Mercurial > hg > nginx
annotate src/http/ngx_http_header_filter.c @ 13:2aba961a1d34
nginx-0.0.1-2002-09-16-19:01:44 import
author | Igor Sysoev <igor@sysoev.ru> |
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date | Mon, 16 Sep 2002 15:01:44 +0000 |
parents | 4f3879d9b6f6 |
children | d7908993fdeb |
rev | line source |
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1 |
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2 #include <nginx.h> |
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4 #include <ngx_config.h> |
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5 #include <ngx_core.h> |
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6 #include <ngx_string.h> |
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7 #include <ngx_hunk.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 { |
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12 int len; |
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13 char *line; |
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14 } line; |
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15 |
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16 |
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17 static line http_codes[] = { |
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18 { 6, "200 OK" } |
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19 }; |
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20 |
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21 |
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22 |
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23 int ngx_http_header_filter(ngx_http_request_t *r) |
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24 { |
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25 int status; |
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26 ngx_hunk_t *h; |
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27 ngx_chain_t *ch; |
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28 |
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29 ngx_test_null(h, ngx_create_temp_hunk(r->pool, 1024, 0, 64), |
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30 NGX_ERROR); |
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31 |
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32 status = r->headers_out->status - NGX_HTTP_OK; |
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33 |
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34 ngx_memcpy(h->last.mem, "HTTP/1.1 ", 9); |
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35 h->last.mem += 9; |
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36 ngx_memcpy(h->last.mem, http_codes[status].line, http_codes[status].len); |
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37 h->last.mem += http_codes[status].len; |
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38 *(h->last.mem++) = CR; *(h->last.mem++) = LF; |
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39 |
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40 #if 1 |
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41 r->keepalive = 1; |
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42 ngx_memcpy(h->last.mem, "Connection: keep-alive" CRLF, 24); |
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43 h->last.mem += 24; |
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44 #endif |
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45 |
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46 /* |
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47 ngx_memcpy(h->last.mem, "Date: ", 6); |
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48 h->last.mem += 6; |
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49 h->last.mem += ngx_http_get_time(h->last.mem, time(NULL)); |
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50 *(h->last.mem++) = CR; *(h->last.mem++) = LF; |
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51 */ |
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52 |
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53 /* 2^64 is 20 characters */ |
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54 if (r->headers_out->content_length) |
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55 h->last.mem += ngx_snprintf(h->last.mem, 49, "Content-Length: %d" CRLF, |
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56 r->headers_out->content_length); |
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57 |
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58 /* check */ |
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59 |
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60 if (r->headers_out->content_type) |
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61 h->last.mem += ngx_snprintf(h->last.mem, 100, "Content-Type: %s" CRLF, |
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62 r->headers_out->content_type); |
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63 |
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64 ngx_memcpy(h->last.mem, "Server: ", 8); |
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65 h->last.mem += 8; |
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66 if (r->headers_out->server) { |
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67 h->last.mem = ngx_cpystrn(h->last.mem, r->headers_out->server, |
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68 h->end - h->last.mem); |
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69 /* check space */ |
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70 |
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71 } else { |
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72 ngx_memcpy(h->last.mem, NGINX_VER, sizeof(NGINX_VER) - 1); |
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73 h->last.mem += sizeof(NGINX_VER) - 1; |
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74 } |
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75 *(h->last.mem++) = CR; *(h->last.mem++) = LF; |
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76 |
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77 /* end of HTTP header */ |
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78 *(h->last.mem++) = CR; *(h->last.mem++) = LF; |
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79 |
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80 ngx_test_null(ch, ngx_palloc(r->pool, sizeof(ngx_chain_t)), |
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81 /* STUB */ |
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82 -1); |
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83 /* |
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84 NGX_HTTP_FILTER_ERROR); |
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85 */ |
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86 |
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87 ch->hunk = h; |
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88 ch->next = NULL; |
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89 |
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90 return ngx_http_write_filter(r, ch); |
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91 } |