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annotate src/event/ngx_event_proxy.h @ 143:5526213be452

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nginx-0.0.1-2003-10-10-19:10:50 import
author Igor Sysoev <igor@sysoev.ru>
date Fri, 10 Oct 2003 15:10:50 +0000
parents 54307053f185
children 58557d0cccd1
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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_chain_t *chain);
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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 *read_hunks;
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19 ngx_chain_t *last_read_hunk;
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21 ngx_chain_t *file_hunks;
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23 ngx_chain_t *in_hunks;
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24 ngx_chain_t *last_in_hunk;
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26 ngx_chain_t *out_hunks;
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27 ngx_chain_t *last_out_hunk;
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29 ngx_chain_t *free_hunks;
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30 #if 0
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31 ngx_chain_t *last_free_hunk;
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32 #endif
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34 ngx_hunk_t *busy_hunk;
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36 ngx_event_proxy_input_filter_pt input_filter;
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37 void *input_data;
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39 ngx_event_proxy_output_filter_pt output_filter;
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40 void *output_data;
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42 unsigned cachable:1;
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43 unsigned block_upstream:1;
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44 unsigned upstream_eof:1;
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45 unsigned upstream_error:1;
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46 unsigned downstream_eof:1;
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47 unsigned downstream_error:1;
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49 int upstream_level;
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50 int downstream_level;
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52 int allocated;
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53 int block_size;
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54 int max_block_size;
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56 off_t temp_offset;
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57 off_t max_temp_file_size;
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58 int temp_file_write_size;
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60 ngx_connection_t *upstream;
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61 ngx_connection_t *downstream;
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63 ngx_pool_t *pool;
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64 ngx_log_t *log;
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66 ngx_chain_t *preread_hunks;
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67 #if 0
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68 ngx_chain_t *last_preread_hunk;
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69 #endif
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70 int preread_size;
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72 ngx_file_t *temp_file;
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73 ngx_path_t *temp_path;
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74 char *temp_file_warn;
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75 };
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78 int ngx_event_proxy_read_upstream(ngx_event_proxy_t *p);
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79 int ngx_event_proxy_write_to_downstream(ngx_event_proxy_t *p);
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80 int ngx_event_proxy_write_chain_to_temp_file(ngx_event_proxy_t *p);
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83 #endif /* _NGX_EVENT_PROXY_H_INCLUDED_ */