private void ReceiveData(object state)
{
TcpClient client = (TcpClient)state/*clientTcp*/;
NetworkStream ns = client.GetStream();
//byte[] buffer = new byte[1024];
IPEndPoint clientEndPoint = (IPEndPoint)client.Client.RemoteEndPoint;
IPHostEntry clientHostEntry = Dns.GetHostEntry(clientEndPoint.Address.ToString());
string clientHostName = clientHostEntry.HostName;
string serverHostName = Dns.GetHostName();
SocketEntity entity = new SocketEntity(
Command.IF, new string[]{}, serverHostName, clientHostName);
BollenSocket.Send(ns, entity);
string keycoder = string.Empty;
while (Valid)
{
CurrConnSta = ConnSta.Connected;
try
{
entity = BollenSocket.Receive(ns);
if (entity == null)
{
continue;
}
switch (entity.Cmd)
{
case Command.RQ:
keycoder = entity.Data[0];
ClientList.Add(client, keycoder);
this.UpdateView(new Workstation { KeyCoder = keycoder, WorkstationName = clientHostName });
break;
case Command.KA:
string answer;
if (entity.Data[0] == "Success")
{
answer = InstructMap["Success"];
//delete blacklist;
DeleteBlackList(entity.Data[1]);
//save issue records
IssueRecEntity recEntity = Manage.GetRecEntity(entity.Data[2]);
if (recEntity != null)
{
UpdateRoomData(recEntity.RoomNumber, "2", recEntity.GuestName,
recEntity.ArrivalDate, recEntity.DepartureDate);
recEntity.Workstation = entity.Data[3];
recEntity.OperateTime = entity.Data[4];
InsertIssueRec(recEntity);
}
else
{
this.CommLog("Issue record save failed");
}
}
else
{
answer = InstructMap["Failure"];
}
if (InterfaceClient == null)
{
this.CommLog("PMS interface is broken");
break;
}
answer = answer.Replace("*", keycoder);
try
{
BollenSocket.Write(InterfaceClient.NetStream,Encoding.UTF8.GetBytes(answer));
}
catch
{
break;
}
break;
default:
break;
}
}
catch
{
//error process.
try
{
ClientList.Remove(client);
}
catch
{
}
break;
}
}
if (keycoder != string.Empty)
{
frmWorkstation.SafeDel(keycoder);
}
if (ClientList.Count == 0)
{
CurrConnSta = ConnSta.Listen;
}
}
public static void Send(NetworkStream ns, SocketEntity data)
{
IFormatter formatter = new SoapFormatter();
MemoryStream mem = new MemoryStream();
formatter.Serialize(mem, data);
byte[] buffer = mem.GetBuffer();
int memsize = (int)mem.Length;
byte[] size = BitConverter.GetBytes(memsize);
ns.Write(size, 0, 4);
ns.Write(buffer,0,memsize);
ns.Flush();
mem.Close();
}