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/**
* @file lliopipe.cpp
* @author Phoenix
* @date 2004-11-19
* @brief Implementation of the LLIOPipe class
*
* $LicenseInfo:firstyear=2004&license=viewergpl$
*
* Copyright (c) 2004-2008, Linden Research, Inc.
*
* Second Life Viewer Source Code
* The source code in this file ("Source Code") is provided by Linden Lab
* to you under the terms of the GNU General Public License, version 2.0
* ("GPL"), unless you have obtained a separate licensing agreement
* ("Other License"), formally executed by you and Linden Lab. Terms of
* the GPL can be found in doc/GPL-license.txt in this distribution, or
* online at http://secondlifegrid.net/programs/open_source/licensing/gplv2
*
* There are special exceptions to the terms and conditions of the GPL as
* it is applied to this Source Code. View the full text of the exception
* in the file doc/FLOSS-exception.txt in this software distribution, or
* online at http://secondlifegrid.net/programs/open_source/licensing/flossexception
*
* By copying, modifying or distributing this software, you acknowledge
* that you have read and understood your obligations described above,
* and agree to abide by those obligations.
*
* ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
* WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
* COMPLETENESS OR PERFORMANCE.
* $/LicenseInfo$
*/
#include "linden_common.h"
#include "lliopipe.h"
#include "llpumpio.h"
static const std::string STATUS_SUCCESS_NAMES[LLIOPipe::STATUS_SUCCESS_COUNT] =
{
std::string("STATUS_OK"),
std::string("STATUS_STOP"),
std::string("STATUS_DONE"),
std::string("STATUS_BREAK"),
std::string("STATUS_NEED_PROCESS"),
};
static const std::string STATUS_ERROR_NAMES[LLIOPipe::STATUS_ERROR_COUNT] =
{
std::string("STATUS_ERROR"),
std::string("STATUS_NOT_IMPLEMENTED"),
std::string("STATUS_PRECONDITION_NOT_MET"),
std::string("STATUS_NO_CONNECTION"),
std::string("STATUS_LOST_CONNECTION"),
std::string("STATUS_EXPIRED"),
};
// Debugging schmutz for deadlock
const char *gPumpFile = "";
S32 gPumpLine = 0;
void pump_debug(const char *file, S32 line)
{
gPumpFile = file;
gPumpLine = line;
}
/**
* LLIOPipe
*/
LLIOPipe::LLIOPipe() :
mReferenceCount(0)
{
}
LLIOPipe::~LLIOPipe()
{
//lldebugs << "destroying LLIOPipe" << llendl;
}
// static
std::string LLIOPipe::lookupStatusString(EStatus status)
{
if((status >= 0) && (status < STATUS_SUCCESS_COUNT))
{
return STATUS_SUCCESS_NAMES[status];
}
else
{
S32 error_code = ((S32)status * -1) - 1;
if(error_code < STATUS_ERROR_COUNT)
{
return STATUS_ERROR_NAMES[error_code];
}
}
std::string rv;
return rv;
}
LLIOPipe::EStatus LLIOPipe::process(
const LLChannelDescriptors& channels,
buffer_ptr_t& buffer,
bool& eos,
LLSD& context,
LLPumpIO* pump)
{
return process_impl(channels, buffer, eos, context, pump);
}
// virtual
LLIOPipe::EStatus LLIOPipe::handleError(
LLIOPipe::EStatus status,
LLPumpIO* pump)
{
// by default, the error is not handled.
return status;
}
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