must be specified after the host name in the proxy_pass directive. ) Change: the %3F symbol in the URI was considered as the argument string start. ) Feature: the unix domain sockets support in the ngx_http_proxy_module. ) Feature: the ssl_engine and ssl_ciphers directives. Thanks to Sergey Skvortsov for SSL-accelerator. 2005-01-18 21:03:58 +08:00			`ngx_peer_t peer[1];`
			`};`
nginx-0.0.1-2003-05-12-19:52:24 import 2003-05-12 23:52:24 +08:00

			`typedef struct {`
nginx-0.1.18-RELEASE import ) Workaround: the default values of the devpoll_events and the devpoll_changes directives changed from 512 to 32 to be compatible with Solaris 10. ) Bugfix: the proxy_set_x_var and fastcgi_set_var directives were not inherited. ) Bugfix: in the redirect rewrite directive the arguments were concatenated with URI by the "&" rather than the "?". ) Bugfix: the lines without trailing ";" in the file being included by the ngx_http_geo_module were silently ignored. ) Feature: the ngx_http_stub_status_module. ) Bugfix: the unknown log format in the access_log directive caused the segmentation fault. ) Feature: the new "document_root" parameter of the fastcgi_params directive. ) Feature: the fastcgi_redirect_errors directive. *) Feature: the new "break" modifier of the "rewrite" directive allows to stop the rewrite/location cycle and sets the current configuration to the request. 2005-02-09 22:31:07 +08:00			`ngx_peers_t *peers;`
			`ngx_uint_t cur_peer;`
			`ngx_uint_t tries;`
nginx-0.0.1-2003-07-21-01:15:59 import 2003-07-21 05:15:59 +08:00
nginx-0.1.18-RELEASE import ) Workaround: the default values of the devpoll_events and the devpoll_changes directives changed from 512 to 32 to be compatible with Solaris 10. ) Bugfix: the proxy_set_x_var and fastcgi_set_var directives were not inherited. ) Bugfix: in the redirect rewrite directive the arguments were concatenated with URI by the "&" rather than the "?". ) Bugfix: the lines without trailing ";" in the file being included by the ngx_http_geo_module were silently ignored. ) Feature: the ngx_http_stub_status_module. ) Bugfix: the unknown log format in the access_log directive caused the segmentation fault. ) Feature: the new "document_root" parameter of the fastcgi_params directive. ) Feature: the fastcgi_redirect_errors directive. *) Feature: the new "break" modifier of the "rewrite" directive allows to stop the rewrite/location cycle and sets the current configuration to the request. 2005-02-09 22:31:07 +08:00			`ngx_connection_t *connection;`
nginx-0.0.7-2004-07-05-19:08:23 import 2004-07-05 23:08:23 +08:00			`#if (NGX_THREADS)`
nginx-0.1.18-RELEASE import ) Workaround: the default values of the devpoll_events and the devpoll_changes directives changed from 512 to 32 to be compatible with Solaris 10. ) Bugfix: the proxy_set_x_var and fastcgi_set_var directives were not inherited. ) Bugfix: in the redirect rewrite directive the arguments were concatenated with URI by the "&" rather than the "?". ) Bugfix: the lines without trailing ";" in the file being included by the ngx_http_geo_module were silently ignored. ) Feature: the ngx_http_stub_status_module. ) Bugfix: the unknown log format in the access_log directive caused the segmentation fault. ) Feature: the new "document_root" parameter of the fastcgi_params directive. ) Feature: the fastcgi_redirect_errors directive. *) Feature: the new "break" modifier of the "rewrite" directive allows to stop the rewrite/location cycle and sets the current configuration to the request. 2005-02-09 22:31:07 +08:00			`ngx_atomic_t *lock;`
nginx-0.0.7-2004-07-05-19:08:23 import 2004-07-05 23:08:23 +08:00			`#endif`
nginx-0.0.1-2003-07-21-20:24:25 import 2003-07-22 00:24:25 +08:00
nginx-0.1.18-RELEASE import ) Workaround: the default values of the devpoll_events and the devpoll_changes directives changed from 512 to 32 to be compatible with Solaris 10. ) Bugfix: the proxy_set_x_var and fastcgi_set_var directives were not inherited. ) Bugfix: in the redirect rewrite directive the arguments were concatenated with URI by the "&" rather than the "?". ) Bugfix: the lines without trailing ";" in the file being included by the ngx_http_geo_module were silently ignored. ) Feature: the ngx_http_stub_status_module. ) Bugfix: the unknown log format in the access_log directive caused the segmentation fault. ) Feature: the new "document_root" parameter of the fastcgi_params directive. ) Feature: the fastcgi_redirect_errors directive. *) Feature: the new "break" modifier of the "rewrite" directive allows to stop the rewrite/location cycle and sets the current configuration to the request. 2005-02-09 22:31:07 +08:00			`int rcvbuf;`
nginx-0.0.1-2003-07-22-23:53:10 import 2003-07-23 03:53:10 +08:00
nginx-0.1.18-RELEASE import ) Workaround: the default values of the devpoll_events and the devpoll_changes directives changed from 512 to 32 to be compatible with Solaris 10. ) Bugfix: the proxy_set_x_var and fastcgi_set_var directives were not inherited. ) Bugfix: in the redirect rewrite directive the arguments were concatenated with URI by the "&" rather than the "?". ) Bugfix: the lines without trailing ";" in the file being included by the ngx_http_geo_module were silently ignored. ) Feature: the ngx_http_stub_status_module. ) Bugfix: the unknown log format in the access_log directive caused the segmentation fault. ) Feature: the new "document_root" parameter of the fastcgi_params directive. ) Feature: the fastcgi_redirect_errors directive. *) Feature: the new "break" modifier of the "rewrite" directive allows to stop the rewrite/location cycle and sets the current configuration to the request. 2005-02-09 22:31:07 +08:00			`ngx_log_t *log;`
nginx-0.0.1-2003-08-01-18:56:33 import 2003-08-01 22:56:33 +08:00
nginx-0.1.18-RELEASE import ) Workaround: the default values of the devpoll_events and the devpoll_changes directives changed from 512 to 32 to be compatible with Solaris 10. ) Bugfix: the proxy_set_x_var and fastcgi_set_var directives were not inherited. ) Bugfix: in the redirect rewrite directive the arguments were concatenated with URI by the "&" rather than the "?". ) Bugfix: the lines without trailing ";" in the file being included by the ngx_http_geo_module were silently ignored. ) Feature: the ngx_http_stub_status_module. ) Bugfix: the unknown log format in the access_log directive caused the segmentation fault. ) Feature: the new "document_root" parameter of the fastcgi_params directive. ) Feature: the fastcgi_redirect_errors directive. *) Feature: the new "break" modifier of the "rewrite" directive allows to stop the rewrite/location cycle and sets the current configuration to the request. 2005-02-09 22:31:07 +08:00			`unsigned cached:1;`
			`unsigned log_error:2; /* ngx_connection_log_error_e */`
nginx-0.0.1-2003-07-21-20:24:25 import 2003-07-22 00:24:25 +08:00			`} ngx_peer_connection_t;`
nginx-0.0.1-2003-05-12-19:52:24 import 2003-05-12 23:52:24 +08:00

nginx-0.1.5-RELEASE import ) Bugfix: on Solaris and Linux there may be too many "recvmsg() returned not enough data" alerts. ) Bugfix: there were the "writev() failed (22: Invalid argument)" errors on Solaris in proxy mode without sendfile. On other platforms that do not support sendfile at all the process got caught in an endless loop. ) Bugfix: segmentation fault on Solaris in proxy mode and using sendfile. ) Bugfix: segmentation fault on Solaris. ) Bugfix: on-line upgrade did not work on Linux. ) Bugfix: the ngx_http_autoindex_module module did not escape the spaces, the quotes, and the percent signs in the directory listing. ) Change: the decrease of the copy operations. ) Feature: the userid_p3p directive. 2004-11-11 22:07:14 +08:00			`ngx_int_t ngx_event_connect_peer(ngx_peer_connection_t *pc);`
nginx-0.0.1-2003-10-02-09:39:37 import 2003-10-02 13:39:37 +08:00			`void ngx_event_connect_peer_failed(ngx_peer_connection_t *pc);`


nginx-0.0.1-2003-05-12-19:52:24 import 2003-05-12 23:52:24 +08:00			`#endif /* _NGX_EVENT_CONNECT_H_INCLUDED_ */`