/** 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 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 stop() {
if (streamReader == null || !streamReader.isAlive()) {
System.out.println("Camera already stopped");
return;
}
keepAlive = false;
try {
streamReader.join();
} catch (InterruptedException e) {
System.err.println(e.getMessage());
}
}
/**
* Gives the same basic functionality of File.exists but can be used to look for removable media
* without showing a system dialog if the media is not present. Workaround pulled from the <A
* HREF="http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=4089199"> bug report</A> on
* bugs.sun.com. This bug was fixed in Java 6, and we can remove the workaround when we start
* requiring Java 6.
*/
protected static boolean fileExists(File file) {
try {
Process process =
Runtime.getRuntime().exec(new String[] {"cmd.exe", "/c", "dir", file.getAbsolutePath()});
// We need to consume all available output or the process will block.
boolean haveExitCode = false;
int exitCode = -1;
InputStream out = process.getInputStream();
InputStream err = process.getErrorStream();
while (!haveExitCode) {
while (out.read() >= 0) {}
while (err.read() >= 0) {}
try {
exitCode = process.exitValue();
haveExitCode = true;
} catch (IllegalThreadStateException e) {
// Not yet complete.
Thread.sleep(100);
}
}
// int exitCode = process.waitFor();
return exitCode == 0;
} catch (IOException e) {
System.out.println("Unable to check for file: " + file + " : " + e);
return false;
} catch (InterruptedException e) {
System.out.println("Unable to check for file. Interrupted: " + file + " : " + e);
return false;
}
}
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 sleep() {
try {
//// release some cpu cycles for the background network thread
Thread.sleep(100);
} catch (Exception e) {
}
}
public boolean delay(int time) {
try {
Thread.sleep(time);
} catch (Exception e) {
return false;
}
return true;
}
public void run() {
while (Thread.currentThread() == thread) {
try {
Socket socket = server.accept();
Client client = new Client(parent, socket);
if (clientValidationMethod != null) {
try {
clientValidationMethod.invoke(parent, new Object[] {this, client});
} catch (Exception e) {
// System.err.println("Disabling serverEvent() for port " + port);
e.printStackTrace();
}
}
if (client.active()) {
synchronized (clients) {
addClient(client);
if (serverEventMethod != null) {
try {
serverEventMethod.invoke(parent, new Object[] {this, client});
} catch (Exception e) {
// System.err.println("Disabling serverEvent() for port " + port);
e.printStackTrace();
}
}
}
}
} catch (SocketException e) {
// thrown when server.close() is called and server is waiting on accept
System.err.println("Server SocketException: " + e.getMessage());
thread = null;
} catch (IOException e) {
// errorMessage("run", e);
e.printStackTrace();
thread = null;
}
try {
Thread.sleep(8);
} catch (InterruptedException ex) {
}
}
}
/*
* the thread's run method
*/
public void run() {
while (Thread.currentThread() == runner) {
try {
Thread.sleep(5);
} catch (InterruptedException e) {
}
if (play) {
// if playing, check if we need to go to next frame
if (parent.millis() - lastJumpTime >= delays[currentFrame]) {
// we need to jump
if (currentFrame == frames.length - 1) {
// its the last frame
if (loop) {
jump(0); // loop is on, so rewind
} else if (!ignoreRepeatSetting) {
// we're not looping, but we need to respect the
// GIF's repeat setting
repeatCount++;
if (repeatSetting == 0) {
// we need to repeat forever
jump(0);
} else if (repeatCount == repeatSetting) {
// stop repeating, we've reached the repeat
// setting
stop();
}
} else {
// no loop & ignoring the repeat setting, so just
// stop.
stop();
}
} else {
// go to the next frame
jump(currentFrame + 1);
}
}
}
}
}
public void setup() {
size(800, 600);
background(255);
color(255);
size(800, 600);
frameRate(24);
smooth();
pollData.start();
}
@Override
public void run() {
while (true) {
// TODO Auto-generated method stub
// print("start");
if (serial != null) buffer.add(device.parse(serial.input));
try {
Thread.sleep(1);
} catch (InterruptedException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
}
/**
* @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();
}
public boolean launchVirtualMachine(boolean presenting) {
String[] vmParams = getMachineParams();
String[] sketchParams = getSketchParams(presenting);
int port = 8000 + (int) (Math.random() * 1000);
String portStr = String.valueOf(port);
// Older (Java 1.5 and earlier) version, go figure
// String jdwpArg = "-Xrunjdwp:transport=dt_socket,address=" + portStr +
// ",server=y,suspend=y";
// String debugArg = "-Xdebug";
// Newer (Java 1.5+) version that uses JVMTI
String jdwpArg =
"-agentlib:jdwp=transport=dt_socket,address=" + portStr + ",server=y,suspend=y";
// Everyone works the same under Java 7 (also on OS X)
String[] commandArgs = new String[] {Base.getJavaPath(), jdwpArg};
/*
String[] commandArgs = null;
if (!Base.isMacOS()) {
commandArgs = new String[] {
Base.getJavaPath(),
jdwpArg
};
} else {
// Decided to just set this to 1.6 only, because otherwise it's gonna
// be a shitshow if folks are getting Apple's 1.6 with 32-bit and
// Oracle's 1.7 when run in 64-bit mode. ("Why does my sketch suck in
// 64-bit? Why is retina broken?)
// The --request flag will prompt to install Apple's 1.6 JVM if none is
// available. We're specifying 1.6 so that we can get support for both
// 32- and 64-bit, because Oracle won't be releasing Java 1.7 in 32-bit.
// Helpfully, the --request flag is not present on Mac OS X 10.6
// (luckily it is also not needed, because 1.6 is installed by default)
// but it requires an additional workaround to not use that flag,
// otherwise will see an error about an unsupported option. The flag is
// available with 10.7 and 10.8, the only other supported versions of
// OS X at this point, because we require 10.6.8 and higher. That also
// means we don't need to check for any other OS versions, the user is
// a douchebag and modifies Info.plist to get around the restriction.
if (false) {
if (System.getProperty("os.version").startsWith("10.6")) {
commandArgs = new String[] {
"/usr/libexec/java_home",
"--version", "1.6",
"--exec", "java",
"-d" + Base.getNativeBits(),
jdwpArg
};
} else { // for 10.7, 10.8, etc
commandArgs = new String[] {
"/usr/libexec/java_home",
"--request", // install on-demand
"--version", "1.6",
"--exec", "java",
"-d" + Base.getNativeBits(),
// debugArg,
jdwpArg
};
}
} else {
// testing jdk-7u40
commandArgs = new String[] {
//"/Library/Java/JavaVirtualMachines/jdk1.7.0_40.jdk/Contents/Home/bin/java",
Base.getJavaPath(),
jdwpArg
};
}
}
*/
commandArgs = PApplet.concat(commandArgs, vmParams);
commandArgs = PApplet.concat(commandArgs, sketchParams);
// PApplet.println(commandArgs);
// commandArg.setValue(commandArgs);
launchJava(commandArgs);
AttachingConnector connector = (AttachingConnector) findConnector("com.sun.jdi.SocketAttach");
// PApplet.println(connector); // gets the defaults
Map arguments = connector.defaultArguments();
// Connector.Argument addressArg =
// (Connector.Argument)arguments.get("address");
// addressArg.setValue(addr);
Connector.Argument portArg = (Connector.Argument) arguments.get("port");
portArg.setValue(portStr);
// Connector.Argument timeoutArg =
// (Connector.Argument)arguments.get("timeout");
// timeoutArg.setValue("10000");
// PApplet.println(connector); // prints the current
// com.sun.tools.jdi.AbstractLauncher al;
// com.sun.tools.jdi.RawCommandLineLauncher rcll;
// System.out.println(PApplet.javaVersion);
// http://java.sun.com/j2se/1.5.0/docs/guide/jpda/conninv.html#sunlaunch
try {
// boolean available = false;
// while (!available) {
while (true) {
try {
vm = connector.attach(arguments);
// vm = connector.attach(arguments);
if (vm != null) {
// generateTrace();
// available = true;
return true;
}
} catch (IOException e) {
// System.out.println("waiting");
// e.printStackTrace();
try {
Thread.sleep(100);
} catch (InterruptedException e1) {
e1.printStackTrace();
}
}
}
// } catch (IOException exc) {
// throw new Error("Unable to launch target VM: " + exc);
} catch (IllegalConnectorArgumentsException exc) {
throw new Error("Internal error: " + exc);
}
}
// Overriding "start()"
public void start() {
running = true;
super.start();
}
public boolean launchVirtualMachine(boolean presenting) {
String[] vmParams = getMachineParams();
String[] sketchParams = getSketchParams(presenting);
// PApplet.printArray(sketchParams);
int port = 8000 + (int) (Math.random() * 1000);
String portStr = String.valueOf(port);
// Older (Java 1.5 and earlier) version, go figure
// String jdwpArg = "-Xrunjdwp:transport=dt_socket,address=" + portStr +
// ",server=y,suspend=y";
// String debugArg = "-Xdebug";
// Newer (Java 1.5+) version that uses JVMTI
String jdwpArg =
"-agentlib:jdwp=transport=dt_socket,address=" + portStr + ",server=y,suspend=y";
// Everyone works the same under Java 7 (also on OS X)
String[] commandArgs = new String[] {Base.getJavaPath(), jdwpArg};
commandArgs = PApplet.concat(commandArgs, vmParams);
commandArgs = PApplet.concat(commandArgs, sketchParams);
// PApplet.println(commandArgs);
// commandArg.setValue(commandArgs);
launchJava(commandArgs);
AttachingConnector connector = (AttachingConnector) findConnector("com.sun.jdi.SocketAttach");
// PApplet.println(connector); // gets the defaults
Map<String, Argument> arguments = connector.defaultArguments();
// Connector.Argument addressArg =
// (Connector.Argument)arguments.get("address");
// addressArg.setValue(addr);
Connector.Argument portArg = arguments.get("port");
portArg.setValue(portStr);
// Connector.Argument timeoutArg =
// (Connector.Argument)arguments.get("timeout");
// timeoutArg.setValue("10000");
// PApplet.println(connector); // prints the current
// com.sun.tools.jdi.AbstractLauncher al;
// com.sun.tools.jdi.RawCommandLineLauncher rcll;
// System.out.println(PApplet.javaVersion);
// http://java.sun.com/j2se/1.5.0/docs/guide/jpda/conninv.html#sunlaunch
try {
// boolean available = false;
// while (!available) {
while (true) {
try {
vm = connector.attach(arguments);
// vm = connector.attach(arguments);
if (vm != null) {
// generateTrace();
// available = true;
return true;
}
} catch (IOException e) {
// System.out.println("waiting");
// e.printStackTrace();
try {
Thread.sleep(100);
} catch (InterruptedException e1) {
e1.printStackTrace(sketchErr);
}
}
}
// } catch (IOException exc) {
// throw new Error("Unable to launch target VM: " + exc);
} catch (IllegalConnectorArgumentsException exc) {
throw new Error("Internal error: " + exc);
}
}
public boolean isAlive() {
return streamReader.isAlive();
}
