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1 /* | 1 /* |
2 * Copyright (c) 2013 The WebRTC project authors. All Rights Reserved. | 2 * Copyright (c) 2013 The WebRTC project authors. All Rights Reserved. |
3 * | 3 * |
4 * Use of this source code is governed by a BSD-style license | 4 * Use of this source code is governed by a BSD-style license |
5 * that can be found in the LICENSE file in the root of the source | 5 * that can be found in the LICENSE file in the root of the source |
6 * tree. An additional intellectual property rights grant can be found | 6 * tree. An additional intellectual property rights grant can be found |
7 * in the file PATENTS. All contributing project authors may | 7 * in the file PATENTS. All contributing project authors may |
8 * be found in the AUTHORS file in the root of the source tree. | 8 * be found in the AUTHORS file in the root of the source tree. |
9 */ | 9 */ |
10 | 10 |
11 #include "webrtc/call/transport_adapter.h" | 11 #include "webrtc/call/transport_adapter.h" |
12 | 12 |
| 13 #include "webrtc/base/atomicops.h" |
13 #include "webrtc/base/checks.h" | 14 #include "webrtc/base/checks.h" |
14 | 15 |
15 namespace webrtc { | 16 namespace webrtc { |
16 namespace internal { | 17 namespace internal { |
17 | 18 |
18 TransportAdapter::TransportAdapter(newapi::Transport* transport) | 19 TransportAdapter::TransportAdapter(newapi::Transport* transport) |
19 : transport_(transport), enabled_(0) { | 20 : transport_(transport), enabled_(0) { |
20 RTC_DCHECK(nullptr != transport); | 21 RTC_DCHECK(nullptr != transport); |
21 } | 22 } |
22 | 23 |
23 int TransportAdapter::SendPacket(const void* packet, size_t length) { | 24 int TransportAdapter::SendPacket(const void* packet, size_t length) { |
24 if (enabled_.Value() == 0) | 25 if (rtc::AtomicOps::AcquireLoad(&enabled_) == 0) |
25 return false; | 26 return false; |
26 | 27 |
27 bool success = transport_->SendRtp(static_cast<const uint8_t*>(packet), | 28 bool success = transport_->SendRtp(static_cast<const uint8_t*>(packet), |
28 length); | 29 length); |
29 return success ? static_cast<int>(length) : -1; | 30 return success ? static_cast<int>(length) : -1; |
30 } | 31 } |
31 | 32 |
32 int TransportAdapter::SendRTCPPacket(const void* packet, size_t length) { | 33 int TransportAdapter::SendRTCPPacket(const void* packet, size_t length) { |
33 if (enabled_.Value() == 0) | 34 if (rtc::AtomicOps::AcquireLoad(&enabled_) == 0) |
34 return false; | 35 return false; |
35 | 36 |
36 bool success = transport_->SendRtcp(static_cast<const uint8_t*>(packet), | 37 bool success = transport_->SendRtcp(static_cast<const uint8_t*>(packet), |
37 length); | 38 length); |
38 return success ? static_cast<int>(length) : -1; | 39 return success ? static_cast<int>(length) : -1; |
39 } | 40 } |
40 | 41 |
41 void TransportAdapter::Enable() { | 42 void TransportAdapter::Enable() { |
42 // If this exchange fails it means enabled_ was already true, no need to | 43 rtc::AtomicOps::ReleaseStore(&enabled_, 1); |
43 // check result and iterate. | |
44 enabled_.CompareExchange(1, 0); | |
45 } | 44 } |
46 | 45 |
47 void TransportAdapter::Disable() { enabled_.CompareExchange(0, 1); } | 46 void TransportAdapter::Disable() { |
| 47 rtc::AtomicOps::ReleaseStore(&enabled_, 0); |
| 48 } |
48 | 49 |
49 } // namespace internal | 50 } // namespace internal |
50 } // namespace webrtc | 51 } // namespace webrtc |
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