/// <summary>
/// Takes a socket state object, sets its associated ship to dead then removes the ship from
/// the list of clients
/// </summary>
private void HandleNetworkError(SocketState state)
{
int clientID = state.GetID();
// dispose all resources used by socket
// state.GetSocket().Dispose();
lock (clients)
{
clients.Remove(state);
}
// the ship that needs to be cleaned up
// needed to get stats
Ship deadShip;
lock (world)
{
deadShip = world.AddShipToCleanup(clientID);
}
lock (stats)
{
// add stats to set of all stats when cleaning up clients
AddShipToStats(deadShip);
}
Console.Out.WriteLine("Player " + clientID + " has left the game");
}
/// <summary>
/// Network action for processing client direction commands.
/// </summary>
private void HandleClientCommands(SocketState state)
{
if (state.HasError)
{
HandleNetworkError(state);
return;
}
// enumerate the complete received messages.
IEnumerable <string> messages = GetTokens(state.GetStringBuilder());
lock (world)
{
// process all of the commands now,
//may have recieved more than one before refreshing screen
foreach (string command in messages)
{
world.UpdateShipCommands(command, state.GetID());
state.GetStringBuilder().Remove(0, command.Length);
}
}
// ask client for data (continue loop)
Network.GetData(state);
}
public void SocketState_GetAndSetID()
{
// create a socket using to pass to a SocketState object
Network.MakeSocket("localhost", out Socket sock, out IPAddress address);
try
{
SocketState state = new SocketState(sock, -1);
// ID should be same as what it was set when object was created
Assert.AreEqual(-1, state.GetID());
// check that setting id changes what is stored
state.SetID(5);
Assert.AreEqual(5, state.GetID());
}
// make sure we close the socket when we are done testing our state
finally
{
sock.Dispose();
}
}
public void SocketState_ConstructorTest()
{
// create a socket using to pass to a SocketState object
Network.MakeSocket("localhost", out Socket sock, out IPAddress address);
try
{
SocketState state = new SocketState(sock, -1);
//the state should not be reporting an error
Assert.IsFalse(state.HasError);
// there error messgae should be an empty string
Assert.IsTrue(state.ErrorMessage == "");
//the size of the buffer should be 1024
byte[] buffer = state.GetMessageBuffer();
Assert.AreEqual(1024, buffer.Length);
// the message buffer should be filled with 0's
byte zeroByte = 0x0;
for (int i = 0; i < buffer.Length; i++)
{
Assert.IsTrue(buffer[i] == zeroByte);
}
// growable string builder which represents the message sent by server
// should not contain anything.
StringBuilder sb = state.GetStringBuilder();
Assert.IsTrue(sb.ToString() == "");
Assert.AreEqual(0, sb.Length);
// the socket returned by GetSocket should be the same instance as
// passed to the constructor
Assert.AreEqual(sock, state.GetSocket());
// We have not set a network action, but it should still not be null
// trying to invoke this action would be bad if it was null and cause
// test to fail
state.InvokeNetworkAction(state);
// ID should be same as what it was set
Assert.AreEqual(-1, state.GetID());
}
// make sure we close the socket when we are done testing our state
finally
{
sock.Dispose();
}
}