Mercurial > hg > nginx-quic
annotate src/event/ngx_event_write.c @ 43:53cd05892261
nginx-0.0.1-2002-12-27-19:22:50 import
author | Igor Sysoev <igor@sysoev.ru> |
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date | Fri, 27 Dec 2002 16:22:50 +0000 |
parents | 53cb81681040 |
children | 0e81ac0bb3e2 |
rev | line source |
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0
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nginx-0.0.1-2002-08-06-20:39:45 import
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1 |
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nginx-0.0.1-2002-08-06-20:39:45 import
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2 #include <ngx_config.h> |
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nginx-0.0.1-2002-09-02-18:48:24 import
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3 #include <ngx_core.h> |
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nginx-0.0.1-2002-08-06-20:39:45 import
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4 #include <ngx_types.h> |
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nginx-0.0.1-2002-08-06-20:39:45 import
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5 #include <ngx_alloc.h> |
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nginx-0.0.1-2002-08-06-20:39:45 import
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6 #include <ngx_array.h> |
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nginx-0.0.1-2002-08-06-20:39:45 import
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7 #include <ngx_hunk.h> |
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nginx-0.0.1-2002-08-06-20:39:45 import
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8 #include <ngx_connection.h> |
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nginx-0.0.1-2002-08-06-20:39:45 import
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9 #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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10 #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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11 #include <ngx_event_write.h> |
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nginx-0.0.1-2002-08-06-20:39:45 import
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12 |
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nginx-0.0.1-2002-08-06-20:39:45 import
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13 |
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nginx-0.0.1-2002-09-02-18:48:24 import
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14 ngx_chain_t *ngx_event_write(ngx_connection_t *c, ngx_chain_t *in, |
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nginx-0.0.1-2002-08-15-21:20:26 import
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15 off_t flush) |
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16 { |
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nginx-0.0.1-2002-08-06-20:39:45 import
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17 int rc; |
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nginx-0.0.1-2002-08-06-20:39:45 import
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18 char *last; |
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nginx-0.0.1-2002-08-06-20:39:45 import
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19 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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20 ngx_iovec_t *iov; |
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nginx-0.0.1-2002-08-06-20:39:45 import
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21 ngx_array_t *header, *trailer; |
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nginx-0.0.1-2002-08-06-20:39:45 import
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22 ngx_hunk_t *file; |
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nginx-0.0.1-2002-08-06-20:39:45 import
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23 ngx_chain_t *ch; |
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24 |
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25 ch = in; |
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nginx-0.0.1-2002-08-06-20:39:45 import
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26 file = NULL; |
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27 |
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28 ngx_test_null(header, ngx_create_array(c->pool, 10, sizeof(ngx_iovec_t)), |
0
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nginx-0.0.1-2002-08-06-20:39:45 import
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29 (ngx_chain_t *) -1); |
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30 |
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31 ngx_test_null(trailer, ngx_create_array(c->pool, 10, sizeof(ngx_iovec_t)), |
0
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32 (ngx_chain_t *) -1); |
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33 |
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34 do { |
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nginx-0.0.1-2002-08-06-20:39:45 import
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35 header->nelts = 0; |
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36 trailer->nelts = 0; |
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37 |
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Igor Sysoev <igor@sysoev.ru>
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38 if (ch->hunk->type & NGX_HUNK_IN_MEMORY) { |
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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 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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40 iov = NULL; |
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nginx-0.0.1-2002-08-06-20:39:45 import
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41 |
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Igor Sysoev <igor@sysoev.ru>
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42 while (ch && (ch->hunk->type & NGX_HUNK_IN_MEMORY)) |
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43 { |
1
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Igor Sysoev <igor@sysoev.ru>
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44 if (last == 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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45 iov->ngx_iov_len += ch->hunk->last.mem - ch->hunk->pos.mem; |
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46 |
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nginx-0.0.1-2002-08-06-20:39:45 import
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47 } 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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48 ngx_test_null(iov, ngx_push_array(header), |
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nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
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49 (ngx_chain_t *) -1); |
1
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Igor Sysoev <igor@sysoev.ru>
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50 iov->ngx_iov_base = ch->hunk->pos.mem; |
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Igor Sysoev <igor@sysoev.ru>
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51 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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52 last = ch->hunk->last.mem; |
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nginx-0.0.1-2002-08-06-20:39:45 import
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53 } |
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54 |
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nginx-0.0.1-2002-08-06-20:39:45 import
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55 ch = ch->next; |
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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 |
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59 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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60 file = ch->hunk; |
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61 ch = ch->next; |
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62 } |
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63 |
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nginx-0.0.1-2002-08-06-20:39:45 import
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64 #if (HAVE_MAX_SENDFILE_IOVEC) |
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nginx-0.0.1-2002-08-06-20:39:45 import
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65 if (file && header->nelts > HAVE_MAX_SENDFILE_IOVEC) { |
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66 rc = ngx_sendv(c->fd, (ngx_iovec_t *) header->elts, header->nelts, |
0
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67 &sent); |
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68 } else { |
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nginx-0.0.1-2002-08-06-20:39:45 import
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69 #endif |
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70 if (ch && ch->hunk->type & NGX_HUNK_IN_MEMORY) { |
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nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
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71 last = NULL; |
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72 iov = NULL; |
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73 |
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74 while (ch && (ch->hunk->type & NGX_HUNK_IN_MEMORY)) { |
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75 |
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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76 if (last == ch->hunk->pos.mem) { |
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77 iov->ngx_iov_len += |
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nginx-0.0.1-2002-08-15-21:20:26 import
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78 ch->hunk->last.mem - ch->hunk->pos.mem; |
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79 |
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80 } else { |
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81 ngx_test_null(iov, ngx_push_array(trailer), |
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Igor Sysoev <igor@sysoev.ru>
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82 (ngx_chain_t *) -1); |
1
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Igor Sysoev <igor@sysoev.ru>
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83 iov->ngx_iov_base = ch->hunk->pos.mem; |
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Igor Sysoev <igor@sysoev.ru>
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84 iov->ngx_iov_len = |
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Igor Sysoev <igor@sysoev.ru>
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85 ch->hunk->last.mem - ch->hunk->pos.mem; |
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Igor Sysoev <igor@sysoev.ru>
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86 last = ch->hunk->last.mem; |
0
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87 } |
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88 |
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89 ch = ch->next; |
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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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nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
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92 |
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nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
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93 if (file) { |
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nginx-0.0.1-2002-09-02-18:48:24 import
Igor Sysoev <igor@sysoev.ru>
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94 rc = ngx_sendfile(c->fd, |
0
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Igor Sysoev <igor@sysoev.ru>
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95 (ngx_iovec_t *) header->elts, header->nelts, |
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Igor Sysoev <igor@sysoev.ru>
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96 file->file->fd, file->pos.file, |
1
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97 (size_t) (file->last.file - file->pos.file), |
0
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98 (ngx_iovec_t *) trailer->elts, trailer->nelts, |
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nginx-0.0.1-2002-09-02-18:48:24 import
Igor Sysoev <igor@sysoev.ru>
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99 &sent, c->log); |
0
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100 } else { |
26
53cb81681040
nginx-0.0.1-2002-12-15-09:25:09 import
Igor Sysoev <igor@sysoev.ru>
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9
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101 rc = ngx_sendv(c, (ngx_iovec_t *) header->elts, header->nelts); |
8
708f8bb772ec
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Igor Sysoev <igor@sysoev.ru>
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3
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102 |
9
6f58641241bb
nginx-0.0.1-2002-09-07-14:14:25 import
Igor Sysoev <igor@sysoev.ru>
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8
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103 sent = rc > 0 ? rc: 0; |
6f58641241bb
nginx-0.0.1-2002-09-07-14:14:25 import
Igor Sysoev <igor@sysoev.ru>
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8
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changeset
|
104 |
8
708f8bb772ec
nginx-0.0.1-2002-09-02-18:48:24 import
Igor Sysoev <igor@sysoev.ru>
parents:
3
diff
changeset
|
105 ngx_log_debug(c->log, "sendv: " QD_FMT _ sent); |
0
4eff17414a43
nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
106 } |
4eff17414a43
nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
107 #if (HAVE_MAX_SENDFILE_IOVEC) |
4eff17414a43
nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
108 } |
4eff17414a43
nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
109 #endif |
9
6f58641241bb
nginx-0.0.1-2002-09-07-14:14:25 import
Igor Sysoev <igor@sysoev.ru>
parents:
8
diff
changeset
|
110 if (rc == NGX_ERROR) |
6f58641241bb
nginx-0.0.1-2002-09-07-14:14:25 import
Igor Sysoev <igor@sysoev.ru>
parents:
8
diff
changeset
|
111 return (ngx_chain_t *) NGX_ERROR; |
0
4eff17414a43
nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
112 |
9
6f58641241bb
nginx-0.0.1-2002-09-07-14:14:25 import
Igor Sysoev <igor@sysoev.ru>
parents:
8
diff
changeset
|
113 c->sent += sent; |
0
4eff17414a43
nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
114 flush -= sent; |
4eff17414a43
nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
115 |
3
34a521b1a148
nginx-0.0.1-2002-08-20-18:48:28 import
Igor Sysoev <igor@sysoev.ru>
parents:
1
diff
changeset
|
116 for (ch = in; ch; ch = ch->next) { |
8
708f8bb772ec
nginx-0.0.1-2002-09-02-18:48:24 import
Igor Sysoev <igor@sysoev.ru>
parents:
3
diff
changeset
|
117 |
708f8bb772ec
nginx-0.0.1-2002-09-02-18:48:24 import
Igor Sysoev <igor@sysoev.ru>
parents:
3
diff
changeset
|
118 ngx_log_debug(c->log, "ch event write: %x %qx %qd" _ |
708f8bb772ec
nginx-0.0.1-2002-09-02-18:48:24 import
Igor Sysoev <igor@sysoev.ru>
parents:
3
diff
changeset
|
119 ch->hunk->type _ |
708f8bb772ec
nginx-0.0.1-2002-09-02-18:48:24 import
Igor Sysoev <igor@sysoev.ru>
parents:
3
diff
changeset
|
120 ch->hunk->pos.file _ |
708f8bb772ec
nginx-0.0.1-2002-09-02-18:48:24 import
Igor Sysoev <igor@sysoev.ru>
parents:
3
diff
changeset
|
121 ch->hunk->last.file - ch->hunk->pos.file); |
708f8bb772ec
nginx-0.0.1-2002-09-02-18:48:24 import
Igor Sysoev <igor@sysoev.ru>
parents:
3
diff
changeset
|
122 |
1
d220029ac7f3
nginx-0.0.1-2002-08-15-21:20:26 import
Igor Sysoev <igor@sysoev.ru>
parents:
0
diff
changeset
|
123 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
|
124 sent -= ch->hunk->last.file - ch->hunk->pos.file; |
8
708f8bb772ec
nginx-0.0.1-2002-09-02-18:48:24 import
Igor Sysoev <igor@sysoev.ru>
parents:
3
diff
changeset
|
125 ch->hunk->pos.file = ch->hunk->last.file; |
3
34a521b1a148
nginx-0.0.1-2002-08-20-18:48:28 import
Igor Sysoev <igor@sysoev.ru>
parents:
1
diff
changeset
|
126 |
8
708f8bb772ec
nginx-0.0.1-2002-09-02-18:48:24 import
Igor Sysoev <igor@sysoev.ru>
parents:
3
diff
changeset
|
127 ngx_log_debug(c->log, "event write: " QX_FMT " 0 " QD_FMT _ |
708f8bb772ec
nginx-0.0.1-2002-09-02-18:48:24 import
Igor Sysoev <igor@sysoev.ru>
parents:
3
diff
changeset
|
128 ch->hunk->pos.file _ sent); |
3
34a521b1a148
nginx-0.0.1-2002-08-20-18:48:28 import
Igor Sysoev <igor@sysoev.ru>
parents:
1
diff
changeset
|
129 |
8
708f8bb772ec
nginx-0.0.1-2002-09-02-18:48:24 import
Igor Sysoev <igor@sysoev.ru>
parents:
3
diff
changeset
|
130 /* |
3
34a521b1a148
nginx-0.0.1-2002-08-20-18:48:28 import
Igor Sysoev <igor@sysoev.ru>
parents:
1
diff
changeset
|
131 if (ch->hunk->type & NGX_HUNK_LAST) |
34a521b1a148
nginx-0.0.1-2002-08-20-18:48:28 import
Igor Sysoev <igor@sysoev.ru>
parents:
1
diff
changeset
|
132 break; |
8
708f8bb772ec
nginx-0.0.1-2002-09-02-18:48:24 import
Igor Sysoev <igor@sysoev.ru>
parents:
3
diff
changeset
|
133 */ |
3
34a521b1a148
nginx-0.0.1-2002-08-20-18:48:28 import
Igor Sysoev <igor@sysoev.ru>
parents:
1
diff
changeset
|
134 |
34a521b1a148
nginx-0.0.1-2002-08-20-18:48:28 import
Igor Sysoev <igor@sysoev.ru>
parents:
1
diff
changeset
|
135 continue; |
0
4eff17414a43
nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
136 } |
4eff17414a43
nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
137 |
1
d220029ac7f3
nginx-0.0.1-2002-08-15-21:20:26 import
Igor Sysoev <igor@sysoev.ru>
parents:
0
diff
changeset
|
138 ch->hunk->pos.file += sent; |
3
34a521b1a148
nginx-0.0.1-2002-08-20-18:48:28 import
Igor Sysoev <igor@sysoev.ru>
parents:
1
diff
changeset
|
139 |
8
708f8bb772ec
nginx-0.0.1-2002-09-02-18:48:24 import
Igor Sysoev <igor@sysoev.ru>
parents:
3
diff
changeset
|
140 ngx_log_debug(c->log, "event write: %qx %qd" _ |
3
34a521b1a148
nginx-0.0.1-2002-08-20-18:48:28 import
Igor Sysoev <igor@sysoev.ru>
parents:
1
diff
changeset
|
141 ch->hunk->pos.file _ |
34a521b1a148
nginx-0.0.1-2002-08-20-18:48:28 import
Igor Sysoev <igor@sysoev.ru>
parents:
1
diff
changeset
|
142 ch->hunk->last.file - ch->hunk->pos.file); |
34a521b1a148
nginx-0.0.1-2002-08-20-18:48:28 import
Igor Sysoev <igor@sysoev.ru>
parents:
1
diff
changeset
|
143 |
0
4eff17414a43
nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
144 break; |
4eff17414a43
nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
145 } |
4eff17414a43
nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
146 |
1
d220029ac7f3
nginx-0.0.1-2002-08-15-21:20:26 import
Igor Sysoev <igor@sysoev.ru>
parents:
0
diff
changeset
|
147 /* flush hunks if threaded state */ |
8
708f8bb772ec
nginx-0.0.1-2002-09-02-18:48:24 import
Igor Sysoev <igor@sysoev.ru>
parents:
3
diff
changeset
|
148 } while (c->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
|
149 |
4eff17414a43
nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
150 ngx_destroy_array(trailer); |
4eff17414a43
nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
151 ngx_destroy_array(header); |
4eff17414a43
nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
152 |
4eff17414a43
nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
153 return ch; |
4eff17414a43
nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
154 } |