format (shendaras)
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shendaras
@ -26,152 +26,142 @@ public class EchoTester extends Thread {
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/**
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* How long to wait between packets. Default is 6 seconds.
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*/
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private static long PACKET_DELAY= 6000;
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private static long PACKET_DELAY = 6000;
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/**
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* How many packets may be on the way before the connection is
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* seen as "broken" and disconnected.
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*/
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private static final long MAX_PACKETS_QUEUED=50; // unused
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private static final long MAX_PACKETS_QUEUED = 50; // unused
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private EchoTestAnalyzer eta;
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private String host;
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private int port;
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// the following vars are synchronized via the lock.
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private Object lock = new Object();
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private long nextPacket=0;
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private long nextUnreceived=0;
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private boolean readerRunning=false;
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private long nextPacket = 0;
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private long nextUnreceived = 0;
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private boolean readerRunning = false;
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public static void main(String[] args) {
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if (args.length == 3)
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PACKET_DELAY = Long.parseLong(args[2]);
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new EchoTester(args[0], Integer.parseInt(args[1]),
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new BasicEchoTestAnalyzer());
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if (args.length == 3) PACKET_DELAY = Long.parseLong(args[2]);
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new EchoTester(args[0], Integer.parseInt(args[1]), new BasicEchoTestAnalyzer());
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}
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public EchoTester(String host, int port, EchoTestAnalyzer eta) {
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this.eta=eta;
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this.host=host;
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this.port=port;
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start();
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this.eta = eta;
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this.host = host;
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this.port = port;
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start();
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}
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public void run() {
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try {
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while (true) {
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Socket s;
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try {
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s = new Socket(host, port);
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} catch (ConnectException ex) {
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eta.disconnected(true);
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Thread.sleep(PACKET_DELAY);
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continue;
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}
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System.out.println("41: Connected to "+host+":"+port);
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synchronized(lock) {
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nextUnreceived=nextPacket;
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}
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Thread t = new ResponseReaderThread(s);
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Writer w = new BufferedWriter(new OutputStreamWriter
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(s.getOutputStream()));
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while (true) {
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long no;
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synchronized(lock) {
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no = nextPacket++;
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}
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try {
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w.write(no+" "+System.currentTimeMillis()+"\n");
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w.flush();
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} catch (SocketException ex) {
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break;
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}
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Thread.sleep(PACKET_DELAY);
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}
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s.close();
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t.join();
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synchronized(lock) {
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if (readerRunning) {
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System.out.println("*** WHY IS THIS THREAD STILL"+
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" RUNNING?");
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}
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while (nextUnreceived < nextPacket) {
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nextUnreceived++;
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eta.packetLossOccurred(true);
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}
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if (nextUnreceived > nextPacket) {
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System.out.println("*** WTF? "+nextUnreceived+" > "+
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nextPacket);
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}
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}
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eta.disconnected(false);
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}
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} catch (InterruptedException ex) {
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ex.printStackTrace();
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System.exit(1); // treat these errors as fatal
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} catch (IOException ex) {
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ex.printStackTrace();
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System.exit(1); // treat these errors as fatal
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}
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try {
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while (true) {
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Socket s;
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try {
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s = new Socket(host, port);
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} catch (ConnectException ex) {
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eta.disconnected(true);
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Thread.sleep(PACKET_DELAY);
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continue;
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}
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System.out.println("41: Connected to " + host + ":" + port);
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synchronized (lock) {
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nextUnreceived = nextPacket;
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}
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Thread t = new ResponseReaderThread(s);
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Writer w = new BufferedWriter(new OutputStreamWriter(s.getOutputStream()));
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while (true) {
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long no;
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synchronized (lock) {
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no = nextPacket++;
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}
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try {
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w.write(no + " " + System.currentTimeMillis() + "\n");
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w.flush();
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} catch (SocketException ex) {
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break;
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}
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Thread.sleep(PACKET_DELAY);
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}
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s.close();
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t.join();
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synchronized (lock) {
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if (readerRunning) {
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System.out.println("*** WHY IS THIS THREAD STILL" + " RUNNING?");
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}
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while (nextUnreceived < nextPacket) {
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nextUnreceived++;
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eta.packetLossOccurred(true);
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}
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if (nextUnreceived > nextPacket) {
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System.out.println("*** WTF? " + nextUnreceived + " > " + nextPacket);
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}
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}
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eta.disconnected(false);
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}
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} catch (InterruptedException ex) {
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ex.printStackTrace();
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System.exit(1); // treat these errors as fatal
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} catch (IOException ex) {
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ex.printStackTrace();
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System.exit(1); // treat these errors as fatal
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}
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}
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private class ResponseReaderThread extends Thread {
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private Socket s;
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private Socket s;
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public ResponseReaderThread(Socket s) {
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this.s=s;
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synchronized(lock) {
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readerRunning=true;
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}
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start();
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}
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public ResponseReaderThread(Socket s) {
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this.s = s;
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synchronized (lock) {
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readerRunning = true;
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}
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start();
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}
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public void run() {
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try {
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BufferedReader br = new BufferedReader(new InputStreamReader
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(s.getInputStream()));
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String line;
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int index;
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while ((line=br.readLine()) != null) {
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if ((index=line.indexOf(" ")) == -1)
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continue;
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long now, packetNumber, packetTime;
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now = System.currentTimeMillis();
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try {
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packetNumber = Long.parseLong
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(line.substring(0,index));
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packetTime = Long.parseLong
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(line.substring(index+1));
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} catch (NumberFormatException ex) {
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System.out.println(ex.toString());
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continue;
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}
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synchronized (lock) {
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while (packetNumber > nextUnreceived) {
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nextUnreceived++;
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eta.packetLossOccurred(false);
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}
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if (nextUnreceived > packetNumber) {
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System.out.println("*** DOUBLE PACKET!");
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} else {
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nextUnreceived++;
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}
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}
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eta.successOccurred(now-packetTime);
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}
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} catch (SocketException ex) {
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// ignore
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} catch (IOException ex) {
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ex.printStackTrace();
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System.exit(0);
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}
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synchronized(lock) {
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readerRunning=false;
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}
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}
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public void run() {
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try {
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BufferedReader br = new BufferedReader(new InputStreamReader(s.getInputStream()));
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String line;
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int index;
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while ((line = br.readLine()) != null) {
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if ((index = line.indexOf(" ")) == -1) continue;
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long now, packetNumber, packetTime;
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now = System.currentTimeMillis();
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try {
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packetNumber = Long.parseLong(line.substring(0, index));
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packetTime = Long.parseLong(line.substring(index + 1));
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} catch (NumberFormatException ex) {
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System.out.println(ex.toString());
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continue;
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}
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synchronized (lock) {
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while (packetNumber > nextUnreceived) {
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nextUnreceived++;
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eta.packetLossOccurred(false);
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}
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if (nextUnreceived > packetNumber) {
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System.out.println("*** DOUBLE PACKET!");
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} else {
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nextUnreceived++;
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}
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}
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eta.successOccurred(now - packetTime);
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}
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} catch (SocketException ex) {
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// ignore
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} catch (IOException ex) {
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ex.printStackTrace();
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System.exit(0);
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}
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synchronized (lock) {
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readerRunning = false;
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}
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}
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}
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}
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}
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