Mercurial > hg > nginx
annotate src/http/modules/ngx_http_gzip_filter_module.c @ 4583:a1d5842064f7
Fixed buffer overflow when long URI is processed by "try_files" in
regex location with "alias" (fixes ticket #135).
author | Ruslan Ermilov <ru@nginx.com> |
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date | Thu, 12 Apr 2012 09:19:14 +0000 |
parents | 93dd50a9dc70 |
children | 4a18bf1833a9 63a6b6d70826 |
rev | line source |
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441
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1 |
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2 /* |
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3 * Copyright (C) Igor Sysoev |
4412 | 4 * Copyright (C) Nginx, Inc. |
441
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5 */ |
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6 |
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7 |
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8 #include <ngx_config.h> |
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9 #include <ngx_core.h> |
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10 #include <ngx_http.h> |
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11 |
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12 #include <zlib.h> |
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13 |
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14 |
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15 typedef struct { |
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16 ngx_flag_t enable; |
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17 ngx_flag_t no_buffer; |
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18 |
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19 ngx_hash_t types; |
452 | 20 |
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21 ngx_bufs_t bufs; |
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22 |
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23 size_t postpone_gzipping; |
589 | 24 ngx_int_t level; |
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25 size_t wbits; |
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26 size_t memlevel; |
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27 ssize_t min_length; |
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28 |
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29 ngx_array_t *types_keys; |
133
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30 } ngx_http_gzip_conf_t; |
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31 |
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32 |
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33 typedef struct { |
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34 ngx_chain_t *in; |
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35 ngx_chain_t *free; |
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36 ngx_chain_t *busy; |
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37 ngx_chain_t *out; |
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38 ngx_chain_t **last_out; |
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39 |
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40 ngx_chain_t *copied; |
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41 ngx_chain_t *copy_buf; |
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42 |
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43 ngx_buf_t *in_buf; |
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44 ngx_buf_t *out_buf; |
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45 ngx_int_t bufs; |
156
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46 |
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47 void *preallocated; |
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48 char *free_mem; |
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49 ngx_uint_t allocated; |
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50 |
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51 int wbits; |
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52 int memlevel; |
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53 |
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54 unsigned flush:4; |
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55 unsigned redo:1; |
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56 unsigned done:1; |
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57 unsigned nomem:1; |
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58 unsigned gzheader:1; |
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59 unsigned buffering:1; |
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60 |
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61 size_t zin; |
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62 size_t zout; |
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63 |
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64 uint32_t crc32; |
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65 z_stream zstream; |
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66 ngx_http_request_t *request; |
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67 } ngx_http_gzip_ctx_t; |
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68 |
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69 |
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70 #if (NGX_HAVE_LITTLE_ENDIAN && NGX_HAVE_NONALIGNED) |
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71 |
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72 struct gztrailer { |
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73 uint32_t crc32; |
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74 uint32_t zlen; |
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75 }; |
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76 |
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77 #else /* NGX_HAVE_BIG_ENDIAN || !NGX_HAVE_NONALIGNED */ |
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78 |
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79 struct gztrailer { |
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80 u_char crc32[4]; |
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81 u_char zlen[4]; |
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82 }; |
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83 |
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84 #endif |
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85 |
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86 |
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87 static void ngx_http_gzip_filter_memory(ngx_http_request_t *r, |
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88 ngx_http_gzip_ctx_t *ctx); |
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89 static ngx_int_t ngx_http_gzip_filter_buffer(ngx_http_gzip_ctx_t *ctx, |
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90 ngx_chain_t *in); |
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91 static ngx_int_t ngx_http_gzip_filter_deflate_start(ngx_http_request_t *r, |
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92 ngx_http_gzip_ctx_t *ctx); |
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93 static ngx_int_t ngx_http_gzip_filter_gzheader(ngx_http_request_t *r, |
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94 ngx_http_gzip_ctx_t *ctx); |
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95 static ngx_int_t ngx_http_gzip_filter_add_data(ngx_http_request_t *r, |
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96 ngx_http_gzip_ctx_t *ctx); |
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97 static ngx_int_t ngx_http_gzip_filter_get_buf(ngx_http_request_t *r, |
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98 ngx_http_gzip_ctx_t *ctx); |
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99 static ngx_int_t ngx_http_gzip_filter_deflate(ngx_http_request_t *r, |
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100 ngx_http_gzip_ctx_t *ctx); |
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101 static ngx_int_t ngx_http_gzip_filter_deflate_end(ngx_http_request_t *r, |
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102 ngx_http_gzip_ctx_t *ctx); |
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103 |
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104 static void *ngx_http_gzip_filter_alloc(void *opaque, u_int items, |
497 | 105 u_int size); |
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106 static void ngx_http_gzip_filter_free(void *opaque, void *address); |
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107 static void ngx_http_gzip_filter_free_copy_buf(ngx_http_request_t *r, |
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diff
changeset
|
108 ngx_http_gzip_ctx_t *ctx); |
177
4db54fdbcbe7
nginx-0.0.1-2003-11-10-20:17:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
166
diff
changeset
|
109 |
573 | 110 static ngx_int_t ngx_http_gzip_add_variables(ngx_conf_t *cf); |
111 static ngx_int_t ngx_http_gzip_ratio_variable(ngx_http_request_t *r, | |
112 ngx_http_variable_value_t *v, uintptr_t data); | |
479 | 113 |
681 | 114 static ngx_int_t ngx_http_gzip_filter_init(ngx_conf_t *cf); |
134
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
115 static void *ngx_http_gzip_create_conf(ngx_conf_t *cf); |
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
116 static char *ngx_http_gzip_merge_conf(ngx_conf_t *cf, |
497 | 117 void *parent, void *child); |
527 | 118 static char *ngx_http_gzip_window(ngx_conf_t *cf, void *post, void *data); |
119 static char *ngx_http_gzip_hash(ngx_conf_t *cf, void *post, void *data); | |
158
d377ee423603
nginx-0.0.1-2003-10-24-10:53:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
157
diff
changeset
|
120 |
156
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
121 |
158
d377ee423603
nginx-0.0.1-2003-10-24-10:53:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
157
diff
changeset
|
122 static ngx_conf_num_bounds_t ngx_http_gzip_comp_level_bounds = { |
d377ee423603
nginx-0.0.1-2003-10-24-10:53:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
157
diff
changeset
|
123 ngx_conf_check_num_bounds, 1, 9 |
d377ee423603
nginx-0.0.1-2003-10-24-10:53:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
157
diff
changeset
|
124 }; |
d377ee423603
nginx-0.0.1-2003-10-24-10:53:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
157
diff
changeset
|
125 |
527 | 126 static ngx_conf_post_handler_pt ngx_http_gzip_window_p = ngx_http_gzip_window; |
127 static ngx_conf_post_handler_pt ngx_http_gzip_hash_p = ngx_http_gzip_hash; | |
158
d377ee423603
nginx-0.0.1-2003-10-24-10:53:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
157
diff
changeset
|
128 |
134
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
129 |
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
130 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
|
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"), |
485 | 133 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_HTTP_LIF_CONF |
134 |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
|
135 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
|
136 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
|
137 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
|
138 NULL }, |
134
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
139 |
239
574bea0142be
nginx-0.0.1-2004-01-26-11:52:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
177
diff
changeset
|
140 { 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
|
141 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
|
142 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
|
143 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
|
144 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
|
145 NULL }, |
134
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
146 |
452 | 147 { ngx_string("gzip_types"), |
148 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE, | |
2166
723df5089c05
use hash in gzip_types, ssi_types, and sub_filter_types
Igor Sysoev <igor@sysoev.ru>
parents:
2051
diff
changeset
|
149 ngx_http_types_slot, |
452 | 150 NGX_HTTP_LOC_CONF_OFFSET, |
2166
723df5089c05
use hash in gzip_types, ssi_types, and sub_filter_types
Igor Sysoev <igor@sysoev.ru>
parents:
2051
diff
changeset
|
151 offsetof(ngx_http_gzip_conf_t, types_keys), |
723df5089c05
use hash in gzip_types, ssi_types, and sub_filter_types
Igor Sysoev <igor@sysoev.ru>
parents:
2051
diff
changeset
|
152 &ngx_http_html_default_types[0] }, |
452 | 153 |
239
574bea0142be
nginx-0.0.1-2004-01-26-11:52:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
177
diff
changeset
|
154 { 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
|
155 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
|
156 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
|
157 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
|
158 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
|
159 &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
|
160 |
239
574bea0142be
nginx-0.0.1-2004-01-26-11:52:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
177
diff
changeset
|
161 { 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
|
162 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
|
163 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
|
164 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
|
165 offsetof(ngx_http_gzip_conf_t, wbits), |
527 | 166 &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
|
167 |
239
574bea0142be
nginx-0.0.1-2004-01-26-11:52:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
177
diff
changeset
|
168 { 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
|
169 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
|
170 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
|
171 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
|
172 offsetof(ngx_http_gzip_conf_t, memlevel), |
527 | 173 &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
|
174 |
2542
925b5df2e0c2
fix postponed zlib memory allocation, introduced in r2411
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
175 { ngx_string("postpone_gzipping"), |
925b5df2e0c2
fix postponed zlib memory allocation, introduced in r2411
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
176 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, |
925b5df2e0c2
fix postponed zlib memory allocation, introduced in r2411
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
177 ngx_conf_set_size_slot, |
925b5df2e0c2
fix postponed zlib memory allocation, introduced in r2411
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
178 NGX_HTTP_LOC_CONF_OFFSET, |
925b5df2e0c2
fix postponed zlib memory allocation, introduced in r2411
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
179 offsetof(ngx_http_gzip_conf_t, postpone_gzipping), |
925b5df2e0c2
fix postponed zlib memory allocation, introduced in r2411
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
180 NULL }, |
925b5df2e0c2
fix postponed zlib memory allocation, introduced in r2411
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
181 |
239
574bea0142be
nginx-0.0.1-2004-01-26-11:52:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
177
diff
changeset
|
182 { 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
|
183 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
|
184 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
|
185 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
|
186 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
|
187 NULL }, |
134
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
188 |
320
d621239c30f7
nginx-0.0.3-2004-04-18-23:06:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
319
diff
changeset
|
189 { 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
|
190 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
|
191 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
|
192 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
|
193 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
|
194 NULL }, |
314
d71c87d11b16
nginx-0.0.3-2004-04-14-09:57:36 import
Igor Sysoev <igor@sysoev.ru>
parents:
294
diff
changeset
|
195 |
239
574bea0142be
nginx-0.0.1-2004-01-26-11:52:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
177
diff
changeset
|
196 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
|
197 }; |
133
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 |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
200 static ngx_http_module_t ngx_http_gzip_filter_module_ctx = { |
573 | 201 ngx_http_gzip_add_variables, /* preconfiguration */ |
681 | 202 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
|
203 |
133
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
204 NULL, /* create main configuration */ |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
205 NULL, /* init main configuration */ |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
206 |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
207 NULL, /* create server configuration */ |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
208 NULL, /* merge server configuration */ |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
209 |
134
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
210 ngx_http_gzip_create_conf, /* create location configuration */ |
489 | 211 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
|
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 |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
215 ngx_module_t ngx_http_gzip_filter_module = { |
509 | 216 NGX_MODULE_V1, |
133
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
217 &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
|
218 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
|
219 NGX_HTTP_MODULE, /* module type */ |
541 | 220 NULL, /* init master */ |
681 | 221 NULL, /* init module */ |
541 | 222 NULL, /* init process */ |
223 NULL, /* init thread */ | |
224 NULL, /* exit thread */ | |
225 NULL, /* exit process */ | |
226 NULL, /* exit master */ | |
227 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
|
228 }; |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
229 |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
230 |
573 | 231 static ngx_str_t ngx_http_gzip_ratio = ngx_string("gzip_ratio"); |
509 | 232 |
155
46eb23d9471d
nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents:
154
diff
changeset
|
233 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
changeset
|
234 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
|
235 |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
236 |
497 | 237 static ngx_int_t |
238 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
|
239 { |
2051
115e6f029fcc
"gzip_vary on" always sends "Vary: Accept-Encoding" header
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parents:
2049
diff
changeset
|
240 ngx_table_elt_t *h; |
115e6f029fcc
"gzip_vary on" always sends "Vary: Accept-Encoding" header
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parents:
2049
diff
changeset
|
241 ngx_http_gzip_ctx_t *ctx; |
115e6f029fcc
"gzip_vary on" always sends "Vary: Accept-Encoding" header
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parents:
2049
diff
changeset
|
242 ngx_http_gzip_conf_t *conf; |
134
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
243 |
135
e29909bd9b8a
nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
134
diff
changeset
|
244 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
|
245 |
e29909bd9b8a
nginx-0.0.1-2003-09-28-23:29:06 import
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parents:
134
diff
changeset
|
246 if (!conf->enable |
452 | 247 || (r->headers_out.status != NGX_HTTP_OK |
248 && r->headers_out.status != NGX_HTTP_FORBIDDEN | |
249 && r->headers_out.status != NGX_HTTP_NOT_FOUND) | |
135
e29909bd9b8a
nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
134
diff
changeset
|
250 || (r->headers_out.content_encoding |
e29909bd9b8a
nginx-0.0.1-2003-09-28-23:29:06 import
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parents:
134
diff
changeset
|
251 && r->headers_out.content_encoding->value.len) |
320
d621239c30f7
nginx-0.0.3-2004-04-18-23:06:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
319
diff
changeset
|
252 || (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
|
253 && r->headers_out.content_length_n < conf->min_length) |
3379
0c517d0cabe0
backout r3315 and test r->header_only last, since it's not actually
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parents:
3372
diff
changeset
|
254 || ngx_http_test_content_type(r, &conf->types) == NULL |
0c517d0cabe0
backout r3315 and test r->header_only last, since it's not actually
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parents:
3372
diff
changeset
|
255 || r->header_only) |
134
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
256 { |
155
46eb23d9471d
nginx-0.0.1-2003-10-22-20:38:26 import
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parents:
154
diff
changeset
|
257 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
|
258 } |
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
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parents:
133
diff
changeset
|
259 |
3313 | 260 r->gzip_vary = 1; |
261 | |
3773 | 262 #if (NGX_HTTP_DEGRADATION) |
263 { | |
264 ngx_http_core_loc_conf_t *clcf; | |
265 | |
266 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); | |
267 | |
268 if (clcf->gzip_disable_degradation && ngx_http_degraded(r)) { | |
269 return ngx_http_next_header_filter(r); | |
270 } | |
271 } | |
272 #endif | |
273 | |
3313 | 274 if (!r->gzip_tested) { |
275 if (ngx_http_gzip_ok(r) != NGX_OK) { | |
276 return ngx_http_next_header_filter(r); | |
277 } | |
278 | |
279 } else if (!r->gzip_ok) { | |
280 return ngx_http_next_header_filter(r); | |
281 } | |
282 | |
501 | 283 ctx = ngx_pcalloc(r->pool, sizeof(ngx_http_gzip_ctx_t)); |
284 if (ctx == NULL) { | |
285 return NGX_ERROR; | |
286 } | |
314
d71c87d11b16
nginx-0.0.3-2004-04-14-09:57:36 import
Igor Sysoev <igor@sysoev.ru>
parents:
294
diff
changeset
|
287 |
501 | 288 ngx_http_set_ctx(r, ctx, ngx_http_gzip_filter_module); |
289 | |
156
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
290 ctx->request = r; |
2542
925b5df2e0c2
fix postponed zlib memory allocation, introduced in r2411
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parents:
2536
diff
changeset
|
291 ctx->buffering = (conf->postpone_gzipping != 0); |
2410
bbfaeb220e90
postpone zlib memory allocation
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parents:
2292
diff
changeset
|
292 |
bbfaeb220e90
postpone zlib memory allocation
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parents:
2292
diff
changeset
|
293 ngx_http_gzip_filter_memory(r, ctx); |
133
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
294 |
1790
775edc46ee66
ngx_http_gzip_static_module and gzip_disable
Igor Sysoev <igor@sysoev.ru>
parents:
1626
diff
changeset
|
295 h = ngx_list_push(&r->headers_out.headers); |
775edc46ee66
ngx_http_gzip_static_module and gzip_disable
Igor Sysoev <igor@sysoev.ru>
parents:
1626
diff
changeset
|
296 if (h == NULL) { |
164
84036764e215
nginx-0.0.1-2003-10-29-11:30:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
160
diff
changeset
|
297 return NGX_ERROR; |
84036764e215
nginx-0.0.1-2003-10-29-11:30:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
160
diff
changeset
|
298 } |
135
e29909bd9b8a
nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
134
diff
changeset
|
299 |
1790
775edc46ee66
ngx_http_gzip_static_module and gzip_disable
Igor Sysoev <igor@sysoev.ru>
parents:
1626
diff
changeset
|
300 h->hash = 1; |
3516
dd1570b6f237
ngx_str_set() and ngx_str_null()
Igor Sysoev <igor@sysoev.ru>
parents:
3379
diff
changeset
|
301 ngx_str_set(&h->key, "Content-Encoding"); |
dd1570b6f237
ngx_str_set() and ngx_str_null()
Igor Sysoev <igor@sysoev.ru>
parents:
3379
diff
changeset
|
302 ngx_str_set(&h->value, "gzip"); |
1790
775edc46ee66
ngx_http_gzip_static_module and gzip_disable
Igor Sysoev <igor@sysoev.ru>
parents:
1626
diff
changeset
|
303 r->headers_out.content_encoding = h; |
775edc46ee66
ngx_http_gzip_static_module and gzip_disable
Igor Sysoev <igor@sysoev.ru>
parents:
1626
diff
changeset
|
304 |
513 | 305 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
|
306 |
577 | 307 ngx_http_clear_content_length(r); |
308 ngx_http_clear_accept_ranges(r); | |
309 | |
155
46eb23d9471d
nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents:
154
diff
changeset
|
310 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
|
311 } |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
312 |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
313 |
497 | 314 static ngx_int_t |
315 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
|
316 { |
2291
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
317 int rc; |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
318 ngx_chain_t *cl; |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
319 ngx_http_gzip_ctx_t *ctx; |
133
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
320 |
243
bf2faf694c19
nginx-0.0.1-2004-01-28-23:38:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
239
diff
changeset
|
321 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
|
322 |
243
bf2faf694c19
nginx-0.0.1-2004-01-28-23:38:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
239
diff
changeset
|
323 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
|
324 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
|
325 } |
4db54fdbcbe7
nginx-0.0.1-2003-11-10-20:17:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
166
diff
changeset
|
326 |
2410
bbfaeb220e90
postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents:
2292
diff
changeset
|
327 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
bbfaeb220e90
postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents:
2292
diff
changeset
|
328 "http gzip filter"); |
bbfaeb220e90
postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents:
2292
diff
changeset
|
329 |
bbfaeb220e90
postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents:
2292
diff
changeset
|
330 if (ctx->buffering) { |
bbfaeb220e90
postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents:
2292
diff
changeset
|
331 |
2542
925b5df2e0c2
fix postponed zlib memory allocation, introduced in r2411
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
332 /* |
925b5df2e0c2
fix postponed zlib memory allocation, introduced in r2411
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
333 * With default memory settings zlib starts to output gzipped data |
925b5df2e0c2
fix postponed zlib memory allocation, introduced in r2411
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
334 * only after it has got about 90K, so it makes sense to allocate |
925b5df2e0c2
fix postponed zlib memory allocation, introduced in r2411
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
335 * zlib memory (200-400K) only after we have enough data to compress. |
925b5df2e0c2
fix postponed zlib memory allocation, introduced in r2411
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
336 * Although we copy buffers, nevertheless for not big responses |
925b5df2e0c2
fix postponed zlib memory allocation, introduced in r2411
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
337 * this allows to allocate zlib memory, to compress and to output |
925b5df2e0c2
fix postponed zlib memory allocation, introduced in r2411
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
338 * the response in one step using hot CPU cache. |
925b5df2e0c2
fix postponed zlib memory allocation, introduced in r2411
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
339 */ |
925b5df2e0c2
fix postponed zlib memory allocation, introduced in r2411
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
340 |
2410
bbfaeb220e90
postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents:
2292
diff
changeset
|
341 if (in) { |
2542
925b5df2e0c2
fix postponed zlib memory allocation, introduced in r2411
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
342 switch (ngx_http_gzip_filter_buffer(ctx, in)) { |
2410
bbfaeb220e90
postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents:
2292
diff
changeset
|
343 |
2468 | 344 case NGX_OK: |
345 return NGX_OK; | |
2410
bbfaeb220e90
postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents:
2292
diff
changeset
|
346 |
2468 | 347 case NGX_DONE: |
348 in = NULL; | |
349 break; | |
2410
bbfaeb220e90
postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents:
2292
diff
changeset
|
350 |
2468 | 351 default: /* NGX_ERROR */ |
352 goto failed; | |
353 } | |
2410
bbfaeb220e90
postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents:
2292
diff
changeset
|
354 |
bbfaeb220e90
postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents:
2292
diff
changeset
|
355 } else { |
bbfaeb220e90
postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents:
2292
diff
changeset
|
356 ctx->buffering = 0; |
bbfaeb220e90
postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents:
2292
diff
changeset
|
357 } |
bbfaeb220e90
postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents:
2292
diff
changeset
|
358 } |
bbfaeb220e90
postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents:
2292
diff
changeset
|
359 |
156
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
360 if (ctx->preallocated == NULL) { |
2291
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
361 if (ngx_http_gzip_filter_deflate_start(r, ctx) != NGX_OK) { |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
362 goto failed; |
430
1fa5daf7558e
nginx-0.0.11-2004-09-19-22:27:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
416
diff
changeset
|
363 } |
133
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
364 } |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
365 |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
366 if (in) { |
2536
a6d6d762c554
small optimization: " == NGX_ERROR" > " != NGX_OK"
Igor Sysoev <igor@sysoev.ru>
parents:
2468
diff
changeset
|
367 if (ngx_chain_add_copy(r->pool, &ctx->in, in) != NGX_OK) { |
2291
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
368 goto failed; |
134
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
369 } |
133
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
370 } |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
371 |
2287
baa61933d5ed
use nomem flag to flush busy bufs,
Igor Sysoev <igor@sysoev.ru>
parents:
2166
diff
changeset
|
372 if (ctx->nomem) { |
2291
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
373 |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
374 /* flush busy buffers */ |
2287
baa61933d5ed
use nomem flag to flush busy bufs,
Igor Sysoev <igor@sysoev.ru>
parents:
2166
diff
changeset
|
375 |
baa61933d5ed
use nomem flag to flush busy bufs,
Igor Sysoev <igor@sysoev.ru>
parents:
2166
diff
changeset
|
376 if (ngx_http_next_body_filter(r, NULL) == NGX_ERROR) { |
2291
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
377 goto failed; |
2287
baa61933d5ed
use nomem flag to flush busy bufs,
Igor Sysoev <igor@sysoev.ru>
parents:
2166
diff
changeset
|
378 } |
baa61933d5ed
use nomem flag to flush busy bufs,
Igor Sysoev <igor@sysoev.ru>
parents:
2166
diff
changeset
|
379 |
baa61933d5ed
use nomem flag to flush busy bufs,
Igor Sysoev <igor@sysoev.ru>
parents:
2166
diff
changeset
|
380 cl = NULL; |
baa61933d5ed
use nomem flag to flush busy bufs,
Igor Sysoev <igor@sysoev.ru>
parents:
2166
diff
changeset
|
381 |
4114
5db098f97e0e
API change: ngx_chain_update_chains() now requires pool.
Maxim Dounin <mdounin@mdounin.ru>
parents:
3773
diff
changeset
|
382 ngx_chain_update_chains(r->pool, &ctx->free, &ctx->busy, &cl, |
2287
baa61933d5ed
use nomem flag to flush busy bufs,
Igor Sysoev <igor@sysoev.ru>
parents:
2166
diff
changeset
|
383 (ngx_buf_tag_t) &ngx_http_gzip_filter_module); |
baa61933d5ed
use nomem flag to flush busy bufs,
Igor Sysoev <igor@sysoev.ru>
parents:
2166
diff
changeset
|
384 ctx->nomem = 0; |
baa61933d5ed
use nomem flag to flush busy bufs,
Igor Sysoev <igor@sysoev.ru>
parents:
2166
diff
changeset
|
385 } |
141
656d468f4ead
nginx-0.0.1-2003-10-08-19:32:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
136
diff
changeset
|
386 |
135
e29909bd9b8a
nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
134
diff
changeset
|
387 for ( ;; ) { |
e29909bd9b8a
nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
134
diff
changeset
|
388 |
2291
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
389 /* cycle while we can write to a client */ |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
390 |
133
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
391 for ( ;; ) { |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
392 |
2291
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
393 /* cycle while there is data to feed zlib and ... */ |
323
ba876b26b76d
nginx-0.0.3-2004-04-21-22:54:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
322
diff
changeset
|
394 |
2291
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
395 rc = ngx_http_gzip_filter_add_data(r, ctx); |
323
ba876b26b76d
nginx-0.0.3-2004-04-21-22:54:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
322
diff
changeset
|
396 |
2291
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
397 if (rc == NGX_DECLINED) { |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
398 break; |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
399 } |
133
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
400 |
2291
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
401 if (rc == NGX_AGAIN) { |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
402 continue; |
133
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
403 } |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
404 |
430
1fa5daf7558e
nginx-0.0.11-2004-09-19-22:27:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
416
diff
changeset
|
405 |
2291
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
406 /* ... there are buffers to write zlib output */ |
134
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
407 |
2291
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
408 rc = ngx_http_gzip_filter_get_buf(r, ctx); |
501 | 409 |
2291
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
410 if (rc == NGX_DECLINED) { |
323
ba876b26b76d
nginx-0.0.3-2004-04-21-22:54:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
322
diff
changeset
|
411 break; |
ba876b26b76d
nginx-0.0.3-2004-04-21-22:54:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
322
diff
changeset
|
412 } |
ba876b26b76d
nginx-0.0.3-2004-04-21-22:54:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
322
diff
changeset
|
413 |
2291
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
414 if (rc == NGX_ERROR) { |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
415 goto failed; |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
416 } |
134
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
417 |
479 | 418 |
2291
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
419 rc = ngx_http_gzip_filter_deflate(r, ctx); |
355
0fb6c53fb135
nginx-0.0.7-2004-06-15-21:47:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
346
diff
changeset
|
420 |
2291
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
421 if (rc == NGX_OK) { |
323
ba876b26b76d
nginx-0.0.3-2004-04-21-22:54:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
322
diff
changeset
|
422 break; |
ba876b26b76d
nginx-0.0.3-2004-04-21-22:54:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
322
diff
changeset
|
423 } |
133
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
424 |
2291
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
425 if (rc == NGX_ERROR) { |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
426 goto failed; |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
427 } |
501 | 428 |
2291
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
429 /* rc == NGX_AGAIN */ |
133
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
430 } |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
431 |
1626 | 432 if (ctx->out == NULL) { |
2410
bbfaeb220e90
postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents:
2292
diff
changeset
|
433 ngx_http_gzip_filter_free_copy_buf(r, ctx); |
bbfaeb220e90
postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents:
2292
diff
changeset
|
434 |
2292 | 435 return ctx->busy ? NGX_AGAIN : NGX_OK; |
430
1fa5daf7558e
nginx-0.0.11-2004-09-19-22:27:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
416
diff
changeset
|
436 } |
1fa5daf7558e
nginx-0.0.11-2004-09-19-22:27:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
416
diff
changeset
|
437 |
2291
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
438 if (!ctx->gzheader) { |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
439 if (ngx_http_gzip_filter_gzheader(r, ctx) != NGX_OK) { |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
440 goto failed; |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
441 } |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
442 } |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
443 |
2287
baa61933d5ed
use nomem flag to flush busy bufs,
Igor Sysoev <igor@sysoev.ru>
parents:
2166
diff
changeset
|
444 rc = 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
|
445 |
2287
baa61933d5ed
use nomem flag to flush busy bufs,
Igor Sysoev <igor@sysoev.ru>
parents:
2166
diff
changeset
|
446 if (rc == NGX_ERROR) { |
2291
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
447 goto failed; |
133
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
448 } |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
449 |
2410
bbfaeb220e90
postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents:
2292
diff
changeset
|
450 ngx_http_gzip_filter_free_copy_buf(r, ctx); |
bbfaeb220e90
postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents:
2292
diff
changeset
|
451 |
4114
5db098f97e0e
API change: ngx_chain_update_chains() now requires pool.
Maxim Dounin <mdounin@mdounin.ru>
parents:
3773
diff
changeset
|
452 ngx_chain_update_chains(r->pool, &ctx->free, &ctx->busy, &ctx->out, |
501 | 453 (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
|
454 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
|
455 |
2287
baa61933d5ed
use nomem flag to flush busy bufs,
Igor Sysoev <igor@sysoev.ru>
parents:
2166
diff
changeset
|
456 ctx->nomem = 0; |
baa61933d5ed
use nomem flag to flush busy bufs,
Igor Sysoev <igor@sysoev.ru>
parents:
2166
diff
changeset
|
457 |
327
e0f3f238db09
nginx-0.0.3-2004-04-26-17:40:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
326
diff
changeset
|
458 if (ctx->done) { |
2287
baa61933d5ed
use nomem flag to flush busy bufs,
Igor Sysoev <igor@sysoev.ru>
parents:
2166
diff
changeset
|
459 return rc; |
327
e0f3f238db09
nginx-0.0.3-2004-04-26-17:40:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
326
diff
changeset
|
460 } |
133
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
461 } |
2291
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
462 |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
463 /* unreachable */ |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
464 |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
465 failed: |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
466 |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
467 ctx->done = 1; |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
468 |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
469 if (ctx->preallocated) { |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
470 deflateEnd(&ctx->zstream); |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
471 |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
472 ngx_pfree(r->pool, ctx->preallocated); |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
473 } |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
474 |
2410
bbfaeb220e90
postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents:
2292
diff
changeset
|
475 ngx_http_gzip_filter_free_copy_buf(r, ctx); |
bbfaeb220e90
postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents:
2292
diff
changeset
|
476 |
2291
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
477 return NGX_ERROR; |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
478 } |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
479 |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
480 |
2410
bbfaeb220e90
postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents:
2292
diff
changeset
|
481 static void |
bbfaeb220e90
postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents:
2292
diff
changeset
|
482 ngx_http_gzip_filter_memory(ngx_http_request_t *r, ngx_http_gzip_ctx_t *ctx) |
2291
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
483 { |
2410
bbfaeb220e90
postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents:
2292
diff
changeset
|
484 int wbits, memlevel; |
2291
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
485 ngx_http_gzip_conf_t *conf; |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
486 |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
487 conf = ngx_http_get_module_loc_conf(r, ngx_http_gzip_filter_module); |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
488 |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
489 wbits = conf->wbits; |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
490 memlevel = conf->memlevel; |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
491 |
2410
bbfaeb220e90
postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents:
2292
diff
changeset
|
492 if (r->headers_out.content_length_n > 0) { |
2291
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
493 |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
494 /* the actual zlib window size is smaller by 262 bytes */ |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
495 |
2410
bbfaeb220e90
postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents:
2292
diff
changeset
|
496 while (r->headers_out.content_length_n < ((1 << (wbits - 1)) - 262)) { |
2291
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
497 wbits--; |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
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498 memlevel--; |
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499 } |
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500 } |
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501 |
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502 ctx->wbits = wbits; |
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503 ctx->memlevel = memlevel; |
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504 |
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505 /* |
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506 * We preallocate a memory for zlib in one buffer (200K-400K), this |
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507 * decreases a number of malloc() and free() calls and also probably |
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508 * decreases a number of syscalls (sbrk()/mmap() and so on). |
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509 * Besides we free the memory as soon as a gzipping will complete |
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510 * and do not wait while a whole response will be sent to a client. |
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511 * |
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512 * 8K is for zlib deflate_state, it takes |
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513 * *) 5816 bytes on i386 and sparc64 (32-bit mode) |
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514 * *) 5920 bytes on amd64 and sparc64 |
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515 */ |
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516 |
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517 ctx->allocated = 8192 + (1 << (wbits + 2)) + (1 << (memlevel + 9)); |
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518 } |
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519 |
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520 |
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521 static ngx_int_t |
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522 ngx_http_gzip_filter_buffer(ngx_http_gzip_ctx_t *ctx, ngx_chain_t *in) |
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523 { |
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524 size_t size, buffered; |
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525 ngx_buf_t *b, *buf; |
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526 ngx_chain_t *cl, **ll; |
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527 ngx_http_request_t *r; |
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528 ngx_http_gzip_conf_t *conf; |
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529 |
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530 r = ctx->request; |
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531 |
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532 r->connection->buffered |= NGX_HTTP_GZIP_BUFFERED; |
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533 |
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534 buffered = 0; |
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535 ll = &ctx->in; |
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536 |
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537 for (cl = ctx->in; cl; cl = cl->next) { |
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538 buffered += cl->buf->last - cl->buf->pos; |
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539 ll = &cl->next; |
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540 } |
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541 |
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542 conf = ngx_http_get_module_loc_conf(r, ngx_http_gzip_filter_module); |
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543 |
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544 while (in) { |
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545 cl = ngx_alloc_chain_link(r->pool); |
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546 if (cl == NULL) { |
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547 return NGX_ERROR; |
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548 } |
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549 |
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550 b = in->buf; |
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551 |
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552 size = b->last - b->pos; |
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553 buffered += size; |
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554 |
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555 if (b->flush || b->last_buf || buffered > conf->postpone_gzipping) { |
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556 ctx->buffering = 0; |
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557 } |
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558 |
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559 if (ctx->buffering && size) { |
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560 |
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561 buf = ngx_create_temp_buf(r->pool, size); |
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562 if (buf == NULL) { |
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563 return NGX_ERROR; |
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564 } |
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565 |
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566 buf->last = ngx_cpymem(buf->pos, b->pos, size); |
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567 b->pos = b->last; |
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568 |
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569 buf->last_buf = b->last_buf; |
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570 buf->tag = (ngx_buf_tag_t) &ngx_http_gzip_filter_module; |
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571 |
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572 cl->buf = buf; |
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573 |
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574 } else { |
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575 cl->buf = b; |
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576 } |
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577 |
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578 *ll = cl; |
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579 ll = &cl->next; |
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580 in = in->next; |
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581 } |
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582 |
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583 *ll = NULL; |
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584 |
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585 return ctx->buffering ? NGX_OK : NGX_DONE; |
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586 } |
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587 |
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588 |
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589 static ngx_int_t |
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590 ngx_http_gzip_filter_deflate_start(ngx_http_request_t *r, |
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591 ngx_http_gzip_ctx_t *ctx) |
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592 { |
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593 int rc; |
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594 ngx_http_gzip_conf_t *conf; |
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595 |
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596 conf = ngx_http_get_module_loc_conf(r, ngx_http_gzip_filter_module); |
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597 |
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598 ctx->preallocated = ngx_palloc(r->pool, ctx->allocated); |
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599 if (ctx->preallocated == NULL) { |
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600 return NGX_ERROR; |
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601 } |
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602 |
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603 ctx->free_mem = ctx->preallocated; |
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604 |
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605 ctx->zstream.zalloc = ngx_http_gzip_filter_alloc; |
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606 ctx->zstream.zfree = ngx_http_gzip_filter_free; |
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607 ctx->zstream.opaque = ctx; |
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608 |
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609 rc = deflateInit2(&ctx->zstream, (int) conf->level, Z_DEFLATED, |
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610 - ctx->wbits, ctx->memlevel, Z_DEFAULT_STRATEGY); |
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611 |
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612 if (rc != Z_OK) { |
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613 ngx_log_error(NGX_LOG_ALERT, r->connection->log, 0, |
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614 "deflateInit2() failed: %d", rc); |
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615 return NGX_ERROR; |
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616 } |
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617 |
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|
618 ctx->last_out = &ctx->out; |
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619 ctx->crc32 = crc32(0L, Z_NULL, 0); |
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620 ctx->flush = Z_NO_FLUSH; |
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621 |
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622 return NGX_OK; |
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623 } |
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624 |
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625 |
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626 static ngx_int_t |
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627 ngx_http_gzip_filter_gzheader(ngx_http_request_t *r, ngx_http_gzip_ctx_t *ctx) |
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628 { |
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629 ngx_buf_t *b; |
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630 ngx_chain_t *cl; |
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631 static u_char gzheader[10] = |
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632 { 0x1f, 0x8b, Z_DEFLATED, 0, 0, 0, 0, 0, 0, 3 }; |
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633 |
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634 b = ngx_pcalloc(r->pool, sizeof(ngx_buf_t)); |
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635 if (b == NULL) { |
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636 return NGX_ERROR; |
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637 } |
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638 |
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639 b->memory = 1; |
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640 b->pos = gzheader; |
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641 b->last = b->pos + 10; |
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642 |
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643 cl = ngx_alloc_chain_link(r->pool); |
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644 if (cl == NULL) { |
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645 return NGX_ERROR; |
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646 } |
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647 |
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648 cl->buf = b; |
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649 cl->next = ctx->out; |
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650 ctx->out = cl; |
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651 |
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*) split ngx_http_gzip_body_filter()
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652 ctx->gzheader = 1; |
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653 |
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*) split ngx_http_gzip_body_filter()
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654 return NGX_OK; |
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*) split ngx_http_gzip_body_filter()
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655 } |
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*) split ngx_http_gzip_body_filter()
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|
656 |
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*) split ngx_http_gzip_body_filter()
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|
657 |
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*) split ngx_http_gzip_body_filter()
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|
658 static ngx_int_t |
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659 ngx_http_gzip_filter_add_data(ngx_http_request_t *r, ngx_http_gzip_ctx_t *ctx) |
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660 { |
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661 if (ctx->zstream.avail_in || ctx->flush != Z_NO_FLUSH || ctx->redo) { |
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662 return NGX_OK; |
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*) split ngx_http_gzip_body_filter()
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663 } |
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*) split ngx_http_gzip_body_filter()
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664 |
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665 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
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*) split ngx_http_gzip_body_filter()
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666 "gzip in: %p", ctx->in); |
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*) split ngx_http_gzip_body_filter()
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|
667 |
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*) split ngx_http_gzip_body_filter()
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|
668 if (ctx->in == NULL) { |
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*) split ngx_http_gzip_body_filter()
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669 return NGX_DECLINED; |
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*) split ngx_http_gzip_body_filter()
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|
670 } |
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*) split ngx_http_gzip_body_filter()
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|
671 |
2410
bbfaeb220e90
postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
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|
672 if (ctx->copy_buf) { |
bbfaeb220e90
postpone zlib memory allocation
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|
673 |
bbfaeb220e90
postpone zlib memory allocation
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|
674 /* |
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|
675 * to avoid CPU cache trashing we do not free() just quit buf, |
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676 * but postpone free()ing after zlib compressing and data output |
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|
677 */ |
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|
678 |
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|
679 ctx->copy_buf->next = ctx->copied; |
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|
680 ctx->copied = ctx->copy_buf; |
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|
681 ctx->copy_buf = NULL; |
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postpone zlib memory allocation
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|
682 } |
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postpone zlib memory allocation
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|
683 |
2291
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
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|
684 ctx->in_buf = ctx->in->buf; |
2410
bbfaeb220e90
postpone zlib memory allocation
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diff
changeset
|
685 |
bbfaeb220e90
postpone zlib memory allocation
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|
686 if (ctx->in_buf->tag == (ngx_buf_tag_t) &ngx_http_gzip_filter_module) { |
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postpone zlib memory allocation
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|
687 ctx->copy_buf = ctx->in; |
bbfaeb220e90
postpone zlib memory allocation
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|
688 } |
bbfaeb220e90
postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
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diff
changeset
|
689 |
2291
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
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|
690 ctx->in = ctx->in->next; |
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*) split ngx_http_gzip_body_filter()
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|
691 |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
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|
692 ctx->zstream.next_in = ctx->in_buf->pos; |
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*) split ngx_http_gzip_body_filter()
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|
693 ctx->zstream.avail_in = ctx->in_buf->last - ctx->in_buf->pos; |
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*) split ngx_http_gzip_body_filter()
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|
694 |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
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|
695 ngx_log_debug3(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
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*) split ngx_http_gzip_body_filter()
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|
696 "gzip in_buf:%p ni:%p ai:%ud", |
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*) split ngx_http_gzip_body_filter()
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|
697 ctx->in_buf, |
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*) split ngx_http_gzip_body_filter()
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|
698 ctx->zstream.next_in, ctx->zstream.avail_in); |
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*) split ngx_http_gzip_body_filter()
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changeset
|
699 |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
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changeset
|
700 if (ctx->in_buf->last_buf) { |
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*) split ngx_http_gzip_body_filter()
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|
701 ctx->flush = Z_FINISH; |
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*) split ngx_http_gzip_body_filter()
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changeset
|
702 |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
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changeset
|
703 } else if (ctx->in_buf->flush) { |
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*) split ngx_http_gzip_body_filter()
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|
704 ctx->flush = Z_SYNC_FLUSH; |
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*) split ngx_http_gzip_body_filter()
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changeset
|
705 } |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
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changeset
|
706 |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
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changeset
|
707 if (ctx->zstream.avail_in) { |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
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changeset
|
708 |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
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changeset
|
709 ctx->crc32 = crc32(ctx->crc32, ctx->zstream.next_in, |
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*) split ngx_http_gzip_body_filter()
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changeset
|
710 ctx->zstream.avail_in); |
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*) split ngx_http_gzip_body_filter()
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changeset
|
711 |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
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changeset
|
712 } else if (ctx->flush == Z_NO_FLUSH) { |
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|
713 return NGX_AGAIN; |
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*) split ngx_http_gzip_body_filter()
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changeset
|
714 } |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
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changeset
|
715 |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
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|
716 return NGX_OK; |
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*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
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changeset
|
717 } |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
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diff
changeset
|
718 |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
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changeset
|
719 |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
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changeset
|
720 static ngx_int_t |
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*) split ngx_http_gzip_body_filter()
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|
721 ngx_http_gzip_filter_get_buf(ngx_http_request_t *r, ngx_http_gzip_ctx_t *ctx) |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
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|
722 { |
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*) split ngx_http_gzip_body_filter()
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|
723 ngx_http_gzip_conf_t *conf; |
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*) split ngx_http_gzip_body_filter()
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|
724 |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
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changeset
|
725 if (ctx->zstream.avail_out) { |
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*) split ngx_http_gzip_body_filter()
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changeset
|
726 return NGX_OK; |
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*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
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changeset
|
727 } |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
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changeset
|
728 |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
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changeset
|
729 conf = ngx_http_get_module_loc_conf(r, ngx_http_gzip_filter_module); |
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*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
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changeset
|
730 |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
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changeset
|
731 if (ctx->free) { |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
732 ctx->out_buf = ctx->free->buf; |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
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parents:
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|
733 ctx->free = ctx->free->next; |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
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changeset
|
734 |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
735 } else if (ctx->bufs < conf->bufs.num) { |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
736 |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
737 ctx->out_buf = ngx_create_temp_buf(r->pool, conf->bufs.size); |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
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diff
changeset
|
738 if (ctx->out_buf == NULL) { |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
739 return NGX_ERROR; |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
740 } |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
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changeset
|
741 |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
742 ctx->out_buf->tag = (ngx_buf_tag_t) &ngx_http_gzip_filter_module; |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
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changeset
|
743 ctx->out_buf->recycled = 1; |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
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changeset
|
744 ctx->bufs++; |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
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changeset
|
745 |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
746 } else { |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
747 ctx->nomem = 1; |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
748 return NGX_DECLINED; |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
749 } |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
750 |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
751 ctx->zstream.next_out = ctx->out_buf->pos; |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
752 ctx->zstream.avail_out = conf->bufs.size; |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
753 |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
754 return NGX_OK; |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
755 } |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
756 |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
757 |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
758 static ngx_int_t |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
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changeset
|
759 ngx_http_gzip_filter_deflate(ngx_http_request_t *r, ngx_http_gzip_ctx_t *ctx) |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
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parents:
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diff
changeset
|
760 { |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
761 int rc; |
4468
93dd50a9dc70
Gzip filter: handling of empty flush buffers.
Maxim Dounin <mdounin@mdounin.ru>
parents:
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diff
changeset
|
762 ngx_buf_t *b; |
2291
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
763 ngx_chain_t *cl; |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
764 ngx_http_gzip_conf_t *conf; |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
765 |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
766 ngx_log_debug6(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
767 "deflate in: ni:%p no:%p ai:%ud ao:%ud fl:%d redo:%d", |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
768 ctx->zstream.next_in, ctx->zstream.next_out, |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
769 ctx->zstream.avail_in, ctx->zstream.avail_out, |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
770 ctx->flush, ctx->redo); |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
771 |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
772 rc = deflate(&ctx->zstream, ctx->flush); |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
773 |
4468
93dd50a9dc70
Gzip filter: handling of empty flush buffers.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4412
diff
changeset
|
774 if (rc != Z_OK && rc != Z_STREAM_END && rc != Z_BUF_ERROR) { |
2291
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
775 ngx_log_error(NGX_LOG_ALERT, r->connection->log, 0, |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
776 "deflate() failed: %d, %d", ctx->flush, rc); |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
777 return NGX_ERROR; |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
778 } |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
779 |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
780 ngx_log_debug5(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
781 "deflate out: ni:%p no:%p ai:%ud ao:%ud rc:%d", |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
782 ctx->zstream.next_in, ctx->zstream.next_out, |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
783 ctx->zstream.avail_in, ctx->zstream.avail_out, |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
784 rc); |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
785 |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
786 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
787 "gzip in_buf:%p pos:%p", |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
788 ctx->in_buf, ctx->in_buf->pos); |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
789 |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
790 if (ctx->zstream.next_in) { |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
791 ctx->in_buf->pos = ctx->zstream.next_in; |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
792 |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
793 if (ctx->zstream.avail_in == 0) { |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
794 ctx->zstream.next_in = NULL; |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
795 } |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
796 } |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
797 |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
798 ctx->out_buf->last = ctx->zstream.next_out; |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
799 |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
800 if (ctx->zstream.avail_out == 0) { |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
801 |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
802 /* zlib wants to output some more gzipped data */ |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
803 |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
804 cl = ngx_alloc_chain_link(r->pool); |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
805 if (cl == NULL) { |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
806 return NGX_ERROR; |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
807 } |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
808 |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
809 cl->buf = ctx->out_buf; |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
810 cl->next = NULL; |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
811 *ctx->last_out = cl; |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
812 ctx->last_out = &cl->next; |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
813 |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
814 ctx->redo = 1; |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
815 |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
816 return NGX_AGAIN; |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
817 } |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
818 |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
819 ctx->redo = 0; |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
820 |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
821 if (ctx->flush == Z_SYNC_FLUSH) { |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
822 |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
823 ctx->flush = Z_NO_FLUSH; |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
824 |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
825 cl = ngx_alloc_chain_link(r->pool); |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
826 if (cl == NULL) { |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
827 return NGX_ERROR; |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
828 } |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
829 |
4468
93dd50a9dc70
Gzip filter: handling of empty flush buffers.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4412
diff
changeset
|
830 b = ctx->out_buf; |
93dd50a9dc70
Gzip filter: handling of empty flush buffers.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4412
diff
changeset
|
831 |
93dd50a9dc70
Gzip filter: handling of empty flush buffers.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4412
diff
changeset
|
832 if (ngx_buf_size(b) == 0) { |
93dd50a9dc70
Gzip filter: handling of empty flush buffers.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4412
diff
changeset
|
833 |
93dd50a9dc70
Gzip filter: handling of empty flush buffers.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4412
diff
changeset
|
834 b = ngx_calloc_buf(ctx->request->pool); |
93dd50a9dc70
Gzip filter: handling of empty flush buffers.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4412
diff
changeset
|
835 if (b == NULL) { |
93dd50a9dc70
Gzip filter: handling of empty flush buffers.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4412
diff
changeset
|
836 return NGX_ERROR; |
93dd50a9dc70
Gzip filter: handling of empty flush buffers.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4412
diff
changeset
|
837 } |
93dd50a9dc70
Gzip filter: handling of empty flush buffers.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4412
diff
changeset
|
838 |
93dd50a9dc70
Gzip filter: handling of empty flush buffers.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4412
diff
changeset
|
839 } else { |
93dd50a9dc70
Gzip filter: handling of empty flush buffers.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4412
diff
changeset
|
840 ctx->zstream.avail_out = 0; |
93dd50a9dc70
Gzip filter: handling of empty flush buffers.
Maxim Dounin <mdounin@mdounin.ru>
parents:
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|
841 } |
93dd50a9dc70
Gzip filter: handling of empty flush buffers.
Maxim Dounin <mdounin@mdounin.ru>
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diff
changeset
|
842 |
93dd50a9dc70
Gzip filter: handling of empty flush buffers.
Maxim Dounin <mdounin@mdounin.ru>
parents:
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|
843 b->flush = 1; |
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Gzip filter: handling of empty flush buffers.
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|
844 |
93dd50a9dc70
Gzip filter: handling of empty flush buffers.
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4412
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|
845 cl->buf = b; |
2291
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
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parents:
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diff
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|
846 cl->next = NULL; |
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*) split ngx_http_gzip_body_filter()
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|
847 *ctx->last_out = cl; |
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*) split ngx_http_gzip_body_filter()
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|
848 ctx->last_out = &cl->next; |
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*) split ngx_http_gzip_body_filter()
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|
849 |
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*) split ngx_http_gzip_body_filter()
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parents:
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|
850 return NGX_OK; |
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Igor Sysoev <igor@sysoev.ru>
parents:
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diff
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|
851 } |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
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|
852 |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
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diff
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|
853 if (rc == Z_STREAM_END) { |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
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parents:
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diff
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|
854 |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
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diff
changeset
|
855 if (ngx_http_gzip_filter_deflate_end(r, ctx) != NGX_OK) { |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
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|
856 return NGX_ERROR; |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
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|
857 } |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
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|
858 |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
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changeset
|
859 return NGX_OK; |
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*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
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|
860 } |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
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|
861 |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
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|
862 conf = ngx_http_get_module_loc_conf(r, ngx_http_gzip_filter_module); |
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*) split ngx_http_gzip_body_filter()
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|
863 |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
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parents:
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changeset
|
864 if (conf->no_buffer && ctx->in == NULL) { |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
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changeset
|
865 |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
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changeset
|
866 cl = ngx_alloc_chain_link(r->pool); |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
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changeset
|
867 if (cl == NULL) { |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
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|
868 return NGX_ERROR; |
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*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
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changeset
|
869 } |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
870 |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
871 cl->buf = ctx->out_buf; |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
872 cl->next = NULL; |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
873 *ctx->last_out = cl; |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
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changeset
|
874 ctx->last_out = &cl->next; |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
875 |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
876 return NGX_OK; |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
877 } |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
878 |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
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changeset
|
879 return NGX_AGAIN; |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
880 } |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
881 |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
882 |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
883 static ngx_int_t |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
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parents:
2290
diff
changeset
|
884 ngx_http_gzip_filter_deflate_end(ngx_http_request_t *r, |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
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changeset
|
885 ngx_http_gzip_ctx_t *ctx) |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
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parents:
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changeset
|
886 { |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
887 int rc; |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
888 ngx_buf_t *b; |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
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parents:
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diff
changeset
|
889 ngx_chain_t *cl; |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
890 struct gztrailer *trailer; |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
891 |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
892 ctx->zin = ctx->zstream.total_in; |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
893 ctx->zout = 10 + ctx->zstream.total_out + 8; |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
894 |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
895 rc = deflateEnd(&ctx->zstream); |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
896 |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
897 if (rc != Z_OK) { |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
898 ngx_log_error(NGX_LOG_ALERT, r->connection->log, 0, |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
899 "deflateEnd() failed: %d", rc); |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
900 return NGX_ERROR; |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
901 } |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
902 |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
903 ngx_pfree(r->pool, ctx->preallocated); |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
904 |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
905 cl = ngx_alloc_chain_link(r->pool); |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
906 if (cl == NULL) { |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
907 return NGX_ERROR; |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
908 } |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
909 |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
910 cl->buf = ctx->out_buf; |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
911 cl->next = NULL; |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
912 *ctx->last_out = cl; |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
913 ctx->last_out = &cl->next; |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
914 |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
915 if (ctx->zstream.avail_out >= 8) { |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
916 trailer = (struct gztrailer *) ctx->out_buf->last; |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
917 ctx->out_buf->last += 8; |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
918 ctx->out_buf->last_buf = 1; |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
919 |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
920 } else { |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
921 b = ngx_create_temp_buf(r->pool, 8); |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
922 if (b == NULL) { |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
923 return NGX_ERROR; |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
924 } |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
925 |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
926 b->last_buf = 1; |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
927 |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
928 cl = ngx_alloc_chain_link(r->pool); |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
929 if (cl == NULL) { |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
930 return NGX_ERROR; |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
931 } |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
932 |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
933 cl->buf = b; |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
934 cl->next = NULL; |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
935 *ctx->last_out = cl; |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
936 ctx->last_out = &cl->next; |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
937 trailer = (struct gztrailer *) b->pos; |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
938 b->last += 8; |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
939 } |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
940 |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
941 #if (NGX_HAVE_LITTLE_ENDIAN && NGX_HAVE_NONALIGNED) |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
942 |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
943 trailer->crc32 = ctx->crc32; |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
944 trailer->zlen = ctx->zin; |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
945 |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
946 #else |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
947 |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
948 trailer->crc32[0] = (u_char) (ctx->crc32 & 0xff); |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
949 trailer->crc32[1] = (u_char) ((ctx->crc32 >> 8) & 0xff); |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
950 trailer->crc32[2] = (u_char) ((ctx->crc32 >> 16) & 0xff); |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
951 trailer->crc32[3] = (u_char) ((ctx->crc32 >> 24) & 0xff); |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
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parents:
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diff
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|
952 |
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*) split ngx_http_gzip_body_filter()
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parents:
2290
diff
changeset
|
953 trailer->zlen[0] = (u_char) (ctx->zin & 0xff); |
e9a1cddf2aaa
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parents:
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diff
changeset
|
954 trailer->zlen[1] = (u_char) ((ctx->zin >> 8) & 0xff); |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
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parents:
2290
diff
changeset
|
955 trailer->zlen[2] = (u_char) ((ctx->zin >> 16) & 0xff); |
e9a1cddf2aaa
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parents:
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diff
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|
956 trailer->zlen[3] = (u_char) ((ctx->zin >> 24) & 0xff); |
e9a1cddf2aaa
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diff
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|
957 |
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parents:
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diff
changeset
|
958 #endif |
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parents:
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diff
changeset
|
959 |
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*) split ngx_http_gzip_body_filter()
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parents:
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diff
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|
960 ctx->zstream.avail_in = 0; |
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*) split ngx_http_gzip_body_filter()
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parents:
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diff
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|
961 ctx->zstream.avail_out = 0; |
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parents:
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diff
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|
962 |
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parents:
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diff
changeset
|
963 ctx->done = 1; |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
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parents:
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|
964 |
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parents:
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diff
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|
965 r->connection->buffered &= ~NGX_HTTP_GZIP_BUFFERED; |
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parents:
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diff
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|
966 |
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*) split ngx_http_gzip_body_filter()
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967 return NGX_OK; |
133
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parents:
diff
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|
968 } |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
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parents:
diff
changeset
|
969 |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
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parents:
diff
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|
970 |
497 | 971 static void * |
972 ngx_http_gzip_filter_alloc(void *opaque, u_int items, u_int size) | |
156
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parents:
155
diff
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|
973 { |
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|
974 ngx_http_gzip_ctx_t *ctx = opaque; |
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|
975 |
294
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|
976 void *p; |
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977 ngx_uint_t alloc; |
156
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978 |
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979 alloc = items * size; |
461 | 980 |
2425
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|
981 if (alloc % 512 != 0 && alloc < 8192) { |
156
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982 |
346
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|
983 /* |
461 | 984 * The zlib deflate_state allocation, it takes about 6K, |
985 * we allocate 8K. Other allocations are divisible by 512. | |
346
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|
986 */ |
156
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|
987 |
2425
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|
988 alloc = 8192; |
156
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|
989 } |
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990 |
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|
991 if (alloc <= ctx->allocated) { |
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992 p = ctx->free_mem; |
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|
993 ctx->free_mem += alloc; |
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994 ctx->allocated -= alloc; |
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|
995 |
257
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|
996 ngx_log_debug4(NGX_LOG_DEBUG_HTTP, ctx->request->connection->log, 0, |
461 | 997 "gzip alloc: n:%ud s:%ud a:%ud p:%p", |
257
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|
998 items, size, alloc, p); |
156
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|
999 |
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1000 return p; |
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diff
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1001 } |
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|
1002 |
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|
1003 ngx_log_error(NGX_LOG_ALERT, ctx->request->connection->log, 0, |
461 | 1004 "gzip filter failed to use preallocated memory: %ud of %ud", |
156
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|
1005 items * size, ctx->allocated); |
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
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1006 |
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|
1007 p = ngx_palloc(ctx->request->pool, items * size); |
afc333135a6b
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1008 |
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|
1009 return p; |
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
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parents:
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|
1010 } |
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
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parents:
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|
1011 |
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|
1012 |
497 | 1013 static void |
1014 ngx_http_gzip_filter_free(void *opaque, void *address) | |
156
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|
1015 { |
282
30310107dbc9
nginx-0.0.2-2004-03-09-22:47:07 import
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265
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|
1016 #if 0 |
156
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|
1017 ngx_http_gzip_ctx_t *ctx = opaque; |
afc333135a6b
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parents:
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|
1018 |
257
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|
1019 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, ctx->request->connection->log, 0, |
461 | 1020 "gzip free: %p", address); |
156
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diff
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|
1021 #endif |
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
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parents:
155
diff
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|
1022 } |
afc333135a6b
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parents:
155
diff
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|
1023 |
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155
diff
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|
1024 |
2410
bbfaeb220e90
postpone zlib memory allocation
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parents:
2292
diff
changeset
|
1025 static void |
bbfaeb220e90
postpone zlib memory allocation
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parents:
2292
diff
changeset
|
1026 ngx_http_gzip_filter_free_copy_buf(ngx_http_request_t *r, |
bbfaeb220e90
postpone zlib memory allocation
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2292
diff
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|
1027 ngx_http_gzip_ctx_t *ctx) |
bbfaeb220e90
postpone zlib memory allocation
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parents:
2292
diff
changeset
|
1028 { |
bbfaeb220e90
postpone zlib memory allocation
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parents:
2292
diff
changeset
|
1029 ngx_chain_t *cl; |
bbfaeb220e90
postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents:
2292
diff
changeset
|
1030 |
bbfaeb220e90
postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents:
2292
diff
changeset
|
1031 for (cl = ctx->copied; cl; cl = cl->next) { |
bbfaeb220e90
postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents:
2292
diff
changeset
|
1032 ngx_pfree(r->pool, cl->buf->start); |
bbfaeb220e90
postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents:
2292
diff
changeset
|
1033 } |
bbfaeb220e90
postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents:
2292
diff
changeset
|
1034 |
bbfaeb220e90
postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents:
2292
diff
changeset
|
1035 ctx->copied = NULL; |
bbfaeb220e90
postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents:
2292
diff
changeset
|
1036 } |
bbfaeb220e90
postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents:
2292
diff
changeset
|
1037 |
bbfaeb220e90
postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
1038 |
497 | 1039 static ngx_int_t |
573 | 1040 ngx_http_gzip_add_variables(ngx_conf_t *cf) |
177
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diff
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|
1041 { |
880 | 1042 ngx_http_variable_t *var; |
177
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|
1043 |
583 | 1044 var = ngx_http_add_variable(cf, &ngx_http_gzip_ratio, NGX_HTTP_VAR_NOHASH); |
573 | 1045 if (var == NULL) { |
1046 return NGX_ERROR; | |
1047 } | |
1048 | |
637 | 1049 var->get_handler = ngx_http_gzip_ratio_variable; |
573 | 1050 |
177
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|
1051 return NGX_OK; |
4db54fdbcbe7
nginx-0.0.1-2003-11-10-20:17:31 import
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166
diff
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|
1052 } |
4db54fdbcbe7
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diff
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|
1053 |
4db54fdbcbe7
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166
diff
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|
1054 |
497 | 1055 static ngx_int_t |
573 | 1056 ngx_http_gzip_ratio_variable(ngx_http_request_t *r, |
1057 ngx_http_variable_value_t *v, uintptr_t data) | |
1058 { | |
1059 ngx_uint_t zint, zfrac; | |
1060 ngx_http_gzip_ctx_t *ctx; | |
1061 | |
577 | 1062 v->valid = 1; |
1565 | 1063 v->no_cacheable = 0; |
573 | 1064 v->not_found = 0; |
1065 | |
1066 ctx = ngx_http_get_module_ctx(r, ngx_http_gzip_filter_module); | |
1067 | |
1068 if (ctx == NULL || ctx->zout == 0) { | |
1069 v->not_found = 1; | |
1070 return NGX_OK; | |
1071 } | |
1072 | |
2049 | 1073 v->data = ngx_pnalloc(r->pool, NGX_INT32_LEN + 3); |
573 | 1074 if (v->data == NULL) { |
1075 return NGX_ERROR; | |
1076 } | |
1077 | |
1078 zint = (ngx_uint_t) (ctx->zin / ctx->zout); | |
1079 zfrac = (ngx_uint_t) ((ctx->zin * 100 / ctx->zout) % 100); | |
1080 | |
1081 if ((ctx->zin * 1000 / ctx->zout) % 10 > 4) { | |
1082 | |
1083 /* the rounding, e.g., 2.125 to 2.13 */ | |
1084 | |
1085 zfrac++; | |
1086 | |
1087 if (zfrac > 99) { | |
1088 zint++; | |
1089 zfrac = 0; | |
1090 } | |
1091 } | |
1092 | |
1093 v->len = ngx_sprintf(v->data, "%ui.%02ui", zint, zfrac) - v->data; | |
1094 | |
1095 return NGX_OK; | |
1096 } | |
1097 | |
1098 | |
497 | 1099 static void * |
1100 ngx_http_gzip_create_conf(ngx_conf_t *cf) | |
134
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133
diff
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|
1101 { |
d57c6835225c
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133
diff
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|
1102 ngx_http_gzip_conf_t *conf; |
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133
diff
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|
1103 |
501 | 1104 conf = ngx_pcalloc(cf->pool, sizeof(ngx_http_gzip_conf_t)); |
1105 if (conf == NULL) { | |
2912
c7d57b539248
return NULL instead of NGX_CONF_ERROR on a create conf failure
Igor Sysoev <igor@sysoev.ru>
parents:
2542
diff
changeset
|
1106 return NULL; |
430
1fa5daf7558e
nginx-0.0.11-2004-09-19-22:27:00 import
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parents:
416
diff
changeset
|
1107 } |
134
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133
diff
changeset
|
1108 |
430
1fa5daf7558e
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parents:
416
diff
changeset
|
1109 /* |
479 | 1110 * set by ngx_pcalloc(): |
1111 * | |
1112 * conf->bufs.num = 0; | |
2166
723df5089c05
use hash in gzip_types, ssi_types, and sub_filter_types
Igor Sysoev <igor@sysoev.ru>
parents:
2051
diff
changeset
|
1113 * conf->types = { NULL }; |
723df5089c05
use hash in gzip_types, ssi_types, and sub_filter_types
Igor Sysoev <igor@sysoev.ru>
parents:
2051
diff
changeset
|
1114 * conf->types_keys = NULL; |
430
1fa5daf7558e
nginx-0.0.11-2004-09-19-22:27:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
416
diff
changeset
|
1115 */ |
320
d621239c30f7
nginx-0.0.3-2004-04-18-23:06:02 import
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parents:
319
diff
changeset
|
1116 |
134
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
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parents:
133
diff
changeset
|
1117 conf->enable = NGX_CONF_UNSET; |
290
87e73f067470
nginx-0.0.2-2004-03-16-10:10:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
289
diff
changeset
|
1118 conf->no_buffer = NGX_CONF_UNSET; |
314
d71c87d11b16
nginx-0.0.3-2004-04-14-09:57:36 import
Igor Sysoev <igor@sysoev.ru>
parents:
294
diff
changeset
|
1119 |
2542
925b5df2e0c2
fix postponed zlib memory allocation, introduced in r2411
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1120 conf->postpone_gzipping = NGX_CONF_UNSET_SIZE; |
156
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
1121 conf->level = NGX_CONF_UNSET; |
2542
925b5df2e0c2
fix postponed zlib memory allocation, introduced in r2411
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1122 conf->wbits = NGX_CONF_UNSET_SIZE; |
925b5df2e0c2
fix postponed zlib memory allocation, introduced in r2411
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1123 conf->memlevel = NGX_CONF_UNSET_SIZE; |
356
2e3cbc1bbe3c
nginx-0.0.7-2004-06-16-19:32:11 import
Igor Sysoev <igor@sysoev.ru>
parents:
355
diff
changeset
|
1124 conf->min_length = NGX_CONF_UNSET; |
134
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
1125 |
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
1126 return conf; |
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
1127 } |
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
1128 |
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
1129 |
497 | 1130 static char * |
1131 ngx_http_gzip_merge_conf(ngx_conf_t *cf, void *parent, void *child) | |
134
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
1132 { |
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
1133 ngx_http_gzip_conf_t *prev = parent; |
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
1134 ngx_http_gzip_conf_t *conf = child; |
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
1135 |
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
1136 ngx_conf_merge_value(conf->enable, prev->enable, 0); |
2542
925b5df2e0c2
fix postponed zlib memory allocation, introduced in r2411
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1137 ngx_conf_merge_value(conf->no_buffer, prev->no_buffer, 0); |
314
d71c87d11b16
nginx-0.0.3-2004-04-14-09:57:36 import
Igor Sysoev <igor@sysoev.ru>
parents:
294
diff
changeset
|
1138 |
2412
086c20fe2e97
set default gzip_buffers to 32 4k or 16 8k
Igor Sysoev <igor@sysoev.ru>
parents:
2410
diff
changeset
|
1139 ngx_conf_merge_bufs_value(conf->bufs, prev->bufs, |
086c20fe2e97
set default gzip_buffers to 32 4k or 16 8k
Igor Sysoev <igor@sysoev.ru>
parents:
2410
diff
changeset
|
1140 (128 * 1024) / ngx_pagesize, ngx_pagesize); |
314
d71c87d11b16
nginx-0.0.3-2004-04-14-09:57:36 import
Igor Sysoev <igor@sysoev.ru>
parents:
294
diff
changeset
|
1141 |
2542
925b5df2e0c2
fix postponed zlib memory allocation, introduced in r2411
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1142 ngx_conf_merge_size_value(conf->postpone_gzipping, prev->postpone_gzipping, |
925b5df2e0c2
fix postponed zlib memory allocation, introduced in r2411
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1143 0); |
156
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
1144 ngx_conf_merge_value(conf->level, prev->level, 1); |
319
7a8ebba985a9
nginx-0.0.3-2004-04-16-19:27:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
315
diff
changeset
|
1145 ngx_conf_merge_size_value(conf->wbits, prev->wbits, MAX_WBITS); |
7a8ebba985a9
nginx-0.0.3-2004-04-16-19:27:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
315
diff
changeset
|
1146 ngx_conf_merge_size_value(conf->memlevel, prev->memlevel, |
7a8ebba985a9
nginx-0.0.3-2004-04-16-19:27:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
315
diff
changeset
|
1147 MAX_MEM_LEVEL - 1); |
577 | 1148 ngx_conf_merge_value(conf->min_length, prev->min_length, 20); |
134
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
1149 |
3372
6b8e5c882e47
support "*" in gzip_types, ssi_types, etc
Igor Sysoev <igor@sysoev.ru>
parents:
3314
diff
changeset
|
1150 if (ngx_http_merge_types(cf, &conf->types_keys, &conf->types, |
6b8e5c882e47
support "*" in gzip_types, ssi_types, etc
Igor Sysoev <igor@sysoev.ru>
parents:
3314
diff
changeset
|
1151 &prev->types_keys, &prev->types, |
2166
723df5089c05
use hash in gzip_types, ssi_types, and sub_filter_types
Igor Sysoev <igor@sysoev.ru>
parents:
2051
diff
changeset
|
1152 ngx_http_html_default_types) |
723df5089c05
use hash in gzip_types, ssi_types, and sub_filter_types
Igor Sysoev <igor@sysoev.ru>
parents:
2051
diff
changeset
|
1153 != NGX_OK) |
723df5089c05
use hash in gzip_types, ssi_types, and sub_filter_types
Igor Sysoev <igor@sysoev.ru>
parents:
2051
diff
changeset
|
1154 { |
723df5089c05
use hash in gzip_types, ssi_types, and sub_filter_types
Igor Sysoev <igor@sysoev.ru>
parents:
2051
diff
changeset
|
1155 return NGX_CONF_ERROR; |
452 | 1156 } |
1157 | |
1158 return NGX_CONF_OK; | |
1159 } | |
1160 | |
1161 | |
681 | 1162 static ngx_int_t |
1163 ngx_http_gzip_filter_init(ngx_conf_t *cf) | |
1164 { | |
1165 ngx_http_next_header_filter = ngx_http_top_header_filter; | |
1166 ngx_http_top_header_filter = ngx_http_gzip_header_filter; | |
1167 | |
1168 ngx_http_next_body_filter = ngx_http_top_body_filter; | |
1169 ngx_http_top_body_filter = ngx_http_gzip_body_filter; | |
1170 | |
1171 return NGX_OK; | |
1172 } | |
1173 | |
1174 | |
497 | 1175 static char * |
527 | 1176 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
|
1177 { |
2290 | 1178 size_t *np = data; |
156
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
1179 |
2290 | 1180 size_t wbits, wsize; |
156
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
1181 |
430
1fa5daf7558e
nginx-0.0.11-2004-09-19-22:27:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
416
diff
changeset
|
1182 wbits = 15; |
156
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
1183 |
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
1184 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
changeset
|
1185 |
158
d377ee423603
nginx-0.0.1-2003-10-24-10:53:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
157
diff
changeset
|
1186 if (wsize == *np) { |
d377ee423603
nginx-0.0.1-2003-10-24-10:53:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
157
diff
changeset
|
1187 *np = wbits; |
430
1fa5daf7558e
nginx-0.0.11-2004-09-19-22:27:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
416
diff
changeset
|
1188 |
1fa5daf7558e
nginx-0.0.11-2004-09-19-22:27:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
416
diff
changeset
|
1189 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
|
1190 } |
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
1191 |
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
1192 wbits--; |
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
1193 } |
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
1194 |
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
1195 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
|
1196 } |
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
1197 |
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
1198 |
497 | 1199 static char * |
527 | 1200 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
|
1201 { |
2290 | 1202 size_t *np = data; |
156
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
1203 |
2290 | 1204 size_t memlevel, hsize; |
156
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
1205 |
430
1fa5daf7558e
nginx-0.0.11-2004-09-19-22:27:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
416
diff
changeset
|
1206 memlevel = 9; |
156
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
1207 |
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
1208 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
|
1209 |
158
d377ee423603
nginx-0.0.1-2003-10-24-10:53:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
157
diff
changeset
|
1210 if (hsize == *np) { |
d377ee423603
nginx-0.0.1-2003-10-24-10:53:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
157
diff
changeset
|
1211 *np = memlevel; |
430
1fa5daf7558e
nginx-0.0.11-2004-09-19-22:27:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
416
diff
changeset
|
1212 |
1fa5daf7558e
nginx-0.0.11-2004-09-19-22:27:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
416
diff
changeset
|
1213 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
|
1214 } |
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
1215 |
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
1216 memlevel--; |
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
1217 } |
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
1218 |
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
1219 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
|
1220 } |