private ChannelFuture sendFile(ChannelHandlerContext ctx, Channel ch, FileChunk file)
throws IOException {
RandomAccessFile raf;
try {
raf = new RandomAccessFile(file.getFile(), "r");
} catch (FileNotFoundException fnfe) {
return null;
}
ChannelFuture writeFuture;
if (ch.getPipeline().get(SslHandler.class) != null) {
// Cannot use zero-copy with HTTPS.
writeFuture = ch.write(new ChunkedFile(raf, file.startOffset(), file.length(), 8192));
} else {
// No encryption - use zero-copy.
final FileRegion region =
new DefaultFileRegion(raf.getChannel(), file.startOffset(), file.length());
writeFuture = ch.write(region);
writeFuture.addListener(
new ChannelFutureListener() {
public void operationComplete(ChannelFuture future) {
region.releaseExternalResources();
}
});
}
return writeFuture;
}
/**
* Sets the values of the properties of a specific <tt>ColibriConferenceIQ</tt> to the values of
* the respective properties of this instance. Thus, the specified <tt>iq</tt> may be thought of
* as a description of this instance.
*
* <p><b>Note</b>: The copying of the values is deep i.e. the <tt>Contents</tt>s of this instance
* are described in the specified <tt>iq</tt>.
*
* @param iq the <tt>ColibriConferenceIQ</tt> to set the values of the properties of this instance
* on
*/
public void describeDeep(ColibriConferenceIQ iq) {
describeShallow(iq);
if (isRecording()) {
ColibriConferenceIQ.Recording recordingIQ =
new ColibriConferenceIQ.Recording(State.ON.toString());
recordingIQ.setDirectory(getRecordingDirectory());
iq.setRecording(recordingIQ);
}
for (Content content : getContents()) {
ColibriConferenceIQ.Content contentIQ = iq.getOrCreateContent(content.getName());
for (Channel channel : content.getChannels()) {
if (channel instanceof SctpConnection) {
ColibriConferenceIQ.SctpConnection sctpConnectionIQ =
new ColibriConferenceIQ.SctpConnection();
channel.describe(sctpConnectionIQ);
contentIQ.addSctpConnection(sctpConnectionIQ);
} else {
ColibriConferenceIQ.Channel channelIQ = new ColibriConferenceIQ.Channel();
channel.describe(channelIQ);
contentIQ.addChannel(channelIQ);
}
}
}
}
/**
* Copy a file to specific destination with WinSCP command
*
* @param lfile file you want to transfer
* @param rfile destination file
*/
public synchronized void scpTo(String lfile, String rfile) {
if (!connected) {
throw new ActionFailedException("There is no session!");
}
try {
// exec 'scp -t rfile' remotely
String command = "scp -p -t " + rfile;
channel = session.openChannel("exec");
((ChannelExec) channel).setCommand(command);
// get I/O streams for remote scp
OutputStream out = channel.getOutputStream();
InputStream in = channel.getInputStream();
channel.connect();
// byte[] tmp = new byte[1];
checkAck(in);
// send "C0644 filesize filename", where filename should not include '/'
int filesize = (int) (new File(lfile)).length();
command = "C0644 " + filesize + " ";
if (lfile.lastIndexOf('/') > 0) {
command += lfile.substring(lfile.lastIndexOf('/') + 1);
} else {
command += lfile;
}
command += "\n";
out.write(command.getBytes());
out.flush();
checkAck(in);
// send a content of lfile
FileInputStream fis = new FileInputStream(lfile);
byte[] buf = new byte[1024];
while (true) {
int len = fis.read(buf, 0, buf.length);
if (len <= 0) break;
out.write(buf, 0, len);
out.flush();
}
fis.close();
// send '\0'
buf[0] = 0;
out.write(buf, 0, 1);
out.flush();
checkAck(in);
} catch (Exception e) {
throw new ItemNotFoundException("Failed to copy file: " + e.getMessage());
} finally {
if (channel != null) {
channel.disconnect();
}
}
}
public MessageDispatcher(Channel channel, MessageListener l, MembershipListener l2) {
this.channel = channel;
prot_adapter = new ProtocolAdapter();
if (channel != null) {
local_addr = channel.getAddress();
channel.addChannelListener(this);
}
setMessageListener(l);
setMembershipListener(l2);
if (channel != null) installUpHandler(prot_adapter, true);
start();
}
@Override
public void exceptionCaught(ChannelHandlerContext ctx, ExceptionEvent e) throws Exception {
Channel ch = e.getChannel();
Throwable cause = e.getCause();
if (cause instanceof TooLongFrameException) {
sendError(ctx, BAD_REQUEST);
return;
}
cause.printStackTrace();
if (ch.isConnected()) {
sendError(ctx, INTERNAL_SERVER_ERROR);
}
}
public void textInserted(Message.TextPasteMsg m) {
try {
int SenderId = m.getClientId();
int offset = m.getOffset();
String textPasted = m.getText();
if (EditorServer_Debug)
System.err.println("EditorServer->textinserted : PASTED by : " + SenderId);
Vector pars = null;
try {
pars = lockManager.textInserted(m.getPar(), offset, textPasted, SenderId);
if (EditorServer_Debug)
System.err.println("\n+=*%EditorServer--> textInserted recovered VECTOR...");
} catch (Exception e) {
System.err.println("\n+=*%EditorServer--> textInserted VECTOR error ");
}
textChannel.sendToOthers(client, new Data(m));
EditorClient SenderClient = getEditorClient(SenderId);
SenderClient.addTextPasteAction(System.currentTimeMillis(), pars, offset, textPasted);
clientsPanel.updateActionTableFor(SenderClient);
updateParagraphList();
} catch (Exception e) {
System.err.println("\nEditorServer--> textPasted: error sending msg");
if (EditorServer_Debug) e.printStackTrace();
}
}
public void textInserted(Message.TextInsertMsg m) {
if (EditorServer_Debug) System.err.println("EditorServer-> textInserted.");
try {
int ClientId = m.getClientId();
int offset = m.getOffset();
String characterInserted = m.getText();
if (EditorServer_Debug)
System.out.println("EditorServer-> textInserted : *" + characterInserted + "*");
Vector pars = lockManager.textInserted(m.getPar(), offset, characterInserted, ClientId);
textChannel.sendToOthers(client, new Data(m));
EditorClient c = getEditorClient(ClientId);
// new condition inserted to avoid timestamp generation if the character
// is a newline
if (characterInserted.equals("\n")) {
if (EditorServer_Debug)
System.out.println("EditorServer-> textInserted : attempting to insert a newLine");
}
c.addTextInsertAction(System.currentTimeMillis(), pars, offset, characterInserted);
clientsPanel.updateActionTableFor(c);
updateParagraphList();
} catch (Exception e) {
System.err.println("EditorServer-> textInserted: error receiving-sending msg");
if (EditorServer_Debug) e.printStackTrace();
}
}
public void sendHighlights() {
// send highlights to everybody
try {
Iterator i = highlights.getHighlights().iterator();
while (i.hasNext()) {
Highlights.Highlight h = (Highlights.Highlight) i.next();
Paragraph sPar = lockManager.getParFromOffset(h.getStart());
Paragraph ePar = lockManager.getParFromOffset(h.getEnd());
if (EditorServer_Debug) {
System.out.println("StartPar: " + sPar.toString());
System.out.println("EndPar: " + ePar.toString());
}
Message.HighlightAddMsg msg =
new Message.HighlightAddMsg(
-1,
h.getId(),
h.getType().getId(),
sPar.getID(),
ePar.getID(),
h.getStart() - sPar.getOffset(),
h.getEnd() - ePar.getOffset());
textChannel.sendToOthers(client, new Data(msg));
}
} catch (Exception e) {
System.err.println("EditorServer: sendHighlights: error sending msg");
if (EditorServer_Debug) e.printStackTrace();
}
}
/** {@inheritDoc} */
@Override
public void expire() {
try {
eventDispatcher.shutdown();
} finally {
super.expire();
}
}
public void stop() {
if (corr != null) corr.stop();
if (channel instanceof JChannel) {
TP transport = channel.getProtocolStack().getTransport();
transport.unregisterProbeHandler(probe_handler);
corr.unregisterProbeHandler(transport);
}
}
public void sendClientReject(int keyValue, int reason) {
Message.ClientRejectMsg msg = new Message.ClientRejectMsg(-1, keyValue, reason);
try {
clientChannel.sendToOthers(client, new Data(msg));
} catch (Exception e) {
System.err.println("EditorServer: clientRejected: error sending msg");
if (EditorServer_Debug) e.printStackTrace();
}
}
public void setChannel(Channel ch) {
if (ch == null) return;
this.channel = ch;
local_addr = channel.getAddress();
if (prot_adapter == null) prot_adapter = new ProtocolAdapter();
// Don't force installing the UpHandler so subclasses can use this
// method and still integrate with a MuxUpHandler
installUpHandler(prot_adapter, false);
}
public void scrollMoved(Message.ScrollMoveMsg m) {
// if(EditorServer_Debug) System.err.println("EditorServer: scrollMoved.") ;
try {
clientChannel.sendToOthers(client, new Data(m));
} catch (Exception e) {
System.err.println("EditorServer: scrollMoved: error sending msg");
if (EditorServer_Debug) e.printStackTrace();
}
}
public void sendDocumentState(int clientId) {
Message.DocumentStateMsg msg =
new Message.DocumentStateMsg(clientId, lockManager.getDocumentAsXML());
try {
clientChannel.sendToOthers(client, new Data(msg));
} catch (Exception e) {
System.err.println("EditorServer: sendDocumentState: error sending msg");
if (EditorServer_Debug) e.printStackTrace();
}
}
/*
* (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);
}
}
public void start() {
if (corr == null)
corr =
createRequestCorrelator(prot_adapter, this, local_addr)
.asyncDispatching(async_dispatching);
correlatorStarted();
corr.start();
if (channel != null) {
List<Address> tmp_mbrs = channel.getView() != null ? channel.getView().getMembers() : null;
setMembers(tmp_mbrs);
if (channel instanceof JChannel) {
TP transport = channel.getProtocolStack().getTransport();
corr.registerProbeHandler(transport);
}
TP transport = channel.getProtocolStack().getTransport();
hardware_multicast_supported = transport.supportsMulticasting();
transport.registerProbeHandler(probe_handler);
}
}
/**
* This procedure is invoked to process the "flush" Tcl command. See the user documentation for
* details on what it does.
*
* @param interp the current interpreter.
* @param argv command arguments.
*/
public void cmdProc(Interp interp, TclObject argv[]) throws TclException {
Channel chan; /* The channel being operated on this method */
if (argv.length != 2) {
throw new TclNumArgsException(interp, 1, argv, "channelId");
}
chan = TclIO.getChannel(interp, argv[1].toString());
if (chan == null) {
throw new TclException(interp, "can not find channel named \"" + argv[1].toString() + "\"");
}
try {
chan.flush(interp);
} catch (IOException e) {
throw new TclRuntimeError(
"FlushCmd.cmdProc() Error: IOException when flushing " + chan.getChanName());
}
}
public void lockReleased(Message.LockReleaseMsg m) {
if (EditorServer_Debug) System.err.println("EditorServer: lockReleased.");
lockManager.lockReleased(m.getStartPar(), m.getEndPar(), m.getClientId());
try {
textChannel.sendToOthers(client, new Data(m));
} catch (Exception e) {
System.err.println("EditorServer: lockReleased: error sending lock released");
if (EditorServer_Debug) e.printStackTrace();
}
}
public void highlightDeleted(Message.HighlightDeleteMsg m) {
if (EditorServer_Debug) System.err.println("EditorServer: highlightDeleted.");
highlights.deleteHighlight(m.getId());
EditorClient c = getEditorClient(m.getClientId());
try {
textChannel.sendToOthers(client, new Data(m));
} catch (Exception e) {
System.err.println("EditorServer: highlightDeleted: error sending msg");
if (EditorServer_Debug) e.printStackTrace();
}
}
private void cleanup(int code, String message) {
try {
channel.close(code, message);
} catch (Exception e) {
logger.debug("failed to close channel on [{}]", e, message);
}
try {
connection.close(code, message);
} catch (Exception e) {
logger.debug("failed to close connection on [{}]", e, message);
}
}
/**
* Creates a channel for shell type in the current session channel types = shell, sftp, exec(X
* forwarding), direct-tcpip(stream forwarding) etc
*
* @param sshContact ID of SSH Contact
*/
public void createShellChannel(ContactSSH sshContact) throws IOException {
try {
Channel shellChannel = sshContact.getSSHSession().openChannel("shell");
// initalizing the reader and writers of ssh contact
sshContact.initializeShellIO(shellChannel.getInputStream(), shellChannel.getOutputStream());
((ChannelShell) shellChannel)
.setPtyType(sshContact.getSSHConfigurationForm().getTerminalType());
// initializing the shell
shellChannel.connect(1000);
sshContact.setShellChannel(shellChannel);
sshContact.sendLine("export PS1=");
} catch (JSchException ex) {
sshContact.setSSHSession(null);
throw new IOException("Unable to create shell channel to remote" + " server");
}
}
public void highlightTypeAdded(Message.HighlightTypeMsg m) {
if (EditorServer_Debug) System.err.println("EditorServer: highlightTypeAdded.");
highlights.addHighlightType(m.getId(), m.getName(), m.getColor());
try {
textChannel.sendToOthers(client, new Data(m));
} catch (Exception e) {
System.err.println("EditorServer: highlightTypeAdded: error sending msg");
if (EditorServer_Debug) e.printStackTrace();
}
}
public void highlightEdited(Message.HighlightEditMsg m) {
if (EditorServer_Debug) System.err.println("EditorServer: highlightEdited.");
highlights.editHighlight(
m.getId(), m.getStartPar(), m.getStartOffset(), m.getEndPar(), m.getEndOffset());
try {
textChannel.sendToOthers(client, new Data(m));
} catch (Exception e) {
System.err.println("EditorServer: highlightEdited: error sending msg");
if (EditorServer_Debug) e.printStackTrace();
}
}
public void lockRequested(Message.LockRequestMsg m) {
if (EditorServer_Debug) System.err.println("EditorServer -> lockRequested.");
/*
java.util.Timer t = new java.util.Timer() ;
t.schedule(new TimerTask() {
public void run() {
client.lockDenied(id) ;
}
}, 3000) ;
*/
if (lockManager.lockRequested(m.getStartPar(), m.getEndPar(), m.getClientId())) {
if (EditorServer_Debug) System.out.println("Lock Granted");
Message.LockGrantMsg reply =
new Message.LockGrantMsg(
m.getClientId(), m.getStartPar(), m.getEndPar(), m.getIdNumber());
try {
textChannel.sendToOthers(client, new Data(reply));
} catch (Exception e) {
System.err.println("EditorServer: lockRequested: error sending lock granted");
if (EditorServer_Debug) e.printStackTrace();
}
} else {
if (EditorServer_Debug) System.out.println("Lock Denied");
// send lock denied to sender
Message.LockDenyMsg reply = new Message.LockDenyMsg(m.getClientId(), m.getIdNumber());
try {
textChannel.sendToOthers(client, new Data(reply));
} catch (Exception e) {
System.err.println("EditorServer: lockRequested: error sending lock denied");
if (EditorServer_Debug) e.printStackTrace();
}
}
}
public void clientLeft(Message.ClientLeaveMsg m) {
System.out.println("EditorServer: clientLeft");
EditorClient ec = getEditorClient(m.getClientId());
ec.setPresent(false);
clientsPanel.updateClientList();
try {
clientChannel.sendToOthers(client, new Data(m));
} catch (Exception e) {
System.err.println("EditorServer: clientLeft: error sending msg");
if (EditorServer_Debug) e.printStackTrace();
}
}
public void disconnect() {
if (connected) {
if (channel != null) {
channel.disconnect();
channel = null;
}
if (session != null) {
session.disconnect();
session = null;
}
connected = false;
}
}
/**
* Sets the given UpHandler as the UpHandler for the channel, or, if the channel already has a
* Muxer installed as it's UpHandler, sets the given handler as the Muxer's {@link
* Muxer#setDefaultHandler(Object) default handler}. If the relevant handler is already installed,
* the <code>canReplace</code> controls whether this method replaces it (after logging a WARN) or
* simply leaves <code>handler</code> uninstalled.
*
* <p>Passing <code>false</code> as the <code>canReplace</code> value allows callers to use this
* method to install defaults without concern about inadvertently overriding
*
* @param handler the UpHandler to install
* @param canReplace <code>true</code> if an existing Channel upHandler or Muxer default upHandler
* can be replaced; <code>false</code> if this method shouldn't install
*/
protected void installUpHandler(UpHandler handler, boolean canReplace) {
UpHandler existing = channel.getUpHandler();
if (existing == null) {
channel.setUpHandler(handler);
} else if (existing instanceof Muxer<?>) {
@SuppressWarnings("unchecked")
Muxer<UpHandler> mux = (Muxer<UpHandler>) existing;
if (mux.getDefaultHandler() == null) {
mux.setDefaultHandler(handler);
} else if (canReplace) {
log.warn(
"Channel Muxer already has a default up handler installed ("
+ mux.getDefaultHandler()
+ ") but now it is being overridden");
mux.setDefaultHandler(handler);
}
} else if (canReplace) {
log.warn(
"Channel already has an up handler installed ("
+ existing
+ ") but now it is being overridden");
channel.setUpHandler(handler);
}
}
public void gestureLine(Message.GestureLineMsg m) {
if (EditorServer_Debug)
System.err.println("EditorServer: gestureLine." + String.valueOf(m.getId()));
try {
clientChannel.sendToOthers(client, new Data(m));
EditorClient c = getEditorClient(m.getClientId());
long par = getParIdForGesture(m.getPar(), m.getAY());
c.addGestureAction(System.currentTimeMillis(), m.getId(), par, m.getAX(), m.getAY(), this);
c.addGestureAction(System.currentTimeMillis(), m.getId(), par, m.getBX(), m.getBY(), this);
clientsPanel.updateActionTableFor(c);
} catch (Exception e) {
System.err.println("EditorServer: gestureLine: error sending msg");
if (EditorServer_Debug) e.printStackTrace();
}
}
public void clientAppeared() {
if (EditorServer_Debug) System.out.println("EditorServer: clientAppeared.");
// send client list to everybody
try {
Iterator i = clients.iterator();
while (i.hasNext()) {
EditorClient ec = (EditorClient) i.next();
if (ec.isPresent()) clientChannel.sendToOthers(client, new Data(ec.getMessage()));
}
} catch (Exception e) {
System.err.println("EditorServer: clientAppeared: error sending msg");
if (EditorServer_Debug) e.printStackTrace();
}
}
public void sendHighlightTypes() {
// send highlightTypes to everybody
try {
Iterator i = highlights.getHighlightTypes().iterator();
while (i.hasNext()) {
HighlightType type = (HighlightType) i.next();
if (EditorServer_Debug)
System.out.println("EditorServer: sendHighlightTypes. " + String.valueOf(type.getId()));
Message.HighlightTypeMsg msg =
new Message.HighlightTypeMsg(-1, type.getId(), type.getName(), type.getColor());
textChannel.sendToOthers(client, new Data(msg));
}
} catch (Exception e) {
System.err.println("EditorServer: sendHighlightTypes: error sending msg");
if (EditorServer_Debug) e.printStackTrace();
}
}