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/*
* Copyright (C) 2021-2025 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 "RTCDataChannelRemoteManagerProxy.h"
#if ENABLE(WEB_RTC)
#include "NetworkConnectionToWebProcess.h"
#include "RTCDataChannelRemoteManagerMessages.h"
#include "RTCDataChannelRemoteManagerProxyMessages.h"
namespace WebKit {
RTCDataChannelRemoteManagerProxy::RTCDataChannelRemoteManagerProxy(NetworkProcess& networkProcess)
: m_queue(WorkQueue::create("RTCDataChannelRemoteManagerProxy"_s))
, m_networkProcess(networkProcess)
{
}
void RTCDataChannelRemoteManagerProxy::registerConnectionToWebProcess(NetworkConnectionToWebProcess& connectionToWebProcess)
{
m_queue->dispatch([this, protectedThis = Ref { *this }, identifier = connectionToWebProcess.webProcessIdentifier(), connectionID = connectionToWebProcess.connection().uniqueID(), sharedPreferences = connectionToWebProcess.sharedPreferencesForWebProcessValue()]() mutable {
ASSERT(!m_webProcessConnections.contains(identifier));
m_webProcessConnections.add(identifier, connectionID);
m_sharedPreferencesForConnections.add(connectionID, WTFMove(sharedPreferences));
});
connectionToWebProcess.connection().addWorkQueueMessageReceiver(Messages::RTCDataChannelRemoteManagerProxy::messageReceiverName(), m_queue, *this);
}
void RTCDataChannelRemoteManagerProxy::unregisterConnectionToWebProcess(NetworkConnectionToWebProcess& connectionToWebProcess)
{
m_queue->dispatch([this, protectedThis = Ref { *this }, identifier = connectionToWebProcess.webProcessIdentifier(), connectionID = connectionToWebProcess.connection().uniqueID()] {
ASSERT(m_webProcessConnections.contains(identifier));
m_webProcessConnections.remove(identifier);
m_sharedPreferencesForConnections.remove(connectionID);
});
connectionToWebProcess.connection().removeWorkQueueMessageReceiver(Messages::RTCDataChannelRemoteManagerProxy::messageReceiverName());
}
void RTCDataChannelRemoteManagerProxy::sendData(WebCore::RTCDataChannelIdentifier identifier, bool isRaw, std::span<const uint8_t> data)
{
if (auto connectionID = m_webProcessConnections.getOptional(identifier.processIdentifier()))
IPC::Connection::send(*connectionID, Messages::RTCDataChannelRemoteManager::SendData { identifier, isRaw, data }, 0);
}
void RTCDataChannelRemoteManagerProxy::close(WebCore::RTCDataChannelIdentifier identifier)
{
if (auto connectionID = m_webProcessConnections.getOptional(identifier.processIdentifier()))
IPC::Connection::send(*connectionID, Messages::RTCDataChannelRemoteManager::Close { identifier }, 0);
}
void RTCDataChannelRemoteManagerProxy::changeReadyState(WebCore::RTCDataChannelIdentifier identifier, WebCore::RTCDataChannelState state)
{
if (auto connectionID = m_webProcessConnections.getOptional(identifier.processIdentifier()))
IPC::Connection::send(*connectionID, Messages::RTCDataChannelRemoteManager::ChangeReadyState { identifier, state }, 0);
}
void RTCDataChannelRemoteManagerProxy::receiveData(WebCore::RTCDataChannelIdentifier identifier, bool isRaw, std::span<const uint8_t> data)
{
if (auto connectionID = m_webProcessConnections.getOptional(identifier.processIdentifier()))
IPC::Connection::send(*connectionID, Messages::RTCDataChannelRemoteManager::ReceiveData { identifier, isRaw, data }, 0);
}
void RTCDataChannelRemoteManagerProxy::detectError(WebCore::RTCDataChannelIdentifier identifier, WebCore::RTCErrorDetailType detail, const String& message)
{
if (auto connectionID = m_webProcessConnections.getOptional(identifier.processIdentifier()))
IPC::Connection::send(*connectionID, Messages::RTCDataChannelRemoteManager::DetectError { identifier, detail, message }, 0);
}
void RTCDataChannelRemoteManagerProxy::bufferedAmountIsDecreasing(WebCore::RTCDataChannelIdentifier identifier, uint64_t amount)
{
if (auto connectionID = m_webProcessConnections.getOptional(identifier.processIdentifier()))
IPC::Connection::send(*connectionID, Messages::RTCDataChannelRemoteManager::BufferedAmountIsDecreasing { identifier, amount }, 0);
}
std::optional<SharedPreferencesForWebProcess> RTCDataChannelRemoteManagerProxy::sharedPreferencesForWebProcess(const IPC::Connection& connection)
{
auto iterator = m_sharedPreferencesForConnections.find(connection.uniqueID());
if (iterator != m_sharedPreferencesForConnections.end())
return iterator->value;
return std::nullopt;
}
}
#endif
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