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RCF - Interprocess Communication for C++

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25 Oct 2011CPOL20 min read 4.6M   8.4K   331  
A server/client IPC framework, using the C++ preprocessor as an IDL compiler.
//******************************************************************************
// RCF - Remote Call Framework
// Copyright (c) 2005 - 2007. All rights reserved.
// Consult your license for conditions of use.
// Developed by Jarl Lindrud.
// Contact: jlindrud@hotmail.com .
//******************************************************************************

#include <RCF/ThreadLocalData.hpp>

#include <RCF/ByteBuffer.hpp>
#include <RCF/InitDeinit.hpp>

namespace RCF {

    class ThreadLocalData
    {
    public:
        ObjectCache     mObjectCache;
        ClientStubPtr   mCurrentClientStubPtr;
        RcfSessionPtr   mCurrentRcfSessionPtr;
        ThreadInfoPtr   mThreadInfoPtr;
        SessionPtr      mUdpSessionPtr;

        void clear()
        {
            mObjectCache.clear();
            mCurrentClientStubPtr.reset();
            mCurrentRcfSessionPtr.reset();
            mThreadInfoPtr.reset();
            mUdpSessionPtr.reset();
        }
    };

    typedef ThreadSpecificPtr<ThreadLocalData>::Val ThreadLocalDataPtr;

    ThreadLocalDataPtr *pThreadLocalDataPtr = NULL;

    ThreadLocalData &getThreadLocalData()
    {
        if (NULL == pThreadLocalDataPtr->get())
        {
            pThreadLocalDataPtr->reset( new ThreadLocalData());
        }
        return *(*pThreadLocalDataPtr);
    }

    // Solaris 10 on x86 crashes when trying to delete the thread specific pointer
#if defined(sun) || defined(__sun) || defined(__sun__)

    RCF_ON_INIT_NAMED(if (!pThreadLocalDataPtr) pThreadLocalDataPtr = new ThreadLocalDataPtr; , ThreadLocalDataInit)
    //RCF_ON_DEINIT_NAMED( (*pThreadLocalDataPtr)->clear(); , ThreadLocalDataDeinit)

#else

    RCF_ON_INIT_NAMED(pThreadLocalDataPtr = new ThreadLocalDataPtr;, ThreadLocalDataInit)
    RCF_ON_DEINIT_NAMED( delete pThreadLocalDataPtr; pThreadLocalDataPtr = NULL; , ThreadLocalDataDeinit)

#endif

    // access to the various thread local entities

    ObjectCache &getThreadLocalObjectCache()
    {
        return getThreadLocalData().mObjectCache;
    }

    ClientStubPtr getCurrentClientStubPtr()
    {
        return getThreadLocalData().mCurrentClientStubPtr;
    }

    void setCurrentClientStubPtr(ClientStubPtr clientStubPtr)
    {
        getThreadLocalData().mCurrentClientStubPtr = clientStubPtr;
    }

    RcfSessionPtr getCurrentRcfSessionPtr()
    {
        return getThreadLocalData().mCurrentRcfSessionPtr;
    }

    void setCurrentRcfSessionPtr(const RcfSessionPtr &rcfSessionPtr)
    {
        getThreadLocalData().mCurrentRcfSessionPtr = rcfSessionPtr;
    }

    ThreadInfoPtr getThreadInfoPtr()
    {
        return getThreadLocalData().mThreadInfoPtr;
    }

    void setThreadInfoPtr(const ThreadInfoPtr &threadInfoPtr)
    {
        getThreadLocalData().mThreadInfoPtr = threadInfoPtr;
    }

    SessionPtr getCurrentUdpSessionPtr()
    {
        return getThreadLocalData().mUdpSessionPtr;
    }

    void setCurrentUdpSessionPtr(SessionPtr sessionPtr)
    {
        getThreadLocalData().mUdpSessionPtr = sessionPtr;
    }

} // namespace RCF

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This article, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)


Written By
Australia Australia
Software developer, from Sweden and now living in Canberra, Australia, working on distributed C++ applications. When he is not programming, Jarl enjoys skiing and playing table tennis. He derives immense satisfaction from referring to himself in third person.

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