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annotate src/event/ngx_event_proxy.h @ 150:ad5f382c9e7d

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nginx-0.0.1-2003-10-19-23:57:23 import
author Igor Sysoev <igor@sysoev.ru>
date Sun, 19 Oct 2003 19:57:23 +0000
parents 5afee0074707
children fb48bf4fea1c
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1 #ifndef _NGX_EVENT_PROXY_H_INCLUDED_
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2 #define _NGX_EVENT_PROXY_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_proxy_s ngx_event_proxy_t;
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12 typedef int (*ngx_event_proxy_input_filter_pt)(ngx_event_proxy_t *p,
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13 ngx_hunk_t *hunk);
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14 typedef int (*ngx_event_proxy_output_filter_pt)(void *data, ngx_hunk_t *hunk);
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17 struct ngx_event_proxy_s {
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18 ngx_chain_t *free_raw_hunks;
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19 ngx_chain_t *in;
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20 ngx_chain_t **last_in;
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22 ngx_chain_t *out;
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23 ngx_chain_t **last_out;
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25 ngx_chain_t *free;
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26 ngx_chain_t *busy;
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28 /*
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29 * the input filter i.e. that moves HTTP/1.1 chunks
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30 * from the raw hunks to an incoming chain
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31 */
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33 ngx_event_proxy_input_filter_pt input_filter;
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34 void *input_ctx;
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36 ngx_event_proxy_output_filter_pt output_filter;
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37 void *output_ctx;
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39 unsigned read:1;
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40 unsigned cachable:1;
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41 unsigned upstream_done:1;
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42 unsigned upstream_eof:1;
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43 unsigned upstream_error:1;
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44 unsigned downstream_done:1;
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45 unsigned downstream_error:1;
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47 int hunks;
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48 ngx_bufs_t bufs;
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50 size_t busy_len;
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51 size_t max_busy_len;
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53 off_t temp_offset;
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54 off_t max_temp_file_size;
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55 int temp_file_write_size;
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57 ngx_connection_t *upstream;
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58 ngx_connection_t *downstream;
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60 ngx_pool_t *pool;
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61 ngx_log_t *log;
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63 ngx_chain_t *preread_hunks;
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64 int preread_size;
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66 ngx_file_t *temp_file;
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67 ngx_path_t *temp_path;
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68 char *temp_file_warn;
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69 };
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72 int ngx_event_proxy(ngx_event_proxy_t *p, int do_write);
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73 int ngx_event_proxy_copy_input_filter(ngx_event_proxy_t *p, ngx_hunk_t *hunk);
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75 /* STUB */
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76 int ngx_event_proxy_read_upstream(ngx_event_proxy_t *p);
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77 int ngx_event_proxy_write_to_downstream(ngx_event_proxy_t *p);
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80 #endif /* _NGX_EVENT_PROXY_H_INCLUDED_ */