Mercurial > hg > nginx-quic
annotate src/http/modules/ngx_http_gzip_filter_module.c @ 1057:bbde03037ef6
NGX_HTTP_PRECONDITION_FAILED
author | Igor Sysoev <igor@sysoev.ru> |
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date | Thu, 18 Jan 2007 20:51:51 +0000 |
parents | 3b763d36e055 |
children | 8596627c4cc5 d5db0e96bcc6 |
rev | line source |
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1 |
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2 /* |
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3 * Copyright (C) Igor Sysoev |
441
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4 */ |
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6 |
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7 #include <ngx_config.h> |
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8 #include <ngx_core.h> |
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9 #include <ngx_http.h> |
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10 |
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11 #include <zlib.h> |
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12 |
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13 |
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14 typedef struct { |
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15 ngx_flag_t enable; |
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16 ngx_flag_t no_buffer; |
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17 |
527 | 18 ngx_array_t *types; /* array of ngx_str_t */ |
452 | 19 |
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20 ngx_bufs_t bufs; |
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21 |
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22 ngx_uint_t http_version; |
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23 ngx_uint_t proxied; |
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24 |
589 | 25 ngx_int_t level; |
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26 size_t wbits; |
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27 size_t memlevel; |
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28 ssize_t min_length; |
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29 } ngx_http_gzip_conf_t; |
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30 |
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31 |
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32 #define NGX_HTTP_GZIP_PROXIED_OFF 0x0002 |
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33 #define NGX_HTTP_GZIP_PROXIED_EXPIRED 0x0004 |
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34 #define NGX_HTTP_GZIP_PROXIED_NO_CACHE 0x0008 |
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35 #define NGX_HTTP_GZIP_PROXIED_NO_STORE 0x0010 |
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36 #define NGX_HTTP_GZIP_PROXIED_PRIVATE 0x0020 |
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37 #define NGX_HTTP_GZIP_PROXIED_NO_LM 0x0040 |
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38 #define NGX_HTTP_GZIP_PROXIED_NO_ETAG 0x0080 |
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39 #define NGX_HTTP_GZIP_PROXIED_AUTH 0x0100 |
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40 #define NGX_HTTP_GZIP_PROXIED_ANY 0x0200 |
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41 |
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42 |
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43 typedef struct { |
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44 ngx_chain_t *in; |
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45 ngx_chain_t *free; |
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46 ngx_chain_t *busy; |
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47 ngx_chain_t *out; |
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48 ngx_chain_t **last_out; |
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49 ngx_buf_t *in_buf; |
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50 ngx_buf_t *out_buf; |
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51 ngx_int_t bufs; |
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52 |
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53 off_t length; |
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54 |
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55 void *preallocated; |
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56 char *free_mem; |
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57 ngx_uint_t allocated; |
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58 |
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59 unsigned flush:4; |
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60 unsigned redo:1; |
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61 unsigned done:1; |
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62 |
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63 size_t zin; |
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64 size_t zout; |
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65 |
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66 uint32_t crc32; |
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67 z_stream zstream; |
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68 ngx_http_request_t *request; |
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69 } ngx_http_gzip_ctx_t; |
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70 |
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71 |
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72 static ngx_int_t ngx_http_gzip_proxied(ngx_http_request_t *r, |
497 | 73 ngx_http_gzip_conf_t *conf); |
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74 static void *ngx_http_gzip_filter_alloc(void *opaque, u_int items, |
497 | 75 u_int size); |
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76 static void ngx_http_gzip_filter_free(void *opaque, void *address); |
479 | 77 static void ngx_http_gzip_error(ngx_http_gzip_ctx_t *ctx); |
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78 |
573 | 79 static ngx_int_t ngx_http_gzip_add_variables(ngx_conf_t *cf); |
80 static ngx_int_t ngx_http_gzip_ratio_variable(ngx_http_request_t *r, | |
81 ngx_http_variable_value_t *v, uintptr_t data); | |
479 | 82 |
681 | 83 static ngx_int_t ngx_http_gzip_filter_init(ngx_conf_t *cf); |
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84 static void *ngx_http_gzip_create_conf(ngx_conf_t *cf); |
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85 static char *ngx_http_gzip_merge_conf(ngx_conf_t *cf, |
497 | 86 void *parent, void *child); |
527 | 87 static char *ngx_http_gzip_types(ngx_conf_t *cf, ngx_command_t *cmd, |
497 | 88 void *conf); |
527 | 89 static char *ngx_http_gzip_window(ngx_conf_t *cf, void *post, void *data); |
90 static char *ngx_http_gzip_hash(ngx_conf_t *cf, void *post, void *data); | |
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91 |
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92 |
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93 static ngx_conf_num_bounds_t ngx_http_gzip_comp_level_bounds = { |
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94 ngx_conf_check_num_bounds, 1, 9 |
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95 }; |
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96 |
527 | 97 static ngx_conf_post_handler_pt ngx_http_gzip_window_p = ngx_http_gzip_window; |
98 static ngx_conf_post_handler_pt ngx_http_gzip_hash_p = ngx_http_gzip_hash; | |
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99 |
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100 |
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101 static ngx_conf_enum_t ngx_http_gzip_http_version[] = { |
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102 { ngx_string("1.0"), NGX_HTTP_VERSION_10 }, |
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103 { ngx_string("1.1"), NGX_HTTP_VERSION_11 }, |
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104 { ngx_null_string, 0 } |
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105 }; |
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106 |
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107 |
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108 static ngx_conf_bitmask_t ngx_http_gzip_proxied_mask[] = { |
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109 { ngx_string("off"), NGX_HTTP_GZIP_PROXIED_OFF }, |
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110 { ngx_string("expired"), NGX_HTTP_GZIP_PROXIED_EXPIRED }, |
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111 { ngx_string("no-cache"), NGX_HTTP_GZIP_PROXIED_NO_CACHE }, |
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112 { ngx_string("no-store"), NGX_HTTP_GZIP_PROXIED_NO_STORE }, |
d621239c30f7
nginx-0.0.3-2004-04-18-23:06:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
319
diff
changeset
|
113 { ngx_string("private"), NGX_HTTP_GZIP_PROXIED_PRIVATE }, |
d621239c30f7
nginx-0.0.3-2004-04-18-23:06:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
319
diff
changeset
|
114 { ngx_string("no_last_modified"), NGX_HTTP_GZIP_PROXIED_NO_LM }, |
d621239c30f7
nginx-0.0.3-2004-04-18-23:06:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
319
diff
changeset
|
115 { ngx_string("no_etag"), NGX_HTTP_GZIP_PROXIED_NO_ETAG }, |
d621239c30f7
nginx-0.0.3-2004-04-18-23:06:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
319
diff
changeset
|
116 { ngx_string("auth"), NGX_HTTP_GZIP_PROXIED_AUTH }, |
d621239c30f7
nginx-0.0.3-2004-04-18-23:06:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
319
diff
changeset
|
117 { ngx_string("any"), NGX_HTTP_GZIP_PROXIED_ANY }, |
314
d71c87d11b16
nginx-0.0.3-2004-04-14-09:57:36 import
Igor Sysoev <igor@sysoev.ru>
parents:
294
diff
changeset
|
118 { ngx_null_string, 0 } |
d71c87d11b16
nginx-0.0.3-2004-04-14-09:57:36 import
Igor Sysoev <igor@sysoev.ru>
parents:
294
diff
changeset
|
119 }; |
d71c87d11b16
nginx-0.0.3-2004-04-14-09:57:36 import
Igor Sysoev <igor@sysoev.ru>
parents:
294
diff
changeset
|
120 |
d71c87d11b16
nginx-0.0.3-2004-04-14-09:57:36 import
Igor Sysoev <igor@sysoev.ru>
parents:
294
diff
changeset
|
121 |
134
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
122 static ngx_command_t ngx_http_gzip_filter_commands[] = { |
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
123 |
239
574bea0142be
nginx-0.0.1-2004-01-26-11:52:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
177
diff
changeset
|
124 { ngx_string("gzip"), |
485 | 125 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_HTTP_LIF_CONF |
126 |NGX_CONF_FLAG, | |
239
574bea0142be
nginx-0.0.1-2004-01-26-11:52:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
177
diff
changeset
|
127 ngx_conf_set_flag_slot, |
574bea0142be
nginx-0.0.1-2004-01-26-11:52:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
177
diff
changeset
|
128 NGX_HTTP_LOC_CONF_OFFSET, |
574bea0142be
nginx-0.0.1-2004-01-26-11:52:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
177
diff
changeset
|
129 offsetof(ngx_http_gzip_conf_t, enable), |
412
199cd29f35a3
nginx-0.0.10-2004-08-31-19:32:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
370
diff
changeset
|
130 NULL }, |
134
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
131 |
239
574bea0142be
nginx-0.0.1-2004-01-26-11:52:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
177
diff
changeset
|
132 { ngx_string("gzip_buffers"), |
574bea0142be
nginx-0.0.1-2004-01-26-11:52:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
177
diff
changeset
|
133 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE2, |
574bea0142be
nginx-0.0.1-2004-01-26-11:52:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
177
diff
changeset
|
134 ngx_conf_set_bufs_slot, |
574bea0142be
nginx-0.0.1-2004-01-26-11:52:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
177
diff
changeset
|
135 NGX_HTTP_LOC_CONF_OFFSET, |
574bea0142be
nginx-0.0.1-2004-01-26-11:52:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
177
diff
changeset
|
136 offsetof(ngx_http_gzip_conf_t, bufs), |
412
199cd29f35a3
nginx-0.0.10-2004-08-31-19:32:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
370
diff
changeset
|
137 NULL }, |
134
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
138 |
452 | 139 { ngx_string("gzip_types"), |
140 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE, | |
527 | 141 ngx_http_gzip_types, |
452 | 142 NGX_HTTP_LOC_CONF_OFFSET, |
143 0, | |
144 NULL }, | |
145 | |
239
574bea0142be
nginx-0.0.1-2004-01-26-11:52:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
177
diff
changeset
|
146 { ngx_string("gzip_comp_level"), |
574bea0142be
nginx-0.0.1-2004-01-26-11:52:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
177
diff
changeset
|
147 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, |
574bea0142be
nginx-0.0.1-2004-01-26-11:52:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
177
diff
changeset
|
148 ngx_conf_set_num_slot, |
574bea0142be
nginx-0.0.1-2004-01-26-11:52:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
177
diff
changeset
|
149 NGX_HTTP_LOC_CONF_OFFSET, |
574bea0142be
nginx-0.0.1-2004-01-26-11:52:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
177
diff
changeset
|
150 offsetof(ngx_http_gzip_conf_t, level), |
412
199cd29f35a3
nginx-0.0.10-2004-08-31-19:32:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
370
diff
changeset
|
151 &ngx_http_gzip_comp_level_bounds }, |
156
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
152 |
239
574bea0142be
nginx-0.0.1-2004-01-26-11:52:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
177
diff
changeset
|
153 { ngx_string("gzip_window"), |
574bea0142be
nginx-0.0.1-2004-01-26-11:52:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
177
diff
changeset
|
154 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, |
574bea0142be
nginx-0.0.1-2004-01-26-11:52:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
177
diff
changeset
|
155 ngx_conf_set_size_slot, |
574bea0142be
nginx-0.0.1-2004-01-26-11:52:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
177
diff
changeset
|
156 NGX_HTTP_LOC_CONF_OFFSET, |
574bea0142be
nginx-0.0.1-2004-01-26-11:52:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
177
diff
changeset
|
157 offsetof(ngx_http_gzip_conf_t, wbits), |
527 | 158 &ngx_http_gzip_window_p }, |
156
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
159 |
239
574bea0142be
nginx-0.0.1-2004-01-26-11:52:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
177
diff
changeset
|
160 { ngx_string("gzip_hash"), |
574bea0142be
nginx-0.0.1-2004-01-26-11:52:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
177
diff
changeset
|
161 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, |
574bea0142be
nginx-0.0.1-2004-01-26-11:52:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
177
diff
changeset
|
162 ngx_conf_set_size_slot, |
574bea0142be
nginx-0.0.1-2004-01-26-11:52:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
177
diff
changeset
|
163 NGX_HTTP_LOC_CONF_OFFSET, |
574bea0142be
nginx-0.0.1-2004-01-26-11:52:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
177
diff
changeset
|
164 offsetof(ngx_http_gzip_conf_t, memlevel), |
527 | 165 &ngx_http_gzip_hash_p }, |
156
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
166 |
239
574bea0142be
nginx-0.0.1-2004-01-26-11:52:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
177
diff
changeset
|
167 { ngx_string("gzip_no_buffer"), |
574bea0142be
nginx-0.0.1-2004-01-26-11:52:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
177
diff
changeset
|
168 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG, |
574bea0142be
nginx-0.0.1-2004-01-26-11:52:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
177
diff
changeset
|
169 ngx_conf_set_flag_slot, |
574bea0142be
nginx-0.0.1-2004-01-26-11:52:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
177
diff
changeset
|
170 NGX_HTTP_LOC_CONF_OFFSET, |
574bea0142be
nginx-0.0.1-2004-01-26-11:52:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
177
diff
changeset
|
171 offsetof(ngx_http_gzip_conf_t, no_buffer), |
412
199cd29f35a3
nginx-0.0.10-2004-08-31-19:32:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
370
diff
changeset
|
172 NULL }, |
134
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
173 |
314
d71c87d11b16
nginx-0.0.3-2004-04-14-09:57:36 import
Igor Sysoev <igor@sysoev.ru>
parents:
294
diff
changeset
|
174 { ngx_string("gzip_http_version"), |
529 | 175 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, |
314
d71c87d11b16
nginx-0.0.3-2004-04-14-09:57:36 import
Igor Sysoev <igor@sysoev.ru>
parents:
294
diff
changeset
|
176 ngx_conf_set_enum_slot, |
d71c87d11b16
nginx-0.0.3-2004-04-14-09:57:36 import
Igor Sysoev <igor@sysoev.ru>
parents:
294
diff
changeset
|
177 NGX_HTTP_LOC_CONF_OFFSET, |
d71c87d11b16
nginx-0.0.3-2004-04-14-09:57:36 import
Igor Sysoev <igor@sysoev.ru>
parents:
294
diff
changeset
|
178 offsetof(ngx_http_gzip_conf_t, http_version), |
d71c87d11b16
nginx-0.0.3-2004-04-14-09:57:36 import
Igor Sysoev <igor@sysoev.ru>
parents:
294
diff
changeset
|
179 &ngx_http_gzip_http_version }, |
d71c87d11b16
nginx-0.0.3-2004-04-14-09:57:36 import
Igor Sysoev <igor@sysoev.ru>
parents:
294
diff
changeset
|
180 |
d71c87d11b16
nginx-0.0.3-2004-04-14-09:57:36 import
Igor Sysoev <igor@sysoev.ru>
parents:
294
diff
changeset
|
181 { ngx_string("gzip_proxied"), |
547 | 182 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE, |
320
d621239c30f7
nginx-0.0.3-2004-04-18-23:06:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
319
diff
changeset
|
183 ngx_conf_set_bitmask_slot, |
314
d71c87d11b16
nginx-0.0.3-2004-04-14-09:57:36 import
Igor Sysoev <igor@sysoev.ru>
parents:
294
diff
changeset
|
184 NGX_HTTP_LOC_CONF_OFFSET, |
d71c87d11b16
nginx-0.0.3-2004-04-14-09:57:36 import
Igor Sysoev <igor@sysoev.ru>
parents:
294
diff
changeset
|
185 offsetof(ngx_http_gzip_conf_t, proxied), |
320
d621239c30f7
nginx-0.0.3-2004-04-18-23:06:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
319
diff
changeset
|
186 &ngx_http_gzip_proxied_mask }, |
d621239c30f7
nginx-0.0.3-2004-04-18-23:06:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
319
diff
changeset
|
187 |
d621239c30f7
nginx-0.0.3-2004-04-18-23:06:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
319
diff
changeset
|
188 { ngx_string("gzip_min_length"), |
d621239c30f7
nginx-0.0.3-2004-04-18-23:06:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
319
diff
changeset
|
189 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, |
d621239c30f7
nginx-0.0.3-2004-04-18-23:06:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
319
diff
changeset
|
190 ngx_conf_set_size_slot, |
d621239c30f7
nginx-0.0.3-2004-04-18-23:06:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
319
diff
changeset
|
191 NGX_HTTP_LOC_CONF_OFFSET, |
d621239c30f7
nginx-0.0.3-2004-04-18-23:06:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
319
diff
changeset
|
192 offsetof(ngx_http_gzip_conf_t, min_length), |
412
199cd29f35a3
nginx-0.0.10-2004-08-31-19:32:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
370
diff
changeset
|
193 NULL }, |
314
d71c87d11b16
nginx-0.0.3-2004-04-14-09:57:36 import
Igor Sysoev <igor@sysoev.ru>
parents:
294
diff
changeset
|
194 |
239
574bea0142be
nginx-0.0.1-2004-01-26-11:52:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
177
diff
changeset
|
195 ngx_null_command |
134
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
196 }; |
133
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
197 |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
198 |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
199 static ngx_http_module_t ngx_http_gzip_filter_module_ctx = { |
573 | 200 ngx_http_gzip_add_variables, /* preconfiguration */ |
681 | 201 ngx_http_gzip_filter_init, /* postconfiguration */ |
177
4db54fdbcbe7
nginx-0.0.1-2003-11-10-20:17:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
166
diff
changeset
|
202 |
133
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
203 NULL, /* create main configuration */ |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
204 NULL, /* init main configuration */ |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
205 |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
206 NULL, /* create server configuration */ |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
207 NULL, /* merge server configuration */ |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
208 |
134
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
209 ngx_http_gzip_create_conf, /* create location configuration */ |
489 | 210 ngx_http_gzip_merge_conf /* merge location configuration */ |
133
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
211 }; |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
212 |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
213 |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
214 ngx_module_t ngx_http_gzip_filter_module = { |
509 | 215 NGX_MODULE_V1, |
133
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
216 &ngx_http_gzip_filter_module_ctx, /* module context */ |
134
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
217 ngx_http_gzip_filter_commands, /* module directives */ |
133
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
218 NGX_HTTP_MODULE, /* module type */ |
541 | 219 NULL, /* init master */ |
681 | 220 NULL, /* init module */ |
541 | 221 NULL, /* init process */ |
222 NULL, /* init thread */ | |
223 NULL, /* exit thread */ | |
224 NULL, /* exit process */ | |
225 NULL, /* exit master */ | |
226 NGX_MODULE_V1_PADDING | |
133
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
227 }; |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
228 |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
229 |
158
d377ee423603
nginx-0.0.1-2003-10-24-10:53:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
157
diff
changeset
|
230 static u_char gzheader[10] = { 0x1f, 0x8b, Z_DEFLATED, 0, 0, 0, 0, 0, 0, 3 }; |
134
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
231 |
479 | 232 #if (NGX_HAVE_LITTLE_ENDIAN && NGX_HAVE_NONALIGNED) |
134
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
233 |
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
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parents:
133
diff
changeset
|
234 struct gztrailer { |
290
87e73f067470
nginx-0.0.2-2004-03-16-10:10:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
289
diff
changeset
|
235 uint32_t crc32; |
87e73f067470
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parents:
289
diff
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|
236 uint32_t zlen; |
134
d57c6835225c
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Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
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|
237 }; |
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
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|
238 |
479 | 239 #else /* NGX_HAVE_BIG_ENDIAN || !NGX_HAVE_NONALIGNED */ |
134
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
240 |
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
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|
241 struct gztrailer { |
290
87e73f067470
nginx-0.0.2-2004-03-16-10:10:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
289
diff
changeset
|
242 u_char crc32[4]; |
87e73f067470
nginx-0.0.2-2004-03-16-10:10:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
289
diff
changeset
|
243 u_char zlen[4]; |
134
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
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|
244 }; |
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
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|
245 |
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
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|
246 #endif |
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
247 |
133
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
248 |
573 | 249 static ngx_str_t ngx_http_gzip_ratio = ngx_string("gzip_ratio"); |
509 | 250 static ngx_str_t ngx_http_gzip_no_cache = ngx_string("no-cache"); |
251 static ngx_str_t ngx_http_gzip_no_store = ngx_string("no-store"); | |
252 static ngx_str_t ngx_http_gzip_private = ngx_string("private"); | |
253 | |
254 | |
155
46eb23d9471d
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parents:
154
diff
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|
255 static ngx_http_output_header_filter_pt ngx_http_next_header_filter; |
46eb23d9471d
nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents:
154
diff
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|
256 static ngx_http_output_body_filter_pt ngx_http_next_body_filter; |
133
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
257 |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
258 |
497 | 259 static ngx_int_t |
260 ngx_http_gzip_header_filter(ngx_http_request_t *r) | |
133
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
261 { |
527 | 262 ngx_str_t *type; |
263 ngx_uint_t i; | |
134
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
264 ngx_http_gzip_ctx_t *ctx; |
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
265 ngx_http_gzip_conf_t *conf; |
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
266 |
135
e29909bd9b8a
nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
134
diff
changeset
|
267 conf = ngx_http_get_module_loc_conf(r, ngx_http_gzip_filter_module); |
e29909bd9b8a
nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
134
diff
changeset
|
268 |
e29909bd9b8a
nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
134
diff
changeset
|
269 if (!conf->enable |
452 | 270 || (r->headers_out.status != NGX_HTTP_OK |
271 && r->headers_out.status != NGX_HTTP_FORBIDDEN | |
272 && r->headers_out.status != NGX_HTTP_NOT_FOUND) | |
134
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
273 || r->header_only |
597 | 274 || r != r->main |
314
d71c87d11b16
nginx-0.0.3-2004-04-14-09:57:36 import
Igor Sysoev <igor@sysoev.ru>
parents:
294
diff
changeset
|
275 || r->http_version < conf->http_version |
509 | 276 || r->headers_out.content_type.len == 0 |
135
e29909bd9b8a
nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
134
diff
changeset
|
277 || (r->headers_out.content_encoding |
e29909bd9b8a
nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
134
diff
changeset
|
278 && r->headers_out.content_encoding->value.len) |
e29909bd9b8a
nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
134
diff
changeset
|
279 || r->headers_in.accept_encoding == NULL |
320
d621239c30f7
nginx-0.0.3-2004-04-18-23:06:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
319
diff
changeset
|
280 || (r->headers_out.content_length_n != -1 |
d621239c30f7
nginx-0.0.3-2004-04-18-23:06:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
319
diff
changeset
|
281 && r->headers_out.content_length_n < conf->min_length) |
135
e29909bd9b8a
nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
134
diff
changeset
|
282 || ngx_strstr(r->headers_in.accept_encoding->value.data, "gzip") == NULL |
e29909bd9b8a
nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
134
diff
changeset
|
283 ) |
134
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
284 { |
155
46eb23d9471d
nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents:
154
diff
changeset
|
285 return ngx_http_next_header_filter(r); |
134
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
286 } |
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
287 |
452 | 288 |
289 type = conf->types->elts; | |
290 for (i = 0; i < conf->types->nelts; i++) { | |
527 | 291 if (r->headers_out.content_type.len >= type[i].len |
577 | 292 && ngx_strncasecmp(r->headers_out.content_type.data, |
527 | 293 type[i].data, type[i].len) == 0) |
452 | 294 { |
527 | 295 goto found; |
452 | 296 } |
297 } | |
298 | |
527 | 299 return ngx_http_next_header_filter(r); |
133
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
300 |
314
d71c87d11b16
nginx-0.0.3-2004-04-14-09:57:36 import
Igor Sysoev <igor@sysoev.ru>
parents:
294
diff
changeset
|
301 |
527 | 302 found: |
303 | |
320
d621239c30f7
nginx-0.0.3-2004-04-18-23:06:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
319
diff
changeset
|
304 if (r->headers_in.via) { |
d621239c30f7
nginx-0.0.3-2004-04-18-23:06:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
319
diff
changeset
|
305 if (conf->proxied & NGX_HTTP_GZIP_PROXIED_OFF) { |
315
39b6f2df45c0
nginx-0.0.3-2004-04-14-21:44:28 import
Igor Sysoev <igor@sysoev.ru>
parents:
314
diff
changeset
|
306 return ngx_http_next_header_filter(r); |
39b6f2df45c0
nginx-0.0.3-2004-04-14-21:44:28 import
Igor Sysoev <igor@sysoev.ru>
parents:
314
diff
changeset
|
307 } |
39b6f2df45c0
nginx-0.0.3-2004-04-14-21:44:28 import
Igor Sysoev <igor@sysoev.ru>
parents:
314
diff
changeset
|
308 |
320
d621239c30f7
nginx-0.0.3-2004-04-18-23:06:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
319
diff
changeset
|
309 if (!(conf->proxied & NGX_HTTP_GZIP_PROXIED_ANY) |
d621239c30f7
nginx-0.0.3-2004-04-18-23:06:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
319
diff
changeset
|
310 && ngx_http_gzip_proxied(r, conf) == NGX_DECLINED) |
d621239c30f7
nginx-0.0.3-2004-04-18-23:06:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
319
diff
changeset
|
311 { |
315
39b6f2df45c0
nginx-0.0.3-2004-04-14-21:44:28 import
Igor Sysoev <igor@sysoev.ru>
parents:
314
diff
changeset
|
312 return ngx_http_next_header_filter(r); |
39b6f2df45c0
nginx-0.0.3-2004-04-14-21:44:28 import
Igor Sysoev <igor@sysoev.ru>
parents:
314
diff
changeset
|
313 } |
314
d71c87d11b16
nginx-0.0.3-2004-04-14-09:57:36 import
Igor Sysoev <igor@sysoev.ru>
parents:
294
diff
changeset
|
314 } |
d71c87d11b16
nginx-0.0.3-2004-04-14-09:57:36 import
Igor Sysoev <igor@sysoev.ru>
parents:
294
diff
changeset
|
315 |
d71c87d11b16
nginx-0.0.3-2004-04-14-09:57:36 import
Igor Sysoev <igor@sysoev.ru>
parents:
294
diff
changeset
|
316 |
d71c87d11b16
nginx-0.0.3-2004-04-14-09:57:36 import
Igor Sysoev <igor@sysoev.ru>
parents:
294
diff
changeset
|
317 /* |
d71c87d11b16
nginx-0.0.3-2004-04-14-09:57:36 import
Igor Sysoev <igor@sysoev.ru>
parents:
294
diff
changeset
|
318 * if the URL (without the "http://" prefix) is longer than 253 bytes |
d71c87d11b16
nginx-0.0.3-2004-04-14-09:57:36 import
Igor Sysoev <igor@sysoev.ru>
parents:
294
diff
changeset
|
319 * then MSIE 4.x can not handle the compressed stream - it waits too long, |
d71c87d11b16
nginx-0.0.3-2004-04-14-09:57:36 import
Igor Sysoev <igor@sysoev.ru>
parents:
294
diff
changeset
|
320 * hangs up or crashes |
d71c87d11b16
nginx-0.0.3-2004-04-14-09:57:36 import
Igor Sysoev <igor@sysoev.ru>
parents:
294
diff
changeset
|
321 */ |
d71c87d11b16
nginx-0.0.3-2004-04-14-09:57:36 import
Igor Sysoev <igor@sysoev.ru>
parents:
294
diff
changeset
|
322 |
356
2e3cbc1bbe3c
nginx-0.0.7-2004-06-16-19:32:11 import
Igor Sysoev <igor@sysoev.ru>
parents:
355
diff
changeset
|
323 if (r->headers_in.msie4 && r->unparsed_uri.len > 200) { |
314
d71c87d11b16
nginx-0.0.3-2004-04-14-09:57:36 import
Igor Sysoev <igor@sysoev.ru>
parents:
294
diff
changeset
|
324 return ngx_http_next_header_filter(r); |
d71c87d11b16
nginx-0.0.3-2004-04-14-09:57:36 import
Igor Sysoev <igor@sysoev.ru>
parents:
294
diff
changeset
|
325 } |
d71c87d11b16
nginx-0.0.3-2004-04-14-09:57:36 import
Igor Sysoev <igor@sysoev.ru>
parents:
294
diff
changeset
|
326 |
501 | 327 ctx = ngx_pcalloc(r->pool, sizeof(ngx_http_gzip_ctx_t)); |
328 if (ctx == NULL) { | |
329 return NGX_ERROR; | |
330 } | |
314
d71c87d11b16
nginx-0.0.3-2004-04-14-09:57:36 import
Igor Sysoev <igor@sysoev.ru>
parents:
294
diff
changeset
|
331 |
501 | 332 ngx_http_set_ctx(r, ctx, ngx_http_gzip_filter_module); |
333 | |
334 | |
156
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
335 ctx->request = r; |
133
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
336 |
416
b9bd635011de
nginx-0.0.10-2004-09-06-22:45:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
415
diff
changeset
|
337 r->headers_out.content_encoding = ngx_list_push(&r->headers_out.headers); |
166
389d7ee9fa60
nginx-0.0.1-2003-10-30-11:51:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
165
diff
changeset
|
338 if (r->headers_out.content_encoding == NULL) { |
164
84036764e215
nginx-0.0.1-2003-10-29-11:30:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
160
diff
changeset
|
339 return NGX_ERROR; |
84036764e215
nginx-0.0.1-2003-10-29-11:30:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
160
diff
changeset
|
340 } |
135
e29909bd9b8a
nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
134
diff
changeset
|
341 |
509 | 342 r->headers_out.content_encoding->hash = 1; |
165
894a01c6aea3
nginx-0.0.1-2003-10-29-20:39:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
164
diff
changeset
|
343 r->headers_out.content_encoding->key.len = sizeof("Content-Encoding") - 1; |
292
a472bfb778b3
nginx-0.0.3-2004-03-17-00:26:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
344 r->headers_out.content_encoding->key.data = (u_char *) "Content-Encoding"; |
164
84036764e215
nginx-0.0.1-2003-10-29-11:30:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
160
diff
changeset
|
345 r->headers_out.content_encoding->value.len = sizeof("gzip") - 1; |
292
a472bfb778b3
nginx-0.0.3-2004-03-17-00:26:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
346 r->headers_out.content_encoding->value.data = (u_char *) "gzip"; |
135
e29909bd9b8a
nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
134
diff
changeset
|
347 |
153
c71aeb75c071
nginx-0.0.1-2003-10-21-20:49:56 import
Igor Sysoev <igor@sysoev.ru>
parents:
144
diff
changeset
|
348 ctx->length = r->headers_out.content_length_n; |
509 | 349 |
513 | 350 r->main_filter_need_in_memory = 1; |
133
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
351 |
577 | 352 ngx_http_clear_content_length(r); |
353 ngx_http_clear_accept_ranges(r); | |
354 | |
155
46eb23d9471d
nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents:
154
diff
changeset
|
355 return ngx_http_next_header_filter(r); |
133
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
356 } |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
357 |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
358 |
497 | 359 static ngx_int_t |
360 ngx_http_gzip_proxied(ngx_http_request_t *r, ngx_http_gzip_conf_t *conf) | |
320
d621239c30f7
nginx-0.0.3-2004-04-18-23:06:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
319
diff
changeset
|
361 { |
d621239c30f7
nginx-0.0.3-2004-04-18-23:06:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
319
diff
changeset
|
362 time_t date, expires; |
d621239c30f7
nginx-0.0.3-2004-04-18-23:06:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
319
diff
changeset
|
363 |
d621239c30f7
nginx-0.0.3-2004-04-18-23:06:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
319
diff
changeset
|
364 if (r->headers_in.authorization |
d621239c30f7
nginx-0.0.3-2004-04-18-23:06:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
319
diff
changeset
|
365 && (conf->proxied & NGX_HTTP_GZIP_PROXIED_AUTH)) |
d621239c30f7
nginx-0.0.3-2004-04-18-23:06:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
319
diff
changeset
|
366 { |
d621239c30f7
nginx-0.0.3-2004-04-18-23:06:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
319
diff
changeset
|
367 return NGX_OK; |
d621239c30f7
nginx-0.0.3-2004-04-18-23:06:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
319
diff
changeset
|
368 } |
d621239c30f7
nginx-0.0.3-2004-04-18-23:06:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
319
diff
changeset
|
369 |
d621239c30f7
nginx-0.0.3-2004-04-18-23:06:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
319
diff
changeset
|
370 if (r->headers_out.expires) { |
d621239c30f7
nginx-0.0.3-2004-04-18-23:06:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
319
diff
changeset
|
371 |
d621239c30f7
nginx-0.0.3-2004-04-18-23:06:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
319
diff
changeset
|
372 if (!(conf->proxied & NGX_HTTP_GZIP_PROXIED_EXPIRED)) { |
d621239c30f7
nginx-0.0.3-2004-04-18-23:06:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
319
diff
changeset
|
373 return NGX_DECLINED; |
d621239c30f7
nginx-0.0.3-2004-04-18-23:06:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
319
diff
changeset
|
374 } |
d621239c30f7
nginx-0.0.3-2004-04-18-23:06:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
319
diff
changeset
|
375 |
d621239c30f7
nginx-0.0.3-2004-04-18-23:06:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
319
diff
changeset
|
376 expires = ngx_http_parse_time(r->headers_out.expires->value.data, |
d621239c30f7
nginx-0.0.3-2004-04-18-23:06:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
319
diff
changeset
|
377 r->headers_out.expires->value.len); |
d621239c30f7
nginx-0.0.3-2004-04-18-23:06:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
319
diff
changeset
|
378 if (expires == NGX_ERROR) { |
d621239c30f7
nginx-0.0.3-2004-04-18-23:06:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
319
diff
changeset
|
379 return NGX_DECLINED; |
d621239c30f7
nginx-0.0.3-2004-04-18-23:06:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
319
diff
changeset
|
380 } |
d621239c30f7
nginx-0.0.3-2004-04-18-23:06:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
319
diff
changeset
|
381 |
d621239c30f7
nginx-0.0.3-2004-04-18-23:06:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
319
diff
changeset
|
382 if (r->headers_out.date) { |
d621239c30f7
nginx-0.0.3-2004-04-18-23:06:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
319
diff
changeset
|
383 date = ngx_http_parse_time(r->headers_out.date->value.data, |
d621239c30f7
nginx-0.0.3-2004-04-18-23:06:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
319
diff
changeset
|
384 r->headers_out.date->value.len); |
d621239c30f7
nginx-0.0.3-2004-04-18-23:06:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
319
diff
changeset
|
385 if (date == NGX_ERROR) { |
d621239c30f7
nginx-0.0.3-2004-04-18-23:06:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
319
diff
changeset
|
386 return NGX_DECLINED; |
d621239c30f7
nginx-0.0.3-2004-04-18-23:06:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
319
diff
changeset
|
387 } |
d621239c30f7
nginx-0.0.3-2004-04-18-23:06:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
319
diff
changeset
|
388 |
d621239c30f7
nginx-0.0.3-2004-04-18-23:06:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
319
diff
changeset
|
389 } else { |
370
54f76b0b8dca
nginx-0.0.7-2004-06-27-22:01:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
356
diff
changeset
|
390 date = ngx_time(); |
320
d621239c30f7
nginx-0.0.3-2004-04-18-23:06:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
319
diff
changeset
|
391 } |
d621239c30f7
nginx-0.0.3-2004-04-18-23:06:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
319
diff
changeset
|
392 |
d621239c30f7
nginx-0.0.3-2004-04-18-23:06:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
319
diff
changeset
|
393 if (expires < date) { |
d621239c30f7
nginx-0.0.3-2004-04-18-23:06:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
319
diff
changeset
|
394 return NGX_OK; |
d621239c30f7
nginx-0.0.3-2004-04-18-23:06:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
319
diff
changeset
|
395 } |
d621239c30f7
nginx-0.0.3-2004-04-18-23:06:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
319
diff
changeset
|
396 |
d621239c30f7
nginx-0.0.3-2004-04-18-23:06:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
319
diff
changeset
|
397 return NGX_DECLINED; |
d621239c30f7
nginx-0.0.3-2004-04-18-23:06:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
319
diff
changeset
|
398 } |
d621239c30f7
nginx-0.0.3-2004-04-18-23:06:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
319
diff
changeset
|
399 |
509 | 400 if (r->headers_out.cache_control.elts) { |
320
d621239c30f7
nginx-0.0.3-2004-04-18-23:06:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
319
diff
changeset
|
401 |
d621239c30f7
nginx-0.0.3-2004-04-18-23:06:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
319
diff
changeset
|
402 if ((conf->proxied & NGX_HTTP_GZIP_PROXIED_NO_CACHE) |
509 | 403 && ngx_http_parse_multi_header_lines(&r->headers_out.cache_control, |
404 &ngx_http_gzip_no_cache, NULL) >= 0) | |
320
d621239c30f7
nginx-0.0.3-2004-04-18-23:06:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
319
diff
changeset
|
405 { |
d621239c30f7
nginx-0.0.3-2004-04-18-23:06:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
319
diff
changeset
|
406 return NGX_OK; |
d621239c30f7
nginx-0.0.3-2004-04-18-23:06:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
319
diff
changeset
|
407 } |
d621239c30f7
nginx-0.0.3-2004-04-18-23:06:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
319
diff
changeset
|
408 |
d621239c30f7
nginx-0.0.3-2004-04-18-23:06:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
319
diff
changeset
|
409 if ((conf->proxied & NGX_HTTP_GZIP_PROXIED_NO_STORE) |
509 | 410 && ngx_http_parse_multi_header_lines(&r->headers_out.cache_control, |
411 &ngx_http_gzip_no_store, NULL) >= 0) | |
320
d621239c30f7
nginx-0.0.3-2004-04-18-23:06:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
319
diff
changeset
|
412 { |
d621239c30f7
nginx-0.0.3-2004-04-18-23:06:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
319
diff
changeset
|
413 return NGX_OK; |
d621239c30f7
nginx-0.0.3-2004-04-18-23:06:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
319
diff
changeset
|
414 } |
d621239c30f7
nginx-0.0.3-2004-04-18-23:06:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
319
diff
changeset
|
415 |
d621239c30f7
nginx-0.0.3-2004-04-18-23:06:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
319
diff
changeset
|
416 if ((conf->proxied & NGX_HTTP_GZIP_PROXIED_PRIVATE) |
509 | 417 && ngx_http_parse_multi_header_lines(&r->headers_out.cache_control, |
418 &ngx_http_gzip_private, NULL) >= 0) | |
320
d621239c30f7
nginx-0.0.3-2004-04-18-23:06:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
319
diff
changeset
|
419 { |
d621239c30f7
nginx-0.0.3-2004-04-18-23:06:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
319
diff
changeset
|
420 return NGX_OK; |
d621239c30f7
nginx-0.0.3-2004-04-18-23:06:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
319
diff
changeset
|
421 } |
d621239c30f7
nginx-0.0.3-2004-04-18-23:06:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
319
diff
changeset
|
422 |
d621239c30f7
nginx-0.0.3-2004-04-18-23:06:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
319
diff
changeset
|
423 return NGX_DECLINED; |
d621239c30f7
nginx-0.0.3-2004-04-18-23:06:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
319
diff
changeset
|
424 } |
d621239c30f7
nginx-0.0.3-2004-04-18-23:06:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
319
diff
changeset
|
425 |
d621239c30f7
nginx-0.0.3-2004-04-18-23:06:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
319
diff
changeset
|
426 if ((conf->proxied & NGX_HTTP_GZIP_PROXIED_NO_LM) |
d621239c30f7
nginx-0.0.3-2004-04-18-23:06:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
319
diff
changeset
|
427 && r->headers_out.last_modified) |
d621239c30f7
nginx-0.0.3-2004-04-18-23:06:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
319
diff
changeset
|
428 { |
d621239c30f7
nginx-0.0.3-2004-04-18-23:06:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
319
diff
changeset
|
429 return NGX_DECLINED; |
d621239c30f7
nginx-0.0.3-2004-04-18-23:06:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
319
diff
changeset
|
430 } |
d621239c30f7
nginx-0.0.3-2004-04-18-23:06:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
319
diff
changeset
|
431 |
d621239c30f7
nginx-0.0.3-2004-04-18-23:06:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
319
diff
changeset
|
432 if ((conf->proxied & NGX_HTTP_GZIP_PROXIED_NO_ETAG) |
d621239c30f7
nginx-0.0.3-2004-04-18-23:06:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
319
diff
changeset
|
433 && r->headers_out.etag) |
d621239c30f7
nginx-0.0.3-2004-04-18-23:06:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
319
diff
changeset
|
434 { |
d621239c30f7
nginx-0.0.3-2004-04-18-23:06:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
319
diff
changeset
|
435 return NGX_DECLINED; |
d621239c30f7
nginx-0.0.3-2004-04-18-23:06:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
319
diff
changeset
|
436 } |
d621239c30f7
nginx-0.0.3-2004-04-18-23:06:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
319
diff
changeset
|
437 |
d621239c30f7
nginx-0.0.3-2004-04-18-23:06:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
319
diff
changeset
|
438 return NGX_OK; |
d621239c30f7
nginx-0.0.3-2004-04-18-23:06:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
319
diff
changeset
|
439 } |
d621239c30f7
nginx-0.0.3-2004-04-18-23:06:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
319
diff
changeset
|
440 |
d621239c30f7
nginx-0.0.3-2004-04-18-23:06:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
319
diff
changeset
|
441 |
497 | 442 static ngx_int_t |
443 ngx_http_gzip_body_filter(ngx_http_request_t *r, ngx_chain_t *in) | |
133
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
444 { |
469 | 445 int rc, wbits, memlevel; |
446 ngx_int_t last; | |
134
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
447 struct gztrailer *trailer; |
343
6bdf858bff8c
nginx-0.0.3-2004-05-28-19:49:23 import; rename ngx_hunk_t to ngx_buf_t
Igor Sysoev <igor@sysoev.ru>
parents:
335
diff
changeset
|
448 ngx_buf_t *b; |
501 | 449 ngx_chain_t *cl, out; |
133
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
450 ngx_http_gzip_ctx_t *ctx; |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
451 ngx_http_gzip_conf_t *conf; |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
452 |
243
bf2faf694c19
nginx-0.0.1-2004-01-28-23:38:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
239
diff
changeset
|
453 ctx = ngx_http_get_module_ctx(r, ngx_http_gzip_filter_module); |
133
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
454 |
243
bf2faf694c19
nginx-0.0.1-2004-01-28-23:38:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
239
diff
changeset
|
455 if (ctx == NULL || ctx->done) { |
177
4db54fdbcbe7
nginx-0.0.1-2003-11-10-20:17:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
166
diff
changeset
|
456 return ngx_http_next_body_filter(r, in); |
4db54fdbcbe7
nginx-0.0.1-2003-11-10-20:17:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
166
diff
changeset
|
457 } |
4db54fdbcbe7
nginx-0.0.1-2003-11-10-20:17:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
166
diff
changeset
|
458 |
133
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
459 conf = ngx_http_get_module_loc_conf(r, ngx_http_gzip_filter_module); |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
460 |
156
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
461 if (ctx->preallocated == NULL) { |
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
462 wbits = conf->wbits; |
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
463 memlevel = conf->memlevel; |
136
da00cde00e8a
nginx-0.0.1-2003-10-02-09:39:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
135
diff
changeset
|
464 |
da00cde00e8a
nginx-0.0.1-2003-10-02-09:39:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
135
diff
changeset
|
465 if (ctx->length > 0) { |
da00cde00e8a
nginx-0.0.1-2003-10-02-09:39:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
135
diff
changeset
|
466 |
da00cde00e8a
nginx-0.0.1-2003-10-02-09:39:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
135
diff
changeset
|
467 /* the actual zlib window size is smaller by 262 bytes */ |
da00cde00e8a
nginx-0.0.1-2003-10-02-09:39:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
135
diff
changeset
|
468 |
da00cde00e8a
nginx-0.0.1-2003-10-02-09:39:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
135
diff
changeset
|
469 while (ctx->length < ((1 << (wbits - 1)) - 262)) { |
da00cde00e8a
nginx-0.0.1-2003-10-02-09:39:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
135
diff
changeset
|
470 wbits--; |
156
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
471 memlevel--; |
136
da00cde00e8a
nginx-0.0.1-2003-10-02-09:39:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
135
diff
changeset
|
472 } |
da00cde00e8a
nginx-0.0.1-2003-10-02-09:39:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
135
diff
changeset
|
473 } |
da00cde00e8a
nginx-0.0.1-2003-10-02-09:39:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
135
diff
changeset
|
474 |
156
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
475 /* |
344
e366ba5db8f8
nginx-0.0.3-2004-06-01-10:04:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
343
diff
changeset
|
476 * We preallocate a memory for zlib in one buffer (200K-400K), this |
483 | 477 * decreases a number of malloc() and free() calls and also probably |
478 * decreases a number of syscalls (sbrk() and so on). | |
346
55e496a8ece3
nginx-0.0.3-2004-06-06-23:49:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
344
diff
changeset
|
479 * Besides we free this memory as soon as the gzipping will complete |
156
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
480 * and do not wait while a whole response will be sent to a client. |
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
481 * |
433
9a97dcdd2421
nginx-0.0.11-2004-09-21-19:47:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
431
diff
changeset
|
482 * 8K is for zlib deflate_state, it takes |
509 | 483 * *) 5816 bytes on i386 and sparc64 (32-bit mode) |
484 * *) 5920 bytes on amd64 and sparc64 | |
156
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
485 */ |
136
da00cde00e8a
nginx-0.0.1-2003-10-02-09:39:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
135
diff
changeset
|
486 |
156
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
487 ctx->allocated = 8192 + (1 << (wbits + 2)) + (1 << (memlevel + 9)); |
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
488 |
501 | 489 ctx->preallocated = ngx_palloc(r->pool, ctx->allocated); |
490 if (ctx->preallocated == NULL) { | |
430
1fa5daf7558e
nginx-0.0.11-2004-09-19-22:27:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
416
diff
changeset
|
491 return NGX_ERROR; |
1fa5daf7558e
nginx-0.0.11-2004-09-19-22:27:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
416
diff
changeset
|
492 } |
1fa5daf7558e
nginx-0.0.11-2004-09-19-22:27:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
416
diff
changeset
|
493 |
156
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
494 ctx->free_mem = ctx->preallocated; |
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
495 |
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
496 ctx->zstream.zalloc = ngx_http_gzip_filter_alloc; |
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
497 ctx->zstream.zfree = ngx_http_gzip_filter_free; |
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
498 ctx->zstream.opaque = ctx; |
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
499 |
589 | 500 rc = deflateInit2(&ctx->zstream, (int) conf->level, Z_DEFLATED, |
156
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
501 -wbits, memlevel, Z_DEFAULT_STRATEGY); |
133
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
502 |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
503 if (rc != Z_OK) { |
134
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
504 ngx_log_error(NGX_LOG_ALERT, r->connection->log, 0, |
133
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
505 "deflateInit2() failed: %d", rc); |
479 | 506 ngx_http_gzip_error(ctx); |
507 return NGX_ERROR; | |
133
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
508 } |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
509 |
501 | 510 b = ngx_pcalloc(r->pool, sizeof(ngx_buf_t)); |
511 if (b == NULL) { | |
479 | 512 ngx_http_gzip_error(ctx); |
513 return NGX_ERROR; | |
430
1fa5daf7558e
nginx-0.0.11-2004-09-19-22:27:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
416
diff
changeset
|
514 } |
133
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
515 |
343
6bdf858bff8c
nginx-0.0.3-2004-05-28-19:49:23 import; rename ngx_hunk_t to ngx_buf_t
Igor Sysoev <igor@sysoev.ru>
parents:
335
diff
changeset
|
516 b->memory = 1; |
6bdf858bff8c
nginx-0.0.3-2004-05-28-19:49:23 import; rename ngx_hunk_t to ngx_buf_t
Igor Sysoev <igor@sysoev.ru>
parents:
335
diff
changeset
|
517 b->pos = gzheader; |
6bdf858bff8c
nginx-0.0.3-2004-05-28-19:49:23 import; rename ngx_hunk_t to ngx_buf_t
Igor Sysoev <igor@sysoev.ru>
parents:
335
diff
changeset
|
518 b->last = b->pos + 10; |
133
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
519 |
501 | 520 out.buf = b; |
521 out.next = NULL; | |
469 | 522 |
523 /* | |
524 * We pass the gzheader to the next filter now to avoid its linking | |
525 * to the ctx->busy chain. zlib does not usually output the compressed | |
526 * data in the initial iterations, so the gzheader that was linked | |
527 * to the ctx->busy chain would be flushed by ngx_http_write_filter(). | |
528 */ | |
529 | |
501 | 530 if (ngx_http_next_body_filter(r, &out) == NGX_ERROR) { |
479 | 531 ngx_http_gzip_error(ctx); |
532 return NGX_ERROR; | |
469 | 533 } |
534 | |
597 | 535 r->connection->buffered |= NGX_HTTP_GZIP_BUFFERED; |
536 | |
469 | 537 ctx->last_out = &ctx->out; |
133
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
538 |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
539 ctx->crc32 = crc32(0L, Z_NULL, 0); |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
540 ctx->flush = Z_NO_FLUSH; |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
541 } |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
542 |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
543 if (in) { |
134
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
544 if (ngx_chain_add_copy(r->pool, &ctx->in, in) == NGX_ERROR) { |
479 | 545 ngx_http_gzip_error(ctx); |
546 return NGX_ERROR; | |
134
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
547 } |
133
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
548 } |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
549 |
141
656d468f4ead
nginx-0.0.1-2003-10-08-19:32:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
136
diff
changeset
|
550 last = NGX_NONE; |
656d468f4ead
nginx-0.0.1-2003-10-08-19:32:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
136
diff
changeset
|
551 |
135
e29909bd9b8a
nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
134
diff
changeset
|
552 for ( ;; ) { |
e29909bd9b8a
nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
134
diff
changeset
|
553 |
133
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
554 for ( ;; ) { |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
555 |
430
1fa5daf7558e
nginx-0.0.11-2004-09-19-22:27:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
416
diff
changeset
|
556 /* does zlib need a new data ? */ |
135
e29909bd9b8a
nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
134
diff
changeset
|
557 |
e29909bd9b8a
nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
134
diff
changeset
|
558 if (ctx->zstream.avail_in == 0 |
e29909bd9b8a
nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
134
diff
changeset
|
559 && ctx->flush == Z_NO_FLUSH |
326
8733703a37f3
nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
325
diff
changeset
|
560 && !ctx->redo) |
8733703a37f3
nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
325
diff
changeset
|
561 { |
323
ba876b26b76d
nginx-0.0.3-2004-04-21-22:54:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
322
diff
changeset
|
562 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
461 | 563 "gzip in: %p", ctx->in); |
323
ba876b26b76d
nginx-0.0.3-2004-04-21-22:54:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
322
diff
changeset
|
564 |
135
e29909bd9b8a
nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
134
diff
changeset
|
565 if (ctx->in == NULL) { |
e29909bd9b8a
nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
134
diff
changeset
|
566 break; |
e29909bd9b8a
nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
134
diff
changeset
|
567 } |
e29909bd9b8a
nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
134
diff
changeset
|
568 |
343
6bdf858bff8c
nginx-0.0.3-2004-05-28-19:49:23 import; rename ngx_hunk_t to ngx_buf_t
Igor Sysoev <igor@sysoev.ru>
parents:
335
diff
changeset
|
569 ctx->in_buf = ctx->in->buf; |
133
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
570 ctx->in = ctx->in->next; |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
571 |
343
6bdf858bff8c
nginx-0.0.3-2004-05-28-19:49:23 import; rename ngx_hunk_t to ngx_buf_t
Igor Sysoev <igor@sysoev.ru>
parents:
335
diff
changeset
|
572 ctx->zstream.next_in = ctx->in_buf->pos; |
6bdf858bff8c
nginx-0.0.3-2004-05-28-19:49:23 import; rename ngx_hunk_t to ngx_buf_t
Igor Sysoev <igor@sysoev.ru>
parents:
335
diff
changeset
|
573 ctx->zstream.avail_in = ctx->in_buf->last - ctx->in_buf->pos; |
134
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
574 |
323
ba876b26b76d
nginx-0.0.3-2004-04-21-22:54:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
322
diff
changeset
|
575 ngx_log_debug3(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
461 | 576 "gzip in_buf:%p ni:%p ai:%ud", |
343
6bdf858bff8c
nginx-0.0.3-2004-05-28-19:49:23 import; rename ngx_hunk_t to ngx_buf_t
Igor Sysoev <igor@sysoev.ru>
parents:
335
diff
changeset
|
577 ctx->in_buf, |
323
ba876b26b76d
nginx-0.0.3-2004-04-21-22:54:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
322
diff
changeset
|
578 ctx->zstream.next_in, ctx->zstream.avail_in); |
ba876b26b76d
nginx-0.0.3-2004-04-21-22:54:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
322
diff
changeset
|
579 |
ba876b26b76d
nginx-0.0.3-2004-04-21-22:54:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
322
diff
changeset
|
580 /* STUB */ |
343
6bdf858bff8c
nginx-0.0.3-2004-05-28-19:49:23 import; rename ngx_hunk_t to ngx_buf_t
Igor Sysoev <igor@sysoev.ru>
parents:
335
diff
changeset
|
581 if (ctx->in_buf->last < ctx->in_buf->pos) { |
323
ba876b26b76d
nginx-0.0.3-2004-04-21-22:54:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
322
diff
changeset
|
582 ngx_log_error(NGX_LOG_ALERT, r->connection->log, 0, |
ba876b26b76d
nginx-0.0.3-2004-04-21-22:54:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
322
diff
changeset
|
583 "zstream.avail_in is huge"); |
326
8733703a37f3
nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
325
diff
changeset
|
584 ctx->done = 1; |
323
ba876b26b76d
nginx-0.0.3-2004-04-21-22:54:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
322
diff
changeset
|
585 return NGX_ERROR; |
ba876b26b76d
nginx-0.0.3-2004-04-21-22:54:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
322
diff
changeset
|
586 } |
430
1fa5daf7558e
nginx-0.0.11-2004-09-19-22:27:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
416
diff
changeset
|
587 /**/ |
323
ba876b26b76d
nginx-0.0.3-2004-04-21-22:54:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
322
diff
changeset
|
588 |
343
6bdf858bff8c
nginx-0.0.3-2004-05-28-19:49:23 import; rename ngx_hunk_t to ngx_buf_t
Igor Sysoev <igor@sysoev.ru>
parents:
335
diff
changeset
|
589 if (ctx->in_buf->last_buf) { |
133
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
590 ctx->flush = Z_FINISH; |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
591 |
343
6bdf858bff8c
nginx-0.0.3-2004-05-28-19:49:23 import; rename ngx_hunk_t to ngx_buf_t
Igor Sysoev <igor@sysoev.ru>
parents:
335
diff
changeset
|
592 } else if (ctx->in_buf->flush) { |
134
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
593 ctx->flush = Z_SYNC_FLUSH; |
133
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
594 } |
135
e29909bd9b8a
nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
134
diff
changeset
|
595 |
e29909bd9b8a
nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
134
diff
changeset
|
596 if (ctx->zstream.avail_in == 0) { |
e29909bd9b8a
nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
134
diff
changeset
|
597 if (ctx->flush == Z_NO_FLUSH) { |
e29909bd9b8a
nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
134
diff
changeset
|
598 continue; |
e29909bd9b8a
nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
134
diff
changeset
|
599 } |
e29909bd9b8a
nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
134
diff
changeset
|
600 |
e29909bd9b8a
nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
134
diff
changeset
|
601 } else { |
e29909bd9b8a
nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
134
diff
changeset
|
602 ctx->crc32 = crc32(ctx->crc32, ctx->zstream.next_in, |
e29909bd9b8a
nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
134
diff
changeset
|
603 ctx->zstream.avail_in); |
e29909bd9b8a
nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
134
diff
changeset
|
604 } |
133
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
605 } |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
606 |
430
1fa5daf7558e
nginx-0.0.11-2004-09-19-22:27:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
416
diff
changeset
|
607 |
135
e29909bd9b8a
nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
134
diff
changeset
|
608 /* is there a space for the gzipped data ? */ |
e29909bd9b8a
nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
134
diff
changeset
|
609 |
134
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
610 if (ctx->zstream.avail_out == 0) { |
430
1fa5daf7558e
nginx-0.0.11-2004-09-19-22:27:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
416
diff
changeset
|
611 |
133
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
612 if (ctx->free) { |
343
6bdf858bff8c
nginx-0.0.3-2004-05-28-19:49:23 import; rename ngx_hunk_t to ngx_buf_t
Igor Sysoev <igor@sysoev.ru>
parents:
335
diff
changeset
|
613 ctx->out_buf = ctx->free->buf; |
133
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
614 ctx->free = ctx->free->next; |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
615 |
343
6bdf858bff8c
nginx-0.0.3-2004-05-28-19:49:23 import; rename ngx_hunk_t to ngx_buf_t
Igor Sysoev <igor@sysoev.ru>
parents:
335
diff
changeset
|
616 } else if (ctx->bufs < conf->bufs.num) { |
430
1fa5daf7558e
nginx-0.0.11-2004-09-19-22:27:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
416
diff
changeset
|
617 ctx->out_buf = ngx_create_temp_buf(r->pool, |
1fa5daf7558e
nginx-0.0.11-2004-09-19-22:27:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
416
diff
changeset
|
618 conf->bufs.size); |
1fa5daf7558e
nginx-0.0.11-2004-09-19-22:27:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
416
diff
changeset
|
619 if (ctx->out_buf == NULL) { |
479 | 620 ngx_http_gzip_error(ctx); |
621 return NGX_ERROR; | |
430
1fa5daf7558e
nginx-0.0.11-2004-09-19-22:27:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
416
diff
changeset
|
622 } |
1fa5daf7558e
nginx-0.0.11-2004-09-19-22:27:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
416
diff
changeset
|
623 |
343
6bdf858bff8c
nginx-0.0.3-2004-05-28-19:49:23 import; rename ngx_hunk_t to ngx_buf_t
Igor Sysoev <igor@sysoev.ru>
parents:
335
diff
changeset
|
624 ctx->out_buf->tag = (ngx_buf_tag_t) |
154
eac26585476e
nginx-0.0.1-2003-10-22-11:05:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
153
diff
changeset
|
625 &ngx_http_gzip_filter_module; |
343
6bdf858bff8c
nginx-0.0.3-2004-05-28-19:49:23 import; rename ngx_hunk_t to ngx_buf_t
Igor Sysoev <igor@sysoev.ru>
parents:
335
diff
changeset
|
626 ctx->out_buf->recycled = 1; |
6bdf858bff8c
nginx-0.0.3-2004-05-28-19:49:23 import; rename ngx_hunk_t to ngx_buf_t
Igor Sysoev <igor@sysoev.ru>
parents:
335
diff
changeset
|
627 ctx->bufs++; |
133
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
628 |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
629 } else { |
135
e29909bd9b8a
nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
134
diff
changeset
|
630 break; |
133
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
631 } |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
632 |
343
6bdf858bff8c
nginx-0.0.3-2004-05-28-19:49:23 import; rename ngx_hunk_t to ngx_buf_t
Igor Sysoev <igor@sysoev.ru>
parents:
335
diff
changeset
|
633 ctx->zstream.next_out = ctx->out_buf->pos; |
141
656d468f4ead
nginx-0.0.1-2003-10-08-19:32:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
136
diff
changeset
|
634 ctx->zstream.avail_out = conf->bufs.size; |
133
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
635 } |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
636 |
323
ba876b26b76d
nginx-0.0.3-2004-04-21-22:54:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
322
diff
changeset
|
637 ngx_log_debug6(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
461 | 638 "deflate in: ni:%p no:%p ai:%ud ao:%ud fl:%d redo:%d", |
639 ctx->zstream.next_in, ctx->zstream.next_out, | |
640 ctx->zstream.avail_in, ctx->zstream.avail_out, | |
641 ctx->flush, ctx->redo); | |
135
e29909bd9b8a
nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
134
diff
changeset
|
642 |
134
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
643 rc = deflate(&ctx->zstream, ctx->flush); |
430
1fa5daf7558e
nginx-0.0.11-2004-09-19-22:27:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
416
diff
changeset
|
644 |
133
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
645 if (rc != Z_OK && rc != Z_STREAM_END) { |
134
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
646 ngx_log_error(NGX_LOG_ALERT, r->connection->log, 0, |
133
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
647 "deflate() failed: %d, %d", ctx->flush, rc); |
479 | 648 ngx_http_gzip_error(ctx); |
649 return NGX_ERROR; | |
133
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
650 } |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
651 |
257
70e1c7d2b83d
nginx-0.0.2-2004-02-11-20:08:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
243
diff
changeset
|
652 ngx_log_debug5(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
461 | 653 "deflate out: ni:%p no:%p ai:%ud ao:%ud rc:%d", |
257
70e1c7d2b83d
nginx-0.0.2-2004-02-11-20:08:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
243
diff
changeset
|
654 ctx->zstream.next_in, ctx->zstream.next_out, |
70e1c7d2b83d
nginx-0.0.2-2004-02-11-20:08:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
243
diff
changeset
|
655 ctx->zstream.avail_in, ctx->zstream.avail_out, |
70e1c7d2b83d
nginx-0.0.2-2004-02-11-20:08:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
243
diff
changeset
|
656 rc); |
134
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
657 |
323
ba876b26b76d
nginx-0.0.3-2004-04-21-22:54:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
322
diff
changeset
|
658 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
461 | 659 "gzip in_buf:%p pos:%p", |
343
6bdf858bff8c
nginx-0.0.3-2004-05-28-19:49:23 import; rename ngx_hunk_t to ngx_buf_t
Igor Sysoev <igor@sysoev.ru>
parents:
335
diff
changeset
|
660 ctx->in_buf, ctx->in_buf->pos); |
323
ba876b26b76d
nginx-0.0.3-2004-04-21-22:54:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
322
diff
changeset
|
661 |
326
8733703a37f3
nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
325
diff
changeset
|
662 |
327
e0f3f238db09
nginx-0.0.3-2004-04-26-17:40:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
326
diff
changeset
|
663 if (ctx->zstream.next_in) { |
343
6bdf858bff8c
nginx-0.0.3-2004-05-28-19:49:23 import; rename ngx_hunk_t to ngx_buf_t
Igor Sysoev <igor@sysoev.ru>
parents:
335
diff
changeset
|
664 ctx->in_buf->pos = ctx->zstream.next_in; |
327
e0f3f238db09
nginx-0.0.3-2004-04-26-17:40:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
326
diff
changeset
|
665 |
e0f3f238db09
nginx-0.0.3-2004-04-26-17:40:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
326
diff
changeset
|
666 if (ctx->zstream.avail_in == 0) { |
e0f3f238db09
nginx-0.0.3-2004-04-26-17:40:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
326
diff
changeset
|
667 ctx->zstream.next_in = NULL; |
e0f3f238db09
nginx-0.0.3-2004-04-26-17:40:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
326
diff
changeset
|
668 } |
326
8733703a37f3
nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
325
diff
changeset
|
669 } |
327
e0f3f238db09
nginx-0.0.3-2004-04-26-17:40:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
326
diff
changeset
|
670 |
343
6bdf858bff8c
nginx-0.0.3-2004-05-28-19:49:23 import; rename ngx_hunk_t to ngx_buf_t
Igor Sysoev <igor@sysoev.ru>
parents:
335
diff
changeset
|
671 ctx->out_buf->last = ctx->zstream.next_out; |
133
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
672 |
134
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
673 if (ctx->zstream.avail_out == 0) { |
430
1fa5daf7558e
nginx-0.0.11-2004-09-19-22:27:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
416
diff
changeset
|
674 |
1fa5daf7558e
nginx-0.0.11-2004-09-19-22:27:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
416
diff
changeset
|
675 /* zlib wants to output some more gzipped data */ |
1fa5daf7558e
nginx-0.0.11-2004-09-19-22:27:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
416
diff
changeset
|
676 |
501 | 677 cl = ngx_alloc_chain_link(r->pool); |
678 if (cl == NULL) { | |
479 | 679 ngx_http_gzip_error(ctx); |
680 return NGX_ERROR; | |
461 | 681 } |
501 | 682 |
461 | 683 cl->buf = ctx->out_buf; |
684 cl->next = NULL; | |
155
46eb23d9471d
nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents:
154
diff
changeset
|
685 *ctx->last_out = cl; |
46eb23d9471d
nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents:
154
diff
changeset
|
686 ctx->last_out = &cl->next; |
430
1fa5daf7558e
nginx-0.0.11-2004-09-19-22:27:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
416
diff
changeset
|
687 |
135
e29909bd9b8a
nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
134
diff
changeset
|
688 ctx->redo = 1; |
133
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
689 |
323
ba876b26b76d
nginx-0.0.3-2004-04-21-22:54:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
322
diff
changeset
|
690 continue; |
ba876b26b76d
nginx-0.0.3-2004-04-21-22:54:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
322
diff
changeset
|
691 } |
133
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
692 |
323
ba876b26b76d
nginx-0.0.3-2004-04-21-22:54:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
322
diff
changeset
|
693 ctx->redo = 0; |
ba876b26b76d
nginx-0.0.3-2004-04-21-22:54:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
322
diff
changeset
|
694 |
ba876b26b76d
nginx-0.0.3-2004-04-21-22:54:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
322
diff
changeset
|
695 if (ctx->flush == Z_SYNC_FLUSH) { |
430
1fa5daf7558e
nginx-0.0.11-2004-09-19-22:27:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
416
diff
changeset
|
696 |
509 | 697 ctx->zstream.avail_out = 0; |
698 ctx->out_buf->flush = 1; | |
323
ba876b26b76d
nginx-0.0.3-2004-04-21-22:54:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
322
diff
changeset
|
699 ctx->flush = Z_NO_FLUSH; |
134
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
700 |
501 | 701 cl = ngx_alloc_chain_link(r->pool); |
702 if (cl == NULL) { | |
479 | 703 ngx_http_gzip_error(ctx); |
704 return NGX_ERROR; | |
461 | 705 } |
501 | 706 |
461 | 707 cl->buf = ctx->out_buf; |
708 cl->next = NULL; | |
323
ba876b26b76d
nginx-0.0.3-2004-04-21-22:54:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
322
diff
changeset
|
709 *ctx->last_out = cl; |
ba876b26b76d
nginx-0.0.3-2004-04-21-22:54:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
322
diff
changeset
|
710 ctx->last_out = &cl->next; |
430
1fa5daf7558e
nginx-0.0.11-2004-09-19-22:27:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
416
diff
changeset
|
711 |
323
ba876b26b76d
nginx-0.0.3-2004-04-21-22:54:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
322
diff
changeset
|
712 break; |
ba876b26b76d
nginx-0.0.3-2004-04-21-22:54:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
322
diff
changeset
|
713 } |
ba876b26b76d
nginx-0.0.3-2004-04-21-22:54:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
322
diff
changeset
|
714 |
327
e0f3f238db09
nginx-0.0.3-2004-04-26-17:40:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
326
diff
changeset
|
715 if (rc == Z_STREAM_END) { |
323
ba876b26b76d
nginx-0.0.3-2004-04-21-22:54:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
322
diff
changeset
|
716 |
ba876b26b76d
nginx-0.0.3-2004-04-21-22:54:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
322
diff
changeset
|
717 ctx->zin = ctx->zstream.total_in; |
ba876b26b76d
nginx-0.0.3-2004-04-21-22:54:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
322
diff
changeset
|
718 ctx->zout = 10 + ctx->zstream.total_out + 8; |
156
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
719 |
323
ba876b26b76d
nginx-0.0.3-2004-04-21-22:54:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
322
diff
changeset
|
720 rc = deflateEnd(&ctx->zstream); |
430
1fa5daf7558e
nginx-0.0.11-2004-09-19-22:27:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
416
diff
changeset
|
721 |
323
ba876b26b76d
nginx-0.0.3-2004-04-21-22:54:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
322
diff
changeset
|
722 if (rc != Z_OK) { |
ba876b26b76d
nginx-0.0.3-2004-04-21-22:54:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
322
diff
changeset
|
723 ngx_log_error(NGX_LOG_ALERT, r->connection->log, 0, |
ba876b26b76d
nginx-0.0.3-2004-04-21-22:54:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
322
diff
changeset
|
724 "deflateEnd() failed: %d", rc); |
479 | 725 ngx_http_gzip_error(ctx); |
726 return NGX_ERROR; | |
323
ba876b26b76d
nginx-0.0.3-2004-04-21-22:54:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
322
diff
changeset
|
727 } |
134
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
728 |
323
ba876b26b76d
nginx-0.0.3-2004-04-21-22:54:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
322
diff
changeset
|
729 ngx_pfree(r->pool, ctx->preallocated); |
ba876b26b76d
nginx-0.0.3-2004-04-21-22:54:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
322
diff
changeset
|
730 |
501 | 731 cl = ngx_alloc_chain_link(r->pool); |
732 if (cl == NULL) { | |
479 | 733 ngx_http_gzip_error(ctx); |
734 return NGX_ERROR; | |
461 | 735 } |
501 | 736 |
461 | 737 cl->buf = ctx->out_buf; |
738 cl->next = NULL; | |
323
ba876b26b76d
nginx-0.0.3-2004-04-21-22:54:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
322
diff
changeset
|
739 *ctx->last_out = cl; |
ba876b26b76d
nginx-0.0.3-2004-04-21-22:54:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
322
diff
changeset
|
740 ctx->last_out = &cl->next; |
135
e29909bd9b8a
nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
134
diff
changeset
|
741 |
323
ba876b26b76d
nginx-0.0.3-2004-04-21-22:54:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
322
diff
changeset
|
742 if (ctx->zstream.avail_out >= 8) { |
343
6bdf858bff8c
nginx-0.0.3-2004-05-28-19:49:23 import; rename ngx_hunk_t to ngx_buf_t
Igor Sysoev <igor@sysoev.ru>
parents:
335
diff
changeset
|
743 trailer = (struct gztrailer *) ctx->out_buf->last; |
6bdf858bff8c
nginx-0.0.3-2004-05-28-19:49:23 import; rename ngx_hunk_t to ngx_buf_t
Igor Sysoev <igor@sysoev.ru>
parents:
335
diff
changeset
|
744 ctx->out_buf->last += 8; |
6bdf858bff8c
nginx-0.0.3-2004-05-28-19:49:23 import; rename ngx_hunk_t to ngx_buf_t
Igor Sysoev <igor@sysoev.ru>
parents:
335
diff
changeset
|
745 ctx->out_buf->last_buf = 1; |
156
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
746 |
323
ba876b26b76d
nginx-0.0.3-2004-04-21-22:54:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
322
diff
changeset
|
747 } else { |
501 | 748 b = ngx_create_temp_buf(r->pool, 8); |
749 if (b == NULL) { | |
479 | 750 ngx_http_gzip_error(ctx); |
751 return NGX_ERROR; | |
430
1fa5daf7558e
nginx-0.0.11-2004-09-19-22:27:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
416
diff
changeset
|
752 } |
134
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
753 |
343
6bdf858bff8c
nginx-0.0.3-2004-05-28-19:49:23 import; rename ngx_hunk_t to ngx_buf_t
Igor Sysoev <igor@sysoev.ru>
parents:
335
diff
changeset
|
754 b->last_buf = 1; |
323
ba876b26b76d
nginx-0.0.3-2004-04-21-22:54:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
322
diff
changeset
|
755 |
501 | 756 cl = ngx_alloc_chain_link(r->pool); |
757 if (cl == NULL) { | |
479 | 758 ngx_http_gzip_error(ctx); |
759 return NGX_ERROR; | |
461 | 760 } |
501 | 761 |
461 | 762 cl->buf = b; |
763 cl->next = NULL; | |
155
46eb23d9471d
nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents:
154
diff
changeset
|
764 *ctx->last_out = cl; |
46eb23d9471d
nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents:
154
diff
changeset
|
765 ctx->last_out = &cl->next; |
343
6bdf858bff8c
nginx-0.0.3-2004-05-28-19:49:23 import; rename ngx_hunk_t to ngx_buf_t
Igor Sysoev <igor@sysoev.ru>
parents:
335
diff
changeset
|
766 trailer = (struct gztrailer *) b->pos; |
6bdf858bff8c
nginx-0.0.3-2004-05-28-19:49:23 import; rename ngx_hunk_t to ngx_buf_t
Igor Sysoev <igor@sysoev.ru>
parents:
335
diff
changeset
|
767 b->last += 8; |
323
ba876b26b76d
nginx-0.0.3-2004-04-21-22:54:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
322
diff
changeset
|
768 } |
134
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
769 |
479 | 770 #if (NGX_HAVE_LITTLE_ENDIAN && NGX_HAVE_NONALIGNED) |
771 | |
323
ba876b26b76d
nginx-0.0.3-2004-04-21-22:54:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
322
diff
changeset
|
772 trailer->crc32 = ctx->crc32; |
ba876b26b76d
nginx-0.0.3-2004-04-21-22:54:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
322
diff
changeset
|
773 trailer->zlen = ctx->zin; |
479 | 774 |
134
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
775 #else |
479 | 776 trailer->crc32[0] = (u_char) (ctx->crc32 & 0xff); |
777 trailer->crc32[1] = (u_char) ((ctx->crc32 >> 8) & 0xff); | |
778 trailer->crc32[2] = (u_char) ((ctx->crc32 >> 16) & 0xff); | |
779 trailer->crc32[3] = (u_char) ((ctx->crc32 >> 24) & 0xff); | |
355
0fb6c53fb135
nginx-0.0.7-2004-06-15-21:47:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
346
diff
changeset
|
780 |
479 | 781 trailer->zlen[0] = (u_char) (ctx->zin & 0xff); |
782 trailer->zlen[1] = (u_char) ((ctx->zin >> 8) & 0xff); | |
783 trailer->zlen[2] = (u_char) ((ctx->zin >> 16) & 0xff); | |
784 trailer->zlen[3] = (u_char) ((ctx->zin >> 24) & 0xff); | |
134
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
785 #endif |
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
786 |
323
ba876b26b76d
nginx-0.0.3-2004-04-21-22:54:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
322
diff
changeset
|
787 ctx->zstream.avail_in = 0; |
ba876b26b76d
nginx-0.0.3-2004-04-21-22:54:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
322
diff
changeset
|
788 ctx->zstream.avail_out = 0; |
156
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
789 |
323
ba876b26b76d
nginx-0.0.3-2004-04-21-22:54:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
322
diff
changeset
|
790 ctx->done = 1; |
177
4db54fdbcbe7
nginx-0.0.1-2003-11-10-20:17:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
166
diff
changeset
|
791 |
597 | 792 r->connection->buffered &= ~NGX_HTTP_GZIP_BUFFERED; |
793 | |
323
ba876b26b76d
nginx-0.0.3-2004-04-21-22:54:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
322
diff
changeset
|
794 break; |
ba876b26b76d
nginx-0.0.3-2004-04-21-22:54:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
322
diff
changeset
|
795 } |
133
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
796 |
323
ba876b26b76d
nginx-0.0.3-2004-04-21-22:54:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
322
diff
changeset
|
797 if (conf->no_buffer && ctx->in == NULL) { |
501 | 798 |
799 cl = ngx_alloc_chain_link(r->pool); | |
800 if (cl == NULL) { | |
479 | 801 ngx_http_gzip_error(ctx); |
802 return NGX_ERROR; | |
461 | 803 } |
501 | 804 |
461 | 805 cl->buf = ctx->out_buf; |
806 cl->next = NULL; | |
323
ba876b26b76d
nginx-0.0.3-2004-04-21-22:54:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
322
diff
changeset
|
807 *ctx->last_out = cl; |
ba876b26b76d
nginx-0.0.3-2004-04-21-22:54:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
322
diff
changeset
|
808 ctx->last_out = &cl->next; |
430
1fa5daf7558e
nginx-0.0.11-2004-09-19-22:27:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
416
diff
changeset
|
809 |
323
ba876b26b76d
nginx-0.0.3-2004-04-21-22:54:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
322
diff
changeset
|
810 break; |
133
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
811 } |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
812 } |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
813 |
469 | 814 if (last == NGX_AGAIN && !ctx->done) { |
430
1fa5daf7558e
nginx-0.0.11-2004-09-19-22:27:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
416
diff
changeset
|
815 return NGX_AGAIN; |
1fa5daf7558e
nginx-0.0.11-2004-09-19-22:27:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
416
diff
changeset
|
816 } |
1fa5daf7558e
nginx-0.0.11-2004-09-19-22:27:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
416
diff
changeset
|
817 |
1fa5daf7558e
nginx-0.0.11-2004-09-19-22:27:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
416
diff
changeset
|
818 if (ctx->out == NULL && ctx->busy == NULL) { |
1fa5daf7558e
nginx-0.0.11-2004-09-19-22:27:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
416
diff
changeset
|
819 return NGX_OK; |
1fa5daf7558e
nginx-0.0.11-2004-09-19-22:27:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
416
diff
changeset
|
820 } |
1fa5daf7558e
nginx-0.0.11-2004-09-19-22:27:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
416
diff
changeset
|
821 |
155
46eb23d9471d
nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents:
154
diff
changeset
|
822 last = ngx_http_next_body_filter(r, ctx->out); |
141
656d468f4ead
nginx-0.0.1-2003-10-08-19:32:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
136
diff
changeset
|
823 |
430
1fa5daf7558e
nginx-0.0.11-2004-09-19-22:27:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
416
diff
changeset
|
824 /* |
1fa5daf7558e
nginx-0.0.11-2004-09-19-22:27:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
416
diff
changeset
|
825 * we do not check NGX_AGAIN here because the downstream filters |
1fa5daf7558e
nginx-0.0.11-2004-09-19-22:27:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
416
diff
changeset
|
826 * may free some buffers and zlib may compress some data into them |
1fa5daf7558e
nginx-0.0.11-2004-09-19-22:27:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
416
diff
changeset
|
827 */ |
1fa5daf7558e
nginx-0.0.11-2004-09-19-22:27:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
416
diff
changeset
|
828 |
141
656d468f4ead
nginx-0.0.1-2003-10-08-19:32:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
136
diff
changeset
|
829 if (last == NGX_ERROR) { |
479 | 830 ngx_http_gzip_error(ctx); |
831 return NGX_ERROR; | |
133
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
832 } |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
833 |
154
eac26585476e
nginx-0.0.1-2003-10-22-11:05:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
153
diff
changeset
|
834 ngx_chain_update_chains(&ctx->free, &ctx->busy, &ctx->out, |
501 | 835 (ngx_buf_tag_t) &ngx_http_gzip_filter_module); |
134
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
836 ctx->last_out = &ctx->out; |
327
e0f3f238db09
nginx-0.0.3-2004-04-26-17:40:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
326
diff
changeset
|
837 |
e0f3f238db09
nginx-0.0.3-2004-04-26-17:40:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
326
diff
changeset
|
838 if (ctx->done) { |
e0f3f238db09
nginx-0.0.3-2004-04-26-17:40:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
326
diff
changeset
|
839 return last; |
e0f3f238db09
nginx-0.0.3-2004-04-26-17:40:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
326
diff
changeset
|
840 } |
133
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
841 } |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
842 } |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
843 |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
844 |
497 | 845 static void * |
846 ngx_http_gzip_filter_alloc(void *opaque, u_int items, u_int size) | |
156
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
847 { |
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
848 ngx_http_gzip_ctx_t *ctx = opaque; |
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
849 |
294
5cfd65b8b0a7
nginx-0.0.3-2004-03-23-09:01:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
292
diff
changeset
|
850 void *p; |
5cfd65b8b0a7
nginx-0.0.3-2004-03-23-09:01:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
292
diff
changeset
|
851 ngx_uint_t alloc; |
156
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
852 |
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
853 alloc = items * size; |
461 | 854 |
156
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
855 if (alloc % 512 != 0) { |
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
856 |
346
55e496a8ece3
nginx-0.0.3-2004-06-06-23:49:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
344
diff
changeset
|
857 /* |
461 | 858 * The zlib deflate_state allocation, it takes about 6K, |
859 * we allocate 8K. Other allocations are divisible by 512. | |
346
55e496a8ece3
nginx-0.0.3-2004-06-06-23:49:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
344
diff
changeset
|
860 */ |
156
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
861 |
346
55e496a8ece3
nginx-0.0.3-2004-06-06-23:49:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
344
diff
changeset
|
862 alloc = (alloc + ngx_pagesize - 1) & ~(ngx_pagesize - 1); |
156
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
863 } |
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
864 |
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
865 if (alloc <= ctx->allocated) { |
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
866 p = ctx->free_mem; |
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
867 ctx->free_mem += alloc; |
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
868 ctx->allocated -= alloc; |
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
869 |
257
70e1c7d2b83d
nginx-0.0.2-2004-02-11-20:08:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
243
diff
changeset
|
870 ngx_log_debug4(NGX_LOG_DEBUG_HTTP, ctx->request->connection->log, 0, |
461 | 871 "gzip alloc: n:%ud s:%ud a:%ud p:%p", |
257
70e1c7d2b83d
nginx-0.0.2-2004-02-11-20:08:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
243
diff
changeset
|
872 items, size, alloc, p); |
156
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
873 |
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
874 return p; |
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
875 } |
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
876 |
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
877 ngx_log_error(NGX_LOG_ALERT, ctx->request->connection->log, 0, |
461 | 878 "gzip filter failed to use preallocated memory: %ud of %ud", |
156
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
879 items * size, ctx->allocated); |
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
880 |
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
881 p = ngx_palloc(ctx->request->pool, items * size); |
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
882 |
afc333135a6b
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883 return p; |
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884 } |
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885 |
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886 |
497 | 887 static void |
888 ngx_http_gzip_filter_free(void *opaque, void *address) | |
156
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889 { |
282
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890 #if 0 |
156
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891 ngx_http_gzip_ctx_t *ctx = opaque; |
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892 |
257
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893 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, ctx->request->connection->log, 0, |
461 | 894 "gzip free: %p", address); |
156
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895 #endif |
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896 } |
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897 |
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898 |
497 | 899 static void |
900 ngx_http_gzip_error(ngx_http_gzip_ctx_t *ctx) | |
133
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901 { |
135
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902 deflateEnd(&ctx->zstream); |
156
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903 |
469 | 904 if (ctx->preallocated) { |
905 ngx_pfree(ctx->request->pool, ctx->preallocated); | |
906 } | |
133
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907 |
135
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908 ctx->zstream.avail_in = 0; |
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909 ctx->zstream.avail_out = 0; |
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910 |
326
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911 ctx->done = 1; |
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912 |
479 | 913 return; |
133
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914 } |
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915 |
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916 |
497 | 917 static ngx_int_t |
573 | 918 ngx_http_gzip_add_variables(ngx_conf_t *cf) |
177
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919 { |
880 | 920 ngx_http_variable_t *var; |
177
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921 |
583 | 922 var = ngx_http_add_variable(cf, &ngx_http_gzip_ratio, NGX_HTTP_VAR_NOHASH); |
573 | 923 if (var == NULL) { |
924 return NGX_ERROR; | |
925 } | |
926 | |
637 | 927 var->get_handler = ngx_http_gzip_ratio_variable; |
573 | 928 |
177
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929 return NGX_OK; |
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930 } |
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931 |
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932 |
497 | 933 static ngx_int_t |
573 | 934 ngx_http_gzip_ratio_variable(ngx_http_request_t *r, |
935 ngx_http_variable_value_t *v, uintptr_t data) | |
936 { | |
937 ngx_uint_t zint, zfrac; | |
938 ngx_http_gzip_ctx_t *ctx; | |
939 | |
577 | 940 v->valid = 1; |
573 | 941 v->no_cachable = 0; |
942 v->not_found = 0; | |
943 | |
944 ctx = ngx_http_get_module_ctx(r, ngx_http_gzip_filter_module); | |
945 | |
946 if (ctx == NULL || ctx->zout == 0) { | |
947 v->not_found = 1; | |
948 return NGX_OK; | |
949 } | |
950 | |
951 v->data = ngx_palloc(r->pool, NGX_INT32_LEN + 3); | |
952 if (v->data == NULL) { | |
953 return NGX_ERROR; | |
954 } | |
955 | |
956 zint = (ngx_uint_t) (ctx->zin / ctx->zout); | |
957 zfrac = (ngx_uint_t) ((ctx->zin * 100 / ctx->zout) % 100); | |
958 | |
959 if ((ctx->zin * 1000 / ctx->zout) % 10 > 4) { | |
960 | |
961 /* the rounding, e.g., 2.125 to 2.13 */ | |
962 | |
963 zfrac++; | |
964 | |
965 if (zfrac > 99) { | |
966 zint++; | |
967 zfrac = 0; | |
968 } | |
969 } | |
970 | |
971 v->len = ngx_sprintf(v->data, "%ui.%02ui", zint, zfrac) - v->data; | |
972 | |
973 return NGX_OK; | |
974 } | |
975 | |
976 | |
497 | 977 static void * |
978 ngx_http_gzip_create_conf(ngx_conf_t *cf) | |
134
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979 { |
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980 ngx_http_gzip_conf_t *conf; |
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981 |
501 | 982 conf = ngx_pcalloc(cf->pool, sizeof(ngx_http_gzip_conf_t)); |
983 if (conf == NULL) { | |
430
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984 return NGX_CONF_ERROR; |
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985 } |
134
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986 |
430
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987 /* |
479 | 988 * set by ngx_pcalloc(): |
989 * | |
990 * conf->bufs.num = 0; | |
991 * conf->proxied = 0; | |
992 * conf->types = NULL; | |
430
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993 */ |
320
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994 |
134
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995 conf->enable = NGX_CONF_UNSET; |
290
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996 conf->no_buffer = NGX_CONF_UNSET; |
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997 |
314
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998 conf->http_version = NGX_CONF_UNSET_UINT; |
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999 |
156
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1000 conf->level = NGX_CONF_UNSET; |
356
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1001 conf->wbits = (size_t) NGX_CONF_UNSET; |
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1002 conf->memlevel = (size_t) NGX_CONF_UNSET; |
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1003 conf->min_length = NGX_CONF_UNSET; |
134
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1004 |
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1005 return conf; |
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1006 } |
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1007 |
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1008 |
497 | 1009 static char * |
1010 ngx_http_gzip_merge_conf(ngx_conf_t *cf, void *parent, void *child) | |
134
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1011 { |
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1012 ngx_http_gzip_conf_t *prev = parent; |
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1013 ngx_http_gzip_conf_t *conf = child; |
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1014 |
527 | 1015 ngx_str_t *type; |
452 | 1016 |
134
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1017 ngx_conf_merge_value(conf->enable, prev->enable, 0); |
314
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1018 |
346
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1019 ngx_conf_merge_bufs_value(conf->bufs, prev->bufs, 4, ngx_pagesize); |
314
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1020 |
663 | 1021 ngx_conf_merge_uint_value(conf->http_version, prev->http_version, |
497 | 1022 NGX_HTTP_VERSION_11); |
320
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1023 ngx_conf_merge_bitmask_value(conf->proxied, prev->proxied, |
497 | 1024 (NGX_CONF_BITMASK_SET|NGX_HTTP_GZIP_PROXIED_OFF)); |
314
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1025 |
156
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1026 ngx_conf_merge_value(conf->level, prev->level, 1); |
319
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1027 ngx_conf_merge_size_value(conf->wbits, prev->wbits, MAX_WBITS); |
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1028 ngx_conf_merge_size_value(conf->memlevel, prev->memlevel, |
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|
1029 MAX_MEM_LEVEL - 1); |
577 | 1030 ngx_conf_merge_value(conf->min_length, prev->min_length, 20); |
134
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1031 ngx_conf_merge_value(conf->no_buffer, prev->no_buffer, 0); |
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1032 |
452 | 1033 if (conf->types == NULL) { |
1034 if (prev->types == NULL) { | |
527 | 1035 conf->types = ngx_array_create(cf->pool, 1, sizeof(ngx_str_t)); |
452 | 1036 if (conf->types == NULL) { |
1037 return NGX_CONF_ERROR; | |
1038 } | |
1039 | |
501 | 1040 type = ngx_array_push(conf->types); |
1041 if (type == NULL) { | |
452 | 1042 return NGX_CONF_ERROR; |
1043 } | |
1044 | |
527 | 1045 type->len = sizeof("text/html") - 1; |
1046 type->data = (u_char *) "text/html"; | |
452 | 1047 |
1048 } else { | |
1049 conf->types = prev->types; | |
1050 } | |
1051 } | |
1052 | |
1053 return NGX_CONF_OK; | |
1054 } | |
1055 | |
1056 | |
681 | 1057 static ngx_int_t |
1058 ngx_http_gzip_filter_init(ngx_conf_t *cf) | |
1059 { | |
1060 ngx_http_next_header_filter = ngx_http_top_header_filter; | |
1061 ngx_http_top_header_filter = ngx_http_gzip_header_filter; | |
1062 | |
1063 ngx_http_next_body_filter = ngx_http_top_body_filter; | |
1064 ngx_http_top_body_filter = ngx_http_gzip_body_filter; | |
1065 | |
1066 return NGX_OK; | |
1067 } | |
1068 | |
1069 | |
497 | 1070 static char * |
527 | 1071 ngx_http_gzip_types(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) |
452 | 1072 { |
1073 ngx_http_gzip_conf_t *gcf = conf; | |
1074 | |
527 | 1075 ngx_str_t *value, *type; |
1076 ngx_uint_t i; | |
452 | 1077 |
1078 if (gcf->types == NULL) { | |
527 | 1079 gcf->types = ngx_array_create(cf->pool, 4, sizeof(ngx_str_t)); |
452 | 1080 if (gcf->types == NULL) { |
1081 return NGX_CONF_ERROR; | |
1082 } | |
1083 | |
501 | 1084 type = ngx_array_push(gcf->types); |
1085 if (type == NULL) { | |
452 | 1086 return NGX_CONF_ERROR; |
1087 } | |
1088 | |
527 | 1089 type->len = sizeof("text/html") - 1; |
1090 type->data = (u_char *) "text/html"; | |
452 | 1091 } |
1092 | |
1093 value = cf->args->elts; | |
1094 | |
1095 for (i = 1; i < cf->args->nelts; i++) { | |
1096 | |
1097 if (ngx_strcmp(value[i].data, "text/html") == 0) { | |
1098 continue; | |
1099 } | |
1100 | |
501 | 1101 type = ngx_array_push(gcf->types); |
1102 if (type == NULL) { | |
452 | 1103 return NGX_CONF_ERROR; |
1104 } | |
1105 | |
527 | 1106 type->len = value[i].len; |
452 | 1107 |
527 | 1108 type->data = ngx_palloc(cf->pool, type->len + 1); |
1109 if (type->data == NULL) { | |
452 | 1110 return NGX_CONF_ERROR; |
1111 } | |
1112 | |
527 | 1113 ngx_cpystrn(type->data, value[i].data, type->len + 1); |
452 | 1114 } |
1115 | |
134
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1116 return NGX_CONF_OK; |
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1117 } |
156
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1118 |
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1119 |
497 | 1120 static char * |
527 | 1121 ngx_http_gzip_window(ngx_conf_t *cf, void *post, void *data) |
156
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
1122 { |
158
d377ee423603
nginx-0.0.1-2003-10-24-10:53:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
157
diff
changeset
|
1123 int *np = data; |
156
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
1124 |
158
d377ee423603
nginx-0.0.1-2003-10-24-10:53:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
157
diff
changeset
|
1125 int wbits, wsize; |
156
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
1126 |
430
1fa5daf7558e
nginx-0.0.11-2004-09-19-22:27:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
416
diff
changeset
|
1127 wbits = 15; |
156
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
1128 |
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
1129 for (wsize = 32 * 1024; wsize > 256; wsize >>= 1) { |
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
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|
1130 |
158
d377ee423603
nginx-0.0.1-2003-10-24-10:53:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
157
diff
changeset
|
1131 if (wsize == *np) { |
d377ee423603
nginx-0.0.1-2003-10-24-10:53:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
157
diff
changeset
|
1132 *np = wbits; |
430
1fa5daf7558e
nginx-0.0.11-2004-09-19-22:27:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
416
diff
changeset
|
1133 |
1fa5daf7558e
nginx-0.0.11-2004-09-19-22:27:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
416
diff
changeset
|
1134 return NGX_CONF_OK; |
156
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
1135 } |
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
1136 |
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
1137 wbits--; |
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
1138 } |
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
1139 |
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
1140 return "must be 512, 1k, 2k, 4k, 8k, 16k, or 32k"; |
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
1141 } |
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
1142 |
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
1143 |
497 | 1144 static char * |
527 | 1145 ngx_http_gzip_hash(ngx_conf_t *cf, void *post, void *data) |
156
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
1146 { |
158
d377ee423603
nginx-0.0.1-2003-10-24-10:53:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
157
diff
changeset
|
1147 int *np = data; |
156
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
1148 |
158
d377ee423603
nginx-0.0.1-2003-10-24-10:53:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
157
diff
changeset
|
1149 int memlevel, hsize; |
156
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
1150 |
430
1fa5daf7558e
nginx-0.0.11-2004-09-19-22:27:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
416
diff
changeset
|
1151 memlevel = 9; |
156
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
1152 |
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
1153 for (hsize = 128 * 1024; hsize > 256; hsize >>= 1) { |
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
1154 |
158
d377ee423603
nginx-0.0.1-2003-10-24-10:53:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
157
diff
changeset
|
1155 if (hsize == *np) { |
d377ee423603
nginx-0.0.1-2003-10-24-10:53:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
157
diff
changeset
|
1156 *np = memlevel; |
430
1fa5daf7558e
nginx-0.0.11-2004-09-19-22:27:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
416
diff
changeset
|
1157 |
1fa5daf7558e
nginx-0.0.11-2004-09-19-22:27:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
416
diff
changeset
|
1158 return NGX_CONF_OK; |
156
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
1159 } |
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
1160 |
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
1161 memlevel--; |
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
1162 } |
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
1163 |
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
1164 return "must be 512, 1k, 2k, 4k, 8k, 16k, 32k, 64k, or 128k"; |
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
1165 } |