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1 // Copyright 2013 The Chromium Authors. All rights reserved. | 1 // Copyright 2013 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "net/socket/tcp_socket.h" | 5 #include "net/socket/tcp_socket.h" |
6 #include "net/socket/tcp_socket_win.h" | 6 #include "net/socket/tcp_socket_win.h" |
7 | 7 |
8 #include <errno.h> | 8 #include <errno.h> |
9 #include <mstcpip.h> | 9 #include <mstcpip.h> |
10 | 10 |
11 #include "base/callback_helpers.h" | 11 #include "base/callback_helpers.h" |
12 #include "base/files/file_util.h" | 12 #include "base/files/file_util.h" |
13 #include "base/logging.h" | 13 #include "base/logging.h" |
| 14 #include "base/macros.h" |
14 #include "base/profiler/scoped_tracker.h" | 15 #include "base/profiler/scoped_tracker.h" |
15 #include "base/win/windows_version.h" | 16 #include "base/win/windows_version.h" |
16 #include "net/base/address_list.h" | 17 #include "net/base/address_list.h" |
17 #include "net/base/connection_type_histograms.h" | 18 #include "net/base/connection_type_histograms.h" |
18 #include "net/base/io_buffer.h" | 19 #include "net/base/io_buffer.h" |
19 #include "net/base/ip_endpoint.h" | 20 #include "net/base/ip_endpoint.h" |
20 #include "net/base/net_errors.h" | 21 #include "net/base/net_errors.h" |
21 #include "net/base/net_util.h" | 22 #include "net/base/net_util.h" |
22 #include "net/base/network_activity_monitor.h" | 23 #include "net/base/network_activity_monitor.h" |
23 #include "net/base/network_change_notifier.h" | 24 #include "net/base/network_change_notifier.h" |
24 #include "net/base/winsock_init.h" | 25 #include "net/base/winsock_init.h" |
25 #include "net/base/winsock_util.h" | 26 #include "net/base/winsock_util.h" |
26 #include "net/socket/socket_descriptor.h" | 27 #include "net/socket/socket_descriptor.h" |
27 #include "net/socket/socket_net_log_params.h" | 28 #include "net/socket/socket_net_log_params.h" |
28 | 29 |
29 namespace net { | 30 namespace net { |
30 | 31 |
31 namespace { | 32 namespace { |
32 | 33 |
33 const int kTCPKeepAliveSeconds = 45; | 34 const int kTCPKeepAliveSeconds = 45; |
34 | 35 |
35 int SetSocketReceiveBufferSize(SOCKET socket, int32 size) { | 36 int SetSocketReceiveBufferSize(SOCKET socket, int32_t size) { |
36 int rv = setsockopt(socket, SOL_SOCKET, SO_RCVBUF, | 37 int rv = setsockopt(socket, SOL_SOCKET, SO_RCVBUF, |
37 reinterpret_cast<const char*>(&size), sizeof(size)); | 38 reinterpret_cast<const char*>(&size), sizeof(size)); |
38 int net_error = (rv == 0) ? OK : MapSystemError(WSAGetLastError()); | 39 int net_error = (rv == 0) ? OK : MapSystemError(WSAGetLastError()); |
39 DCHECK(!rv) << "Could not set socket receive buffer size: " << net_error; | 40 DCHECK(!rv) << "Could not set socket receive buffer size: " << net_error; |
40 return net_error; | 41 return net_error; |
41 } | 42 } |
42 | 43 |
43 int SetSocketSendBufferSize(SOCKET socket, int32 size) { | 44 int SetSocketSendBufferSize(SOCKET socket, int32_t size) { |
44 int rv = setsockopt(socket, SOL_SOCKET, SO_SNDBUF, | 45 int rv = setsockopt(socket, SOL_SOCKET, SO_SNDBUF, |
45 reinterpret_cast<const char*>(&size), sizeof(size)); | 46 reinterpret_cast<const char*>(&size), sizeof(size)); |
46 int net_error = (rv == 0) ? OK : MapSystemError(WSAGetLastError()); | 47 int net_error = (rv == 0) ? OK : MapSystemError(WSAGetLastError()); |
47 DCHECK(!rv) << "Could not set socket send buffer size: " << net_error; | 48 DCHECK(!rv) << "Could not set socket send buffer size: " << net_error; |
48 return net_error; | 49 return net_error; |
49 } | 50 } |
50 | 51 |
51 // Disable Nagle. | 52 // Disable Nagle. |
52 // The Nagle implementation on windows is governed by RFC 896. The idea | 53 // The Nagle implementation on windows is governed by RFC 896. The idea |
53 // behind Nagle is to reduce small packets on the network. When Nagle is | 54 // behind Nagle is to reduce small packets on the network. When Nagle is |
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583 // performance testing, there is substantial benefit by increasing from 8KB | 584 // performance testing, there is substantial benefit by increasing from 8KB |
584 // to 64KB. | 585 // to 64KB. |
585 // See also: | 586 // See also: |
586 // http://support.microsoft.com/kb/823764/EN-US | 587 // http://support.microsoft.com/kb/823764/EN-US |
587 // On Vista, if we manually set these sizes, Vista turns off its receive | 588 // On Vista, if we manually set these sizes, Vista turns off its receive |
588 // window auto-tuning feature. | 589 // window auto-tuning feature. |
589 // http://blogs.msdn.com/wndp/archive/2006/05/05/Winhec-blog-tcpip-2.aspx | 590 // http://blogs.msdn.com/wndp/archive/2006/05/05/Winhec-blog-tcpip-2.aspx |
590 // Since Vista's auto-tune is better than any static value we can could set, | 591 // Since Vista's auto-tune is better than any static value we can could set, |
591 // only change these on pre-vista machines. | 592 // only change these on pre-vista machines. |
592 if (base::win::GetVersion() < base::win::VERSION_VISTA) { | 593 if (base::win::GetVersion() < base::win::VERSION_VISTA) { |
593 const int32 kSocketBufferSize = 64 * 1024; | 594 const int32_t kSocketBufferSize = 64 * 1024; |
594 SetSocketReceiveBufferSize(socket_, kSocketBufferSize); | 595 SetSocketReceiveBufferSize(socket_, kSocketBufferSize); |
595 SetSocketSendBufferSize(socket_, kSocketBufferSize); | 596 SetSocketSendBufferSize(socket_, kSocketBufferSize); |
596 } | 597 } |
597 | 598 |
598 DisableNagle(socket_, true); | 599 DisableNagle(socket_, true); |
599 SetTCPKeepAlive(socket_, true, kTCPKeepAliveSeconds); | 600 SetTCPKeepAlive(socket_, true, kTCPKeepAliveSeconds); |
600 } | 601 } |
601 | 602 |
602 int TCPSocketWin::SetExclusiveAddrUse() { | 603 int TCPSocketWin::SetExclusiveAddrUse() { |
603 // On Windows, a bound end point can be hijacked by another process by | 604 // On Windows, a bound end point can be hijacked by another process by |
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618 | 619 |
619 BOOL true_value = 1; | 620 BOOL true_value = 1; |
620 int rv = setsockopt(socket_, SOL_SOCKET, SO_EXCLUSIVEADDRUSE, | 621 int rv = setsockopt(socket_, SOL_SOCKET, SO_EXCLUSIVEADDRUSE, |
621 reinterpret_cast<const char*>(&true_value), | 622 reinterpret_cast<const char*>(&true_value), |
622 sizeof(true_value)); | 623 sizeof(true_value)); |
623 if (rv < 0) | 624 if (rv < 0) |
624 return MapSystemError(errno); | 625 return MapSystemError(errno); |
625 return OK; | 626 return OK; |
626 } | 627 } |
627 | 628 |
628 int TCPSocketWin::SetReceiveBufferSize(int32 size) { | 629 int TCPSocketWin::SetReceiveBufferSize(int32_t size) { |
629 DCHECK(CalledOnValidThread()); | 630 DCHECK(CalledOnValidThread()); |
630 return SetSocketReceiveBufferSize(socket_, size); | 631 return SetSocketReceiveBufferSize(socket_, size); |
631 } | 632 } |
632 | 633 |
633 int TCPSocketWin::SetSendBufferSize(int32 size) { | 634 int TCPSocketWin::SetSendBufferSize(int32_t size) { |
634 DCHECK(CalledOnValidThread()); | 635 DCHECK(CalledOnValidThread()); |
635 return SetSocketSendBufferSize(socket_, size); | 636 return SetSocketSendBufferSize(socket_, size); |
636 } | 637 } |
637 | 638 |
638 bool TCPSocketWin::SetKeepAlive(bool enable, int delay) { | 639 bool TCPSocketWin::SetKeepAlive(bool enable, int delay) { |
639 return SetTCPKeepAlive(socket_, enable, delay); | 640 return SetTCPKeepAlive(socket_, enable, delay); |
640 } | 641 } |
641 | 642 |
642 bool TCPSocketWin::SetNoDelay(bool no_delay) { | 643 bool TCPSocketWin::SetNoDelay(bool no_delay) { |
643 return DisableNagle(socket_, no_delay); | 644 return DisableNagle(socket_, no_delay); |
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1050 } | 1051 } |
1051 | 1052 |
1052 bool TCPSocketWin::GetEstimatedRoundTripTime(base::TimeDelta* out_rtt) const { | 1053 bool TCPSocketWin::GetEstimatedRoundTripTime(base::TimeDelta* out_rtt) const { |
1053 DCHECK(out_rtt); | 1054 DCHECK(out_rtt); |
1054 // TODO(bmcquade): Consider implementing using | 1055 // TODO(bmcquade): Consider implementing using |
1055 // GetPerTcpConnectionEStats/GetPerTcp6ConnectionEStats. | 1056 // GetPerTcpConnectionEStats/GetPerTcp6ConnectionEStats. |
1056 return false; | 1057 return false; |
1057 } | 1058 } |
1058 | 1059 |
1059 } // namespace net | 1060 } // namespace net |
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