/*
* (non-Javadoc)
*
* @see
* org.eclipse.ecf.provider.filetransfer.outgoing.AbstractOutgoingFileTransfer
* #hardClose()
*/
protected void hardClose() {
try {
if (remoteFileContents != null && scpUtil != null) {
scpUtil.sendZeroToStream(responseStream);
scpUtil.dispose();
scpUtil = null;
remoteFileContents = null;
responseStream = null;
}
} catch (final IOException e) {
exception = e;
} finally {
super.hardClose();
channel = null;
username = null;
}
}
/*
* (non-Javadoc)
*
* @see
* org.eclipse.ecf.provider.filetransfer.outgoing.AbstractOutgoingFileTransfer
* #openStreams()
*/
protected void openStreams() throws IncomingFileTransferException {
try {
// Set input stream from local file
final URL url = getRemoteFileURL();
this.username = url.getUserInfo();
scpUtil = new ScpUtil(this);
final Session s = scpUtil.getSession();
s.connect();
final String command = SCP_COMMAND + scpUtil.trimTargetFile(url.getPath());
channel = s.openChannel(SCP_EXEC);
((ChannelExec) channel).setCommand(command);
channel.connect();
final InputStream ins = channel.getInputStream();
responseStream = channel.getOutputStream();
scpUtil.sendZeroToStream(responseStream);
final int c = checkAck(ins);
if (c != 'C') throw new IOException(Messages.ScpRetrieveFileTransfer_EXCEPTION_SCP_PROTOCOL);
// read '0644 '
final byte[] buf = new byte[1024];
ins.read(buf, 0, 5);
setFileLength(readFileSize(ins, buf));
readFileName(ins, buf);
// set input stream for reading rest of file
remoteFileContents = ins;
scpUtil.sendZeroToStream(responseStream);
fireReceiveStartEvent();
} catch (final Exception e) {
channel = null;
username = null;
throw new IncomingFileTransferException(
NLS.bind(
Messages.ScpRetrieveFileTransfer_EXCEPTION_CONNECTING, getRemoteFileURL().toString()),
e);
}
}
/*
* (non-Javadoc)
*
* @see
* org.eclipse.ecf.provider.filetransfer.retrieve.AbstractRetrieveFileTransfer
* #handleReceivedData(byte[], int, double,
* org.eclipse.core.runtime.IProgressMonitor)
*/
protected void handleReceivedData(byte[] buf, int bytes, double factor, IProgressMonitor monitor)
throws IOException {
if (bytes == -1) {
done = true;
} else {
int fileBytes = bytes;
if ((bytesReceived + bytes) > fileLength) {
fileBytes = (int) (fileLength - bytesReceived);
}
bytesReceived += fileBytes;
localFileContents.write(buf, 0, fileBytes);
fireTransferReceiveDataEvent();
monitor.worked((int) Math.round(factor * fileBytes));
if (fileBytes != bytes) {
scpUtil.checkAck(buf[fileBytes], remoteFileContents);
done = true;
}
}
}
