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/**
* @file llpipeutil.h
* @date 2006-05-18
* @brief Utility pipe fittings for injecting and extracting strings
*
* Copyright (c) 2006-$CurrentYear$, Linden Research, Inc.
* $License$
*/
#ifndef LL_LLPIPEUTIL_H
#define LL_LLPIPEUTIL_H
#include "lliopipe.h"
/**
* @brief Simple function which pumps for the specified time.
*/
F32 pump_loop(LLPumpIO* pump, F32 seconds);
/**
* @brief Simple class which writes a string and then marks the stream
* as done.
*/
class LLPipeStringInjector : public LLIOPipe
{
public:
LLPipeStringInjector(const std::string& string)
: mString(string)
{ }
protected:
virtual EStatus process_impl(
const LLChannelDescriptors& channels,
buffer_ptr_t& buffer,
bool& eos,
LLSD& context,
LLPumpIO* pump);
private:
std::string mString;
};
class LLPipeStringExtractor : public LLIOPipe
{
public:
LLPipeStringExtractor() : mDone(false) { }
bool done() { return mDone; }
std::string string() { return mString; }
protected:
// LLIOPipe API implementation.
virtual EStatus process_impl(
const LLChannelDescriptors& channels,
LLIOPipe::buffer_ptr_t& buffer,
bool& eos,
LLSD& context,
LLPumpIO* pump);
private:
bool mDone;
std::string mString;
};
/**
* @brief Generate a specified number of bytes of random data
*/
class LLIOFuzz : public LLIOPipe
{
public:
LLIOFuzz(int byte_count) : mByteCount(byte_count) {}
protected:
virtual EStatus process_impl(
const LLChannelDescriptors& channels,
buffer_ptr_t& buffer,
bool& eos,
LLSD& context,
LLPumpIO* pump);
private:
int mByteCount;
};
/**
* @brief Generate some ascii fuz
*/
class LLIOASCIIFuzz : public LLIOPipe
{
public:
LLIOASCIIFuzz(int byte_count) : mByteCount(byte_count) {}
protected:
virtual EStatus process_impl(
const LLChannelDescriptors& channels,
buffer_ptr_t& buffer,
bool& eos,
LLSD& context,
LLPumpIO* pump);
private:
int mByteCount;
};
/**
* @brief Pipe that does nothing except return STATUS_OK
*/
class LLIONull : public LLIOPipe
{
public:
LLIONull() {}
protected:
virtual EStatus process_impl(
const LLChannelDescriptors& channels,
buffer_ptr_t& buffer,
bool& eos,
LLSD& context,
LLPumpIO* pump);
};
#endif // LL_LLPIPEUTIL_H
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