Esempio n. 1
0
        static void Main(string[] args)
        {
            var instanceContext       = new InstanceContext(new ClientCallbackHandler());
            var contractClient        = new ContractClient(instanceContext);
            var binding               = contractClient.Endpoint.Binding as WSDualHttpBinding;
            var clientCallbackAddress = binding.ClientBaseAddress.AbsoluteUri + Guid.NewGuid().ToString();

            Console.WriteLine($"ClientCallbaclAddress: {clientCallbackAddress}");
            binding.ClientBaseAddress = new Uri(clientCallbackAddress);

            var name = string.Empty;
            var done = false;

            try
            {
                contractClient.Open();
                Console.WriteLine(contractClient.State.ToString());
                contractClient.Join("User");
                name = "User";
                Console.WriteLine(contractClient.State.ToString());
                Console.WriteLine("Connected as User");
            }
            catch (Exception e)
            {
                Console.WriteLine($"Exception while attempting to open connection and join as {name}: ", e.Message);
                Console.WriteLine(e.StackTrace);
                done = true;
            }

            while (!done)
            {
                var joinMsg = string.Empty;
                if (!string.IsNullOrEmpty(name))
                {
                    joinMsg = $"[Joined as {name}]";
                }
                Console.WriteLine();
                Console.WriteLine($"Menu {joinMsg} Connection State: {contractClient.State.ToString()}");
                Console.WriteLine("     Enter 'x' to exit client");
                Console.WriteLine("     Enter 'j:<name>' to join");
                Console.WriteLine("     Enter 'l' to leave");
                Console.WriteLine("     Enter 'p:<message>' to ping the server with message");
                Console.WriteLine();
                Console.Write("Enter a command: ");
                var cmd = Console.ReadLine();
                cmd = cmd.ToLower().Trim();
                var splitCmd = cmd.Split(':');
                if (splitCmd[0] == "x")
                {
                    done = true;
                }
                else if (splitCmd[0] == "l")
                {
                    try
                    {
                        Console.WriteLine(contractClient.State.ToString());
                        contractClient.Leave();
                        name = null;
                    }
                    catch (Exception e)
                    {
                        Console.WriteLine("Exception while attempting to leave: ", e.Message);
                        Console.WriteLine(e.StackTrace);
                    }
                }
                else if (splitCmd[0] == "j")
                {
                    var newname = (splitCmd.Length < 2 || string.IsNullOrEmpty(splitCmd[1])) ? null : splitCmd[1];
                    if (!string.IsNullOrEmpty(newname))
                    {
                        try
                        {
                            Console.WriteLine(contractClient.State.ToString());
                            contractClient.Join(newname);
                            name = newname;
                        }
                        catch (Exception e)
                        {
                            Console.WriteLine($"Exception while attempting to join as {newname}: ", e.Message);
                            Console.WriteLine(e.StackTrace);
                        }
                    }
                    else
                    {
                        Console.WriteLine("Name should not be left empty on a join request");
                    }
                }
                else if (splitCmd[0] == "p")
                {
                    if (!string.IsNullOrEmpty(name))
                    {
                        var msg = (splitCmd.Length < 2 || string.IsNullOrEmpty(splitCmd[1])) ? null : splitCmd[1];
                        if (!string.IsNullOrEmpty(msg))
                        {
                            try
                            {
                                Console.WriteLine(contractClient.State.ToString());
                                contractClient.Ping(msg);
                            }
                            catch (Exception e)
                            {
                                Console.WriteLine($"Exception attempting to ping with msg: {msg}: ", e.Message);
                                Console.WriteLine(e.StackTrace);
                            }
                        }
                        else
                        {
                            Console.WriteLine("Message cannot be left empty on a ping request");
                        }
                    }
                    else
                    {
                        Console.WriteLine("Must join the server before sending a ping request");
                    }
                }
                else
                {
                    Console.WriteLine("Unrecognized command");
                }
            }
            try
            {
                Console.WriteLine(contractClient.State.ToString());
                contractClient.Close();
            }
            catch (Exception e)
            {
                Console.WriteLine("Exception attempt to close out the client: ", e.Message);
                Console.WriteLine(e.StackTrace);
            }
        }