Mercurial > hg > nginx-quic
annotate src/http/modules/ngx_http_gzip_filter.c @ 144:ef8c87afcfc5
nginx-0.0.1-2003-10-12-20:49:16 import
author | Igor Sysoev <igor@sysoev.ru> |
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date | Sun, 12 Oct 2003 16:49:16 +0000 |
parents | 656d468f4ead |
children | c71aeb75c071 |
rev | line source |
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1 |
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2 #include <ngx_config.h> |
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3 #include <ngx_core.h> |
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4 #include <ngx_http.h> |
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5 |
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6 #include <zlib.h> |
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7 |
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8 |
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9 typedef struct { |
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10 int enable; |
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11 ngx_bufs_t bufs; |
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12 int no_buffer; |
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13 } ngx_http_gzip_conf_t; |
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14 |
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15 |
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16 typedef struct { |
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17 ngx_chain_t *in; |
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18 ngx_chain_t *free; |
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19 ngx_chain_t *busy; |
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20 ngx_chain_t *out; |
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21 ngx_chain_t **last_out; |
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22 ngx_hunk_t *in_hunk; |
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23 ngx_hunk_t *out_hunk; |
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24 int hunks; |
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25 |
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26 off_t length; |
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27 void *alloc; |
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28 |
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29 unsigned flush:4; |
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30 unsigned redo:1; |
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31 |
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32 u_int crc32; |
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33 z_stream zstream; |
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34 } ngx_http_gzip_ctx_t; |
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35 |
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36 |
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37 ngx_inline static int ngx_http_gzip_error(ngx_http_gzip_ctx_t *ctx); |
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38 static int ngx_http_gzip_filter_init(ngx_cycle_t *cycle); |
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39 static void *ngx_http_gzip_create_conf(ngx_conf_t *cf); |
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40 static char *ngx_http_gzip_merge_conf(ngx_conf_t *cf, |
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41 void *parent, void *child); |
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42 |
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43 |
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44 static ngx_command_t ngx_http_gzip_filter_commands[] = { |
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45 |
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46 {ngx_string("gzip"), |
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47 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG, |
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48 ngx_conf_set_flag_slot, |
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49 NGX_HTTP_LOC_CONF_OFFSET, |
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50 offsetof(ngx_http_gzip_conf_t, enable), |
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51 NULL}, |
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52 |
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53 {ngx_string("gzip_buffers"), |
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54 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE2, |
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55 ngx_conf_set_bufs_slot, |
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56 NGX_HTTP_LOC_CONF_OFFSET, |
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57 offsetof(ngx_http_gzip_conf_t, bufs), |
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58 NULL}, |
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59 |
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60 {ngx_string("gzip_no_buffer"), |
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61 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG, |
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62 ngx_conf_set_flag_slot, |
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63 NGX_HTTP_LOC_CONF_OFFSET, |
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64 offsetof(ngx_http_gzip_conf_t, no_buffer), |
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65 NULL}, |
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66 |
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67 ngx_null_command |
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68 }; |
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69 |
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70 |
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71 static ngx_http_module_t ngx_http_gzip_filter_module_ctx = { |
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72 NULL, /* create main configuration */ |
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73 NULL, /* init main configuration */ |
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74 |
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75 NULL, /* create server configuration */ |
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76 NULL, /* merge server configuration */ |
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77 |
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78 ngx_http_gzip_create_conf, /* create location configuration */ |
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79 ngx_http_gzip_merge_conf, /* merge location configuration */ |
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80 }; |
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81 |
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82 |
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83 ngx_module_t ngx_http_gzip_filter_module = { |
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84 NGX_MODULE, |
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85 &ngx_http_gzip_filter_module_ctx, /* module context */ |
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86 ngx_http_gzip_filter_commands, /* module directives */ |
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87 NGX_HTTP_MODULE, /* module type */ |
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88 ngx_http_gzip_filter_init, /* init module */ |
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89 NULL /* init child */ |
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90 }; |
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91 |
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92 |
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93 static char gzheader[10] = { 0x1f, |
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94 (char) 0x8b, /* suppress MSVC warning */ |
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95 Z_DEFLATED, 0, 0, 0, 0, 0, 0, 3 }; |
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96 |
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97 #if (HAVE_LITTLE_ENDIAN) |
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98 |
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99 struct gztrailer { |
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100 u_int crc32; |
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101 u_int zlen; |
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102 }; |
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103 |
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104 #else /* HAVE_BIG_ENDIAN */ |
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nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
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|
105 |
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
106 struct gztrailer { |
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
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|
107 unsigned char crc32[4]; |
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
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|
108 unsigned char zlen[4]; |
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
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|
109 }; |
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
110 |
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
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|
111 #endif |
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
112 |
133
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
113 |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
114 |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
115 static int (*next_header_filter) (ngx_http_request_t *r); |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
116 static int (*next_body_filter) (ngx_http_request_t *r, ngx_chain_t *ch); |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
117 |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
118 |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
119 static int ngx_http_gzip_header_filter(ngx_http_request_t *r) |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
120 { |
134
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
121 ngx_http_gzip_ctx_t *ctx; |
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
122 ngx_http_gzip_conf_t *conf; |
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
123 |
135
e29909bd9b8a
nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
134
diff
changeset
|
124 conf = ngx_http_get_module_loc_conf(r, ngx_http_gzip_filter_module); |
e29909bd9b8a
nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
134
diff
changeset
|
125 |
e29909bd9b8a
nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
134
diff
changeset
|
126 if (!conf->enable |
e29909bd9b8a
nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
134
diff
changeset
|
127 || r->headers_out.status != NGX_HTTP_OK |
134
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
128 || r->header_only |
135
e29909bd9b8a
nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
134
diff
changeset
|
129 || r->main |
e29909bd9b8a
nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
134
diff
changeset
|
130 /* TODO: conf->http_version */ |
e29909bd9b8a
nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
134
diff
changeset
|
131 || (r->headers_out.content_encoding |
e29909bd9b8a
nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
134
diff
changeset
|
132 && r->headers_out.content_encoding->value.len) |
e29909bd9b8a
nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
134
diff
changeset
|
133 || r->headers_in.accept_encoding == NULL |
e29909bd9b8a
nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
134
diff
changeset
|
134 || ngx_strstr(r->headers_in.accept_encoding->value.data, "gzip") == NULL |
e29909bd9b8a
nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
134
diff
changeset
|
135 ) |
134
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
136 { |
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
137 return next_header_filter(r); |
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
138 } |
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
139 |
135
e29909bd9b8a
nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
134
diff
changeset
|
140 /* TODO: "text/html" -> custom types */ |
e29909bd9b8a
nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
134
diff
changeset
|
141 if (r->headers_out.content_type |
e29909bd9b8a
nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
134
diff
changeset
|
142 && ngx_strncasecmp(r->headers_out.content_type->value.data, |
e29909bd9b8a
nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
134
diff
changeset
|
143 "text/html", 5) != 0) |
133
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
144 { |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
145 return next_header_filter(r); |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
146 } |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
147 |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
148 ngx_http_create_ctx(r, ctx, 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
|
149 sizeof(ngx_http_gzip_ctx_t), NGX_ERROR); |
133
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
150 |
135
e29909bd9b8a
nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
134
diff
changeset
|
151 ngx_test_null(r->headers_out.content_encoding, |
e29909bd9b8a
nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
134
diff
changeset
|
152 ngx_push_table(r->headers_out.headers), |
e29909bd9b8a
nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
134
diff
changeset
|
153 NGX_ERROR); |
e29909bd9b8a
nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
134
diff
changeset
|
154 |
e29909bd9b8a
nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
134
diff
changeset
|
155 r->headers_out.content_encoding->key.len = 0; |
e29909bd9b8a
nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
134
diff
changeset
|
156 r->headers_out.content_encoding->key.data = NULL; |
e29909bd9b8a
nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
134
diff
changeset
|
157 r->headers_out.content_encoding->value.len = 4; |
e29909bd9b8a
nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
134
diff
changeset
|
158 r->headers_out.content_encoding->value.data = "gzip"; |
e29909bd9b8a
nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
134
diff
changeset
|
159 |
133
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
160 ctx->length = r->headers_out.content_length; |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
161 r->headers_out.content_length = -1; |
134
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
162 r->filter |= NGX_HTTP_FILTER_NEED_IN_MEMORY; |
133
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
163 |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
164 return next_header_filter(r); |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
165 } |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
166 |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
167 |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
168 static int ngx_http_gzip_body_filter(ngx_http_request_t *r, ngx_chain_t *in) |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
169 { |
141
656d468f4ead
nginx-0.0.1-2003-10-08-19:32:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
136
diff
changeset
|
170 int rc, wbits, mem_level, zin, zout, last; |
134
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
171 struct gztrailer *trailer; |
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
172 ngx_hunk_t *h; |
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
173 ngx_chain_t *ce; |
133
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
174 ngx_http_gzip_ctx_t *ctx; |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
175 ngx_http_gzip_conf_t *conf; |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
176 |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
177 ctx = ngx_http_get_module_ctx(r, ngx_http_gzip_filter_module); |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
178 |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
179 if (ctx == NULL) { |
134
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
180 return next_body_filter(r, in); |
133
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
181 } |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
182 |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
183 conf = ngx_http_get_module_loc_conf(r, ngx_http_gzip_filter_module); |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
184 |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
185 if (ctx->alloc == NULL) { |
136
da00cde00e8a
nginx-0.0.1-2003-10-02-09:39:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
135
diff
changeset
|
186 wbits = MAX_WBITS; |
da00cde00e8a
nginx-0.0.1-2003-10-02-09:39:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
135
diff
changeset
|
187 mem_level = MAX_MEM_LEVEL - 1; |
da00cde00e8a
nginx-0.0.1-2003-10-02-09:39:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
135
diff
changeset
|
188 |
da00cde00e8a
nginx-0.0.1-2003-10-02-09:39:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
135
diff
changeset
|
189 if (ctx->length > 0) { |
da00cde00e8a
nginx-0.0.1-2003-10-02-09:39:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
135
diff
changeset
|
190 |
da00cde00e8a
nginx-0.0.1-2003-10-02-09:39:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
135
diff
changeset
|
191 /* the actual zlib window size is smaller by 262 bytes */ |
da00cde00e8a
nginx-0.0.1-2003-10-02-09:39:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
135
diff
changeset
|
192 |
da00cde00e8a
nginx-0.0.1-2003-10-02-09:39:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
135
diff
changeset
|
193 while (ctx->length < ((1 << (wbits - 1)) - 262)) { |
da00cde00e8a
nginx-0.0.1-2003-10-02-09:39:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
135
diff
changeset
|
194 wbits--; |
da00cde00e8a
nginx-0.0.1-2003-10-02-09:39:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
135
diff
changeset
|
195 mem_level--; |
da00cde00e8a
nginx-0.0.1-2003-10-02-09:39:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
135
diff
changeset
|
196 } |
da00cde00e8a
nginx-0.0.1-2003-10-02-09:39:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
135
diff
changeset
|
197 } |
da00cde00e8a
nginx-0.0.1-2003-10-02-09:39:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
135
diff
changeset
|
198 |
133
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
199 #if 0 |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
200 ngx_test_null(ctx->alloc, ngx_alloc(200K, r->log), NGX_ERROR); |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
201 #else |
144
ef8c87afcfc5
nginx-0.0.1-2003-10-12-20:49:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
141
diff
changeset
|
202 ctx->alloc = (void *) -1; |
133
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
203 #endif |
136
da00cde00e8a
nginx-0.0.1-2003-10-02-09:39:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
135
diff
changeset
|
204 |
133
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
205 rc = deflateInit2(&ctx->zstream, /**/ 1, Z_DEFLATED, |
136
da00cde00e8a
nginx-0.0.1-2003-10-02-09:39:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
135
diff
changeset
|
206 -wbits, mem_level, Z_DEFAULT_STRATEGY); |
133
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
207 |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
208 if (rc != Z_OK) { |
134
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
209 ngx_log_error(NGX_LOG_ALERT, r->connection->log, 0, |
133
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
210 "deflateInit2() failed: %d", rc); |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
211 return ngx_http_gzip_error(ctx); |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
212 } |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
213 |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
214 ngx_test_null(h, ngx_calloc_hunk(r->pool), ngx_http_gzip_error(ctx)); |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
215 |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
216 h->type = NGX_HUNK_IN_MEMORY|NGX_HUNK_MEMORY; |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
217 h->pos = gzheader; |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
218 h->last = h->pos + 10; |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
219 |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
220 ngx_test_null(ce, ngx_alloc_chain_entry(r->pool), |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
221 ngx_http_gzip_error(ctx)); |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
222 ce->hunk = h; |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
223 ce->next = NULL; |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
224 ctx->out = ce; |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
225 ctx->last_out = &ce->next; |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
226 |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
227 ctx->crc32 = crc32(0L, Z_NULL, 0); |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
228 ctx->flush = Z_NO_FLUSH; |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
229 } |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
230 |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
231 if (in) { |
134
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
232 if (ngx_chain_add_copy(r->pool, &ctx->in, in) == NGX_ERROR) { |
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
233 return ngx_http_gzip_error(ctx); |
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
234 } |
133
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
235 } |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
236 |
141
656d468f4ead
nginx-0.0.1-2003-10-08-19:32:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
136
diff
changeset
|
237 last = NGX_NONE; |
656d468f4ead
nginx-0.0.1-2003-10-08-19:32:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
136
diff
changeset
|
238 |
135
e29909bd9b8a
nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
134
diff
changeset
|
239 for ( ;; ) { |
e29909bd9b8a
nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
134
diff
changeset
|
240 |
133
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
241 for ( ;; ) { |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
242 |
135
e29909bd9b8a
nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
134
diff
changeset
|
243 /* is there a data to gzip ? */ |
e29909bd9b8a
nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
134
diff
changeset
|
244 |
e29909bd9b8a
nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
134
diff
changeset
|
245 if (ctx->zstream.avail_in == 0 |
e29909bd9b8a
nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
134
diff
changeset
|
246 && ctx->flush == Z_NO_FLUSH |
e29909bd9b8a
nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
134
diff
changeset
|
247 && !ctx->redo) { |
e29909bd9b8a
nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
134
diff
changeset
|
248 |
e29909bd9b8a
nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
134
diff
changeset
|
249 if (ctx->in == NULL) { |
e29909bd9b8a
nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
134
diff
changeset
|
250 break; |
e29909bd9b8a
nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
134
diff
changeset
|
251 } |
e29909bd9b8a
nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
134
diff
changeset
|
252 |
133
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
253 ctx->in_hunk = ctx->in->hunk; |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
254 ctx->in = ctx->in->next; |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
255 |
136
da00cde00e8a
nginx-0.0.1-2003-10-02-09:39:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
135
diff
changeset
|
256 ctx->zstream.next_in = (unsigned char *) ctx->in_hunk->pos; |
134
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
257 ctx->zstream.avail_in = ctx->in_hunk->last - ctx->in_hunk->pos; |
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
258 |
133
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
259 if (ctx->in_hunk->type & NGX_HUNK_LAST) { |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
260 ctx->flush = Z_FINISH; |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
261 |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
262 } else if (ctx->in_hunk->type & NGX_HUNK_FLUSH) { |
134
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
263 ctx->flush = Z_SYNC_FLUSH; |
133
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
264 } |
135
e29909bd9b8a
nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
134
diff
changeset
|
265 |
e29909bd9b8a
nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
134
diff
changeset
|
266 if (ctx->zstream.avail_in == 0) { |
e29909bd9b8a
nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
134
diff
changeset
|
267 if (ctx->flush == Z_NO_FLUSH) { |
e29909bd9b8a
nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
134
diff
changeset
|
268 continue; |
e29909bd9b8a
nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
134
diff
changeset
|
269 } |
e29909bd9b8a
nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
134
diff
changeset
|
270 |
e29909bd9b8a
nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
134
diff
changeset
|
271 } else { |
e29909bd9b8a
nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
134
diff
changeset
|
272 ctx->crc32 = crc32(ctx->crc32, ctx->zstream.next_in, |
e29909bd9b8a
nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
134
diff
changeset
|
273 ctx->zstream.avail_in); |
e29909bd9b8a
nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
134
diff
changeset
|
274 } |
133
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
275 } |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
276 |
135
e29909bd9b8a
nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
134
diff
changeset
|
277 /* is there a space for the gzipped data ? */ |
e29909bd9b8a
nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
134
diff
changeset
|
278 |
134
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
279 if (ctx->zstream.avail_out == 0) { |
133
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
280 if (ctx->free) { |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
281 ctx->out_hunk = ctx->free->hunk; |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
282 ctx->free = ctx->free->next; |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
283 |
141
656d468f4ead
nginx-0.0.1-2003-10-08-19:32:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
136
diff
changeset
|
284 } else if (ctx->hunks < conf->bufs.num) { |
133
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
285 ngx_test_null(ctx->out_hunk, |
141
656d468f4ead
nginx-0.0.1-2003-10-08-19:32:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
136
diff
changeset
|
286 ngx_create_temp_hunk(r->pool, conf->bufs.size, |
133
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
287 0, 0), |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
288 ngx_http_gzip_error(ctx)); |
141
656d468f4ead
nginx-0.0.1-2003-10-08-19:32:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
136
diff
changeset
|
289 ctx->out_hunk->type |= NGX_HUNK_RECYCLED; |
134
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
290 ctx->hunks++; |
133
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
291 |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
292 } else { |
135
e29909bd9b8a
nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
134
diff
changeset
|
293 break; |
133
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
294 } |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
295 |
136
da00cde00e8a
nginx-0.0.1-2003-10-02-09:39:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
135
diff
changeset
|
296 ctx->zstream.next_out = (unsigned char *) ctx->out_hunk->pos; |
141
656d468f4ead
nginx-0.0.1-2003-10-08-19:32:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
136
diff
changeset
|
297 ctx->zstream.avail_out = conf->bufs.size; |
133
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
298 } |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
299 |
135
e29909bd9b8a
nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
134
diff
changeset
|
300 ngx_log_debug(r->connection->log, "deflate(): %08x %08x %d %d %d" _ |
e29909bd9b8a
nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
134
diff
changeset
|
301 ctx->zstream.next_in _ ctx->zstream.next_out _ |
e29909bd9b8a
nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
134
diff
changeset
|
302 ctx->zstream.avail_in _ ctx->zstream.avail_out _ ctx->flush); |
e29909bd9b8a
nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
134
diff
changeset
|
303 |
134
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
304 rc = deflate(&ctx->zstream, ctx->flush); |
133
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
305 if (rc != Z_OK && rc != Z_STREAM_END) { |
134
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
306 ngx_log_error(NGX_LOG_ALERT, r->connection->log, 0, |
133
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
307 "deflate() failed: %d, %d", ctx->flush, rc); |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
308 return ngx_http_gzip_error(ctx); |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
309 } |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
310 |
135
e29909bd9b8a
nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
134
diff
changeset
|
311 ngx_log_debug(r->connection->log, "DEFLATE(): %08x %08x %d %d %d" _ |
e29909bd9b8a
nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
134
diff
changeset
|
312 ctx->zstream.next_in _ ctx->zstream.next_out _ |
e29909bd9b8a
nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
134
diff
changeset
|
313 ctx->zstream.avail_in _ ctx->zstream.avail_out _ rc); |
134
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
314 |
136
da00cde00e8a
nginx-0.0.1-2003-10-02-09:39:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
135
diff
changeset
|
315 ctx->in_hunk->pos = (char *) ctx->zstream.next_in; |
133
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
316 |
134
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
317 if (ctx->zstream.avail_out == 0) { |
141
656d468f4ead
nginx-0.0.1-2003-10-08-19:32:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
136
diff
changeset
|
318 ctx->out_hunk->last += conf->bufs.size; |
134
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
319 ngx_add_hunk_to_chain(ce, ctx->out_hunk, r->pool, |
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
320 ngx_http_gzip_error(ctx)); |
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
321 *ctx->last_out = ce; |
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
322 ctx->last_out = &ce->next; |
135
e29909bd9b8a
nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
134
diff
changeset
|
323 ctx->redo = 1; |
133
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
324 |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
325 } else { |
136
da00cde00e8a
nginx-0.0.1-2003-10-02-09:39:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
135
diff
changeset
|
326 ctx->out_hunk->last = (char *) ctx->zstream.next_out; |
135
e29909bd9b8a
nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
134
diff
changeset
|
327 ctx->redo = 0; |
133
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
328 |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
329 if (ctx->flush == Z_SYNC_FLUSH) { |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
330 ctx->out_hunk->type |= NGX_HUNK_FLUSH; |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
331 ctx->flush = Z_NO_FLUSH; |
134
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
332 |
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
333 ngx_add_hunk_to_chain(ce, ctx->out_hunk, r->pool, |
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
334 ngx_http_gzip_error(ctx)); |
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
335 *ctx->last_out = ce; |
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
336 ctx->last_out = &ce->next; |
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
337 |
133
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
338 break; |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
339 |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
340 } else if (ctx->flush == Z_FINISH) { |
134
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
341 /* rc == Z_STREAM_END */ |
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
342 |
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
343 zin = ctx->zstream.total_in; |
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
344 zout = 10 + ctx->zstream.total_out + 8; |
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
345 |
135
e29909bd9b8a
nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
134
diff
changeset
|
346 rc = deflateEnd(&ctx->zstream); |
e29909bd9b8a
nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
134
diff
changeset
|
347 if (rc != Z_OK) { |
e29909bd9b8a
nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
134
diff
changeset
|
348 ngx_log_error(NGX_LOG_ALERT, r->connection->log, 0, |
e29909bd9b8a
nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
134
diff
changeset
|
349 "deflateEnd() failed: %d", rc); |
e29909bd9b8a
nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
134
diff
changeset
|
350 return ngx_http_gzip_error(ctx); |
e29909bd9b8a
nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
134
diff
changeset
|
351 } |
e29909bd9b8a
nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
134
diff
changeset
|
352 |
134
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
353 ctx->flush = Z_NO_FLUSH; |
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
354 |
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
355 ngx_add_hunk_to_chain(ce, ctx->out_hunk, r->pool, |
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
356 ngx_http_gzip_error(ctx)); |
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
357 *ctx->last_out = ce; |
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
358 ctx->last_out = &ce->next; |
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
359 |
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
360 if (ctx->zstream.avail_out >= 8) { |
135
e29909bd9b8a
nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
134
diff
changeset
|
361 trailer = (struct gztrailer *) ctx->out_hunk->last; |
134
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
362 ctx->out_hunk->type |= NGX_HUNK_LAST; |
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
363 ctx->out_hunk->last += 8; |
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
364 |
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
365 } else { |
135
e29909bd9b8a
nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
134
diff
changeset
|
366 ngx_test_null(h, |
e29909bd9b8a
nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
134
diff
changeset
|
367 ngx_create_temp_hunk(r->pool, 8, 0, 0), |
e29909bd9b8a
nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
134
diff
changeset
|
368 ngx_http_gzip_error(ctx)); |
e29909bd9b8a
nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
134
diff
changeset
|
369 |
e29909bd9b8a
nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
134
diff
changeset
|
370 h->type |= NGX_HUNK_LAST; |
e29909bd9b8a
nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
134
diff
changeset
|
371 |
e29909bd9b8a
nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
134
diff
changeset
|
372 ngx_test_null(ce, ngx_alloc_chain_entry(r->pool), |
e29909bd9b8a
nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
134
diff
changeset
|
373 ngx_http_gzip_error(ctx)); |
e29909bd9b8a
nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
134
diff
changeset
|
374 ce->hunk = h; |
e29909bd9b8a
nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
134
diff
changeset
|
375 ce->next = NULL; |
e29909bd9b8a
nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
134
diff
changeset
|
376 *ctx->last_out = ce; |
e29909bd9b8a
nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
134
diff
changeset
|
377 ctx->last_out = &ce->next; |
e29909bd9b8a
nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
134
diff
changeset
|
378 trailer = (struct gztrailer *) h->pos; |
e29909bd9b8a
nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
134
diff
changeset
|
379 h->last += 8; |
134
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
380 } |
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
381 |
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
382 #if (HAVE_LITTLE_ENDIAN) |
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
383 trailer->crc32 = ctx->crc32; |
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
384 trailer->zlen = zin; |
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
385 #else |
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
386 /* STUB */ |
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
387 #endif |
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
388 |
135
e29909bd9b8a
nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
134
diff
changeset
|
389 ctx->zstream.avail_in = 0; |
e29909bd9b8a
nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
134
diff
changeset
|
390 ctx->zstream.avail_out = 0; |
136
da00cde00e8a
nginx-0.0.1-2003-10-02-09:39:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
135
diff
changeset
|
391 #if 0 |
da00cde00e8a
nginx-0.0.1-2003-10-02-09:39:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
135
diff
changeset
|
392 ngx_free(ctx->alloc); |
da00cde00e8a
nginx-0.0.1-2003-10-02-09:39:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
135
diff
changeset
|
393 #endif |
135
e29909bd9b8a
nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
134
diff
changeset
|
394 ngx_http_delete_ctx(r, ngx_http_gzip_filter_module); |
136
da00cde00e8a
nginx-0.0.1-2003-10-02-09:39:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
135
diff
changeset
|
395 |
133
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
396 break; |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
397 |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
398 } else if (conf->no_buffer && ctx->in == NULL) { |
134
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
399 ngx_add_hunk_to_chain(ce, ctx->out_hunk, r->pool, |
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
400 ngx_http_gzip_error(ctx)); |
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
401 *ctx->last_out = ce; |
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
402 ctx->last_out = &ce->next; |
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
403 |
133
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
404 break; |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
405 } |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
406 } |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
407 } |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
408 |
141
656d468f4ead
nginx-0.0.1-2003-10-08-19:32:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
136
diff
changeset
|
409 if (ctx->out == NULL && last != NGX_NONE) { |
656d468f4ead
nginx-0.0.1-2003-10-08-19:32:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
136
diff
changeset
|
410 return last; |
135
e29909bd9b8a
nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
134
diff
changeset
|
411 } |
e29909bd9b8a
nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
134
diff
changeset
|
412 |
141
656d468f4ead
nginx-0.0.1-2003-10-08-19:32:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
136
diff
changeset
|
413 last = next_body_filter(r, ctx->out); |
656d468f4ead
nginx-0.0.1-2003-10-08-19:32:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
136
diff
changeset
|
414 |
656d468f4ead
nginx-0.0.1-2003-10-08-19:32:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
136
diff
changeset
|
415 if (last == NGX_ERROR) { |
133
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
416 return ngx_http_gzip_error(ctx); |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
417 } |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
418 |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
419 ngx_chain_update_chains(&ctx->free, &ctx->busy, &ctx->out); |
134
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
420 ctx->last_out = &ctx->out; |
133
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
421 } |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
422 } |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
423 |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
424 |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
425 ngx_inline static int ngx_http_gzip_error(ngx_http_gzip_ctx_t *ctx) |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
426 { |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
427 #if 0 |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
428 ngx_free(ctx->alloc); |
135
e29909bd9b8a
nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
134
diff
changeset
|
429 #else |
e29909bd9b8a
nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
134
diff
changeset
|
430 deflateEnd(&ctx->zstream); |
133
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
431 #endif |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
432 |
135
e29909bd9b8a
nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
134
diff
changeset
|
433 ctx->zstream.avail_in = 0; |
e29909bd9b8a
nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
134
diff
changeset
|
434 ctx->zstream.avail_out = 0; |
e29909bd9b8a
nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
134
diff
changeset
|
435 |
133
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
436 return NGX_ERROR; |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
437 } |
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 |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
440 static int ngx_http_gzip_filter_init(ngx_cycle_t *cycle) |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
441 { |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
442 next_header_filter = ngx_http_top_header_filter; |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
443 ngx_http_top_header_filter = ngx_http_gzip_header_filter; |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
444 |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
445 next_body_filter = ngx_http_top_body_filter; |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
446 ngx_http_top_body_filter = ngx_http_gzip_body_filter; |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
447 |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
448 return NGX_OK; |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
449 } |
134
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
450 |
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
451 |
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
452 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
|
453 { |
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
454 ngx_http_gzip_conf_t *conf; |
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
455 |
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
456 ngx_test_null(conf, |
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
457 ngx_pcalloc(cf->pool, sizeof(ngx_http_gzip_conf_t)), |
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
458 NGX_CONF_ERROR); |
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
459 |
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
460 conf->enable = NGX_CONF_UNSET; |
141
656d468f4ead
nginx-0.0.1-2003-10-08-19:32:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
136
diff
changeset
|
461 /* conf->bufs.num = 0; */ |
134
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
462 conf->no_buffer = NGX_CONF_UNSET; |
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
463 |
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
464 return conf; |
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
465 } |
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
466 |
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
467 |
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
468 static char *ngx_http_gzip_merge_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
|
469 void *parent, void *child) |
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
470 { |
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
471 ngx_http_gzip_conf_t *prev = parent; |
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
472 ngx_http_gzip_conf_t *conf = child; |
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
473 |
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
474 ngx_conf_merge_value(conf->enable, prev->enable, 0); |
141
656d468f4ead
nginx-0.0.1-2003-10-08-19:32:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
136
diff
changeset
|
475 ngx_conf_merge_bufs_value(conf->bufs, prev->bufs, 4, |
134
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
476 /* STUB: PAGE_SIZE */ 4096); |
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
477 ngx_conf_merge_value(conf->no_buffer, prev->no_buffer, 0); |
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
478 |
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
479 return NGX_CONF_OK; |
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
480 } |