1 files changed, 99 insertions, 0 deletions
diff --git a/Source/WebKit2/WebProcess/Network/webrtc/WebRTCMonitor.cpp b/Source/WebKit2/WebProcess/Network/webrtc/WebRTCMonitor.cpp
new file mode 100644
index 000000000..9eac494bb
--- /dev/null
+++ b/Source/WebKit2/WebProcess/Network/webrtc/WebRTCMonitor.cpp
@@ -0,0 +1,99 @@
+/*
+ * 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 "NetworkConnectionToWebProcessMessages.h"
+#include "NetworkProcessConnection.h"
+#include "NetworkRTCMonitorMessages.h"
+#include "WebProcess.h"
+#include <WebCore/LibWebRTCMacros.h>
+#include <webrtc/base/nethelpers.h>
+#include <wtf/MainThread.h>
+
+namespace WebKit {
+
+static inline void sendOnMainThread(Function<void(IPC::Connection&)>&& callback)
+{
+    callOnMainThread([callback = WTFMove(callback)]() {
+        callback(WebProcess::singleton().networkConnection().connection());
+    });
+}
+
+void WebRTCMonitor::StartUpdating()
+{
+    if (m_clientCount) {
+        // Need to signal new client that we already have the network list, let's do it asynchronously
+        if (m_receivedNetworkList) {
+            WebCore::LibWebRTCProvider::callOnWebRTCNetworkThread([this] {
+                SignalNetworksChanged();
+            });
+        }
+    } else {
+        m_receivedNetworkList = false;
+        sendOnMainThread([](IPC::Connection& connection) {
+            connection.send(Messages::NetworkRTCMonitor::StartUpdating(), 0);
+        });
+    }
+    ++m_clientCount;
+}
+
+void WebRTCMonitor::StopUpdating()
+{
+    ASSERT(m_clientCount);
+    if (--m_clientCount)
+        return;
+
+    sendOnMainThread([](IPC::Connection& connection) {
+        connection.send(Messages::NetworkRTCMonitor::StopUpdating(), 0);
+    });
+}
+
+void WebRTCMonitor::networksChanged(const Vector<RTCNetwork>& networks, const RTCNetwork::IPAddress& ipv4, const RTCNetwork::IPAddress& ipv6)
+{
+    // 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();
+
+    });
+}
+
+} // namespace WebKit
+
+#endif // USE(LIBWEBRTC)