Mercurial > hg > nginx

annotate src/http/modules/ngx_http_gzip_filter.c @ 141:656d468f4ead

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nginx-0.0.1-2003-10-08-19:32:54 import
author Igor Sysoev <igor@sysoev.ru>
date Wed, 08 Oct 2003 15:32:54 +0000
parents da00cde00e8a
children ef8c87afcfc5
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import
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1
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import
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2 #include <ngx_config.h>
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import
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3 #include <ngx_core.h>
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import
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4 #include <ngx_http.h>
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5
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import
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6 #include <zlib.h>
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import
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7
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import
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b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import
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9 typedef struct {
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656d468f4ead nginx-0.0.1-2003-10-08-19:32:54 import
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10 int enable;
656d468f4ead nginx-0.0.1-2003-10-08-19:32:54 import
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11 ngx_bufs_t bufs;
656d468f4ead nginx-0.0.1-2003-10-08-19:32:54 import
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12 int no_buffer;
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b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import
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13 } ngx_http_gzip_conf_t;
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14
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15
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import
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16 typedef struct {
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import
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17 ngx_chain_t *in;
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import
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18 ngx_chain_t *free;
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import
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19 ngx_chain_t *busy;
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import
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20 ngx_chain_t *out;
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import
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21 ngx_chain_t **last_out;
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import
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22 ngx_hunk_t *in_hunk;
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import
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23 ngx_hunk_t *out_hunk;
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d57c6835225c nginx-0.0.1-2003-09-26-09:45:21 import
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24 int hunks;
d57c6835225c nginx-0.0.1-2003-09-26-09:45:21 import
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25
d57c6835225c nginx-0.0.1-2003-09-26-09:45:21 import
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26 int length;
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b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import
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27 void *alloc;
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import
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28
135
e29909bd9b8a nginx-0.0.1-2003-09-28-23:29:06 import
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29 unsigned flush:4;
e29909bd9b8a nginx-0.0.1-2003-09-28-23:29:06 import
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30 unsigned redo:1;
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31
134
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32 u_int crc32;
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b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import
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33 z_stream zstream;
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import
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34 } ngx_http_gzip_ctx_t;
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36
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37 ngx_inline static int ngx_http_gzip_error(ngx_http_gzip_ctx_t *ctx);
133
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import
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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,
d57c6835225c nginx-0.0.1-2003-09-26-09:45:21 import
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41 void *parent, void *child);
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42
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43
d57c6835225c nginx-0.0.1-2003-09-26-09:45:21 import
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44 static ngx_command_t ngx_http_gzip_filter_commands[] = {
d57c6835225c nginx-0.0.1-2003-09-26-09:45:21 import
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45
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46 {ngx_string("gzip"),
d57c6835225c nginx-0.0.1-2003-09-26-09:45:21 import
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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
141
656d468f4ead nginx-0.0.1-2003-10-08-19:32:54 import
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53 {ngx_string("gzip_buffers"),
656d468f4ead nginx-0.0.1-2003-10-08-19:32:54 import
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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),
134
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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 };
133
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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 */
133
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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 = {
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import
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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 */
133
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87 NGX_HTTP_MODULE, /* module type */
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88 ngx_http_gzip_filter_init, /* init module */
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import
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89 NULL /* init child */
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90 };
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91
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92
134
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93 static char gzheader[10] = { 0x1f, 0x8b, Z_DEFLATED, 0, 0, 0, 0, 0, 0, 3 };
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94
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95 #if (HAVE_LITTLE_ENDIAN)
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96
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97 struct gztrailer {
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98 u_int crc32;
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99 u_int zlen;
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100 };
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101
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102 #else /* HAVE_BIG_ENDIAN */
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103
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104 struct gztrailer {
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105 unsigned char crc32[4];
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106 unsigned char zlen[4];
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107 };
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108
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109 #endif
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110
133
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111
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112
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113 static int (*next_header_filter) (ngx_http_request_t *r);
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114 static int (*next_body_filter) (ngx_http_request_t *r, ngx_chain_t *ch);
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115
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116
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117 static int ngx_http_gzip_header_filter(ngx_http_request_t *r)
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118 {
134
d57c6835225c nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents: 133
diff changeset
119 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
120 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
121
135
e29909bd9b8a nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents: 134
diff changeset
122 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
123
e29909bd9b8a nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents: 134
diff changeset
124 if (!conf->enable
e29909bd9b8a nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents: 134
diff changeset
125 || 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
126 || 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
127 || r->main
e29909bd9b8a nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents: 134
diff changeset
128 /* 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
129 || (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
130 && 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
131 || 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
132 || 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
133 )
134
d57c6835225c nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents: 133
diff changeset
134 {
d57c6835225c nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents: 133
diff changeset
135 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
136 }
d57c6835225c nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents: 133
diff changeset
137
135
e29909bd9b8a nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents: 134
diff changeset
138 /* 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
139 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
140 && 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
141 "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
142 {
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
143 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
144 }
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
145
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
146 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
147 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
148
135
e29909bd9b8a nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents: 134
diff changeset
149 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
150 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
151 NGX_ERROR);
e29909bd9b8a nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents: 134
diff changeset
152
e29909bd9b8a nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents: 134
diff changeset
153 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
154 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
155 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
156 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
157
133
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
158 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
159 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
160 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
161
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
162 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
163 }
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
164
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 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
167 {
141
656d468f4ead nginx-0.0.1-2003-10-08-19:32:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 136
diff changeset
168 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
169 struct gztrailer *trailer;
d57c6835225c nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents: 133
diff changeset
170 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
171 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
172 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
173 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
174
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
175 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
176
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
177 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
178 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
179 }
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
180
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
181 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
182
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
183 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
184 wbits = MAX_WBITS;
da00cde00e8a nginx-0.0.1-2003-10-02-09:39:37 import
Igor Sysoev <igor@sysoev.ru>
parents: 135
diff changeset
185 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
186
da00cde00e8a nginx-0.0.1-2003-10-02-09:39:37 import
Igor Sysoev <igor@sysoev.ru>
parents: 135
diff changeset
187 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
188
da00cde00e8a nginx-0.0.1-2003-10-02-09:39:37 import
Igor Sysoev <igor@sysoev.ru>
parents: 135
diff changeset
189 /* 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
190
da00cde00e8a nginx-0.0.1-2003-10-02-09:39:37 import
Igor Sysoev <igor@sysoev.ru>
parents: 135
diff changeset
191 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
192 wbits--;
da00cde00e8a nginx-0.0.1-2003-10-02-09:39:37 import
Igor Sysoev <igor@sysoev.ru>
parents: 135
diff changeset
193 mem_level--;
da00cde00e8a nginx-0.0.1-2003-10-02-09:39:37 import
Igor Sysoev <igor@sysoev.ru>
parents: 135
diff changeset
194 }
da00cde00e8a nginx-0.0.1-2003-10-02-09:39:37 import
Igor Sysoev <igor@sysoev.ru>
parents: 135
diff changeset
195 }
da00cde00e8a nginx-0.0.1-2003-10-02-09:39:37 import
Igor Sysoev <igor@sysoev.ru>
parents: 135
diff changeset
196
133
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
197 #if 0
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
198 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
199 #else
134
d57c6835225c nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents: 133
diff changeset
200 ctx->alloc = (void *) ~NULL;
133
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
201 #endif
136
da00cde00e8a nginx-0.0.1-2003-10-02-09:39:37 import
Igor Sysoev <igor@sysoev.ru>
parents: 135
diff changeset
202
133
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
203 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
204 -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
205
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
206 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
207 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
208 "deflateInit2() failed: %d", rc);
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
209 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
210 }
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
211
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
212 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
213
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
214 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
215 h->pos = gzheader;
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
216 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
217
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
218 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
219 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
220 ce->hunk = h;
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
221 ce->next = NULL;
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
222 ctx->out = ce;
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
223 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
224
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
225 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
226 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
227 }
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
228
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
229 if (in) {
134
d57c6835225c nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents: 133
diff changeset
230 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
231 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
232 }
133
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
233 }
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
234
141
656d468f4ead nginx-0.0.1-2003-10-08-19:32:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 136
diff changeset
235 last = NGX_NONE;
656d468f4ead nginx-0.0.1-2003-10-08-19:32:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 136
diff changeset
236
135
e29909bd9b8a nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents: 134
diff changeset
237 for ( ;; ) {
e29909bd9b8a nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents: 134
diff changeset
238
133
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
239 for ( ;; ) {
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
240
135
e29909bd9b8a nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents: 134
diff changeset
241 /* 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
242
e29909bd9b8a nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents: 134
diff changeset
243 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
244 && 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
245 && !ctx->redo) {
e29909bd9b8a nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents: 134
diff changeset
246
e29909bd9b8a nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents: 134
diff changeset
247 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
248 break;
e29909bd9b8a nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents: 134
diff changeset
249 }
e29909bd9b8a nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents: 134
diff changeset
250
133
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
251 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
252 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
253
136
da00cde00e8a nginx-0.0.1-2003-10-02-09:39:37 import
Igor Sysoev <igor@sysoev.ru>
parents: 135
diff changeset
254 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
255 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
256
133
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
257 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
258 ctx->flush = Z_FINISH;
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
259
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
260 } 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
261 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
262 }
135
e29909bd9b8a nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents: 134
diff changeset
263
e29909bd9b8a nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents: 134
diff changeset
264 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
265 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
266 continue;
e29909bd9b8a nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents: 134
diff changeset
267 }
e29909bd9b8a nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents: 134
diff changeset
268
e29909bd9b8a nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents: 134
diff changeset
269 } else {
e29909bd9b8a nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents: 134
diff changeset
270 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
271 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
272 }
133
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
273 }
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
274
135
e29909bd9b8a nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents: 134
diff changeset
275 /* 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
276
134
d57c6835225c nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents: 133
diff changeset
277 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
278 if (ctx->free) {
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
279 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
280 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
281
141
656d468f4ead nginx-0.0.1-2003-10-08-19:32:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 136
diff changeset
282 } 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
283 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
284 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
285 0, 0),
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
286 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
287 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
288 ctx->hunks++;
133
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
289
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
290 } else {
135
e29909bd9b8a nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents: 134
diff changeset
291 break;
133
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
292 }
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
293
136
da00cde00e8a nginx-0.0.1-2003-10-02-09:39:37 import
Igor Sysoev <igor@sysoev.ru>
parents: 135
diff changeset
294 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
295 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
296 }
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
297
135
e29909bd9b8a nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents: 134
diff changeset
298 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
299 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
300 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
301
134
d57c6835225c nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents: 133
diff changeset
302 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
303 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
304 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
305 "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
306 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
307 }
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
308
135
e29909bd9b8a nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents: 134
diff changeset
309 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
310 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
311 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
312
136
da00cde00e8a nginx-0.0.1-2003-10-02-09:39:37 import
Igor Sysoev <igor@sysoev.ru>
parents: 135
diff changeset
313 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
314
134
d57c6835225c nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents: 133
diff changeset
315 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
316 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
317 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
318 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
319 *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
320 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
321 ctx->redo = 1;
133
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
322
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
323 } else {
136
da00cde00e8a nginx-0.0.1-2003-10-02-09:39:37 import
Igor Sysoev <igor@sysoev.ru>
parents: 135
diff changeset
324 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
325 ctx->redo = 0;
133
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
326
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
327 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
328 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
329 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
330
d57c6835225c nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents: 133
diff changeset
331 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
332 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
333 *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
334 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
335
133
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
336 break;
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
337
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
338 } 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
339 /* 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
340
d57c6835225c nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents: 133
diff changeset
341 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
342 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
343
135
e29909bd9b8a nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents: 134
diff changeset
344 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
345 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
346 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
347 "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
348 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
349 }
e29909bd9b8a nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents: 134
diff changeset
350
134
d57c6835225c nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents: 133
diff changeset
351 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
352
d57c6835225c nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents: 133
diff changeset
353 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
354 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
355 *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
356 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
357
d57c6835225c nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents: 133
diff changeset
358 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
359 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
360 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
361 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
362
d57c6835225c nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents: 133
diff changeset
363 } else {
135
e29909bd9b8a nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents: 134
diff changeset
364 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
365 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
366 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
367
e29909bd9b8a nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents: 134
diff changeset
368 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
369
e29909bd9b8a nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents: 134
diff changeset
370 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
371 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
372 ce->hunk = h;
e29909bd9b8a nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents: 134
diff changeset
373 ce->next = NULL;
e29909bd9b8a nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents: 134
diff changeset
374 *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
375 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
376 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
377 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
378 }
d57c6835225c nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents: 133
diff changeset
379
d57c6835225c nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents: 133
diff changeset
380 #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
381 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
382 trailer->zlen = zin;
d57c6835225c nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents: 133
diff changeset
383 #else
d57c6835225c nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents: 133
diff changeset
384 /* STUB */
d57c6835225c nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents: 133
diff changeset
385 #endif
d57c6835225c nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents: 133
diff changeset
386
135
e29909bd9b8a nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents: 134
diff changeset
387 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
388 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
389 #if 0
da00cde00e8a nginx-0.0.1-2003-10-02-09:39:37 import
Igor Sysoev <igor@sysoev.ru>
parents: 135
diff changeset
390 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
391 #endif
135
e29909bd9b8a nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents: 134
diff changeset
392 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
393
133
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
394 break;
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
395
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
396 } 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
397 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
398 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
399 *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
400 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
401
133
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
402 break;
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
403 }
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
404 }
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
141
656d468f4ead nginx-0.0.1-2003-10-08-19:32:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 136
diff changeset
407 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
408 return last;
135
e29909bd9b8a nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents: 134
diff changeset
409 }
e29909bd9b8a nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents: 134
diff changeset
410
141
656d468f4ead nginx-0.0.1-2003-10-08-19:32:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 136
diff changeset
411 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
412
656d468f4ead nginx-0.0.1-2003-10-08-19:32:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 136
diff changeset
413 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
414 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
415 }
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
416
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
417 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
418 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
419 }
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
420 }
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 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
424 {
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
425 #if 0
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
426 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
427 #else
e29909bd9b8a nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents: 134
diff changeset
428 deflateEnd(&ctx->zstream);
133
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
429 #endif
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
430
135
e29909bd9b8a nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents: 134
diff changeset
431 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
432 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
433
133
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
434 return NGX_ERROR;
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
435 }
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
436
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 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
439 {
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
440 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
441 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
442
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
443 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
444 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
445
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
446 return NGX_OK;
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
447 }
134
d57c6835225c nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents: 133
diff changeset
448
d57c6835225c nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents: 133
diff changeset
449
d57c6835225c nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents: 133
diff changeset
450 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
451 {
d57c6835225c nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents: 133
diff changeset
452 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
453
d57c6835225c nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents: 133
diff changeset
454 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
455 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
456 NGX_CONF_ERROR);
d57c6835225c nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents: 133
diff changeset
457
d57c6835225c nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents: 133
diff changeset
458 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
459 /* 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
460 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
461
d57c6835225c nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents: 133
diff changeset
462 return conf;
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
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 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
467 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
468 {
d57c6835225c nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents: 133
diff changeset
469 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
470 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
471
d57c6835225c nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents: 133
diff changeset
472 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
473 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
474 /* 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
475 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
476
d57c6835225c nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents: 133
diff changeset
477 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
478 }