| /* |
| * Copyright (C) 2017 Apple Inc. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * |
| * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' |
| * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, |
| * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS |
| * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
| * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
| * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF |
| * THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #include "config.h" |
| #include "WebRTCMonitor.h" |
| |
| #if USE(LIBWEBRTC) |
| |
| #include "Logging.h" |
| #include "NetworkConnectionToWebProcessMessages.h" |
| #include "NetworkProcessConnection.h" |
| #include "NetworkRTCMonitorMessages.h" |
| #include "WebProcess.h" |
| #include <WebCore/LibWebRTCMacros.h> |
| #include <webrtc/rtc_base/net_helpers.h> |
| #include <wtf/MainThread.h> |
| |
| namespace WebKit { |
| |
| void WebRTCMonitor::sendOnMainThread(Function<void(IPC::Connection&)>&& callback) |
| { |
| callOnMainThread([callback = WTFMove(callback)]() { |
| callback(WebProcess::singleton().ensureNetworkProcessConnection().connection()); |
| }); |
| } |
| |
| void WebRTCMonitor::StartUpdating() |
| { |
| RELEASE_LOG(WebRTC, "WebRTCMonitor::StartUpdating"); |
| if (m_receivedNetworkList) { |
| WebCore::LibWebRTCProvider::callOnWebRTCNetworkThread([this] { |
| SignalNetworksChanged(); |
| }); |
| } |
| |
| sendOnMainThread([](IPC::Connection& connection) { |
| RELEASE_LOG(WebRTC, "WebRTCMonitor asks network process to start updating"); |
| connection.send(Messages::NetworkRTCMonitor::StartUpdatingIfNeeded(), 0); |
| }); |
| ++m_clientCount; |
| } |
| |
| void WebRTCMonitor::StopUpdating() |
| { |
| RELEASE_LOG(WebRTC, "WebRTCMonitor::StopUpdating"); |
| ASSERT(m_clientCount); |
| if (--m_clientCount) |
| return; |
| |
| sendOnMainThread([](IPC::Connection& connection) { |
| RELEASE_LOG(WebRTC, "WebRTCMonitor asks network process to stop updating"); |
| connection.send(Messages::NetworkRTCMonitor::StopUpdating(), 0); |
| }); |
| } |
| |
| void WebRTCMonitor::networksChanged(const Vector<RTCNetwork>& networks, const RTCNetwork::IPAddress& ipv4, const RTCNetwork::IPAddress& ipv6) |
| { |
| RELEASE_LOG(WebRTC, "WebRTCMonitor::networksChanged"); |
| // No need to protect 'this' as it has the lifetime of LibWebRTC which has the lifetime of the web process. |
| WebCore::LibWebRTCProvider::callOnWebRTCNetworkThread([this, networks, ipv4, ipv6] { |
| std::vector<rtc::Network*> networkList(networks.size()); |
| for (size_t index = 0; index < networks.size(); ++index) |
| networkList[index] = new rtc::Network(networks[index].value()); |
| |
| bool forceSignaling = !m_receivedNetworkList; |
| m_receivedNetworkList = true; |
| |
| bool hasChanged; |
| set_default_local_addresses(ipv4.value, ipv6.value); |
| MergeNetworkList(networkList, &hasChanged); |
| if (hasChanged || forceSignaling) |
| SignalNetworksChanged(); |
| |
| }); |
| } |
| |
| void WebRTCMonitor::networkProcessCrashed() |
| { |
| m_receivedNetworkList = false; |
| if (!WebCore::LibWebRTCProvider::hasWebRTCThreads()) |
| return; |
| |
| // In case we have clients waiting for networksChanged, we call SignalNetworksChanged to make sure they do not wait for nothing. |
| WebCore::LibWebRTCProvider::callOnWebRTCNetworkThread([this] { |
| SignalNetworksChanged(); |
| }); |
| } |
| |
| } // namespace WebKit |
| |
| #endif // USE(LIBWEBRTC) |