/*
* RomRaider Open-Source Tuning, Logging and Reflashing
* Copyright (C) 2006-2015 RomRaider.com
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
package com.romraider.logger.external.core;
import com.romraider.logger.ecu.EcuLogger;
import com.romraider.logger.ecu.ui.swing.menubar.action.GenericPluginMenuAction;
import static com.romraider.util.ParamChecker.checkNotNull;
import static com.romraider.util.ThreadUtil.runAsDaemon;
import org.apache.log4j.Logger;
import static org.apache.log4j.Logger.getLogger;
import javax.swing.Action;
import java.util.ArrayList;
import java.util.List;
import java.util.Properties;
public final class GenericDataSourceManager implements ExternalDataSource {
private static final Logger LOGGER = getLogger(GenericDataSourceManager.class);
private final List<Stoppable> connectors = new ArrayList<Stoppable>();
private final ExternalDataSource dataSource;
private int connectCount;
public GenericDataSourceManager(ExternalDataSource dataSource) {
checkNotNull(dataSource, "dataSource");
this.dataSource = dataSource;
}
public String getId() {
return dataSource.getId();
}
public String getName() {
return dataSource.getName();
}
public String getVersion() {
return dataSource.getVersion();
}
public List<? extends ExternalDataItem> getDataItems() {
return dataSource.getDataItems();
}
public Action getMenuAction(EcuLogger logger) {
Action action = dataSource.getMenuAction(logger);
return action == null ? new GenericPluginMenuAction(logger, this) : action;
}
public synchronized void setPort(String port) {
if (port == null || port.length() == 0) return;
if (port.equals(getPort())) return;
LOGGER.info(dataSource.getName() + ": port " + port + " selected");
doDisconnect();
dataSource.setPort(port);
}
public String getPort() {
return dataSource.getPort();
}
public void setProperties(Properties properties) {
}
public synchronized void connect() {
if (connectCount++ == 0) doConnect();
LOGGER.trace("Connect count [" + dataSource.getName() + "]: " + connectCount);
}
public synchronized void disconnect() {
if (connectCount-- == 1) doDisconnect();
if (connectCount < 0) connectCount = 0;
LOGGER.trace("Connect count [" + dataSource.getName() + "]: " + connectCount);
}
private void doConnect() {
Stoppable connector = new GenericDataSourceConnector(dataSource);
connectors.add(connector);
runAsDaemon(connector);
}
private void doDisconnect() {
if (dataSource.getPort() == null) return;
try {
String message = String.format("%s: disconnecting port %s",
dataSource.getName(), dataSource.getPort());
LOGGER.info(message);
while (!connectors.isEmpty()) connectors.remove(0).stop();
dataSource.disconnect();
message = String.format("%s: disconnected", dataSource.getName());
LOGGER.info(message);
} catch (Exception e) {
LOGGER.error("External Datasource [" + dataSource.getName() +
"] disconnect error", e);
}
}
private void reconnect(String port) {
doDisconnect();
dataSource.setPort(port);
doConnect();
}
}