Initial data commit

Task/Echo-server/Ada/echo-server-1.ada

@@ -0,0 +1,39 @@
+with Ada.Text_IO;
+with Ada.IO_Exceptions;
+with GNAT.Sockets;
+procedure Echo_Server is
+   Receiver   : GNAT.Sockets.Socket_Type;
+   Connection : GNAT.Sockets.Socket_Type;
+   Client     : GNAT.Sockets.Sock_Addr_Type;
+   Channel    : GNAT.Sockets.Stream_Access;
+begin
+   GNAT.Sockets.Create_Socket (Socket => Receiver);
+   GNAT.Sockets.Set_Socket_Option
+     (Socket => Receiver,
+      Level  => GNAT.Sockets.Socket_Level,
+      Option => (Name    => GNAT.Sockets.Reuse_Address, Enabled => True));
+   GNAT.Sockets.Bind_Socket
+     (Socket  => Receiver,
+      Address => (Family => GNAT.Sockets.Family_Inet,
+                  Addr   => GNAT.Sockets.Inet_Addr ("127.0.0.1"),
+                  Port   => 12321));
+   GNAT.Sockets.Listen_Socket (Socket => Receiver);
+   loop
+      GNAT.Sockets.Accept_Socket
+        (Server  => Receiver,
+         Socket  => Connection,
+         Address => Client);
+      Ada.Text_IO.Put_Line
+        ("Client connected from " & GNAT.Sockets.Image (Client));
+      Channel := GNAT.Sockets.Stream (Connection);
+      begin
+         loop
+            Character'Output (Channel, Character'Input (Channel));
+         end loop;
+      exception
+         when Ada.IO_Exceptions.End_Error =>
+            null;
+      end;
+      GNAT.Sockets.Close_Socket (Connection);
+   end loop;
+end Echo_Server;