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| 1 /* | |
| 2 * Copyright 2015 The WebRTC Project Authors. All rights reserved. | |
| 3 * | |
| 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 | |
| 6 * tree. An additional intellectual property rights grant can be found | |
| 7 * in the file PATENTS. All contributing project authors may | |
| 8 * be found in the AUTHORS file in the root of the source tree. | |
| 9 */ | |
| 10 | |
| 11 #include "webrtc/base/networkmonitor.h" | |
| 12 | |
| 13 #include "webrtc/base/checks.h" | |
| 14 | |
| 15 namespace { | |
| 16 const uint32_t UPDATE_NETWORKS_MESSAGE = 1; | |
| 17 | |
| 18 // This is set by NetworkMonitorFactory::SetFactory and the caller of | |
| 19 // NetworkMonitorFactory::SetFactory must be responsible for calling | |
| 20 // ReleaseFactory to destroy the factory. | |
| 21 rtc::NetworkMonitorFactory* network_monitor_factory = nullptr; | |
| 22 } // namespace | |
| 23 | |
| 24 namespace rtc { | |
| 25 NetworkMonitorInterface::NetworkMonitorInterface() {} | |
| 26 | |
| 27 NetworkMonitorInterface::~NetworkMonitorInterface() {} | |
| 28 | |
| 29 NetworkMonitorBase::NetworkMonitorBase() : worker_thread_(Thread::Current()) {} | |
| 30 NetworkMonitorBase::~NetworkMonitorBase() {} | |
| 31 | |
| 32 void NetworkMonitorBase::OnNetworksChanged() { | |
| 33 LOG(LS_VERBOSE) << "Network change is received at the network monitor"; | |
| 34 worker_thread_->Post(RTC_FROM_HERE, this, UPDATE_NETWORKS_MESSAGE); | |
| 35 } | |
| 36 | |
| 37 void NetworkMonitorBase::OnMessage(Message* msg) { | |
| 38 RTC_DCHECK(msg->message_id == UPDATE_NETWORKS_MESSAGE); | |
| 39 SignalNetworksChanged(); | |
| 40 } | |
| 41 | |
| 42 NetworkMonitorFactory::NetworkMonitorFactory() {} | |
| 43 NetworkMonitorFactory::~NetworkMonitorFactory() {} | |
| 44 | |
| 45 void NetworkMonitorFactory::SetFactory(NetworkMonitorFactory* factory) { | |
| 46 if (network_monitor_factory != nullptr) { | |
| 47 delete network_monitor_factory; | |
| 48 } | |
| 49 network_monitor_factory = factory; | |
| 50 } | |
| 51 | |
| 52 void NetworkMonitorFactory::ReleaseFactory(NetworkMonitorFactory* factory) { | |
| 53 if (factory == network_monitor_factory) { | |
| 54 SetFactory(nullptr); | |
| 55 } | |
| 56 } | |
| 57 | |
| 58 NetworkMonitorFactory* NetworkMonitorFactory::GetFactory() { | |
| 59 return network_monitor_factory; | |
| 60 } | |
| 61 | |
| 62 } // namespace rtc | |
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