128 lines
2.9 KiB
C++
128 lines
2.9 KiB
C++
/**
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* @file lliopipe.cpp
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* @author Phoenix
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* @date 2004-11-19
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* @brief Implementation of the LLIOPipe class
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*
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* $LicenseInfo:firstyear=2004&license=viewerlgpl$
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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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#include "linden_common.h"
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#include "lliopipe.h"
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#include "llpumpio.h"
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static const std::string STATUS_SUCCESS_NAMES[LLIOPipe::STATUS_SUCCESS_COUNT] =
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{
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std::string("STATUS_OK"),
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std::string("STATUS_STOP"),
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std::string("STATUS_DONE"),
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std::string("STATUS_BREAK"),
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std::string("STATUS_NEED_PROCESS"),
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};
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static const std::string STATUS_ERROR_NAMES[LLIOPipe::STATUS_ERROR_COUNT] =
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{
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std::string("STATUS_ERROR"),
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std::string("STATUS_NOT_IMPLEMENTED"),
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std::string("STATUS_PRECONDITION_NOT_MET"),
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std::string("STATUS_NO_CONNECTION"),
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std::string("STATUS_LOST_CONNECTION"),
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std::string("STATUS_EXPIRED"),
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};
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#ifdef LL_DEBUG_PUMPS
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// Debugging schmutz for deadlock
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const char *gPumpFile = "";
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S32 gPumpLine = 0;
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void pump_debug(const char *file, S32 line)
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{
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gPumpFile = file;
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gPumpLine = line;
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}
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#endif /* LL_DEBUG_PUMPS */
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/**
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* LLIOPipe
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*/
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LLIOPipe::LLIOPipe() :
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mReferenceCount(0)
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{
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}
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LLIOPipe::~LLIOPipe()
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{
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//LL_DEBUGS() << "destroying LLIOPipe" << LL_ENDL;
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}
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//virtual
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bool LLIOPipe::hasExpiration(void) const
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{
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// LLIOPipe::hasNotExpired always returns true.
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return false;
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}
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//virtual
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bool LLIOPipe::hasNotExpired(void) const
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{
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return true ;
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}
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// static
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std::string LLIOPipe::lookupStatusString(EStatus status)
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{
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if((status >= 0) && (status < STATUS_SUCCESS_COUNT))
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{
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return STATUS_SUCCESS_NAMES[status];
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}
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else
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{
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S32 error_code = ((S32)status * -1) - 1;
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if(error_code < STATUS_ERROR_COUNT)
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{
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return STATUS_ERROR_NAMES[error_code];
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}
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}
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std::string rv;
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return rv;
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}
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LLIOPipe::EStatus LLIOPipe::process(
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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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return process_impl(channels, buffer, eos, context, pump);
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}
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// virtual
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LLIOPipe::EStatus LLIOPipe::handleError(
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LLIOPipe::EStatus status,
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LLPumpIO* pump)
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{
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// by default, the error is not handled.
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return status;
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}
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