/**
* openConnections: open the connection to the master. has retry mechanism
*
* @return: true if the connection is built, false if failed
*/
public boolean openConnections() {
_log("Try to connect to Master...");
int i = 0;
while (true) {
boolean isConnected = connect();
if (!isConnected) {
i++;
if (i == DropboxConstants.MAX_TRY) {
break;
}
_log("Cannot connect to Master, retry " + i);
try {
Thread.sleep(DropboxConstants.TRY_CONNECT_MILLIS);
} catch (InterruptedException e) {
if (!_server.noException()) {
_elog(e.toString());
}
if (_server.debugMode()) {
e.printStackTrace();
}
_log("Retry connection is interrupted");
break;
}
} else {
_log("Success!");
return true;
}
}
_log("Failed");
return false;
}
/** listen: start to listen if there is any clients connected */
public void listen() {
// Firstly spawn a new thread and then the main thread
// also start listening
_userNet = new DropboxFileServerUserNet(_server, _userOut, _userIn, _userSock);
_userNet.start();
/* Use main thread, cannot be stopped */
while (_sock != null && !_sock.isClosed()) {
try {
String line = NetComm.receive(_in);
_dlog(line);
parse(line);
} catch (Exception e) {
if (!_server.noException()) {
_elog(e.toString());
}
break;
// Break the loop
}
}
/* Clear */
// Close main thread
clear();
// Cancel the listening thread and retry
_server.cancelListeningThread();
/* Also cancel all of the syncers */
_server.cancelSyncers();
// Retry after
try {
_log(
"The connection to master is broken,"
+ " reset everything and retry connection after "
+ DropboxConstants.TRY_CONNECT_MILLIS
+ " milliseconds");
Thread.sleep(DropboxConstants.TRY_CONNECT_MILLIS);
} catch (InterruptedException e) {
if (!_server.noException()) {
_elog(e.toString());
}
if (_server.debugMode()) {
e.printStackTrace();
}
}
_server.run();
clear();
_log(_threadName + " is stopped");
}