nginx/src/core/ngx_connection.h

174 lines
4.3 KiB
C
Raw Normal View History

/*
* Copyright (C) Igor Sysoev
*/
#ifndef _NGX_CONNECTION_H_INCLUDED_
#define _NGX_CONNECTION_H_INCLUDED_
2003-06-11 23:28:34 +08:00
2003-06-03 23:42:58 +08:00
#include <ngx_config.h>
2003-05-20 23:37:55 +08:00
#include <ngx_core.h>
2003-06-03 23:42:58 +08:00
typedef struct ngx_listening_s ngx_listening_t;
struct ngx_listening_s {
ngx_socket_t fd;
struct sockaddr *sockaddr;
socklen_t socklen; /* size of sockaddr */
size_t addr; /* offset to address in sockaddr */
size_t addr_text_max_len;
ngx_str_t addr_text;
int family;
int type;
int backlog;
/* handler of accepted connection */
ngx_connection_handler_pt handler;
void *ctx; /* ngx_http_conf_ctx_t, for example */
void *servers; /* array of ngx_http_in_addr_t, for example */
ngx_log_t log;
size_t pool_size;
/* should be here because of the AcceptEx() preread */
size_t post_accept_buffer_size;
/* should be here because of the deferred accept */
time_t post_accept_timeout;
ngx_listening_t *previous;
ngx_connection_t *connection;
unsigned open:1;
unsigned remain:1;
unsigned ignore:1;
unsigned bound:1; /* already bound */
unsigned inherited:1; /* inherited from previous process */
unsigned nonblocking_accept:1;
unsigned change_backlog:1;
unsigned nonblocking:1;
unsigned shared:1; /* shared between threads or processes */
unsigned addr_ntop:1;
#if (NGX_HAVE_DEFERRED_ACCEPT)
unsigned deferred_accept:1;
unsigned delete_deferred:1;
unsigned add_deferred:1;
#ifdef SO_ACCEPTFILTER
char *accept_filter;
#endif
2003-06-11 23:28:34 +08:00
#endif
};
2003-06-11 23:28:34 +08:00
2004-02-11 00:23:38 +08:00
typedef enum {
NGX_ERROR_CRIT = 0,
NGX_ERROR_ERR,
NGX_ERROR_INFO,
NGX_ERROR_IGNORE_ECONNRESET
} ngx_connection_log_error_e;
2004-06-01 14:04:46 +08:00
typedef enum {
NGX_TCP_NODELAY_UNSET = 0,
NGX_TCP_NODELAY_SET,
NGX_TCP_NODELAY_DISABLED
} ngx_connection_tcp_nodelay_e;
typedef enum {
2004-06-01 14:04:46 +08:00
NGX_TCP_NOPUSH_UNSET = 0,
NGX_TCP_NOPUSH_SET,
NGX_TCP_NOPUSH_DISABLED
2004-06-01 14:04:46 +08:00
} ngx_connection_tcp_nopush_e;
2003-06-11 23:28:34 +08:00
struct ngx_connection_s {
2004-07-19 03:11:20 +08:00
void *data;
ngx_event_t *read;
ngx_event_t *write;
2003-06-11 23:28:34 +08:00
2004-07-19 03:11:20 +08:00
ngx_socket_t fd;
2003-06-11 23:28:34 +08:00
2004-07-19 03:11:20 +08:00
ngx_recv_pt recv;
ngx_send_pt send;
2004-07-19 03:11:20 +08:00
ngx_send_chain_pt send_chain;
2004-07-19 03:11:20 +08:00
ngx_listening_t *listening;
2002-09-02 22:48:24 +08:00
2004-07-19 03:11:20 +08:00
off_t sent;
2003-01-09 13:36:00 +08:00
2004-07-19 03:11:20 +08:00
void *ctx;
void *servers;
2003-06-11 23:28:34 +08:00
2002-08-26 23:18:19 +08:00
2004-07-19 03:11:20 +08:00
ngx_log_t *log;
2003-06-11 23:28:34 +08:00
2004-07-19 03:11:20 +08:00
ngx_pool_t *pool;
struct sockaddr *sockaddr;
socklen_t socklen;
ngx_str_t addr_text;
2003-06-11 23:28:34 +08:00
2004-07-15 04:07:58 +08:00
#if (NGX_OPENSSL)
ngx_ssl_connection_t *ssl;
2004-07-15 04:07:58 +08:00
#endif
#if (NGX_HAVE_IOCP)
2004-07-19 03:11:20 +08:00
struct sockaddr *local_sockaddr;
socklen_t local_socklen;
2003-02-07 01:21:13 +08:00
#endif
2003-06-11 23:28:34 +08:00
2004-07-19 03:11:20 +08:00
ngx_buf_t *buffer;
2002-09-02 22:48:24 +08:00
ngx_atomic_uint_t number;
2002-12-15 14:25:09 +08:00
unsigned log_error:2; /* ngx_connection_log_error_e */
2004-02-11 00:23:38 +08:00
2004-07-26 02:34:14 +08:00
unsigned buffered:1;
2004-07-19 03:11:20 +08:00
unsigned single_connection:1;
unsigned unexpected_eof:1;
unsigned timedout:1;
unsigned closed:1;
unsigned sendfile:1;
unsigned sndlowat:1;
unsigned tcp_nodelay:2; /* ngx_connection_tcp_nodelay_e */
unsigned tcp_nopush:2; /* ngx_connection_tcp_nopush_e */
#if (NGX_HAVE_IOCP)
2004-07-19 03:11:20 +08:00
unsigned accept_context_updated:1;
2003-06-11 23:28:34 +08:00
#endif
2004-06-28 02:01:57 +08:00
#if (NGX_THREADS)
2004-07-19 03:11:20 +08:00
ngx_atomic_t lock;
2004-06-28 02:01:57 +08:00
#endif
};
2004-07-19 03:11:20 +08:00
#ifndef ngx_ssl_set_nosendshut
#define ngx_ssl_set_nosendshut(ssl)
#endif
ngx_listening_t *ngx_listening_inet_stream_socket(ngx_conf_t *cf,
in_addr_t addr, in_port_t port);
2004-01-07 00:49:34 +08:00
ngx_int_t ngx_set_inherited_sockets(ngx_cycle_t *cycle);
2004-01-06 04:55:48 +08:00
ngx_int_t ngx_open_listening_sockets(ngx_cycle_t *cycle);
void ngx_close_listening_sockets(ngx_cycle_t *cycle);
void ngx_close_connection(ngx_connection_t *c);
2004-02-09 15:46:43 +08:00
ngx_int_t ngx_connection_error(ngx_connection_t *c, ngx_err_t err, char *text);
2004-01-06 04:55:48 +08:00
ngx_connection_t *ngx_get_connection(ngx_socket_t s, ngx_log_t *log);
void ngx_free_connection(ngx_connection_t *c);
2003-05-20 00:39:14 +08:00
#endif /* _NGX_CONNECTION_H_INCLUDED_ */