0
|
1
|
|
2 /*
|
|
3 * Copyright (C) Igor Sysoev
|
644
|
4 * Copyright (C) Nginx, Inc.
|
0
|
5 */
|
|
6
|
|
7
|
|
8 #ifndef _NGX_EVENT_PIPE_H_INCLUDED_
|
|
9 #define _NGX_EVENT_PIPE_H_INCLUDED_
|
|
10
|
|
11
|
|
12 #include <ngx_config.h>
|
|
13 #include <ngx_core.h>
|
|
14 #include <ngx_event.h>
|
|
15
|
|
16
|
|
17 typedef struct ngx_event_pipe_s ngx_event_pipe_t;
|
|
18
|
|
19 typedef ngx_int_t (*ngx_event_pipe_input_filter_pt)(ngx_event_pipe_t *p,
|
|
20 ngx_buf_t *buf);
|
|
21 typedef ngx_int_t (*ngx_event_pipe_output_filter_pt)(void *data,
|
|
22 ngx_chain_t *chain);
|
|
23
|
|
24
|
|
25 struct ngx_event_pipe_s {
|
|
26 ngx_connection_t *upstream;
|
|
27 ngx_connection_t *downstream;
|
|
28
|
|
29 ngx_chain_t *free_raw_bufs;
|
|
30 ngx_chain_t *in;
|
|
31 ngx_chain_t **last_in;
|
|
32
|
|
33 ngx_chain_t *out;
|
|
34 ngx_chain_t **last_out;
|
|
35
|
|
36 ngx_chain_t *free;
|
|
37 ngx_chain_t *busy;
|
|
38
|
|
39 /*
|
|
40 * the input filter i.e. that moves HTTP/1.1 chunks
|
|
41 * from the raw bufs to an incoming chain
|
|
42 */
|
|
43
|
|
44 ngx_event_pipe_input_filter_pt input_filter;
|
|
45 void *input_ctx;
|
|
46
|
|
47 ngx_event_pipe_output_filter_pt output_filter;
|
|
48 void *output_ctx;
|
|
49
|
|
50 unsigned read:1;
|
340
|
51 unsigned cacheable:1;
|
0
|
52 unsigned single_buf:1;
|
|
53 unsigned free_bufs:1;
|
|
54 unsigned upstream_done:1;
|
|
55 unsigned upstream_error:1;
|
|
56 unsigned upstream_eof:1;
|
|
57 unsigned upstream_blocked:1;
|
|
58 unsigned downstream_done:1;
|
|
59 unsigned downstream_error:1;
|
|
60 unsigned cyclic_temp_file:1;
|
|
61
|
|
62 ngx_int_t allocated;
|
|
63 ngx_bufs_t bufs;
|
|
64 ngx_buf_tag_t tag;
|
|
65
|
22
|
66 ssize_t busy_size;
|
0
|
67
|
|
68 off_t read_length;
|
|
69
|
|
70 off_t max_temp_file_size;
|
|
71 ssize_t temp_file_write_size;
|
|
72
|
|
73 ngx_msec_t read_timeout;
|
|
74 ngx_msec_t send_timeout;
|
|
75 ssize_t send_lowat;
|
|
76
|
|
77 ngx_pool_t *pool;
|
|
78 ngx_log_t *log;
|
|
79
|
|
80 ngx_chain_t *preread_bufs;
|
|
81 size_t preread_size;
|
|
82 ngx_buf_t *buf_to_file;
|
|
83
|
|
84 ngx_temp_file_t *temp_file;
|
|
85
|
|
86 /* STUB */ int num;
|
|
87 };
|
|
88
|
|
89
|
344
|
90 ngx_int_t ngx_event_pipe(ngx_event_pipe_t *p, ngx_int_t do_write);
|
0
|
91 ngx_int_t ngx_event_pipe_copy_input_filter(ngx_event_pipe_t *p, ngx_buf_t *buf);
|
32
|
92 ngx_int_t ngx_event_pipe_add_free_buf(ngx_event_pipe_t *p, ngx_buf_t *b);
|
0
|
93
|
|
94
|
|
95 #endif /* _NGX_EVENT_PIPE_H_INCLUDED_ */
|