Mercurial > hg > nginx
annotate src/http/modules/ngx_http_gzip_filter_module.c @ 2806:a445bd4eb571
ngx_create_listening()
author | Igor Sysoev <igor@sysoev.ru> |
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date | Tue, 05 May 2009 17:33:26 +0000 |
parents | 925b5df2e0c2 |
children | c7d57b539248 |
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 |
441
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4 */ |
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5 |
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6 |
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7 #include <ngx_config.h> |
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8 #include <ngx_core.h> |
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9 #include <ngx_http.h> |
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10 |
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11 #include <zlib.h> |
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12 |
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13 |
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14 typedef struct { |
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15 ngx_flag_t enable; |
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16 ngx_flag_t no_buffer; |
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17 |
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18 ngx_hash_t types; |
452 | 19 |
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20 ngx_bufs_t bufs; |
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21 |
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22 size_t postpone_gzipping; |
589 | 23 ngx_int_t level; |
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24 size_t wbits; |
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25 size_t memlevel; |
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26 ssize_t min_length; |
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27 |
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28 ngx_array_t *types_keys; |
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29 } ngx_http_gzip_conf_t; |
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30 |
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31 |
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32 typedef struct { |
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33 ngx_chain_t *in; |
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34 ngx_chain_t *free; |
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35 ngx_chain_t *busy; |
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36 ngx_chain_t *out; |
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37 ngx_chain_t **last_out; |
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38 |
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39 ngx_chain_t *copied; |
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40 ngx_chain_t *copy_buf; |
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41 |
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42 ngx_buf_t *in_buf; |
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43 ngx_buf_t *out_buf; |
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44 ngx_int_t bufs; |
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45 |
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46 void *preallocated; |
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47 char *free_mem; |
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48 ngx_uint_t allocated; |
133
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49 |
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50 int wbits; |
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51 int memlevel; |
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52 |
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53 unsigned flush:4; |
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54 unsigned redo:1; |
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55 unsigned done:1; |
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56 unsigned nomem:1; |
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57 unsigned gzheader:1; |
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58 unsigned buffering:1; |
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59 |
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60 size_t zin; |
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61 size_t zout; |
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62 |
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63 uint32_t crc32; |
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64 z_stream zstream; |
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65 ngx_http_request_t *request; |
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66 } ngx_http_gzip_ctx_t; |
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67 |
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68 |
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69 #if (NGX_HAVE_LITTLE_ENDIAN && NGX_HAVE_NONALIGNED) |
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70 |
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71 struct gztrailer { |
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72 uint32_t crc32; |
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73 uint32_t zlen; |
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74 }; |
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75 |
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76 #else /* NGX_HAVE_BIG_ENDIAN || !NGX_HAVE_NONALIGNED */ |
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77 |
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78 struct gztrailer { |
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79 u_char crc32[4]; |
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80 u_char zlen[4]; |
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81 }; |
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82 |
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83 #endif |
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84 |
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85 |
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86 static void ngx_http_gzip_filter_memory(ngx_http_request_t *r, |
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87 ngx_http_gzip_ctx_t *ctx); |
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88 static ngx_int_t ngx_http_gzip_filter_buffer(ngx_http_gzip_ctx_t *ctx, |
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89 ngx_chain_t *in); |
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90 static ngx_int_t ngx_http_gzip_filter_deflate_start(ngx_http_request_t *r, |
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91 ngx_http_gzip_ctx_t *ctx); |
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92 static ngx_int_t ngx_http_gzip_filter_gzheader(ngx_http_request_t *r, |
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93 ngx_http_gzip_ctx_t *ctx); |
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94 static ngx_int_t ngx_http_gzip_filter_add_data(ngx_http_request_t *r, |
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95 ngx_http_gzip_ctx_t *ctx); |
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96 static ngx_int_t ngx_http_gzip_filter_get_buf(ngx_http_request_t *r, |
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97 ngx_http_gzip_ctx_t *ctx); |
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98 static ngx_int_t ngx_http_gzip_filter_deflate(ngx_http_request_t *r, |
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99 ngx_http_gzip_ctx_t *ctx); |
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100 static ngx_int_t ngx_http_gzip_filter_deflate_end(ngx_http_request_t *r, |
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101 ngx_http_gzip_ctx_t *ctx); |
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102 |
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103 static void *ngx_http_gzip_filter_alloc(void *opaque, u_int items, |
497 | 104 u_int size); |
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105 static void ngx_http_gzip_filter_free(void *opaque, void *address); |
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106 static void ngx_http_gzip_filter_free_copy_buf(ngx_http_request_t *r, |
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107 ngx_http_gzip_ctx_t *ctx); |
177
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nginx-0.0.1-2003-11-10-20:17:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
166
diff
changeset
|
108 |
573 | 109 static ngx_int_t ngx_http_gzip_add_variables(ngx_conf_t *cf); |
110 static ngx_int_t ngx_http_gzip_ratio_variable(ngx_http_request_t *r, | |
111 ngx_http_variable_value_t *v, uintptr_t data); | |
479 | 112 |
681 | 113 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
|
114 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
|
115 static char *ngx_http_gzip_merge_conf(ngx_conf_t *cf, |
497 | 116 void *parent, void *child); |
527 | 117 static char *ngx_http_gzip_window(ngx_conf_t *cf, void *post, void *data); |
118 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
|
119 |
156
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
120 |
158
d377ee423603
nginx-0.0.1-2003-10-24-10:53:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
157
diff
changeset
|
121 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
|
122 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
|
123 }; |
d377ee423603
nginx-0.0.1-2003-10-24-10:53:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
157
diff
changeset
|
124 |
527 | 125 static ngx_conf_post_handler_pt ngx_http_gzip_window_p = ngx_http_gzip_window; |
126 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
|
127 |
134
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
128 |
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
129 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
|
130 |
239
574bea0142be
nginx-0.0.1-2004-01-26-11:52:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
177
diff
changeset
|
131 { ngx_string("gzip"), |
485 | 132 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_HTTP_LIF_CONF |
133 |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
|
134 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
|
135 NGX_HTTP_LOC_CONF_OFFSET, |
574bea0142be
nginx-0.0.1-2004-01-26-11:52:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
177
diff
changeset
|
136 offsetof(ngx_http_gzip_conf_t, enable), |
412
199cd29f35a3
nginx-0.0.10-2004-08-31-19:32:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
370
diff
changeset
|
137 NULL }, |
134
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
138 |
239
574bea0142be
nginx-0.0.1-2004-01-26-11:52:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
177
diff
changeset
|
139 { 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
|
140 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
|
141 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
|
142 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
|
143 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
|
144 NULL }, |
134
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
145 |
452 | 146 { ngx_string("gzip_types"), |
147 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
|
148 ngx_http_types_slot, |
452 | 149 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
|
150 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
|
151 &ngx_http_html_default_types[0] }, |
452 | 152 |
239
574bea0142be
nginx-0.0.1-2004-01-26-11:52:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
177
diff
changeset
|
153 { ngx_string("gzip_comp_level"), |
574bea0142be
nginx-0.0.1-2004-01-26-11:52:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
177
diff
changeset
|
154 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, |
574bea0142be
nginx-0.0.1-2004-01-26-11:52:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
177
diff
changeset
|
155 ngx_conf_set_num_slot, |
574bea0142be
nginx-0.0.1-2004-01-26-11:52:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
177
diff
changeset
|
156 NGX_HTTP_LOC_CONF_OFFSET, |
574bea0142be
nginx-0.0.1-2004-01-26-11:52:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
177
diff
changeset
|
157 offsetof(ngx_http_gzip_conf_t, level), |
412
199cd29f35a3
nginx-0.0.10-2004-08-31-19:32:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
370
diff
changeset
|
158 &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
|
159 |
239
574bea0142be
nginx-0.0.1-2004-01-26-11:52:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
177
diff
changeset
|
160 { ngx_string("gzip_window"), |
574bea0142be
nginx-0.0.1-2004-01-26-11:52:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
177
diff
changeset
|
161 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, |
574bea0142be
nginx-0.0.1-2004-01-26-11:52:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
177
diff
changeset
|
162 ngx_conf_set_size_slot, |
574bea0142be
nginx-0.0.1-2004-01-26-11:52:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
177
diff
changeset
|
163 NGX_HTTP_LOC_CONF_OFFSET, |
574bea0142be
nginx-0.0.1-2004-01-26-11:52:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
177
diff
changeset
|
164 offsetof(ngx_http_gzip_conf_t, wbits), |
527 | 165 &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
|
166 |
239
574bea0142be
nginx-0.0.1-2004-01-26-11:52:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
177
diff
changeset
|
167 { ngx_string("gzip_hash"), |
574bea0142be
nginx-0.0.1-2004-01-26-11:52:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
177
diff
changeset
|
168 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, |
574bea0142be
nginx-0.0.1-2004-01-26-11:52:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
177
diff
changeset
|
169 ngx_conf_set_size_slot, |
574bea0142be
nginx-0.0.1-2004-01-26-11:52:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
177
diff
changeset
|
170 NGX_HTTP_LOC_CONF_OFFSET, |
574bea0142be
nginx-0.0.1-2004-01-26-11:52:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
177
diff
changeset
|
171 offsetof(ngx_http_gzip_conf_t, memlevel), |
527 | 172 &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
|
173 |
2542
925b5df2e0c2
fix postponed zlib memory allocation, introduced in r2411
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
174 { ngx_string("postpone_gzipping"), |
925b5df2e0c2
fix postponed zlib memory allocation, introduced in r2411
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
175 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
|
176 ngx_conf_set_size_slot, |
925b5df2e0c2
fix postponed zlib memory allocation, introduced in r2411
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
177 NGX_HTTP_LOC_CONF_OFFSET, |
925b5df2e0c2
fix postponed zlib memory allocation, introduced in r2411
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
178 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
|
179 NULL }, |
925b5df2e0c2
fix postponed zlib memory allocation, introduced in r2411
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
180 |
239
574bea0142be
nginx-0.0.1-2004-01-26-11:52:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
177
diff
changeset
|
181 { 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
|
182 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
|
183 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
|
184 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
|
185 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
|
186 NULL }, |
134
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
187 |
320
d621239c30f7
nginx-0.0.3-2004-04-18-23:06:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
319
diff
changeset
|
188 { ngx_string("gzip_min_length"), |
d621239c30f7
nginx-0.0.3-2004-04-18-23:06:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
319
diff
changeset
|
189 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, |
d621239c30f7
nginx-0.0.3-2004-04-18-23:06:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
319
diff
changeset
|
190 ngx_conf_set_size_slot, |
d621239c30f7
nginx-0.0.3-2004-04-18-23:06:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
319
diff
changeset
|
191 NGX_HTTP_LOC_CONF_OFFSET, |
d621239c30f7
nginx-0.0.3-2004-04-18-23:06:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
319
diff
changeset
|
192 offsetof(ngx_http_gzip_conf_t, min_length), |
412
199cd29f35a3
nginx-0.0.10-2004-08-31-19:32:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
370
diff
changeset
|
193 NULL }, |
314
d71c87d11b16
nginx-0.0.3-2004-04-14-09:57:36 import
Igor Sysoev <igor@sysoev.ru>
parents:
294
diff
changeset
|
194 |
239
574bea0142be
nginx-0.0.1-2004-01-26-11:52:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
177
diff
changeset
|
195 ngx_null_command |
134
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
196 }; |
133
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
197 |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
198 |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
199 static ngx_http_module_t ngx_http_gzip_filter_module_ctx = { |
573 | 200 ngx_http_gzip_add_variables, /* preconfiguration */ |
681 | 201 ngx_http_gzip_filter_init, /* postconfiguration */ |
177
4db54fdbcbe7
nginx-0.0.1-2003-11-10-20:17:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
166
diff
changeset
|
202 |
133
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
203 NULL, /* create main configuration */ |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
204 NULL, /* init main configuration */ |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
205 |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
206 NULL, /* create server configuration */ |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
207 NULL, /* merge server configuration */ |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
208 |
134
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
209 ngx_http_gzip_create_conf, /* create location configuration */ |
489 | 210 ngx_http_gzip_merge_conf /* merge location configuration */ |
133
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
211 }; |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
212 |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
213 |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
214 ngx_module_t ngx_http_gzip_filter_module = { |
509 | 215 NGX_MODULE_V1, |
133
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
216 &ngx_http_gzip_filter_module_ctx, /* module context */ |
134
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
217 ngx_http_gzip_filter_commands, /* module directives */ |
133
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
218 NGX_HTTP_MODULE, /* module type */ |
541 | 219 NULL, /* init master */ |
681 | 220 NULL, /* init module */ |
541 | 221 NULL, /* init process */ |
222 NULL, /* init thread */ | |
223 NULL, /* exit thread */ | |
224 NULL, /* exit process */ | |
225 NULL, /* exit master */ | |
226 NGX_MODULE_V1_PADDING | |
133
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
227 }; |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
228 |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
229 |
573 | 230 static ngx_str_t ngx_http_gzip_ratio = ngx_string("gzip_ratio"); |
509 | 231 |
155
46eb23d9471d
nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents:
154
diff
changeset
|
232 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
|
233 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
|
234 |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
235 |
497 | 236 static ngx_int_t |
237 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
|
238 { |
2051
115e6f029fcc
"gzip_vary on" always sends "Vary: Accept-Encoding" header
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parents:
2049
diff
changeset
|
239 ngx_table_elt_t *h; |
115e6f029fcc
"gzip_vary on" always sends "Vary: Accept-Encoding" header
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parents:
2049
diff
changeset
|
240 ngx_http_gzip_ctx_t *ctx; |
115e6f029fcc
"gzip_vary on" always sends "Vary: Accept-Encoding" header
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parents:
2049
diff
changeset
|
241 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
|
242 |
135
e29909bd9b8a
nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
134
diff
changeset
|
243 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
|
244 |
e29909bd9b8a
nginx-0.0.1-2003-09-28-23:29:06 import
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parents:
134
diff
changeset
|
245 if (!conf->enable |
452 | 246 || (r->headers_out.status != NGX_HTTP_OK |
247 && r->headers_out.status != NGX_HTTP_FORBIDDEN | |
248 && r->headers_out.status != NGX_HTTP_NOT_FOUND) | |
134
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
249 || r->header_only |
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
Igor Sysoev <igor@sysoev.ru>
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) |
2166
723df5089c05
use hash in gzip_types, ssi_types, and sub_filter_types
Igor Sysoev <igor@sysoev.ru>
parents:
2051
diff
changeset
|
254 || ngx_http_test_content_type(r, &conf->types) == NULL |
1790
775edc46ee66
ngx_http_gzip_static_module and gzip_disable
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parents:
1626
diff
changeset
|
255 || ngx_http_gzip_ok(r) != NGX_OK) |
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
Igor Sysoev <igor@sysoev.ru>
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 |
501 | 260 ctx = ngx_pcalloc(r->pool, sizeof(ngx_http_gzip_ctx_t)); |
261 if (ctx == NULL) { | |
262 return NGX_ERROR; | |
263 } | |
314
d71c87d11b16
nginx-0.0.3-2004-04-14-09:57:36 import
Igor Sysoev <igor@sysoev.ru>
parents:
294
diff
changeset
|
264 |
501 | 265 ngx_http_set_ctx(r, ctx, ngx_http_gzip_filter_module); |
266 | |
156
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
267 ctx->request = r; |
2542
925b5df2e0c2
fix postponed zlib memory allocation, introduced in r2411
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diff
changeset
|
268 ctx->buffering = (conf->postpone_gzipping != 0); |
2410
bbfaeb220e90
postpone zlib memory allocation
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parents:
2292
diff
changeset
|
269 |
bbfaeb220e90
postpone zlib memory allocation
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parents:
2292
diff
changeset
|
270 ngx_http_gzip_filter_memory(r, ctx); |
133
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
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parents:
diff
changeset
|
271 |
1790
775edc46ee66
ngx_http_gzip_static_module and gzip_disable
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parents:
1626
diff
changeset
|
272 h = ngx_list_push(&r->headers_out.headers); |
775edc46ee66
ngx_http_gzip_static_module and gzip_disable
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parents:
1626
diff
changeset
|
273 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
|
274 return NGX_ERROR; |
84036764e215
nginx-0.0.1-2003-10-29-11:30:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
160
diff
changeset
|
275 } |
135
e29909bd9b8a
nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
134
diff
changeset
|
276 |
1790
775edc46ee66
ngx_http_gzip_static_module and gzip_disable
Igor Sysoev <igor@sysoev.ru>
parents:
1626
diff
changeset
|
277 h->hash = 1; |
775edc46ee66
ngx_http_gzip_static_module and gzip_disable
Igor Sysoev <igor@sysoev.ru>
parents:
1626
diff
changeset
|
278 h->key.len = sizeof("Content-Encoding") - 1; |
775edc46ee66
ngx_http_gzip_static_module and gzip_disable
Igor Sysoev <igor@sysoev.ru>
parents:
1626
diff
changeset
|
279 h->key.data = (u_char *) "Content-Encoding"; |
775edc46ee66
ngx_http_gzip_static_module and gzip_disable
Igor Sysoev <igor@sysoev.ru>
parents:
1626
diff
changeset
|
280 h->value.len = sizeof("gzip") - 1; |
775edc46ee66
ngx_http_gzip_static_module and gzip_disable
Igor Sysoev <igor@sysoev.ru>
parents:
1626
diff
changeset
|
281 h->value.data = (u_char *) "gzip"; |
1583 | 282 |
1790
775edc46ee66
ngx_http_gzip_static_module and gzip_disable
Igor Sysoev <igor@sysoev.ru>
parents:
1626
diff
changeset
|
283 r->headers_out.content_encoding = h; |
775edc46ee66
ngx_http_gzip_static_module and gzip_disable
Igor Sysoev <igor@sysoev.ru>
parents:
1626
diff
changeset
|
284 |
513 | 285 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
|
286 |
577 | 287 ngx_http_clear_content_length(r); |
288 ngx_http_clear_accept_ranges(r); | |
289 | |
155
46eb23d9471d
nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents:
154
diff
changeset
|
290 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
|
291 } |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
292 |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
293 |
497 | 294 static ngx_int_t |
295 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
|
296 { |
2291
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
297 int rc; |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
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parents:
2290
diff
changeset
|
298 ngx_chain_t *cl; |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
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parents:
2290
diff
changeset
|
299 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
|
300 |
243
bf2faf694c19
nginx-0.0.1-2004-01-28-23:38:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
239
diff
changeset
|
301 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
|
302 |
243
bf2faf694c19
nginx-0.0.1-2004-01-28-23:38:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
239
diff
changeset
|
303 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
|
304 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
|
305 } |
4db54fdbcbe7
nginx-0.0.1-2003-11-10-20:17:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
166
diff
changeset
|
306 |
2410
bbfaeb220e90
postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents:
2292
diff
changeset
|
307 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
|
308 "http gzip filter"); |
bbfaeb220e90
postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents:
2292
diff
changeset
|
309 |
bbfaeb220e90
postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents:
2292
diff
changeset
|
310 if (ctx->buffering) { |
bbfaeb220e90
postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents:
2292
diff
changeset
|
311 |
2542
925b5df2e0c2
fix postponed zlib memory allocation, introduced in r2411
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
312 /* |
925b5df2e0c2
fix postponed zlib memory allocation, introduced in r2411
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
313 * 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
|
314 * 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
|
315 * 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
|
316 * 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
|
317 * 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
|
318 * 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
|
319 */ |
925b5df2e0c2
fix postponed zlib memory allocation, introduced in r2411
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
320 |
2410
bbfaeb220e90
postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents:
2292
diff
changeset
|
321 if (in) { |
2542
925b5df2e0c2
fix postponed zlib memory allocation, introduced in r2411
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
322 switch (ngx_http_gzip_filter_buffer(ctx, in)) { |
2410
bbfaeb220e90
postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents:
2292
diff
changeset
|
323 |
2468 | 324 case NGX_OK: |
325 return NGX_OK; | |
2410
bbfaeb220e90
postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents:
2292
diff
changeset
|
326 |
2468 | 327 case NGX_DONE: |
328 in = NULL; | |
329 break; | |
2410
bbfaeb220e90
postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents:
2292
diff
changeset
|
330 |
2468 | 331 default: /* NGX_ERROR */ |
332 goto failed; | |
333 } | |
2410
bbfaeb220e90
postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents:
2292
diff
changeset
|
334 |
bbfaeb220e90
postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents:
2292
diff
changeset
|
335 } else { |
bbfaeb220e90
postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents:
2292
diff
changeset
|
336 ctx->buffering = 0; |
bbfaeb220e90
postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents:
2292
diff
changeset
|
337 } |
bbfaeb220e90
postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents:
2292
diff
changeset
|
338 } |
bbfaeb220e90
postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents:
2292
diff
changeset
|
339 |
156
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
340 if (ctx->preallocated == NULL) { |
2291
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
341 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
|
342 goto failed; |
430
1fa5daf7558e
nginx-0.0.11-2004-09-19-22:27:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
416
diff
changeset
|
343 } |
133
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
344 } |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
345 |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
346 if (in) { |
2536
a6d6d762c554
small optimization: " == NGX_ERROR" > " != NGX_OK"
Igor Sysoev <igor@sysoev.ru>
parents:
2468
diff
changeset
|
347 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
|
348 goto failed; |
134
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
349 } |
133
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
350 } |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
351 |
2287
baa61933d5ed
use nomem flag to flush busy bufs,
Igor Sysoev <igor@sysoev.ru>
parents:
2166
diff
changeset
|
352 if (ctx->nomem) { |
2291
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
353 |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
354 /* flush busy buffers */ |
2287
baa61933d5ed
use nomem flag to flush busy bufs,
Igor Sysoev <igor@sysoev.ru>
parents:
2166
diff
changeset
|
355 |
baa61933d5ed
use nomem flag to flush busy bufs,
Igor Sysoev <igor@sysoev.ru>
parents:
2166
diff
changeset
|
356 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
|
357 goto failed; |
2287
baa61933d5ed
use nomem flag to flush busy bufs,
Igor Sysoev <igor@sysoev.ru>
parents:
2166
diff
changeset
|
358 } |
baa61933d5ed
use nomem flag to flush busy bufs,
Igor Sysoev <igor@sysoev.ru>
parents:
2166
diff
changeset
|
359 |
baa61933d5ed
use nomem flag to flush busy bufs,
Igor Sysoev <igor@sysoev.ru>
parents:
2166
diff
changeset
|
360 cl = NULL; |
baa61933d5ed
use nomem flag to flush busy bufs,
Igor Sysoev <igor@sysoev.ru>
parents:
2166
diff
changeset
|
361 |
baa61933d5ed
use nomem flag to flush busy bufs,
Igor Sysoev <igor@sysoev.ru>
parents:
2166
diff
changeset
|
362 ngx_chain_update_chains(&ctx->free, &ctx->busy, &cl, |
baa61933d5ed
use nomem flag to flush busy bufs,
Igor Sysoev <igor@sysoev.ru>
parents:
2166
diff
changeset
|
363 (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
|
364 ctx->nomem = 0; |
baa61933d5ed
use nomem flag to flush busy bufs,
Igor Sysoev <igor@sysoev.ru>
parents:
2166
diff
changeset
|
365 } |
141
656d468f4ead
nginx-0.0.1-2003-10-08-19:32:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
136
diff
changeset
|
366 |
135
e29909bd9b8a
nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
134
diff
changeset
|
367 for ( ;; ) { |
e29909bd9b8a
nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
134
diff
changeset
|
368 |
2291
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
369 /* cycle while we can write to a client */ |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
370 |
133
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
371 for ( ;; ) { |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
372 |
2291
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
373 /* 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
|
374 |
2291
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
375 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
|
376 |
2291
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
377 if (rc == NGX_DECLINED) { |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
378 break; |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
379 } |
133
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
380 |
2291
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
381 if (rc == NGX_AGAIN) { |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
382 continue; |
133
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
383 } |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
384 |
430
1fa5daf7558e
nginx-0.0.11-2004-09-19-22:27:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
416
diff
changeset
|
385 |
2291
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
386 /* ... 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
|
387 |
2291
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
388 rc = ngx_http_gzip_filter_get_buf(r, ctx); |
501 | 389 |
2291
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
390 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
|
391 break; |
ba876b26b76d
nginx-0.0.3-2004-04-21-22:54:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
322
diff
changeset
|
392 } |
ba876b26b76d
nginx-0.0.3-2004-04-21-22:54:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
322
diff
changeset
|
393 |
2291
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
394 if (rc == NGX_ERROR) { |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
395 goto failed; |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
396 } |
134
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
397 |
479 | 398 |
2291
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
399 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
|
400 |
2291
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
401 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
|
402 break; |
ba876b26b76d
nginx-0.0.3-2004-04-21-22:54:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
322
diff
changeset
|
403 } |
133
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
404 |
2291
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
405 if (rc == NGX_ERROR) { |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
406 goto failed; |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
407 } |
501 | 408 |
2291
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
409 /* rc == NGX_AGAIN */ |
133
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
410 } |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
411 |
1626 | 412 if (ctx->out == NULL) { |
2410
bbfaeb220e90
postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents:
2292
diff
changeset
|
413 ngx_http_gzip_filter_free_copy_buf(r, ctx); |
bbfaeb220e90
postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents:
2292
diff
changeset
|
414 |
2292 | 415 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
|
416 } |
1fa5daf7558e
nginx-0.0.11-2004-09-19-22:27:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
416
diff
changeset
|
417 |
2291
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
418 if (!ctx->gzheader) { |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
419 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
|
420 goto failed; |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
421 } |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
422 } |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
423 |
2287
baa61933d5ed
use nomem flag to flush busy bufs,
Igor Sysoev <igor@sysoev.ru>
parents:
2166
diff
changeset
|
424 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
|
425 |
2287
baa61933d5ed
use nomem flag to flush busy bufs,
Igor Sysoev <igor@sysoev.ru>
parents:
2166
diff
changeset
|
426 if (rc == NGX_ERROR) { |
2291
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
427 goto failed; |
133
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
428 } |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
429 |
2410
bbfaeb220e90
postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents:
2292
diff
changeset
|
430 ngx_http_gzip_filter_free_copy_buf(r, ctx); |
bbfaeb220e90
postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents:
2292
diff
changeset
|
431 |
154
eac26585476e
nginx-0.0.1-2003-10-22-11:05:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
153
diff
changeset
|
432 ngx_chain_update_chains(&ctx->free, &ctx->busy, &ctx->out, |
501 | 433 (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
|
434 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
|
435 |
2287
baa61933d5ed
use nomem flag to flush busy bufs,
Igor Sysoev <igor@sysoev.ru>
parents:
2166
diff
changeset
|
436 ctx->nomem = 0; |
baa61933d5ed
use nomem flag to flush busy bufs,
Igor Sysoev <igor@sysoev.ru>
parents:
2166
diff
changeset
|
437 |
327
e0f3f238db09
nginx-0.0.3-2004-04-26-17:40:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
326
diff
changeset
|
438 if (ctx->done) { |
2287
baa61933d5ed
use nomem flag to flush busy bufs,
Igor Sysoev <igor@sysoev.ru>
parents:
2166
diff
changeset
|
439 return rc; |
327
e0f3f238db09
nginx-0.0.3-2004-04-26-17:40:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
326
diff
changeset
|
440 } |
133
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
441 } |
2291
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 /* unreachable */ |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
444 |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
445 failed: |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
446 |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
447 ctx->done = 1; |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
448 |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
449 if (ctx->preallocated) { |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
450 deflateEnd(&ctx->zstream); |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
451 |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
452 ngx_pfree(r->pool, ctx->preallocated); |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
453 } |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
454 |
2410
bbfaeb220e90
postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents:
2292
diff
changeset
|
455 ngx_http_gzip_filter_free_copy_buf(r, ctx); |
bbfaeb220e90
postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents:
2292
diff
changeset
|
456 |
2291
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
457 return NGX_ERROR; |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
458 } |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
459 |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
460 |
2410
bbfaeb220e90
postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents:
2292
diff
changeset
|
461 static void |
bbfaeb220e90
postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents:
2292
diff
changeset
|
462 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
|
463 { |
2410
bbfaeb220e90
postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents:
2292
diff
changeset
|
464 int wbits, memlevel; |
2291
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
465 ngx_http_gzip_conf_t *conf; |
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 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
|
468 |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
469 wbits = conf->wbits; |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
470 memlevel = conf->memlevel; |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
471 |
2410
bbfaeb220e90
postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents:
2292
diff
changeset
|
472 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
|
473 |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
474 /* 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
|
475 |
2410
bbfaeb220e90
postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents:
2292
diff
changeset
|
476 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
|
477 wbits--; |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
478 memlevel--; |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
479 } |
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480 } |
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481 |
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482 ctx->wbits = wbits; |
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483 ctx->memlevel = memlevel; |
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484 |
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485 /* |
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486 * We preallocate a memory for zlib in one buffer (200K-400K), this |
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487 * decreases a number of malloc() and free() calls and also probably |
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488 * decreases a number of syscalls (sbrk()/mmap() and so on). |
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489 * Besides we free the memory as soon as a gzipping will complete |
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490 * and do not wait while a whole response will be sent to a client. |
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491 * |
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492 * 8K is for zlib deflate_state, it takes |
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493 * *) 5816 bytes on i386 and sparc64 (32-bit mode) |
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494 * *) 5920 bytes on amd64 and sparc64 |
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495 */ |
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496 |
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497 ctx->allocated = 8192 + (1 << (wbits + 2)) + (1 << (memlevel + 9)); |
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498 } |
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499 |
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500 |
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501 static ngx_int_t |
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502 ngx_http_gzip_filter_buffer(ngx_http_gzip_ctx_t *ctx, ngx_chain_t *in) |
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503 { |
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504 size_t size, buffered; |
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505 ngx_buf_t *b, *buf; |
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506 ngx_chain_t *cl, **ll; |
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507 ngx_http_request_t *r; |
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508 ngx_http_gzip_conf_t *conf; |
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509 |
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510 r = ctx->request; |
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511 |
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512 r->connection->buffered |= NGX_HTTP_GZIP_BUFFERED; |
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513 |
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514 buffered = 0; |
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515 ll = &ctx->in; |
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516 |
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517 for (cl = ctx->in; cl; cl = cl->next) { |
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518 buffered += cl->buf->last - cl->buf->pos; |
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519 ll = &cl->next; |
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520 } |
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521 |
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522 conf = ngx_http_get_module_loc_conf(r, ngx_http_gzip_filter_module); |
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523 |
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524 while (in) { |
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525 cl = ngx_alloc_chain_link(r->pool); |
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526 if (cl == NULL) { |
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527 return NGX_ERROR; |
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528 } |
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529 |
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530 b = in->buf; |
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531 |
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532 size = b->last - b->pos; |
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533 buffered += size; |
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534 |
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535 if (b->flush || b->last_buf || buffered > conf->postpone_gzipping) { |
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536 ctx->buffering = 0; |
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537 } |
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538 |
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539 if (ctx->buffering && size) { |
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540 |
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541 buf = ngx_create_temp_buf(r->pool, size); |
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542 if (buf == NULL) { |
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543 return NGX_ERROR; |
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544 } |
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545 |
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546 buf->last = ngx_cpymem(buf->pos, b->pos, size); |
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547 b->pos = b->last; |
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548 |
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549 buf->last_buf = b->last_buf; |
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550 buf->tag = (ngx_buf_tag_t) &ngx_http_gzip_filter_module; |
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551 |
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552 cl->buf = buf; |
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553 |
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554 } else { |
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555 cl->buf = b; |
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556 } |
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557 |
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558 *ll = cl; |
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559 ll = &cl->next; |
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560 in = in->next; |
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561 } |
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562 |
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563 *ll = NULL; |
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564 |
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565 return ctx->buffering ? NGX_OK : NGX_DONE; |
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566 } |
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567 |
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568 |
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569 static ngx_int_t |
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570 ngx_http_gzip_filter_deflate_start(ngx_http_request_t *r, |
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571 ngx_http_gzip_ctx_t *ctx) |
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572 { |
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573 int rc; |
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574 ngx_http_gzip_conf_t *conf; |
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575 |
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576 conf = ngx_http_get_module_loc_conf(r, ngx_http_gzip_filter_module); |
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577 |
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578 ctx->preallocated = ngx_palloc(r->pool, ctx->allocated); |
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579 if (ctx->preallocated == NULL) { |
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580 return NGX_ERROR; |
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581 } |
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582 |
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583 ctx->free_mem = ctx->preallocated; |
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584 |
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585 ctx->zstream.zalloc = ngx_http_gzip_filter_alloc; |
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586 ctx->zstream.zfree = ngx_http_gzip_filter_free; |
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587 ctx->zstream.opaque = ctx; |
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588 |
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589 rc = deflateInit2(&ctx->zstream, (int) conf->level, Z_DEFLATED, |
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590 - ctx->wbits, ctx->memlevel, Z_DEFAULT_STRATEGY); |
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591 |
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592 if (rc != Z_OK) { |
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593 ngx_log_error(NGX_LOG_ALERT, r->connection->log, 0, |
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594 "deflateInit2() failed: %d", rc); |
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595 return NGX_ERROR; |
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596 } |
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597 |
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598 ctx->last_out = &ctx->out; |
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599 ctx->crc32 = crc32(0L, Z_NULL, 0); |
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600 ctx->flush = Z_NO_FLUSH; |
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601 |
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602 return NGX_OK; |
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603 } |
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604 |
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605 |
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606 static ngx_int_t |
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607 ngx_http_gzip_filter_gzheader(ngx_http_request_t *r, ngx_http_gzip_ctx_t *ctx) |
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608 { |
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609 ngx_buf_t *b; |
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610 ngx_chain_t *cl; |
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611 static u_char gzheader[10] = |
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612 { 0x1f, 0x8b, Z_DEFLATED, 0, 0, 0, 0, 0, 0, 3 }; |
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613 |
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614 b = ngx_pcalloc(r->pool, sizeof(ngx_buf_t)); |
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615 if (b == NULL) { |
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616 return NGX_ERROR; |
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617 } |
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618 |
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619 b->memory = 1; |
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620 b->pos = gzheader; |
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621 b->last = b->pos + 10; |
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622 |
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623 cl = ngx_alloc_chain_link(r->pool); |
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624 if (cl == NULL) { |
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625 return NGX_ERROR; |
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626 } |
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627 |
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628 cl->buf = b; |
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629 cl->next = ctx->out; |
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630 ctx->out = cl; |
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631 |
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632 ctx->gzheader = 1; |
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633 |
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634 return NGX_OK; |
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635 } |
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636 |
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637 |
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638 static ngx_int_t |
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639 ngx_http_gzip_filter_add_data(ngx_http_request_t *r, ngx_http_gzip_ctx_t *ctx) |
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640 { |
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641 if (ctx->zstream.avail_in || ctx->flush != Z_NO_FLUSH || ctx->redo) { |
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642 return NGX_OK; |
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643 } |
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644 |
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645 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
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646 "gzip in: %p", ctx->in); |
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647 |
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648 if (ctx->in == NULL) { |
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649 return NGX_DECLINED; |
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650 } |
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|
651 |
2410
bbfaeb220e90
postpone zlib memory allocation
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652 if (ctx->copy_buf) { |
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|
653 |
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654 /* |
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655 * to avoid CPU cache trashing we do not free() just quit buf, |
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656 * but postpone free()ing after zlib compressing and data output |
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657 */ |
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658 |
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659 ctx->copy_buf->next = ctx->copied; |
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660 ctx->copied = ctx->copy_buf; |
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661 ctx->copy_buf = NULL; |
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662 } |
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|
663 |
2291
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664 ctx->in_buf = ctx->in->buf; |
2410
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postpone zlib memory allocation
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|
665 |
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666 if (ctx->in_buf->tag == (ngx_buf_tag_t) &ngx_http_gzip_filter_module) { |
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667 ctx->copy_buf = ctx->in; |
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|
668 } |
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|
669 |
2291
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670 ctx->in = ctx->in->next; |
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|
671 |
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*) split ngx_http_gzip_body_filter()
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672 ctx->zstream.next_in = ctx->in_buf->pos; |
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673 ctx->zstream.avail_in = ctx->in_buf->last - ctx->in_buf->pos; |
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674 |
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*) split ngx_http_gzip_body_filter()
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|
675 ngx_log_debug3(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
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|
676 "gzip in_buf:%p ni:%p ai:%ud", |
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677 ctx->in_buf, |
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678 ctx->zstream.next_in, ctx->zstream.avail_in); |
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|
679 |
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680 if (ctx->in_buf->last_buf) { |
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681 ctx->flush = Z_FINISH; |
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|
682 |
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|
683 } else if (ctx->in_buf->flush) { |
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684 ctx->flush = Z_SYNC_FLUSH; |
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|
685 } |
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*) split ngx_http_gzip_body_filter()
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|
686 |
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*) split ngx_http_gzip_body_filter()
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|
687 if (ctx->zstream.avail_in) { |
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*) split ngx_http_gzip_body_filter()
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|
688 |
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|
689 ctx->crc32 = crc32(ctx->crc32, ctx->zstream.next_in, |
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|
690 ctx->zstream.avail_in); |
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|
691 |
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*) split ngx_http_gzip_body_filter()
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|
692 } else if (ctx->flush == Z_NO_FLUSH) { |
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|
693 return NGX_AGAIN; |
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|
694 } |
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*) split ngx_http_gzip_body_filter()
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|
695 |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
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|
696 return NGX_OK; |
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*) split ngx_http_gzip_body_filter()
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|
697 } |
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*) split ngx_http_gzip_body_filter()
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|
698 |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
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|
699 |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
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|
700 static ngx_int_t |
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|
701 ngx_http_gzip_filter_get_buf(ngx_http_request_t *r, ngx_http_gzip_ctx_t *ctx) |
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|
702 { |
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|
703 ngx_http_gzip_conf_t *conf; |
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|
704 |
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*) split ngx_http_gzip_body_filter()
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|
705 if (ctx->zstream.avail_out) { |
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*) split ngx_http_gzip_body_filter()
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|
706 return NGX_OK; |
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*) split ngx_http_gzip_body_filter()
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|
707 } |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
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|
708 |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
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|
709 conf = ngx_http_get_module_loc_conf(r, ngx_http_gzip_filter_module); |
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|
710 |
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*) split ngx_http_gzip_body_filter()
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|
711 if (ctx->free) { |
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*) split ngx_http_gzip_body_filter()
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|
712 ctx->out_buf = ctx->free->buf; |
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*) split ngx_http_gzip_body_filter()
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|
713 ctx->free = ctx->free->next; |
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*) split ngx_http_gzip_body_filter()
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|
714 |
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*) split ngx_http_gzip_body_filter()
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|
715 } else if (ctx->bufs < conf->bufs.num) { |
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*) split ngx_http_gzip_body_filter()
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|
716 |
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*) split ngx_http_gzip_body_filter()
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|
717 ctx->out_buf = ngx_create_temp_buf(r->pool, conf->bufs.size); |
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|
718 if (ctx->out_buf == NULL) { |
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*) split ngx_http_gzip_body_filter()
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719 return NGX_ERROR; |
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*) split ngx_http_gzip_body_filter()
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|
720 } |
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*) split ngx_http_gzip_body_filter()
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|
721 |
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*) split ngx_http_gzip_body_filter()
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|
722 ctx->out_buf->tag = (ngx_buf_tag_t) &ngx_http_gzip_filter_module; |
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*) split ngx_http_gzip_body_filter()
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723 ctx->out_buf->recycled = 1; |
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*) split ngx_http_gzip_body_filter()
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|
724 ctx->bufs++; |
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*) split ngx_http_gzip_body_filter()
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|
725 |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
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|
726 } else { |
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*) split ngx_http_gzip_body_filter()
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|
727 ctx->nomem = 1; |
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*) split ngx_http_gzip_body_filter()
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|
728 return NGX_DECLINED; |
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*) split ngx_http_gzip_body_filter()
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|
729 } |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
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|
730 |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
731 ctx->zstream.next_out = ctx->out_buf->pos; |
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*) split ngx_http_gzip_body_filter()
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parents:
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|
732 ctx->zstream.avail_out = conf->bufs.size; |
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*) split ngx_http_gzip_body_filter()
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|
733 |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
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|
734 return NGX_OK; |
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*) split ngx_http_gzip_body_filter()
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|
735 } |
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*) split ngx_http_gzip_body_filter()
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|
736 |
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*) split ngx_http_gzip_body_filter()
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|
737 |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
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|
738 static ngx_int_t |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
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|
739 ngx_http_gzip_filter_deflate(ngx_http_request_t *r, ngx_http_gzip_ctx_t *ctx) |
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*) split ngx_http_gzip_body_filter()
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|
740 { |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
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|
741 int rc; |
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*) split ngx_http_gzip_body_filter()
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|
742 ngx_chain_t *cl; |
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*) split ngx_http_gzip_body_filter()
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|
743 ngx_http_gzip_conf_t *conf; |
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*) split ngx_http_gzip_body_filter()
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|
744 |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
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|
745 ngx_log_debug6(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
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*) split ngx_http_gzip_body_filter()
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|
746 "deflate in: ni:%p no:%p ai:%ud ao:%ud fl:%d redo:%d", |
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*) split ngx_http_gzip_body_filter()
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|
747 ctx->zstream.next_in, ctx->zstream.next_out, |
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*) split ngx_http_gzip_body_filter()
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|
748 ctx->zstream.avail_in, ctx->zstream.avail_out, |
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*) split ngx_http_gzip_body_filter()
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|
749 ctx->flush, ctx->redo); |
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*) split ngx_http_gzip_body_filter()
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|
750 |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
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changeset
|
751 rc = deflate(&ctx->zstream, ctx->flush); |
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*) split ngx_http_gzip_body_filter()
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|
752 |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
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|
753 if (rc != Z_OK && rc != Z_STREAM_END) { |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
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parents:
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changeset
|
754 ngx_log_error(NGX_LOG_ALERT, r->connection->log, 0, |
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*) split ngx_http_gzip_body_filter()
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|
755 "deflate() failed: %d, %d", ctx->flush, rc); |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
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|
756 return NGX_ERROR; |
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*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
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|
757 } |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
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|
758 |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
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|
759 ngx_log_debug5(NGX_LOG_DEBUG_HTTP, r->connection->log, 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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|
760 "deflate out: ni:%p no:%p ai:%ud ao:%ud rc:%d", |
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*) split ngx_http_gzip_body_filter()
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|
761 ctx->zstream.next_in, ctx->zstream.next_out, |
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*) split ngx_http_gzip_body_filter()
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changeset
|
762 ctx->zstream.avail_in, ctx->zstream.avail_out, |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
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parents:
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|
763 rc); |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
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|
764 |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
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|
765 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
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changeset
|
766 "gzip in_buf:%p pos:%p", |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
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|
767 ctx->in_buf, ctx->in_buf->pos); |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
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changeset
|
768 |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
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changeset
|
769 if (ctx->zstream.next_in) { |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
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parents:
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changeset
|
770 ctx->in_buf->pos = ctx->zstream.next_in; |
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*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
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changeset
|
771 |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
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changeset
|
772 if (ctx->zstream.avail_in == 0) { |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
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changeset
|
773 ctx->zstream.next_in = NULL; |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
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changeset
|
774 } |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
775 } |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
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diff
changeset
|
776 |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
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changeset
|
777 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
|
778 |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
779 if (ctx->zstream.avail_out == 0) { |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
780 |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
781 /* zlib wants to output some more gzipped data */ |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
782 |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
783 cl = ngx_alloc_chain_link(r->pool); |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
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changeset
|
784 if (cl == NULL) { |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
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changeset
|
785 return NGX_ERROR; |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
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changeset
|
786 } |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
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changeset
|
787 |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
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changeset
|
788 cl->buf = ctx->out_buf; |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
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changeset
|
789 cl->next = NULL; |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
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parents:
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changeset
|
790 *ctx->last_out = cl; |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
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changeset
|
791 ctx->last_out = &cl->next; |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
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diff
changeset
|
792 |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
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changeset
|
793 ctx->redo = 1; |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
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diff
changeset
|
794 |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
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changeset
|
795 return NGX_AGAIN; |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
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changeset
|
796 } |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
797 |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
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changeset
|
798 ctx->redo = 0; |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
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changeset
|
799 |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
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changeset
|
800 if (ctx->flush == Z_SYNC_FLUSH) { |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
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changeset
|
801 |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
802 ctx->zstream.avail_out = 0; |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
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changeset
|
803 ctx->out_buf->flush = 1; |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
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changeset
|
804 ctx->flush = Z_NO_FLUSH; |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
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changeset
|
805 |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
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changeset
|
806 cl = ngx_alloc_chain_link(r->pool); |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
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changeset
|
807 if (cl == NULL) { |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
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changeset
|
808 return NGX_ERROR; |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
809 } |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
810 |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
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changeset
|
811 cl->buf = ctx->out_buf; |
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*) split ngx_http_gzip_body_filter()
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changeset
|
812 cl->next = NULL; |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
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diff
changeset
|
813 *ctx->last_out = cl; |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
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changeset
|
814 ctx->last_out = &cl->next; |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
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changeset
|
815 |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
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changeset
|
816 return NGX_OK; |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
817 } |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
818 |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
819 if (rc == Z_STREAM_END) { |
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>
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diff
changeset
|
821 if (ngx_http_gzip_filter_deflate_end(r, ctx) != NGX_OK) { |
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822 return NGX_ERROR; |
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|
823 } |
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|
824 |
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825 return NGX_OK; |
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|
826 } |
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|
827 |
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|
828 conf = ngx_http_get_module_loc_conf(r, ngx_http_gzip_filter_module); |
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|
829 |
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|
830 if (conf->no_buffer && ctx->in == NULL) { |
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831 |
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|
832 cl = ngx_alloc_chain_link(r->pool); |
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*) split ngx_http_gzip_body_filter()
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|
833 if (cl == NULL) { |
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|
834 return NGX_ERROR; |
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|
835 } |
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|
836 |
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|
837 cl->buf = ctx->out_buf; |
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838 cl->next = NULL; |
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|
839 *ctx->last_out = cl; |
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|
840 ctx->last_out = &cl->next; |
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|
841 |
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|
842 return NGX_OK; |
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|
843 } |
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*) split ngx_http_gzip_body_filter()
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|
844 |
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|
845 return NGX_AGAIN; |
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|
846 } |
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*) split ngx_http_gzip_body_filter()
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|
847 |
e9a1cddf2aaa
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|
848 |
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|
849 static ngx_int_t |
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850 ngx_http_gzip_filter_deflate_end(ngx_http_request_t *r, |
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|
851 ngx_http_gzip_ctx_t *ctx) |
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*) split ngx_http_gzip_body_filter()
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|
852 { |
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*) split ngx_http_gzip_body_filter()
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|
853 int rc; |
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parents:
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|
854 ngx_buf_t *b; |
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|
855 ngx_chain_t *cl; |
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*) split ngx_http_gzip_body_filter()
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|
856 struct gztrailer *trailer; |
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*) split ngx_http_gzip_body_filter()
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|
857 |
e9a1cddf2aaa
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|
858 ctx->zin = ctx->zstream.total_in; |
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|
859 ctx->zout = 10 + ctx->zstream.total_out + 8; |
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*) split ngx_http_gzip_body_filter()
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|
860 |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
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|
861 rc = deflateEnd(&ctx->zstream); |
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*) split ngx_http_gzip_body_filter()
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|
862 |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
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|
863 if (rc != Z_OK) { |
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*) split ngx_http_gzip_body_filter()
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|
864 ngx_log_error(NGX_LOG_ALERT, r->connection->log, 0, |
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*) split ngx_http_gzip_body_filter()
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|
865 "deflateEnd() failed: %d", rc); |
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*) split ngx_http_gzip_body_filter()
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|
866 return NGX_ERROR; |
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*) split ngx_http_gzip_body_filter()
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|
867 } |
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*) split ngx_http_gzip_body_filter()
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|
868 |
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changeset
|
869 ngx_pfree(r->pool, ctx->preallocated); |
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*) split ngx_http_gzip_body_filter()
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|
870 |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
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|
871 cl = ngx_alloc_chain_link(r->pool); |
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*) split ngx_http_gzip_body_filter()
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changeset
|
872 if (cl == NULL) { |
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*) split ngx_http_gzip_body_filter()
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|
873 return NGX_ERROR; |
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*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
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|
874 } |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
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|
875 |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
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changeset
|
876 cl->buf = ctx->out_buf; |
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*) split ngx_http_gzip_body_filter()
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changeset
|
877 cl->next = NULL; |
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*) split ngx_http_gzip_body_filter()
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|
878 *ctx->last_out = cl; |
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*) split ngx_http_gzip_body_filter()
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|
879 ctx->last_out = &cl->next; |
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*) split ngx_http_gzip_body_filter()
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|
880 |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
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changeset
|
881 if (ctx->zstream.avail_out >= 8) { |
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*) split ngx_http_gzip_body_filter()
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changeset
|
882 trailer = (struct gztrailer *) ctx->out_buf->last; |
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*) split ngx_http_gzip_body_filter()
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|
883 ctx->out_buf->last += 8; |
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*) split ngx_http_gzip_body_filter()
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|
884 ctx->out_buf->last_buf = 1; |
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*) split ngx_http_gzip_body_filter()
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|
885 |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
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|
886 } else { |
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*) split ngx_http_gzip_body_filter()
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changeset
|
887 b = ngx_create_temp_buf(r->pool, 8); |
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*) split ngx_http_gzip_body_filter()
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changeset
|
888 if (b == NULL) { |
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*) split ngx_http_gzip_body_filter()
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changeset
|
889 return NGX_ERROR; |
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*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
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diff
changeset
|
890 } |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
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diff
changeset
|
891 |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
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changeset
|
892 b->last_buf = 1; |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
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changeset
|
893 |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
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changeset
|
894 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
|
895 if (cl == NULL) { |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
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changeset
|
896 return NGX_ERROR; |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
897 } |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
898 |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
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changeset
|
899 cl->buf = b; |
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*) split ngx_http_gzip_body_filter()
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|
900 cl->next = NULL; |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
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|
901 *ctx->last_out = cl; |
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*) split ngx_http_gzip_body_filter()
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|
902 ctx->last_out = &cl->next; |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
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changeset
|
903 trailer = (struct gztrailer *) b->pos; |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
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parents:
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changeset
|
904 b->last += 8; |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
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diff
changeset
|
905 } |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
906 |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
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changeset
|
907 #if (NGX_HAVE_LITTLE_ENDIAN && NGX_HAVE_NONALIGNED) |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
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diff
changeset
|
908 |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
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parents:
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diff
changeset
|
909 trailer->crc32 = ctx->crc32; |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
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diff
changeset
|
910 trailer->zlen = ctx->zin; |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
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parents:
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diff
changeset
|
911 |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
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changeset
|
912 #else |
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*) split ngx_http_gzip_body_filter()
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changeset
|
913 |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
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changeset
|
914 trailer->crc32[0] = (u_char) (ctx->crc32 & 0xff); |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
915 trailer->crc32[1] = (u_char) ((ctx->crc32 >> 8) & 0xff); |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
916 trailer->crc32[2] = (u_char) ((ctx->crc32 >> 16) & 0xff); |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
917 trailer->crc32[3] = (u_char) ((ctx->crc32 >> 24) & 0xff); |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
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changeset
|
918 |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
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changeset
|
919 trailer->zlen[0] = (u_char) (ctx->zin & 0xff); |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
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parents:
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diff
changeset
|
920 trailer->zlen[1] = (u_char) ((ctx->zin >> 8) & 0xff); |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
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changeset
|
921 trailer->zlen[2] = (u_char) ((ctx->zin >> 16) & 0xff); |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
922 trailer->zlen[3] = (u_char) ((ctx->zin >> 24) & 0xff); |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
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changeset
|
923 |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
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changeset
|
924 #endif |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
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changeset
|
925 |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
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changeset
|
926 ctx->zstream.avail_in = 0; |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
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changeset
|
927 ctx->zstream.avail_out = 0; |
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*) split ngx_http_gzip_body_filter()
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changeset
|
928 |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
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changeset
|
929 ctx->done = 1; |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
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diff
changeset
|
930 |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
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changeset
|
931 r->connection->buffered &= ~NGX_HTTP_GZIP_BUFFERED; |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
932 |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
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parents:
2290
diff
changeset
|
933 return NGX_OK; |
133
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
934 } |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
935 |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
936 |
497 | 937 static void * |
938 ngx_http_gzip_filter_alloc(void *opaque, u_int items, u_int size) | |
156
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
939 { |
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
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parents:
155
diff
changeset
|
940 ngx_http_gzip_ctx_t *ctx = opaque; |
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
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parents:
155
diff
changeset
|
941 |
294
5cfd65b8b0a7
nginx-0.0.3-2004-03-23-09:01:52 import
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parents:
292
diff
changeset
|
942 void *p; |
5cfd65b8b0a7
nginx-0.0.3-2004-03-23-09:01:52 import
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parents:
292
diff
changeset
|
943 ngx_uint_t alloc; |
156
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
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parents:
155
diff
changeset
|
944 |
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
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parents:
155
diff
changeset
|
945 alloc = items * size; |
461 | 946 |
2425
3d60d55b9ad0
do not try to align to a page size, allocate just 8K,
Igor Sysoev <igor@sysoev.ru>
parents:
2412
diff
changeset
|
947 if (alloc % 512 != 0 && alloc < 8192) { |
156
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
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parents:
155
diff
changeset
|
948 |
346
55e496a8ece3
nginx-0.0.3-2004-06-06-23:49:18 import
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parents:
344
diff
changeset
|
949 /* |
461 | 950 * The zlib deflate_state allocation, it takes about 6K, |
951 * we allocate 8K. Other allocations are divisible by 512. | |
346
55e496a8ece3
nginx-0.0.3-2004-06-06-23:49:18 import
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parents:
344
diff
changeset
|
952 */ |
156
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
953 |
2425
3d60d55b9ad0
do not try to align to a page size, allocate just 8K,
Igor Sysoev <igor@sysoev.ru>
parents:
2412
diff
changeset
|
954 alloc = 8192; |
156
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
955 } |
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
956 |
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
957 if (alloc <= ctx->allocated) { |
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
958 p = ctx->free_mem; |
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
959 ctx->free_mem += alloc; |
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
960 ctx->allocated -= alloc; |
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
961 |
257
70e1c7d2b83d
nginx-0.0.2-2004-02-11-20:08:49 import
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parents:
243
diff
changeset
|
962 ngx_log_debug4(NGX_LOG_DEBUG_HTTP, ctx->request->connection->log, 0, |
461 | 963 "gzip alloc: n:%ud s:%ud a:%ud p:%p", |
257
70e1c7d2b83d
nginx-0.0.2-2004-02-11-20:08:49 import
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parents:
243
diff
changeset
|
964 items, size, alloc, p); |
156
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
965 |
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
966 return p; |
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
967 } |
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
968 |
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
969 ngx_log_error(NGX_LOG_ALERT, ctx->request->connection->log, 0, |
461 | 970 "gzip filter failed to use preallocated memory: %ud of %ud", |
156
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
971 items * size, ctx->allocated); |
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
972 |
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
973 p = ngx_palloc(ctx->request->pool, items * size); |
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
974 |
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
975 return p; |
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
976 } |
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
977 |
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
978 |
497 | 979 static void |
980 ngx_http_gzip_filter_free(void *opaque, void *address) | |
156
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
981 { |
282
30310107dbc9
nginx-0.0.2-2004-03-09-22:47:07 import
Igor Sysoev <igor@sysoev.ru>
parents:
265
diff
changeset
|
982 #if 0 |
156
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
983 ngx_http_gzip_ctx_t *ctx = opaque; |
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
984 |
257
70e1c7d2b83d
nginx-0.0.2-2004-02-11-20:08:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
243
diff
changeset
|
985 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, ctx->request->connection->log, 0, |
461 | 986 "gzip free: %p", address); |
156
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
987 #endif |
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
988 } |
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
989 |
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
990 |
2410
bbfaeb220e90
postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents:
2292
diff
changeset
|
991 static void |
bbfaeb220e90
postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents:
2292
diff
changeset
|
992 ngx_http_gzip_filter_free_copy_buf(ngx_http_request_t *r, |
bbfaeb220e90
postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents:
2292
diff
changeset
|
993 ngx_http_gzip_ctx_t *ctx) |
bbfaeb220e90
postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents:
2292
diff
changeset
|
994 { |
bbfaeb220e90
postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents:
2292
diff
changeset
|
995 ngx_chain_t *cl; |
bbfaeb220e90
postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents:
2292
diff
changeset
|
996 |
bbfaeb220e90
postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents:
2292
diff
changeset
|
997 for (cl = ctx->copied; cl; cl = cl->next) { |
bbfaeb220e90
postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents:
2292
diff
changeset
|
998 ngx_pfree(r->pool, cl->buf->start); |
bbfaeb220e90
postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents:
2292
diff
changeset
|
999 } |
bbfaeb220e90
postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents:
2292
diff
changeset
|
1000 |
bbfaeb220e90
postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents:
2292
diff
changeset
|
1001 ctx->copied = NULL; |
bbfaeb220e90
postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents:
2292
diff
changeset
|
1002 } |
bbfaeb220e90
postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents:
2292
diff
changeset
|
1003 |
bbfaeb220e90
postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents:
2292
diff
changeset
|
1004 |
497 | 1005 static ngx_int_t |
573 | 1006 ngx_http_gzip_add_variables(ngx_conf_t *cf) |
177
4db54fdbcbe7
nginx-0.0.1-2003-11-10-20:17:31 import
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parents:
166
diff
changeset
|
1007 { |
880 | 1008 ngx_http_variable_t *var; |
177
4db54fdbcbe7
nginx-0.0.1-2003-11-10-20:17:31 import
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parents:
166
diff
changeset
|
1009 |
583 | 1010 var = ngx_http_add_variable(cf, &ngx_http_gzip_ratio, NGX_HTTP_VAR_NOHASH); |
573 | 1011 if (var == NULL) { |
1012 return NGX_ERROR; | |
1013 } | |
1014 | |
637 | 1015 var->get_handler = ngx_http_gzip_ratio_variable; |
573 | 1016 |
177
4db54fdbcbe7
nginx-0.0.1-2003-11-10-20:17:31 import
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parents:
166
diff
changeset
|
1017 return NGX_OK; |
4db54fdbcbe7
nginx-0.0.1-2003-11-10-20:17:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
166
diff
changeset
|
1018 } |
4db54fdbcbe7
nginx-0.0.1-2003-11-10-20:17:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
166
diff
changeset
|
1019 |
4db54fdbcbe7
nginx-0.0.1-2003-11-10-20:17:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
166
diff
changeset
|
1020 |
497 | 1021 static ngx_int_t |
573 | 1022 ngx_http_gzip_ratio_variable(ngx_http_request_t *r, |
1023 ngx_http_variable_value_t *v, uintptr_t data) | |
1024 { | |
1025 ngx_uint_t zint, zfrac; | |
1026 ngx_http_gzip_ctx_t *ctx; | |
1027 | |
577 | 1028 v->valid = 1; |
1565 | 1029 v->no_cacheable = 0; |
573 | 1030 v->not_found = 0; |
1031 | |
1032 ctx = ngx_http_get_module_ctx(r, ngx_http_gzip_filter_module); | |
1033 | |
1034 if (ctx == NULL || ctx->zout == 0) { | |
1035 v->not_found = 1; | |
1036 return NGX_OK; | |
1037 } | |
1038 | |
2049 | 1039 v->data = ngx_pnalloc(r->pool, NGX_INT32_LEN + 3); |
573 | 1040 if (v->data == NULL) { |
1041 return NGX_ERROR; | |
1042 } | |
1043 | |
1044 zint = (ngx_uint_t) (ctx->zin / ctx->zout); | |
1045 zfrac = (ngx_uint_t) ((ctx->zin * 100 / ctx->zout) % 100); | |
1046 | |
1047 if ((ctx->zin * 1000 / ctx->zout) % 10 > 4) { | |
1048 | |
1049 /* the rounding, e.g., 2.125 to 2.13 */ | |
1050 | |
1051 zfrac++; | |
1052 | |
1053 if (zfrac > 99) { | |
1054 zint++; | |
1055 zfrac = 0; | |
1056 } | |
1057 } | |
1058 | |
1059 v->len = ngx_sprintf(v->data, "%ui.%02ui", zint, zfrac) - v->data; | |
1060 | |
1061 return NGX_OK; | |
1062 } | |
1063 | |
1064 | |
497 | 1065 static void * |
1066 ngx_http_gzip_create_conf(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
|
1067 { |
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
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parents:
133
diff
changeset
|
1068 ngx_http_gzip_conf_t *conf; |
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
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parents:
133
diff
changeset
|
1069 |
501 | 1070 conf = ngx_pcalloc(cf->pool, sizeof(ngx_http_gzip_conf_t)); |
1071 if (conf == NULL) { | |
430
1fa5daf7558e
nginx-0.0.11-2004-09-19-22:27:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
416
diff
changeset
|
1072 return NGX_CONF_ERROR; |
1fa5daf7558e
nginx-0.0.11-2004-09-19-22:27:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
416
diff
changeset
|
1073 } |
134
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
1074 |
430
1fa5daf7558e
nginx-0.0.11-2004-09-19-22:27:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
416
diff
changeset
|
1075 /* |
479 | 1076 * set by ngx_pcalloc(): |
1077 * | |
1078 * 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
|
1079 * conf->types = { NULL }; |
723df5089c05
use hash in gzip_types, ssi_types, and sub_filter_types
Igor Sysoev <igor@sysoev.ru>
parents:
2051
diff
changeset
|
1080 * 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
|
1081 */ |
320
d621239c30f7
nginx-0.0.3-2004-04-18-23:06:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
319
diff
changeset
|
1082 |
134
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
1083 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
|
1084 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
|
1085 |
2542
925b5df2e0c2
fix postponed zlib memory allocation, introduced in r2411
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1086 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
|
1087 conf->level = NGX_CONF_UNSET; |
2542
925b5df2e0c2
fix postponed zlib memory allocation, introduced in r2411
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1088 conf->wbits = NGX_CONF_UNSET_SIZE; |
925b5df2e0c2
fix postponed zlib memory allocation, introduced in r2411
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1089 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
|
1090 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
|
1091 |
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
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parents:
133
diff
changeset
|
1092 return conf; |
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
1093 } |
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
1094 |
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
1095 |
497 | 1096 static char * |
1097 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
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|
1098 { |
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
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1099 ngx_http_gzip_conf_t *prev = parent; |
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
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1100 ngx_http_gzip_conf_t *conf = child; |
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
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diff
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|
1101 |
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
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1102 ngx_conf_merge_value(conf->enable, prev->enable, 0); |
2542
925b5df2e0c2
fix postponed zlib memory allocation, introduced in r2411
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2536
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|
1103 ngx_conf_merge_value(conf->no_buffer, prev->no_buffer, 0); |
314
d71c87d11b16
nginx-0.0.3-2004-04-14-09:57:36 import
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parents:
294
diff
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1104 |
2412
086c20fe2e97
set default gzip_buffers to 32 4k or 16 8k
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parents:
2410
diff
changeset
|
1105 ngx_conf_merge_bufs_value(conf->bufs, prev->bufs, |
086c20fe2e97
set default gzip_buffers to 32 4k or 16 8k
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parents:
2410
diff
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|
1106 (128 * 1024) / ngx_pagesize, ngx_pagesize); |
314
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nginx-0.0.3-2004-04-14-09:57:36 import
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parents:
294
diff
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1107 |
2542
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fix postponed zlib memory allocation, introduced in r2411
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parents:
2536
diff
changeset
|
1108 ngx_conf_merge_size_value(conf->postpone_gzipping, prev->postpone_gzipping, |
925b5df2e0c2
fix postponed zlib memory allocation, introduced in r2411
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parents:
2536
diff
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|
1109 0); |
156
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
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parents:
155
diff
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1110 ngx_conf_merge_value(conf->level, prev->level, 1); |
319
7a8ebba985a9
nginx-0.0.3-2004-04-16-19:27:31 import
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parents:
315
diff
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1111 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
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|
1112 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
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|
1113 MAX_MEM_LEVEL - 1); |
577 | 1114 ngx_conf_merge_value(conf->min_length, prev->min_length, 20); |
134
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nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
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1115 |
2166
723df5089c05
use hash in gzip_types, ssi_types, and sub_filter_types
Igor Sysoev <igor@sysoev.ru>
parents:
2051
diff
changeset
|
1116 if (ngx_http_merge_types(cf, conf->types_keys, &conf->types, |
723df5089c05
use hash in gzip_types, ssi_types, and sub_filter_types
Igor Sysoev <igor@sysoev.ru>
parents:
2051
diff
changeset
|
1117 prev->types_keys, &prev->types, |
723df5089c05
use hash in gzip_types, ssi_types, and sub_filter_types
Igor Sysoev <igor@sysoev.ru>
parents:
2051
diff
changeset
|
1118 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
|
1119 != NGX_OK) |
723df5089c05
use hash in gzip_types, ssi_types, and sub_filter_types
Igor Sysoev <igor@sysoev.ru>
parents:
2051
diff
changeset
|
1120 { |
723df5089c05
use hash in gzip_types, ssi_types, and sub_filter_types
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parents:
2051
diff
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|
1121 return NGX_CONF_ERROR; |
452 | 1122 } |
1123 | |
1124 return NGX_CONF_OK; | |
1125 } | |
1126 | |
1127 | |
681 | 1128 static ngx_int_t |
1129 ngx_http_gzip_filter_init(ngx_conf_t *cf) | |
1130 { | |
1131 ngx_http_next_header_filter = ngx_http_top_header_filter; | |
1132 ngx_http_top_header_filter = ngx_http_gzip_header_filter; | |
1133 | |
1134 ngx_http_next_body_filter = ngx_http_top_body_filter; | |
1135 ngx_http_top_body_filter = ngx_http_gzip_body_filter; | |
1136 | |
1137 return NGX_OK; | |
1138 } | |
1139 | |
1140 | |
497 | 1141 static char * |
527 | 1142 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
|
1143 { |
2290 | 1144 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
|
1145 |
2290 | 1146 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
|
1147 |
430
1fa5daf7558e
nginx-0.0.11-2004-09-19-22:27:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
416
diff
changeset
|
1148 wbits = 15; |
156
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
1149 |
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
1150 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
|
1151 |
158
d377ee423603
nginx-0.0.1-2003-10-24-10:53:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
157
diff
changeset
|
1152 if (wsize == *np) { |
d377ee423603
nginx-0.0.1-2003-10-24-10:53:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
157
diff
changeset
|
1153 *np = wbits; |
430
1fa5daf7558e
nginx-0.0.11-2004-09-19-22:27:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
416
diff
changeset
|
1154 |
1fa5daf7558e
nginx-0.0.11-2004-09-19-22:27:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
416
diff
changeset
|
1155 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
|
1156 } |
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
1157 |
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
1158 wbits--; |
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
1159 } |
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
1160 |
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
1161 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
|
1162 } |
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
1163 |
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
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|
1164 |
497 | 1165 static char * |
527 | 1166 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
|
1167 { |
2290 | 1168 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
|
1169 |
2290 | 1170 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
|
1171 |
430
1fa5daf7558e
nginx-0.0.11-2004-09-19-22:27:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
416
diff
changeset
|
1172 memlevel = 9; |
156
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
1173 |
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
1174 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
|
1175 |
158
d377ee423603
nginx-0.0.1-2003-10-24-10:53:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
157
diff
changeset
|
1176 if (hsize == *np) { |
d377ee423603
nginx-0.0.1-2003-10-24-10:53:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
157
diff
changeset
|
1177 *np = memlevel; |
430
1fa5daf7558e
nginx-0.0.11-2004-09-19-22:27:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
416
diff
changeset
|
1178 |
1fa5daf7558e
nginx-0.0.11-2004-09-19-22:27:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
416
diff
changeset
|
1179 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
|
1180 } |
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
1181 |
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
1182 memlevel--; |
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 |
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
1185 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
|
1186 } |