/** Redirect a VMs output and error streams to System.out and System.err */
protected void redirectStreams(VirtualMachine vm) {
MessageSiphon ms = new MessageSiphon(process.getErrorStream(), this);
errThread = ms.getThread();
outThread = new StreamRedirectThread("VM output reader", process.getInputStream(), System.out);
errThread.start();
outThread.start();
}
public Gif(PApplet parent, String filename) {
// this creates a fake image so that the first time this
// attempts to draw, something happens that's not an exception
super(1, 1, ARGB);
this.parent = parent;
// create the GifDecoder
GifDecoder gifDecoder = createDecoder(parent, filename);
// fill up the PImage and the delay arrays
frames = extractFrames(gifDecoder);
delays = extractDelays(gifDecoder);
// get the GIFs repeat count
repeatSetting = gifDecoder.getLoopCount();
// re-init our PImage with the new size
super.init(frames[0].width, frames[0].height, ARGB);
jump(0);
parent.registerMethod("dispose", this);
// and now, make the magic happen
runner = new Thread(this);
runner.start();
}
public void start() {
if (streamReader != null && streamReader.isAlive()) {
System.out.println("Camera already started");
return;
}
streamReader = new Thread(this, "HTTP Stream reader");
keepAlive = true;
streamReader.start();
}
public void setup() {
size(800, 600);
background(255);
color(255);
size(800, 600);
frameRate(24);
smooth();
pollData.start();
}
/**
* @param parent typically use "this"
* @param port port used to transfer data
* @param host when multiple NICs are in use, the ip (or name) to bind from
*/
public MyServer(PApplet parent, int port, String host) {
this.parent = parent;
this.port = port;
try {
if (host == null) {
server = new ServerSocket(this.port);
} else {
server = new ServerSocket(this.port, 10, InetAddress.getByName(host));
}
// clients = new Vector();
clients = new Client[10];
thread = new Thread(this);
thread.start();
parent.registerMethod("dispose", this);
// reflection to check whether host applet has a call for
// public void serverEvent(MyServer s, Client c);
// which is called when a new guy connects
try {
serverEventMethod =
parent.getClass().getMethod("serverEvent", new Class[] {MyServer.class, Client.class});
} catch (Exception e) {
// no such method, or an error.. which is fine, just ignore
serverEventMethod = null;
}
try {
clientValidationMethod =
parent
.getClass()
.getMethod("clientValidation", new Class[] {MyServer.class, Client.class});
} catch (Exception e) {
// no such method, or an error.. which is fine, just ignore
clientValidationMethod = null;
}
} catch (IOException e) {
// e.printStackTrace();
thread = null;
throw new RuntimeException(e);
// errorMessage("<init>", e);
}
}
private void startManualUpdate() {
dOut = new DataOut(pApplet, pachubePOSTurl, pachubeAuthenticationKey);
running = true;
try {
postThread = new Thread(this);
postThread.start();
System.out.println(
"Pachuino POST enabled, to: "
+ pachubePOSTurl
+ ", updating every "
+ POST_RATE
+ " milliseconds");
System.out.println("Using API key: " + pachubeAuthenticationKey);
} catch (Exception e) {
System.out.println("There was a problem starting a POST thread.");
}
}
/**
* Generate the trace. Enable events, start thread to display events, start threads to forward
* remote error and output streams, resume the remote VM, wait for the final event, and shutdown.
*/
protected void generateTrace() {
// vm.setDebugTraceMode(debugTraceMode);
// vm.setDebugTraceMode(VirtualMachine.TRACE_ALL);
// vm.setDebugTraceMode(VirtualMachine.TRACE_NONE); // formerly, seems to have no effect
// For internal debugging
PrintWriter writer = null;
// Calling this seems to set something internally to make the
// Eclipse JDI wake up. Without it, an ObjectCollectedException
// is thrown on excReq.enable(). No idea why this works,
// but at least exception handling has returned. (Suspect that it may
// block until all or at least some threads are available, meaning
// that the app has launched and we have legit objects to talk to).
vm.allThreads();
// The bug may not have been noticed because the test suite waits for
// a thread to be available, and queries it by calling allThreads().
// See org.eclipse.debug.jdi.tests.AbstractJDITest for the example.
EventRequestManager mgr = vm.eventRequestManager();
// get only the uncaught exceptions
ExceptionRequest excReq = mgr.createExceptionRequest(null, false, true);
// System.out.println(excReq);
// this version reports all exceptions, caught or uncaught
// ExceptionRequest excReq = mgr.createExceptionRequest(null, true, true);
// suspend so we can step
excReq.setSuspendPolicy(EventRequest.SUSPEND_ALL);
// excReq.setSuspendPolicy(EventRequest.SUSPEND_EVENT_THREAD);
// excReq.setSuspendPolicy(EventRequest.SUSPEND_NONE); // another option?
excReq.enable();
Thread eventThread =
new Thread() {
public void run() {
try {
boolean connected = true;
while (connected) {
EventQueue eventQueue = vm.eventQueue();
// remove() blocks until event(s) available
EventSet eventSet = eventQueue.remove();
// listener.vmEvent(eventSet);
for (Event event : eventSet) {
// System.out.println("EventThread.handleEvent -> " + event);
if (event instanceof VMStartEvent) {
vm.resume();
} else if (event instanceof ExceptionEvent) {
// for (ThreadReference thread : vm.allThreads()) {
// System.out.println("thread : " + thread);
//// thread.suspend();
// }
exceptionEvent((ExceptionEvent) event);
} else if (event instanceof VMDisconnectEvent) {
connected = false;
}
}
}
// } catch (VMDisconnectedException e) {
// Logger.getLogger(VMEventReader.class.getName()).log(Level.INFO,
// "VMEventReader quit on VM disconnect");
} catch (Exception e) {
System.err.println("crashed in event thread due to " + e.getMessage());
// Logger.getLogger(VMEventReader.class.getName()).log(Level.SEVERE,
// "VMEventReader quit", e);
e.printStackTrace();
}
}
};
eventThread.start();
errThread = new MessageSiphon(process.getErrorStream(), this).getThread();
outThread = new StreamRedirectThread("JVM stdout Reader", process.getInputStream(), System.out);
errThread.start();
outThread.start();
// Shutdown begins when event thread terminates
try {
if (eventThread != null) eventThread.join(); // is this the problem?
// System.out.println("in here");
// Bug #852 tracked to this next line in the code.
// http://dev.processing.org/bugs/show_bug.cgi?id=852
errThread.join(); // Make sure output is forwarded
// System.out.println("and then");
outThread.join(); // before we exit
// System.out.println("finished join for errThread and outThread");
// At this point, disable the run button.
// This happens when the sketch is exited by hitting ESC,
// or the user manually closes the sketch window.
// TODO this should be handled better, should it not?
if (editor != null) {
editor.deactivateRun();
}
} catch (InterruptedException exc) {
// we don't interrupt
}
// System.out.println("and leaving");
if (writer != null) writer.close();
}
// Overriding "start()"
public void start() {
running = true;
super.start();
}