164 lines
3.4 KiB
C++
Executable File
164 lines
3.4 KiB
C++
Executable File
/**
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* @file llpipeutil.h
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* @date 2006-05-18
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* @brief Utility pipe fittings for injecting and extracting strings
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*
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* $LicenseInfo:firstyear=2006&license=viewerlgpl$
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* Second Life Viewer Source Code
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* Copyright (C) 2010, Linden Research, Inc.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation;
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* version 2.1 of the License only.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*
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* Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA
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* $/LicenseInfo$
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*/
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#ifndef LL_LLPIPEUTIL_H
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#define LL_LLPIPEUTIL_H
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#include "lliopipe.h"
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/**
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* @brief Simple function which pumps for the specified time.
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*/
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F32 pump_loop(LLPumpIO* pump, F32 seconds);
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/**
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* @brief Simple class which writes a string and then marks the stream
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* as done.
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*/
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class LLPipeStringInjector : public LLIOPipe
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{
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public:
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LLPipeStringInjector(const std::string& string)
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: mString(string)
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{ }
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protected:
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virtual EStatus process_impl(
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const LLChannelDescriptors& channels,
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buffer_ptr_t& buffer,
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bool& eos,
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LLSD& context,
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LLPumpIO* pump);
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private:
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std::string mString;
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};
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class LLPipeStringExtractor : public LLIOPipe
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{
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public:
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LLPipeStringExtractor() : mDone(false) { }
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bool done() { return mDone; }
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std::string string() { return mString; }
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protected:
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// LLIOPipe API implementation.
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virtual EStatus process_impl(
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const LLChannelDescriptors& channels,
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LLIOPipe::buffer_ptr_t& buffer,
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bool& eos,
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LLSD& context,
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LLPumpIO* pump);
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private:
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bool mDone;
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std::string mString;
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};
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/**
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* @brief Generate a specified number of bytes of random data
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*/
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class LLIOFuzz : public LLIOPipe
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{
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public:
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LLIOFuzz(int byte_count) : mByteCount(byte_count) {}
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protected:
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virtual EStatus process_impl(
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const LLChannelDescriptors& channels,
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buffer_ptr_t& buffer,
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bool& eos,
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LLSD& context,
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LLPumpIO* pump);
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private:
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int mByteCount;
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};
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/**
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* @brief Generate some ascii fuz
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*/
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class LLIOASCIIFuzz : public LLIOPipe
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{
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public:
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LLIOASCIIFuzz(int byte_count) : mByteCount(byte_count) {}
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protected:
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virtual EStatus process_impl(
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const LLChannelDescriptors& channels,
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buffer_ptr_t& buffer,
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bool& eos,
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LLSD& context,
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LLPumpIO* pump);
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private:
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int mByteCount;
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};
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/**
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* @brief Pipe that does nothing except return STATUS_OK
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*/
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class LLIONull : public LLIOPipe
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{
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public:
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LLIONull() {}
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protected:
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virtual EStatus process_impl(
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const LLChannelDescriptors& channels,
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buffer_ptr_t& buffer,
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bool& eos,
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LLSD& context,
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LLPumpIO* pump);
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};
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/**
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* @brief Pipe that sleeps, and then responds later.
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*/
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class LLIOSleeper : public LLIOPipe
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{
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public:
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LLIOSleeper() : mRespond(false) {}
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protected:
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virtual EStatus process_impl(
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const LLChannelDescriptors& channels,
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buffer_ptr_t& buffer,
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bool& eos,
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LLSD& context,
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LLPumpIO* pump);
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private:
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bool mRespond;
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};
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#endif // LL_LLPIPEUTIL_H
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