/**
* Copyright (C) 2008 Doug Judd (Zvents, Inc.)
*
* This file is part of Hypertable.
*
* Hypertable 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 any later version.
*
* Hypertable 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 org.hypertable.DfsBroker.hadoop;
import java.net.ProtocolException;
import java.util.logging.Logger;
import org.hypertable.AsyncComm.ApplicationHandler;
import org.hypertable.AsyncComm.Comm;
import org.hypertable.AsyncComm.Event;
import org.hypertable.AsyncComm.ResponseCallback;
import org.hypertable.Common.Error;
public class RequestHandlerSeek extends ApplicationHandler {
static final Logger log = Logger.getLogger(
"org.hypertable.DfsBroker.hadoop");
public RequestHandlerSeek(Comm comm, HdfsBroker broker, Event event) {
super(event);
mComm = comm;
mBroker = broker;
}
public void run() {
int fd;
long offset;
ResponseCallback cb = new ResponseCallback(mComm, mEvent);
try {
if (mEvent.payload.remaining() < 12)
throw new ProtocolException("Truncated message");
fd = mEvent.payload.getInt();
offset = mEvent.payload.getLong();
mBroker.Seek(cb, fd, offset);
}
catch (ProtocolException e) {
int error = cb.error(Error.PROTOCOL_ERROR, e.getMessage());
log.severe("Protocol error (SEEK) - " + e.getMessage());
if (error != Error.OK)
log.severe("Problem sending (SEEK) error back to client - "
+ Error.GetText(error));
}
}
private Comm mComm;
private HdfsBroker mBroker;
}