nginx/src/core/ngx_connection.h

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#ifndef _NGX_CONNECTION_H_INCLUDED_
#define _NGX_CONNECTION_H_INCLUDED_
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#include <ngx_config.h>
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#include <ngx_core.h>
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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;
int flags; /* Winsock2 flags */
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;
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size_t pool_size;
size_t post_accept_buffer_size; /* should be here because
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of the AcceptEx() preread */
time_t post_accept_timeout; /* should be here because
of the deferred accept */
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unsigned new:1;
unsigned remain:1;
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unsigned ignore:1;
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unsigned bound:1; /* already bound */
unsigned inherited:1; /* inherited from previous process */
unsigned nonblocking_accept:1;
unsigned nonblocking:1;
#if 0
unsigned overlapped:1; /* Winsock2 overlapped */
#endif
unsigned shared:1; /* shared between threads or processes */
#if (HAVE_DEFERRED_ACCEPT)
unsigned deferred_accept:1;
#endif
} ngx_listening_t;
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typedef enum {
NGX_ERROR_CRIT = 0,
NGX_ERROR_ERR,
NGX_ERROR_INFO,
NGX_ERROR_IGNORE_ECONNRESET
} ngx_connection_log_error_e;
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typedef enum {
NGX_TCP_NOPUSH_DISABLED = -1,
NGX_TCP_NOPUSH_UNSET = 0,
NGX_TCP_NOPUSH_SET
} ngx_connection_tcp_nopush_e;
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struct ngx_connection_s {
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void *data;
ngx_event_t *read;
ngx_event_t *write;
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ngx_socket_t fd;
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ngx_recv_pt recv;
ngx_send_chain_pt send_chain;
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ngx_listening_t *listening;
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off_t sent;
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void *ctx;
void *servers;
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ngx_log_t *log;
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ngx_pool_t *pool;
struct sockaddr *sockaddr;
socklen_t socklen;
ngx_str_t addr_text;
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#if (NGX_OPENSSL)
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ngx_ssl_t *ssl;
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#endif
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#if (HAVE_IOCP)
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struct sockaddr *local_sockaddr;
socklen_t local_socklen;
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#endif
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ngx_buf_t *buffer;
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ngx_uint_t number;
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unsigned log_error:2; /* ngx_connection_log_error_e */
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unsigned single_connection:1;
unsigned pipeline:1;
unsigned unexpected_eof:1;
unsigned timedout:1;
signed tcp_nopush:2;
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#if (HAVE_IOCP)
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unsigned accept_context_updated:1;
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#endif
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#if (NGX_THREADS)
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ngx_atomic_t lock;
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#endif
};
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#ifndef ngx_ssl_set_nosendshut
#define ngx_ssl_set_nosendshut(ssl)
#endif
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ngx_int_t ngx_set_inherited_sockets(ngx_cycle_t *cycle);
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ngx_int_t ngx_open_listening_sockets(ngx_cycle_t *cycle);
void ngx_close_listening_sockets(ngx_cycle_t *cycle);
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ngx_int_t ngx_connection_error(ngx_connection_t *c, ngx_err_t err, char *text);
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extern ngx_os_io_t ngx_io;
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#endif /* _NGX_CONNECTION_H_INCLUDED_ */