Mercurial > hg > nginx-quic
annotate src/os/win32/ngx_wsasend_chain.c @ 160:e7e094d34162
nginx-0.0.1-2003-10-27-11:53:49 import
author | Igor Sysoev <igor@sysoev.ru> |
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date | Mon, 27 Oct 2003 08:53:49 +0000 |
parents | ef8c87afcfc5 |
children | 1bf718ce0dde |
rev | line source |
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103
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nginx-0.0.1-2003-06-11-19:28:34 import
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1 |
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nginx-0.0.1-2003-06-11-19:28:34 import
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2 #include <ngx_config.h> |
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nginx-0.0.1-2003-06-11-19:28:34 import
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3 #include <ngx_core.h> |
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nginx-0.0.1-2003-06-11-19:28:34 import
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4 #include <ngx_event.h> |
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nginx-0.0.1-2003-06-11-19:28:34 import
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5 |
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6 |
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7 ngx_chain_t *ngx_wsasend_chain(ngx_connection_t *c, ngx_chain_t *in) |
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nginx-0.0.1-2003-06-11-19:28:34 import
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8 { |
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9 int rc; |
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nginx-0.0.1-2003-06-11-19:28:34 import
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10 char *prev; |
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nginx-0.0.1-2003-06-11-19:28:34 import
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11 size_t size, sent; |
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nginx-0.0.1-2003-06-11-19:28:34 import
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12 LPWSABUF wsabuf; |
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nginx-0.0.1-2003-06-11-19:28:34 import
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13 ngx_err_t err; |
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nginx-0.0.1-2003-06-11-19:28:34 import
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14 ngx_event_t *wev; |
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nginx-0.0.1-2003-06-11-19:28:34 import
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15 ngx_array_t wsabufs; |
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nginx-0.0.1-2003-06-11-19:28:34 import
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16 ngx_chain_t *ce; |
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nginx-0.0.1-2003-06-11-19:28:34 import
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17 LPWSAOVERLAPPED ovlp; |
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18 |
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19 #if 0 |
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20 |
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nginx-0.0.1-2003-06-11-19:28:34 import
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21 iocp: |
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22 if ready |
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23 get result |
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nginx-0.0.1-2003-06-11-19:28:34 import
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24 update chain |
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25 return if done; |
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nginx-0.0.1-2003-06-11-19:28:34 import
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26 wsasend |
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27 |
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nginx-0.0.1-2003-06-11-19:28:34 import
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28 non-block |
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nginx-0.0.1-2003-06-11-19:28:34 import
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29 for ( ;; ) { |
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30 wsasend |
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nginx-0.0.1-2003-06-11-19:28:34 import
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31 if no again |
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nginx-0.0.1-2003-06-11-19:28:34 import
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32 update chain |
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nginx-0.0.1-2003-06-11-19:28:34 import
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33 return if done; |
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nginx-0.0.1-2003-06-11-19:28:34 import
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34 } |
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nginx-0.0.1-2003-06-11-19:28:34 import
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35 |
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nginx-0.0.1-2003-06-11-19:28:34 import
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36 |
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nginx-0.0.1-2003-06-11-19:28:34 import
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37 for ( ;; ) { |
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nginx-0.0.1-2003-06-11-19:28:34 import
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38 |
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nginx-0.0.1-2003-06-11-19:28:34 import
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39 make buffers and limit data for both ovlp and nonblocked, |
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nginx-0.0.1-2003-06-11-19:28:34 import
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40 configured in events module |
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nginx-0.0.1-2003-06-11-19:28:34 import
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41 |
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42 if (iocp && ready) { |
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nginx-0.0.1-2003-06-11-19:28:34 import
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43 get result |
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nginx-0.0.1-2003-06-11-19:28:34 import
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44 |
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45 } else { |
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nginx-0.0.1-2003-06-11-19:28:34 import
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46 if (file) |
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nginx-0.0.1-2003-06-11-19:28:34 import
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47 transmitfile |
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nginx-0.0.1-2003-06-11-19:28:34 import
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48 else |
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nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
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49 wsasend |
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nginx-0.0.1-2003-06-11-19:28:34 import
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50 |
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nginx-0.0.1-2003-06-11-19:28:34 import
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51 if (iocp) |
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nginx-0.0.1-2003-06-11-19:28:34 import
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52 return chain |
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nginx-0.0.1-2003-06-11-19:28:34 import
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53 return chain if again |
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nginx-0.0.1-2003-06-11-19:28:34 import
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54 here is result |
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nginx-0.0.1-2003-06-11-19:28:34 import
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55 } |
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nginx-0.0.1-2003-06-11-19:28:34 import
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56 |
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nginx-0.0.1-2003-06-11-19:28:34 import
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57 if (result) |
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nginx-0.0.1-2003-06-11-19:28:34 import
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58 update chain; |
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nginx-0.0.1-2003-06-11-19:28:34 import
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59 return chain if done |
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nginx-0.0.1-2003-06-11-19:28:34 import
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60 } |
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nginx-0.0.1-2003-06-11-19:28:34 import
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61 } |
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nginx-0.0.1-2003-06-11-19:28:34 import
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62 |
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nginx-0.0.1-2003-06-11-19:28:34 import
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63 |
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nginx-0.0.1-2003-06-11-19:28:34 import
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64 #endif |
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nginx-0.0.1-2003-06-11-19:28:34 import
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65 |
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nginx-0.0.1-2003-06-11-19:28:34 import
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66 wev = c->write; |
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nginx-0.0.1-2003-06-11-19:28:34 import
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67 |
144
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nginx-0.0.1-2003-10-12-20:49:16 import
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103
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68 if (((ngx_event_flags & NGX_USE_AIO_EVENT) && !wev->ready) |
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103
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69 || ((ngx_event_flags & NGX_USE_AIO_EVENT) == 0)) |
103
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nginx-0.0.1-2003-06-11-19:28:34 import
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70 { |
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nginx-0.0.1-2003-06-11-19:28:34 import
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71 /* |
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nginx-0.0.1-2003-06-11-19:28:34 import
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72 * WSABUFs must be 4-byte aligned otherwise |
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nginx-0.0.1-2003-06-11-19:28:34 import
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73 * WSASend() will return undocumented WSAEINVAL error. |
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nginx-0.0.1-2003-06-11-19:28:34 import
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74 */ |
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nginx-0.0.1-2003-06-11-19:28:34 import
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75 |
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nginx-0.0.1-2003-06-11-19:28:34 import
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76 ngx_init_array(wsabufs, c->pool, 10, sizeof(WSABUF), NGX_CHAIN_ERROR); |
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77 |
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nginx-0.0.1-2003-06-11-19:28:34 import
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78 prev = NULL; |
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nginx-0.0.1-2003-06-11-19:28:34 import
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79 wsabuf = NULL; |
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80 |
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nginx-0.0.1-2003-06-11-19:28:34 import
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81 /* create the WSABUF and coalesce the neighbouring chain entries */ |
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nginx-0.0.1-2003-06-11-19:28:34 import
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82 for (ce = in; ce; ce = ce->next) { |
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83 |
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nginx-0.0.1-2003-06-11-19:28:34 import
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84 if (prev == ce->hunk->pos) { |
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nginx-0.0.1-2003-06-11-19:28:34 import
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85 wsabuf->len += ce->hunk->last - ce->hunk->pos; |
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nginx-0.0.1-2003-06-11-19:28:34 import
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86 prev = ce->hunk->last; |
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87 |
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88 } else { |
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nginx-0.0.1-2003-06-11-19:28:34 import
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89 ngx_test_null(wsabuf, ngx_push_array(&wsabufs), |
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nginx-0.0.1-2003-06-11-19:28:34 import
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90 NGX_CHAIN_ERROR); |
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nginx-0.0.1-2003-06-11-19:28:34 import
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91 wsabuf->buf = ce->hunk->pos; |
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nginx-0.0.1-2003-06-11-19:28:34 import
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92 wsabuf->len = ce->hunk->last - ce->hunk->pos; |
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nginx-0.0.1-2003-06-11-19:28:34 import
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93 prev = ce->hunk->last; |
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nginx-0.0.1-2003-06-11-19:28:34 import
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94 } |
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nginx-0.0.1-2003-06-11-19:28:34 import
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95 } |
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nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
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96 |
144
ef8c87afcfc5
nginx-0.0.1-2003-10-12-20:49:16 import
Igor Sysoev <igor@sysoev.ru>
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103
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97 if (ngx_event_flags & NGX_USE_AIO_EVENT) { |
103
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nginx-0.0.1-2003-06-11-19:28:34 import
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98 ovlp = (LPWSAOVERLAPPED) &c->write->ovlp; |
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nginx-0.0.1-2003-06-11-19:28:34 import
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99 ngx_memzero(ovlp, sizeof(WSAOVERLAPPED)); |
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nginx-0.0.1-2003-06-11-19:28:34 import
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100 |
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101 } else { |
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nginx-0.0.1-2003-06-11-19:28:34 import
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102 ovlp = NULL; |
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nginx-0.0.1-2003-06-11-19:28:34 import
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103 } |
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104 |
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nginx-0.0.1-2003-06-11-19:28:34 import
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105 rc = WSASend(c->fd, wsabufs.elts, wsabufs.nelts, &sent, 0, ovlp, NULL); |
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nginx-0.0.1-2003-06-11-19:28:34 import
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106 |
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107 if (rc == -1) { |
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nginx-0.0.1-2003-06-11-19:28:34 import
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108 err = ngx_errno; |
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nginx-0.0.1-2003-06-11-19:28:34 import
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109 if (err == WSA_IO_PENDING) { |
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nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
110 sent = 0; |
6dfda4cf5200
nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
111 |
6dfda4cf5200
nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
112 } else if (err == WSAEWOULDBLOCK) { |
6dfda4cf5200
nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
113 sent = 0; |
6dfda4cf5200
nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
114 ngx_log_error(NGX_LOG_INFO, c->log, err, "WSASend() EAGAIN"); |
6dfda4cf5200
nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
115 |
6dfda4cf5200
nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
116 } else { |
6dfda4cf5200
nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
117 ngx_log_error(NGX_LOG_CRIT, c->log, err, "WSASend() failed"); |
6dfda4cf5200
nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
118 return NGX_CHAIN_ERROR; |
6dfda4cf5200
nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
119 } |
6dfda4cf5200
nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
120 |
6dfda4cf5200
nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
121 } else { |
6dfda4cf5200
nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
122 |
144
ef8c87afcfc5
nginx-0.0.1-2003-10-12-20:49:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
103
diff
changeset
|
123 if (ngx_event_flags & NGX_USE_IOCP_EVENT) { |
103
6dfda4cf5200
nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
124 |
6dfda4cf5200
nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
125 /* |
6dfda4cf5200
nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
126 * If a socket was bound with I/O completion port then |
6dfda4cf5200
nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
127 * GetQueuedCompletionStatus() would anyway return its status |
6dfda4cf5200
nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
128 * despite that WSASend() was already completed. |
6dfda4cf5200
nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
129 */ |
6dfda4cf5200
nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
130 |
6dfda4cf5200
nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
131 sent = 0; |
6dfda4cf5200
nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
132 } |
6dfda4cf5200
nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
133 } |
6dfda4cf5200
nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
134 |
6dfda4cf5200
nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
135 } else { |
144
ef8c87afcfc5
nginx-0.0.1-2003-10-12-20:49:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
103
diff
changeset
|
136 if (ngx_event_flags & NGX_USE_IOCP_EVENT) { |
103
6dfda4cf5200
nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
137 wev->ready = 0; |
6dfda4cf5200
nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
138 |
6dfda4cf5200
nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
139 /* the overlapped WSASend() completed */ |
6dfda4cf5200
nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
140 |
6dfda4cf5200
nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
141 if (wev->ovlp.error) { |
6dfda4cf5200
nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
142 ngx_log_error(NGX_LOG_ERR, c->log, wev->ovlp.error, |
6dfda4cf5200
nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
143 "WSASend() failed"); |
6dfda4cf5200
nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
144 return NGX_CHAIN_ERROR; |
6dfda4cf5200
nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
145 } |
6dfda4cf5200
nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
146 |
6dfda4cf5200
nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
147 sent = wev->available; |
6dfda4cf5200
nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
148 } |
6dfda4cf5200
nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
149 } |
6dfda4cf5200
nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
150 |
6dfda4cf5200
nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
151 #if (NGX_DEBUG_WRITE_CHAIN) |
6dfda4cf5200
nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
152 ngx_log_debug(c->log, "WSASend(): %d" _ sent); |
6dfda4cf5200
nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
153 #endif |
6dfda4cf5200
nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
154 |
6dfda4cf5200
nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
155 c->sent += sent; |
6dfda4cf5200
nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
156 |
6dfda4cf5200
nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
157 for (ce = in; ce && sent > 0; ce = ce->next) { |
6dfda4cf5200
nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
158 |
6dfda4cf5200
nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
159 size = ce->hunk->last - ce->hunk->pos; |
6dfda4cf5200
nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
160 |
6dfda4cf5200
nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
161 if (sent >= size) { |
6dfda4cf5200
nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
162 sent -= size; |
6dfda4cf5200
nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
163 |
6dfda4cf5200
nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
164 if (ce->hunk->type & NGX_HUNK_IN_MEMORY) { |
6dfda4cf5200
nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
165 ce->hunk->pos = ce->hunk->last; |
6dfda4cf5200
nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
166 } |
6dfda4cf5200
nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
167 |
6dfda4cf5200
nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
168 continue; |
6dfda4cf5200
nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
169 } |
6dfda4cf5200
nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
170 |
6dfda4cf5200
nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
171 if (ce->hunk->type & NGX_HUNK_IN_MEMORY) { |
6dfda4cf5200
nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
172 ce->hunk->pos += sent; |
6dfda4cf5200
nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
173 } |
6dfda4cf5200
nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
174 |
6dfda4cf5200
nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
175 break; |
6dfda4cf5200
nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
176 } |
6dfda4cf5200
nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
177 |
6dfda4cf5200
nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
178 ngx_destroy_array(&wsabufs); |
6dfda4cf5200
nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
179 |
6dfda4cf5200
nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
180 return ce; |
6dfda4cf5200
nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
181 } |