Mercurial > hg > nginx
annotate src/os/win32/ngx_wsarecv.c @ 2483:29494780d978
free addrs only it has been allocated before: non single address
author | Igor Sysoev <igor@sysoev.ru> |
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date | Thu, 29 Jan 2009 14:32:58 +0000 |
parents | e438ec9e736a |
children | 01c691e31032 |
rev | line source |
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1 |
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2 /* |
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3 * Copyright (C) Igor Sysoev |
441
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4 */ |
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5 |
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6 |
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7 #include <ngx_config.h> |
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8 #include <ngx_core.h> |
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9 #include <ngx_event.h> |
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10 |
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11 |
1680 | 12 ssize_t |
13 ngx_wsarecv(ngx_connection_t *c, u_char *buf, size_t size) | |
103
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14 { |
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15 int rc; |
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16 u_long bytes, flags; |
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17 WSABUF wsabuf[1]; |
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18 ngx_err_t err; |
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19 ngx_event_t *rev; |
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20 |
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21 wsabuf[0].buf = (char *) buf; |
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22 wsabuf[0].len = size; |
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23 flags = 0; |
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24 bytes = 0; |
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25 |
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26 rc = WSARecv(c->fd, wsabuf, 1, &bytes, &flags, NULL, NULL); |
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27 |
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28 ngx_log_debug4(NGX_LOG_DEBUG_EVENT, c->log, 0, |
461 | 29 "WSARecv: fd:%d rc:%d %ul of %z", c->fd, rc, bytes, size); |
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30 |
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31 rev = c->read; |
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32 |
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33 if (rc == -1) { |
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34 rev->ready = 0; |
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35 err = ngx_socket_errno; |
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36 |
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37 if (err == WSAEWOULDBLOCK) { |
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38 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, err, |
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39 "WSARecv() not ready"); |
184
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40 return NGX_AGAIN; |
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41 } |
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42 |
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43 rev->error = 1; |
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44 ngx_connection_error(c, err, "WSARecv() failed"); |
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45 |
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46 return NGX_ERROR; |
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47 } |
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48 |
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49 if (bytes < size) { |
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50 rev->ready = 0; |
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51 } |
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52 |
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53 if (bytes == 0) { |
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54 rev->eof = 1; |
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55 } |
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56 |
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57 return bytes; |
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58 } |
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59 |
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60 |
1680 | 61 ssize_t |
62 ngx_overlapped_wsarecv(ngx_connection_t *c, u_char *buf, size_t size) | |
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63 { |
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64 int rc; |
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65 u_long bytes, flags; |
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66 WSABUF wsabuf[1]; |
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67 ngx_err_t err; |
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68 ngx_event_t *rev; |
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69 LPWSAOVERLAPPED ovlp; |
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70 |
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71 rev = c->read; |
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72 |
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73 if (!rev->ready) { |
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74 ngx_log_error(NGX_LOG_ALERT, c->log, 0, "second wsa post"); |
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75 return NGX_AGAIN; |
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76 } |
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77 |
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78 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, |
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79 "rev->complete: %d", rev->complete); |
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80 |
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81 if (rev->complete) { |
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82 rev->complete = 0; |
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83 |
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84 if (ngx_event_flags & NGX_USE_IOCP_EVENT) { |
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85 if (rev->ovlp.error) { |
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86 ngx_connection_error(c, rev->ovlp.error, "WSARecv() failed"); |
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87 return NGX_ERROR; |
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88 } |
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89 |
461 | 90 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, c->log, 0, |
91 "WSARecv ovlp: fd:%d %ul of %z", | |
92 c->fd, rev->available, size); | |
93 | |
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94 return rev->available; |
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95 } |
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96 |
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97 if (WSAGetOverlappedResult(c->fd, (LPWSAOVERLAPPED) &rev->ovlp, |
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98 &bytes, 0, NULL) == 0) { |
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99 ngx_connection_error(c, ngx_socket_errno, |
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100 "WSARecv() or WSAGetOverlappedResult() failed"); |
184
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101 return NGX_ERROR; |
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102 } |
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103 |
461 | 104 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, c->log, 0, |
105 "WSARecv: fd:%d %ul of %z", c->fd, bytes, size); | |
106 | |
184
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107 return bytes; |
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108 } |
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109 |
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110 ovlp = (LPWSAOVERLAPPED) &rev->ovlp; |
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111 ngx_memzero(ovlp, sizeof(WSAOVERLAPPED)); |
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112 wsabuf[0].buf = (char *) buf; |
184
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Igor Sysoev <igor@sysoev.ru>
parents:
144
diff
changeset
|
113 wsabuf[0].len = size; |
1bf718ce0dde
nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
144
diff
changeset
|
114 flags = 0; |
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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115 bytes = 0; |
1bf718ce0dde
nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
144
diff
changeset
|
116 |
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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117 rc = WSARecv(c->fd, wsabuf, 1, &bytes, &flags, ovlp, NULL); |
1bf718ce0dde
nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
144
diff
changeset
|
118 |
1bf718ce0dde
nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
144
diff
changeset
|
119 rev->complete = 0; |
1bf718ce0dde
nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
144
diff
changeset
|
120 |
278
0ba4821f4460
nginx-0.0.2-2004-03-04-10:04:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
184
diff
changeset
|
121 ngx_log_debug4(NGX_LOG_DEBUG_EVENT, c->log, 0, |
461 | 122 "WSARecv ovlp: fd:%d rc:%d %ul of %z", |
123 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
|
124 |
1bf718ce0dde
nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
144
diff
changeset
|
125 if (rc == -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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126 err = ngx_socket_errno; |
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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127 if (err == WSA_IO_PENDING) { |
1bf718ce0dde
nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
144
diff
changeset
|
128 rev->active = 1; |
461 | 129 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, err, |
130 "WSARecv() posted"); | |
184
1bf718ce0dde
nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
144
diff
changeset
|
131 return NGX_AGAIN; |
1bf718ce0dde
nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
144
diff
changeset
|
132 } |
1bf718ce0dde
nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
144
diff
changeset
|
133 |
1bf718ce0dde
nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
144
diff
changeset
|
134 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
|
135 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>
parents:
144
diff
changeset
|
136 return NGX_ERROR; |
1bf718ce0dde
nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
144
diff
changeset
|
137 } |
1bf718ce0dde
nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
144
diff
changeset
|
138 |
1bf718ce0dde
nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
144
diff
changeset
|
139 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
|
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
|
142 * 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:
144
diff
changeset
|
143 * 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:
144
diff
changeset
|
144 * 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
changeset
|
145 */ |
1bf718ce0dde
nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
144
diff
changeset
|
146 |
1bf718ce0dde
nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
144
diff
changeset
|
147 rev->active = 1; |
1bf718ce0dde
nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
144
diff
changeset
|
148 return NGX_AGAIN; |
1bf718ce0dde
nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
144
diff
changeset
|
149 } |
1bf718ce0dde
nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
144
diff
changeset
|
150 |
1bf718ce0dde
nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
144
diff
changeset
|
151 if (bytes == 0) { |
1bf718ce0dde
nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
144
diff
changeset
|
152 rev->eof = 1; |
1bf718ce0dde
nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
144
diff
changeset
|
153 rev->ready = 0; |
1bf718ce0dde
nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
144
diff
changeset
|
154 |
1bf718ce0dde
nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
144
diff
changeset
|
155 } else { |
1bf718ce0dde
nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
144
diff
changeset
|
156 rev->ready = 1; |
1bf718ce0dde
nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
144
diff
changeset
|
157 } |
1bf718ce0dde
nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
144
diff
changeset
|
158 |
1bf718ce0dde
nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
144
diff
changeset
|
159 rev->active = 0; |
1bf718ce0dde
nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
144
diff
changeset
|
160 |
1bf718ce0dde
nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
144
diff
changeset
|
161 return bytes; |
1bf718ce0dde
nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
144
diff
changeset
|
162 } |