blob: 10a33402774ab0bc9d785c71ba52545d0eef5c6e [file] [log] [blame]
* Copyright (C) Igor Sysoev
* Copyright (C) Nginx, Inc.
#include <ngx_config.h>
#include <ngx_core.h>
#include <ngx_event.h>
typedef struct ngx_event_pipe_s ngx_event_pipe_t;
typedef ngx_int_t (*ngx_event_pipe_input_filter_pt)(ngx_event_pipe_t *p,
ngx_buf_t *buf);
typedef ngx_int_t (*ngx_event_pipe_output_filter_pt)(void *data,
ngx_chain_t *chain);
struct ngx_event_pipe_s {
ngx_connection_t *upstream;
ngx_connection_t *downstream;
ngx_chain_t *free_raw_bufs;
ngx_chain_t *in;
ngx_chain_t **last_in;
ngx_chain_t *writing;
ngx_chain_t *out;
ngx_chain_t *free;
ngx_chain_t *busy;
* the input filter i.e. that moves HTTP/1.1 chunks
* from the raw bufs to an incoming chain
ngx_event_pipe_input_filter_pt input_filter;
void *input_ctx;
ngx_event_pipe_output_filter_pt output_filter;
void *output_ctx;
ngx_int_t (*thread_handler)(ngx_thread_task_t *task,
ngx_file_t *file);
void *thread_ctx;
ngx_thread_task_t *thread_task;
unsigned read:1;
unsigned cacheable:1;
unsigned single_buf:1;
unsigned free_bufs:1;
unsigned upstream_done:1;
unsigned upstream_error:1;
unsigned upstream_eof:1;
unsigned upstream_blocked:1;
unsigned downstream_done:1;
unsigned downstream_error:1;
unsigned cyclic_temp_file:1;
unsigned aio:1;
ngx_int_t allocated;
ngx_bufs_t bufs;
ngx_buf_tag_t tag;
ssize_t busy_size;
off_t read_length;
off_t length;
off_t max_temp_file_size;
ssize_t temp_file_write_size;
ngx_msec_t read_timeout;
ngx_msec_t send_timeout;
ssize_t send_lowat;
ngx_pool_t *pool;
ngx_log_t *log;
ngx_chain_t *preread_bufs;
size_t preread_size;
ngx_buf_t *buf_to_file;
size_t limit_rate;
time_t start_sec;
ngx_temp_file_t *temp_file;
/* STUB */ int num;
ngx_int_t ngx_event_pipe(ngx_event_pipe_t *p, ngx_int_t do_write);
ngx_int_t ngx_event_pipe_copy_input_filter(ngx_event_pipe_t *p, ngx_buf_t *buf);
ngx_int_t ngx_event_pipe_add_free_buf(ngx_event_pipe_t *p, ngx_buf_t *b);