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/*
* Copyright (C) 2012 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 "MessageEncoder.h"
#include "ArgumentCoders.h"
#include "DataReference.h"
#include "MessageFlags.h"
#include "MessageRecorder.h"
#include "StringReference.h"
namespace IPC {
static const uint8_t defaultMessageFlags = 0;
#if HAVE(DTRACE)
MessageEncoder::MessageEncoder(StringReference messageReceiverName, StringReference messageName, uint64_t destinationID, const uuid_t& UUID)
: m_messageReceiverName(messageReceiverName)
, m_messageName(messageName)
, m_destinationID(destinationID)
{
uuid_copy(m_UUID, UUID);
encodeHeader();
}
#endif
MessageEncoder::MessageEncoder(StringReference messageReceiverName, StringReference messageName, uint64_t destinationID)
: m_messageReceiverName(messageReceiverName)
, m_messageName(messageName)
, m_destinationID(destinationID)
{
#if HAVE(DTRACE)
uuid_generate(m_UUID);
#endif
encodeHeader();
}
MessageEncoder::~MessageEncoder()
{
}
void MessageEncoder::encodeHeader()
{
ASSERT(!m_messageReceiverName.isEmpty());
*this << defaultMessageFlags;
*this << m_messageReceiverName;
*this << m_messageName;
*this << m_destinationID;
#if HAVE(DTRACE)
*this << m_UUID;
#endif
}
bool MessageEncoder::isSyncMessage() const
{
return *buffer() & SyncMessage;
}
bool MessageEncoder::shouldDispatchMessageWhenWaitingForSyncReply() const
{
return *buffer() & DispatchMessageWhenWaitingForSyncReply;
}
void MessageEncoder::setIsSyncMessage(bool isSyncMessage)
{
if (isSyncMessage)
*buffer() |= SyncMessage;
else
*buffer() &= ~SyncMessage;
}
void MessageEncoder::setShouldDispatchMessageWhenWaitingForSyncReply(bool shouldDispatchMessageWhenWaitingForSyncReply)
{
if (shouldDispatchMessageWhenWaitingForSyncReply)
*buffer() |= DispatchMessageWhenWaitingForSyncReply;
else
*buffer() &= ~DispatchMessageWhenWaitingForSyncReply;
}
void MessageEncoder::setFullySynchronousModeForTesting()
{
*buffer() |= UseFullySynchronousModeForTesting;
}
void MessageEncoder::wrapForTesting(std::unique_ptr<MessageEncoder> original)
{
ASSERT(isSyncMessage());
ASSERT(!original->isSyncMessage());
original->setShouldDispatchMessageWhenWaitingForSyncReply(true);
encodeVariableLengthByteArray(DataReference(original->buffer(), original->bufferSize()));
Vector<Attachment> attachments = original->releaseAttachments();
reserve(attachments.size());
for (Attachment& attachment : attachments)
addAttachment(WTFMove(attachment));
}
} // namespace IPC
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