Mercurial > hg > nginx-quic
annotate src/http/ngx_http_headers.c @ 185:d5f50cefc322
nginx-0.0.1-2003-11-14-19:52:04 import
author | Igor Sysoev <igor@sysoev.ru> |
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date | Fri, 14 Nov 2003 16:52:04 +0000 |
parents | c0552e5ab567 |
children | 70e1c7d2b83d |
rev | line source |
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1 |
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2 #include <ngx_config.h> |
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3 #include <ngx_core.h> |
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4 #include <ngx_http.h> |
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5 |
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6 |
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7 ngx_http_header_t ngx_http_headers_in[] = { |
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8 { ngx_string("Host"), offsetof(ngx_http_headers_in_t, host) }, |
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9 { ngx_string("Connection"), offsetof(ngx_http_headers_in_t, connection) }, |
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10 { ngx_string("If-Modified-Since"), |
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11 offsetof(ngx_http_headers_in_t, if_modified_since) }, |
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12 { ngx_string("User-Agent"), offsetof(ngx_http_headers_in_t, user_agent) }, |
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13 { ngx_string("Referer"), offsetof(ngx_http_headers_in_t, referer) }, |
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14 |
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15 { ngx_string("Content-Length"), |
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16 offsetof(ngx_http_headers_in_t, content_length) }, |
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17 { ngx_string("Accept-Encoding"), |
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18 offsetof(ngx_http_headers_in_t, accept_encoding) }, |
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19 { ngx_string("Range"), offsetof(ngx_http_headers_in_t, range) }, |
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20 #if 0 |
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21 { ngx_string("If-Range"), offsetof(ngx_http_headers_in_t, if_range) }, |
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22 #endif |
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23 |
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24 { ngx_string("Authorization"), |
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25 offsetof(ngx_http_headers_in_t, authorization) }, |
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26 |
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27 { ngx_string("Keep-Alive"), offsetof(ngx_http_headers_in_t, keep_alive) }, |
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28 |
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29 { ngx_null_string, 0 } |
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30 }; |
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31 |
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32 |
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33 ngx_http_header_t ngx_http_headers_out[] = { |
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34 { ngx_string("Server"), offsetof(ngx_http_headers_out_t, server) }, |
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35 { ngx_string("Date"), offsetof(ngx_http_headers_out_t, date) }, |
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36 { ngx_string("Content-Type"), |
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37 offsetof(ngx_http_headers_out_t, content_type) }, |
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38 { ngx_string("Content-Length"), |
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39 offsetof(ngx_http_headers_out_t, content_length) }, |
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40 { ngx_string("Content-Encoding"), |
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41 offsetof(ngx_http_headers_out_t, content_encoding) }, |
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42 { ngx_string("Location"), offsetof(ngx_http_headers_out_t, location) }, |
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43 { ngx_string("Last-Modified"), |
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44 offsetof(ngx_http_headers_out_t, last_modified) }, |
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45 { ngx_string("Accept-Ranges"), |
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46 offsetof(ngx_http_headers_out_t, accept_ranges) }, |
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47 |
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48 { ngx_null_string, 0 } |
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49 }; |
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50 |
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51 |
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52 ngx_table_elt_t *ngx_http_add_header(void *header, |
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53 ngx_http_header_t *http_headers) |
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54 { |
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55 int i, j; |
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56 char *prev; |
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57 ngx_table_t *headers; |
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58 ngx_table_elt_t *h, *new; |
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59 |
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60 headers = *(ngx_table_t **) header; |
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61 |
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62 prev = headers->elts; |
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63 |
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64 if (!(new = ngx_push_table(headers))) { |
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65 return NULL; |
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66 } |
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67 |
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68 if (prev == headers->elts) { |
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69 return new; |
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70 } |
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71 |
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72 /* |
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73 * When table is relocated we need to update pointers in r->headers_in, |
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74 * r->headers_out, etc. However this relocation should be very rare |
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75 * because we preallocate enough space for the number of the real world |
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76 * HTTP headers. |
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77 */ |
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78 |
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79 ngx_log_error(NGX_LOG_ALERT, headers->pool->log, 0, |
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80 "header table is small, %d elements", headers->nelts - 1); |
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81 |
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82 h = headers->elts; |
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83 for (i = 0; i < headers->nelts - 1; i++) { |
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84 if (h[i].key.len == 0) { |
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85 continue; |
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86 } |
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87 |
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88 for (j = 0; http_headers[j].name.len != 0; j++) { |
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89 if (http_headers[j].name.len != h[i].key.len) { |
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90 continue; |
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91 } |
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92 |
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93 if (ngx_strcasecmp(http_headers[j].name.data, h[i].key.data) == 0) { |
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94 *((ngx_table_elt_t **) |
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95 ((char *) header + http_headers[j].offset)) = &h[i]; |
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96 break; |
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97 } |
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98 } |
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99 } |
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100 |
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101 return new; |
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102 } |
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103 |