protected override Message.AbstractMessage DecodeBody(IoSession session, IoBuffer input)
{
if (input.Remaining < Constants.ADD_BODY_LEN)
{
return null;
}
AddMessage m = new AddMessage();
m.Value = input.GetInt32();
return m;
}
static void Main(string[] args)
{
if (args.Length == 0)
{
Console.WriteLine("Please specify the list of any integers");
return;
}
// prepare values to sum up
int[] values = new int[args.Length];
for (int i = 0; i < args.Length; i++)
{
values[i] = Int32.Parse(args[i]);
}
AsyncSocketConnector connector = new AsyncSocketConnector();
// Configure the service.
connector.ConnectTimeoutInMillis = CONNECT_TIMEOUT;
if (USE_CUSTOM_CODEC)
{
connector.FilterChain.AddLast("codec",
new ProtocolCodecFilter(new SumUpProtocolCodecFactory(false)));
}
else
{
connector.FilterChain.AddLast("codec",
new ProtocolCodecFilter(new ObjectSerializationCodecFactory()));
}
connector.FilterChain.AddLast("logger", new LoggingFilter());
connector.SessionOpened += (s, e) =>
{
// send summation requests
for (int i = 0; i < values.Length; i++)
{
AddMessage m = new AddMessage();
m.Sequence = i;
m.Value = values[i];
e.Session.Write(m);
}
};
connector.ExceptionCaught += (s, e) =>
{
Console.WriteLine(e.Exception);
e.Session.Close(true);
};
connector.MessageReceived += (s, e) =>
{
// server only sends ResultMessage. otherwise, we will have to identify
// its type using instanceof operator.
ResultMessage rm = (ResultMessage)e.Message;
if (rm.OK)
{
// server returned OK code.
// if received the result message which has the last sequence
// number,
// it is time to disconnect.
if (rm.Sequence == values.Length - 1)
{
// print the sum and disconnect.
Console.WriteLine("The sum: " + rm.Value);
e.Session.Close(true);
}
}
else
{
// seever returned error code because of overflow, etc.
Console.WriteLine("Server error, disconnecting...");
e.Session.Close(true);
}
};
IoSession session;
while (true)
{
try
{
IConnectFuture future = connector.Connect(new IPEndPoint(IPAddress.Loopback, PORT));
future.Await();
session = future.Session;
break;
}
catch (Exception ex)
{
Console.WriteLine(ex);
Thread.Sleep(3000);
}
}
// wait until the summation is done
session.CloseFuture.Await();
Console.WriteLine("Press any key to exit");
Console.Read();
}
