diff options
Diffstat (limited to 'third_party/libwebrtc/sdk/objc/native/src/objc_network_monitor.mm')
-rw-r--r-- | third_party/libwebrtc/sdk/objc/native/src/objc_network_monitor.mm | 95 |
1 files changed, 95 insertions, 0 deletions
diff --git a/third_party/libwebrtc/sdk/objc/native/src/objc_network_monitor.mm b/third_party/libwebrtc/sdk/objc/native/src/objc_network_monitor.mm new file mode 100644 index 0000000000..535548c64c --- /dev/null +++ b/third_party/libwebrtc/sdk/objc/native/src/objc_network_monitor.mm @@ -0,0 +1,95 @@ +/* + * Copyright 2020 The WebRTC project authors. All Rights Reserved. + * + * Use of this source code is governed by a BSD-style license + * that can be found in the LICENSE file in the root of the source + * tree. An additional intellectual property rights grant can be found + * in the file PATENTS. All contributing project authors may + * be found in the AUTHORS file in the root of the source tree. + */ + +#include "sdk/objc/native/src/objc_network_monitor.h" +#include "absl/strings/string_view.h" + +#include <algorithm> + +#include "rtc_base/logging.h" +#include "rtc_base/string_utils.h" + +namespace webrtc { + +rtc::NetworkMonitorInterface* ObjCNetworkMonitorFactory::CreateNetworkMonitor( + const FieldTrialsView& field_trials) { + return new ObjCNetworkMonitor(); +} + +ObjCNetworkMonitor::ObjCNetworkMonitor() { + safety_flag_ = PendingTaskSafetyFlag::Create(); +} + +ObjCNetworkMonitor::~ObjCNetworkMonitor() { + [network_monitor_ stop]; + network_monitor_ = nil; +} + +void ObjCNetworkMonitor::Start() { + if (started_) { + return; + } + thread_ = rtc::Thread::Current(); + RTC_DCHECK_RUN_ON(thread_); + safety_flag_->SetAlive(); + network_monitor_ = [[RTCNetworkMonitor alloc] initWithObserver:this]; + if (network_monitor_ == nil) { + RTC_LOG(LS_WARNING) << "Failed to create RTCNetworkMonitor; not available on this OS?"; + } + started_ = true; +} + +void ObjCNetworkMonitor::Stop() { + RTC_DCHECK_RUN_ON(thread_); + if (!started_) { + return; + } + safety_flag_->SetNotAlive(); + [network_monitor_ stop]; + network_monitor_ = nil; + started_ = false; +} + +rtc::NetworkMonitorInterface::InterfaceInfo ObjCNetworkMonitor::GetInterfaceInfo( + absl::string_view interface_name) { + RTC_DCHECK_RUN_ON(thread_); + if (adapter_type_by_name_.empty()) { + // If we have no path update, assume everything's available, because it's + // preferable for WebRTC to try all interfaces rather than none at all. + return { + .adapter_type = rtc::ADAPTER_TYPE_UNKNOWN, + .available = true, + }; + } + auto iter = adapter_type_by_name_.find(interface_name); + if (iter == adapter_type_by_name_.end()) { + return { + .adapter_type = rtc::ADAPTER_TYPE_UNKNOWN, + .available = false, + }; + } + + return { + .adapter_type = iter->second, + .available = true, + }; +} + +void ObjCNetworkMonitor::OnPathUpdate( + std::map<std::string, rtc::AdapterType, rtc::AbslStringViewCmp> adapter_type_by_name) { + RTC_DCHECK(network_monitor_ != nil); + thread_->PostTask(SafeTask(safety_flag_, [this, adapter_type_by_name] { + RTC_DCHECK_RUN_ON(thread_); + adapter_type_by_name_ = adapter_type_by_name; + InvokeNetworksChangedCallback(); + })); +} + +} // namespace webrtc |