public void start()
{
server.Start();
client = server.AcceptTcpClient();
netStream = client.GetStream();
signal = Convert.ToByte(netStream.ReadByte());
if (signal == Signal.LIST_REQUEST) //if client send request for list
{
foreach (Item item in database) //send each item in db to client
{
netStream.WriteByte(Signal.LIST_SEND_MORE); //client continue receiving
string data = item.ToString();
dataSend = Encoding.ASCII.GetBytes(data);
netStream.Write(dataSend, 0, data.Length);
}
}
netStream.WriteByte(Signal.LIST_SEND_FIN); //signal client finished sending list
signal = Convert.ToByte(netStream.ReadByte());
if (signal == Signal.ORDER_RTS)
{
signal = Convert.ToByte(netStream.ReadByte());
while (signal != Signal.ORDER_SEND_FIN)
{
if (signal == Signal.ORDER_SEND_MORE)
{
dataSize = netStream.Read(dataReceive, 0, BUFFER_SIZE);
string data = Encoding.ASCII.GetString(dataReceive, 0, dataSize);
order.Add(Item.GetObject(data));
}
signal = Convert.ToByte(netStream.ReadByte());
}
}
if (signal == Signal.PAYMENT_REQUEST)
{
int totalPayment = 0;
foreach (Item item in order)
{
totalPayment += database.Where(i => i.Id == item.Id).First().Price *item.Stock;
}
dataSend = BitConverter.GetBytes(totalPayment);
netStream.Write(dataSend, 0, sizeof(int));
}
}
