/* * 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); 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