/**
* Starts a native process on the server
*
* @param command the command to start the process
* @param dir the dir in which the process starts
*/
static String startProcess(String command, String dir) throws IOException {
StringBuffer ret = new StringBuffer();
String[] comm = new String[3];
comm[0] = COMMAND_INTERPRETER[0];
comm[1] = COMMAND_INTERPRETER[1];
comm[2] = command;
long start = System.currentTimeMillis();
try {
// Start process
Process ls_proc = Runtime.getRuntime().exec(comm, null, new File(dir));
// Get input and error streams
BufferedInputStream ls_in = new BufferedInputStream(ls_proc.getInputStream());
BufferedInputStream ls_err = new BufferedInputStream(ls_proc.getErrorStream());
boolean end = false;
while (!end) {
int c = 0;
while ((ls_err.available() > 0) && (++c <= 1000)) {
ret.append(conv2Html(ls_err.read()));
}
c = 0;
while ((ls_in.available() > 0) && (++c <= 1000)) {
ret.append(conv2Html(ls_in.read()));
}
try {
ls_proc.exitValue();
// if the process has not finished, an exception is thrown
// else
while (ls_err.available() > 0) ret.append(conv2Html(ls_err.read()));
while (ls_in.available() > 0) ret.append(conv2Html(ls_in.read()));
end = true;
} catch (IllegalThreadStateException ex) {
// Process is running
}
// The process is not allowed to run longer than given time.
if (System.currentTimeMillis() - start > MAX_PROCESS_RUNNING_TIME) {
ls_proc.destroy();
end = true;
ret.append("!!!! Process has timed out, destroyed !!!!!");
}
try {
Thread.sleep(50);
} catch (InterruptedException ie) {
}
}
} catch (IOException e) {
ret.append("Error: " + e);
}
return ret.toString();
}
// function to do the join use case
public static void share() throws Exception {
HttpPost method = new HttpPost(url + "/share");
String ipAddress = null;
Enumeration<NetworkInterface> en = NetworkInterface.getNetworkInterfaces();
while (en.hasMoreElements()) {
NetworkInterface ni = (NetworkInterface) en.nextElement();
if (ni.getName().equals("eth0")) {
Enumeration<InetAddress> en2 = ni.getInetAddresses();
while (en2.hasMoreElements()) {
InetAddress ip = (InetAddress) en2.nextElement();
if (ip instanceof Inet4Address) {
ipAddress = ip.getHostAddress();
break;
}
}
break;
}
}
method.setEntity(new StringEntity(username + ';' + ipAddress, "UTF-8"));
try {
ResponseHandler<String> responseHandler = new BasicResponseHandler();
connIp = client.execute(method, responseHandler);
} catch (IOException e) {
System.err.println("Fatal transport error: " + e.getMessage());
e.printStackTrace();
}
// get present time
date = new Date();
long start = date.getTime();
// Execute the vishwa share process
Process p = Runtime.getRuntime().exec("java -jar vishwa/JVishwa.jar " + connIp);
String ch = "alive";
System.out.println("Type kill to unjoin from the grid");
while (!ch.equals("kill")) {
BufferedReader in = new BufferedReader(new InputStreamReader(System.in));
ch = in.readLine();
}
p.destroy();
date = new Date();
long end = date.getTime();
long durationInt = end - start;
String duration = String.valueOf(durationInt);
method = new HttpPost(url + "/shareAck");
method.setEntity(new StringEntity(username + ";" + duration, "UTF-8"));
try {
client.execute(method);
} catch (IOException e) {
System.err.println("Fatal transport error: " + e.getMessage());
e.printStackTrace();
}
}
public static void main(String[] args) throws Exception {
int counter = 0;
while (true) {
Thread outThread = null;
Thread errThread = null;
try {
// org.pitest.mutationtest.instrument.MutationTestUnit#runTestInSeperateProcessForMutationRange
// *** start slave
ServerSocket commSocket = new ServerSocket(0);
int commPort = commSocket.getLocalPort();
System.out.println("commPort = " + commPort);
// org.pitest.mutationtest.execute.MutationTestProcess#start
// - org.pitest.util.CommunicationThread#start
FutureTask<Integer> commFuture = createFuture(commSocket);
// - org.pitest.util.WrappingProcess#start
// - org.pitest.util.JavaProcess#launch
Process slaveProcess = startSlaveProcess(commPort);
outThread = new Thread(new ReadFromInputStream(slaveProcess.getInputStream()), "stdout");
errThread = new Thread(new ReadFromInputStream(slaveProcess.getErrorStream()), "stderr");
outThread.start();
errThread.start();
// *** wait for slave to die
// org.pitest.mutationtest.execute.MutationTestProcess#waitToDie
// - org.pitest.util.CommunicationThread#waitToFinish
System.out.println("waitToFinish");
Integer controlReturned = commFuture.get();
System.out.println("controlReturned = " + controlReturned);
// NOTE: the following won't get called if commFuture.get() fails!
// - org.pitest.util.JavaProcess#destroy
outThread.interrupt(); // org.pitest.util.AbstractMonitor#requestStop
errThread.interrupt(); // org.pitest.util.AbstractMonitor#requestStop
slaveProcess.destroy();
} catch (Exception e) {
e.printStackTrace(System.out);
}
// test: the threads should exit eventually
outThread.join();
errThread.join();
counter++;
System.out.println("try " + counter + ": stdout and stderr threads exited normally");
}
}
// Kills the JVM process and any active threads on it.
private void kill() {
if (redirectErr != null) {
redirectErr.close();
redirectErr.interrupt();
}
if (redirectOut != null) {
redirectOut.close();
redirectOut.interrupt();
}
if (JVM != null) {
JVM.destroy();
JVM = null;
}
JVMrunning = false;
}
// Kills the JVM process and any active threads on it.
private void kill() {
if (redirectErr != null) {
redirectErr.close();
redirectErr.interrupt();
}
if (redirectOut != null) {
redirectOut.close();
redirectOut.interrupt();
}
if (JVM != null) {
JVM.destroy();
JVM = null;
}
JVMrunning = false;
println("JVM reset on " + java.util.Calendar.getInstance().getTime().toString(), progErr);
}