Mercurial > hg > nginx-quic
annotate src/os/win32/ngx_udp_wsarecv.c @ 6610:d5b5866c06c4
Stream: got rid of pseudo variables.
Stream limit_conn, upstream_hash and proxy modules now use complex values.
author | Vladimir Homutov <vl@nginx.com> |
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date | Wed, 29 Jun 2016 12:46:12 +0300 |
parents | d620f497c50f |
children |
rev | line source |
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441
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1 |
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2 /* |
444
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3 * Copyright (C) Igor Sysoev |
4412 | 4 * Copyright (C) Nginx, Inc. |
441
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5 */ |
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6 |
103
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7 |
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8 #include <ngx_config.h> |
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9 #include <ngx_core.h> |
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10 #include <ngx_event.h> |
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11 |
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12 |
1680 | 13 ssize_t |
1689 | 14 ngx_udp_wsarecv(ngx_connection_t *c, u_char *buf, size_t size) |
103
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15 { |
184
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16 int rc; |
280
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17 u_long bytes, flags; |
184
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18 WSABUF wsabuf[1]; |
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19 ngx_err_t err; |
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20 ngx_event_t *rev; |
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21 |
292
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22 wsabuf[0].buf = (char *) buf; |
184
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23 wsabuf[0].len = size; |
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24 flags = 0; |
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25 bytes = 0; |
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26 |
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27 rc = WSARecv(c->fd, wsabuf, 1, &bytes, &flags, NULL, NULL); |
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28 |
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29 ngx_log_debug4(NGX_LOG_DEBUG_EVENT, c->log, 0, |
461 | 30 "WSARecv: fd:%d rc:%d %ul of %z", c->fd, rc, bytes, size); |
184
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31 |
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32 rev = c->read; |
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33 |
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34 if (rc == -1) { |
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35 rev->ready = 0; |
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36 err = ngx_socket_errno; |
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37 |
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38 if (err == WSAEWOULDBLOCK) { |
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39 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, err, |
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40 "WSARecv() not ready"); |
184
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41 return NGX_AGAIN; |
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42 } |
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43 |
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44 rev->error = 1; |
278
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45 ngx_connection_error(c, err, "WSARecv() failed"); |
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46 |
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47 return NGX_ERROR; |
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48 } |
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49 |
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50 return bytes; |
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51 } |
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52 |
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53 |
1680 | 54 ssize_t |
1689 | 55 ngx_udp_overlapped_wsarecv(ngx_connection_t *c, u_char *buf, size_t size) |
184
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56 { |
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57 int rc; |
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58 u_long bytes, flags; |
184
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59 WSABUF wsabuf[1]; |
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60 ngx_err_t err; |
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61 ngx_event_t *rev; |
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62 LPWSAOVERLAPPED ovlp; |
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63 |
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64 rev = c->read; |
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65 |
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66 if (!rev->ready) { |
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67 ngx_log_error(NGX_LOG_ALERT, c->log, 0, "second wsa post"); |
184
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68 return NGX_AGAIN; |
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69 } |
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70 |
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71 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, |
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72 "rev->complete: %d", rev->complete); |
184
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73 |
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74 if (rev->complete) { |
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75 rev->complete = 0; |
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76 |
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77 if (ngx_event_flags & NGX_USE_IOCP_EVENT) { |
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78 if (rev->ovlp.error) { |
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79 ngx_connection_error(c, rev->ovlp.error, "WSARecv() failed"); |
184
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80 return NGX_ERROR; |
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81 } |
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82 |
461 | 83 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, c->log, 0, |
84 "WSARecv ovlp: fd:%d %ul of %z", | |
85 c->fd, rev->available, size); | |
86 | |
184
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87 return rev->available; |
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88 } |
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89 |
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90 if (WSAGetOverlappedResult(c->fd, (LPWSAOVERLAPPED) &rev->ovlp, |
2776 | 91 &bytes, 0, NULL) |
92 == 0) | |
93 { | |
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94 ngx_connection_error(c, ngx_socket_errno, |
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95 "WSARecv() or WSAGetOverlappedResult() failed"); |
184
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96 return NGX_ERROR; |
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97 } |
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98 |
461 | 99 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, c->log, 0, |
100 "WSARecv: fd:%d %ul of %z", c->fd, bytes, size); | |
101 | |
184
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102 return bytes; |
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103 } |
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104 |
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105 ovlp = (LPWSAOVERLAPPED) &rev->ovlp; |
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106 ngx_memzero(ovlp, sizeof(WSAOVERLAPPED)); |
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107 wsabuf[0].buf = (char *) buf; |
184
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108 wsabuf[0].len = size; |
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109 flags = 0; |
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110 bytes = 0; |
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111 |
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112 rc = WSARecv(c->fd, wsabuf, 1, &bytes, &flags, ovlp, NULL); |
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113 |
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114 rev->complete = 0; |
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115 |
278
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nginx-0.0.2-2004-03-04-10:04:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
184
diff
changeset
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116 ngx_log_debug4(NGX_LOG_DEBUG_EVENT, c->log, 0, |
461 | 117 "WSARecv ovlp: fd:%d rc:%d %ul of %z", |
118 c->fd, rc, bytes, size); | |
184
1bf718ce0dde
nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
144
diff
changeset
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119 |
1bf718ce0dde
nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
144
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120 if (rc == -1) { |
1bf718ce0dde
nginx-0.0.1-2003-11-14-10:20:34 import
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parents:
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121 err = ngx_socket_errno; |
1bf718ce0dde
nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
144
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122 if (err == WSA_IO_PENDING) { |
1bf718ce0dde
nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
144
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123 rev->active = 1; |
461 | 124 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, err, |
125 "WSARecv() posted"); | |
184
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nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
144
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126 return NGX_AGAIN; |
1bf718ce0dde
nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
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144
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127 } |
1bf718ce0dde
nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
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128 |
1bf718ce0dde
nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
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129 rev->error = 1; |
278
0ba4821f4460
nginx-0.0.2-2004-03-04-10:04:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
184
diff
changeset
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130 ngx_connection_error(c, err, "WSARecv() failed"); |
184
1bf718ce0dde
nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
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131 return NGX_ERROR; |
1bf718ce0dde
nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
144
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132 } |
1bf718ce0dde
nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
144
diff
changeset
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133 |
1bf718ce0dde
nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
144
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134 if (ngx_event_flags & NGX_USE_IOCP_EVENT) { |
1bf718ce0dde
nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
144
diff
changeset
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135 |
1bf718ce0dde
nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
144
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136 /* |
1bf718ce0dde
nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
144
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137 * if a socket was bound with I/O completion port |
1bf718ce0dde
nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
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138 * then GetQueuedCompletionStatus() would anyway return its status |
1bf718ce0dde
nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
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139 * despite that WSARecv() was already complete |
1bf718ce0dde
nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
144
diff
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140 */ |
1bf718ce0dde
nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
144
diff
changeset
|
141 |
1bf718ce0dde
nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
144
diff
changeset
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142 rev->active = 1; |
1bf718ce0dde
nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
144
diff
changeset
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143 return NGX_AGAIN; |
1bf718ce0dde
nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
144
diff
changeset
|
144 } |
1bf718ce0dde
nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
144
diff
changeset
|
145 |
1bf718ce0dde
nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
144
diff
changeset
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146 rev->active = 0; |
1bf718ce0dde
nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
144
diff
changeset
|
147 |
1bf718ce0dde
nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
144
diff
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148 return bytes; |
1bf718ce0dde
nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
144
diff
changeset
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149 } |