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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 "LibWebRTCSocket.h"
#if USE(LIBWEBRTC)
#include "LibWebRTCNetworkManager.h"
#include "LibWebRTCSocketFactory.h"
#include "NetworkProcessConnection.h"
#include "NetworkRTCProviderMessages.h"
#include "RTCPacketOptions.h"
#include "WebProcess.h"
#include <WebCore/ScriptExecutionContextIdentifier.h>
#include <WebCore/SharedBuffer.h>
#include <wtf/Function.h>
#include <wtf/MainThread.h>
#include <wtf/StdLibExtras.h>
#include <wtf/TZoneMallocInlines.h>
namespace WebKit {
WTF_MAKE_TZONE_ALLOCATED_IMPL(LibWebRTCSocket);
LibWebRTCSocket::LibWebRTCSocket(LibWebRTCSocketFactory& factory, WebCore::ScriptExecutionContextIdentifier contextIdentifier, Type type, const rtc::SocketAddress& localAddress, const rtc::SocketAddress& remoteAddress)
: m_factory(factory)
, m_type(type)
, m_localAddress(localAddress)
, m_remoteAddress(remoteAddress)
, m_contextIdentifier(contextIdentifier)
{
m_factory->addSocket(*this);
}
LibWebRTCSocket::~LibWebRTCSocket()
{
Close();
m_factory->removeSocket(*this);
}
rtc::SocketAddress LibWebRTCSocket::GetLocalAddress() const
{
return m_localAddress;
}
rtc::SocketAddress LibWebRTCSocket::GetRemoteAddress() const
{
return m_remoteAddress;
}
void LibWebRTCSocket::signalAddressReady(const rtc::SocketAddress& address)
{
m_localAddress = address;
m_state = (m_type == Type::ClientTCP) ? STATE_CONNECTED : STATE_BOUND;
SignalAddressReady(this, m_localAddress);
}
void LibWebRTCSocket::signalReadPacket(std::span<const uint8_t> data, rtc::SocketAddress&& address, int64_t timestamp, rtc::EcnMarking ecn)
{
if (m_isSuspended)
return;
m_remoteAddress = WTFMove(address);
std::optional<webrtc::Timestamp> packetTimestamp;
if (timestamp)
packetTimestamp = webrtc::Timestamp::Micros(timestamp);
NotifyPacketReceived({ { data.data(), data.size() }, m_remoteAddress, packetTimestamp, ecn });
}
void LibWebRTCSocket::signalSentPacket(int64_t rtcPacketID, int64_t sendTimeMs)
{
SignalSentPacket(this, rtc::SentPacket(rtcPacketID, sendTimeMs));
}
void LibWebRTCSocket::signalConnect()
{
m_state = STATE_CONNECTED;
SignalConnect(this);
}
void LibWebRTCSocket::signalClose(int error)
{
m_state = STATE_CLOSED;
SignalClose(this, error);
}
void LibWebRTCSocket::signalUsedInterface(String&& name)
{
LibWebRTCNetworkManager::signalUsedInterface(m_contextIdentifier, WTFMove(name));
}
int LibWebRTCSocket::SendTo(const void *value, size_t size, const rtc::SocketAddress& address, const rtc::PacketOptions& options)
{
RefPtr connection = m_factory->connection();
if (!connection)
return -1;
if (m_isSuspended)
return size;
auto data = unsafeMakeSpan(static_cast<const uint8_t*>(value), size);
connection->send(Messages::NetworkRTCProvider::SendToSocket { identifier(), data, RTCNetwork::SocketAddress { address }, RTCPacketOptions { options } }, 0);
return size;
}
int LibWebRTCSocket::Close()
{
RefPtr connection = m_factory->connection();
if (!connection || m_state == STATE_CLOSED)
return 0;
m_state = STATE_CLOSED;
connection->send(Messages::NetworkRTCProvider::CloseSocket { identifier() }, 0);
return 0;
}
int LibWebRTCSocket::GetOption(rtc::Socket::Option option, int* value)
{
auto iterator = m_options.find(option);
if (iterator == m_options.end())
return -1;
*value = iterator->second;
return 0;
}
int LibWebRTCSocket::SetOption(rtc::Socket::Option option, int value)
{
m_options[option] = value;
if (RefPtr connection = m_factory->connection())
connection->send(Messages::NetworkRTCProvider::SetSocketOption { identifier(), option, value }, 0);
return 0;
}
void LibWebRTCSocket::resume()
{
m_isSuspended = false;
}
void LibWebRTCSocket::suspend()
{
m_isSuspended = true;
if (m_state == STATE_CLOSED)
return;
signalClose(-1);
if (RefPtr connection = m_factory->connection())
connection->send(Messages::NetworkRTCProvider::CloseSocket { identifier() }, 0);
}
} // namespace WebKit
#endif // USE(LIBWEBRTC)
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