Examples with Host gov.sandia.n2a.host.Host used on opensource projects

Example 11 with Host

use of gov.sandia.n2a.host.Host in project n2a by frothga.

the class SettingsHost method getPanel.

@Override
public Component getPanel() {
    if (scrollPane != null)
        return scrollPane;
    JPanel view = new JPanel();
    scrollPane = new JScrollPane(view);
    // About one line of text. Typically, one "click" of the wheel does 3 steps, so about 45px or 3 lines of text.
    scrollPane.getVerticalScrollBar().setUnitIncrement(15);
    for (Host h : Host.getHosts()) if (h instanceof Remote)
        model.addElement(h);
    list.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
    list.setToolTipText("Press Insert to create host. Press Delete to remove host.");
    InputMap inputMap = list.getInputMap();
    inputMap.put(KeyStroke.getKeyStroke("INSERT"), "add");
    inputMap.put(KeyStroke.getKeyStroke("ctrl shift EQUALS"), "add");
    inputMap.put(KeyStroke.getKeyStroke("DELETE"), "delete");
    inputMap.put(KeyStroke.getKeyStroke("BACK_SPACE"), "delete");
    ActionMap actionMap = list.getActionMap();
    actionMap.put("add", new AbstractAction() {

        public void actionPerformed(ActionEvent e) {
            // Create new record
            String hostname = Host.uniqueName();
            // Get default class. The user can change it later.
            Host h = Host.create(hostname, "");
            // Focus record in UI
            int index = list.getSelectedIndex();
            if (index < 0)
                index = model.getSize();
            model.add(index, h);
            // Assumption: this triggers a selection change event, which will in turn call displayRecord().
            list.setSelectedIndex(index);
            fieldName.requestFocusInWindow();
        }
    });
    actionMap.put("delete", new AbstractAction() {

        public void actionPerformed(ActionEvent e) {
            // Remove current record
            int index = list.getSelectedIndex();
            Host h = list.getSelectedValue();
            if (h == null)
                return;
            Host.remove(h, true);
            // Focus another record, or clear UI
            model.remove(index);
            index = Math.min(index, model.size() - 1);
            // triggers selection change event, resulting in call to displayRecord()
            if (index >= 0)
                list.setSelectedIndex(index);
        }
    });
    list.addListSelectionListener(new ListSelectionListener() {

        public void valueChanged(ListSelectionEvent e) {
            if (e.getValueIsAdjusting())
                return;
            displayRecord();
        }
    });
    fieldName = new MTextField(null, "", "", 20, true);
    fieldName.addChangeListener(new ChangeListener() {

        public void stateChanged(ChangeEvent e) {
            Host h = list.getSelectedValue();
            String newName = fieldName.getText();
            Host.rename(h, newName);
            list.repaint();
            if (editor instanceof NameChangeListener)
                ((NameChangeListener) editor).nameChanged(h.name);
        }
    });
    for (ExtensionPoint ext : PluginManager.getExtensionsForPoint(Factory.class)) {
        Factory f = (Factory) ext;
        if (f instanceof FactoryRemote)
            comboClass.addItem(f.className());
    }
    comboClass.addActionListener(new ActionListener() {

        public void actionPerformed(ActionEvent e) {
            String newClass = comboClass.getSelectedItem().toString();
            // Change the class. This requires destroying the current instance and constructing
            // a new one that is bound to the same record.
            int index = list.getSelectedIndex();
            Host h = list.getSelectedValue();
            if (h == null)
                return;
            String originalClass = h.getClassName();
            if (newClass.equals(originalClass))
                return;
            Host.remove(h, false);
            Host h2 = Host.create(h.name, newClass);
            h.transferJobsTo(h2);
            model.set(index, h2);
            displayRecord();
        }
    });
    editorHolder.setLayout(new BorderLayout());
    JPanel panelList = Lay.BL("C", list, "pref=[100,200]");
    panelList.setBorder(LineBorder.createBlackLineBorder());
    panelList = (JPanel) Lay.eb(Lay.BL("C", panelList), "5");
    Lay.BLtg(view, "N", Lay.BL("W", Lay.BxL("H", Lay.BL("N", panelList), Box.createHorizontalStrut(5), Lay.BL("N", Lay.BxL(Lay.FL(Lay.lb("Name"), fieldName), Lay.FL(Lay.lb("Class"), comboClass), editorHolder)))));
    scrollPane.setFocusCycleRoot(true);
    if (list.getModel().getSize() > 0)
        list.setSelectedIndex(0);
    return scrollPane;
}

Example 12 with Host

use of gov.sandia.n2a.host.Host in project n2a by frothga.

the class Main method studyHeadless.

/**
 *        Run a study from the command line.
 *        Unlike runHeadless(), this function uses all the usual job management machinery.
 */
public static void studyHeadless(MNode record) {
    String key = record.key();
    MNode doc = AppData.models.childOrEmpty(key);
    record.mergeUnder(doc);
    MPart collated = new MPart(record);
    if (!collated.containsKey("study"))
        return;
    // Start host monitor threads (see PanelRun constructor for non-headless procedure)
    Host.restartAssignmentThread();
    for (Host h : Host.getHosts()) h.restartMonitorThread();
    MNode studyNode = PanelEquations.createStudy(collated);
    // constructed in paused state
    Study study = new Study(studyNode);
    // start
    study.togglePause();
    study.waitForCompletion();
    // Output CSV files, if requested.
    if (record.getFlag("$metadata", "csv")) {
        Path studyDir = study.getDir();
        try (BufferedWriter parms = Files.newBufferedWriter(studyDir.resolve("study.csv"))) {
            SampleTableModel samples = new SampleTableModel();
            samples.update(study);
            int rows = samples.getRowCount();
            int cols = samples.getColumnCount();
            int lastCol = cols - 1;
            // Header for study.csv file
            for (// first column is job status, so skip it
            int c = 1; // first column is job status, so skip it
            c < cols; // first column is job status, so skip it
            c++) {
                parms.write(samples.getColumnName(c));
                if (c < lastCol)
                    parms.write(",");
            }
            parms.newLine();
            // Rows for study.csv file, along with converted output of each job.
            for (int r = 0; r < rows; r++) {
                for (int c = 1; c < cols; c++) {
                    parms.write(samples.getValueAt(r, c).toString());
                    if (c < lastCol)
                        parms.write(",");
                }
                parms.newLine();
                NodeJob jobNode = study.getJob(r);
                Path jobDir = Host.getJobDir(Host.getLocalResourceDir(), jobNode.getSource());
                try {
                    Table table = new Table(jobDir.resolve("out"), false);
                    table.dumpCSV(studyDir.resolve(r + ".csv"));
                } catch (IOException e) {
                }
            }
        } catch (IOException e) {
            e.printStackTrace();
        }
    }
    // See MainFrame window close listener
    // Save any modified data, particularly the study record.
    AppData.quit();
    // Close down any ssh sessions.
    Host.quit();
}

Example 13 with Host

use of gov.sandia.n2a.host.Host in project n2a by frothga.

the class Backend method getSimTimeFromOutput.

public static double getSimTimeFromOutput(MNode job, String outFileName, int timeColumn) {
    Path out;
    try {
        Host env = Host.get(job);
        Path resourceDir = env.getResourceDir();
        Path jobDir = Host.getJobDir(resourceDir, job);
        out = jobDir.resolve(outFileName);
    } catch (Exception e) {
        return 0;
    }
    // The divide by 2 at the end of the following line allows us to adapt down as well as up.
    int lineLength = job.getOrDefault(32, "lineLength") / 2;
    try (SeekableByteChannel channel = Files.newByteChannel(out, StandardOpenOption.READ)) {
        int columnIndex = 0;
        while (// limit to 1MiB
        lineLength <= 1024 * 1024) {
            long available = channel.size();
            // Don't exceed file size
            if (available < lineLength)
                break;
            channel.position(available - lineLength);
            // TODO: check if direct is OK here
            ByteBuffer buffer = ByteBuffer.allocate(lineLength);
            int received = channel.read(buffer);
            buffer.position(0);
            String column = "";
            boolean gotNL = false;
            boolean inSpace = false;
            for (long i = 0; i < received; i++) {
                // Technically, the file is in UTF-8, but this will only matter in column headings. We are looking for a float string, which will be in all lower ASCII.
                char c = (char) buffer.get();
                if (c == '\n' || c == '\r') {
                    gotNL = true;
                    continue;
                }
                if (gotNL) {
                    // Tabs and spaces should never be mixed in the output file.
                    boolean nextColumn = false;
                    if (c == '\t') {
                        // Tab always indicates next column.
                        nextColumn = true;
                    } else if (c == ' ') {
                        if (inSpace)
                            continue;
                        nextColumn = true;
                        inSpace = true;
                    } else {
                        inSpace = false;
                    }
                    if (nextColumn) {
                        if (columnIndex == timeColumn) {
                            try {
                                // Remember most recent value, to more quickly track situation in the output stream.
                                job.set(lineLength, "lineLength");
                                return Double.parseDouble(column);
                            } catch (NumberFormatException e) {
                                // This is probably a column header rather than a value.
                                // Skip to end of line and try again.
                                gotNL = false;
                                columnIndex = 0;
                            }
                        } else {
                            columnIndex++;
                        }
                    } else {
                        column = column + c;
                    }
                }
            }
            lineLength *= 2;
        }
    } catch (Exception e) {
    }
    return 0;
}