Mercurial > hg > nginx-quic
annotate src/http/modules/ngx_http_gzip_filter.c @ 133:b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
author | Igor Sysoev <igor@sysoev.ru> |
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date | Wed, 24 Sep 2003 19:51:12 +0000 |
parents | |
children | d57c6835225c |
rev | line source |
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133
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nginx-0.0.1-2003-09-24-23:51:12 import
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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 hunk_size; |
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11 int max_hunks; |
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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 void *alloc; |
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25 |
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26 z_stream zstream; |
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27 } ngx_http_gzip_ctx_t; |
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28 |
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29 |
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30 static int ngx_http_gzip_filter_init(ngx_cycle_t *cycle); |
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31 |
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32 |
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33 static ngx_http_module_t ngx_http_gzip_filter_module_ctx = { |
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34 NULL, /* create main configuration */ |
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35 NULL, /* init main configuration */ |
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36 |
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37 NULL, /* create server configuration */ |
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38 NULL, /* merge server configuration */ |
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39 |
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40 NULL, /* create location configuration */ |
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41 NULL, /* merge location configuration */ |
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42 }; |
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43 |
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44 |
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45 ngx_module_t ngx_http_gzip_filter_module = { |
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46 NGX_MODULE, |
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47 &ngx_http_gzip_filter_module_ctx, /* module context */ |
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48 NULL, /* module directives */ |
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49 NGX_HTTP_MODULE, /* module type */ |
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50 ngx_http_gzip_filter_init, /* init module */ |
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51 NULL /* init child */ |
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52 }; |
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53 |
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54 |
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55 static const char gzheader[10] = |
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56 { 0x1f, 0x8b, Z_DEFLATED, 0, 0, 0, 0, 0, 0, 3 }; |
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57 |
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58 |
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59 static int (*next_header_filter) (ngx_http_request_t *r); |
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60 static int (*next_body_filter) (ngx_http_request_t *r, ngx_chain_t *ch); |
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61 |
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62 |
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63 static int ngx_http_gzip_header_filter(ngx_http_request_t *r) |
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64 { |
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65 if (r->headers_out.status != NGX_HTTP_OK |
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66 || (ngx_strncasecmp(r->headers_out.content_type->value.data, |
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67 "text/", 5) != 0) |
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68 { |
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69 return next_header_filter(r); |
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70 } |
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71 |
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72 ngx_http_create_ctx(r, ctx, ngx_http_gzip_filter_module, |
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73 sizeof(ngx_http_gzip_filter_ctx_t), NGX_ERROR); |
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74 |
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75 ctx->length = r->headers_out.content_length; |
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76 r->headers_out.content_length = -1; |
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77 |
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78 return next_header_filter(r); |
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79 } |
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80 |
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81 |
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82 static int ngx_http_gzip_body_filter(ngx_http_request_t *r, ngx_chain_t *in) |
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83 { |
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84 ngx_http_gzip_ctx_t *ctx; |
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85 ngx_http_gzip_conf_t *conf; |
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86 |
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87 ctx = ngx_http_get_module_ctx(r, ngx_http_gzip_filter_module); |
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88 |
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89 if (ctx == NULL) { |
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90 next_body_filter(r, in); |
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91 } |
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92 |
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93 conf = ngx_http_get_module_loc_conf(r, ngx_http_gzip_filter_module); |
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94 |
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95 if (ctx->alloc == NULL) { |
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96 #if 0 |
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97 ngx_test_null(ctx->alloc, ngx_alloc(200K, r->log), NGX_ERROR); |
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98 #else |
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99 ctx->alloc = ~NULL; |
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100 #endif |
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101 rc = deflateInit2(&ctx->zstream, /**/ 1, Z_DEFLATED, |
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102 /**/ -MAX_WBITS, /**/ MAX_MEM_LEVEL - 1, |
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103 Z_DEFAULT_STRATEGY); |
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104 |
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105 if (rc != Z_OK) { |
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106 ngx_log_error(NGX_LOG_ALERT, r->log, 0, |
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107 "deflateInit2() failed: %d", rc); |
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108 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
|
109 } |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
110 |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
111 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
|
112 |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
113 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
|
114 h->pos = gzheader; |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
115 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
|
116 |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
117 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
|
118 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
|
119 ce->hunk = h; |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
120 ce->next = NULL; |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
121 ctx->out = ce; |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
122 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
|
123 |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
124 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
|
125 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
|
126 } |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
127 |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
128 if (in) { |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
129 add_to_chain(ctx->in, in) |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
130 } |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
131 |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
132 for ( ;; ) { |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
133 |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
134 for ( ;; ) { |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
135 |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
136 if (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
|
137 && ctx->zstream->avail_in == 0 |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
138 && ctx->in) |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
139 { |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
140 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
|
141 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
|
142 |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
143 ctx->zstream->next_in = ctx->in_hunk->pos; |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
144 ctx->zstream->avail_in = ctx->in_hunk->last - ctx->in_hunk->pos; |
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 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
|
147 ctx->flush = Z_FINISH; |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
148 |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
149 } else if (ctx->in_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
|
150 ctx->flush = Z_SYNC_FINISH; |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
151 } |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
152 } |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
153 |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
154 if (ctx->zstream->avail_out == 0) { |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
155 if (ctx->free) { |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
156 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
|
157 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
|
158 |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
159 } else if (ctx->max_hunks < ctx->cur_hunks) { |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
160 ngx_test_null(ctx->out_hunk, |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
161 ngx_create_temp_hunk(r->pool, conf->size, |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
162 0, 0), |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
163 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
|
164 ctx->cur_hunks++; |
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 } else { |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
167 break; |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
168 } |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
169 |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
170 ctx->zstream->next_out = ctx->out_hunk->pos; |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
171 ctx->zstream->avail_out = conf->size; |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
172 } |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
173 |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
174 rc = deflate(ctx->zstream, ctx->flush); |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
175 if (rc != Z_OK && rc != Z_STREAM_END) { |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
176 ngx_log_error(NGX_LOG_ALERT, r->log, 0, |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
177 "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
|
178 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
|
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 ctx->in_hunk->pos = ctx->zstream->next_in; |
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 (rc == Z_STREAM_END) { |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
184 deflateEnd(ctx->zstream); |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
185 ngx_free(); |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
186 } |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
187 |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
188 if (ctx->zstream->avail_out == 0) { |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
189 ctx->out_hunk->last += conf->size; |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
190 ngx_add_hunk_to_chain(*ctx->last_out, ctx->out_hunk, |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
191 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
|
192 |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
193 } else { |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
194 ctx->out_hunk->last = ctx->zstream->next_out; |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
195 |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
196 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
|
197 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
|
198 ngx_add_hunk_to_chain(*ctx->last_out, ctx->out_hunk, |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
199 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
|
200 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
|
201 break; |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
202 |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
203 } else if (ctx->flush == Z_FINISH) { |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
204 ctx->out_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
|
205 ngx_add_hunk_to_chain(*ctx->last_out, ctx->out_hunk, |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
206 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
|
207 break; |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
208 |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
209 } else if (conf->no_buffer && ctx->in == NULL) { |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
210 ngx_add_hunk_to_chain(*ctx->last_out, ctx->out_hunk, |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
211 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
|
212 break; |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
213 } |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
214 } |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
215 } |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
216 |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
217 if (next_body_filter(r, ctx->out) == NGX_ERROR) { |
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218 return ngx_http_gzip_error(ctx); |
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219 } |
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220 |
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nginx-0.0.1-2003-09-24-23:51:12 import
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221 ngx_chain_update_chains(&ctx->free, &ctx->busy, &ctx->out); |
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nginx-0.0.1-2003-09-24-23:51:12 import
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222 } |
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223 } |
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nginx-0.0.1-2003-09-24-23:51:12 import
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224 |
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nginx-0.0.1-2003-09-24-23:51:12 import
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225 |
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nginx-0.0.1-2003-09-24-23:51:12 import
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226 ngx_inline static int ngx_http_gzip_error(ngx_http_gzip_ctx_t *ctx) |
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227 { |
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228 #if 0 |
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nginx-0.0.1-2003-09-24-23:51:12 import
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229 ngx_free(ctx->alloc); |
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nginx-0.0.1-2003-09-24-23:51:12 import
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230 #endif |
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nginx-0.0.1-2003-09-24-23:51:12 import
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231 |
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232 return NGX_ERROR; |
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nginx-0.0.1-2003-09-24-23:51:12 import
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233 } |
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nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
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234 |
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nginx-0.0.1-2003-09-24-23:51:12 import
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235 |
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nginx-0.0.1-2003-09-24-23:51:12 import
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236 static int ngx_http_gzip_filter_init(ngx_cycle_t *cycle) |
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nginx-0.0.1-2003-09-24-23:51:12 import
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237 { |
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nginx-0.0.1-2003-09-24-23:51:12 import
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238 next_header_filter = ngx_http_top_header_filter; |
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nginx-0.0.1-2003-09-24-23:51:12 import
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239 ngx_http_top_header_filter = ngx_http_gzip_header_filter; |
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nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
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240 |
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nginx-0.0.1-2003-09-24-23:51:12 import
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241 next_body_filter = ngx_http_top_body_filter; |
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nginx-0.0.1-2003-09-24-23:51:12 import
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242 ngx_http_top_body_filter = ngx_http_gzip_body_filter; |
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nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
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243 |
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nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
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244 return NGX_OK; |
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nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
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245 } |