private void ClientThread(Object StateInfo)
{
byte[] clearBuffer = new byte[256];
sem.WaitOne();
TcpClient client = (TcpClient)StateInfo;
NetworkStream ns = client.GetStream();
byte[] Buffer = new byte[256];
ns.Read(Buffer, 0, Buffer.Length);
ns.Write(Encoding.UTF8.GetBytes("Ok"));
string[] customerInfo = Encoding.UTF8.GetString(Buffer).Split(':');
string customerName = customerInfo[0];
long customerBalance = long.Parse(customerInfo[1]);
Console.ForegroundColor = ConsoleColor.Magenta;
Console.WriteLine($"Приш{(customerName[customerName.Length - 1] == 'а' ? "лa" : "ёл")} {customerName}, у н{(customerName[customerName.Length - 1] == 'а' ? "её" : "его")} {customerBalance} денег.");
Console.ResetColor();
while (client.Connected)
{
try
{
clearBuffer.CopyTo(Buffer, 0);
ns.Read(Buffer, 0, Buffer.Length);
}
catch (IOException ex) when(ex.InnerException.GetType().Equals(typeof(SocketException)) && ((SocketException)ex.InnerException).ErrorCode == 10053)
{
break;
}
if (Buffer[0] == 0)
{
break;
}
string[] customerMessage = Encoding.UTF8.GetString(Buffer).Split(':');
string customerAction = customerMessage[0];
int customerQuantity = int.Parse(customerMessage[1]);
string answer;
switch (customerAction)
{
case "список":
answer = ProductHandler.SerializeProductList(Products);
break;
default:
Console.ForegroundColor = ConsoleColor.Cyan;
Console.WriteLine($"{customerName} желает приобрести {customerAction}, {customerQuantity} штук.");
Console.ResetColor();
int productsBought = 0;
if (ProductHandler.FindProduct(Products, customerAction) == null)
{
answer = $"{productsBought}:товар отсутствует";
break;
}
string reason = "Ok";
lock (Products)
{
Product product = ProductHandler.FindProduct(Products, customerAction);
while (productsBought < customerQuantity)
{
if (product.price > customerBalance)
{
reason = "недостаточно средств";
break;
}
if (product.quantity == 0)
{
reason = "товар закончился";
break;
}
Console.ForegroundColor = ConsoleColor.Yellow;
Console.WriteLine($"{customerName} начинает покупку {customerAction}.");
Console.ResetColor();
customerBalance -= product.price;
product.quantity--;
productsBought++;
Thread.Sleep(10000);
Console.ForegroundColor = ConsoleColor.Green;
Console.WriteLine($"{customerName} совершил{(customerName[customerName.Length - 1] == 'а' ? "a" : "")} покупку {customerAction}.\n");
Console.ResetColor();
}
}
answer = $"{productsBought}:{reason}";
break;
}
client.GetStream().Write(Encoding.UTF8.GetBytes(answer));
}
Console.ForegroundColor = ConsoleColor.Red;
Console.WriteLine($"{customerName} уш{(customerName[customerName.Length - 1] == 'а' ? "лa" : "ёл")}.");
Console.ResetColor();
client.Close();
ns.Close();
sem.Release();
}
public Server(int Port)
{
Products = new List <Product>();
Listener = new TcpListener(IPAddress.Any, Port);
new Thread(ListenerThread).Start(Listener);
string command;
do
{
command = Console.ReadLine();
switch (command)
{
case "добавить":
Console.WriteLine("Введите наименование товара:");
string productName = Console.ReadLine();
Console.WriteLine($"Введите цену товара {productName}:");
int productPrice;
while (!int.TryParse(Console.ReadLine(), out productPrice))
{
Console.WriteLine($"Ожидалось целое число\nВведите цену товара {productName}:");
}
Console.WriteLine($"Введите количество товара {productName}:");
int productQuantity;
while (!int.TryParse(Console.ReadLine(), out productQuantity))
{
Console.WriteLine($"Ожидалось целое число\nВведите количество товара {productName}:");
}
lock (Products)
{
if (ProductHandler.FindProduct(Products, productName) == null)
{
Products.Add(new Product(productName, productPrice, productQuantity));
Console.WriteLine($"Товар {productName} успешно добавлен, чтобы увидеть весь список товаров наберите \"список\"");
}
else
{
Product product = ProductHandler.FindProduct(Products, productName);
product.price = productPrice;
product.quantity = productQuantity;
Console.WriteLine($"Товар {productName} успешно изменён, чтобы увидеть весь список товаров наберите \"список\"");
}
}
break;
case "список":
ProductHandler.PrintProductList(Products);
break;
case "shutdown":
break;
default:
Console.WriteLine("Неизвестная команда");
break;
}
} while (command != "shutdown");
if (Listener != null)
{
Listener.Stop();
}
}