/* * Copyright (C) Igor Sysoev */ #ifndef _NGX_CONNECTION_H_INCLUDED_ #define _NGX_CONNECTION_H_INCLUDED_ #include #include 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 (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 (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 (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_ */