Mercurial > hg > nginx-quic
annotate src/os/win32/ngx_wsarecv.c @ 5110:0bbdd966a383
Request body: next upstream fix.
After introduction of chunked request body handling in 1.3.9 (r4931),
r->request_body->bufs buffers have b->start pointing to original buffer
start (and b->pos pointing to real data of this particular buffer).
While this is ok as per se, it caused bad things (usually original request
headers included before the request body) after reinit of the request
chain in ngx_http_upstream_reinit() while sending the request to a next
upstream server (which used to do b->pos = b->start for each buffer
in the request chain).
Patch by Piotr Sikora.
author | Maxim Dounin <mdounin@mdounin.ru> |
---|---|
date | Thu, 14 Mar 2013 12:28:53 +0000 |
parents | d620f497c50f |
children | 3d2d3e1cf427 |
rev | line source |
---|---|
441
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1 |
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2 /* |
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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 |
14 ngx_wsarecv(ngx_connection_t *c, u_char *buf, size_t size) | |
103
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15 { |
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16 int rc; |
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17 u_long bytes, flags; |
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18 WSABUF wsabuf[1]; |
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19 ngx_err_t err; |
2775 | 20 ngx_uint_t n; |
184
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21 ngx_event_t *rev; |
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22 |
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23 wsabuf[0].buf = (char *) buf; |
184
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24 wsabuf[0].len = size; |
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25 flags = 0; |
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26 bytes = 0; |
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27 |
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28 rc = WSARecv(c->fd, wsabuf, 1, &bytes, &flags, NULL, NULL); |
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29 |
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30 ngx_log_debug4(NGX_LOG_DEBUG_EVENT, c->log, 0, |
461 | 31 "WSARecv: fd:%d rc:%d %ul of %z", c->fd, rc, bytes, size); |
184
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32 |
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33 rev = c->read; |
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34 |
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35 if (rc == -1) { |
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36 rev->ready = 0; |
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37 err = ngx_socket_errno; |
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38 |
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39 if (err == WSAEWOULDBLOCK) { |
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40 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, err, |
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41 "WSARecv() not ready"); |
184
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42 return NGX_AGAIN; |
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43 } |
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44 |
2775 | 45 n = ngx_connection_error(c, err, "WSARecv() failed"); |
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46 |
3642 | 47 if (n == NGX_ERROR) { |
2775 | 48 rev->error = 1; |
49 } | |
50 | |
51 return n; | |
184
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52 } |
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53 |
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54 if (bytes < size) { |
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55 rev->ready = 0; |
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56 } |
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57 |
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58 if (bytes == 0) { |
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59 rev->eof = 1; |
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60 } |
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61 |
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62 return bytes; |
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63 } |
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64 |
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65 |
1680 | 66 ssize_t |
67 ngx_overlapped_wsarecv(ngx_connection_t *c, u_char *buf, size_t size) | |
184
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68 { |
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69 int rc; |
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70 u_long bytes, flags; |
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71 WSABUF wsabuf[1]; |
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72 ngx_err_t err; |
2775 | 73 ngx_uint_t n; |
184
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74 ngx_event_t *rev; |
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75 LPWSAOVERLAPPED ovlp; |
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76 |
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77 rev = c->read; |
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78 |
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79 if (!rev->ready) { |
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80 ngx_log_error(NGX_LOG_ALERT, c->log, 0, "second wsa post"); |
184
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81 return NGX_AGAIN; |
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82 } |
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83 |
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84 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, |
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85 "rev->complete: %d", rev->complete); |
184
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86 |
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87 if (rev->complete) { |
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88 rev->complete = 0; |
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89 |
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90 if (ngx_event_flags & NGX_USE_IOCP_EVENT) { |
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91 if (rev->ovlp.error) { |
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92 ngx_connection_error(c, rev->ovlp.error, "WSARecv() failed"); |
184
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93 return NGX_ERROR; |
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94 } |
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95 |
461 | 96 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, c->log, 0, |
97 "WSARecv ovlp: fd:%d %ul of %z", | |
98 c->fd, rev->available, size); | |
99 | |
184
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100 return rev->available; |
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101 } |
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102 |
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103 if (WSAGetOverlappedResult(c->fd, (LPWSAOVERLAPPED) &rev->ovlp, |
2776 | 104 &bytes, 0, NULL) |
105 == 0) | |
106 { | |
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107 ngx_connection_error(c, ngx_socket_errno, |
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108 "WSARecv() or WSAGetOverlappedResult() failed"); |
184
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109 return NGX_ERROR; |
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110 } |
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111 |
461 | 112 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, c->log, 0, |
113 "WSARecv: fd:%d %ul of %z", c->fd, bytes, size); | |
114 | |
184
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115 return bytes; |
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116 } |
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117 |
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118 ovlp = (LPWSAOVERLAPPED) &rev->ovlp; |
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119 ngx_memzero(ovlp, sizeof(WSAOVERLAPPED)); |
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120 wsabuf[0].buf = (char *) buf; |
184
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diff
changeset
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121 wsabuf[0].len = size; |
1bf718ce0dde
nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
144
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122 flags = 0; |
1bf718ce0dde
nginx-0.0.1-2003-11-14-10:20:34 import
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parents:
144
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123 bytes = 0; |
1bf718ce0dde
nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
144
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124 |
1bf718ce0dde
nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
144
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125 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:
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126 |
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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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127 rev->complete = 0; |
1bf718ce0dde
nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
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128 |
278
0ba4821f4460
nginx-0.0.2-2004-03-04-10:04:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
184
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129 ngx_log_debug4(NGX_LOG_DEBUG_EVENT, c->log, 0, |
461 | 130 "WSARecv ovlp: fd:%d rc:%d %ul of %z", |
131 c->fd, rc, bytes, size); | |
184
1bf718ce0dde
nginx-0.0.1-2003-11-14-10:20:34 import
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parents:
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132 |
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nginx-0.0.1-2003-11-14-10:20:34 import
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133 if (rc == -1) { |
1bf718ce0dde
nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
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134 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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135 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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136 rev->active = 1; |
461 | 137 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, err, |
138 "WSARecv() posted"); | |
184
1bf718ce0dde
nginx-0.0.1-2003-11-14-10:20:34 import
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parents:
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139 return NGX_AGAIN; |
1bf718ce0dde
nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
144
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140 } |
1bf718ce0dde
nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
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141 |
2775 | 142 n = ngx_connection_error(c, err, "WSARecv() failed"); |
143 | |
3642 | 144 if (n == NGX_ERROR) { |
2775 | 145 rev->error = 1; |
146 } | |
147 | |
148 return n; | |
184
1bf718ce0dde
nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
144
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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
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151 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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152 |
1bf718ce0dde
nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
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153 /* |
1bf718ce0dde
nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
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154 * 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
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155 * 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
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156 * despite that WSARecv() was already complete |
1bf718ce0dde
nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
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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
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159 rev->active = 1; |
1bf718ce0dde
nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
144
diff
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160 return NGX_AGAIN; |
1bf718ce0dde
nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
144
diff
changeset
|
161 } |
1bf718ce0dde
nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
144
diff
changeset
|
162 |
1bf718ce0dde
nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
144
diff
changeset
|
163 if (bytes == 0) { |
1bf718ce0dde
nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
144
diff
changeset
|
164 rev->eof = 1; |
1bf718ce0dde
nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
144
diff
changeset
|
165 rev->ready = 0; |
1bf718ce0dde
nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
144
diff
changeset
|
166 |
1bf718ce0dde
nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
144
diff
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|
167 } else { |
1bf718ce0dde
nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
144
diff
changeset
|
168 rev->ready = 1; |
1bf718ce0dde
nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
144
diff
changeset
|
169 } |
1bf718ce0dde
nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
144
diff
changeset
|
170 |
1bf718ce0dde
nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
144
diff
changeset
|
171 rev->active = 0; |
1bf718ce0dde
nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
144
diff
changeset
|
172 |
1bf718ce0dde
nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
144
diff
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|
173 return bytes; |
1bf718ce0dde
nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
144
diff
changeset
|
174 } |