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/*******************************************************************************
* Copyright (c) 2007, 2011 Wind River Systems, Inc. and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Wind River Systems - initial API and implementation
*******************************************************************************/
package org.eclipse.tm.internal.tcf.debug.ui.model;
import java.io.IOException;
import java.util.HashMap;
import java.util.LinkedList;
import java.util.Map;
import org.eclipse.swt.SWT;
import org.eclipse.swt.SWTException;
import org.eclipse.swt.widgets.Display;
import org.eclipse.tm.internal.tcf.debug.ui.Activator;
import org.eclipse.tm.internal.tcf.debug.ui.ImageCache;
import org.eclipse.tm.tcf.protocol.Protocol;
import org.eclipse.ui.IWorkbenchPage;
import org.eclipse.ui.IWorkbenchWindow;
import org.eclipse.ui.PlatformUI;
import org.eclipse.ui.console.ConsolePlugin;
import org.eclipse.ui.console.IConsole;
import org.eclipse.ui.console.IConsoleConstants;
import org.eclipse.ui.console.IConsoleManager;
import org.eclipse.ui.console.IConsoleView;
import org.eclipse.ui.console.IOConsole;
import org.eclipse.ui.console.IOConsoleInputStream;
import org.eclipse.ui.console.IOConsoleOutputStream;
class TCFConsole {
private final TCFModel model;
private final IOConsole console;
private final Display display;
private final LinkedList<Message> out_queue;
private static class Message {
int stream_id;
byte[] data;
}
private final Thread inp_thread = new Thread() {
public void run() {
try {
IOConsoleInputStream inp = console.getInputStream();
final byte[] buf = new byte[0x100];
for (;;) {
int len = inp.read(buf);
if (len < 0) break;
// TODO: Eclipse Console view has a bad habit of replacing CR with CR/LF
if (len == 2 && buf[0] == '\r' && buf[1] == '\n') len = 1;
final int n = len;
Protocol.invokeAndWait(new Runnable() {
public void run() {
try {
model.getLaunch().writeProcessInputStream(buf, 0, n);
}
catch (Exception x) {
model.onProcessStreamError(null, 0, x, 0);
}
}
});
}
}
catch (Throwable x) {
Activator.log("Cannot read console input", x);
}
}
};
private final Thread out_thread = new Thread() {
public void run() {
Map<Integer,IOConsoleOutputStream> out_streams =
new HashMap<Integer,IOConsoleOutputStream>();
try {
for (;;) {
Message m = null;
synchronized (out_queue) {
while (out_queue.size() == 0) out_queue.wait();
m = out_queue.removeFirst();
}
if (m.data == null) break;
IOConsoleOutputStream stream = out_streams.get(m.stream_id);
if (stream == null) {
final int id = m.stream_id;
final IOConsoleOutputStream s = stream = console.newOutputStream();
display.syncExec(new Runnable() {
public void run() {
try {
int color_id = SWT.COLOR_BLACK;
switch (id) {
case 1: color_id = SWT.COLOR_RED; break;
case 2: color_id = SWT.COLOR_BLUE; break;
case 3: color_id = SWT.COLOR_GREEN; break;
}
s.setColor(display.getSystemColor(color_id));
}
catch (Throwable x) {
Activator.log("Cannot open console view", x);
}
}
});
out_streams.put(m.stream_id, stream);
}
stream.write(m.data, 0, m.data.length);
}
}
catch (Throwable x) {
Activator.log("Cannot write console output", x);
}
for (IOConsoleOutputStream stream : out_streams.values()) {
try {
stream.close();
}
catch (IOException x) {
Activator.log("Cannot close console stream", x);
}
}
try {
console.getInputStream().close();
}
catch (IOException x) {
Activator.log("Cannot close console stream", x);
}
try {
display.syncExec(new Runnable() {
public void run() {
IConsoleManager manager = ConsolePlugin.getDefault().getConsoleManager();
manager.removeConsoles(new IOConsole[]{ console });
}
});
}
catch (SWTException x) {
if (x.code == SWT.ERROR_DEVICE_DISPOSED) return;
Activator.log("Cannot remove console", x);
}
}
};
TCFConsole(final TCFModel model, String process_id) {
this.model = model;
display = model.getDisplay();
out_queue = new LinkedList<Message>();
console = new IOConsole("TCF " + process_id, null,
ImageCache.getImageDescriptor(ImageCache.IMG_TCF), "UTF-8", true);
display.asyncExec(new Runnable() {
public void run() {
if (!PlatformUI.isWorkbenchRunning() || PlatformUI.getWorkbench().isStarting()) {
display.timerExec(200, this);
}
else if (!PlatformUI.getWorkbench().isClosing()) {
try {
IConsoleManager manager = ConsolePlugin.getDefault().getConsoleManager();
manager.addConsoles(new IConsole[]{ console });
IWorkbenchWindow w = PlatformUI.getWorkbench().getActiveWorkbenchWindow();
if (w == null) return;
IWorkbenchPage page = w.getActivePage();
if (page == null) return;
IConsoleView view = (IConsoleView)page.showView(IConsoleConstants.ID_CONSOLE_VIEW);
view.display(console);
}
catch (Throwable x) {
Activator.log("Cannot open console view", x);
}
}
}
});
inp_thread.setName("TCF Launch Console Input");
out_thread.setName("TCF Launch Console Output");
inp_thread.start();
out_thread.start();
}
void write(final int stream_id, byte[] data) {
if (data == null || data.length == 0) return;
synchronized (out_queue) {
Message m = new Message();
m.stream_id = stream_id;
m.data = data;
out_queue.add(m);
out_queue.notify();
}
}
void close() {
synchronized (out_queue) {
out_queue.add(new Message());
out_queue.notify();
}
}
}
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