org.eclipse.linuxtools.lttng2.control.ui/src/org/eclipse/linuxtools/internal/lttng2/control/ui/views/dialogs/CreateSessionDialog.java

   1 /**********************************************************************
   2  * Copyright (c) 2012, 2014 Ericsson
   3  *
   4  * All rights reserved. This program and the accompanying materials are
   5  * made available under the terms of the Eclipse Public License v1.0 which
   6  * accompanies this distribution, and is available at
   7  * http://www.eclipse.org/legal/epl-v10.html
   8  *
   9  * Contributors:
  10  *   Bernd Hufmann - Initial API and implementation
  11  *   Bernd Hufmann - Updated for support of LTTng Tools 2.1
  12  *   Marc-Andre Laperle - Support for creating a live session
  13  **********************************************************************/
  14
  15 package org.eclipse.linuxtools.internal.lttng2.control.ui.views.dialogs;
  16
  17 import org.eclipse.core.runtime.NullProgressMonitor;
  18 import org.eclipse.jface.dialogs.IDialogConstants;
  19 import org.eclipse.jface.dialogs.TitleAreaDialog;
  20 import org.eclipse.linuxtools.internal.lttng2.control.core.model.ISessionInfo;
  21 import org.eclipse.linuxtools.internal.lttng2.control.core.model.impl.SessionInfo;
  22 import org.eclipse.linuxtools.internal.lttng2.control.ui.Activator;
  23 import org.eclipse.linuxtools.internal.lttng2.control.ui.views.messages.Messages;
  24 import org.eclipse.linuxtools.internal.lttng2.control.ui.views.model.impl.TargetNodeComponent;
  25 import org.eclipse.linuxtools.internal.lttng2.control.ui.views.model.impl.TraceSessionGroup;
  26 import org.eclipse.linuxtools.internal.lttng2.control.ui.views.remote.IRemoteSystemProxy;
  27 import org.eclipse.linuxtools.internal.lttng2.control.ui.views.service.LTTngControlServiceConstants;
  28 import org.eclipse.rse.services.clientserver.messages.SystemMessageException;
  29 import org.eclipse.rse.subsystems.files.core.servicesubsystem.IFileServiceSubSystem;
  30 import org.eclipse.rse.subsystems.files.core.subsystems.IRemoteFile;
  31 import org.eclipse.swt.SWT;
  32 import org.eclipse.swt.custom.CCombo;
  33 import org.eclipse.swt.events.FocusEvent;
  34 import org.eclipse.swt.events.FocusListener;
  35 import org.eclipse.swt.events.ModifyEvent;
  36 import org.eclipse.swt.events.ModifyListener;
  37 import org.eclipse.swt.events.SelectionAdapter;
  38 import org.eclipse.swt.events.SelectionEvent;
  39 import org.eclipse.swt.events.VerifyEvent;
  40 import org.eclipse.swt.events.VerifyListener;
  41 import org.eclipse.swt.layout.GridData;
  42 import org.eclipse.swt.layout.GridLayout;
  43 import org.eclipse.swt.widgets.Button;
  44 import org.eclipse.swt.widgets.Composite;
  45 import org.eclipse.swt.widgets.Control;
  46 import org.eclipse.swt.widgets.Group;
  47 import org.eclipse.swt.widgets.Label;
  48 import org.eclipse.swt.widgets.Shell;
  49 import org.eclipse.swt.widgets.Text;
  50
  51 /**
  52  * <p>
  53  * Dialog box for collecting session creation information.
  54  * </p>
  55  *
  56  * @author Bernd Hufmann
  57  */
  58 public class CreateSessionDialog extends TitleAreaDialog implements ICreateSessionDialog {
  59
  60     // ------------------------------------------------------------------------
  61     // Constants
  62     // ------------------------------------------------------------------------
  63     /**
  64      * The icon file for this dialog box.
  65      */
  66     public static final String CREATE_SESSION_ICON_FILE = "icons/elcl16/add_button.gif"; //$NON-NLS-1$
  67
  68     /**
  69      *  To indicate that the default value will be used for this field
  70      */
  71     private static final String DEFAULT_TEXT = "<" + Messages.EnableChannelDialog_DefaultMessage + ">"; //$NON-NLS-1$ //$NON-NLS-2$
  72
  73     /**
  74      * Supported network protocols for streaming
  75      */
  76     private enum StreamingProtocol {
  77         /** Default network protocol for IPv4 (TCP)*/
  78         net,
  79         /** Default network protocol for IPv6 (TCP)*/
  80         net6,
  81         /** File */
  82         file,
  83    }
  84
  85     /**
  86      * Supported network protocols for Live tracing
  87      */
  88     private enum LiveProtocol {
  89         /** Default network protocol for IPv4 (TCP)*/
  90         net,
  91         /** Default network protocol for IPv6 (TCP)*/
  92         net6
  93    }
  94
  95     private enum StreamingProtocol2 {
  96         /** Default network protocol for IPv4 (TCP)*/
  97         net,
  98         /** Default network protocol for IPv6 (TCP)*/
  99         net6,
 100         /** TCP network protocol for IPv4*/
 101         tcp,
 102         /** TCP network protocol for IPv6*/
 103         tcp6 }
 104
 105     /**
 106      * Index of last supported streaming protocol for common URL configuration.
 107      */
 108     private static final int COMMON_URL_LAST_INDEX = 1;
 109     /**
 110      *  Index of default streaming protocol.
 111      */
 112     private static final int DEFAULT_URL_INDEX = 0;
 113
 114     // ------------------------------------------------------------------------
 115     // Attributes
 116     // ------------------------------------------------------------------------
 117     /**
 118      * The dialog composite.
 119      */
 120     private Composite fDialogComposite = null;
 121     /**
 122      * The text widget for the session name
 123      */
 124     private Text fSessionNameText = null;
 125     /**
 126      * The label widget for the session path.
 127      */
 128     private Label fSessionPathLabel = null;
 129     /**
 130      * The text widget for the session path.
 131      */
 132     private Text fSessionPathText = null;
 133     /**
 134      * The button widget to select a normal session
 135      */
 136     private Button fNormalModeButton = null;
 137     /**
 138      * The button widget to select a snapshot session
 139      */
 140     private Button fSnapshotButton = null;
 141     /**
 142      * The group that contains the mutually exclusive mode buttons
 143      */
 144     private Group fModeButtonGroup = null;
 145     /**
 146      * The button widget to select a live session
 147      */
 148     private Button fLiveButton = null;
 149
 150     /**
 151      * The text widget to set a live delay
 152      */
 153     private Text fLiveDelayText = null;
 154     /**
 155      * The Group for advanced configuration.
 156      */
 157     private Group fAdvancedGroup = null;
 158     /**
 159      * The button to show advanced options.
 160      */
 161     private Button fAdvancedButton = null;
 162     /**
 163      * The composite with streaming configuration parameter.
 164      */
 165     private Composite fStreamingComposite = null;
 166     /**
 167      * The text widget for the trace path.
 168      */
 169     private Text fTracePathText = null;
 170     /**
 171      * The button to link data protocol/Address with control protocol.
 172      */
 173     private Button fLinkDataWithControlButton = null;
 174     /**
 175      * The Combo box for channel protocol selection.
 176      */
 177      private CCombo fControlProtocolCombo = null;
 178     /**
 179      * A selection listener that copies the protocol from control to data when being linked.
 180      */
 181     private ControlProtocolSelectionListener fCopyProtocolSelectionListener;
 182     /**
 183      * A selection listener updates the control port text depending on the control protocol selected.
 184      */
 185     private ProtocolComboSelectionListener fControlProtocolSelectionListener;
 186     /**
 187      * A selection listener updates the data port text depending on the data protocol selected.
 188      */
 189     private ProtocolComboSelectionListener fDataProtocolSelectionListener;
 190     /**
 191      * The text box for the host/IP address of the control channel.
 192      */
 193     private Text fControlHostAddressText = null;
 194     /**
 195      * A key listener that copies the host address from control to data when being linked.
 196      */
 197     private CopyModifyListener fControlUrlKeyListener;
 198     /**
 199      * A modify listener that updates the enablement of the dialog.
 200      */
 201     private UpdateEnablementModifyListener fUpdateEnablementModifyListener;
 202     /**
 203      * The text box for the control port.
 204      */
 205     private Text fControlPortText = null;
 206     /**
 207      * The Combo box for data protocol selection.
 208      */
 209      private CCombo fDataProtocolCombo = null;
 210     /**
 211      * The text box for the host/IP address of the data channel.
 212      */
 213     private Text fDataHostAddressText = null;
 214     /**
 215      * The text box for the data port.
 216      */
 217     private Text fDataPortText = null;
 218     /**
 219      * The parent where the new node should be added.
 220      */
 221     private TraceSessionGroup fParent = null;
 222     /**
 223      * The session name string.
 224      */
 225     private String fSessionName = ""; //$NON-NLS-1$;
 226     /**
 227      * The  session path string.
 228      */
 229     private String fSessionPath = null;
 230     /**
 231      * Flag whether the session is snapshot or not
 232      */
 233     private boolean fIsSnapshot = false;
 234     /**
 235      * Flag whether the session is live or not
 236      */
 237     private boolean fIsLive = false;
 238     /**
 239      * The live delay
 240      */
 241     private Integer fLiveDelay = 0;
 242     /**
 243      * Flag whether default location (path) shall be used or not
 244      */
 245     private boolean fIsDefaultPath = true;
 246     /**
 247      * Flag whether the advanced options are enabled or not
 248      */
 249     private boolean fIsAdvancedEnabled = false;
 250     /**
 251      * The network URL in case control and data is configured together.
 252      * If set, fControlUrl and fDataUrl will be null.
 253      */
 254     private String fNetworkUrl = null;
 255     /**
 256      * The control URL in case control and data is configured separately.
 257      * If set, fDataUrl will be set too and fNetworkUrl will be null.
 258      */
 259     private String fControlUrl = null;
 260     /**
 261      * The data URL in case control and data is configured separately.
 262      * If set, fControlUrl will be set too and fNetworkUrl will be null.
 263      */
 264     private String fDataUrl = null;
 265     /**
 266      * The trace path string.
 267      */
 268     private String fTracePath = null;
 269     /**
 270      * The Group for advanced configuration of Live mode.
 271      */
 272     private Group fLiveGroup = null;
 273
 274     // ------------------------------------------------------------------------
 275     // Constructors
 276     // ------------------------------------------------------------------------
 277     /**
 278      * Constructor
 279      * @param shell - a shell for the display of the dialog
 280      */
 281     public CreateSessionDialog(Shell shell) {
 282         super(shell);
 283         setShellStyle(SWT.RESIZE | getShellStyle());
 284     }
 285
 286     // ------------------------------------------------------------------------
 287     // Accessors
 288     // ------------------------------------------------------------------------
 289
 290     @Override
 291     public void initialize(TraceSessionGroup group) {
 292        fParent = group;
 293        fStreamingComposite = null;
 294        fLiveGroup = null;
 295        fLiveButton = null;
 296        fIsLive = false;
 297        fSnapshotButton = null;
 298        fSessionName = ""; //$NON-NLS-1$
 299        fSessionPath = null;
 300        fIsSnapshot = false;
 301        fIsDefaultPath = true;
 302        fIsAdvancedEnabled = false;
 303        fNetworkUrl = null;
 304        fControlUrl = null;
 305        fDataUrl = null;
 306     }
 307     // ------------------------------------------------------------------------
 308     // Operations
 309     // ------------------------------------------------------------------------
 310
 311     @Override
 312     protected void configureShell(Shell newShell) {
 313         super.configureShell(newShell);
 314         newShell.setText(Messages.TraceControl_CreateSessionDialogTitle);
 315         newShell.setImage(Activator.getDefault().loadIcon(CREATE_SESSION_ICON_FILE));
 316     }
 317
 318     @Override
 319     protected Control createDialogArea(Composite parent) {
 320         Composite dialogAreaa = (Composite) super.createDialogArea(parent);
 321         setTitle(Messages.TraceControl_CreateSessionDialogTitle);
 322         setMessage(Messages.TraceControl_CreateSessionDialogMessage);
 323
 324         // Main dialog panel
 325         fDialogComposite = new Composite(dialogAreaa, SWT.NONE);
 326         GridLayout layout = new GridLayout(1, true);
 327         fDialogComposite.setLayout(layout);
 328         fDialogComposite.setLayoutData(new GridData(GridData.FILL_BOTH));
 329
 330         Group sessionGroup = new Group(fDialogComposite, SWT.SHADOW_NONE);
 331         sessionGroup.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
 332         sessionGroup.setLayout(new GridLayout(4, true));
 333
 334         fUpdateEnablementModifyListener = new UpdateEnablementModifyListener();
 335
 336         Label sessionNameLabel = new Label(sessionGroup, SWT.RIGHT);
 337         sessionNameLabel.setText(Messages.TraceControl_CreateSessionNameLabel);
 338         fSessionNameText = new Text(sessionGroup, SWT.NONE);
 339         fSessionNameText.setToolTipText(Messages.TraceControl_CreateSessionNameTooltip);
 340         fSessionNameText.addModifyListener(fUpdateEnablementModifyListener);
 341         GridData data = new GridData(GridData.FILL_HORIZONTAL);
 342         data.horizontalSpan = 3;
 343         fSessionNameText.setLayoutData(data);
 344
 345         fSessionPathLabel = new Label(sessionGroup, SWT.RIGHT);
 346         fSessionPathLabel.setText(Messages.TraceControl_CreateSessionPathLabel);
 347         fSessionPathText = new Text(sessionGroup, SWT.NONE);
 348         fSessionPathText.setToolTipText(Messages.TraceControl_CreateSessionPathTooltip);
 349         data = new GridData(GridData.FILL_HORIZONTAL);
 350         data.horizontalSpan = 3;
 351         fSessionPathText.setLayoutData(data);
 352         fSessionPathText.addModifyListener(fUpdateEnablementModifyListener);
 353
 354         if (fParent.isSnapshotSupported() || fParent.isLiveSupported()) {
 355             fModeButtonGroup = new Group(sessionGroup, SWT.NONE);
 356             data = new GridData(GridData.FILL_HORIZONTAL);
 357             data.horizontalSpan = 4;
 358             fModeButtonGroup.setLayoutData(data);
 359             fModeButtonGroup.setLayout(new GridLayout(3, true));
 360
 361             SelectionAdapter modeChangedListener = new SelectionAdapter() {
 362                 @Override
 363                 public void widgetSelected(SelectionEvent e) {
 364                     if (fLiveButton != null) {
 365                         if (fLiveButton.getSelection()) {
 366                             createAdvancedLiveGroup();
 367                             updateSessionPathEnablement();
 368                             updateProtocolComboItems();
 369                         } else {
 370                             disposeLiveGroup();
 371                             updateSessionPathEnablement();
 372                             updateProtocolComboItems();
 373                         }
 374                     }
 375                     updateEnablement();
 376                 }
 377             };
 378
 379             fNormalModeButton = new Button(fModeButtonGroup, SWT.RADIO);
 380             fNormalModeButton.setText(Messages.TraceControl_CreateSessionNormalLabel);
 381             fNormalModeButton.setToolTipText(Messages.TraceControl_CreateSessionNormalTooltip);
 382             fNormalModeButton.setSelection(true);
 383             fNormalModeButton.addSelectionListener(modeChangedListener);
 384
 385             if (fParent.isSnapshotSupported()) {
 386                 fSnapshotButton = new Button(fModeButtonGroup, SWT.RADIO);
 387                 fSnapshotButton.setText(Messages.TraceControl_CreateSessionSnapshotLabel);
 388                 fSnapshotButton.setToolTipText(Messages.TraceControl_CreateSessionSnapshotTooltip);
 389                 fSnapshotButton.addSelectionListener(modeChangedListener);
 390             }
 391
 392             if (fParent.isLiveSupported()) {
 393                 fLiveButton = new Button(fModeButtonGroup, SWT.RADIO);
 394                 fLiveButton.setText(Messages.TraceControl_CreateSessionLiveLabel);
 395                 fLiveButton.setToolTipText(Messages.TraceControl_CreateSessionLiveTooltip);
 396                 fLiveButton.addSelectionListener(modeChangedListener);
 397             }
 398         }
 399
 400         if (fParent.isNetworkStreamingSupported() || fParent.isLiveSupported()) {
 401             createAdvancedOptionsComposite();
 402         }
 403
 404         return fDialogComposite;
 405     }
 406
 407     private void createAdvancedOptionsComposite() {
 408
 409         fAdvancedGroup = new Group(fDialogComposite, SWT.SHADOW_NONE);
 410         fAdvancedGroup.setLayoutData(new GridData(GridData.FILL_BOTH));
 411         fAdvancedGroup.setLayout(new GridLayout(1, true));
 412
 413         fAdvancedButton = new Button(fAdvancedGroup, SWT.PUSH);
 414         fAdvancedButton.setText(Messages.TraceControl_CreateSessionConfigureStreamingButtonText + " >>>"); //$NON-NLS-1$
 415         fAdvancedButton.setToolTipText(Messages.TraceControl_CreateSessionConfigureStreamingButtonTooltip);
 416         fAdvancedButton.addSelectionListener(new SelectionAdapter() {
 417             @Override
 418             public void widgetSelected(SelectionEvent e) {
 419                 if (fIsAdvancedEnabled) {
 420                     fIsAdvancedEnabled = false;
 421                     fAdvancedButton.setText(">>> " + Messages.TraceControl_CreateSessionConfigureStreamingButtonText); //$NON-NLS-1$
 422                     fAdvancedButton.setToolTipText(Messages.TraceControl_CreateSessionConfigureStreamingButtonTooltip);
 423
 424                     if (fParent.isNetworkStreamingSupported()) {
 425                         updateSessionPathEnablement();
 426                         disposeConfigureStreamingComposite();
 427                     }
 428
 429                     if (fParent.isLiveSupported()) {
 430                         disposeLiveGroup();
 431                     }
 432                 } else {
 433                     fIsAdvancedEnabled = true;
 434                     fAdvancedButton.setText("<<< " + Messages.TraceControl_CreateSessionNoStreamingButtonText); //$NON-NLS-1$
 435                     fAdvancedButton.setToolTipText(Messages.TraceControl_CreateSessionNoStreamingButtonTooltip);
 436
 437                     if (fParent.isNetworkStreamingSupported()) {
 438                         updateSessionPathEnablement();
 439                         createConfigureStreamingComposite();
 440                     }
 441                     if (fLiveButton != null && fLiveButton.getSelection()) {
 442                         createAdvancedLiveGroup();
 443                     }
 444                 }
 445
 446                 updateEnablement();
 447                 getShell().pack();
 448             }
 449         });
 450     }
 451
 452     private void updateSessionPathEnablement() {
 453         if (fIsAdvancedEnabled || fIsLive) {
 454             fSessionPathText.setEnabled(false);
 455             fSessionPathText.setText(""); //$NON-NLS-1$
 456             fSessionPathLabel.setText(""); //$NON-NLS-1$
 457         } else {
 458             fSessionPathText.setEnabled(true);
 459             fSessionPathLabel.setText(Messages.TraceControl_CreateSessionPathLabel);
 460         }
 461     }
 462
 463     private void updateProtocolComboItems() {
 464         if (fControlProtocolCombo == null || fControlProtocolCombo.isDisposed()) {
 465             return;
 466         }
 467
 468         int currentSelection = fControlProtocolCombo.getSelectionIndex() <= COMMON_URL_LAST_INDEX ?
 469                 fControlProtocolCombo.getSelectionIndex() : DEFAULT_URL_INDEX;
 470
 471         fControlProtocolCombo.removeAll();
 472         Enum<? extends Enum<?>>[] values;
 473         if (fIsLive) {
 474             values = LiveProtocol.values();
 475         } else if (fLinkDataWithControlButton.getSelection()) {
 476             values = StreamingProtocol.values();
 477         } else {
 478             values = StreamingProtocol2.values();
 479         }
 480
 481         String[] controlItems = new String[values.length];
 482         for (int i = 0; i < controlItems.length; i++) {
 483             controlItems[i] = values[i].name();
 484         }
 485         fControlProtocolCombo.setItems(controlItems);
 486         fDataProtocolCombo.setItems(controlItems);
 487
 488         // Set selection
 489         if (currentSelection != -1) {
 490             fControlProtocolCombo.select(currentSelection);
 491             fDataProtocolCombo.select(currentSelection);
 492         }
 493     }
 494
 495     private void createConfigureStreamingComposite() {
 496         if (fStreamingComposite == null) {
 497             fStreamingComposite = new Group(fAdvancedGroup, SWT.SHADOW_NONE);
 498             GridLayout layout = new GridLayout(1, true);
 499             fStreamingComposite.setLayout(layout);
 500             fStreamingComposite.setLayoutData(new GridData(GridData.FILL_BOTH));
 501
 502             layout = new GridLayout(7, true);
 503             fStreamingComposite.setLayout(layout);
 504             fStreamingComposite.setLayoutData(new GridData(GridData.FILL_BOTH));
 505
 506             Label tracePathLabel = new Label(fStreamingComposite, SWT.RIGHT);
 507             tracePathLabel.setText(Messages.TraceControl_CreateSessionTracePathText);
 508             fTracePathText = new Text(fStreamingComposite, SWT.NONE);
 509             fTracePathText.setToolTipText(Messages.TraceControl_CreateSessionTracePathTooltip);
 510
 511             // layout widgets
 512             GridData data = new GridData(GridData.FILL_HORIZONTAL);
 513             data.horizontalSpan = 6;
 514             fTracePathText.setLayoutData(data);
 515             fTracePathText.addModifyListener(fUpdateEnablementModifyListener);
 516
 517             fLinkDataWithControlButton = new Button(fStreamingComposite, SWT.CHECK);
 518             fLinkDataWithControlButton.setText(Messages.TraceControl_CreateSessionLinkButtonText);
 519             fLinkDataWithControlButton.setToolTipText(Messages.TraceControl_CreateSessionLinkButtonTooltip);
 520             data = new GridData(GridData.FILL_HORIZONTAL);
 521             data.horizontalSpan = 7;
 522             fLinkDataWithControlButton.setLayoutData(data);
 523             fLinkDataWithControlButton.setSelection(true);
 524
 525             Label label = new Label(fStreamingComposite, SWT.NONE);
 526             data = new GridData(GridData.FILL_HORIZONTAL);
 527             data.horizontalSpan = 1;
 528             label.setLayoutData(data);
 529
 530             label = new Label(fStreamingComposite, SWT.NONE);
 531             label.setText(Messages.TraceControl_CreateSessionProtocolLabelText);
 532             data = new GridData(GridData.FILL_HORIZONTAL);
 533             data.horizontalSpan = 1;
 534             label.setLayoutData(data);
 535
 536             label = new Label(fStreamingComposite, SWT.NONE);
 537             label.setText(Messages.TraceControl_CreateSessionAddressLabelText);
 538             data = new GridData(GridData.FILL_HORIZONTAL);
 539             data.horizontalSpan = 4;
 540             label.setLayoutData(data);
 541
 542             label = new Label(fStreamingComposite, SWT.NONE);
 543             label.setText(Messages.TraceControl_CreateSessionPortLabelText);
 544             data = new GridData(GridData.FILL_HORIZONTAL);
 545             data.horizontalSpan = 1;
 546             label.setLayoutData(data);
 547
 548             label = new Label(fStreamingComposite, SWT.RIGHT);
 549             label.setText(Messages.TraceControl_CreateSessionControlUrlLabel);
 550             data = new GridData(GridData.FILL_HORIZONTAL);
 551             data.horizontalSpan = 1;
 552             label.setLayoutData(data);
 553
 554             fControlProtocolCombo = new CCombo(fStreamingComposite, SWT.READ_ONLY);
 555             fControlProtocolCombo.setToolTipText(Messages.TraceControl_CreateSessionCommonProtocolTooltip);
 556             data = new GridData(GridData.FILL_HORIZONTAL);
 557             data.horizontalSpan = 1;
 558             fControlProtocolCombo.setLayoutData(data);
 559             fControlProtocolCombo.addModifyListener(fUpdateEnablementModifyListener);
 560
 561             fControlHostAddressText = new Text(fStreamingComposite, SWT.NONE);
 562             fControlHostAddressText.setToolTipText(Messages.TraceControl_CreateSessionControlAddressTooltip);
 563             data = new GridData(GridData.FILL_HORIZONTAL);
 564             data.horizontalSpan = 4;
 565             fControlHostAddressText.setLayoutData(data);
 566             fControlHostAddressText.addModifyListener(fUpdateEnablementModifyListener);
 567
 568             fControlPortText = new Text(fStreamingComposite, SWT.NONE);
 569             fControlPortText.setToolTipText(Messages.TraceControl_CreateSessionControlPortTooltip);
 570             data = new GridData(GridData.FILL_HORIZONTAL);
 571             data.horizontalSpan = 1;
 572             fControlPortText.setLayoutData(data);
 573             fControlPortText.addModifyListener(fUpdateEnablementModifyListener);
 574
 575             label = new Label(fStreamingComposite, SWT.RIGHT);
 576             label.setText(Messages.TraceControl_CreateSessionDataUrlLabel);
 577             data = new GridData(GridData.FILL_HORIZONTAL);
 578             data.horizontalSpan = 1;
 579             label.setLayoutData(data);
 580
 581             fDataProtocolCombo = new CCombo(fStreamingComposite, SWT.READ_ONLY);
 582             fDataProtocolCombo.setEnabled(false);
 583             fDataProtocolCombo.setToolTipText(Messages.TraceControl_CreateSessionProtocolTooltip);
 584             data = new GridData(GridData.FILL_HORIZONTAL);
 585             data.horizontalSpan = 1;
 586             fDataProtocolCombo.setLayoutData(data);
 587             fDataProtocolCombo.addModifyListener(fUpdateEnablementModifyListener);
 588
 589             updateProtocolComboItems();
 590
 591             fDataHostAddressText = new Text(fStreamingComposite, SWT.NONE);
 592             fDataHostAddressText.setEnabled(false);
 593             fDataHostAddressText.setToolTipText(Messages.TraceControl_CreateSessionDataAddressTooltip);
 594             data = new GridData(GridData.FILL_HORIZONTAL);
 595             data.horizontalSpan = 4;
 596             fDataHostAddressText.setLayoutData(data);
 597             fDataHostAddressText.addModifyListener(fUpdateEnablementModifyListener);
 598
 599             fDataPortText = new Text(fStreamingComposite, SWT.NONE);
 600             fDataPortText.setEnabled(true);
 601             fDataPortText.setToolTipText(Messages.TraceControl_CreateSessionDataPortTooltip);
 602             data = new GridData(GridData.FILL_HORIZONTAL);
 603             data.horizontalSpan = 1;
 604             fDataPortText.setLayoutData(data);
 605             fDataPortText.addModifyListener(fUpdateEnablementModifyListener);
 606
 607             fCopyProtocolSelectionListener = new ControlProtocolSelectionListener();
 608             fControlProtocolSelectionListener = new ProtocolComboSelectionListener(fControlProtocolCombo, fControlPortText);
 609             fDataProtocolSelectionListener = new ProtocolComboSelectionListener(fDataProtocolCombo, fDataPortText);
 610
 611             fControlProtocolCombo.addSelectionListener(fCopyProtocolSelectionListener);
 612
 613             fControlUrlKeyListener = new CopyModifyListener(fControlHostAddressText, fDataHostAddressText);
 614             fControlHostAddressText.addModifyListener(fControlUrlKeyListener);
 615
 616             fControlProtocolCombo.select(DEFAULT_URL_INDEX);
 617             fDataProtocolCombo.select(DEFAULT_URL_INDEX);
 618
 619             fLinkDataWithControlButton.addSelectionListener(new SelectionAdapter() {
 620                 @Override
 621                 public void widgetSelected(SelectionEvent e) {
 622                     if (fLinkDataWithControlButton.getSelection()) {
 623                         // Set enablement control data channel inputs
 624                         fDataProtocolCombo.setEnabled(false);
 625                         fDataHostAddressText.setEnabled(false);
 626                         fControlPortText.setEnabled(true);
 627                         fDataPortText.setEnabled(true);
 628
 629                         // Update listeners
 630                         fControlProtocolCombo.removeSelectionListener(fControlProtocolSelectionListener);
 631                         fDataProtocolCombo.removeSelectionListener(fDataProtocolSelectionListener);
 632                         fControlProtocolCombo.addSelectionListener(fCopyProtocolSelectionListener);
 633                         fControlHostAddressText.addModifyListener(fControlUrlKeyListener);
 634
 635                         updateProtocolComboItems();
 636
 637                         fDataHostAddressText.setText(fControlHostAddressText.getText());
 638
 639                         // Update tool tips
 640                         fControlProtocolCombo.setToolTipText(Messages.TraceControl_CreateSessionCommonProtocolTooltip);
 641                     } else {
 642                         // Enable data channel inputs
 643                         fDataProtocolCombo.setEnabled(true);
 644                         fDataHostAddressText.setEnabled(true);
 645
 646                         // Update listeners
 647                         fControlProtocolCombo.removeSelectionListener(fCopyProtocolSelectionListener);
 648                         fControlProtocolCombo.addSelectionListener(fControlProtocolSelectionListener);
 649                         fDataProtocolCombo.addSelectionListener(fDataProtocolSelectionListener);
 650                         fControlHostAddressText.removeModifyListener(fControlUrlKeyListener);
 651
 652                         updateProtocolComboItems();
 653
 654                         // Update tool tips
 655                         fDataProtocolCombo.setToolTipText(Messages.TraceControl_CreateSessionProtocolTooltip);
 656                         fControlProtocolCombo.setToolTipText(Messages.TraceControl_CreateSessionProtocolTooltip);
 657
 658                         // Update control/data port enablement and input
 659                         if (fControlProtocolCombo.getItem(fControlProtocolCombo.getSelectionIndex()).equals(StreamingProtocol.net.name()) ||
 660                                 fControlProtocolCombo.getItem(fControlProtocolCombo.getSelectionIndex()).equals(StreamingProtocol.net6.name())) {
 661                             fControlPortText.setText(""); //$NON-NLS-1$
 662                             fControlPortText.setEnabled(false);
 663                         } else {
 664                             fControlPortText.setEnabled(true);
 665                         }
 666
 667                         if (fDataProtocolCombo.getItem(fDataProtocolCombo.getSelectionIndex()).equals(StreamingProtocol.net.name()) ||
 668                                 fDataProtocolCombo.getItem(fDataProtocolCombo.getSelectionIndex()).equals(StreamingProtocol.net6.name())) {
 669                             fDataPortText.setText(""); //$NON-NLS-1$
 670                             fDataPortText.setEnabled(false);
 671                         } else {
 672                             fDataPortText.setEnabled(true);
 673                         }
 674                     }
 675                 }
 676             });
 677         }
 678     }
 679
 680     private void createAdvancedLiveGroup() {
 681         if (fLiveGroup == null && fIsAdvancedEnabled) {
 682             GridLayout layout = new GridLayout(7, true);
 683             fLiveGroup = new Group(fAdvancedGroup, SWT.NONE);
 684             fLiveGroup.setLayout(layout);
 685             GridData layoutData = new GridData(GridData.FILL_BOTH);
 686             fLiveGroup.setLayoutData(layoutData);
 687
 688             Label liveDelayLabel = new Label(fLiveGroup, SWT.RIGHT);
 689             layoutData = new GridData(GridData.FILL_HORIZONTAL);
 690             liveDelayLabel.setText(Messages.TraceControl_CreateSessionLiveDelayLabel);
 691             liveDelayLabel.setLayoutData(layoutData);
 692             fLiveDelayText = new Text(fLiveGroup, SWT.NONE);
 693             fLiveDelayText.setText(DEFAULT_TEXT);
 694             fLiveDelayText.setForeground(getShell().getDisplay().getSystemColor(SWT.COLOR_GRAY));
 695             fLiveDelayText.setToolTipText(Messages.TraceControl_CreateSessionLiveDelayTooltip);
 696             fLiveDelayText.addVerifyListener(new VerifyListener() {
 697                 @Override
 698                 public void verifyText(VerifyEvent e) {
 699                     // only numbers and default are allowed.
 700                     e.doit = e.text.matches("[0-9]*") || e.text.matches(DEFAULT_TEXT); //$NON-NLS-1$
 701                     updateEnablement();
 702                 }
 703             });
 704             fLiveDelayText.addModifyListener(new ModifyListener() {
 705                 @Override
 706                 public void modifyText(ModifyEvent event) {
 707                     updateEnablement();
 708                 }
 709             });
 710
 711             fLiveDelayText.addFocusListener(new FocusListener() {
 712
 713                 @Override
 714                 public void focusLost(FocusEvent e) {
 715                     Text focusLostWidget = (Text) e.widget;
 716                     if (focusLostWidget.getText().isEmpty()) {
 717                         focusLostWidget.setText(DEFAULT_TEXT);
 718                         focusLostWidget.setForeground(getShell().getDisplay().getSystemColor(SWT.COLOR_GRAY));
 719                     }
 720                 }
 721
 722                 @Override
 723                 public void focusGained(FocusEvent e) {
 724                     Text focusGainedWidget = (Text) e.widget;
 725                     if (focusGainedWidget.getText().equals(DEFAULT_TEXT)) {
 726                         focusGainedWidget.setText(""); //$NON-NLS-1$
 727                         focusGainedWidget.setForeground(getShell().getDisplay().getSystemColor(SWT.COLOR_BLACK));
 728                     }
 729                 }
 730             });
 731
 732             layoutData = new GridData(GridData.FILL_HORIZONTAL);
 733             layoutData.grabExcessHorizontalSpace = true;
 734             layoutData.horizontalSpan = 6;
 735             fLiveDelayText.setLayoutData(layoutData);
 736             getShell().pack();
 737         }
 738     }
 739
 740     private void disposeLiveGroup() {
 741         if (fLiveGroup != null) {
 742             fLiveGroup.dispose();
 743             fLiveGroup = null;
 744             getShell().pack();
 745         }
 746     }
 747
 748     private void disposeConfigureStreamingComposite() {
 749         if (fStreamingComposite != null) {
 750             fStreamingComposite.dispose();
 751             fStreamingComposite = null;
 752         }
 753     }
 754
 755     @Override
 756     protected void createButtonsForButtonBar(Composite parent) {
 757         createButton(parent, IDialogConstants.CANCEL_ID, "&Cancel", true); //$NON-NLS-1$
 758         createButton(parent, IDialogConstants.OK_ID, "&Ok", true); //$NON-NLS-1$
 759     }
 760
 761     private void updateEnablement() {
 762         validate();
 763         getButton(IDialogConstants.OK_ID).setEnabled(getErrorMessage() == null);
 764     }
 765
 766     private void validate() {
 767         // Validate input data
 768         fSessionName = fSessionNameText.getText();
 769         fSessionPath = fSessionPathText.getText();
 770         setErrorMessage(null);
 771
 772         if (fParent.isLiveSupported() && fLiveButton != null) {
 773             fIsLive = fLiveButton.getSelection();
 774             fLiveDelay = LTTngControlServiceConstants.UNUSED_VALUE;
 775         }
 776
 777         if (!"".equals(fSessionPath)) { //$NON-NLS-1$
 778             // validate sessionPath
 779             if (!fIsAdvancedEnabled && !fIsLive) {
 780                 TargetNodeComponent node = (TargetNodeComponent)fParent.getParent();
 781                 IRemoteSystemProxy proxy = node.getRemoteSystemProxy();
 782                 IFileServiceSubSystem fsss = proxy.getFileServiceSubSystem();
 783                 if (fsss != null) {
 784                     try {
 785                         IRemoteFile remoteFolder = fsss.getRemoteFileObject(fSessionPath, new NullProgressMonitor());
 786
 787                         if (remoteFolder == null) {
 788                             setErrorMessage(Messages.TraceControl_InvalidSessionPathError + " (" + fSessionPath + ") \n"); //$NON-NLS-1$ //$NON-NLS-2$
 789                             return;
 790                         }
 791
 792                         if (remoteFolder.exists()) {
 793                             setErrorMessage(Messages.TraceControl_SessionPathAlreadyExistsError + " (" + fSessionPath + ") \n"); //$NON-NLS-1$ //$NON-NLS-2$
 794                             return;
 795                         }
 796                     } catch (SystemMessageException e) {
 797                         setErrorMessage(Messages.TraceControl_FileSubSystemError + "\n" + e); //$NON-NLS-1$
 798                         return;
 799                     }
 800                 }
 801             }
 802             fIsDefaultPath = false;
 803         }
 804
 805         if (fParent.isSnapshotSupported()) {
 806             fIsSnapshot = fSnapshotButton.getSelection();
 807         }
 808
 809         fNetworkUrl = null;
 810         fControlUrl = null;
 811         fDataUrl = null;
 812
 813         if (fIsAdvancedEnabled && fStreamingComposite != null) {
 814             // Validate input data
 815
 816             if (fIsLive && fLiveGroup != null) {
 817                 String liveDelayText = fLiveDelayText.getText();
 818                 try {
 819                     fLiveDelay = liveDelayText.equals(DEFAULT_TEXT) ? LTTngControlServiceConstants.UNUSED_VALUE : Integer.valueOf(liveDelayText);
 820                 } catch (NumberFormatException e) {
 821                     setErrorMessage(Messages.TraceControl_InvalidLiveDelayError);
 822                     return;
 823                 }
 824             }
 825
 826             fTracePath = fTracePathText.getText();
 827
 828             if (fControlProtocolCombo.getSelectionIndex() < 0) {
 829                 setErrorMessage("Control Protocol Text is empty\n");  //$NON-NLS-1$
 830                 return;
 831             }
 832
 833             if ("".equals(fControlHostAddressText.getText())) { //$NON-NLS-1$
 834                 setErrorMessage("Control Address Text is empty\n");  //$NON-NLS-1$
 835                 return;
 836             }
 837
 838             if (!fLinkDataWithControlButton.getSelection()) {
 839                 if (fDataProtocolCombo.getSelectionIndex() < 0) {
 840                     setErrorMessage("Data Protocol Text is empty\n");  //$NON-NLS-1$
 841                     return;
 842                 }
 843
 844                 if ("".equals(fDataHostAddressText.getText())) { //$NON-NLS-1$
 845                     setErrorMessage("Data Address Text is empty\n");  //$NON-NLS-1$
 846                     return;
 847                 }
 848
 849                 fControlUrl = getUrlString(fControlProtocolCombo.getItem(fControlProtocolCombo.getSelectionIndex()),
 850                         fControlHostAddressText.getText(),
 851                         fControlPortText.getText(),
 852                         null,
 853                         fTracePath);
 854
 855                 fDataUrl = getUrlString(fDataProtocolCombo.getItem(fDataProtocolCombo.getSelectionIndex()),
 856                         fDataHostAddressText.getText(),
 857                         null,
 858                         fDataPortText.getText(),
 859                         fTracePath);
 860             } else {
 861                 fNetworkUrl = getUrlString(fControlProtocolCombo.getItem(fControlProtocolCombo.getSelectionIndex()),
 862                         fControlHostAddressText.getText(),
 863                         fControlPortText.getText(),
 864                         fDataPortText.getText(),
 865                         fTracePath);
 866             }
 867         }
 868
 869         if (fIsLive && fNetworkUrl == null && fControlUrl == null && fDataUrl == null) {
 870             fNetworkUrl = SessionInfo.DEFAULT_LIVE_NETWORK_URK;
 871         }
 872
 873         // Check for invalid names
 874         if (!"".equals(fSessionName) && !fSessionName.matches("^[a-zA-Z0-9\\-\\_]{1,}$")) { //$NON-NLS-1$ //$NON-NLS-2$
 875             setErrorMessage(Messages.TraceControl_InvalidSessionNameError + " (" + fSessionName + ") \n");  //$NON-NLS-1$ //$NON-NLS-2$
 876             return;
 877         }
 878
 879         // Check if node with name already exists in parent
 880         if(fParent.containsChild(fSessionName)) {
 881             setErrorMessage(Messages.TraceControl_SessionAlreadyExistsError + " (" + fSessionName + ")");  //$NON-NLS-1$ //$NON-NLS-2$
 882             return;
 883         }
 884     }
 885
 886     private static String getUrlString(String proto, String host, String ctrlPort, String dataPort, String sessionPath) {
 887         //proto://[HOST|IP][:PORT1[:PORT2]][/TRACE_PATH]
 888         StringBuilder stringBuilder = new StringBuilder();
 889         stringBuilder.append(proto);
 890         stringBuilder.append("://"); //$NON-NLS-1$
 891         stringBuilder.append(host);
 892
 893         if ((ctrlPort != null) && (!"".equals(ctrlPort))) { //$NON-NLS-1$
 894             stringBuilder.append(":"); //$NON-NLS-1$
 895             stringBuilder.append(ctrlPort);
 896         }
 897
 898         if ((dataPort != null) && (!"".equals(dataPort))) { //$NON-NLS-1$
 899             stringBuilder.append(":"); //$NON-NLS-1$
 900             stringBuilder.append(dataPort);
 901         }
 902
 903         if ((sessionPath != null) && (!"".equals(sessionPath))) { //$NON-NLS-1$
 904             stringBuilder.append("/"); //$NON-NLS-1$
 905             stringBuilder.append(sessionPath);
 906         }
 907         return stringBuilder.toString();
 908     }
 909
 910     private static class CopyModifyListener implements ModifyListener {
 911         private Text fSource;
 912         private Text fDestination;
 913
 914         public CopyModifyListener(Text source, Text destination) {
 915             fSource = source;
 916             fDestination = destination;
 917         }
 918
 919         @Override
 920         public void modifyText(ModifyEvent e) {
 921             fDestination.setText(fSource.getText());
 922         }
 923     }
 924
 925     private class ControlProtocolSelectionListener extends SelectionAdapter {
 926
 927         @Override
 928         public void widgetSelected(SelectionEvent e) {
 929             fDataProtocolCombo.select(fControlProtocolCombo.getSelectionIndex());
 930             if (fControlProtocolCombo.getItem(fControlProtocolCombo.getSelectionIndex()).equals(StreamingProtocol.file.name())) {
 931                 fControlPortText.setText(""); //$NON-NLS-1$
 932                 fDataPortText.setText(""); //$NON-NLS-1$
 933                 fControlPortText.setEnabled(false);
 934                 fDataPortText.setEnabled(false);
 935             } else {
 936                 fControlPortText.setEnabled(true);
 937                 fDataPortText.setEnabled(true);
 938             }
 939         }
 940     }
 941
 942     private class ProtocolComboSelectionListener extends SelectionAdapter {
 943
 944         private CCombo fCombo;
 945         private Text fPortText;
 946
 947         public ProtocolComboSelectionListener(CCombo combo, Text portText) {
 948             fCombo = combo;
 949             fPortText = portText;
 950         }
 951
 952         @Override
 953         public void widgetSelected(SelectionEvent e) {
 954             if (fCombo.getItem(fCombo.getSelectionIndex()).equals(StreamingProtocol.net.name()) ||
 955                     fCombo.getItem(fCombo.getSelectionIndex()).equals(StreamingProtocol.net6.name())) {
 956                 fPortText.setText(""); //$NON-NLS-1$
 957                 fPortText.setEnabled(false);
 958             } else {
 959                 fPortText.setEnabled(true);
 960             }
 961         }
 962     }
 963
 964     @Override
 965     public ISessionInfo getParameters() {
 966         ISessionInfo sessionInfo = new SessionInfo(fSessionName);
 967
 968         boolean isStreaming = (fIsAdvancedEnabled && fStreamingComposite != null) || fIsLive;
 969         if (isStreaming) {
 970             sessionInfo.setNetworkUrl(fNetworkUrl);
 971             sessionInfo.setControlUrl(fControlUrl);
 972             sessionInfo.setDataUrl(fDataUrl);
 973             sessionInfo.setStreamedTrace(true);
 974         } else if (!fIsDefaultPath) {
 975             sessionInfo.setSessionPath(fSessionPath);
 976         }
 977
 978         sessionInfo.setLive(fIsLive);
 979         sessionInfo.setLiveDelay(fLiveDelay);
 980         sessionInfo.setSnapshot(fIsSnapshot);
 981
 982         return sessionInfo;
 983     }
 984
 985     private final class UpdateEnablementModifyListener implements ModifyListener {
 986         @Override
 987         public void modifyText(ModifyEvent e) {
 988             updateEnablement();
 989         }
 990     }
 991 }