annotate src/http/modules/ngx_http_gzip_filter_module.c @ 58:b55cbf18157e NGINX_0_1_29

nginx 0.1.29 *) Feature: the ngx_http_ssi_module supports "include virtual" command. *) Feature: the ngx_http_ssi_module supports the condition command like 'if expr="$NAME"' and "else" and "endif" commands. Only one nested level is supported. *) Feature: the ngx_http_ssi_module supports the DATE_LOCAL and DATE_GMT variables and "config timefmt" command. *) Feature: the "ssi_ignore_recycled_buffers" directive. *) Bugfix: the "echo" command did not show the default value for the empty QUERY_STRING variable. *) Change: the ngx_http_proxy_module was rewritten. *) Feature: the "proxy_redirect", "proxy_pass_request_headers", "proxy_pass_request_body", and "proxy_method" directives. *) Feature: the "proxy_set_header" directive. The "proxy_x_var" was canceled and must be replaced with the proxy_set_header directive. *) Change: the "proxy_preserve_host" is canceled and must be replaced with the "proxy_set_header Host $host" and the "proxy_redirect off" directives, the "proxy_set_header Host $host:$proxy_port" directive and the appropriate proxy_redirect directives. *) Change: the "proxy_set_x_real_ip" is canceled and must be replaced with the "proxy_set_header X-Real-IP $remote_addr" directive. *) Change: the "proxy_add_x_forwarded_for" is canceled and must be replaced with the "proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for" directive. *) Change: the "proxy_set_x_url" is canceled and must be replaced with the "proxy_set_header X-URL http://$host:$server_port$request_uri" directive. *) Feature: the "fastcgi_param" directive. *) Change: the "fastcgi_root", "fastcgi_set_var" and "fastcgi_params" directive are canceled and must be replaced with the fastcgi_param directives. *) Feature: the "index" directive can use the variables. *) Feature: the "index" directive can be used at http and server levels. *) Change: the last index only in the "index" directive can be absolute. *) Feature: the "rewrite" directive can use the variables. *) Feature: the "internal" directive. *) Feature: the CONTENT_LENGTH, CONTENT_TYPE, REMOTE_PORT, SERVER_ADDR, SERVER_PORT, SERVER_PROTOCOL, DOCUMENT_ROOT, SERVER_NAME, REQUEST_METHOD, REQUEST_URI, and REMOTE_USER variables. *) Change: nginx now passes the invalid lines in a client request headers or a backend response header. *) Bugfix: if the backend did not transfer response for a long time and the "send_timeout" was less than "proxy_read_timeout", then nginx returned the 408 response. *) Bugfix: the segmentation fault was occurred if the backend sent an invalid line in response header; bug appeared in 0.1.26. *) Bugfix: the segmentation fault may occurred in FastCGI fault tolerance configuration. *) Bugfix: the "expires" directive did not remove the previous "Expires" and "Cache-Control" headers. *) Bugfix: nginx did not take into account trailing dot in "Host" header line. *) Bugfix: the ngx_http_auth_module did not work under Linux. *) Bugfix: the rewrite directive worked incorrectly, if the arguments were in a request. *) Bugfix: nginx could not be built on MacOS X.
author Igor Sysoev <http://sysoev.ru>
date Thu, 12 May 2005 00:00:00 +0400
parents 72eb30262aac
children 0790a8599248
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
50
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2 /*
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
3 * Copyright (C) Igor Sysoev
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
4 */
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
5
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
6
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
7 #include <ngx_config.h>
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
8 #include <ngx_core.h>
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
9 #include <ngx_http.h>
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
10
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
11 #include <zlib.h>
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
12
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
13
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
14 typedef struct {
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
15 ngx_flag_t enable;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
16 ngx_flag_t no_buffer;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
17
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
18 ngx_array_t *types; /* array of ngx_http_gzip_type_t */
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
19
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
20 ngx_bufs_t bufs;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
21
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
22 ngx_uint_t http_version;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
23 ngx_uint_t proxied;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
24
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
25 int level;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
26 size_t wbits;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
27 size_t memlevel;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
28 ssize_t min_length;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
29 } ngx_http_gzip_conf_t;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
30
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
31
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
32 typedef struct {
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
33 ngx_str_t name;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
34 ngx_uint_t enable;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
35 } ngx_http_gzip_type_t;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
36
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
37
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
38 #define NGX_HTTP_GZIP_PROXIED_OFF 0x0002
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
39 #define NGX_HTTP_GZIP_PROXIED_EXPIRED 0x0004
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
40 #define NGX_HTTP_GZIP_PROXIED_NO_CACHE 0x0008
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
41 #define NGX_HTTP_GZIP_PROXIED_NO_STORE 0x0010
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
42 #define NGX_HTTP_GZIP_PROXIED_PRIVATE 0x0020
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
43 #define NGX_HTTP_GZIP_PROXIED_NO_LM 0x0040
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
44 #define NGX_HTTP_GZIP_PROXIED_NO_ETAG 0x0080
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
45 #define NGX_HTTP_GZIP_PROXIED_AUTH 0x0100
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
46 #define NGX_HTTP_GZIP_PROXIED_ANY 0x0200
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
47
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
48
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
49 typedef struct {
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
50 ngx_chain_t *in;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
51 ngx_chain_t *free;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
52 ngx_chain_t *busy;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
53 ngx_chain_t *out;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
54 ngx_chain_t **last_out;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
55 ngx_buf_t *in_buf;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
56 ngx_buf_t *out_buf;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
57 ngx_int_t bufs;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
58
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
59 off_t length;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
60
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
61 void *preallocated;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
62 char *free_mem;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
63 ngx_uint_t allocated;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
64
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
65 unsigned flush:4;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
66 unsigned redo:1;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
67 unsigned done:1;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
68
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
69 size_t zin;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
70 size_t zout;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
71
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
72 uint32_t crc32;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
73 z_stream zstream;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
74 ngx_http_request_t *request;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
75 } ngx_http_gzip_ctx_t;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
76
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
77
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
78 static ngx_int_t ngx_http_gzip_proxied(ngx_http_request_t *r,
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
79 ngx_http_gzip_conf_t *conf);
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
80 static void *ngx_http_gzip_filter_alloc(void *opaque, u_int items,
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
81 u_int size);
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
82 static void ngx_http_gzip_filter_free(void *opaque, void *address);
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
83 static void ngx_http_gzip_error(ngx_http_gzip_ctx_t *ctx);
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
84
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
85 static u_char *ngx_http_gzip_log_ratio(ngx_http_request_t *r, u_char *buf,
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
86 ngx_http_log_op_t *op);
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
87
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
88 static ngx_int_t ngx_http_gzip_add_log_formats(ngx_conf_t *cf);
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
89
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
90 static ngx_int_t ngx_http_gzip_filter_init(ngx_cycle_t *cycle);
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
91 static void *ngx_http_gzip_create_conf(ngx_conf_t *cf);
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
92 static char *ngx_http_gzip_merge_conf(ngx_conf_t *cf,
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
93 void *parent, void *child);
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
94 static char *ngx_http_gzip_set_types(ngx_conf_t *cf, ngx_command_t *cmd,
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
95 void *conf);
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
96 static char *ngx_http_gzip_set_window(ngx_conf_t *cf, void *post, void *data);
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
97 static char *ngx_http_gzip_set_hash(ngx_conf_t *cf, void *post, void *data);
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
98
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
99
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
100 static ngx_conf_num_bounds_t ngx_http_gzip_comp_level_bounds = {
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
101 ngx_conf_check_num_bounds, 1, 9
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
102 };
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
103
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
104 static ngx_conf_post_handler_pt ngx_http_gzip_set_window_p =
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
105 ngx_http_gzip_set_window;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
106 static ngx_conf_post_handler_pt ngx_http_gzip_set_hash_p =
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
107 ngx_http_gzip_set_hash;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
108
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
109
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
110
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
111 static ngx_conf_enum_t ngx_http_gzip_http_version[] = {
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
112 { ngx_string("1.0"), NGX_HTTP_VERSION_10 },
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
113 { ngx_string("1.1"), NGX_HTTP_VERSION_11 },
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
114 { ngx_null_string, 0 }
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
115 };
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
116
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
117
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
118 static ngx_conf_bitmask_t ngx_http_gzip_proxied_mask[] = {
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
119 { ngx_string("off"), NGX_HTTP_GZIP_PROXIED_OFF },
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
120 { ngx_string("expired"), NGX_HTTP_GZIP_PROXIED_EXPIRED },
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
121 { ngx_string("no-cache"), NGX_HTTP_GZIP_PROXIED_NO_CACHE },
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
122 { ngx_string("no-store"), NGX_HTTP_GZIP_PROXIED_NO_STORE },
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
123 { ngx_string("private"), NGX_HTTP_GZIP_PROXIED_PRIVATE },
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
124 { ngx_string("no_last_modified"), NGX_HTTP_GZIP_PROXIED_NO_LM },
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
125 { ngx_string("no_etag"), NGX_HTTP_GZIP_PROXIED_NO_ETAG },
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
126 { ngx_string("auth"), NGX_HTTP_GZIP_PROXIED_AUTH },
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
127 { ngx_string("any"), NGX_HTTP_GZIP_PROXIED_ANY },
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
128 { ngx_null_string, 0 }
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
129 };
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
130
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
131
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
132 static ngx_command_t ngx_http_gzip_filter_commands[] = {
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
133
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
134 { ngx_string("gzip"),
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
135 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_HTTP_LIF_CONF
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
136 |NGX_CONF_FLAG,
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
137 ngx_conf_set_flag_slot,
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
138 NGX_HTTP_LOC_CONF_OFFSET,
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
139 offsetof(ngx_http_gzip_conf_t, enable),
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
140 NULL },
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
141
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
142 { ngx_string("gzip_buffers"),
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
143 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE2,
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
144 ngx_conf_set_bufs_slot,
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
145 NGX_HTTP_LOC_CONF_OFFSET,
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
146 offsetof(ngx_http_gzip_conf_t, bufs),
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
147 NULL },
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
148
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
149 { ngx_string("gzip_types"),
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
150 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE,
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
151 ngx_http_gzip_set_types,
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
152 NGX_HTTP_LOC_CONF_OFFSET,
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
153 0,
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
154 NULL },
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
155
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
156 { ngx_string("gzip_comp_level"),
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
157 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
158 ngx_conf_set_num_slot,
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
159 NGX_HTTP_LOC_CONF_OFFSET,
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
160 offsetof(ngx_http_gzip_conf_t, level),
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
161 &ngx_http_gzip_comp_level_bounds },
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
162
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
163 { ngx_string("gzip_window"),
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
164 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
165 ngx_conf_set_size_slot,
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
166 NGX_HTTP_LOC_CONF_OFFSET,
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
167 offsetof(ngx_http_gzip_conf_t, wbits),
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
168 &ngx_http_gzip_set_window_p },
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
169
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
170 { ngx_string("gzip_hash"),
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
171 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
172 ngx_conf_set_size_slot,
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
173 NGX_HTTP_LOC_CONF_OFFSET,
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
174 offsetof(ngx_http_gzip_conf_t, memlevel),
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
175 &ngx_http_gzip_set_hash_p },
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
176
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
177 { ngx_string("gzip_no_buffer"),
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
178 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
179 ngx_conf_set_flag_slot,
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
180 NGX_HTTP_LOC_CONF_OFFSET,
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
181 offsetof(ngx_http_gzip_conf_t, no_buffer),
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
182 NULL },
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
183
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
184 { ngx_string("gzip_http_version"),
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
185 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_ANY,
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
186 ngx_conf_set_enum_slot,
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
187 NGX_HTTP_LOC_CONF_OFFSET,
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
188 offsetof(ngx_http_gzip_conf_t, http_version),
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
189 &ngx_http_gzip_http_version },
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
190
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
191 { ngx_string("gzip_proxied"),
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
192 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_ANY,
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
193 ngx_conf_set_bitmask_slot,
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
194 NGX_HTTP_LOC_CONF_OFFSET,
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
195 offsetof(ngx_http_gzip_conf_t, proxied),
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
196 &ngx_http_gzip_proxied_mask },
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
197
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
198 { ngx_string("gzip_min_length"),
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
199 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
200 ngx_conf_set_size_slot,
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
201 NGX_HTTP_LOC_CONF_OFFSET,
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
202 offsetof(ngx_http_gzip_conf_t, min_length),
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
203 NULL },
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
204
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
205 ngx_null_command
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
206 };
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
207
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
208
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
209 static ngx_http_module_t ngx_http_gzip_filter_module_ctx = {
58
b55cbf18157e nginx 0.1.29
Igor Sysoev <http://sysoev.ru>
parents: 50
diff changeset
210 ngx_http_gzip_add_log_formats, /* preconfiguration */
b55cbf18157e nginx 0.1.29
Igor Sysoev <http://sysoev.ru>
parents: 50
diff changeset
211 NULL, /* postconfiguration */
50
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
212
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
213 NULL, /* create main configuration */
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
214 NULL, /* init main configuration */
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
215
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
216 NULL, /* create server configuration */
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
217 NULL, /* merge server configuration */
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
218
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
219 ngx_http_gzip_create_conf, /* create location configuration */
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
220 ngx_http_gzip_merge_conf /* merge location configuration */
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
221 };
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
222
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
223
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
224 ngx_module_t ngx_http_gzip_filter_module = {
58
b55cbf18157e nginx 0.1.29
Igor Sysoev <http://sysoev.ru>
parents: 50
diff changeset
225 NGX_MODULE_V1,
50
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
226 &ngx_http_gzip_filter_module_ctx, /* module context */
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
227 ngx_http_gzip_filter_commands, /* module directives */
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
228 NGX_HTTP_MODULE, /* module type */
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
229 ngx_http_gzip_filter_init, /* init module */
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
230 NULL /* init process */
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
231 };
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
232
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
233
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
234 static ngx_http_log_op_name_t ngx_http_gzip_log_fmt_ops[] = {
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
235 { ngx_string("gzip_ratio"), NGX_INT32_LEN + 3,
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
236 NULL, NULL, ngx_http_gzip_log_ratio },
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
237 { ngx_null_string, 0, NULL, NULL, NULL }
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
238 };
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
239
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
240
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
241
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
242 static u_char gzheader[10] = { 0x1f, 0x8b, Z_DEFLATED, 0, 0, 0, 0, 0, 0, 3 };
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
243
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
244 #if (NGX_HAVE_LITTLE_ENDIAN && NGX_HAVE_NONALIGNED)
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
245
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
246 struct gztrailer {
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
247 uint32_t crc32;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
248 uint32_t zlen;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
249 };
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
250
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
251 #else /* NGX_HAVE_BIG_ENDIAN || !NGX_HAVE_NONALIGNED */
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
252
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
253 struct gztrailer {
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
254 u_char crc32[4];
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
255 u_char zlen[4];
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
256 };
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
257
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
258 #endif
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
259
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
260
58
b55cbf18157e nginx 0.1.29
Igor Sysoev <http://sysoev.ru>
parents: 50
diff changeset
261 static ngx_str_t ngx_http_gzip_no_cache = ngx_string("no-cache");
b55cbf18157e nginx 0.1.29
Igor Sysoev <http://sysoev.ru>
parents: 50
diff changeset
262 static ngx_str_t ngx_http_gzip_no_store = ngx_string("no-store");
b55cbf18157e nginx 0.1.29
Igor Sysoev <http://sysoev.ru>
parents: 50
diff changeset
263 static ngx_str_t ngx_http_gzip_private = ngx_string("private");
b55cbf18157e nginx 0.1.29
Igor Sysoev <http://sysoev.ru>
parents: 50
diff changeset
264
b55cbf18157e nginx 0.1.29
Igor Sysoev <http://sysoev.ru>
parents: 50
diff changeset
265
50
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
266 static ngx_http_output_header_filter_pt ngx_http_next_header_filter;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
267 static ngx_http_output_body_filter_pt ngx_http_next_body_filter;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
268
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
269
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
270 static ngx_int_t
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
271 ngx_http_gzip_header_filter(ngx_http_request_t *r)
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
272 {
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
273 ngx_uint_t i, found;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
274 ngx_http_gzip_ctx_t *ctx;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
275 ngx_http_gzip_conf_t *conf;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
276 ngx_http_gzip_type_t *type;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
277
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
278 conf = ngx_http_get_module_loc_conf(r, ngx_http_gzip_filter_module);
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
279
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
280 if (!conf->enable
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
281 || (r->headers_out.status != NGX_HTTP_OK
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
282 && r->headers_out.status != NGX_HTTP_FORBIDDEN
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
283 && r->headers_out.status != NGX_HTTP_NOT_FOUND)
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
284 || r->header_only
58
b55cbf18157e nginx 0.1.29
Igor Sysoev <http://sysoev.ru>
parents: 50
diff changeset
285 || r->main
50
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
286 || r->http_version < conf->http_version
58
b55cbf18157e nginx 0.1.29
Igor Sysoev <http://sysoev.ru>
parents: 50
diff changeset
287 || r->headers_out.content_type.len == 0
50
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
288 || (r->headers_out.content_encoding
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
289 && r->headers_out.content_encoding->value.len)
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
290 || r->headers_in.accept_encoding == NULL
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
291 || (r->headers_out.content_length_n != -1
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
292 && r->headers_out.content_length_n < conf->min_length)
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
293 || ngx_strstr(r->headers_in.accept_encoding->value.data, "gzip") == NULL
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
294 )
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
295 {
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
296 return ngx_http_next_header_filter(r);
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
297 }
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
298
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
299
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
300 found = 0;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
301 type = conf->types->elts;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
302
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
303 for (i = 0; i < conf->types->nelts; i++) {
58
b55cbf18157e nginx 0.1.29
Igor Sysoev <http://sysoev.ru>
parents: 50
diff changeset
304 if (r->headers_out.content_type.len >= type[i].name.len
b55cbf18157e nginx 0.1.29
Igor Sysoev <http://sysoev.ru>
parents: 50
diff changeset
305 && ngx_strncasecmp(r->headers_out.content_type.data,
50
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
306 type[i].name.data, type[i].name.len) == 0)
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
307 {
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
308 found = 1;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
309 break;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
310 }
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
311 }
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
312
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
313 if (!found) {
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
314 return ngx_http_next_header_filter(r);
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
315 }
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
316
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
317
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
318 if (r->headers_in.via) {
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
319 if (conf->proxied & NGX_HTTP_GZIP_PROXIED_OFF) {
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
320 return ngx_http_next_header_filter(r);
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
321 }
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
322
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
323 if (!(conf->proxied & NGX_HTTP_GZIP_PROXIED_ANY)
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
324 && ngx_http_gzip_proxied(r, conf) == NGX_DECLINED)
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
325 {
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
326 return ngx_http_next_header_filter(r);
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
327 }
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
328 }
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
329
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
330
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
331 /*
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
332 * if the URL (without the "http://" prefix) is longer than 253 bytes
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
333 * then MSIE 4.x can not handle the compressed stream - it waits too long,
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
334 * hangs up or crashes
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
335 */
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
336
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
337 if (r->headers_in.msie4 && r->unparsed_uri.len > 200) {
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
338 return ngx_http_next_header_filter(r);
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
339 }
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
340
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
341 ctx = ngx_pcalloc(r->pool, sizeof(ngx_http_gzip_ctx_t));
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
342 if (ctx == NULL) {
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
343 return NGX_ERROR;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
344 }
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
345
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
346 ngx_http_set_ctx(r, ctx, ngx_http_gzip_filter_module);
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
347
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
348
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
349 ctx->request = r;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
350
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
351 r->headers_out.content_encoding = ngx_list_push(&r->headers_out.headers);
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
352 if (r->headers_out.content_encoding == NULL) {
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
353 return NGX_ERROR;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
354 }
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
355
58
b55cbf18157e nginx 0.1.29
Igor Sysoev <http://sysoev.ru>
parents: 50
diff changeset
356 r->headers_out.content_encoding->hash = 1;
50
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
357 r->headers_out.content_encoding->key.len = sizeof("Content-Encoding") - 1;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
358 r->headers_out.content_encoding->key.data = (u_char *) "Content-Encoding";
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
359 r->headers_out.content_encoding->value.len = sizeof("gzip") - 1;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
360 r->headers_out.content_encoding->value.data = (u_char *) "gzip";
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
361
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
362 ctx->length = r->headers_out.content_length_n;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
363 r->headers_out.content_length_n = -1;
58
b55cbf18157e nginx 0.1.29
Igor Sysoev <http://sysoev.ru>
parents: 50
diff changeset
364
50
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
365 if (r->headers_out.content_length) {
58
b55cbf18157e nginx 0.1.29
Igor Sysoev <http://sysoev.ru>
parents: 50
diff changeset
366 r->headers_out.content_length->hash = 0;
50
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
367 r->headers_out.content_length = NULL;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
368 }
58
b55cbf18157e nginx 0.1.29
Igor Sysoev <http://sysoev.ru>
parents: 50
diff changeset
369
50
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
370 r->filter_need_in_memory = 1;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
371
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
372 return ngx_http_next_header_filter(r);
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
373 }
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
374
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
375
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
376 static ngx_int_t
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
377 ngx_http_gzip_proxied(ngx_http_request_t *r, ngx_http_gzip_conf_t *conf)
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
378 {
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
379 time_t date, expires;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
380
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
381 if (r->headers_in.authorization
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
382 && (conf->proxied & NGX_HTTP_GZIP_PROXIED_AUTH))
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
383 {
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
384 return NGX_OK;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
385 }
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
386
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
387 if (r->headers_out.expires) {
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
388
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
389 if (!(conf->proxied & NGX_HTTP_GZIP_PROXIED_EXPIRED)) {
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
390 return NGX_DECLINED;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
391 }
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
392
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
393 expires = ngx_http_parse_time(r->headers_out.expires->value.data,
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
394 r->headers_out.expires->value.len);
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
395 if (expires == NGX_ERROR) {
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
396 return NGX_DECLINED;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
397 }
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
398
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
399 if (r->headers_out.date) {
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
400 date = ngx_http_parse_time(r->headers_out.date->value.data,
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
401 r->headers_out.date->value.len);
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
402 if (date == NGX_ERROR) {
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
403 return NGX_DECLINED;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
404 }
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
405
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
406 } else {
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
407 date = ngx_time();
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
408 }
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
409
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
410 if (expires < date) {
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
411 return NGX_OK;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
412 }
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
413
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
414 return NGX_DECLINED;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
415 }
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
416
58
b55cbf18157e nginx 0.1.29
Igor Sysoev <http://sysoev.ru>
parents: 50
diff changeset
417 if (r->headers_out.cache_control.elts) {
50
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
418
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
419 if ((conf->proxied & NGX_HTTP_GZIP_PROXIED_NO_CACHE)
58
b55cbf18157e nginx 0.1.29
Igor Sysoev <http://sysoev.ru>
parents: 50
diff changeset
420 && ngx_http_parse_multi_header_lines(&r->headers_out.cache_control,
b55cbf18157e nginx 0.1.29
Igor Sysoev <http://sysoev.ru>
parents: 50
diff changeset
421 &ngx_http_gzip_no_cache, NULL) >= 0)
50
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
422 {
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
423 return NGX_OK;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
424 }
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
425
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
426 if ((conf->proxied & NGX_HTTP_GZIP_PROXIED_NO_STORE)
58
b55cbf18157e nginx 0.1.29
Igor Sysoev <http://sysoev.ru>
parents: 50
diff changeset
427 && ngx_http_parse_multi_header_lines(&r->headers_out.cache_control,
b55cbf18157e nginx 0.1.29
Igor Sysoev <http://sysoev.ru>
parents: 50
diff changeset
428 &ngx_http_gzip_no_store, NULL) >= 0)
50
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
429 {
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
430 return NGX_OK;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
431 }
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
432
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
433 if ((conf->proxied & NGX_HTTP_GZIP_PROXIED_PRIVATE)
58
b55cbf18157e nginx 0.1.29
Igor Sysoev <http://sysoev.ru>
parents: 50
diff changeset
434 && ngx_http_parse_multi_header_lines(&r->headers_out.cache_control,
b55cbf18157e nginx 0.1.29
Igor Sysoev <http://sysoev.ru>
parents: 50
diff changeset
435 &ngx_http_gzip_private, NULL) >= 0)
50
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
436 {
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
437 return NGX_OK;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
438 }
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
439
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
440 return NGX_DECLINED;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
441 }
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
442
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
443 if ((conf->proxied & NGX_HTTP_GZIP_PROXIED_NO_LM)
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
444 && r->headers_out.last_modified)
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
445 {
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
446 return NGX_DECLINED;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
447 }
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
448
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
449 if ((conf->proxied & NGX_HTTP_GZIP_PROXIED_NO_ETAG)
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
450 && r->headers_out.etag)
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
451 {
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
452 return NGX_DECLINED;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
453 }
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
454
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
455 return NGX_OK;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
456 }
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
457
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
458
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
459 static ngx_int_t
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
460 ngx_http_gzip_body_filter(ngx_http_request_t *r, ngx_chain_t *in)
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
461 {
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
462 int rc, wbits, memlevel;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
463 ngx_int_t last;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
464 struct gztrailer *trailer;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
465 ngx_buf_t *b;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
466 ngx_chain_t *cl, out;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
467 ngx_http_gzip_ctx_t *ctx;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
468 ngx_http_gzip_conf_t *conf;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
469
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
470 ctx = ngx_http_get_module_ctx(r, ngx_http_gzip_filter_module);
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
471
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
472 if (ctx == NULL || ctx->done) {
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
473 return ngx_http_next_body_filter(r, in);
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
474 }
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
475
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
476 conf = ngx_http_get_module_loc_conf(r, ngx_http_gzip_filter_module);
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
477
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
478 if (ctx->preallocated == NULL) {
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
479 wbits = conf->wbits;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
480 memlevel = conf->memlevel;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
481
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
482 if (ctx->length > 0) {
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
483
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
484 /* the actual zlib window size is smaller by 262 bytes */
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
485
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
486 while (ctx->length < ((1 << (wbits - 1)) - 262)) {
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
487 wbits--;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
488 memlevel--;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
489 }
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
490 }
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
491
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
492 /*
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
493 * We preallocate a memory for zlib in one buffer (200K-400K), this
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
494 * decreases a number of malloc() and free() calls and also probably
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
495 * decreases a number of syscalls (sbrk() and so on).
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
496 * Besides we free this memory as soon as the gzipping will complete
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
497 * and do not wait while a whole response will be sent to a client.
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
498 *
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
499 * 8K is for zlib deflate_state, it takes
58
b55cbf18157e nginx 0.1.29
Igor Sysoev <http://sysoev.ru>
parents: 50
diff changeset
500 * *) 5816 bytes on i386 and sparc64 (32-bit mode)
b55cbf18157e nginx 0.1.29
Igor Sysoev <http://sysoev.ru>
parents: 50
diff changeset
501 * *) 5920 bytes on amd64 and sparc64
50
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
502 */
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
503
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
504 ctx->allocated = 8192 + (1 << (wbits + 2)) + (1 << (memlevel + 9));
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
505
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
506 ctx->preallocated = ngx_palloc(r->pool, ctx->allocated);
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
507 if (ctx->preallocated == NULL) {
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
508 return NGX_ERROR;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
509 }
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
510
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
511 ctx->free_mem = ctx->preallocated;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
512
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
513 ctx->zstream.zalloc = ngx_http_gzip_filter_alloc;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
514 ctx->zstream.zfree = ngx_http_gzip_filter_free;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
515 ctx->zstream.opaque = ctx;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
516
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
517 rc = deflateInit2(&ctx->zstream, conf->level, Z_DEFLATED,
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
518 -wbits, memlevel, Z_DEFAULT_STRATEGY);
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
519
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
520 if (rc != Z_OK) {
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
521 ngx_log_error(NGX_LOG_ALERT, r->connection->log, 0,
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
522 "deflateInit2() failed: %d", rc);
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
523 ngx_http_gzip_error(ctx);
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
524 return NGX_ERROR;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
525 }
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
526
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
527 b = ngx_pcalloc(r->pool, sizeof(ngx_buf_t));
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
528 if (b == NULL) {
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
529 ngx_http_gzip_error(ctx);
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
530 return NGX_ERROR;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
531 }
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
532
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
533 b->memory = 1;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
534 b->pos = gzheader;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
535 b->last = b->pos + 10;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
536
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
537 out.buf = b;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
538 out.next = NULL;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
539
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
540 /*
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
541 * We pass the gzheader to the next filter now to avoid its linking
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
542 * to the ctx->busy chain. zlib does not usually output the compressed
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
543 * data in the initial iterations, so the gzheader that was linked
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
544 * to the ctx->busy chain would be flushed by ngx_http_write_filter().
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
545 */
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
546
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
547 if (ngx_http_next_body_filter(r, &out) == NGX_ERROR) {
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
548 ngx_http_gzip_error(ctx);
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
549 return NGX_ERROR;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
550 }
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
551
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
552 ctx->last_out = &ctx->out;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
553
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
554 ctx->crc32 = crc32(0L, Z_NULL, 0);
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
555 ctx->flush = Z_NO_FLUSH;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
556 }
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
557
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
558 if (in) {
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
559 if (ngx_chain_add_copy(r->pool, &ctx->in, in) == NGX_ERROR) {
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
560 ngx_http_gzip_error(ctx);
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
561 return NGX_ERROR;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
562 }
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
563 }
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
564
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
565 last = NGX_NONE;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
566
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
567 for ( ;; ) {
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
568
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
569 for ( ;; ) {
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
570
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
571 /* does zlib need a new data ? */
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
572
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
573 if (ctx->zstream.avail_in == 0
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
574 && ctx->flush == Z_NO_FLUSH
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
575 && !ctx->redo)
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
576 {
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
577 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
578 "gzip in: %p", ctx->in);
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
579
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
580 if (ctx->in == NULL) {
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
581 break;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
582 }
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
583
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
584 ctx->in_buf = ctx->in->buf;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
585 ctx->in = ctx->in->next;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
586
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
587 ctx->zstream.next_in = ctx->in_buf->pos;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
588 ctx->zstream.avail_in = ctx->in_buf->last - ctx->in_buf->pos;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
589
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
590 ngx_log_debug3(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
591 "gzip in_buf:%p ni:%p ai:%ud",
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
592 ctx->in_buf,
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
593 ctx->zstream.next_in, ctx->zstream.avail_in);
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
594
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
595 /* STUB */
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
596 if (ctx->in_buf->last < ctx->in_buf->pos) {
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
597 ngx_log_error(NGX_LOG_ALERT, r->connection->log, 0,
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
598 "zstream.avail_in is huge");
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
599 ctx->done = 1;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
600 return NGX_ERROR;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
601 }
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
602 /**/
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
603
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
604 if (ctx->in_buf->last_buf) {
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
605 ctx->flush = Z_FINISH;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
606
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
607 } else if (ctx->in_buf->flush) {
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
608 ctx->flush = Z_SYNC_FLUSH;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
609 }
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
610
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
611 if (ctx->zstream.avail_in == 0) {
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
612 if (ctx->flush == Z_NO_FLUSH) {
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
613 continue;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
614 }
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
615
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
616 } else {
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
617 ctx->crc32 = crc32(ctx->crc32, ctx->zstream.next_in,
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
618 ctx->zstream.avail_in);
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
619 }
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
620 }
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
621
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
622
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
623 /* is there a space for the gzipped data ? */
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
624
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
625 if (ctx->zstream.avail_out == 0) {
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
626
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
627 if (ctx->free) {
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
628 ctx->out_buf = ctx->free->buf;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
629 ctx->free = ctx->free->next;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
630
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
631 } else if (ctx->bufs < conf->bufs.num) {
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
632 ctx->out_buf = ngx_create_temp_buf(r->pool,
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
633 conf->bufs.size);
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
634 if (ctx->out_buf == NULL) {
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
635 ngx_http_gzip_error(ctx);
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
636 return NGX_ERROR;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
637 }
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
638
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
639 ctx->out_buf->tag = (ngx_buf_tag_t)
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
640 &ngx_http_gzip_filter_module;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
641 ctx->out_buf->recycled = 1;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
642 ctx->bufs++;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
643
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
644 } else {
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
645 break;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
646 }
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
647
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
648 ctx->zstream.next_out = ctx->out_buf->pos;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
649 ctx->zstream.avail_out = conf->bufs.size;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
650 }
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
651
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
652 ngx_log_debug6(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
653 "deflate in: ni:%p no:%p ai:%ud ao:%ud fl:%d redo:%d",
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
654 ctx->zstream.next_in, ctx->zstream.next_out,
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
655 ctx->zstream.avail_in, ctx->zstream.avail_out,
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
656 ctx->flush, ctx->redo);
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
657
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
658 rc = deflate(&ctx->zstream, ctx->flush);
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
659
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
660 if (rc != Z_OK && rc != Z_STREAM_END) {
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
661 ngx_log_error(NGX_LOG_ALERT, r->connection->log, 0,
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
662 "deflate() failed: %d, %d", ctx->flush, rc);
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
663 ngx_http_gzip_error(ctx);
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
664 return NGX_ERROR;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
665 }
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
666
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
667 ngx_log_debug5(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
668 "deflate out: ni:%p no:%p ai:%ud ao:%ud rc:%d",
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
669 ctx->zstream.next_in, ctx->zstream.next_out,
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
670 ctx->zstream.avail_in, ctx->zstream.avail_out,
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
671 rc);
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
672
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
673 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
674 "gzip in_buf:%p pos:%p",
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
675 ctx->in_buf, ctx->in_buf->pos);
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
676
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
677
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
678 if (ctx->zstream.next_in) {
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
679 ctx->in_buf->pos = ctx->zstream.next_in;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
680
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
681 if (ctx->zstream.avail_in == 0) {
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
682 ctx->zstream.next_in = NULL;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
683 }
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
684 }
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
685
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
686 ctx->out_buf->last = ctx->zstream.next_out;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
687
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
688 if (ctx->zstream.avail_out == 0) {
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
689
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
690 /* zlib wants to output some more gzipped data */
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
691
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
692 cl = ngx_alloc_chain_link(r->pool);
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
693 if (cl == NULL) {
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
694 ngx_http_gzip_error(ctx);
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
695 return NGX_ERROR;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
696 }
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
697
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
698 cl->buf = ctx->out_buf;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
699 cl->next = NULL;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
700 *ctx->last_out = cl;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
701 ctx->last_out = &cl->next;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
702
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
703 ctx->redo = 1;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
704
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
705 continue;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
706 }
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
707
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
708 ctx->redo = 0;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
709
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
710 if (ctx->flush == Z_SYNC_FLUSH) {
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
711
58
b55cbf18157e nginx 0.1.29
Igor Sysoev <http://sysoev.ru>
parents: 50
diff changeset
712 ctx->zstream.avail_out = 0;
b55cbf18157e nginx 0.1.29
Igor Sysoev <http://sysoev.ru>
parents: 50
diff changeset
713 ctx->out_buf->flush = 1;
50
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
714 ctx->flush = Z_NO_FLUSH;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
715
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
716 cl = ngx_alloc_chain_link(r->pool);
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
717 if (cl == NULL) {
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
718 ngx_http_gzip_error(ctx);
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
719 return NGX_ERROR;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
720 }
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
721
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
722 cl->buf = ctx->out_buf;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
723 cl->next = NULL;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
724 *ctx->last_out = cl;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
725 ctx->last_out = &cl->next;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
726
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
727 break;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
728 }
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
729
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
730 if (rc == Z_STREAM_END) {
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
731
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
732 ctx->zin = ctx->zstream.total_in;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
733 ctx->zout = 10 + ctx->zstream.total_out + 8;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
734
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
735 rc = deflateEnd(&ctx->zstream);
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
736
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
737 if (rc != Z_OK) {
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
738 ngx_log_error(NGX_LOG_ALERT, r->connection->log, 0,
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
739 "deflateEnd() failed: %d", rc);
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
740 ngx_http_gzip_error(ctx);
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
741 return NGX_ERROR;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
742 }
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
743
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
744 ngx_pfree(r->pool, ctx->preallocated);
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
745
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
746 cl = ngx_alloc_chain_link(r->pool);
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
747 if (cl == NULL) {
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
748 ngx_http_gzip_error(ctx);
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
749 return NGX_ERROR;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
750 }
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
751
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
752 cl->buf = ctx->out_buf;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
753 cl->next = NULL;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
754 *ctx->last_out = cl;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
755 ctx->last_out = &cl->next;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
756
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
757 if (ctx->zstream.avail_out >= 8) {
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
758 trailer = (struct gztrailer *) ctx->out_buf->last;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
759 ctx->out_buf->last += 8;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
760 ctx->out_buf->last_buf = 1;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
761
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
762 } else {
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
763 b = ngx_create_temp_buf(r->pool, 8);
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
764 if (b == NULL) {
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
765 ngx_http_gzip_error(ctx);
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
766 return NGX_ERROR;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
767 }
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
768
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
769 b->last_buf = 1;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
770
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
771 cl = ngx_alloc_chain_link(r->pool);
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
772 if (cl == NULL) {
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
773 ngx_http_gzip_error(ctx);
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
774 return NGX_ERROR;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
775 }
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
776
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
777 cl->buf = b;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
778 cl->next = NULL;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
779 *ctx->last_out = cl;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
780 ctx->last_out = &cl->next;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
781 trailer = (struct gztrailer *) b->pos;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
782 b->last += 8;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
783 }
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
784
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
785 #if (NGX_HAVE_LITTLE_ENDIAN && NGX_HAVE_NONALIGNED)
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
786
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
787 trailer->crc32 = ctx->crc32;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
788 trailer->zlen = ctx->zin;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
789
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
790 #else
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
791 trailer->crc32[0] = (u_char) (ctx->crc32 & 0xff);
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
792 trailer->crc32[1] = (u_char) ((ctx->crc32 >> 8) & 0xff);
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
793 trailer->crc32[2] = (u_char) ((ctx->crc32 >> 16) & 0xff);
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
794 trailer->crc32[3] = (u_char) ((ctx->crc32 >> 24) & 0xff);
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
795
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
796 trailer->zlen[0] = (u_char) (ctx->zin & 0xff);
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
797 trailer->zlen[1] = (u_char) ((ctx->zin >> 8) & 0xff);
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
798 trailer->zlen[2] = (u_char) ((ctx->zin >> 16) & 0xff);
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
799 trailer->zlen[3] = (u_char) ((ctx->zin >> 24) & 0xff);
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
800 #endif
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
801
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
802 ctx->zstream.avail_in = 0;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
803 ctx->zstream.avail_out = 0;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
804
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
805 ctx->done = 1;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
806
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
807 break;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
808 }
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
809
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
810 if (conf->no_buffer && ctx->in == NULL) {
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
811
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
812 cl = ngx_alloc_chain_link(r->pool);
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
813 if (cl == NULL) {
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
814 ngx_http_gzip_error(ctx);
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
815 return NGX_ERROR;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
816 }
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
817
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
818 cl->buf = ctx->out_buf;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
819 cl->next = NULL;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
820 *ctx->last_out = cl;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
821 ctx->last_out = &cl->next;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
822
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
823 break;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
824 }
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
825 }
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
826
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
827 if (last == NGX_AGAIN && !ctx->done) {
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
828 return NGX_AGAIN;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
829 }
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
830
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
831 if (ctx->out == NULL && ctx->busy == NULL) {
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
832 return NGX_OK;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
833 }
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
834
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
835 last = ngx_http_next_body_filter(r, ctx->out);
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
836
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
837 /*
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
838 * we do not check NGX_AGAIN here because the downstream filters
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
839 * may free some buffers and zlib may compress some data into them
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
840 */
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
841
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
842 if (last == NGX_ERROR) {
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
843 ngx_http_gzip_error(ctx);
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
844 return NGX_ERROR;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
845 }
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
846
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
847 ngx_chain_update_chains(&ctx->free, &ctx->busy, &ctx->out,
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
848 (ngx_buf_tag_t) &ngx_http_gzip_filter_module);
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
849 ctx->last_out = &ctx->out;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
850
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
851 if (ctx->done) {
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
852 return last;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
853 }
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
854 }
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
855 }
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
856
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
857
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
858 static void *
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
859 ngx_http_gzip_filter_alloc(void *opaque, u_int items, u_int size)
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
860 {
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
861 ngx_http_gzip_ctx_t *ctx = opaque;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
862
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
863 void *p;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
864 ngx_uint_t alloc;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
865
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
866 alloc = items * size;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
867
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
868 if (alloc % 512 != 0) {
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
869
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
870 /*
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
871 * The zlib deflate_state allocation, it takes about 6K,
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
872 * we allocate 8K. Other allocations are divisible by 512.
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
873 */
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
874
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
875 alloc = (alloc + ngx_pagesize - 1) & ~(ngx_pagesize - 1);
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
876 }
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
877
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
878 if (alloc <= ctx->allocated) {
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
879 p = ctx->free_mem;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
880 ctx->free_mem += alloc;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
881 ctx->allocated -= alloc;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
882
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
883 ngx_log_debug4(NGX_LOG_DEBUG_HTTP, ctx->request->connection->log, 0,
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
884 "gzip alloc: n:%ud s:%ud a:%ud p:%p",
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
885 items, size, alloc, p);
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
886
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
887 return p;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
888 }
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
889
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
890 ngx_log_error(NGX_LOG_ALERT, ctx->request->connection->log, 0,
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
891 "gzip filter failed to use preallocated memory: %ud of %ud",
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
892 items * size, ctx->allocated);
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
893
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
894 p = ngx_palloc(ctx->request->pool, items * size);
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
895
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
896 return p;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
897 }
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
898
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
899
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
900 static void
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
901 ngx_http_gzip_filter_free(void *opaque, void *address)
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
902 {
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
903 #if 0
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
904 ngx_http_gzip_ctx_t *ctx = opaque;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
905
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
906 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, ctx->request->connection->log, 0,
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
907 "gzip free: %p", address);
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
908 #endif
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
909 }
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
910
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
911
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
912 static u_char *
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
913 ngx_http_gzip_log_ratio(ngx_http_request_t *r, u_char *buf,
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
914 ngx_http_log_op_t *op)
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
915 {
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
916 ngx_uint_t zint, zfrac;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
917 ngx_http_gzip_ctx_t *ctx;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
918
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
919 ctx = ngx_http_get_module_ctx(r, ngx_http_gzip_filter_module);
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
920
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
921 if (ctx == NULL || ctx->zout == 0) {
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
922 *buf = '-';
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
923 return buf + 1;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
924 }
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
925
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
926 zint = (ngx_uint_t) (ctx->zin / ctx->zout);
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
927 zfrac = (ngx_uint_t) ((ctx->zin * 100 / ctx->zout) % 100);
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
928
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
929 if ((ctx->zin * 1000 / ctx->zout) % 10 > 4) {
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
930
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
931 /* the rounding, e.g., 2.125 to 2.13 */
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
932
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
933 zfrac++;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
934
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
935 if (zfrac > 99) {
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
936 zint++;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
937 zfrac = 0;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
938 }
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
939 }
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
940
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
941 return ngx_sprintf(buf, "%ui.%02ui", zint, zfrac);
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
942 }
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
943
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
944
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
945 static void
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
946 ngx_http_gzip_error(ngx_http_gzip_ctx_t *ctx)
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
947 {
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
948 deflateEnd(&ctx->zstream);
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
949
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
950 if (ctx->preallocated) {
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
951 ngx_pfree(ctx->request->pool, ctx->preallocated);
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
952 }
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
953
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
954 ctx->zstream.avail_in = 0;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
955 ctx->zstream.avail_out = 0;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
956
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
957 ctx->done = 1;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
958
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
959 return;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
960 }
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
961
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
962
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
963 static ngx_int_t
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
964 ngx_http_gzip_add_log_formats(ngx_conf_t *cf)
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
965 {
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
966 ngx_http_log_op_name_t *op;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
967
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
968 for (op = ngx_http_gzip_log_fmt_ops; op->name.len; op++) { /* void */ }
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
969 op->run = NULL;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
970
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
971 for (op = ngx_http_log_fmt_ops; op->run; op++) {
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
972 if (op->name.len == 0) {
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
973 op = (ngx_http_log_op_name_t *) op->run;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
974 }
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
975 }
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
976
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
977 op->run = (ngx_http_log_op_run_pt) ngx_http_gzip_log_fmt_ops;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
978
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
979 return NGX_OK;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
980 }
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
981
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
982
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
983 static ngx_int_t
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
984 ngx_http_gzip_filter_init(ngx_cycle_t *cycle)
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
985 {
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
986 ngx_http_next_header_filter = ngx_http_top_header_filter;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
987 ngx_http_top_header_filter = ngx_http_gzip_header_filter;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
988
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
989 ngx_http_next_body_filter = ngx_http_top_body_filter;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
990 ngx_http_top_body_filter = ngx_http_gzip_body_filter;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
991
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
992 return NGX_OK;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
993 }
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
994
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
995
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
996 static void *
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
997 ngx_http_gzip_create_conf(ngx_conf_t *cf)
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
998 {
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
999 ngx_http_gzip_conf_t *conf;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1000
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1001 conf = ngx_pcalloc(cf->pool, sizeof(ngx_http_gzip_conf_t));
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1002 if (conf == NULL) {
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1003 return NGX_CONF_ERROR;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1004 }
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1005
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1006 /*
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1007 * set by ngx_pcalloc():
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1008 *
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1009 * conf->bufs.num = 0;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1010 * conf->proxied = 0;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1011 * conf->types = NULL;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1012 */
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1013
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1014 conf->enable = NGX_CONF_UNSET;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1015 conf->no_buffer = NGX_CONF_UNSET;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1016
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1017 conf->http_version = NGX_CONF_UNSET_UINT;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1018
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1019 conf->level = NGX_CONF_UNSET;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1020 conf->wbits = (size_t) NGX_CONF_UNSET;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1021 conf->memlevel = (size_t) NGX_CONF_UNSET;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1022 conf->min_length = NGX_CONF_UNSET;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1023
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1024 return conf;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1025 }
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1026
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1027
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1028 static char *
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1029 ngx_http_gzip_merge_conf(ngx_conf_t *cf, void *parent, void *child)
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1030 {
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1031 ngx_http_gzip_conf_t *prev = parent;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1032 ngx_http_gzip_conf_t *conf = child;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1033
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1034 ngx_http_gzip_type_t *type;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1035
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1036 ngx_conf_merge_value(conf->enable, prev->enable, 0);
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1037
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1038 ngx_conf_merge_bufs_value(conf->bufs, prev->bufs, 4, ngx_pagesize);
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1039
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1040 ngx_conf_merge_unsigned_value(conf->http_version, prev->http_version,
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1041 NGX_HTTP_VERSION_11);
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1042 ngx_conf_merge_bitmask_value(conf->proxied, prev->proxied,
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1043 (NGX_CONF_BITMASK_SET|NGX_HTTP_GZIP_PROXIED_OFF));
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1044
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1045 ngx_conf_merge_value(conf->level, prev->level, 1);
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1046 ngx_conf_merge_size_value(conf->wbits, prev->wbits, MAX_WBITS);
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1047 ngx_conf_merge_size_value(conf->memlevel, prev->memlevel,
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1048 MAX_MEM_LEVEL - 1);
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1049 ngx_conf_merge_value(conf->min_length, prev->min_length, 0);
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1050 ngx_conf_merge_value(conf->no_buffer, prev->no_buffer, 0);
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1051
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1052 if (conf->types == NULL) {
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1053 if (prev->types == NULL) {
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1054 conf->types = ngx_array_create(cf->pool, 1,
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1055 sizeof(ngx_http_gzip_type_t));
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1056 if (conf->types == NULL) {
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1057 return NGX_CONF_ERROR;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1058 }
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1059
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1060 type = ngx_array_push(conf->types);
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1061 if (type == NULL) {
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1062 return NGX_CONF_ERROR;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1063 }
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1064
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1065 type->name.len = sizeof("text/html") - 1;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1066 type->name.data = (u_char *) "text/html";
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1067 type->enable = 1;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1068
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1069 } else {
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1070 conf->types = prev->types;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1071 }
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1072 }
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1073
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1074 return NGX_CONF_OK;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1075 }
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1076
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1077
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1078 static char *
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1079 ngx_http_gzip_set_types(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1080 {
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1081 ngx_http_gzip_conf_t *gcf = conf;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1082
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1083 ngx_str_t *value;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1084 ngx_uint_t i;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1085 ngx_http_gzip_type_t *type;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1086
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1087 if (gcf->types == NULL) {
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1088 gcf->types = ngx_array_create(cf->pool, 4,
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1089 sizeof(ngx_http_gzip_type_t));
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1090 if (gcf->types == NULL) {
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1091 return NGX_CONF_ERROR;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1092 }
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1093
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1094 type = ngx_array_push(gcf->types);
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1095 if (type == NULL) {
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1096 return NGX_CONF_ERROR;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1097 }
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1098
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1099 type->name.len = sizeof("text/html") - 1;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1100 type->name.data = (u_char *) "text/html";
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1101 type->enable = 1;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1102 }
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1103
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1104 value = cf->args->elts;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1105
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1106 for (i = 1; i < cf->args->nelts; i++) {
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1107
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1108 if (ngx_strcmp(value[i].data, "text/html") == 0) {
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1109 continue;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1110 }
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1111
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1112 type = ngx_array_push(gcf->types);
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1113 if (type == NULL) {
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1114 return NGX_CONF_ERROR;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1115 }
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1116
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1117 type->name.len = value[i].len;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1118
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1119 type->name.data = ngx_palloc(cf->pool, type->name.len + 1);
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1120 if (type->name.data == NULL) {
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1121 return NGX_CONF_ERROR;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1122 }
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1123
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1124 ngx_cpystrn(type->name.data, value[i].data, type->name.len + 1);
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1125 }
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1126
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1127 return NGX_CONF_OK;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1128 }
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1129
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1130
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1131 static char *
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1132 ngx_http_gzip_set_window(ngx_conf_t *cf, void *post, void *data)
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1133 {
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1134 int *np = data;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1135
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1136 int wbits, wsize;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1137
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1138 wbits = 15;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1139
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1140 for (wsize = 32 * 1024; wsize > 256; wsize >>= 1) {
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1141
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1142 if (wsize == *np) {
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1143 *np = wbits;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1144
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1145 return NGX_CONF_OK;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1146 }
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1147
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1148 wbits--;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1149 }
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1150
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1151 return "must be 512, 1k, 2k, 4k, 8k, 16k, or 32k";
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1152 }
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1153
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1154
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1155 static char *
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1156 ngx_http_gzip_set_hash(ngx_conf_t *cf, void *post, void *data)
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1157 {
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1158 int *np = data;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1159
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1160 int memlevel, hsize;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1161
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1162 memlevel = 9;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1163
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1164 for (hsize = 128 * 1024; hsize > 256; hsize >>= 1) {
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1165
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1166 if (hsize == *np) {
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1167 *np = memlevel;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1168
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1169 return NGX_CONF_OK;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1170 }
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1171
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1172 memlevel--;
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1173 }
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1174
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1175 return "must be 512, 1k, 2k, 4k, 8k, 16k, 32k, 64k, or 128k";
72eb30262aac nginx 0.1.25
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1176 }