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annotate src/http/ngx_http_headers.c @ 169:edf29bb717da

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
nginx-0.0.1-2003-10-31-19:05:33 import
author Igor Sysoev <igor@sysoev.ru>
date Fri, 31 Oct 2003 16:05:33 +0000
parents 894a01c6aea3
children caa57ddf6d77
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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894a01c6aea3 nginx-0.0.1-2003-10-29-20:39:05 import
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1
894a01c6aea3 nginx-0.0.1-2003-10-29-20:39:05 import
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2 #include <ngx_config.h>
894a01c6aea3 nginx-0.0.1-2003-10-29-20:39:05 import
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3 #include <ngx_core.h>
894a01c6aea3 nginx-0.0.1-2003-10-29-20:39:05 import
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4 #include <ngx_http.h>
894a01c6aea3 nginx-0.0.1-2003-10-29-20:39:05 import
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5
894a01c6aea3 nginx-0.0.1-2003-10-29-20:39:05 import
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6
894a01c6aea3 nginx-0.0.1-2003-10-29-20:39:05 import
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7 ngx_http_header_t ngx_http_headers_in[] = {
894a01c6aea3 nginx-0.0.1-2003-10-29-20:39:05 import
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8 { ngx_string("Host"), offsetof(ngx_http_headers_in_t, host) },
894a01c6aea3 nginx-0.0.1-2003-10-29-20:39:05 import
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9 { ngx_string("Connection"), offsetof(ngx_http_headers_in_t, connection) },
894a01c6aea3 nginx-0.0.1-2003-10-29-20:39:05 import
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10 { ngx_string("If-Modified-Since"),
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11 offsetof(ngx_http_headers_in_t, if_modified_since) },
894a01c6aea3 nginx-0.0.1-2003-10-29-20:39:05 import
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12 { ngx_string("User-Agent"), offsetof(ngx_http_headers_in_t, user_agent) },
894a01c6aea3 nginx-0.0.1-2003-10-29-20:39:05 import
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13
894a01c6aea3 nginx-0.0.1-2003-10-29-20:39:05 import
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14 { ngx_string("Content-Length"),
894a01c6aea3 nginx-0.0.1-2003-10-29-20:39:05 import
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15 offsetof(ngx_http_headers_in_t, content_length) },
894a01c6aea3 nginx-0.0.1-2003-10-29-20:39:05 import
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16 { ngx_string("Accept-Encoding"),
894a01c6aea3 nginx-0.0.1-2003-10-29-20:39:05 import
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17 offsetof(ngx_http_headers_in_t, accept_encoding) },
894a01c6aea3 nginx-0.0.1-2003-10-29-20:39:05 import
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18 { ngx_string("Range"), offsetof(ngx_http_headers_in_t, range) },
894a01c6aea3 nginx-0.0.1-2003-10-29-20:39:05 import
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19 #if 0
894a01c6aea3 nginx-0.0.1-2003-10-29-20:39:05 import
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20 { ngx_string("If-Range"), offsetof(ngx_http_headers_in_t, if_range) },
894a01c6aea3 nginx-0.0.1-2003-10-29-20:39:05 import
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21 #endif
894a01c6aea3 nginx-0.0.1-2003-10-29-20:39:05 import
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22
894a01c6aea3 nginx-0.0.1-2003-10-29-20:39:05 import
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23 { ngx_string("Keep-Alive"), offsetof(ngx_http_headers_in_t, keep_alive) },
894a01c6aea3 nginx-0.0.1-2003-10-29-20:39:05 import
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24
894a01c6aea3 nginx-0.0.1-2003-10-29-20:39:05 import
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25 { ngx_null_string, 0 }
894a01c6aea3 nginx-0.0.1-2003-10-29-20:39:05 import
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26 };
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894a01c6aea3 nginx-0.0.1-2003-10-29-20:39:05 import
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29 ngx_http_header_t ngx_http_headers_out[] = {
894a01c6aea3 nginx-0.0.1-2003-10-29-20:39:05 import
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30 { ngx_string("Server"), offsetof(ngx_http_headers_out_t, server) },
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31 { ngx_string("Date"), offsetof(ngx_http_headers_out_t, date) },
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32 { ngx_string("Content-Type"),
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33 offsetof(ngx_http_headers_out_t, content_type) },
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34 { ngx_string("Content-Length"),
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35 offsetof(ngx_http_headers_out_t, content_length) },
894a01c6aea3 nginx-0.0.1-2003-10-29-20:39:05 import
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36 { ngx_string("Content-Encoding"),
894a01c6aea3 nginx-0.0.1-2003-10-29-20:39:05 import
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37 offsetof(ngx_http_headers_out_t, content_encoding) },
894a01c6aea3 nginx-0.0.1-2003-10-29-20:39:05 import
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38 { ngx_string("Location"), offsetof(ngx_http_headers_out_t, location) },
894a01c6aea3 nginx-0.0.1-2003-10-29-20:39:05 import
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39 { ngx_string("Last-Modified"),
894a01c6aea3 nginx-0.0.1-2003-10-29-20:39:05 import
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40 offsetof(ngx_http_headers_out_t, last_modified) },
894a01c6aea3 nginx-0.0.1-2003-10-29-20:39:05 import
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41 { ngx_string("Accept-Ranges"),
894a01c6aea3 nginx-0.0.1-2003-10-29-20:39:05 import
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42 offsetof(ngx_http_headers_out_t, accept_ranges) },
894a01c6aea3 nginx-0.0.1-2003-10-29-20:39:05 import
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43
894a01c6aea3 nginx-0.0.1-2003-10-29-20:39:05 import
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44 { ngx_null_string, 0 }
894a01c6aea3 nginx-0.0.1-2003-10-29-20:39:05 import
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45 };
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894a01c6aea3 nginx-0.0.1-2003-10-29-20:39:05 import
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48 ngx_table_elt_t *ngx_http_add_header(void *header,
894a01c6aea3 nginx-0.0.1-2003-10-29-20:39:05 import
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49 ngx_http_header_t *http_headers)
894a01c6aea3 nginx-0.0.1-2003-10-29-20:39:05 import
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50 {
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edf29bb717da nginx-0.0.1-2003-10-31-19:05:33 import
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51 int i, j;
165
894a01c6aea3 nginx-0.0.1-2003-10-29-20:39:05 import
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52 char *prev;
894a01c6aea3 nginx-0.0.1-2003-10-29-20:39:05 import
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53 ngx_table_t *headers;
894a01c6aea3 nginx-0.0.1-2003-10-29-20:39:05 import
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54 ngx_table_elt_t *h, *new;
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55
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56 headers = *(ngx_table_t **) header;
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57
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58 prev = headers->elts;
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59
894a01c6aea3 nginx-0.0.1-2003-10-29-20:39:05 import
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60 if (!(new = ngx_push_table(headers))) {
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61 return NULL;
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62 }
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63
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64 if (prev == headers->elts) {
894a01c6aea3 nginx-0.0.1-2003-10-29-20:39:05 import
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65 return new;
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66 }
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67
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68 /*
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69 * When table is relocated we need to update pointers in r->headers_in,
894a01c6aea3 nginx-0.0.1-2003-10-29-20:39:05 import
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70 * r->headers_out, etc. However this relocation should be very rare
894a01c6aea3 nginx-0.0.1-2003-10-29-20:39:05 import
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71 * because we preallocate enough space for the number of the real world
894a01c6aea3 nginx-0.0.1-2003-10-29-20:39:05 import
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72 * HTTP headers.
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73 */
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74
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75 ngx_log_error(NGX_LOG_ALERT, headers->pool->log, 0,
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edf29bb717da nginx-0.0.1-2003-10-31-19:05:33 import
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76 "header table is small, %d elements", headers->nelts - 1);
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77
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78 h = headers->elts;
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79 for (i = 0; i < headers->nelts - 1; i++) {
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80 if (h[i].key.len == 0) {
894a01c6aea3 nginx-0.0.1-2003-10-29-20:39:05 import
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81 continue;
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82 }
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83
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84 for (j = 0; http_headers[j].name.len != 0; j++) {
894a01c6aea3 nginx-0.0.1-2003-10-29-20:39:05 import
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85 if (http_headers[j].name.len != h[i].key.len) {
894a01c6aea3 nginx-0.0.1-2003-10-29-20:39:05 import
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86 continue;
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87 }
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88
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89 if (ngx_strcasecmp(http_headers[j].name.data, h[i].key.data) == 0) {
894a01c6aea3 nginx-0.0.1-2003-10-29-20:39:05 import
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90 *((ngx_table_elt_t **)
894a01c6aea3 nginx-0.0.1-2003-10-29-20:39:05 import
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91 ((char *) header + http_headers[j].offset)) = &h[i];
894a01c6aea3 nginx-0.0.1-2003-10-29-20:39:05 import
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92 break;
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93 }
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94 }
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95 }
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96
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97 return new;
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98 }
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99