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annotate src/http/modules/ngx_http_header_filter.c @ 2:ffffe1499bce

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nginx-0.0.1-2002-08-16-19:27:03 import
author Igor Sysoev <igor@sysoev.ru>
date Fri, 16 Aug 2002 15:27:03 +0000
parents d220029ac7f3
children 34a521b1a148
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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d220029ac7f3 nginx-0.0.1-2002-08-15-21:20:26 import
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d220029ac7f3 nginx-0.0.1-2002-08-15-21:20:26 import
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3 typedef struct {
d220029ac7f3 nginx-0.0.1-2002-08-15-21:20:26 import
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4 int len;
d220029ac7f3 nginx-0.0.1-2002-08-15-21:20:26 import
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5 char *line;
d220029ac7f3 nginx-0.0.1-2002-08-15-21:20:26 import
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6 } line;
d220029ac7f3 nginx-0.0.1-2002-08-15-21:20:26 import
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d220029ac7f3 nginx-0.0.1-2002-08-15-21:20:26 import
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d220029ac7f3 nginx-0.0.1-2002-08-15-21:20:26 import
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9 static line http_codes[] = {
d220029ac7f3 nginx-0.0.1-2002-08-15-21:20:26 import
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10 { 6, "200 OK" }
d220029ac7f3 nginx-0.0.1-2002-08-15-21:20:26 import
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11 };
d220029ac7f3 nginx-0.0.1-2002-08-15-21:20:26 import
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d220029ac7f3 nginx-0.0.1-2002-08-15-21:20:26 import
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d220029ac7f3 nginx-0.0.1-2002-08-15-21:20:26 import
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d220029ac7f3 nginx-0.0.1-2002-08-15-21:20:26 import
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15 int ngx_http_header_filter(ngx_http_request_t *r)
d220029ac7f3 nginx-0.0.1-2002-08-15-21:20:26 import
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16 {
d220029ac7f3 nginx-0.0.1-2002-08-15-21:20:26 import
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17 int status;
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ffffe1499bce nginx-0.0.1-2002-08-16-19:27:03 import
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18 ngx_hunk_t *h;
ffffe1499bce nginx-0.0.1-2002-08-16-19:27:03 import
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19 ngx_chain_t *ch;
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d220029ac7f3 nginx-0.0.1-2002-08-15-21:20:26 import
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21 ngx_test_null(h, ngx_get_hunk(r->pool, 1024, 0, 64), NGX_HTTP_FILTER_ERROR);
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d220029ac7f3 nginx-0.0.1-2002-08-15-21:20:26 import
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23 status = r->headers_out->status - GX_HTTP_OK;
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d220029ac7f3 nginx-0.0.1-2002-08-15-21:20:26 import
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25 ngx_memcpy(h->pos.mem, "HTTP/1.0 ", 9);
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26 h->pos.mem += 9;
d220029ac7f3 nginx-0.0.1-2002-08-15-21:20:26 import
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27 ngx_memcpy(h->pos.mem, http_codes[status].line, http_codes[status].len);
d220029ac7f3 nginx-0.0.1-2002-08-15-21:20:26 import
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28 h->pos.mem += http_codes[status].len;
d220029ac7f3 nginx-0.0.1-2002-08-15-21:20:26 import
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29 *(h->pos.mem++) = CR; *(h->pos.mem++) = LF;
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d220029ac7f3 nginx-0.0.1-2002-08-15-21:20:26 import
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31 memcpy(h->pos.mem, "Date: ", 6);
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32 h->pos.mem += 6;
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33 h->pos.mem += ngx_http_get_time(h->pos.mem, time());
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34 *(h->pos.mem++) = CR; *(h->pos.mem++) = LF;
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d220029ac7f3 nginx-0.0.1-2002-08-15-21:20:26 import
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36 /* 2^64 is 20 characters */
d220029ac7f3 nginx-0.0.1-2002-08-15-21:20:26 import
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37 if (r->headers_out->content_length)
d220029ac7f3 nginx-0.0.1-2002-08-15-21:20:26 import
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38 h->pos.mem += ngx_snprintf(h->pos.mem, 49, "Content-Length: %d" CRLF,
d220029ac7f3 nginx-0.0.1-2002-08-15-21:20:26 import
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39 r->headers_out->content_length);
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d220029ac7f3 nginx-0.0.1-2002-08-15-21:20:26 import
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41 /* check */
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d220029ac7f3 nginx-0.0.1-2002-08-15-21:20:26 import
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43 memcpy(h->pos.mem, "Server: ", 8);
d220029ac7f3 nginx-0.0.1-2002-08-15-21:20:26 import
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44 h->pos.mem += 8;
d220029ac7f3 nginx-0.0.1-2002-08-15-21:20:26 import
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45 if (r->headers_out->server) {
d220029ac7f3 nginx-0.0.1-2002-08-15-21:20:26 import
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46 h->pos.mem = ngx_cpystrn(h->pos.mem, r->headers_out->server,
d220029ac7f3 nginx-0.0.1-2002-08-15-21:20:26 import
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47 h->last.mem - h->pos.mem);
d220029ac7f3 nginx-0.0.1-2002-08-15-21:20:26 import
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48 check space
d220029ac7f3 nginx-0.0.1-2002-08-15-21:20:26 import
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49 } else {
d220029ac7f3 nginx-0.0.1-2002-08-15-21:20:26 import
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50 ngx_memcpy(h->pos.mem, NGINX_VER, sizeof(NGINX_VER));
d220029ac7f3 nginx-0.0.1-2002-08-15-21:20:26 import
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51 h->pos.mem += sizeof(NGINX_VER);
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52 }
d220029ac7f3 nginx-0.0.1-2002-08-15-21:20:26 import
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53 *(h->pos.mem++) = CR; *(h->pos.mem++) = LF;
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55 ngx_test_null(ch, ngx_palloc(r->pool, sizeof(ngx_chain_t)),
ffffe1499bce nginx-0.0.1-2002-08-16-19:27:03 import
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56 NGX_HTTP_FILTER_ERROR);
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58 ch->hunk = in->hunk;
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59 ch->next = NULL;
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61 return ngx_http_write_filter(r, ch);
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62 }