121 lines
3.0 KiB
C++
121 lines
3.0 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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* $LicenseInfo:firstyear=2004&license=viewergpl$
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*
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* Copyright (c) 2004-2009, Linden Research, Inc.
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*
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* Second Life Viewer Source Code
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* The source code in this file ("Source Code") is provided by Linden Lab
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* to you under the terms of the GNU General Public License, version 2.0
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* ("GPL"), unless you have obtained a separate licensing agreement
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* ("Other License"), formally executed by you and Linden Lab. Terms of
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* the GPL can be found in doc/GPL-license.txt in this distribution, or
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* online at http://secondlifegrid.net/programs/open_source/licensing/gplv2
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*
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* There are special exceptions to the terms and conditions of the GPL as
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* it is applied to this Source Code. View the full text of the exception
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* in the file doc/FLOSS-exception.txt in this software distribution, or
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* online at
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* http://secondlifegrid.net/programs/open_source/licensing/flossexception
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*
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* By copying, modifying or distributing this software, you acknowledge
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* that you have read and understood your obligations described above,
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* and agree to abide by those obligations.
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*
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* ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
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* WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
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* COMPLETENESS OR PERFORMANCE.
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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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//lldebugs << "destroying LLIOPipe" << llendl;
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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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