Mercurial > hg > nginx-quic
annotate src/http/modules/ngx_http_gzip_filter_module.c @ 6355:c36482d0a79f stable-1.8
Resolver: fixed possible segmentation fault on DNS format error.
author | Roman Arutyunyan <arut@nginx.com> |
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date | Tue, 26 Jan 2016 16:46:18 +0300 |
parents | 973fded4f461 |
children | f01ab2dbcfdc |
rev | line source |
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441
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1 |
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2 /* |
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3 * Copyright (C) Igor Sysoev |
4412 | 4 * Copyright (C) Nginx, Inc. |
441
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5 */ |
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6 |
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7 |
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8 #include <ngx_config.h> |
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9 #include <ngx_core.h> |
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10 #include <ngx_http.h> |
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11 |
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12 #include <zlib.h> |
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13 |
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14 |
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15 typedef struct { |
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16 ngx_flag_t enable; |
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17 ngx_flag_t no_buffer; |
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18 |
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19 ngx_hash_t types; |
452 | 20 |
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21 ngx_bufs_t bufs; |
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22 |
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23 size_t postpone_gzipping; |
589 | 24 ngx_int_t level; |
319
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25 size_t wbits; |
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26 size_t memlevel; |
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27 ssize_t min_length; |
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28 |
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29 ngx_array_t *types_keys; |
133
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30 } ngx_http_gzip_conf_t; |
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31 |
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32 |
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33 typedef struct { |
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34 ngx_chain_t *in; |
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35 ngx_chain_t *free; |
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36 ngx_chain_t *busy; |
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37 ngx_chain_t *out; |
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38 ngx_chain_t **last_out; |
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39 |
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40 ngx_chain_t *copied; |
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41 ngx_chain_t *copy_buf; |
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42 |
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43 ngx_buf_t *in_buf; |
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44 ngx_buf_t *out_buf; |
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45 ngx_int_t bufs; |
156
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46 |
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47 void *preallocated; |
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48 char *free_mem; |
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49 ngx_uint_t allocated; |
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50 |
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51 int wbits; |
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52 int memlevel; |
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53 |
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54 unsigned flush:4; |
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55 unsigned redo:1; |
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56 unsigned done:1; |
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57 unsigned nomem:1; |
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58 unsigned gzheader:1; |
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59 unsigned buffering:1; |
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60 |
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61 size_t zin; |
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62 size_t zout; |
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63 |
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64 uint32_t crc32; |
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65 z_stream zstream; |
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66 ngx_http_request_t *request; |
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67 } ngx_http_gzip_ctx_t; |
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68 |
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69 |
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70 #if (NGX_HAVE_LITTLE_ENDIAN && NGX_HAVE_NONALIGNED) |
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71 |
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72 struct gztrailer { |
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73 uint32_t crc32; |
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74 uint32_t zlen; |
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75 }; |
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76 |
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77 #else /* NGX_HAVE_BIG_ENDIAN || !NGX_HAVE_NONALIGNED */ |
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78 |
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79 struct gztrailer { |
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80 u_char crc32[4]; |
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81 u_char zlen[4]; |
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82 }; |
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83 |
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84 #endif |
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85 |
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86 |
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87 static void ngx_http_gzip_filter_memory(ngx_http_request_t *r, |
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88 ngx_http_gzip_ctx_t *ctx); |
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89 static ngx_int_t ngx_http_gzip_filter_buffer(ngx_http_gzip_ctx_t *ctx, |
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90 ngx_chain_t *in); |
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91 static ngx_int_t ngx_http_gzip_filter_deflate_start(ngx_http_request_t *r, |
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92 ngx_http_gzip_ctx_t *ctx); |
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93 static ngx_int_t ngx_http_gzip_filter_gzheader(ngx_http_request_t *r, |
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94 ngx_http_gzip_ctx_t *ctx); |
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95 static ngx_int_t ngx_http_gzip_filter_add_data(ngx_http_request_t *r, |
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96 ngx_http_gzip_ctx_t *ctx); |
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97 static ngx_int_t ngx_http_gzip_filter_get_buf(ngx_http_request_t *r, |
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98 ngx_http_gzip_ctx_t *ctx); |
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99 static ngx_int_t ngx_http_gzip_filter_deflate(ngx_http_request_t *r, |
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100 ngx_http_gzip_ctx_t *ctx); |
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101 static ngx_int_t ngx_http_gzip_filter_deflate_end(ngx_http_request_t *r, |
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102 ngx_http_gzip_ctx_t *ctx); |
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103 |
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104 static void *ngx_http_gzip_filter_alloc(void *opaque, u_int items, |
497 | 105 u_int size); |
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106 static void ngx_http_gzip_filter_free(void *opaque, void *address); |
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107 static void ngx_http_gzip_filter_free_copy_buf(ngx_http_request_t *r, |
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108 ngx_http_gzip_ctx_t *ctx); |
177
4db54fdbcbe7
nginx-0.0.1-2003-11-10-20:17:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
166
diff
changeset
|
109 |
573 | 110 static ngx_int_t ngx_http_gzip_add_variables(ngx_conf_t *cf); |
111 static ngx_int_t ngx_http_gzip_ratio_variable(ngx_http_request_t *r, | |
112 ngx_http_variable_value_t *v, uintptr_t data); | |
479 | 113 |
681 | 114 static ngx_int_t ngx_http_gzip_filter_init(ngx_conf_t *cf); |
134
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
115 static void *ngx_http_gzip_create_conf(ngx_conf_t *cf); |
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
116 static char *ngx_http_gzip_merge_conf(ngx_conf_t *cf, |
497 | 117 void *parent, void *child); |
527 | 118 static char *ngx_http_gzip_window(ngx_conf_t *cf, void *post, void *data); |
119 static char *ngx_http_gzip_hash(ngx_conf_t *cf, void *post, void *data); | |
158
d377ee423603
nginx-0.0.1-2003-10-24-10:53:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
157
diff
changeset
|
120 |
156
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
121 |
158
d377ee423603
nginx-0.0.1-2003-10-24-10:53:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
157
diff
changeset
|
122 static ngx_conf_num_bounds_t ngx_http_gzip_comp_level_bounds = { |
d377ee423603
nginx-0.0.1-2003-10-24-10:53:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
157
diff
changeset
|
123 ngx_conf_check_num_bounds, 1, 9 |
d377ee423603
nginx-0.0.1-2003-10-24-10:53:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
157
diff
changeset
|
124 }; |
d377ee423603
nginx-0.0.1-2003-10-24-10:53:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
157
diff
changeset
|
125 |
527 | 126 static ngx_conf_post_handler_pt ngx_http_gzip_window_p = ngx_http_gzip_window; |
127 static ngx_conf_post_handler_pt ngx_http_gzip_hash_p = ngx_http_gzip_hash; | |
158
d377ee423603
nginx-0.0.1-2003-10-24-10:53:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
157
diff
changeset
|
128 |
134
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
129 |
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
130 static ngx_command_t ngx_http_gzip_filter_commands[] = { |
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
131 |
239
574bea0142be
nginx-0.0.1-2004-01-26-11:52:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
177
diff
changeset
|
132 { ngx_string("gzip"), |
485 | 133 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_HTTP_LIF_CONF |
134 |NGX_CONF_FLAG, | |
239
574bea0142be
nginx-0.0.1-2004-01-26-11:52:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
177
diff
changeset
|
135 ngx_conf_set_flag_slot, |
574bea0142be
nginx-0.0.1-2004-01-26-11:52:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
177
diff
changeset
|
136 NGX_HTTP_LOC_CONF_OFFSET, |
574bea0142be
nginx-0.0.1-2004-01-26-11:52:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
177
diff
changeset
|
137 offsetof(ngx_http_gzip_conf_t, enable), |
412
199cd29f35a3
nginx-0.0.10-2004-08-31-19:32:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
370
diff
changeset
|
138 NULL }, |
134
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
139 |
239
574bea0142be
nginx-0.0.1-2004-01-26-11:52:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
177
diff
changeset
|
140 { ngx_string("gzip_buffers"), |
574bea0142be
nginx-0.0.1-2004-01-26-11:52:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
177
diff
changeset
|
141 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE2, |
574bea0142be
nginx-0.0.1-2004-01-26-11:52:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
177
diff
changeset
|
142 ngx_conf_set_bufs_slot, |
574bea0142be
nginx-0.0.1-2004-01-26-11:52:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
177
diff
changeset
|
143 NGX_HTTP_LOC_CONF_OFFSET, |
574bea0142be
nginx-0.0.1-2004-01-26-11:52:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
177
diff
changeset
|
144 offsetof(ngx_http_gzip_conf_t, bufs), |
412
199cd29f35a3
nginx-0.0.10-2004-08-31-19:32:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
370
diff
changeset
|
145 NULL }, |
134
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
146 |
452 | 147 { ngx_string("gzip_types"), |
148 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE, | |
2166
723df5089c05
use hash in gzip_types, ssi_types, and sub_filter_types
Igor Sysoev <igor@sysoev.ru>
parents:
2051
diff
changeset
|
149 ngx_http_types_slot, |
452 | 150 NGX_HTTP_LOC_CONF_OFFSET, |
2166
723df5089c05
use hash in gzip_types, ssi_types, and sub_filter_types
Igor Sysoev <igor@sysoev.ru>
parents:
2051
diff
changeset
|
151 offsetof(ngx_http_gzip_conf_t, types_keys), |
723df5089c05
use hash in gzip_types, ssi_types, and sub_filter_types
Igor Sysoev <igor@sysoev.ru>
parents:
2051
diff
changeset
|
152 &ngx_http_html_default_types[0] }, |
452 | 153 |
239
574bea0142be
nginx-0.0.1-2004-01-26-11:52:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
177
diff
changeset
|
154 { ngx_string("gzip_comp_level"), |
574bea0142be
nginx-0.0.1-2004-01-26-11:52:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
177
diff
changeset
|
155 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, |
574bea0142be
nginx-0.0.1-2004-01-26-11:52:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
177
diff
changeset
|
156 ngx_conf_set_num_slot, |
574bea0142be
nginx-0.0.1-2004-01-26-11:52:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
177
diff
changeset
|
157 NGX_HTTP_LOC_CONF_OFFSET, |
574bea0142be
nginx-0.0.1-2004-01-26-11:52:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
177
diff
changeset
|
158 offsetof(ngx_http_gzip_conf_t, level), |
412
199cd29f35a3
nginx-0.0.10-2004-08-31-19:32:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
370
diff
changeset
|
159 &ngx_http_gzip_comp_level_bounds }, |
156
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
160 |
239
574bea0142be
nginx-0.0.1-2004-01-26-11:52:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
177
diff
changeset
|
161 { ngx_string("gzip_window"), |
574bea0142be
nginx-0.0.1-2004-01-26-11:52:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
177
diff
changeset
|
162 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, |
574bea0142be
nginx-0.0.1-2004-01-26-11:52:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
177
diff
changeset
|
163 ngx_conf_set_size_slot, |
574bea0142be
nginx-0.0.1-2004-01-26-11:52:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
177
diff
changeset
|
164 NGX_HTTP_LOC_CONF_OFFSET, |
574bea0142be
nginx-0.0.1-2004-01-26-11:52:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
177
diff
changeset
|
165 offsetof(ngx_http_gzip_conf_t, wbits), |
527 | 166 &ngx_http_gzip_window_p }, |
156
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
167 |
239
574bea0142be
nginx-0.0.1-2004-01-26-11:52:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
177
diff
changeset
|
168 { ngx_string("gzip_hash"), |
574bea0142be
nginx-0.0.1-2004-01-26-11:52:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
177
diff
changeset
|
169 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, |
574bea0142be
nginx-0.0.1-2004-01-26-11:52:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
177
diff
changeset
|
170 ngx_conf_set_size_slot, |
574bea0142be
nginx-0.0.1-2004-01-26-11:52:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
177
diff
changeset
|
171 NGX_HTTP_LOC_CONF_OFFSET, |
574bea0142be
nginx-0.0.1-2004-01-26-11:52:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
177
diff
changeset
|
172 offsetof(ngx_http_gzip_conf_t, memlevel), |
527 | 173 &ngx_http_gzip_hash_p }, |
156
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
174 |
2542
925b5df2e0c2
fix postponed zlib memory allocation, introduced in r2411
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
175 { ngx_string("postpone_gzipping"), |
925b5df2e0c2
fix postponed zlib memory allocation, introduced in r2411
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
176 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, |
925b5df2e0c2
fix postponed zlib memory allocation, introduced in r2411
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
177 ngx_conf_set_size_slot, |
925b5df2e0c2
fix postponed zlib memory allocation, introduced in r2411
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
178 NGX_HTTP_LOC_CONF_OFFSET, |
925b5df2e0c2
fix postponed zlib memory allocation, introduced in r2411
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
179 offsetof(ngx_http_gzip_conf_t, postpone_gzipping), |
925b5df2e0c2
fix postponed zlib memory allocation, introduced in r2411
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
180 NULL }, |
925b5df2e0c2
fix postponed zlib memory allocation, introduced in r2411
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
181 |
239
574bea0142be
nginx-0.0.1-2004-01-26-11:52:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
177
diff
changeset
|
182 { ngx_string("gzip_no_buffer"), |
574bea0142be
nginx-0.0.1-2004-01-26-11:52:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
177
diff
changeset
|
183 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG, |
574bea0142be
nginx-0.0.1-2004-01-26-11:52:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
177
diff
changeset
|
184 ngx_conf_set_flag_slot, |
574bea0142be
nginx-0.0.1-2004-01-26-11:52:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
177
diff
changeset
|
185 NGX_HTTP_LOC_CONF_OFFSET, |
574bea0142be
nginx-0.0.1-2004-01-26-11:52:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
177
diff
changeset
|
186 offsetof(ngx_http_gzip_conf_t, no_buffer), |
412
199cd29f35a3
nginx-0.0.10-2004-08-31-19:32:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
370
diff
changeset
|
187 NULL }, |
134
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
188 |
320
d621239c30f7
nginx-0.0.3-2004-04-18-23:06:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
319
diff
changeset
|
189 { ngx_string("gzip_min_length"), |
d621239c30f7
nginx-0.0.3-2004-04-18-23:06:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
319
diff
changeset
|
190 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, |
d621239c30f7
nginx-0.0.3-2004-04-18-23:06:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
319
diff
changeset
|
191 ngx_conf_set_size_slot, |
d621239c30f7
nginx-0.0.3-2004-04-18-23:06:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
319
diff
changeset
|
192 NGX_HTTP_LOC_CONF_OFFSET, |
d621239c30f7
nginx-0.0.3-2004-04-18-23:06:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
319
diff
changeset
|
193 offsetof(ngx_http_gzip_conf_t, min_length), |
412
199cd29f35a3
nginx-0.0.10-2004-08-31-19:32:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
370
diff
changeset
|
194 NULL }, |
314
d71c87d11b16
nginx-0.0.3-2004-04-14-09:57:36 import
Igor Sysoev <igor@sysoev.ru>
parents:
294
diff
changeset
|
195 |
239
574bea0142be
nginx-0.0.1-2004-01-26-11:52:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
177
diff
changeset
|
196 ngx_null_command |
134
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
197 }; |
133
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
198 |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
199 |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
200 static ngx_http_module_t ngx_http_gzip_filter_module_ctx = { |
573 | 201 ngx_http_gzip_add_variables, /* preconfiguration */ |
681 | 202 ngx_http_gzip_filter_init, /* postconfiguration */ |
177
4db54fdbcbe7
nginx-0.0.1-2003-11-10-20:17:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
166
diff
changeset
|
203 |
133
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
204 NULL, /* create main configuration */ |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
205 NULL, /* init main configuration */ |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
206 |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
207 NULL, /* create server configuration */ |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
208 NULL, /* merge server configuration */ |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
209 |
134
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
210 ngx_http_gzip_create_conf, /* create location configuration */ |
489 | 211 ngx_http_gzip_merge_conf /* merge location configuration */ |
133
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
212 }; |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
213 |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
214 |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
215 ngx_module_t ngx_http_gzip_filter_module = { |
509 | 216 NGX_MODULE_V1, |
133
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
217 &ngx_http_gzip_filter_module_ctx, /* module context */ |
134
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
218 ngx_http_gzip_filter_commands, /* module directives */ |
133
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
219 NGX_HTTP_MODULE, /* module type */ |
541 | 220 NULL, /* init master */ |
681 | 221 NULL, /* init module */ |
541 | 222 NULL, /* init process */ |
223 NULL, /* init thread */ | |
224 NULL, /* exit thread */ | |
225 NULL, /* exit process */ | |
226 NULL, /* exit master */ | |
227 NGX_MODULE_V1_PADDING | |
133
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
228 }; |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
229 |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
230 |
573 | 231 static ngx_str_t ngx_http_gzip_ratio = ngx_string("gzip_ratio"); |
509 | 232 |
155
46eb23d9471d
nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents:
154
diff
changeset
|
233 static ngx_http_output_header_filter_pt ngx_http_next_header_filter; |
46eb23d9471d
nginx-0.0.1-2003-10-22-20:38:26 import
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parents:
154
diff
changeset
|
234 static ngx_http_output_body_filter_pt ngx_http_next_body_filter; |
133
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
235 |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
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parents:
diff
changeset
|
236 |
497 | 237 static ngx_int_t |
238 ngx_http_gzip_header_filter(ngx_http_request_t *r) | |
133
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
239 { |
2051
115e6f029fcc
"gzip_vary on" always sends "Vary: Accept-Encoding" header
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parents:
2049
diff
changeset
|
240 ngx_table_elt_t *h; |
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"gzip_vary on" always sends "Vary: Accept-Encoding" header
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diff
changeset
|
241 ngx_http_gzip_ctx_t *ctx; |
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"gzip_vary on" always sends "Vary: Accept-Encoding" header
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diff
changeset
|
242 ngx_http_gzip_conf_t *conf; |
134
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
243 |
135
e29909bd9b8a
nginx-0.0.1-2003-09-28-23:29:06 import
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parents:
134
diff
changeset
|
244 conf = ngx_http_get_module_loc_conf(r, ngx_http_gzip_filter_module); |
e29909bd9b8a
nginx-0.0.1-2003-09-28-23:29:06 import
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parents:
134
diff
changeset
|
245 |
e29909bd9b8a
nginx-0.0.1-2003-09-28-23:29:06 import
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parents:
134
diff
changeset
|
246 if (!conf->enable |
452 | 247 || (r->headers_out.status != NGX_HTTP_OK |
248 && r->headers_out.status != NGX_HTTP_FORBIDDEN | |
249 && r->headers_out.status != NGX_HTTP_NOT_FOUND) | |
135
e29909bd9b8a
nginx-0.0.1-2003-09-28-23:29:06 import
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parents:
134
diff
changeset
|
250 || (r->headers_out.content_encoding |
e29909bd9b8a
nginx-0.0.1-2003-09-28-23:29:06 import
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parents:
134
diff
changeset
|
251 && r->headers_out.content_encoding->value.len) |
320
d621239c30f7
nginx-0.0.3-2004-04-18-23:06:02 import
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parents:
319
diff
changeset
|
252 || (r->headers_out.content_length_n != -1 |
d621239c30f7
nginx-0.0.3-2004-04-18-23:06:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
319
diff
changeset
|
253 && r->headers_out.content_length_n < conf->min_length) |
3379
0c517d0cabe0
backout r3315 and test r->header_only last, since it's not actually
Igor Sysoev <igor@sysoev.ru>
parents:
3372
diff
changeset
|
254 || ngx_http_test_content_type(r, &conf->types) == NULL |
0c517d0cabe0
backout r3315 and test r->header_only last, since it's not actually
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parents:
3372
diff
changeset
|
255 || r->header_only) |
134
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
256 { |
155
46eb23d9471d
nginx-0.0.1-2003-10-22-20:38:26 import
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parents:
154
diff
changeset
|
257 return ngx_http_next_header_filter(r); |
134
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
258 } |
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
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parents:
133
diff
changeset
|
259 |
3313 | 260 r->gzip_vary = 1; |
261 | |
3773 | 262 #if (NGX_HTTP_DEGRADATION) |
263 { | |
264 ngx_http_core_loc_conf_t *clcf; | |
265 | |
266 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); | |
267 | |
268 if (clcf->gzip_disable_degradation && ngx_http_degraded(r)) { | |
269 return ngx_http_next_header_filter(r); | |
270 } | |
271 } | |
272 #endif | |
273 | |
3313 | 274 if (!r->gzip_tested) { |
275 if (ngx_http_gzip_ok(r) != NGX_OK) { | |
276 return ngx_http_next_header_filter(r); | |
277 } | |
278 | |
279 } else if (!r->gzip_ok) { | |
280 return ngx_http_next_header_filter(r); | |
281 } | |
282 | |
501 | 283 ctx = ngx_pcalloc(r->pool, sizeof(ngx_http_gzip_ctx_t)); |
284 if (ctx == NULL) { | |
285 return NGX_ERROR; | |
286 } | |
314
d71c87d11b16
nginx-0.0.3-2004-04-14-09:57:36 import
Igor Sysoev <igor@sysoev.ru>
parents:
294
diff
changeset
|
287 |
501 | 288 ngx_http_set_ctx(r, ctx, ngx_http_gzip_filter_module); |
289 | |
156
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
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parents:
155
diff
changeset
|
290 ctx->request = r; |
2542
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fix postponed zlib memory allocation, introduced in r2411
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diff
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|
291 ctx->buffering = (conf->postpone_gzipping != 0); |
2410
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postpone zlib memory allocation
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diff
changeset
|
292 |
bbfaeb220e90
postpone zlib memory allocation
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diff
changeset
|
293 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
|
294 |
1790
775edc46ee66
ngx_http_gzip_static_module and gzip_disable
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parents:
1626
diff
changeset
|
295 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
|
296 if (h == NULL) { |
164
84036764e215
nginx-0.0.1-2003-10-29-11:30:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
160
diff
changeset
|
297 return NGX_ERROR; |
84036764e215
nginx-0.0.1-2003-10-29-11:30:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
160
diff
changeset
|
298 } |
135
e29909bd9b8a
nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
134
diff
changeset
|
299 |
1790
775edc46ee66
ngx_http_gzip_static_module and gzip_disable
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parents:
1626
diff
changeset
|
300 h->hash = 1; |
3516
dd1570b6f237
ngx_str_set() and ngx_str_null()
Igor Sysoev <igor@sysoev.ru>
parents:
3379
diff
changeset
|
301 ngx_str_set(&h->key, "Content-Encoding"); |
dd1570b6f237
ngx_str_set() and ngx_str_null()
Igor Sysoev <igor@sysoev.ru>
parents:
3379
diff
changeset
|
302 ngx_str_set(&h->value, "gzip"); |
1790
775edc46ee66
ngx_http_gzip_static_module and gzip_disable
Igor Sysoev <igor@sysoev.ru>
parents:
1626
diff
changeset
|
303 r->headers_out.content_encoding = h; |
775edc46ee66
ngx_http_gzip_static_module and gzip_disable
Igor Sysoev <igor@sysoev.ru>
parents:
1626
diff
changeset
|
304 |
513 | 305 r->main_filter_need_in_memory = 1; |
133
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
306 |
577 | 307 ngx_http_clear_content_length(r); |
308 ngx_http_clear_accept_ranges(r); | |
5733
e491b26fa5a1
Entity tags: downgrade strong etags to weak ones as needed.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5432
diff
changeset
|
309 ngx_http_weak_etag(r); |
577 | 310 |
155
46eb23d9471d
nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents:
154
diff
changeset
|
311 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
|
312 } |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
313 |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
314 |
497 | 315 static ngx_int_t |
316 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
|
317 { |
2291
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
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parents:
2290
diff
changeset
|
318 int rc; |
5876
973fded4f461
Gzip, gunzip: flush busy buffers if any.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5733
diff
changeset
|
319 ngx_uint_t flush; |
2291
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
320 ngx_chain_t *cl; |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
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parents:
2290
diff
changeset
|
321 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
|
322 |
243
bf2faf694c19
nginx-0.0.1-2004-01-28-23:38:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
239
diff
changeset
|
323 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
|
324 |
4990
e2794322ec76
Fixed HEAD requests handling when proxying is used (closes #261).
Valentin Bartenev <vbart@nginx.com>
parents:
4965
diff
changeset
|
325 if (ctx == NULL || ctx->done || r->header_only) { |
177
4db54fdbcbe7
nginx-0.0.1-2003-11-10-20:17:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
166
diff
changeset
|
326 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
|
327 } |
4db54fdbcbe7
nginx-0.0.1-2003-11-10-20:17:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
166
diff
changeset
|
328 |
2410
bbfaeb220e90
postpone zlib memory allocation
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parents:
2292
diff
changeset
|
329 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
bbfaeb220e90
postpone zlib memory allocation
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parents:
2292
diff
changeset
|
330 "http gzip filter"); |
bbfaeb220e90
postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents:
2292
diff
changeset
|
331 |
bbfaeb220e90
postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents:
2292
diff
changeset
|
332 if (ctx->buffering) { |
bbfaeb220e90
postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents:
2292
diff
changeset
|
333 |
2542
925b5df2e0c2
fix postponed zlib memory allocation, introduced in r2411
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
334 /* |
925b5df2e0c2
fix postponed zlib memory allocation, introduced in r2411
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
335 * 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
|
336 * 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
|
337 * 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
|
338 * 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
|
339 * 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
|
340 * 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
|
341 */ |
925b5df2e0c2
fix postponed zlib memory allocation, introduced in r2411
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
342 |
2410
bbfaeb220e90
postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents:
2292
diff
changeset
|
343 if (in) { |
2542
925b5df2e0c2
fix postponed zlib memory allocation, introduced in r2411
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
344 switch (ngx_http_gzip_filter_buffer(ctx, in)) { |
2410
bbfaeb220e90
postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents:
2292
diff
changeset
|
345 |
2468 | 346 case NGX_OK: |
347 return NGX_OK; | |
2410
bbfaeb220e90
postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents:
2292
diff
changeset
|
348 |
2468 | 349 case NGX_DONE: |
350 in = NULL; | |
351 break; | |
2410
bbfaeb220e90
postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents:
2292
diff
changeset
|
352 |
2468 | 353 default: /* NGX_ERROR */ |
354 goto failed; | |
355 } | |
2410
bbfaeb220e90
postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents:
2292
diff
changeset
|
356 |
bbfaeb220e90
postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents:
2292
diff
changeset
|
357 } else { |
bbfaeb220e90
postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents:
2292
diff
changeset
|
358 ctx->buffering = 0; |
bbfaeb220e90
postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents:
2292
diff
changeset
|
359 } |
bbfaeb220e90
postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents:
2292
diff
changeset
|
360 } |
bbfaeb220e90
postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents:
2292
diff
changeset
|
361 |
156
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
362 if (ctx->preallocated == NULL) { |
2291
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
363 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
|
364 goto failed; |
430
1fa5daf7558e
nginx-0.0.11-2004-09-19-22:27:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
416
diff
changeset
|
365 } |
133
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
366 } |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
367 |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
368 if (in) { |
2536
a6d6d762c554
small optimization: " == NGX_ERROR" > " != NGX_OK"
Igor Sysoev <igor@sysoev.ru>
parents:
2468
diff
changeset
|
369 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
|
370 goto failed; |
134
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
371 } |
5291
84155a389bcc
Gzip: clearing of c->buffered if all data are flushed.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5107
diff
changeset
|
372 |
84155a389bcc
Gzip: clearing of c->buffered if all data are flushed.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5107
diff
changeset
|
373 r->connection->buffered |= NGX_HTTP_GZIP_BUFFERED; |
133
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
374 } |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
375 |
5876
973fded4f461
Gzip, gunzip: flush busy buffers if any.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5733
diff
changeset
|
376 if (ctx->nomem) { |
2291
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
377 |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
378 /* flush busy buffers */ |
2287
baa61933d5ed
use nomem flag to flush busy bufs,
Igor Sysoev <igor@sysoev.ru>
parents:
2166
diff
changeset
|
379 |
baa61933d5ed
use nomem flag to flush busy bufs,
Igor Sysoev <igor@sysoev.ru>
parents:
2166
diff
changeset
|
380 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
|
381 goto failed; |
2287
baa61933d5ed
use nomem flag to flush busy bufs,
Igor Sysoev <igor@sysoev.ru>
parents:
2166
diff
changeset
|
382 } |
baa61933d5ed
use nomem flag to flush busy bufs,
Igor Sysoev <igor@sysoev.ru>
parents:
2166
diff
changeset
|
383 |
baa61933d5ed
use nomem flag to flush busy bufs,
Igor Sysoev <igor@sysoev.ru>
parents:
2166
diff
changeset
|
384 cl = NULL; |
baa61933d5ed
use nomem flag to flush busy bufs,
Igor Sysoev <igor@sysoev.ru>
parents:
2166
diff
changeset
|
385 |
4114
5db098f97e0e
API change: ngx_chain_update_chains() now requires pool.
Maxim Dounin <mdounin@mdounin.ru>
parents:
3773
diff
changeset
|
386 ngx_chain_update_chains(r->pool, &ctx->free, &ctx->busy, &cl, |
2287
baa61933d5ed
use nomem flag to flush busy bufs,
Igor Sysoev <igor@sysoev.ru>
parents:
2166
diff
changeset
|
387 (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
|
388 ctx->nomem = 0; |
5876
973fded4f461
Gzip, gunzip: flush busy buffers if any.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5733
diff
changeset
|
389 flush = 0; |
973fded4f461
Gzip, gunzip: flush busy buffers if any.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5733
diff
changeset
|
390 |
973fded4f461
Gzip, gunzip: flush busy buffers if any.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5733
diff
changeset
|
391 } else { |
973fded4f461
Gzip, gunzip: flush busy buffers if any.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5733
diff
changeset
|
392 flush = ctx->busy ? 1 : 0; |
2287
baa61933d5ed
use nomem flag to flush busy bufs,
Igor Sysoev <igor@sysoev.ru>
parents:
2166
diff
changeset
|
393 } |
141
656d468f4ead
nginx-0.0.1-2003-10-08-19:32:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
136
diff
changeset
|
394 |
135
e29909bd9b8a
nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
134
diff
changeset
|
395 for ( ;; ) { |
e29909bd9b8a
nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
134
diff
changeset
|
396 |
2291
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
397 /* cycle while we can write to a client */ |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
398 |
133
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
399 for ( ;; ) { |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
400 |
2291
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
401 /* 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
|
402 |
2291
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
403 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
|
404 |
2291
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
405 if (rc == NGX_DECLINED) { |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
406 break; |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
407 } |
133
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
408 |
2291
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
409 if (rc == NGX_AGAIN) { |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
410 continue; |
133
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
411 } |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
412 |
430
1fa5daf7558e
nginx-0.0.11-2004-09-19-22:27:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
416
diff
changeset
|
413 |
2291
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
414 /* ... 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
|
415 |
2291
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
416 rc = ngx_http_gzip_filter_get_buf(r, ctx); |
501 | 417 |
2291
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
418 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
|
419 break; |
ba876b26b76d
nginx-0.0.3-2004-04-21-22:54:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
322
diff
changeset
|
420 } |
ba876b26b76d
nginx-0.0.3-2004-04-21-22:54:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
322
diff
changeset
|
421 |
2291
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
422 if (rc == NGX_ERROR) { |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
423 goto failed; |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
424 } |
134
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
425 |
479 | 426 |
2291
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
427 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
|
428 |
2291
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
429 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
|
430 break; |
ba876b26b76d
nginx-0.0.3-2004-04-21-22:54:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
322
diff
changeset
|
431 } |
133
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
432 |
2291
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
433 if (rc == NGX_ERROR) { |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
434 goto failed; |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
435 } |
501 | 436 |
2291
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
437 /* rc == NGX_AGAIN */ |
133
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
438 } |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
439 |
5876
973fded4f461
Gzip, gunzip: flush busy buffers if any.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5733
diff
changeset
|
440 if (ctx->out == NULL && !flush) { |
2410
bbfaeb220e90
postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents:
2292
diff
changeset
|
441 ngx_http_gzip_filter_free_copy_buf(r, ctx); |
bbfaeb220e90
postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents:
2292
diff
changeset
|
442 |
2292 | 443 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
|
444 } |
1fa5daf7558e
nginx-0.0.11-2004-09-19-22:27:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
416
diff
changeset
|
445 |
2291
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
446 if (!ctx->gzheader) { |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
447 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
|
448 goto failed; |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
449 } |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
450 } |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
451 |
2287
baa61933d5ed
use nomem flag to flush busy bufs,
Igor Sysoev <igor@sysoev.ru>
parents:
2166
diff
changeset
|
452 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
|
453 |
2287
baa61933d5ed
use nomem flag to flush busy bufs,
Igor Sysoev <igor@sysoev.ru>
parents:
2166
diff
changeset
|
454 if (rc == NGX_ERROR) { |
2291
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
455 goto failed; |
133
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
456 } |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
457 |
2410
bbfaeb220e90
postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents:
2292
diff
changeset
|
458 ngx_http_gzip_filter_free_copy_buf(r, ctx); |
bbfaeb220e90
postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents:
2292
diff
changeset
|
459 |
4114
5db098f97e0e
API change: ngx_chain_update_chains() now requires pool.
Maxim Dounin <mdounin@mdounin.ru>
parents:
3773
diff
changeset
|
460 ngx_chain_update_chains(r->pool, &ctx->free, &ctx->busy, &ctx->out, |
501 | 461 (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
|
462 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
|
463 |
2287
baa61933d5ed
use nomem flag to flush busy bufs,
Igor Sysoev <igor@sysoev.ru>
parents:
2166
diff
changeset
|
464 ctx->nomem = 0; |
5876
973fded4f461
Gzip, gunzip: flush busy buffers if any.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5733
diff
changeset
|
465 flush = 0; |
2287
baa61933d5ed
use nomem flag to flush busy bufs,
Igor Sysoev <igor@sysoev.ru>
parents:
2166
diff
changeset
|
466 |
327
e0f3f238db09
nginx-0.0.3-2004-04-26-17:40:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
326
diff
changeset
|
467 if (ctx->done) { |
2287
baa61933d5ed
use nomem flag to flush busy bufs,
Igor Sysoev <igor@sysoev.ru>
parents:
2166
diff
changeset
|
468 return rc; |
327
e0f3f238db09
nginx-0.0.3-2004-04-26-17:40:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
326
diff
changeset
|
469 } |
133
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
470 } |
2291
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
471 |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
472 /* unreachable */ |
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 failed: |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
475 |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
476 ctx->done = 1; |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
477 |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
478 if (ctx->preallocated) { |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
479 deflateEnd(&ctx->zstream); |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
480 |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
481 ngx_pfree(r->pool, ctx->preallocated); |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
482 } |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
483 |
2410
bbfaeb220e90
postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents:
2292
diff
changeset
|
484 ngx_http_gzip_filter_free_copy_buf(r, ctx); |
bbfaeb220e90
postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents:
2292
diff
changeset
|
485 |
2291
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
486 return NGX_ERROR; |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
487 } |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
488 |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
489 |
2410
bbfaeb220e90
postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents:
2292
diff
changeset
|
490 static void |
bbfaeb220e90
postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents:
2292
diff
changeset
|
491 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
|
492 { |
2410
bbfaeb220e90
postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents:
2292
diff
changeset
|
493 int wbits, memlevel; |
2291
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
494 ngx_http_gzip_conf_t *conf; |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
495 |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
496 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
|
497 |
e9a1cddf2aaa
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498 wbits = conf->wbits; |
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499 memlevel = conf->memlevel; |
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500 |
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501 if (r->headers_out.content_length_n > 0) { |
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502 |
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503 /* the actual zlib window size is smaller by 262 bytes */ |
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504 |
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505 while (r->headers_out.content_length_n < ((1 << (wbits - 1)) - 262)) { |
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506 wbits--; |
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507 memlevel--; |
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508 } |
4965
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509 |
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510 if (memlevel < 1) { |
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511 memlevel = 1; |
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512 } |
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513 } |
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514 |
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515 ctx->wbits = wbits; |
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516 ctx->memlevel = memlevel; |
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517 |
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518 /* |
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519 * We preallocate a memory for zlib in one buffer (200K-400K), this |
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520 * decreases a number of malloc() and free() calls and also probably |
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521 * decreases a number of syscalls (sbrk()/mmap() and so on). |
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522 * Besides we free the memory as soon as a gzipping will complete |
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523 * and do not wait while a whole response will be sent to a client. |
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524 * |
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525 * 8K is for zlib deflate_state, it takes |
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526 * *) 5816 bytes on i386 and sparc64 (32-bit mode) |
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527 * *) 5920 bytes on amd64 and sparc64 |
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528 */ |
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529 |
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530 ctx->allocated = 8192 + (1 << (wbits + 2)) + (1 << (memlevel + 9)); |
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531 } |
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532 |
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533 |
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534 static ngx_int_t |
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535 ngx_http_gzip_filter_buffer(ngx_http_gzip_ctx_t *ctx, ngx_chain_t *in) |
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536 { |
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537 size_t size, buffered; |
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538 ngx_buf_t *b, *buf; |
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539 ngx_chain_t *cl, **ll; |
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540 ngx_http_request_t *r; |
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541 ngx_http_gzip_conf_t *conf; |
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542 |
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543 r = ctx->request; |
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544 |
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545 r->connection->buffered |= NGX_HTTP_GZIP_BUFFERED; |
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546 |
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547 buffered = 0; |
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548 ll = &ctx->in; |
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549 |
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550 for (cl = ctx->in; cl; cl = cl->next) { |
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551 buffered += cl->buf->last - cl->buf->pos; |
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552 ll = &cl->next; |
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553 } |
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554 |
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555 conf = ngx_http_get_module_loc_conf(r, ngx_http_gzip_filter_module); |
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556 |
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557 while (in) { |
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558 cl = ngx_alloc_chain_link(r->pool); |
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559 if (cl == NULL) { |
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560 return NGX_ERROR; |
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561 } |
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562 |
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563 b = in->buf; |
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564 |
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565 size = b->last - b->pos; |
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566 buffered += size; |
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567 |
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568 if (b->flush || b->last_buf || buffered > conf->postpone_gzipping) { |
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569 ctx->buffering = 0; |
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570 } |
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571 |
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572 if (ctx->buffering && size) { |
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573 |
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574 buf = ngx_create_temp_buf(r->pool, size); |
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575 if (buf == NULL) { |
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576 return NGX_ERROR; |
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577 } |
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578 |
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579 buf->last = ngx_cpymem(buf->pos, b->pos, size); |
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580 b->pos = b->last; |
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581 |
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582 buf->last_buf = b->last_buf; |
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583 buf->tag = (ngx_buf_tag_t) &ngx_http_gzip_filter_module; |
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584 |
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585 cl->buf = buf; |
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586 |
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587 } else { |
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588 cl->buf = b; |
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589 } |
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|
590 |
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591 *ll = cl; |
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592 ll = &cl->next; |
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593 in = in->next; |
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|
594 } |
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|
595 |
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596 *ll = NULL; |
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597 |
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598 return ctx->buffering ? NGX_OK : NGX_DONE; |
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|
599 } |
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|
600 |
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|
601 |
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|
602 static ngx_int_t |
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603 ngx_http_gzip_filter_deflate_start(ngx_http_request_t *r, |
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604 ngx_http_gzip_ctx_t *ctx) |
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605 { |
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|
606 int rc; |
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607 ngx_http_gzip_conf_t *conf; |
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|
608 |
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|
609 conf = ngx_http_get_module_loc_conf(r, ngx_http_gzip_filter_module); |
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|
610 |
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|
611 ctx->preallocated = ngx_palloc(r->pool, ctx->allocated); |
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612 if (ctx->preallocated == NULL) { |
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|
613 return NGX_ERROR; |
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614 } |
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|
615 |
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616 ctx->free_mem = ctx->preallocated; |
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617 |
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|
618 ctx->zstream.zalloc = ngx_http_gzip_filter_alloc; |
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619 ctx->zstream.zfree = ngx_http_gzip_filter_free; |
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620 ctx->zstream.opaque = ctx; |
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621 |
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622 rc = deflateInit2(&ctx->zstream, (int) conf->level, Z_DEFLATED, |
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623 - ctx->wbits, ctx->memlevel, Z_DEFAULT_STRATEGY); |
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624 |
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625 if (rc != Z_OK) { |
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626 ngx_log_error(NGX_LOG_ALERT, r->connection->log, 0, |
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627 "deflateInit2() failed: %d", rc); |
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628 return NGX_ERROR; |
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629 } |
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630 |
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631 ctx->last_out = &ctx->out; |
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632 ctx->crc32 = crc32(0L, Z_NULL, 0); |
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633 ctx->flush = Z_NO_FLUSH; |
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634 |
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635 return NGX_OK; |
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636 } |
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637 |
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638 |
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639 static ngx_int_t |
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640 ngx_http_gzip_filter_gzheader(ngx_http_request_t *r, ngx_http_gzip_ctx_t *ctx) |
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641 { |
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642 ngx_buf_t *b; |
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643 ngx_chain_t *cl; |
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644 static u_char gzheader[10] = |
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645 { 0x1f, 0x8b, Z_DEFLATED, 0, 0, 0, 0, 0, 0, 3 }; |
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646 |
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647 b = ngx_pcalloc(r->pool, sizeof(ngx_buf_t)); |
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648 if (b == NULL) { |
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649 return NGX_ERROR; |
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650 } |
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|
651 |
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652 b->memory = 1; |
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653 b->pos = gzheader; |
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*) split ngx_http_gzip_body_filter()
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654 b->last = b->pos + 10; |
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*) split ngx_http_gzip_body_filter()
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|
655 |
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*) split ngx_http_gzip_body_filter()
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656 cl = ngx_alloc_chain_link(r->pool); |
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657 if (cl == NULL) { |
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658 return NGX_ERROR; |
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*) split ngx_http_gzip_body_filter()
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|
659 } |
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*) split ngx_http_gzip_body_filter()
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|
660 |
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*) split ngx_http_gzip_body_filter()
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661 cl->buf = b; |
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662 cl->next = ctx->out; |
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663 ctx->out = cl; |
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664 |
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|
665 ctx->gzheader = 1; |
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*) split ngx_http_gzip_body_filter()
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|
666 |
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*) split ngx_http_gzip_body_filter()
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667 return NGX_OK; |
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*) split ngx_http_gzip_body_filter()
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|
668 } |
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*) split ngx_http_gzip_body_filter()
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|
669 |
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*) split ngx_http_gzip_body_filter()
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|
670 |
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*) split ngx_http_gzip_body_filter()
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|
671 static ngx_int_t |
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672 ngx_http_gzip_filter_add_data(ngx_http_request_t *r, ngx_http_gzip_ctx_t *ctx) |
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|
673 { |
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*) split ngx_http_gzip_body_filter()
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|
674 if (ctx->zstream.avail_in || ctx->flush != Z_NO_FLUSH || ctx->redo) { |
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675 return NGX_OK; |
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*) split ngx_http_gzip_body_filter()
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|
676 } |
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*) split ngx_http_gzip_body_filter()
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|
677 |
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*) split ngx_http_gzip_body_filter()
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|
678 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
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|
679 "gzip in: %p", ctx->in); |
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*) split ngx_http_gzip_body_filter()
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|
680 |
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*) split ngx_http_gzip_body_filter()
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|
681 if (ctx->in == NULL) { |
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*) split ngx_http_gzip_body_filter()
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|
682 return NGX_DECLINED; |
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|
683 } |
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*) split ngx_http_gzip_body_filter()
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|
684 |
2410
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postpone zlib memory allocation
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|
685 if (ctx->copy_buf) { |
bbfaeb220e90
postpone zlib memory allocation
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|
686 |
bbfaeb220e90
postpone zlib memory allocation
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|
687 /* |
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|
688 * to avoid CPU cache trashing we do not free() just quit buf, |
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|
689 * but postpone free()ing after zlib compressing and data output |
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|
690 */ |
bbfaeb220e90
postpone zlib memory allocation
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|
691 |
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postpone zlib memory allocation
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|
692 ctx->copy_buf->next = ctx->copied; |
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|
693 ctx->copied = ctx->copy_buf; |
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|
694 ctx->copy_buf = NULL; |
bbfaeb220e90
postpone zlib memory allocation
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|
695 } |
bbfaeb220e90
postpone zlib memory allocation
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changeset
|
696 |
2291
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
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|
697 ctx->in_buf = ctx->in->buf; |
2410
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changeset
|
698 |
bbfaeb220e90
postpone zlib memory allocation
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|
699 if (ctx->in_buf->tag == (ngx_buf_tag_t) &ngx_http_gzip_filter_module) { |
bbfaeb220e90
postpone zlib memory allocation
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|
700 ctx->copy_buf = ctx->in; |
bbfaeb220e90
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|
701 } |
bbfaeb220e90
postpone zlib memory allocation
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changeset
|
702 |
2291
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
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|
703 ctx->in = ctx->in->next; |
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|
704 |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
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|
705 ctx->zstream.next_in = ctx->in_buf->pos; |
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*) split ngx_http_gzip_body_filter()
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|
706 ctx->zstream.avail_in = ctx->in_buf->last - ctx->in_buf->pos; |
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|
707 |
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*) split ngx_http_gzip_body_filter()
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|
708 ngx_log_debug3(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
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|
709 "gzip in_buf:%p ni:%p ai:%ud", |
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|
710 ctx->in_buf, |
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|
711 ctx->zstream.next_in, ctx->zstream.avail_in); |
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|
712 |
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*) split ngx_http_gzip_body_filter()
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|
713 if (ctx->in_buf->last_buf) { |
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|
714 ctx->flush = Z_FINISH; |
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|
715 |
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*) split ngx_http_gzip_body_filter()
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|
716 } else if (ctx->in_buf->flush) { |
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*) split ngx_http_gzip_body_filter()
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|
717 ctx->flush = Z_SYNC_FLUSH; |
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|
718 } |
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*) split ngx_http_gzip_body_filter()
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|
719 |
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|
720 if (ctx->zstream.avail_in) { |
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*) split ngx_http_gzip_body_filter()
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|
721 |
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|
722 ctx->crc32 = crc32(ctx->crc32, ctx->zstream.next_in, |
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*) split ngx_http_gzip_body_filter()
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|
723 ctx->zstream.avail_in); |
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|
724 |
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*) split ngx_http_gzip_body_filter()
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|
725 } else if (ctx->flush == Z_NO_FLUSH) { |
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|
726 return NGX_AGAIN; |
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|
727 } |
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*) split ngx_http_gzip_body_filter()
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|
728 |
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*) split ngx_http_gzip_body_filter()
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|
729 return NGX_OK; |
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changeset
|
730 } |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
731 |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
732 |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
733 static ngx_int_t |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
734 ngx_http_gzip_filter_get_buf(ngx_http_request_t *r, ngx_http_gzip_ctx_t *ctx) |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
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|
735 { |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
736 ngx_http_gzip_conf_t *conf; |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
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diff
changeset
|
737 |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
738 if (ctx->zstream.avail_out) { |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
739 return NGX_OK; |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
740 } |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
741 |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
742 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:
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|
743 |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
744 if (ctx->free) { |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
745 ctx->out_buf = ctx->free->buf; |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
746 ctx->free = ctx->free->next; |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
747 |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
748 } else if (ctx->bufs < conf->bufs.num) { |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
749 |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
750 ctx->out_buf = ngx_create_temp_buf(r->pool, conf->bufs.size); |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
751 if (ctx->out_buf == NULL) { |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
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changeset
|
752 return NGX_ERROR; |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
753 } |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
754 |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
755 ctx->out_buf->tag = (ngx_buf_tag_t) &ngx_http_gzip_filter_module; |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
756 ctx->out_buf->recycled = 1; |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
757 ctx->bufs++; |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
758 |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
759 } else { |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
760 ctx->nomem = 1; |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
761 return NGX_DECLINED; |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
762 } |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
763 |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
764 ctx->zstream.next_out = ctx->out_buf->pos; |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
765 ctx->zstream.avail_out = conf->bufs.size; |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
766 |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
767 return NGX_OK; |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
768 } |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
769 |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
770 |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
771 static ngx_int_t |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
772 ngx_http_gzip_filter_deflate(ngx_http_request_t *r, ngx_http_gzip_ctx_t *ctx) |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
773 { |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
774 int rc; |
4468
93dd50a9dc70
Gzip filter: handling of empty flush buffers.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4412
diff
changeset
|
775 ngx_buf_t *b; |
2291
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
776 ngx_chain_t *cl; |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
777 ngx_http_gzip_conf_t *conf; |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
778 |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
779 ngx_log_debug6(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
780 "deflate in: ni:%p no:%p ai:%ud ao:%ud fl:%d redo:%d", |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
781 ctx->zstream.next_in, ctx->zstream.next_out, |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
782 ctx->zstream.avail_in, ctx->zstream.avail_out, |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
783 ctx->flush, ctx->redo); |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
784 |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
785 rc = deflate(&ctx->zstream, ctx->flush); |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
786 |
4468
93dd50a9dc70
Gzip filter: handling of empty flush buffers.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4412
diff
changeset
|
787 if (rc != Z_OK && rc != Z_STREAM_END && rc != Z_BUF_ERROR) { |
2291
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
788 ngx_log_error(NGX_LOG_ALERT, r->connection->log, 0, |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
789 "deflate() failed: %d, %d", ctx->flush, rc); |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
790 return NGX_ERROR; |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
791 } |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
792 |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
793 ngx_log_debug5(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
794 "deflate out: ni:%p no:%p ai:%ud ao:%ud rc:%d", |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
795 ctx->zstream.next_in, ctx->zstream.next_out, |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
796 ctx->zstream.avail_in, ctx->zstream.avail_out, |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
797 rc); |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
798 |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
799 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
800 "gzip in_buf:%p pos:%p", |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
801 ctx->in_buf, ctx->in_buf->pos); |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
802 |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
803 if (ctx->zstream.next_in) { |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
804 ctx->in_buf->pos = ctx->zstream.next_in; |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
805 |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
806 if (ctx->zstream.avail_in == 0) { |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
807 ctx->zstream.next_in = NULL; |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
808 } |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
809 } |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
810 |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
811 ctx->out_buf->last = ctx->zstream.next_out; |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
812 |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
813 if (ctx->zstream.avail_out == 0) { |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
814 |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
815 /* zlib wants to output some more gzipped data */ |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
816 |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
817 cl = ngx_alloc_chain_link(r->pool); |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
818 if (cl == NULL) { |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
819 return NGX_ERROR; |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
820 } |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
821 |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
822 cl->buf = ctx->out_buf; |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
823 cl->next = NULL; |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
824 *ctx->last_out = cl; |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
825 ctx->last_out = &cl->next; |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
826 |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
827 ctx->redo = 1; |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
828 |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
829 return NGX_AGAIN; |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
830 } |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
831 |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
832 ctx->redo = 0; |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
833 |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
834 if (ctx->flush == Z_SYNC_FLUSH) { |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
835 |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
836 ctx->flush = Z_NO_FLUSH; |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
837 |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
838 cl = ngx_alloc_chain_link(r->pool); |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
839 if (cl == NULL) { |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
840 return NGX_ERROR; |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
841 } |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
842 |
4468
93dd50a9dc70
Gzip filter: handling of empty flush buffers.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4412
diff
changeset
|
843 b = ctx->out_buf; |
93dd50a9dc70
Gzip filter: handling of empty flush buffers.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4412
diff
changeset
|
844 |
93dd50a9dc70
Gzip filter: handling of empty flush buffers.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4412
diff
changeset
|
845 if (ngx_buf_size(b) == 0) { |
93dd50a9dc70
Gzip filter: handling of empty flush buffers.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4412
diff
changeset
|
846 |
93dd50a9dc70
Gzip filter: handling of empty flush buffers.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4412
diff
changeset
|
847 b = ngx_calloc_buf(ctx->request->pool); |
93dd50a9dc70
Gzip filter: handling of empty flush buffers.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4412
diff
changeset
|
848 if (b == NULL) { |
93dd50a9dc70
Gzip filter: handling of empty flush buffers.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4412
diff
changeset
|
849 return NGX_ERROR; |
93dd50a9dc70
Gzip filter: handling of empty flush buffers.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4412
diff
changeset
|
850 } |
93dd50a9dc70
Gzip filter: handling of empty flush buffers.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4412
diff
changeset
|
851 |
93dd50a9dc70
Gzip filter: handling of empty flush buffers.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4412
diff
changeset
|
852 } else { |
93dd50a9dc70
Gzip filter: handling of empty flush buffers.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4412
diff
changeset
|
853 ctx->zstream.avail_out = 0; |
93dd50a9dc70
Gzip filter: handling of empty flush buffers.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4412
diff
changeset
|
854 } |
93dd50a9dc70
Gzip filter: handling of empty flush buffers.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4412
diff
changeset
|
855 |
93dd50a9dc70
Gzip filter: handling of empty flush buffers.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4412
diff
changeset
|
856 b->flush = 1; |
93dd50a9dc70
Gzip filter: handling of empty flush buffers.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4412
diff
changeset
|
857 |
93dd50a9dc70
Gzip filter: handling of empty flush buffers.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4412
diff
changeset
|
858 cl->buf = b; |
2291
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
859 cl->next = NULL; |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
860 *ctx->last_out = cl; |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
861 ctx->last_out = &cl->next; |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
862 |
5291
84155a389bcc
Gzip: clearing of c->buffered if all data are flushed.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5107
diff
changeset
|
863 r->connection->buffered &= ~NGX_HTTP_GZIP_BUFFERED; |
84155a389bcc
Gzip: clearing of c->buffered if all data are flushed.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5107
diff
changeset
|
864 |
2291
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
865 return NGX_OK; |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
866 } |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
867 |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
868 if (rc == Z_STREAM_END) { |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
869 |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
870 if (ngx_http_gzip_filter_deflate_end(r, ctx) != NGX_OK) { |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
871 return NGX_ERROR; |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
872 } |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
873 |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
874 return NGX_OK; |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
875 } |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
876 |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
877 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
|
878 |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
879 if (conf->no_buffer && ctx->in == NULL) { |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
880 |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
881 cl = ngx_alloc_chain_link(r->pool); |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
882 if (cl == NULL) { |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
883 return NGX_ERROR; |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
884 } |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
885 |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
886 cl->buf = ctx->out_buf; |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
887 cl->next = NULL; |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
888 *ctx->last_out = cl; |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
889 ctx->last_out = &cl->next; |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
890 |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
891 return NGX_OK; |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
892 } |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
893 |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
894 return NGX_AGAIN; |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
895 } |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
896 |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
897 |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
898 static ngx_int_t |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
899 ngx_http_gzip_filter_deflate_end(ngx_http_request_t *r, |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
900 ngx_http_gzip_ctx_t *ctx) |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
901 { |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
902 int rc; |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
903 ngx_buf_t *b; |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
904 ngx_chain_t *cl; |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
905 struct gztrailer *trailer; |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
906 |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
907 ctx->zin = ctx->zstream.total_in; |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
908 ctx->zout = 10 + ctx->zstream.total_out + 8; |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
909 |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
910 rc = deflateEnd(&ctx->zstream); |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
911 |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
912 if (rc != Z_OK) { |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
913 ngx_log_error(NGX_LOG_ALERT, r->connection->log, 0, |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
914 "deflateEnd() failed: %d", rc); |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
915 return NGX_ERROR; |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
916 } |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
917 |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
918 ngx_pfree(r->pool, ctx->preallocated); |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
919 |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
920 cl = ngx_alloc_chain_link(r->pool); |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
921 if (cl == NULL) { |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
922 return NGX_ERROR; |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
923 } |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
924 |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
925 cl->buf = ctx->out_buf; |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
926 cl->next = NULL; |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
927 *ctx->last_out = cl; |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
928 ctx->last_out = &cl->next; |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
929 |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
930 if (ctx->zstream.avail_out >= 8) { |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
931 trailer = (struct gztrailer *) ctx->out_buf->last; |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
932 ctx->out_buf->last += 8; |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
933 ctx->out_buf->last_buf = 1; |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
934 |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
935 } else { |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
936 b = ngx_create_temp_buf(r->pool, 8); |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
937 if (b == NULL) { |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
938 return NGX_ERROR; |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
939 } |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
940 |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
941 b->last_buf = 1; |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
942 |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
943 cl = ngx_alloc_chain_link(r->pool); |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
944 if (cl == NULL) { |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
945 return NGX_ERROR; |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
946 } |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
947 |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
948 cl->buf = b; |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
949 cl->next = NULL; |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
950 *ctx->last_out = cl; |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
951 ctx->last_out = &cl->next; |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2290
diff
changeset
|
952 trailer = (struct gztrailer *) b->pos; |
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953 b->last += 8; |
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parents:
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|
954 } |
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|
955 |
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*) split ngx_http_gzip_body_filter()
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diff
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|
956 #if (NGX_HAVE_LITTLE_ENDIAN && NGX_HAVE_NONALIGNED) |
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957 |
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parents:
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958 trailer->crc32 = ctx->crc32; |
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*) split ngx_http_gzip_body_filter()
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parents:
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959 trailer->zlen = ctx->zin; |
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diff
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|
960 |
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|
961 #else |
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parents:
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diff
changeset
|
962 |
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*) split ngx_http_gzip_body_filter()
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parents:
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diff
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963 trailer->crc32[0] = (u_char) (ctx->crc32 & 0xff); |
e9a1cddf2aaa
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parents:
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|
964 trailer->crc32[1] = (u_char) ((ctx->crc32 >> 8) & 0xff); |
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parents:
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changeset
|
965 trailer->crc32[2] = (u_char) ((ctx->crc32 >> 16) & 0xff); |
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parents:
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|
966 trailer->crc32[3] = (u_char) ((ctx->crc32 >> 24) & 0xff); |
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|
967 |
e9a1cddf2aaa
*) split ngx_http_gzip_body_filter()
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changeset
|
968 trailer->zlen[0] = (u_char) (ctx->zin & 0xff); |
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parents:
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changeset
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969 trailer->zlen[1] = (u_char) ((ctx->zin >> 8) & 0xff); |
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970 trailer->zlen[2] = (u_char) ((ctx->zin >> 16) & 0xff); |
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parents:
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971 trailer->zlen[3] = (u_char) ((ctx->zin >> 24) & 0xff); |
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|
972 |
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|
973 #endif |
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parents:
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changeset
|
974 |
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parents:
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|
975 ctx->zstream.avail_in = 0; |
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|
976 ctx->zstream.avail_out = 0; |
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|
977 |
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changeset
|
978 ctx->done = 1; |
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parents:
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979 |
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980 r->connection->buffered &= ~NGX_HTTP_GZIP_BUFFERED; |
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changeset
|
981 |
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982 return NGX_OK; |
133
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parents:
diff
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|
983 } |
b27548f540ad
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parents:
diff
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|
984 |
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|
985 |
497 | 986 static void * |
987 ngx_http_gzip_filter_alloc(void *opaque, u_int items, u_int size) | |
156
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988 { |
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989 ngx_http_gzip_ctx_t *ctx = opaque; |
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|
990 |
294
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991 void *p; |
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|
992 ngx_uint_t alloc; |
156
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|
993 |
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994 alloc = items * size; |
461 | 995 |
2425
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|
996 if (alloc % 512 != 0 && alloc < 8192) { |
156
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997 |
346
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|
998 /* |
461 | 999 * The zlib deflate_state allocation, it takes about 6K, |
1000 * we allocate 8K. Other allocations are divisible by 512. | |
346
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1001 */ |
156
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1002 |
2425
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diff
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|
1003 alloc = 8192; |
156
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1004 } |
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1005 |
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1006 if (alloc <= ctx->allocated) { |
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1007 p = ctx->free_mem; |
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1008 ctx->free_mem += alloc; |
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1009 ctx->allocated -= alloc; |
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1010 |
257
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1011 ngx_log_debug4(NGX_LOG_DEBUG_HTTP, ctx->request->connection->log, 0, |
461 | 1012 "gzip alloc: n:%ud s:%ud a:%ud p:%p", |
257
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1013 items, size, alloc, p); |
156
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1014 |
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1015 return p; |
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1016 } |
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1017 |
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1018 ngx_log_error(NGX_LOG_ALERT, ctx->request->connection->log, 0, |
461 | 1019 "gzip filter failed to use preallocated memory: %ud of %ud", |
156
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1020 items * size, ctx->allocated); |
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1021 |
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1022 p = ngx_palloc(ctx->request->pool, items * size); |
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1023 |
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1024 return p; |
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1025 } |
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1026 |
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|
1027 |
497 | 1028 static void |
1029 ngx_http_gzip_filter_free(void *opaque, void *address) | |
156
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1030 { |
282
30310107dbc9
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|
1031 #if 0 |
156
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|
1032 ngx_http_gzip_ctx_t *ctx = opaque; |
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1033 |
257
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|
1034 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, ctx->request->connection->log, 0, |
461 | 1035 "gzip free: %p", address); |
156
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|
1036 #endif |
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1037 } |
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|
1038 |
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|
1039 |
2410
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|
1040 static void |
bbfaeb220e90
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|
1041 ngx_http_gzip_filter_free_copy_buf(ngx_http_request_t *r, |
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|
1042 ngx_http_gzip_ctx_t *ctx) |
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|
1043 { |
bbfaeb220e90
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|
1044 ngx_chain_t *cl; |
bbfaeb220e90
postpone zlib memory allocation
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|
1045 |
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|
1046 for (cl = ctx->copied; cl; cl = cl->next) { |
bbfaeb220e90
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|
1047 ngx_pfree(r->pool, cl->buf->start); |
bbfaeb220e90
postpone zlib memory allocation
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parents:
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diff
changeset
|
1048 } |
bbfaeb220e90
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diff
changeset
|
1049 |
bbfaeb220e90
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parents:
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diff
changeset
|
1050 ctx->copied = NULL; |
bbfaeb220e90
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parents:
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diff
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|
1051 } |
bbfaeb220e90
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diff
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|
1052 |
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|
1053 |
497 | 1054 static ngx_int_t |
573 | 1055 ngx_http_gzip_add_variables(ngx_conf_t *cf) |
177
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|
1056 { |
880 | 1057 ngx_http_variable_t *var; |
177
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|
1058 |
583 | 1059 var = ngx_http_add_variable(cf, &ngx_http_gzip_ratio, NGX_HTTP_VAR_NOHASH); |
573 | 1060 if (var == NULL) { |
1061 return NGX_ERROR; | |
1062 } | |
1063 | |
637 | 1064 var->get_handler = ngx_http_gzip_ratio_variable; |
573 | 1065 |
177
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1066 return NGX_OK; |
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|
1067 } |
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|
1068 |
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|
1069 |
497 | 1070 static ngx_int_t |
573 | 1071 ngx_http_gzip_ratio_variable(ngx_http_request_t *r, |
1072 ngx_http_variable_value_t *v, uintptr_t data) | |
1073 { | |
1074 ngx_uint_t zint, zfrac; | |
1075 ngx_http_gzip_ctx_t *ctx; | |
1076 | |
577 | 1077 v->valid = 1; |
1565 | 1078 v->no_cacheable = 0; |
573 | 1079 v->not_found = 0; |
1080 | |
1081 ctx = ngx_http_get_module_ctx(r, ngx_http_gzip_filter_module); | |
1082 | |
1083 if (ctx == NULL || ctx->zout == 0) { | |
1084 v->not_found = 1; | |
1085 return NGX_OK; | |
1086 } | |
1087 | |
2049 | 1088 v->data = ngx_pnalloc(r->pool, NGX_INT32_LEN + 3); |
573 | 1089 if (v->data == NULL) { |
1090 return NGX_ERROR; | |
1091 } | |
1092 | |
1093 zint = (ngx_uint_t) (ctx->zin / ctx->zout); | |
1094 zfrac = (ngx_uint_t) ((ctx->zin * 100 / ctx->zout) % 100); | |
1095 | |
1096 if ((ctx->zin * 1000 / ctx->zout) % 10 > 4) { | |
1097 | |
1098 /* the rounding, e.g., 2.125 to 2.13 */ | |
1099 | |
1100 zfrac++; | |
1101 | |
1102 if (zfrac > 99) { | |
1103 zint++; | |
1104 zfrac = 0; | |
1105 } | |
1106 } | |
1107 | |
1108 v->len = ngx_sprintf(v->data, "%ui.%02ui", zint, zfrac) - v->data; | |
1109 | |
1110 return NGX_OK; | |
1111 } | |
1112 | |
1113 | |
497 | 1114 static void * |
1115 ngx_http_gzip_create_conf(ngx_conf_t *cf) | |
134
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133
diff
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|
1116 { |
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parents:
133
diff
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|
1117 ngx_http_gzip_conf_t *conf; |
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133
diff
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|
1118 |
501 | 1119 conf = ngx_pcalloc(cf->pool, sizeof(ngx_http_gzip_conf_t)); |
1120 if (conf == NULL) { | |
2912
c7d57b539248
return NULL instead of NGX_CONF_ERROR on a create conf failure
Igor Sysoev <igor@sysoev.ru>
parents:
2542
diff
changeset
|
1121 return NULL; |
430
1fa5daf7558e
nginx-0.0.11-2004-09-19-22:27:00 import
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parents:
416
diff
changeset
|
1122 } |
134
d57c6835225c
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parents:
133
diff
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|
1123 |
430
1fa5daf7558e
nginx-0.0.11-2004-09-19-22:27:00 import
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parents:
416
diff
changeset
|
1124 /* |
479 | 1125 * set by ngx_pcalloc(): |
1126 * | |
1127 * 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
|
1128 * conf->types = { NULL }; |
723df5089c05
use hash in gzip_types, ssi_types, and sub_filter_types
Igor Sysoev <igor@sysoev.ru>
parents:
2051
diff
changeset
|
1129 * 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
|
1130 */ |
320
d621239c30f7
nginx-0.0.3-2004-04-18-23:06:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
319
diff
changeset
|
1131 |
134
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
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parents:
133
diff
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|
1132 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
|
1133 conf->no_buffer = NGX_CONF_UNSET; |
314
d71c87d11b16
nginx-0.0.3-2004-04-14-09:57:36 import
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parents:
294
diff
changeset
|
1134 |
2542
925b5df2e0c2
fix postponed zlib memory allocation, introduced in r2411
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parents:
2536
diff
changeset
|
1135 conf->postpone_gzipping = NGX_CONF_UNSET_SIZE; |
156
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
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parents:
155
diff
changeset
|
1136 conf->level = NGX_CONF_UNSET; |
2542
925b5df2e0c2
fix postponed zlib memory allocation, introduced in r2411
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1137 conf->wbits = NGX_CONF_UNSET_SIZE; |
925b5df2e0c2
fix postponed zlib memory allocation, introduced in r2411
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1138 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
|
1139 conf->min_length = NGX_CONF_UNSET; |
134
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
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parents:
133
diff
changeset
|
1140 |
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
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parents:
133
diff
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|
1141 return conf; |
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
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parents:
133
diff
changeset
|
1142 } |
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
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parents:
133
diff
changeset
|
1143 |
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
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parents:
133
diff
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|
1144 |
497 | 1145 static char * |
1146 ngx_http_gzip_merge_conf(ngx_conf_t *cf, void *parent, void *child) | |
134
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nginx-0.0.1-2003-09-26-09:45:21 import
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parents:
133
diff
changeset
|
1147 { |
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
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parents:
133
diff
changeset
|
1148 ngx_http_gzip_conf_t *prev = parent; |
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
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parents:
133
diff
changeset
|
1149 ngx_http_gzip_conf_t *conf = child; |
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
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parents:
133
diff
changeset
|
1150 |
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
1151 ngx_conf_merge_value(conf->enable, prev->enable, 0); |
2542
925b5df2e0c2
fix postponed zlib memory allocation, introduced in r2411
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1152 ngx_conf_merge_value(conf->no_buffer, prev->no_buffer, 0); |
314
d71c87d11b16
nginx-0.0.3-2004-04-14-09:57:36 import
Igor Sysoev <igor@sysoev.ru>
parents:
294
diff
changeset
|
1153 |
2412
086c20fe2e97
set default gzip_buffers to 32 4k or 16 8k
Igor Sysoev <igor@sysoev.ru>
parents:
2410
diff
changeset
|
1154 ngx_conf_merge_bufs_value(conf->bufs, prev->bufs, |
086c20fe2e97
set default gzip_buffers to 32 4k or 16 8k
Igor Sysoev <igor@sysoev.ru>
parents:
2410
diff
changeset
|
1155 (128 * 1024) / ngx_pagesize, ngx_pagesize); |
314
d71c87d11b16
nginx-0.0.3-2004-04-14-09:57:36 import
Igor Sysoev <igor@sysoev.ru>
parents:
294
diff
changeset
|
1156 |
2542
925b5df2e0c2
fix postponed zlib memory allocation, introduced in r2411
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1157 ngx_conf_merge_size_value(conf->postpone_gzipping, prev->postpone_gzipping, |
925b5df2e0c2
fix postponed zlib memory allocation, introduced in r2411
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
1158 0); |
156
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
1159 ngx_conf_merge_value(conf->level, prev->level, 1); |
319
7a8ebba985a9
nginx-0.0.3-2004-04-16-19:27:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
315
diff
changeset
|
1160 ngx_conf_merge_size_value(conf->wbits, prev->wbits, MAX_WBITS); |
7a8ebba985a9
nginx-0.0.3-2004-04-16-19:27:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
315
diff
changeset
|
1161 ngx_conf_merge_size_value(conf->memlevel, prev->memlevel, |
7a8ebba985a9
nginx-0.0.3-2004-04-16-19:27:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
315
diff
changeset
|
1162 MAX_MEM_LEVEL - 1); |
577 | 1163 ngx_conf_merge_value(conf->min_length, prev->min_length, 20); |
134
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
1164 |
3372
6b8e5c882e47
support "*" in gzip_types, ssi_types, etc
Igor Sysoev <igor@sysoev.ru>
parents:
3314
diff
changeset
|
1165 if (ngx_http_merge_types(cf, &conf->types_keys, &conf->types, |
6b8e5c882e47
support "*" in gzip_types, ssi_types, etc
Igor Sysoev <igor@sysoev.ru>
parents:
3314
diff
changeset
|
1166 &prev->types_keys, &prev->types, |
2166
723df5089c05
use hash in gzip_types, ssi_types, and sub_filter_types
Igor Sysoev <igor@sysoev.ru>
parents:
2051
diff
changeset
|
1167 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
|
1168 != NGX_OK) |
723df5089c05
use hash in gzip_types, ssi_types, and sub_filter_types
Igor Sysoev <igor@sysoev.ru>
parents:
2051
diff
changeset
|
1169 { |
723df5089c05
use hash in gzip_types, ssi_types, and sub_filter_types
Igor Sysoev <igor@sysoev.ru>
parents:
2051
diff
changeset
|
1170 return NGX_CONF_ERROR; |
452 | 1171 } |
1172 | |
1173 return NGX_CONF_OK; | |
1174 } | |
1175 | |
1176 | |
681 | 1177 static ngx_int_t |
1178 ngx_http_gzip_filter_init(ngx_conf_t *cf) | |
1179 { | |
1180 ngx_http_next_header_filter = ngx_http_top_header_filter; | |
1181 ngx_http_top_header_filter = ngx_http_gzip_header_filter; | |
1182 | |
1183 ngx_http_next_body_filter = ngx_http_top_body_filter; | |
1184 ngx_http_top_body_filter = ngx_http_gzip_body_filter; | |
1185 | |
1186 return NGX_OK; | |
1187 } | |
1188 | |
1189 | |
497 | 1190 static char * |
527 | 1191 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
|
1192 { |
2290 | 1193 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
|
1194 |
2290 | 1195 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
|
1196 |
430
1fa5daf7558e
nginx-0.0.11-2004-09-19-22:27:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
416
diff
changeset
|
1197 wbits = 15; |
156
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
1198 |
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
1199 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
|
1200 |
158
d377ee423603
nginx-0.0.1-2003-10-24-10:53:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
157
diff
changeset
|
1201 if (wsize == *np) { |
d377ee423603
nginx-0.0.1-2003-10-24-10:53:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
157
diff
changeset
|
1202 *np = wbits; |
430
1fa5daf7558e
nginx-0.0.11-2004-09-19-22:27:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
416
diff
changeset
|
1203 |
1fa5daf7558e
nginx-0.0.11-2004-09-19-22:27:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
416
diff
changeset
|
1204 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
|
1205 } |
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
1206 |
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
1207 wbits--; |
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
1208 } |
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
1209 |
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
1210 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
|
1211 } |
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
1212 |
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
1213 |
497 | 1214 static char * |
527 | 1215 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
|
1216 { |
2290 | 1217 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
|
1218 |
2290 | 1219 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
|
1220 |
430
1fa5daf7558e
nginx-0.0.11-2004-09-19-22:27:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
416
diff
changeset
|
1221 memlevel = 9; |
156
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
1222 |
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
1223 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
|
1224 |
158
d377ee423603
nginx-0.0.1-2003-10-24-10:53:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
157
diff
changeset
|
1225 if (hsize == *np) { |
d377ee423603
nginx-0.0.1-2003-10-24-10:53:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
157
diff
changeset
|
1226 *np = memlevel; |
430
1fa5daf7558e
nginx-0.0.11-2004-09-19-22:27:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
416
diff
changeset
|
1227 |
1fa5daf7558e
nginx-0.0.11-2004-09-19-22:27:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
416
diff
changeset
|
1228 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
|
1229 } |
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
1230 |
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
1231 memlevel--; |
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
1232 } |
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
1233 |
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
1234 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
|
1235 } |