public void commandLine() throws IOException {
System.out.print("# ");
String line = in.readLine();
String split[] = line.split("\\s+");
String cmd = split[0].toUpperCase();
Command command;
try {
command = Command.valueOf(cmd);
} catch (IllegalArgumentException e) {
System.out.println("Unknown command: " + split[0]);
return;
}
switch (command) {
case CONNECT:
{
if (split.length < 2) {
System.out.println("No address given");
break;
}
String input = split[1];
if (input.indexOf(":") == -1) {
input += ":8000";
}
Address addr = new Address(input);
dht.connect(addr);
System.out.println("Connect message sent");
break;
}
case DISCONNECT:
{
if (dht.isConnected()) {
System.out.println("Not connected");
} else {
dht.disconnect();
System.out.println("Disconnected");
}
break;
}
case FINGERS:
{
dht.showFigers();
break;
}
case HELP:
{
System.out.println("Syntax: Command [arguments]");
for (Command s : Command.values()) {
s.printHelp();
}
break;
}
case PUT:
{
String[] input = splitQuotes(line);
if (input != null && input.length >= 3) {
long key = dht.put(input[1], input[3]);
System.out.println("key = " + key);
} else {
System.out.println("Invalid syntax");
}
break;
}
case GET:
{
if (split.length < 2) {
System.out.println("No key provieded");
break;
}
try {
String[] input = splitQuotes(line);
if (input == null) {
System.out.println("Invalid key");
} else {
DataEntry data = dht.get(input[1]);
System.out.println("data(" + data.key + ") = " + data.value);
}
} catch (NumberFormatException e) {
System.out.println("Invalid key");
}
break;
}
case RM:
case REMOVE:
{
if (split.length < 2) {
System.out.println("No key provieded");
break;
}
try {
String[] input = splitQuotes(line);
if (input == null) {
System.out.println("Invalid key");
} else {
dht.remove(input[1]);
}
} catch (NumberFormatException e) {
System.out.println("Invalid key");
}
break;
}
case STORE:
{
dht.showStore();
break;
}
case QUIT:
{
System.out.println("Bye...");
quit();
break;
}
default:
{
System.out.println("Unhandled command: " + cmd);
}
}
}
public void quit() {
dht.disconnect();
running = false;
}
