public void sendSEROKMsg(Message message) {
System.out.println("Received query : " + message);
noOfRcvMsg++;
if (!lastMessage.isequal(message)) {
lastMessage = message;
System.out.println("Searching file locally.");
ArrayList<String> filesArray = this.searchQueryInLocal(message.query);
Configuration.setBackUpNeighbor(message.ip_from, message.port_from);
String[] files = filesArray.toArray(new String[filesArray.size()]);
if (files.length > 0) {
Message serokMsg =
new SEROKMessage(files, message.hops, message.ip_from, message.port_from);
myMsgTransfer.sendMessage(serokMsg);
noOfAnsMsg++;
System.out.println("Answered query : " + message);
} else {
Message serokMsg =
new SEROKMessage(files, message.hops, message.ip_from, message.port_from);
myMsgTransfer.sendMessage(serokMsg);
System.out.println("Searching file globally.");
forwardSerMsg(message);
}
}
}
public void forwardSerMsg(Message message) {
List<Neighbor> neighbors = Configuration.getNeighbors();
Iterator<Neighbor> neighborsIterator = neighbors.iterator();
while (neighborsIterator.hasNext()) {
Neighbor temp = neighborsIterator.next();
if (!message.ip_from.matches(temp.getIpAddress())
|| message.port_from != temp.getPortNumber()) {
Message serMsg =
new SERMessage(
message.query,
message.hops + 1,
message.ip_from,
message.port_from,
temp.getIpAddress(),
temp.getPortNumber());
noOfFwdMsg++;
System.out.println(
"Forwarded query : "
+ message.ip_from
+ ":"
+ message.port_from
+ " TO "
+ temp.getIpAddress()
+ ":"
+ temp.getPortNumber());
myMsgTransfer.sendMessage(serMsg);
}
}
}
public void leaveDSSystem() {
List<Neighbor> neighbors = Configuration.getNeighbors();
Iterator<Neighbor> neighborsIterator = neighbors.iterator();
while (neighborsIterator.hasNext()) {
Neighbor temp = neighborsIterator.next();
Message leaveMsg = new LEAVEMessage(temp.getIpAddress(), temp.getPortNumber());
myMsgTransfer.sendMessage(leaveMsg);
}
}
public void registerServer() {
Message message = new REGMessage();
myMsgTransfer.sendMessage(message);
}
// Leave from the server
public void unregisterServer() {
Message unregMsg = new UNREGMessage();
myMsgTransfer.sendMessage(unregMsg);
}
public void joinWithNeighbor(String ip, int port) {
Message newMessage = new JOINMessage(ip, port);
myMsgTransfer.sendMessage(newMessage);
}
