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/*
* Copyright (C) 2023 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 "WebTransportSendStreamSink.h"
#include "WebTransportSession.h"
#include <WebCore/Exception.h>
#include <WebCore/IDLTypes.h>
#include <WebCore/JSDOMGlobalObject.h>
#include <wtf/CompletionHandler.h>
#include <wtf/RunLoop.h>
namespace WebKit {
WebTransportSendStreamSink::WebTransportSendStreamSink(WebTransportSession& session, WebCore::WebTransportStreamIdentifier identifier)
: m_session(session)
, m_identifier(identifier)
{
ASSERT(RunLoop::isMain());
}
WebTransportSendStreamSink::~WebTransportSendStreamSink()
{
}
void WebTransportSendStreamSink::write(WebCore::ScriptExecutionContext& context, JSC::JSValue value, WebCore::DOMPromiseDeferred<void>&& promise)
{
RefPtr session = m_session.get();
if (!session)
return promise.reject(WebCore::Exception { WebCore::ExceptionCode::InvalidStateError });
if (!context.globalObject())
return promise.reject(WebCore::Exception { WebCore::ExceptionCode::InvalidStateError });
if (m_isClosed)
return promise.reject(WebCore::Exception { WebCore::ExceptionCode::InvalidStateError });
auto& globalObject = *JSC::jsCast<WebCore::JSDOMGlobalObject*>(context.globalObject());
auto scope = DECLARE_THROW_SCOPE(globalObject.vm());
auto bufferSource = convert<WebCore::IDLUnion<WebCore::IDLArrayBuffer, WebCore::IDLArrayBufferView>>(globalObject, value);
if (UNLIKELY(bufferSource.hasException(scope)))
return promise.settle(WebCore::Exception { WebCore::ExceptionCode::ExistingExceptionError });
WTF::switchOn(bufferSource.releaseReturnValue(), [&](auto&& arrayBufferOrView) {
constexpr bool withFin { false };
context.enqueueTaskWhenSettled(session->streamSendBytes(m_identifier, arrayBufferOrView->span(), withFin), WebCore::TaskSource::Networking, [promise = WTFMove(promise)] (auto&& exception) mutable {
if (!exception)
promise.settle(WebCore::Exception { WebCore::ExceptionCode::NetworkError });
else if (*exception)
promise.settle(WTFMove(**exception));
else
promise.resolve();
});
});
}
void WebTransportSendStreamSink::close()
{
if (m_isClosed)
return;
RefPtr session = m_session.get();
if (session)
session->streamSendBytes(m_identifier, { }, true);
m_isClosed = true;
}
void WebTransportSendStreamSink::error(String&&)
{
if (m_isCancelled)
return;
RefPtr session = m_session.get();
if (session) {
// FIXME: Use error code from WebTransportError
session->cancelSendStream(m_identifier, std::nullopt);
}
m_isCancelled = true;
}
}
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