Mercurial > hg > ngx_http_bytes_filter_module
annotate ngx_http_bytes_filter_module.c @ 5:be5e612dd602
More readable calculations, no functional changes.
author | Maxim Dounin <mdounin@mdounin.ru> |
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date | Thu, 03 Jul 2008 13:23:06 +0400 |
parents | ab9f96327bb6 |
children | 2e1eaf93e67e |
rev | line source |
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0
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1 |
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2 /* |
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3 * Copyright (C) Maxim Dounin |
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4 */ |
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5 |
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6 #include <ngx_config.h> |
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7 #include <ngx_core.h> |
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8 #include <ngx_http.h> |
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9 |
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10 |
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11 typedef struct { |
4 | 12 ngx_flag_t enable; |
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13 } ngx_http_bytes_conf_t; |
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14 |
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15 |
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16 typedef struct { |
4 | 17 off_t start; |
18 off_t end; | |
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19 } ngx_http_bytes_t; |
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20 |
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21 |
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22 typedef struct { |
4 | 23 off_t offset; |
24 ngx_array_t ranges; | |
25 ngx_http_bytes_t *range; | |
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26 } ngx_http_bytes_ctx_t; |
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27 |
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28 |
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29 static void *ngx_http_bytes_create_conf(ngx_conf_t *cf); |
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30 static char *ngx_http_bytes_merge_conf(ngx_conf_t *cf, void *parent, |
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31 void *child); |
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32 static ngx_int_t ngx_http_bytes_init(ngx_conf_t *cf); |
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33 |
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34 |
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35 static ngx_command_t ngx_http_bytes_commands[] = { |
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36 |
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37 { ngx_string("bytes"), |
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38 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG, |
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39 ngx_conf_set_flag_slot, |
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40 NGX_HTTP_LOC_CONF_OFFSET, |
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41 offsetof(ngx_http_bytes_conf_t, enable), |
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42 NULL }, |
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43 |
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44 ngx_null_command |
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45 }; |
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46 |
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47 |
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48 static ngx_http_module_t ngx_http_bytes_module_ctx = { |
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49 NULL, /* preconfiguration */ |
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50 ngx_http_bytes_init, /* postconfiguration */ |
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51 |
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52 NULL, /* create main configuration */ |
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53 NULL, /* init main configuration */ |
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54 |
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55 NULL, /* create server configuration */ |
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56 NULL, /* merge server configuration */ |
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57 |
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58 ngx_http_bytes_create_conf, /* create location configuration */ |
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59 ngx_http_bytes_merge_conf /* merge location configuration */ |
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60 }; |
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61 |
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62 |
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63 ngx_module_t ngx_http_bytes_filter_module = { |
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64 NGX_MODULE_V1, |
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65 &ngx_http_bytes_module_ctx, /* module context */ |
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66 ngx_http_bytes_commands, /* module directives */ |
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67 NGX_HTTP_MODULE, /* module type */ |
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68 NULL, /* init master */ |
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69 NULL, /* init module */ |
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70 NULL, /* init process */ |
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71 NULL, /* init thread */ |
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72 NULL, /* exit thread */ |
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73 NULL, /* exit process */ |
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74 NULL, /* exit master */ |
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75 NGX_MODULE_V1_PADDING |
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76 }; |
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77 |
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78 |
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79 static ngx_http_output_header_filter_pt ngx_http_next_header_filter; |
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80 static ngx_http_output_body_filter_pt ngx_http_next_body_filter; |
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81 |
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82 |
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83 static ngx_int_t |
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84 ngx_http_bytes_header_filter(ngx_http_request_t *r) |
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85 { |
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86 u_char *p, *last; |
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87 off_t start, end, len; |
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88 ngx_uint_t suffix, bad; |
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89 ngx_http_bytes_t *range; |
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90 ngx_http_bytes_conf_t *conf; |
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91 ngx_http_bytes_ctx_t *ctx; |
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92 enum { |
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93 sw_start = 0, |
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94 sw_first_byte_pos, |
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95 sw_first_byte_pos_n, |
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96 sw_last_byte_pos, |
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97 sw_last_byte_pos_n, |
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98 sw_done |
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99 } state = 0; |
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100 |
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101 conf = ngx_http_get_module_loc_conf(r, ngx_http_bytes_filter_module); |
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102 |
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103 if (!conf->enable || r->args.len == 0) { |
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104 return ngx_http_next_header_filter(r); |
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105 } |
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106 |
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107 p = (u_char *) ngx_strnstr(r->args.data, "bytes=", r->args.len); |
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108 |
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109 if (p == NULL) { |
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110 return ngx_http_next_header_filter(r); |
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111 } |
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112 |
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113 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
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114 "bytes header filter: r %p", r); |
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115 |
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116 p += sizeof("bytes=") - 1; |
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117 last = r->args.data + r->args.len; |
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118 |
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119 /* create context */ |
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120 |
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121 ctx = ngx_pcalloc(r->pool, sizeof(ngx_http_bytes_ctx_t)); |
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122 if (ctx == NULL) { |
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123 return NGX_ERROR; |
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124 } |
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125 |
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126 if (ngx_array_init(&ctx->ranges, r->pool, 1, sizeof(ngx_http_bytes_t)) |
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127 == NGX_ERROR) |
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128 { |
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129 return NGX_ERROR; |
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130 } |
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131 |
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132 /* |
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133 * bytes= contain ranges compatible with RFC 2616, "14.35.1 Byte Ranges", |
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134 * but no whitespaces permitted |
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135 */ |
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136 |
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137 bad = 0; |
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138 len = 0; |
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139 |
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140 while (p < last) { |
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141 |
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142 switch (state) { |
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143 |
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144 case sw_start: |
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145 case sw_first_byte_pos: |
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146 if (*p == '-') { |
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147 p++; |
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148 suffix = 1; |
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149 state = sw_last_byte_pos; |
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150 break; |
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151 } |
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152 suffix = 0; |
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153 start = 0; |
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154 state = sw_first_byte_pos_n; |
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155 |
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156 /* fall through */ |
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157 |
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158 case sw_first_byte_pos_n: |
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159 if (*p == '-') { |
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160 p++; |
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161 state = sw_last_byte_pos; |
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162 break; |
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163 } |
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164 if (*p < '0' || *p > '9') { |
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165 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
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166 "bytes header filter: unexpected char '%c'" |
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167 " (expected first-byte-pos)", *p); |
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168 bad = 1; |
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169 break; |
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170 } |
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171 start = start * 10 + *p - '0'; |
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172 p++; |
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173 break; |
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174 |
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175 case sw_last_byte_pos: |
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176 if (*p == ',' || *p == '&' || *p == ';') { |
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177 /* no last byte pos, assume end of file */ |
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178 end = r->headers_out.content_length_n - 1; |
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179 state = sw_done; |
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180 break; |
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181 } |
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182 end = 0; |
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183 state = sw_last_byte_pos_n; |
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184 |
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185 /* fall though */ |
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186 |
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187 case sw_last_byte_pos_n: |
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188 if (*p == ',' || *p == '&' || *p == ';') { |
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189 state = sw_done; |
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190 break; |
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191 } |
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192 if (*p < '0' || *p > '9') { |
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193 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
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194 "bytes header filter: unexpected char '%c'" |
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195 " (expected last-byte-pos)", *p); |
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196 bad = 1; |
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197 break; |
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198 } |
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199 end = end * 10 + *p - '0'; |
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200 p++; |
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201 break; |
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202 |
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203 case sw_done: |
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204 range = ngx_array_push(&ctx->ranges); |
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205 if (range == NULL) { |
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206 return NGX_ERROR; |
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207 } |
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208 |
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209 if (suffix) { |
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210 start = r->headers_out.content_length_n - end; |
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211 end = r->headers_out.content_length_n - 1; |
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212 } |
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213 |
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214 /* note: range->end isn't inclusive, while last-byte-pos is */ |
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215 |
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216 range->start = start; |
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217 range->end = end + 1; |
2
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218 len += range->end - range->start; |
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219 |
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220 if (*p == ',') { |
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221 p++; |
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222 state = sw_first_byte_pos; |
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223 break; |
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224 } |
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225 |
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226 goto done; |
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227 |
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228 } |
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229 |
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230 if (bad) { |
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231 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
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232 "bytes header filter: invalid range specification"); |
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233 return ngx_http_next_header_filter(r); |
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234 } |
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235 } |
1
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236 |
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237 switch (state) { |
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238 |
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239 case sw_last_byte_pos: |
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240 end = r->headers_out.content_length_n - 1; |
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241 |
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242 /* fall through */ |
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243 |
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244 case sw_last_byte_pos_n: |
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245 range = ngx_array_push(&ctx->ranges); |
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246 if (range == NULL) { |
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247 return NGX_ERROR; |
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248 } |
0
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249 |
1
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250 if (suffix) { |
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251 start = r->headers_out.content_length_n - end; |
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252 end = r->headers_out.content_length_n - 1; |
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253 } |
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254 |
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255 range->start = start; |
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256 range->end = end + 1; |
2
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257 len += range->end - range->start; |
1
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258 |
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259 break; |
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260 |
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261 default: |
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262 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
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263 "bytes header filter: invalid range specification"); |
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264 return ngx_http_next_header_filter(r); |
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265 |
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266 } |
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267 |
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268 done: |
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269 r->headers_out.content_length_n = len; |
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270 |
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271 ngx_http_set_ctx(r, ctx, ngx_http_bytes_filter_module); |
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272 |
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273 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
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274 "bytes header filter: new length %O", |
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275 r->headers_out.content_length_n); |
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276 |
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277 return ngx_http_next_header_filter(r); |
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278 } |
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279 |
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280 |
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281 static ngx_int_t |
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282 ngx_http_bytes_body_filter(ngx_http_request_t *r, ngx_chain_t *in) |
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283 { |
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284 off_t size; |
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285 ngx_uint_t i; |
4 | 286 ngx_chain_t **ll, *cl, *dcl; |
287 ngx_buf_t *buf, *b; | |
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288 ngx_http_bytes_ctx_t *ctx; |
4 | 289 ngx_http_bytes_t *range, *last; |
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290 |
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291 if (in == NULL) { |
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292 return ngx_http_next_body_filter(r, in); |
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293 } |
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294 |
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295 ctx = ngx_http_get_module_ctx(r, ngx_http_bytes_filter_module); |
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296 |
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297 if (ctx == NULL) { |
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298 return ngx_http_next_body_filter(r, in); |
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299 } |
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300 |
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301 buf = in->buf; |
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302 |
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303 if (ngx_buf_special(buf)) { |
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304 return ngx_http_next_body_filter(r, in); |
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305 } |
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306 |
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307 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
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308 "bytes body filter: r %p, in %p", r, in); |
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309 |
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310 range = ctx->ranges.elts; |
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311 |
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312 for (i = 0; i < ctx->ranges.nelts; i++) { |
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313 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
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314 "bytes body filter: %O-%O", range->start, range->end); |
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315 range++; |
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316 } |
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317 |
4 | 318 range = ctx->range; |
319 | |
320 if (range == NULL) { | |
321 range = ctx->range = ctx->ranges.elts; | |
322 } | |
323 | |
324 last = ctx->ranges.elts; | |
325 last += ctx->ranges.nelts; | |
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326 |
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327 #if 0 |
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328 /* ... temp, rewrite */ |
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329 |
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330 if (ctx->ranges.nelts == 1) { |
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331 |
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332 if (buf->in_file) { |
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333 buf->file_pos = range->start; |
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334 buf->file_last = range->end; |
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335 } |
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336 |
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337 if (ngx_buf_in_memory(buf)) { |
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338 buf->pos = buf->start + (size_t) range->start; |
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339 buf->last = buf->start + (size_t) range->end; |
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340 } |
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341 |
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342 return ngx_http_next_body_filter(r, in); |
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343 } |
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344 #endif |
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345 |
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346 /* ... */ |
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347 |
4 | 348 for (ll = &in, cl = in; cl; ll = &cl->next, cl = cl->next, |
349 ctx->offset += size) | |
350 { | |
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351 |
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352 buf = cl->buf; |
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353 size = ngx_buf_size(buf); |
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354 |
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355 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
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356 "bytes body filter: b %d", size); |
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357 |
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358 if (ngx_buf_special(buf)) { |
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359 /* pass out anyway */ |
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360 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
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361 "bytes body filter: special buffer"); |
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362 continue; |
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363 } |
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364 |
4 | 365 next: |
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366 if (range->start > ctx->offset + size) { |
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367 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
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368 "bytes body filter: fully ignored buffer"); |
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369 *ll = cl->next; |
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370 buf->pos = buf->last; |
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371 continue; |
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372 } |
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373 |
4 | 374 /* todo: do not create buffers/links if not needed */ |
375 | |
376 b = ngx_calloc_buf(r->pool); | |
377 if (b == NULL) { | |
378 return NGX_ERROR; | |
379 } | |
380 | |
381 b->in_file = buf->in_file; | |
382 b->temporary = buf->temporary; | |
383 b->memory = buf->memory; | |
384 b->mmap = buf->mmap; | |
385 b->file = buf->file; | |
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386 |
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387 if (buf->in_file) { |
4 | 388 b->file_pos = buf->file_pos; |
389 b->file_last = buf->file_last; | |
390 } | |
391 | |
392 if (ngx_buf_in_memory(buf)) { | |
393 b->pos = buf->pos; | |
394 b->last = buf->last; | |
395 } | |
396 | |
397 dcl = ngx_alloc_chain_link(r->pool); | |
398 if (dcl == NULL) { | |
399 return NGX_ERROR; | |
400 } | |
401 | |
402 *ll = dcl; | |
403 dcl->buf = b; | |
404 dcl->next = cl->next; | |
405 ll = &dcl->next; | |
406 | |
407 if (buf->last_buf && range == last - 1) { | |
408 b->last_buf = 1; | |
409 } | |
410 | |
411 if (b->in_file) { | |
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412 |
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413 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
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414 "bytes body filter: in file, %O-%O", |
4 | 415 b->file_pos, b->file_last); |
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416 |
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417 if (range->start > ctx->offset) { |
4 | 418 b->file_pos += range->start - ctx->offset; |
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419 } |
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420 if (range->end < ctx->offset + size) { |
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changeset
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421 b->file_last -= ctx->offset + size - range->end; |
3
3e8648918913
Body filter buffers fixup, currently limited to one range only.
Maxim Dounin <mdounin@mdounin.ru>
parents:
2
diff
changeset
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422 } |
3e8648918913
Body filter buffers fixup, currently limited to one range only.
Maxim Dounin <mdounin@mdounin.ru>
parents:
2
diff
changeset
|
423 |
3e8648918913
Body filter buffers fixup, currently limited to one range only.
Maxim Dounin <mdounin@mdounin.ru>
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2
diff
changeset
|
424 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
3e8648918913
Body filter buffers fixup, currently limited to one range only.
Maxim Dounin <mdounin@mdounin.ru>
parents:
2
diff
changeset
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425 "bytes body filter: in file fixed, %O-%O", |
4 | 426 b->file_pos, b->file_last); |
3
3e8648918913
Body filter buffers fixup, currently limited to one range only.
Maxim Dounin <mdounin@mdounin.ru>
parents:
2
diff
changeset
|
427 } |
3e8648918913
Body filter buffers fixup, currently limited to one range only.
Maxim Dounin <mdounin@mdounin.ru>
parents:
2
diff
changeset
|
428 |
4 | 429 if (ngx_buf_in_memory(b)) { |
3
3e8648918913
Body filter buffers fixup, currently limited to one range only.
Maxim Dounin <mdounin@mdounin.ru>
parents:
2
diff
changeset
|
430 |
3e8648918913
Body filter buffers fixup, currently limited to one range only.
Maxim Dounin <mdounin@mdounin.ru>
parents:
2
diff
changeset
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431 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
3e8648918913
Body filter buffers fixup, currently limited to one range only.
Maxim Dounin <mdounin@mdounin.ru>
parents:
2
diff
changeset
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432 "bytes body filter: in memory, %p-%p", |
4 | 433 b->pos, b->last); |
3
3e8648918913
Body filter buffers fixup, currently limited to one range only.
Maxim Dounin <mdounin@mdounin.ru>
parents:
2
diff
changeset
|
434 |
3e8648918913
Body filter buffers fixup, currently limited to one range only.
Maxim Dounin <mdounin@mdounin.ru>
parents:
2
diff
changeset
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435 if (range->start > ctx->offset) { |
4 | 436 b->pos += (size_t) (range->start - ctx->offset); |
3
3e8648918913
Body filter buffers fixup, currently limited to one range only.
Maxim Dounin <mdounin@mdounin.ru>
parents:
2
diff
changeset
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437 } |
5
be5e612dd602
More readable calculations, no functional changes.
Maxim Dounin <mdounin@mdounin.ru>
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4
diff
changeset
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438 if (range->end < ctx->offset + size) { |
be5e612dd602
More readable calculations, no functional changes.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4
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439 b->last -= (size_t) (ctx->offset + size - range->end); |
3
3e8648918913
Body filter buffers fixup, currently limited to one range only.
Maxim Dounin <mdounin@mdounin.ru>
parents:
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diff
changeset
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440 } |
3e8648918913
Body filter buffers fixup, currently limited to one range only.
Maxim Dounin <mdounin@mdounin.ru>
parents:
2
diff
changeset
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441 |
3e8648918913
Body filter buffers fixup, currently limited to one range only.
Maxim Dounin <mdounin@mdounin.ru>
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442 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
3e8648918913
Body filter buffers fixup, currently limited to one range only.
Maxim Dounin <mdounin@mdounin.ru>
parents:
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changeset
|
443 "bytes body filter: in memory fixed, %p-%p", |
4 | 444 b->pos, b->last); |
3
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Body filter buffers fixup, currently limited to one range only.
Maxim Dounin <mdounin@mdounin.ru>
parents:
2
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445 } |
3e8648918913
Body filter buffers fixup, currently limited to one range only.
Maxim Dounin <mdounin@mdounin.ru>
parents:
2
diff
changeset
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446 |
4 | 447 if (range->end < ctx->offset + size) { |
448 range++; | |
449 if (range < last) { | |
450 goto next; | |
451 } | |
452 } | |
3
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Body filter buffers fixup, currently limited to one range only.
Maxim Dounin <mdounin@mdounin.ru>
parents:
2
diff
changeset
|
453 } |
3e8648918913
Body filter buffers fixup, currently limited to one range only.
Maxim Dounin <mdounin@mdounin.ru>
parents:
2
diff
changeset
|
454 |
0
8aec31ab4d52
Bytes filter module skeleton, currently does nothing.
Maxim Dounin <mdounin@mdounin.ru>
parents:
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changeset
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455 return ngx_http_next_body_filter(r, in); |
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Bytes filter module skeleton, currently does nothing.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
456 } |
8aec31ab4d52
Bytes filter module skeleton, currently does nothing.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
457 |
8aec31ab4d52
Bytes filter module skeleton, currently does nothing.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
458 |
8aec31ab4d52
Bytes filter module skeleton, currently does nothing.
Maxim Dounin <mdounin@mdounin.ru>
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459 static void * |
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Bytes filter module skeleton, currently does nothing.
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changeset
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460 ngx_http_bytes_create_conf(ngx_conf_t *cf) |
8aec31ab4d52
Bytes filter module skeleton, currently does nothing.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
461 { |
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|
462 ngx_http_bytes_conf_t *conf; |
8aec31ab4d52
Bytes filter module skeleton, currently does nothing.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
463 |
8aec31ab4d52
Bytes filter module skeleton, currently does nothing.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
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464 conf = ngx_pcalloc(cf->pool, sizeof(ngx_http_bytes_conf_t)); |
8aec31ab4d52
Bytes filter module skeleton, currently does nothing.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
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465 if (conf == NULL) { |
8aec31ab4d52
Bytes filter module skeleton, currently does nothing.
Maxim Dounin <mdounin@mdounin.ru>
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466 return NGX_CONF_ERROR; |
8aec31ab4d52
Bytes filter module skeleton, currently does nothing.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
467 } |
8aec31ab4d52
Bytes filter module skeleton, currently does nothing.
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diff
changeset
|
468 |
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Bytes filter module skeleton, currently does nothing.
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diff
changeset
|
469 conf->enable = NGX_CONF_UNSET; |
8aec31ab4d52
Bytes filter module skeleton, currently does nothing.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
470 |
8aec31ab4d52
Bytes filter module skeleton, currently does nothing.
Maxim Dounin <mdounin@mdounin.ru>
parents:
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471 return conf; |
8aec31ab4d52
Bytes filter module skeleton, currently does nothing.
Maxim Dounin <mdounin@mdounin.ru>
parents:
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|
472 } |
8aec31ab4d52
Bytes filter module skeleton, currently does nothing.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
473 |
8aec31ab4d52
Bytes filter module skeleton, currently does nothing.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
474 |
8aec31ab4d52
Bytes filter module skeleton, currently does nothing.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
475 static char * |
8aec31ab4d52
Bytes filter module skeleton, currently does nothing.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
476 ngx_http_bytes_merge_conf(ngx_conf_t *cf, void *parent, void *child) |
8aec31ab4d52
Bytes filter module skeleton, currently does nothing.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
477 { |
8aec31ab4d52
Bytes filter module skeleton, currently does nothing.
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parents:
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changeset
|
478 ngx_http_bytes_conf_t *prev = parent; |
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Bytes filter module skeleton, currently does nothing.
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parents:
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|
479 ngx_http_bytes_conf_t *conf = child; |
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Bytes filter module skeleton, currently does nothing.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
480 |
8aec31ab4d52
Bytes filter module skeleton, currently does nothing.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
481 ngx_conf_merge_value(conf->enable, prev->enable, 0); |
8aec31ab4d52
Bytes filter module skeleton, currently does nothing.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
482 |
8aec31ab4d52
Bytes filter module skeleton, currently does nothing.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
483 return NGX_CONF_OK; |
8aec31ab4d52
Bytes filter module skeleton, currently does nothing.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
484 } |
8aec31ab4d52
Bytes filter module skeleton, currently does nothing.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
485 |
8aec31ab4d52
Bytes filter module skeleton, currently does nothing.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
486 |
8aec31ab4d52
Bytes filter module skeleton, currently does nothing.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
487 static ngx_int_t |
8aec31ab4d52
Bytes filter module skeleton, currently does nothing.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
488 ngx_http_bytes_init(ngx_conf_t *cf) |
8aec31ab4d52
Bytes filter module skeleton, currently does nothing.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
489 { |
8aec31ab4d52
Bytes filter module skeleton, currently does nothing.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
490 ngx_http_next_header_filter = ngx_http_top_header_filter; |
8aec31ab4d52
Bytes filter module skeleton, currently does nothing.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
491 ngx_http_top_header_filter = ngx_http_bytes_header_filter; |
8aec31ab4d52
Bytes filter module skeleton, currently does nothing.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
492 |
8aec31ab4d52
Bytes filter module skeleton, currently does nothing.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
493 ngx_http_next_body_filter = ngx_http_top_body_filter; |
8aec31ab4d52
Bytes filter module skeleton, currently does nothing.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
494 ngx_http_top_body_filter = ngx_http_bytes_body_filter; |
8aec31ab4d52
Bytes filter module skeleton, currently does nothing.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
495 |
8aec31ab4d52
Bytes filter module skeleton, currently does nothing.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
496 return NGX_OK; |
8aec31ab4d52
Bytes filter module skeleton, currently does nothing.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
497 } |