llioutil.h

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#ifndef LL_LLIOUTIL_H
#define LL_LLIOUTIL_H

#include "llbuffer.h"
#include "lliopipe.h"
#include "llpumpio.h"

class LLIOFlush : public LLIOPipe
{
public:
        LLIOFlush() {}
        virtual ~LLIOFlush() {}

protected:
        /* @name LLIOPipe virtual implementations
         */

        EStatus process_impl(
                const LLChannelDescriptors& channels,
                buffer_ptr_t& buffer,
                bool& eos,
                LLSD& context,
                LLPumpIO* pump);
protected:
};

class LLIOSleep : public LLIOPipe
{
public:
        LLIOSleep(F64 sleep_seconds) : mSeconds(sleep_seconds) {}
        virtual ~LLIOSleep() {}

protected:
        /* @name LLIOPipe virtual implementations
         */

        EStatus process_impl(
                const LLChannelDescriptors& channels,
                buffer_ptr_t& buffer,
                bool& eos,
                LLSD& context,
                LLPumpIO* pump);
protected:
        F64 mSeconds;
};

class LLIOAddChain : public LLIOPipe
{
public:
        LLIOAddChain(const LLPumpIO::chain_t& chain, F32 timeout) :
                mChain(chain),
                mTimeout(timeout)
        {}
        virtual ~LLIOAddChain() {}

protected:
        /* @name LLIOPipe virtual implementations
         */

        EStatus process_impl(
                const LLChannelDescriptors& channels,
                buffer_ptr_t& buffer,
                bool& eos,
                LLSD& context,
                LLPumpIO* pump);

protected:
        LLPumpIO::chain_t mChain;
        F32 mTimeout;
};

class LLChangeChannel //: public unary_function<T, void>
{
public:
        LLChangeChannel(S32 is, S32 becomes);

        void operator()(LLSegment& segment);

protected:
        S32 mIs;
        S32 mBecomes;
};


#endif // LL_LLIOUTIL_H

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