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annotate src/event/ngx_event_pipe.h @ 359:a3e622ab7ee7

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nginx-0.0.7-2004-06-18-10:09:25 import
author Igor Sysoev <igor@sysoev.ru>
date Fri, 18 Jun 2004 06:09:25 +0000
parents 6bdf858bff8c
children da8c5707af39
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1 #ifndef _NGX_EVENT_PIPE_H_INCLUDED_
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2 #define _NGX_EVENT_PIPE_H_INCLUDED_
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5 #include <ngx_config.h>
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6 #include <ngx_core.h>
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7 #include <ngx_event.h>
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10 typedef struct ngx_event_pipe_s ngx_event_pipe_t;
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12 typedef ngx_int_t (*ngx_event_pipe_input_filter_pt)(ngx_event_pipe_t *p,
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13 ngx_buf_t *buf);
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14 typedef ngx_int_t (*ngx_event_pipe_output_filter_pt)(void *data,
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15 ngx_chain_t *chain);
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18 struct ngx_event_pipe_s {
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19 ngx_connection_t *upstream;
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20 ngx_connection_t *downstream;
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22 ngx_chain_t *free_raw_bufs;
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23 ngx_chain_t *in;
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24 ngx_chain_t **last_in;
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26 ngx_chain_t *out;
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27 ngx_chain_t **last_out;
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29 ngx_chain_t *free;
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30 ngx_chain_t *busy;
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32 /*
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33 * the input filter i.e. that moves HTTP/1.1 chunks
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34 * from the raw bufs to an incoming chain
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35 */
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37 ngx_event_pipe_input_filter_pt input_filter;
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38 void *input_ctx;
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40 ngx_event_pipe_output_filter_pt output_filter;
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41 void *output_ctx;
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43 unsigned read:1;
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44 unsigned cachable:1;
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45 unsigned single_buf:1;
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46 unsigned free_bufs:1;
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47 unsigned upstream_done:1;
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48 unsigned upstream_error:1;
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49 unsigned upstream_eof:1;
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50 unsigned upstream_blocked:1;
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51 unsigned downstream_done:1;
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52 unsigned downstream_error:1;
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53 unsigned cyclic_temp_file:1;
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55 ngx_int_t allocated;
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56 ngx_bufs_t bufs;
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57 ngx_buf_tag_t tag;
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59 size_t busy_size;
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61 off_t read_length;
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63 off_t max_temp_file_size;
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64 ssize_t temp_file_write_size;
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66 ngx_msec_t read_timeout;
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67 ngx_msec_t send_timeout;
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68 ssize_t send_lowat;
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70 ngx_pool_t *pool;
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71 ngx_log_t *log;
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73 ngx_chain_t *preread_bufs;
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74 size_t preread_size;
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75 ngx_buf_t *buf_to_file;
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77 ngx_temp_file_t *temp_file;
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79 /* STUB */ int num;
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80 };
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83 ngx_int_t ngx_event_pipe(ngx_event_pipe_t *p, int do_write);
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84 ngx_int_t ngx_event_pipe_copy_input_filter(ngx_event_pipe_t *p, ngx_buf_t *buf);
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87 #endif /* _NGX_EVENT_PIPE_H_INCLUDED_ */