annotate src/event/ngx_event_pipe.h @ 22:8b6db3bda591 NGINX_0_1_11

nginx 0.1.11 *) Feature: the worker_priority directive. *) Change: both tcp_nopush and tcp_nodelay directives affect the transferred response. *) Bugfix: nginx did not call initgroups(). Thanks to Andrew Sitnikov and Andrei Nigmatulin. *) Change: now the ngx_http_autoindex_module shows the file size in the bytes. *) Bugfix: the ngx_http_autoindex_module returned the 500 error if the broken symlink was in a directory. *) Bugfix: the files bigger than 4G could not be transferred using sendfile. *) Bugfix: if the backend was resolved to several backends and there was an error while the response waiting then process may got caught in an endless loop. *) Bugfix: the worker process may exit with the "unknown cycle" message when the /dev/poll method was used. *) Bugfix: "close() channel failed" errors. *) Bugfix: the autodetection of the "nobody" and "nogroup" groups. *) Bugfix: the send_lowat directive did not work on Linux. *) Bugfix: the segmentation fault occurred if there was no events section in configuration. *) Bugfix: nginx could not be built on OpenBSD. *) Bugfix: the double slashes in "://" in the URI were converted to ":/".
author Igor Sysoev <http://sysoev.ru>
date Thu, 02 Dec 2004 00:00:00 +0300
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2 /*
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3 * Copyright (C) Igor Sysoev
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4 */
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7 #ifndef _NGX_EVENT_PIPE_H_INCLUDED_
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8 #define _NGX_EVENT_PIPE_H_INCLUDED_
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11 #include <ngx_config.h>
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12 #include <ngx_core.h>
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13 #include <ngx_event.h>
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16 typedef struct ngx_event_pipe_s ngx_event_pipe_t;
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18 typedef ngx_int_t (*ngx_event_pipe_input_filter_pt)(ngx_event_pipe_t *p,
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19 ngx_buf_t *buf);
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20 typedef ngx_int_t (*ngx_event_pipe_output_filter_pt)(void *data,
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21 ngx_chain_t *chain);
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24 struct ngx_event_pipe_s {
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25 ngx_connection_t *upstream;
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26 ngx_connection_t *downstream;
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28 ngx_chain_t *free_raw_bufs;
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29 ngx_chain_t *in;
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30 ngx_chain_t **last_in;
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32 ngx_chain_t *out;
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33 ngx_chain_t **last_out;
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35 ngx_chain_t *free;
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36 ngx_chain_t *busy;
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38 /*
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39 * the input filter i.e. that moves HTTP/1.1 chunks
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40 * from the raw bufs to an incoming chain
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41 */
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43 ngx_event_pipe_input_filter_pt input_filter;
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44 void *input_ctx;
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46 ngx_event_pipe_output_filter_pt output_filter;
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47 void *output_ctx;
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48
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49 unsigned read:1;
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50 unsigned cachable:1;
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51 unsigned single_buf:1;
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52 unsigned free_bufs:1;
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53 unsigned upstream_done:1;
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54 unsigned upstream_error:1;
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55 unsigned upstream_eof:1;
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56 unsigned upstream_blocked:1;
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57 unsigned downstream_done:1;
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58 unsigned downstream_error:1;
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59 unsigned cyclic_temp_file:1;
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61 ngx_int_t allocated;
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62 ngx_bufs_t bufs;
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63 ngx_buf_tag_t tag;
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64
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65 ssize_t busy_size;
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67 off_t read_length;
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69 off_t max_temp_file_size;
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70 ssize_t temp_file_write_size;
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72 ngx_msec_t read_timeout;
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73 ngx_msec_t send_timeout;
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74 ssize_t send_lowat;
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76 ngx_pool_t *pool;
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77 ngx_log_t *log;
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79 ngx_chain_t *preread_bufs;
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80 size_t preread_size;
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81 ngx_buf_t *buf_to_file;
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83 ngx_temp_file_t *temp_file;
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85 /* STUB */ int num;
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86 };
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89 ngx_int_t ngx_event_pipe(ngx_event_pipe_t *p, int do_write);
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90 ngx_int_t ngx_event_pipe_copy_input_filter(ngx_event_pipe_t *p, ngx_buf_t *buf);
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93 #endif /* _NGX_EVENT_PIPE_H_INCLUDED_ */