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#ifndef _NGX_CONNECTION_H_INCLUDED_
#define _NGX_CONNECTION_H_INCLUDED_
#include <ngx_config.h>
#include <ngx_core.h>
#include <ngx_event.h>
struct ngx_connection_s {
ngx_socket_t fd;
void *data;
#ifdef NGX_EVENT
ngx_event_t *read;
ngx_event_t *write;
#endif
off_t sent;
void (*handler)(ngx_connection_t *c);
void *ctx;
void *servers;
ngx_log_t *log;
ngx_pool_t *pool;
int pool_size;
int family;
struct sockaddr *sockaddr;
socklen_t socklen;
#if (HAVE_IOCP)
struct sockaddr *local_sockaddr;
socklen_t local_socklen;
void *listening;
#endif
int addr;
int addr_text_max_len;
ngx_str_t addr_text;
ngx_hunk_t *buffer;
unsigned int post_accept_timeout;
int number;
unsigned pipeline:1;
unsigned unexpected_eof:1;
unsigned tcp_nopush:1;
};
#if 0
cached file
int fd; -2 unused, -1 closed (but read or mmaped), >=0 open
char *name;
void *buf; addr if read or mmaped
aiocb* if aio_read
OVERLAPPED if TransmitFile or TransmitPackets
NULL if sendfile
size_t buf_size; for plain read
off_t offset; for plain read
size_t size;
time_t mod;
char *last_mod; 'Sun, 17 Mar 2002 19:39:50 GMT'
char *etag; '"a6d08-1302-3c94f106"'
char *len; '4866'
EV_VNODE should notify by some signal if diretory tree is changed
or stat if aged >= N seconds (big enough)
#endif
#if 0
typedef struct {
ssize_t (*recv)(ngx_connection_t *c, char *buf, size_t size);
void *dummy_recv_chain;
void *dummy_send;
ngx_chain_t *(*send_chain)(ngx_connection_t *c, ngx_chain_t *in);
} ngx_os_io_t;
#endif
extern ngx_os_io_t ngx_io;
extern ngx_chain_t *(*ngx_write_chain_proc)
(ngx_connection_t *c, ngx_chain_t *in);
ssize_t ngx_recv_chain(ngx_connection_t *c, ngx_chain_t *ce);
#if 0
ngx_chain_t *ngx_write_chain(ngx_connection_t *c, ngx_chain_t *in, off_t flush);
#endif
/* TODO: move it to OS specific file */
#if (__FreeBSD__)
ngx_chain_t *ngx_aio_write_chain(ngx_connection_t *c, ngx_chain_t *in);
#endif
#endif /* _NGX_CONNECTION_H_INCLUDED_ */
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