Mercurial > hg > nginx-quic
annotate src/event/ngx_event_write.c @ 1:d220029ac7f3
nginx-0.0.1-2002-08-15-21:20:26 import
author | Igor Sysoev <igor@sysoev.ru> |
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date | Thu, 15 Aug 2002 17:20:26 +0000 |
parents | 4eff17414a43 |
children | 34a521b1a148 |
rev | line source |
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0
4eff17414a43
nginx-0.0.1-2002-08-06-20:39:45 import
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1 |
4eff17414a43
nginx-0.0.1-2002-08-06-20:39:45 import
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2 #include <ngx_config.h> |
4eff17414a43
nginx-0.0.1-2002-08-06-20:39:45 import
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3 #include <ngx_types.h> |
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nginx-0.0.1-2002-08-06-20:39:45 import
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4 #include <ngx_alloc.h> |
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nginx-0.0.1-2002-08-06-20:39:45 import
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5 #include <ngx_array.h> |
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nginx-0.0.1-2002-08-06-20:39:45 import
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6 #include <ngx_hunk.h> |
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nginx-0.0.1-2002-08-06-20:39:45 import
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7 #include <ngx_connection.h> |
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nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
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8 #include <ngx_sendv.h> |
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nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
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9 #include <ngx_sendfile.h> |
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nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
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10 #include <ngx_event_write.h> |
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nginx-0.0.1-2002-08-06-20:39:45 import
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11 |
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nginx-0.0.1-2002-08-06-20:39:45 import
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12 |
1
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nginx-0.0.1-2002-08-15-21:20:26 import
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13 ngx_chain_t *ngx_event_write(ngx_connection_t *cn, ngx_chain_t *in, |
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nginx-0.0.1-2002-08-15-21:20:26 import
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14 off_t flush) |
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nginx-0.0.1-2002-08-06-20:39:45 import
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15 { |
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nginx-0.0.1-2002-08-06-20:39:45 import
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16 int rc; |
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nginx-0.0.1-2002-08-06-20:39:45 import
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17 char *last; |
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nginx-0.0.1-2002-08-06-20:39:45 import
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18 off_t sent; |
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nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
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19 ngx_iovec_t *iov; |
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nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
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20 ngx_array_t *header, *trailer; |
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nginx-0.0.1-2002-08-06-20:39:45 import
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21 ngx_hunk_t *file; |
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nginx-0.0.1-2002-08-06-20:39:45 import
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22 ngx_chain_t *ch; |
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nginx-0.0.1-2002-08-06-20:39:45 import
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23 |
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24 ch = in; |
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nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
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25 file = NULL; |
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nginx-0.0.1-2002-08-06-20:39:45 import
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26 |
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27 ngx_test_null(header, ngx_create_array(cn->pool, 10, sizeof(ngx_iovec_t)), |
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nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
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28 (ngx_chain_t *) -1); |
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29 |
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30 ngx_test_null(trailer, ngx_create_array(cn->pool, 10, sizeof(ngx_iovec_t)), |
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nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
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31 (ngx_chain_t *) -1); |
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nginx-0.0.1-2002-08-06-20:39:45 import
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32 |
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33 do { |
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nginx-0.0.1-2002-08-06-20:39:45 import
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34 header->nelts = 0; |
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35 trailer->nelts = 0; |
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36 |
1
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37 if (ch->hunk->type & NGX_HUNK_IN_MEMORY) { |
0
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nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
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38 last = NULL; |
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nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
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39 iov = NULL; |
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nginx-0.0.1-2002-08-06-20:39:45 import
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40 |
1
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41 while (ch && (ch->hunk->type & NGX_HUNK_IN_MEMORY)) |
0
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nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
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42 { |
1
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nginx-0.0.1-2002-08-15-21:20:26 import
Igor Sysoev <igor@sysoev.ru>
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43 if (last == ch->hunk->pos.mem) { |
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nginx-0.0.1-2002-08-15-21:20:26 import
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44 iov->ngx_iov_len += ch->hunk->last.mem - ch->hunk->pos.mem; |
0
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nginx-0.0.1-2002-08-06-20:39:45 import
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45 |
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nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
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46 } else { |
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nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
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47 ngx_test_null(iov, ngx_push_array(header), |
4eff17414a43
nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
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48 (ngx_chain_t *) -1); |
1
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nginx-0.0.1-2002-08-15-21:20:26 import
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49 iov->ngx_iov_base = ch->hunk->pos.mem; |
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nginx-0.0.1-2002-08-15-21:20:26 import
Igor Sysoev <igor@sysoev.ru>
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50 iov->ngx_iov_len = ch->hunk->last.mem - ch->hunk->pos.mem; |
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nginx-0.0.1-2002-08-15-21:20:26 import
Igor Sysoev <igor@sysoev.ru>
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51 last = ch->hunk->last.mem; |
0
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nginx-0.0.1-2002-08-06-20:39:45 import
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52 } |
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nginx-0.0.1-2002-08-06-20:39:45 import
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53 |
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nginx-0.0.1-2002-08-06-20:39:45 import
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54 ch = ch->next; |
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nginx-0.0.1-2002-08-06-20:39:45 import
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55 } |
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nginx-0.0.1-2002-08-06-20:39:45 import
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56 } |
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nginx-0.0.1-2002-08-06-20:39:45 import
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57 |
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nginx-0.0.1-2002-08-06-20:39:45 import
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58 if (ch && (ch->hunk->type & NGX_HUNK_FILE)) { |
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nginx-0.0.1-2002-08-06-20:39:45 import
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59 file = ch->hunk; |
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60 ch = ch->next; |
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61 } |
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nginx-0.0.1-2002-08-06-20:39:45 import
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62 |
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nginx-0.0.1-2002-08-06-20:39:45 import
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63 #if (HAVE_MAX_SENDFILE_IOVEC) |
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nginx-0.0.1-2002-08-06-20:39:45 import
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64 if (file && header->nelts > HAVE_MAX_SENDFILE_IOVEC) { |
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nginx-0.0.1-2002-08-06-20:39:45 import
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65 rc = ngx_sendv(cn->fd, (ngx_iovec_t *) header->elts, header->nelts, |
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nginx-0.0.1-2002-08-06-20:39:45 import
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66 &sent); |
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67 } else { |
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nginx-0.0.1-2002-08-06-20:39:45 import
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68 #endif |
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69 if (ch && ch->hunk->type & NGX_HUNK_IN_MEMORY) { |
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nginx-0.0.1-2002-08-06-20:39:45 import
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70 last = NULL; |
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71 iov = NULL; |
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72 |
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73 while (ch && (ch->hunk->type & NGX_HUNK_IN_MEMORY)) { |
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74 |
1
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75 if (last == ch->hunk->pos.mem) { |
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nginx-0.0.1-2002-08-15-21:20:26 import
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76 iov->ngx_iov_len += |
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nginx-0.0.1-2002-08-15-21:20:26 import
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77 ch->hunk->last.mem - ch->hunk->pos.mem; |
0
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78 |
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79 } else { |
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80 ngx_test_null(iov, ngx_push_array(trailer), |
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81 (ngx_chain_t *) -1); |
1
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82 iov->ngx_iov_base = ch->hunk->pos.mem; |
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nginx-0.0.1-2002-08-15-21:20:26 import
Igor Sysoev <igor@sysoev.ru>
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83 iov->ngx_iov_len = |
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nginx-0.0.1-2002-08-15-21:20:26 import
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84 ch->hunk->last.mem - ch->hunk->pos.mem; |
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nginx-0.0.1-2002-08-15-21:20:26 import
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85 last = ch->hunk->last.mem; |
0
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nginx-0.0.1-2002-08-06-20:39:45 import
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86 } |
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Igor Sysoev <igor@sysoev.ru>
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87 |
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88 ch = ch->next; |
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89 } |
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nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
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90 } |
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nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
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91 |
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92 if (file) { |
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nginx-0.0.1-2002-08-06-20:39:45 import
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93 rc = ngx_sendfile(cn->fd, |
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Igor Sysoev <igor@sysoev.ru>
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94 (ngx_iovec_t *) header->elts, header->nelts, |
1
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95 file->fd, file->pos.file, |
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96 (size_t) (file->last.file - file->pos.file), |
0
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97 (ngx_iovec_t *) trailer->elts, trailer->nelts, |
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nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
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98 &sent, cn->log); |
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99 } else { |
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nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
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100 rc = ngx_sendv(cn->fd, (ngx_iovec_t *) header->elts, |
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nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
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101 header->nelts, (size_t *) &sent); |
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102 } |
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nginx-0.0.1-2002-08-06-20:39:45 import
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103 #if (HAVE_MAX_SENDFILE_IOVEC) |
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nginx-0.0.1-2002-08-06-20:39:45 import
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104 } |
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nginx-0.0.1-2002-08-06-20:39:45 import
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105 #endif |
4eff17414a43
nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
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106 /* save sent for logging */ |
4eff17414a43
nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
107 |
4eff17414a43
nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
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108 if (rc == -1) |
4eff17414a43
nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
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109 return (ngx_chain_t *) -1; |
4eff17414a43
nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
110 |
4eff17414a43
nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
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111 flush -= sent; |
4eff17414a43
nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
112 |
4eff17414a43
nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
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changeset
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113 for (ch = in; ch && !(ch->hunk->type & NGX_HUNK_LAST); ch = ch->next) { |
1
d220029ac7f3
nginx-0.0.1-2002-08-15-21:20:26 import
Igor Sysoev <igor@sysoev.ru>
parents:
0
diff
changeset
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114 if (sent >= ch->hunk->last.file - ch->hunk->pos.file) { |
d220029ac7f3
nginx-0.0.1-2002-08-15-21:20:26 import
Igor Sysoev <igor@sysoev.ru>
parents:
0
diff
changeset
|
115 sent -= ch->hunk->last.file - ch->hunk->pos.file; |
d220029ac7f3
nginx-0.0.1-2002-08-15-21:20:26 import
Igor Sysoev <igor@sysoev.ru>
parents:
0
diff
changeset
|
116 ch->hunk->last.file = ch->hunk->pos.file; |
0
4eff17414a43
nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
117 continue; |
4eff17414a43
nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
118 } |
4eff17414a43
nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
119 |
1
d220029ac7f3
nginx-0.0.1-2002-08-15-21:20:26 import
Igor Sysoev <igor@sysoev.ru>
parents:
0
diff
changeset
|
120 ch->hunk->pos.file += sent; |
0
4eff17414a43
nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
121 break; |
4eff17414a43
nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
122 } |
4eff17414a43
nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
123 |
1
d220029ac7f3
nginx-0.0.1-2002-08-15-21:20:26 import
Igor Sysoev <igor@sysoev.ru>
parents:
0
diff
changeset
|
124 /* flush hunks if threaded state */ |
d220029ac7f3
nginx-0.0.1-2002-08-15-21:20:26 import
Igor Sysoev <igor@sysoev.ru>
parents:
0
diff
changeset
|
125 } while (cn->write->context && flush > 0); |
0
4eff17414a43
nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
126 |
4eff17414a43
nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
127 ngx_destroy_array(trailer); |
4eff17414a43
nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
128 ngx_destroy_array(header); |
4eff17414a43
nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
129 |
4eff17414a43
nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
130 return ch; |
4eff17414a43
nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
131 } |