private void ProcessCarMessage(string str)
{
CarMessage msg = CarMessage.Create(str);
if (msg.Type == MessageType.Request)
{
requestQueue.Add(msg);
CarMessage reply = GenerateMessage(MessageType.Reply);
if (!onTheBridge) // check not in CS
{
SendMessage(reply, msg.Id);
}
else
{
deferedRequests.Add(new DifferedMessage(reply, msg.Id));
}
}
else if (msg.Type == MessageType.Reply)
{
repliesNo++;
}
else if (msg.Type == MessageType.Release)
{
CarMessage m = requestQueue.Find(t => t.Id == msg.Id);
if (m != null)
{
requestQueue.Remove(m);
}
}
}
private CarMessage GenerateMessage(char type)
{
DateTime now = DateTime.Now;
long span = now.Ticks;
CarMessage message = new CarMessage(type, this.Id, span);
return(message);
}
private void AnnounceRelease()
{
CarMessage releaseMsg = GenerateMessage(MessageType.Release);
foreach (int carId in RequestSet)
{
SendMessage(releaseMsg, carId);
}
}
private void WantPermissionToCS()
{
CarMessage request = GenerateMessage(MessageType.Request);
requestQueue.Add(request);
foreach (int carId in RequestSet)
{
SendMessage(request, carId);
}
}
public static CarMessage Create(string text)
{
string[] items = text.Split('-');
char ty = items[0][0];
int id = int.Parse(items[1]);
long span = long.Parse(items[2]);
CarMessage msg = new CarMessage(ty, id, span);
return(msg);
}
public void SendMessage(CarMessage message, int serverPort)
{
try
{
Client client = GetClientOf(serverPort);
if (client != null)
{
client.SendData(message.ToString());
}
}
catch
{
//WriteMessage(String.Format("Exception sending {0} msg from {1} to {2}", type, id, serverPort));
}
}
public void Move()
{
if (InRoad != null)
{
if (InRoad.IsBridge)
{
WantPermissionToCS();
while (true)
{
if (repliesNo == RequestSet.Count && requestQueue.Count > 0 && requestQueue[0].Id == this.Id)
{
repliesNo = 0;
onTheBridge = true;
break;
}
}
}
while (moving)
{
AdjustSpeed();
Move1();
}
if (InRoad.IsBridge)
{
if (InRoad.ChangedDirection)
{
InRoad.ChangeDirection();
InRoad.ChangedDirection = false;
}
onTheBridge = false;
foreach (DifferedMessage msg in deferedRequests)
{
SendMessage(msg.Message, msg.Receiver);
}
deferedRequests.Clear();
AnnounceRelease();
CarMessage ownRequest = requestQueue.Find(m => m.Id == this.Id);
if (ownRequest != null)
{
requestQueue.Remove(ownRequest);
}
}
}
}
public DifferedMessage(CarMessage m, int s)
{
this.Message = m;
this.Receiver = s;
}
