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/*
* Copyright (C) 2015 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.
*/
#ifndef MessageRecorder_h
#define MessageRecorder_h
#if HAVE(DTRACE)
#include "ProcessType.h"
#include <uuid/uuid.h>
#include <wtf/Forward.h>
#include <wtf/MallocPtr.h>
#include <wtf/NeverDestroyed.h>
#include <wtf/text/CString.h>
#include <wtf/text/WTFString.h>
struct WebKitMessageRecord {
uint8_t sourceProcessType; // IPC::ProcessType
pid_t sourceProcessID;
uint8_t destinationProcessType; // IPC::ProcessType
pid_t destinationProcessID;
MallocPtr<char> messageReceiverName;
MallocPtr<char> messageName;
uint64_t destinationID;
uuid_t UUID;
double startTime;
double endTime;
bool isSyncMessage;
bool shouldDispatchMessageWhenWaitingForSyncReply;
bool isIncoming;
};
namespace IPC {
class Connection;
class MessageDecoder;
class MessageEncoder;
class MessageRecorder {
public:
static bool isEnabled();
class MessageProcessingToken {
WTF_MAKE_NONCOPYABLE(MessageProcessingToken); WTF_MAKE_FAST_ALLOCATED;
public:
explicit MessageProcessingToken(WebKitMessageRecord);
~MessageProcessingToken();
private:
WebKitMessageRecord m_record;
};
static std::unique_ptr<MessageRecorder::MessageProcessingToken> recordOutgoingMessage(IPC::Connection&, IPC::MessageEncoder&);
static void recordIncomingMessage(IPC::Connection&, IPC::MessageDecoder&);
private:
explicit MessageRecorder() { }
};
};
#endif // HAVE(DTRACE)
#endif // MessageRecorder_h
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