108 lines
3.0 KiB
C++
108 lines
3.0 KiB
C++
/*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program 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
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* GNU Library General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*
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* ShowNetPort.cpp
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* The ShowNet plugin for ola
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* Copyright (C) 2005-2009 Simon Newton
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*/
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#include <sstream>
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#include <string>
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#include "ola/BaseTypes.h"
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#include "ola/Closure.h"
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#include "ola/Logging.h"
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#include "plugins/shownet/ShowNetDevice.h"
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#include "plugins/shownet/ShowNetPort.h"
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namespace ola {
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namespace plugin {
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namespace shownet {
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string ShowNetInputPort::Description() const {
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std::stringstream str;
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str << "ShowNet " << PortId() * DMX_UNIVERSE_SIZE + 1 << "-" <<
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(PortId() + 1) * DMX_UNIVERSE_SIZE;
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return str.str();
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}
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/*
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* Check for loops.
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*/
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bool ShowNetInputPort::PreSetUniverse(Universe *old_universe,
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Universe *new_universe) {
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(void) old_universe;
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(void) new_universe;
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AbstractDevice *device = GetDevice();
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OutputPort *output_port = device->GetOutputPort(PortId());
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if (output_port && output_port->GetUniverse()) {
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OLA_WARN << "Avoiding possible shownet loop on " << Description();
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return false;
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}
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return true;
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}
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/*
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* We intecept this to setup/remove the dmx handler
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*/
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void ShowNetInputPort::PostSetUniverse(Universe *old_universe,
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Universe *new_universe) {
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if (old_universe)
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m_node->RemoveHandler(PortId());
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if (new_universe)
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m_node->SetHandler(
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PortId(),
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&m_buffer,
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ola::NewClosure<ShowNetInputPort, void>(this,
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&ShowNetInputPort::DmxChanged));
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}
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string ShowNetOutputPort::Description() const {
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std::stringstream str;
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str << "ShowNet " << PortId() * DMX_UNIVERSE_SIZE + 1 << "-" <<
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(PortId() + 1) * DMX_UNIVERSE_SIZE;
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return str.str();
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}
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/*
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* Check for loops.
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*/
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bool ShowNetOutputPort::PreSetUniverse(Universe *old_universe,
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Universe *new_universe) {
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(void) old_universe;
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(void) new_universe;
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AbstractDevice *device = GetDevice();
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InputPort *input_port = device->GetInputPort(PortId());
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if (input_port && input_port->GetUniverse()) {
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OLA_WARN << "Avoiding possible shownet loop on " << Description();
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return false;
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}
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return true;
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}
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bool ShowNetOutputPort::WriteDMX(const DmxBuffer &buffer,
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uint8_t priority) {
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return !m_node->SendDMX(PortId(), buffer);
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(void) priority;
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}
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} // shownet
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} // plugin
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} // ola
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