NullConnection.cpp

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/*
 * Copyright (C) 2006-2020 Istituto Italiano di Tecnologia (IIT)
 * All rights reserved.
 *
 * This software may be modified and distributed under the terms of the
 * BSD-3-Clause license. See the accompanying LICENSE file for details.
 */
 
#include <yarp/os/NullConnection.h>
 
#include <yarp/os/Bytes.h>
#include <yarp/os/PortReader.h>
#include <yarp/os/PortWriter.h>
 
using yarp::os::NullConnection;
using yarp::os::PortReader;
using yarp::os::PortWriter;
 
 
bool NullConnection::isValid() const
{
    return false;
}
bool NullConnection::isTextMode() const
{
    return true;
}
bool NullConnection::canEscape() const
{
    return true;
}
void NullConnection::handleEnvelope(const std::string& envelope)
{
    YARP_UNUSED(envelope);
}
bool NullConnection::requireAck() const
{
    return false;
}
bool NullConnection::supportReply() const
{
    return false;
}
bool NullConnection::isLocal() const
{
    return false;
}
bool NullConnection::isPush() const
{
    return true;
}
bool NullConnection::isConnectionless() const
{
    return false;
}
bool NullConnection::isBroadcast() const
{
    return false;
}
bool NullConnection::isActive() const
{
    return false;
}
 
bool NullConnection::modifiesIncomingData() const
{
    return false;
}
 
yarp::os::ConnectionReader& NullConnection::modifyIncomingData(yarp::os::ConnectionReader& reader)
{
    return reader;
}
 
bool NullConnection::acceptIncomingData(yarp::os::ConnectionReader& reader)
{
    YARP_UNUSED(reader);
    return true;
}
 
bool NullConnection::modifiesOutgoingData() const
{
    return false;
}
 
const PortWriter& NullConnection::modifyOutgoingData(const PortWriter& writer)
{
    return writer;
}
 
bool NullConnection::acceptOutgoingData(const PortWriter& writer)
{
    YARP_UNUSED(writer);
    return true;
}
 
bool NullConnection::modifiesReply() const
{
    return false;
}
 
PortReader& NullConnection::modifyReply(PortReader& reader)
{
    return reader;
}
 
void NullConnection::setCarrierParams(const yarp::os::Property& params)
{
    YARP_UNUSED(params);
}
 
void NullConnection::getCarrierParams(yarp::os::Property& params) const
{
    YARP_UNUSED(params);
}
 
void NullConnection::getHeader(yarp::os::Bytes& header) const
{
    for (size_t i = 0; i < header.length(); i++) {
        header.get()[i] = '\0';
    }
}
 
void NullConnection::prepareDisconnect()
{
}
 
std::string NullConnection::getName() const
{
    return "null";
}