llchainio.h

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#ifndef LL_LLCHAINIO_H
#define LL_LLCHAINIO_H

#include "llpumpio.h"

class LLDeferredChain
{
public:
        static bool addToPump(
                LLPumpIO* pump,
                F32 in_seconds,
                const LLPumpIO::chain_t& chain,
                F32 chain_timeout);
};

class LLChainIOFactory
{
public:
        // Constructor
        LLChainIOFactory();

        // Destructor
        virtual ~LLChainIOFactory();

        virtual bool build(LLPumpIO::chain_t& chain, LLSD context) const = 0;

protected:
};

template<class Pipe>
class LLSimpleIOFactory : public LLChainIOFactory
{
public:
        virtual bool build(LLPumpIO::chain_t& chain, LLSD context) const
        {
                chain.push_back(LLIOPipe::ptr_t(new Pipe));
                return true;
        }
};

template<class Pipe>
class LLCloneIOFactory : public LLChainIOFactory
{
public:
        LLCloneIOFactory(Pipe* original) :
                mHandle(original),
                mOriginal(original) {}

        virtual bool build(LLPumpIO::chain_t& chain, LLSD context) const
        {
                chain.push_back(LLIOPipe::ptr_t(new Pipe(*mOriginal)));
                return true;
        }

protected:
        LLIOPipe::ptr_t mHandle;
        Pipe* mOriginal;
};

#endif // LL_LLCHAINIO_H

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