Data commit

Task/Distributed-programming/C-sharp/distributed-programming.cs

@@ -0,0 +1,97 @@
+using System;
+using System.IO;
+using System.Net;
+using System.Net.Sockets;
+using System.Runtime.Serialization.Formatters.Binary;
+using System.Threading.Tasks;
+
+using static System.Console;
+
+class DistributedProgramming
+{
+    const int Port = 555;
+
+    async static Task RunClient()
+    {
+        WriteLine("Connecting");
+        var client = new TcpClient();
+        await client.ConnectAsync("localhost", Port);
+
+        using (var stream = client.GetStream())
+        {
+            WriteLine("Sending loot");
+            var data = Serialize(new SampleData());
+            await stream.WriteAsync(data, 0, data.Length);
+
+            WriteLine("Receiving thanks");
+            var buffer = new byte[80000];
+            var bytesRead = await stream.ReadAsync(buffer, 0, buffer.Length);
+            var thanks = (string)Deserialize(buffer, bytesRead);
+            WriteLine(thanks);
+        }
+
+        client.Close();
+    }
+
+    async static Task RunServer()
+    {
+        WriteLine("Listening");
+        var listener = new TcpListener(IPAddress.Any, Port);
+        listener.Start();
+        var client = await listener.AcceptTcpClientAsync();
+
+        using (var stream = client.GetStream())
+        {
+            WriteLine("Receiving loot");
+            var buffer = new byte[80000];
+            var bytesRead = await stream.ReadAsync(buffer, 0, buffer.Length);
+            var data = (SampleData)Deserialize(buffer, bytesRead);
+            WriteLine($"{data.Loot} at {data.Latitude}, {data.Longitude}");
+
+            WriteLine("Sending thanks");
+            var thanks = Serialize("Thanks!");
+            await stream.WriteAsync(thanks, 0, thanks.Length);
+        }
+
+        client.Close();
+        listener.Stop();
+        Write("Press a key");
+        ReadKey();
+    }
+
+    static byte[] Serialize(object data)
+    {
+        using (var mem = new MemoryStream())
+        {
+            new BinaryFormatter().Serialize(mem, data);
+            return mem.ToArray();
+        }
+    }
+
+    static object Deserialize(byte[] data, int length)
+    {
+        using (var mem = new MemoryStream(data, 0, length))
+        {
+            return new BinaryFormatter().Deserialize(mem);
+        }
+    }
+
+    static void Main(string[] args)
+    {
+        if (args.Length == 0) return;
+
+        switch (args[0])
+        {
+            case "client": RunClient().Wait(); break;
+            case "server": RunServer().Wait(); break;
+        }
+    }
+}
+
+[Serializable]
+class SampleData
+{
+    public decimal Latitude = 44.33190m;
+    public decimal Longitude = 114.84129m;
+    public string Loot = "140 tonnes of jade";
+}