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/*
* Copyright (C) 2021 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 "RTCSctpTransport.h"
#if ENABLE(WEB_RTC)
#include "EventNames.h"
#include "Logging.h"
#include "RTCDtlsTransport.h"
#include "RTCSctpTransportBackend.h"
#include "ScriptExecutionContext.h"
#include <wtf/IsoMallocInlines.h>
namespace WebCore {
WTF_MAKE_ISO_ALLOCATED_IMPL(RTCSctpTransport);
Ref<RTCSctpTransport> RTCSctpTransport::create(ScriptExecutionContext& context, UniqueRef<RTCSctpTransportBackend>&& backend, Ref<RTCDtlsTransport>&& transport)
{
auto result = adoptRef(*new RTCSctpTransport(context, WTFMove(backend), WTFMove(transport)));
result->suspendIfNeeded();
return result;
}
RTCSctpTransport::RTCSctpTransport(ScriptExecutionContext& context, UniqueRef<RTCSctpTransportBackend>&& backend, Ref<RTCDtlsTransport >&& transport)
: ActiveDOMObject(&context)
, m_backend(WTFMove(backend))
, m_transport(WTFMove(transport))
{
m_backend->registerClient(*this);
}
RTCSctpTransport::~RTCSctpTransport()
{
m_backend->unregisterClient();
}
void RTCSctpTransport::stop()
{
m_state = RTCSctpTransportState::Closed;
}
bool RTCSctpTransport::virtualHasPendingActivity() const
{
return m_state != RTCSctpTransportState::Closed && hasEventListeners();
}
void RTCSctpTransport::onStateChanged(RTCSctpTransportState state, std::optional<double> maxMessageSize, std::optional<unsigned short> maxChannels)
{
queueTaskKeepingObjectAlive(*this, TaskSource::Networking, [this, state, maxMessageSize, maxChannels]() mutable {
if (m_state == RTCSctpTransportState::Closed)
return;
if (maxMessageSize)
m_maxMessageSize = *maxMessageSize;
if (maxChannels)
m_maxChannels = *maxChannels;
if (m_state != state) {
m_state = state;
dispatchEvent(Event::create(eventNames().statechangeEvent, Event::CanBubble::Yes, Event::IsCancelable::No));
}
});
}
} // namespace WebCore
#endif // ENABLE(WEB_RTC)
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