public synchronized void messageReceived(int to, Message m) {
switch (m.amType()) {
case DelugeAdvMsg.AM_TYPE:
DelugeAdvMsg rxAdvMsg = (DelugeAdvMsg) m;
if (vNum == rxAdvMsg.get_summary_vNum()
&& numPgs == rxAdvMsg.get_summary_numPgsComplete()) {
// ALL DONE, QUIT!
System.out.println("DOWNLOAD COMPLETE!");
System.out.println("--------------------------------------------------");
System.exit(0);
}
break;
case DelugeReqUpdMetadataMsg.AM_TYPE:
DelugeReqUpdMetadataMsg reqUpd = (DelugeReqUpdMetadataMsg) m;
if (printAllMsgs) System.out.print(reqUpd);
vNum = (short) (reqUpd.get_vNum() + 1);
advMsg.set_summary_vNum(vNum);
System.out.print("Upgrading from version [" + reqUpd.get_vNum() + "]");
System.out.println(" to version [" + vNum + "]");
transmitMetadataUpd();
break;
case DelugeReqMsg.AM_TYPE:
DelugeReqMsg req = (DelugeReqMsg) m;
if (printAllMsgs) System.out.print(req);
if (vNum != req.get_vNum()) {
System.out.println("ERROR: Node requesting wrong version");
System.exit(1);
}
transmitPage(req.get_pgNum());
break;
}
}
public static void main(String[] args) throws Exception {
String source = null;
Vector v = new Vector();
if (args.length > 0) {
for (int i = 0; i < args.length; i++) {
if (args[i].equals("-comm")) {
source = args[++i];
} else {
String className = args[i];
try {
Class c = Class.forName(className);
Object packet = c.newInstance();
Message msg = (Message) packet;
if (msg.amType() < 0) {
System.err.println(className + " does not have an AM type - ignored");
} else {
v.addElement(msg);
}
} catch (Exception e) {
System.err.println(e);
}
}
}
} else if (args.length != 0) {
usage();
System.exit(1);
}
MsgReader mr = new MsgReader(source);
Enumeration msgs = v.elements();
while (msgs.hasMoreElements()) {
Message m = (Message) msgs.nextElement();
mr.addMsgType(m);
}
mr.start();
}
