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/*
* 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)
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