public void respondRequest() {
// Follow algorithm procedure to send token if necessary
if ((havePrivilege) && (!isRequesting) && (RN.get(lastRequest) == LN.get(lastRequest) + 1)) {
havePrivilege = false;
String encodedPrivilegeMsg = encodePrivelege(requestQueue, LN);
sendPrivelege(encodedPrivilegeMsg, lastRequest);
SocketAddress mSocketAddress =
new InetSocketAddress(
mConfigReader.getNodeConfig(lastRequest)[1],
Integer.parseInt(mConfigReader.getNodeConfig(lastRequest)[2]));
MessageInfo mMessageInfo = MessageInfo.createOutgoing(null, 0);
try {
SctpChannel mSctpChannel = SctpChannel.open();
mSctpChannel.connect(mSocketAddress);
ByteBuffer mByteBuffer = ByteBuffer.allocate(MESSAGE_SIZE);
mByteBuffer.put(encodedPrivilegeMsg.getBytes());
mByteBuffer.flip();
mSctpChannel.send(mByteBuffer, mMessageInfo);
System.out.println("Privilege Message sending to " + lastRequest);
} catch (Exception e) {
System.out.println("Exception: " + e);
}
}
}
// Perform required algorithm procedures after exiting CS
private void ExitCS() {
LN.set(mSelfNodeID, RN.get(mSelfNodeID));
for (int i = 0; i < mConfigReader.getNodeCount(); i++) {
if (i != mSelfNodeID) {
if (!elementInQueue(requestQueue, i) && (RN.get(i) == LN.get(i) + 1)) {
requestQueue.add(i);
}
}
}
if (!requestQueue.isEmpty()) {
havePrivilege = false;
int headElement = (Integer) requestQueue.remove();
String msg = encodePrivelege(requestQueue, LN);
sendPrivelege(msg, headElement);
}
isRequesting = false;
finishedCS = true;
}