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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 "LibWebRTCResolver.h"
#if USE(LIBWEBRTC)
#include "LibWebRTCNetwork.h"
#include "NetworkProcessConnection.h"
#include "NetworkRTCProviderMessages.h"
#include "WebProcess.h"
#include <wtf/MainThread.h>
namespace WebKit {
void LibWebRTCResolver::sendOnMainThread(Function<void(IPC::Connection&)>&& callback)
{
callOnMainRunLoop([callback = WTFMove(callback)]() {
callback(WebProcess::singleton().ensureNetworkProcessConnection().connection());
});
}
void LibWebRTCResolver::Start(const rtc::SocketAddress& address)
{
m_isResolving = true;
m_addressToResolve = address;
m_port = address.port();
sendOnMainThread([identifier = m_identifier, address](IPC::Connection& connection) {
auto addressString = address.HostAsURIString();
connection.send(Messages::NetworkRTCProvider::CreateResolver(identifier, String(addressString.data(), addressString.length())), 0);
});
}
bool LibWebRTCResolver::GetResolvedAddress(int family, rtc::SocketAddress* address) const
{
ASSERT(address);
if (m_error || !m_addresses.size())
return false;
*address = m_addressToResolve;
for (auto& ipAddress : m_addresses) {
if (family == ipAddress.family()) {
address->SetResolvedIP(ipAddress);
address->SetPort(m_port);
return true;
}
}
return false;
}
void LibWebRTCResolver::Destroy(bool)
{
if (!isResolving())
return;
if (m_isProvidingResults) {
m_shouldDestroy = true;
return;
}
sendOnMainThread([identifier = m_identifier](IPC::Connection& connection) {
connection.send(Messages::NetworkRTCProvider::StopResolver(identifier), 0);
});
doDestroy();
}
void LibWebRTCResolver::doDestroy()
{
// Let's take the resolver so that it gets destroyed at the end of this function.
auto resolver = WebProcess::singleton().libWebRTCNetwork().socketFactory().takeResolver(m_identifier);
ASSERT(resolver);
}
void LibWebRTCResolver::setResolvedAddress(const Vector<rtc::IPAddress>& addresses)
{
m_addresses = addresses;
m_isProvidingResults = true;
SignalDone(this);
m_isProvidingResults = false;
if (m_shouldDestroy)
doDestroy();
}
void LibWebRTCResolver::setError(int error)
{
m_error = error;
m_isProvidingResults = true;
SignalDone(this);
m_isProvidingResults = false;
if (m_shouldDestroy)
doDestroy();
}
} // namespace WebKit
#endif // USE(LIBWEBRTC)
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