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/*
* Copyright (C) Igor Sysoev
*/
#ifndef _NGX_CONNECTION_H_INCLUDED_
#define _NGX_CONNECTION_H_INCLUDED_
#include <ngx_config.h>
#include <ngx_core.h>
typedef struct {
ngx_socket_t fd;
struct sockaddr *sockaddr;
socklen_t socklen; /* size of sockaddr */
int addr; /* offset to address in sockaddr */
int addr_text_max_len;
ngx_str_t addr_text;
int family;
int type;
int protocol;
void (*handler)(ngx_connection_t *c); /* handler of accepted
connection */
void *ctx; /* ngx_http_conf_ctx_t, for example */
void *servers; /* array of ngx_http_in_addr_t, for example */
ngx_log_t *log;
int backlog;
size_t pool_size;
size_t post_accept_buffer_size; /* should be here because
of the AcceptEx() preread */
time_t post_accept_timeout; /* should be here because
of the deferred accept */
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 nonblocking:1;
unsigned shared:1; /* shared between threads or processes */
#if (NGX_HAVE_DEFERRED_ACCEPT)
unsigned deferred_accept:1;
#endif
unsigned addr_ntop:1;
} ngx_listening_t;
typedef enum {
NGX_ERROR_CRIT = 0,
NGX_ERROR_ERR,
NGX_ERROR_INFO,
NGX_ERROR_IGNORE_ECONNRESET
} ngx_connection_log_error_e;
typedef enum {
NGX_TCP_NOPUSH_DISABLED = -1,
NGX_TCP_NOPUSH_UNSET = 0,
NGX_TCP_NOPUSH_SET
} ngx_connection_tcp_nopush_e;
struct ngx_connection_s {
void *data;
ngx_event_t *read;
ngx_event_t *write;
ngx_socket_t fd;
ngx_recv_pt recv;
ngx_send_chain_pt send_chain;
ngx_listening_t *listening;
off_t sent;
void *ctx;
void *servers;
ngx_log_t *log;
ngx_pool_t *pool;
struct sockaddr *sockaddr;
socklen_t socklen;
ngx_str_t addr_text;
#if (NGX_OPENSSL)
ngx_ssl_t *ssl;
#endif
#if (NGX_HAVE_IOCP)
struct sockaddr *local_sockaddr;
socklen_t local_socklen;
#endif
ngx_buf_t *buffer;
ngx_uint_t number;
unsigned log_error:2; /* ngx_connection_log_error_e */
unsigned buffered:1;
unsigned single_connection:1;
unsigned unexpected_eof:1;
unsigned timedout:1;
unsigned sendfile:1;
unsigned sndlowat:1;
unsigned tcp_nodelay:1;
signed tcp_nopush:2;
#if (NGX_HAVE_IOCP)
unsigned accept_context_updated:1;
#endif
#if (NGX_THREADS)
ngx_atomic_t lock;
#endif
};
#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);
ngx_int_t ngx_set_inherited_sockets(ngx_cycle_t *cycle);
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);
ngx_int_t ngx_connection_error(ngx_connection_t *c, ngx_err_t err, char *text);
extern ngx_os_io_t ngx_io;
#endif /* _NGX_CONNECTION_H_INCLUDED_ */
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