@Override
public RPCMessage connect(RPCMessage RPCmsg) throws RemoteException {
if (RPCmsg.getMessageType() == MessageType.REQUEST
& RPCmsg.getProcedureID() == (short) 1
& RPCmsg.getStatus() == (short) 0
& onlineUser.size() <= 10) {
RPCmsg.setMessageType(MessageType.REPLY);
String userId = RPCmsg.getCvs_data();
if (!onlineUser.contains(userId)) {
onlineUser.add(userId);
}
RPCmsg.setCvs_data("Succssful");
System.out.println(userId + " is now online");
logicClock++;
return RPCmsg;
} else if (onlineUser.size() > 10) {
RPCmsg.setMessageType(MessageType.REPLY);
RPCmsg.setStatus((short) 1);
RPCmsg.setCvs_data("Server full. max number of client reached");
return RPCmsg;
} else {
RPCmsg.setMessageType(MessageType.REPLY);
RPCmsg.setStatus((short) 1);
RPCmsg.setCvs_data("error");
return RPCmsg;
}
}
@Override
public RPCMessage deposit(RPCMessage RPCmsg) throws RemoteException {
if (RPCmsg.getMessageType() == MessageType.REQUEST
& RPCmsg.getProcedureID() == 2
& RPCmsg.getStatus() == 0) {
RPCmsg.setMessageType(MessageType.REPLY);
String[] parts = RPCmsg.getCvs_data().split(";");
String depositor_id = parts[0];
String receiver_id = parts[1].trim();
String text = parts[2];
if (!dropBox.containsKey(receiver_id)) {
dropBox.put(receiver_id, new ArrayList<String>());
}
ArrayList<String> list = dropBox.get(receiver_id);
list.add(
text
+ " from "
+ depositor_id
+ " at "
+ new SimpleDateFormat("yyyy/MM/dd HH:mm:ss")
.format(Calendar.getInstance().getTime()));
dropBox.put(receiver_id, list);
RPCmsg.setCvs_data("Succssful");
logicClock++;
return RPCmsg;
} else {
RPCmsg.setMessageType(MessageType.REPLY);
RPCmsg.setStatus((short) 1);
RPCmsg.setCvs_data("error");
return RPCmsg;
}
}
@Override
public RPCMessage inquire(RPCMessage RPCmsg) throws RemoteException {
if (RPCmsg.getMessageType() == MessageType.REQUEST
& RPCmsg.getProcedureID() == 4
& RPCmsg.getStatus() == 0) {
RPCmsg.setMessageType(MessageType.REPLY);
RPCmsg.setCvs_data(
"User " + RPCmsg.getCvs_data() + " is online? " + isOnline(RPCmsg.getCvs_data()));
return RPCmsg;
} else {
RPCmsg.setMessageType(MessageType.REPLY);
RPCmsg.setStatus((short) 1);
RPCmsg.setCvs_data("error");
return RPCmsg;
}
}
@Override
public RPCMessage retrieve(RPCMessage RPCmsg) throws RemoteException {
if (RPCmsg.getMessageType() == MessageType.REQUEST
& RPCmsg.getProcedureID() == 3
& RPCmsg.getStatus() == 0) {
RPCmsg.setMessageType(MessageType.REPLY);
// System.out.println("user "+RPCmsg.getCvs_data()+" requires to retrive his messages");
ArrayList<String> msgs = dropBox.get(RPCmsg.getCvs_data().trim());
String text = "";
if (msgs != null) {
if (msgs.size() != 0) {
for (int i = 0; i < msgs.size(); i++) {
text += msgs.get(i) + "^";
// msgs.remove(i);
}
logicClock++;
msgs.clear();
} else {
text = "you have retrived all your messages already";
}
} else {
text = "you dont have any message";
}
RPCmsg.setCvs_data(text);
return RPCmsg;
} else {
RPCmsg.setMessageType(MessageType.REPLY);
RPCmsg.setStatus((short) 1);
RPCmsg.setCvs_data("error");
return RPCmsg;
}
}
@Override
public RPCMessage disconnect(RPCMessage RPCmsg) throws RemoteException {
if (RPCmsg.getMessageType() == MessageType.REQUEST
& RPCmsg.getProcedureID() == 5
& RPCmsg.getStatus() == 0) {
RPCmsg.setMessageType(MessageType.REPLY);
String userId = RPCmsg.getCvs_data();
if (onlineUser.contains(userId)) {
onlineUser.remove(userId);
}
RPCmsg.setCvs_data("Succssful");
// System.out.println(userId+" is now online");
logicClock++;
return RPCmsg;
} else {
RPCmsg.setMessageType(MessageType.REPLY);
RPCmsg.setStatus((short) 1);
RPCmsg.setCvs_data("error");
return RPCmsg;
}
}