annotate src/event/ngx_event_pipe.h @ 644:ad25218fd14b NGINX_1_0_12

nginx 1.0.12 *) Feature: the "TLSv1.1" and "TLSv1.2" parameters of the "ssl_protocols" directive. *) Feature: the "if" SSI command supports captures in regular expressions. *) Bugfix: the "if" SSI command did not work inside the "block" command. *) Bugfix: in AIO error handling on FreeBSD. *) Bugfix: in the OpenSSL library initialization. *) Bugfix: the "worker_cpu_affinity" directive might not work. *) Bugfix: the "limit_conn_log_level" and "limit_req_log_level" directives might not work. *) Bugfix: the "read_ahead" directive might not work combined with "try_files" and "open_file_cache". *) Bugfix: the "proxy_cache_use_stale" directive with "error" parameter did not return answer from cache if there were no live upstreams. *) Bugfix: a segmentation fault might occur in a worker process if small time was used in the "inactive" parameter of the "proxy_cache_path" directive. *) Bugfix: responses from cache might hang. *) Bugfix: in error handling while connecting to a backend. Thanks to Piotr Sikora. *) Bugfix: in the "epoll" event method. Thanks to Yichun Zhang. *) Bugfix: the $sent_http_cache_control variable might contain a wrong value if the "expires" directive was used. Thanks to Yichun Zhang. *) Bugfix: the "limit_rate" directive did not allow to use full throughput, even if limit value was very high. *) Bugfix: the "sendfile_max_chunk" directive did not work, if the "limit_rate" directive was used. *) Bugfix: nginx could not be built on Solaris; the bug had appeared in 1.0.11. *) Bugfix: in the ngx_http_scgi_module. *) Bugfix: in the ngx_http_mp4_module.
author Igor Sysoev <http://sysoev.ru>
date Mon, 06 Feb 2012 00:00:00 +0400
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2 /*
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3 * Copyright (C) Igor Sysoev
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4 * Copyright (C) Nginx, Inc.
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5 */
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8 #ifndef _NGX_EVENT_PIPE_H_INCLUDED_
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9 #define _NGX_EVENT_PIPE_H_INCLUDED_
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12 #include <ngx_config.h>
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13 #include <ngx_core.h>
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14 #include <ngx_event.h>
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17 typedef struct ngx_event_pipe_s ngx_event_pipe_t;
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19 typedef ngx_int_t (*ngx_event_pipe_input_filter_pt)(ngx_event_pipe_t *p,
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20 ngx_buf_t *buf);
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21 typedef ngx_int_t (*ngx_event_pipe_output_filter_pt)(void *data,
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22 ngx_chain_t *chain);
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25 struct ngx_event_pipe_s {
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26 ngx_connection_t *upstream;
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27 ngx_connection_t *downstream;
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29 ngx_chain_t *free_raw_bufs;
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30 ngx_chain_t *in;
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31 ngx_chain_t **last_in;
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33 ngx_chain_t *out;
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34 ngx_chain_t **last_out;
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36 ngx_chain_t *free;
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37 ngx_chain_t *busy;
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39 /*
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40 * the input filter i.e. that moves HTTP/1.1 chunks
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41 * from the raw bufs to an incoming chain
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42 */
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44 ngx_event_pipe_input_filter_pt input_filter;
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45 void *input_ctx;
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47 ngx_event_pipe_output_filter_pt output_filter;
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48 void *output_ctx;
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50 unsigned read:1;
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51 unsigned cacheable:1;
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52 unsigned single_buf:1;
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53 unsigned free_bufs:1;
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54 unsigned upstream_done:1;
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55 unsigned upstream_error:1;
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56 unsigned upstream_eof:1;
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57 unsigned upstream_blocked:1;
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58 unsigned downstream_done:1;
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59 unsigned downstream_error:1;
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60 unsigned cyclic_temp_file:1;
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62 ngx_int_t allocated;
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63 ngx_bufs_t bufs;
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64 ngx_buf_tag_t tag;
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66 ssize_t busy_size;
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68 off_t read_length;
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70 off_t max_temp_file_size;
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71 ssize_t temp_file_write_size;
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73 ngx_msec_t read_timeout;
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74 ngx_msec_t send_timeout;
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75 ssize_t send_lowat;
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77 ngx_pool_t *pool;
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78 ngx_log_t *log;
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80 ngx_chain_t *preread_bufs;
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81 size_t preread_size;
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82 ngx_buf_t *buf_to_file;
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84 ngx_temp_file_t *temp_file;
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86 /* STUB */ int num;
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87 };
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90 ngx_int_t ngx_event_pipe(ngx_event_pipe_t *p, ngx_int_t do_write);
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91 ngx_int_t ngx_event_pipe_copy_input_filter(ngx_event_pipe_t *p, ngx_buf_t *buf);
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92 ngx_int_t ngx_event_pipe_add_free_buf(ngx_event_pipe_t *p, ngx_buf_t *b);
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95 #endif /* _NGX_EVENT_PIPE_H_INCLUDED_ */