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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,367 @@ | ||
| using System; | ||
| using System.Net.Sockets; | ||
| using System.Threading; | ||
| using TcpClient = NetCoreServer.TcpClient; | ||
|
|
||
| namespace TcpChatClient | ||
| { | ||
| public class TcpProtoClient : TcpClient | ||
| { | ||
| public TcpProtoClient(string address, int port) : base(address, port) {} | ||
|
|
||
| public bool ConnectAndStart() | ||
| { | ||
| Console.WriteLine($"TCP protocol client starting a new session with Id '{Id}'..."); | ||
|
|
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| StartReconnectTimer(); | ||
| return ConnectAsync(); | ||
| } | ||
|
|
||
| public bool DisconnectAndStop() | ||
| { | ||
| Console.WriteLine($"TCP protocol client stopping the session with Id '{Id}'..."); | ||
|
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| StopReconnectTimer(); | ||
| DisconnectAsync(); | ||
| return true; | ||
| } | ||
|
|
||
| public override bool Reconnect() | ||
| { | ||
| return ReconnectAsync(); | ||
| } | ||
|
|
||
| private Timer _reconnectTimer; | ||
|
|
||
| public void StartReconnectTimer() | ||
| { | ||
| // Start the reconnect timer | ||
| _reconnectTimer = new Timer(state => | ||
| { | ||
| Console.WriteLine($"TCP reconnect timer connecting the client session with Id '{Id}'..."); | ||
| ConnectAsync(); | ||
| }, null, Timeout.InfiniteTimeSpan, Timeout.InfiniteTimeSpan); | ||
| } | ||
|
|
||
| public void StopReconnectTimer() | ||
| { | ||
| // Stop the reconnect timer | ||
| _reconnectTimer?.Dispose(); | ||
| _reconnectTimer = null; | ||
| } | ||
|
|
||
| public delegate void ConnectedHandler(); | ||
| public event ConnectedHandler Connected = () => {}; | ||
|
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||
| protected override void OnConnected() | ||
| { | ||
| Console.WriteLine($"TCP protocol client connected a new session with Id '{Id}' to remote address '{Address}' and port {Port}"); | ||
|
|
||
| Connected?.Invoke(); | ||
| } | ||
|
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||
| public delegate void DisconnectedHandler(); | ||
| public event DisconnectedHandler Disconnected = () => {}; | ||
|
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||
| protected override void OnDisconnected() | ||
| { | ||
| Console.WriteLine($"TCP protocol client disconnected the session with Id '{Id}'"); | ||
|
|
||
| // Setup and asynchronously wait for the reconnect timer | ||
| _reconnectTimer?.Change(TimeSpan.FromSeconds(1), Timeout.InfiniteTimeSpan); | ||
|
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| Disconnected?.Invoke(); | ||
| } | ||
|
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||
| public delegate void ReceivedHandler(byte[] buffer, long offset, long size); | ||
| public event ReceivedHandler Received = (buffer, offset, size) => {}; | ||
|
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||
| protected override void OnReceived(byte[] buffer, long offset, long size) | ||
| { | ||
| Received?.Invoke(buffer, offset, size); | ||
| } | ||
|
|
||
| protected override void OnError(SocketError error) | ||
| { | ||
| Console.WriteLine($"TCP protocol client caught a socket error: {error}"); | ||
| } | ||
|
|
||
| #region IDisposable implementation | ||
|
|
||
| // Disposed flag. | ||
| private bool _disposed; | ||
|
|
||
| protected override void Dispose(bool disposingManagedResources) | ||
| { | ||
| if (!_disposed) | ||
| { | ||
| if (disposingManagedResources) | ||
| { | ||
| // Dispose managed resources here... | ||
| StopReconnectTimer(); | ||
| } | ||
|
|
||
| // Dispose unmanaged resources here... | ||
|
|
||
| // Set large fields to null here... | ||
|
|
||
| // Mark as disposed. | ||
| _disposed = true; | ||
| } | ||
|
|
||
| // Call Dispose in the base class. | ||
| base.Dispose(disposingManagedResources); | ||
| } | ||
|
|
||
| // The derived class does not have a Finalize method | ||
| // or a Dispose method without parameters because it inherits | ||
| // them from the base class. | ||
|
|
||
| #endregion | ||
| } | ||
|
|
||
| public class SimpleProtoClient : FBE.simple.Client, FBE.simple.ISenderListener, FBE.simple.IReceiverListener, IDisposable | ||
| { | ||
| private readonly TcpProtoClient _tcpProtoClient; | ||
|
|
||
| public Guid Id => _tcpProtoClient.Id; | ||
| public bool IsConnected => _tcpProtoClient.IsConnected; | ||
|
|
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| public SimpleProtoClient(string address, int port) | ||
| { | ||
| _tcpProtoClient = new TcpProtoClient(address, port); | ||
| _tcpProtoClient.Connected += OnConnected; | ||
| _tcpProtoClient.Disconnected += OnDisconnected; | ||
| _tcpProtoClient.Received += OnReceived; | ||
| ReceivedResponse_DisconnectRequest += HandleDisconnectRequest; | ||
| ReceivedResponse_SimpleResponse += HandleSimpleResponse; | ||
| ReceivedResponse_SimpleReject += HandleSimpleReject; | ||
| ReceivedResponse_SimpleNotify += HandleSimpleNotify; | ||
| } | ||
|
|
||
| private void DisposeClient() | ||
| { | ||
| _tcpProtoClient.Connected -= OnConnected; | ||
| _tcpProtoClient.Connected -= OnDisconnected; | ||
| _tcpProtoClient.Received -= OnReceived; | ||
| ReceivedResponse_DisconnectRequest -= HandleDisconnectRequest; | ||
| ReceivedResponse_SimpleResponse -= HandleSimpleResponse; | ||
| ReceivedResponse_SimpleReject -= HandleSimpleReject; | ||
| ReceivedResponse_SimpleNotify -= HandleSimpleNotify; | ||
| _tcpProtoClient.Dispose(); | ||
| } | ||
|
|
||
| public bool ConnectAndStart() { return _tcpProtoClient.ConnectAndStart(); } | ||
| public bool DisconnectAndStop() { return _tcpProtoClient.DisconnectAndStop(); } | ||
| public bool Reconnect() { return _tcpProtoClient.Reconnect(); } | ||
|
|
||
| private bool _watchdog; | ||
| private Thread _watchdogThread; | ||
|
|
||
| public bool StartWatchdog() | ||
| { | ||
| if (_watchdog) | ||
| return false; | ||
|
|
||
| Console.WriteLine("Watchdog thread starting..."); | ||
|
|
||
| // Start the watchdog thread | ||
| _watchdog = true; | ||
| _watchdogThread = new Thread(WatchdogThread); | ||
|
|
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| Console.WriteLine("Watchdog thread started!"); | ||
|
|
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| return true; | ||
| } | ||
|
|
||
| public bool StopWatchdog() | ||
| { | ||
| if (!_watchdog) | ||
| return false; | ||
|
|
||
| Console.WriteLine("Watchdog thread stopping..."); | ||
|
|
||
| // Stop the watchdog thread | ||
| _watchdog = false; | ||
| _watchdogThread.Join(); | ||
|
|
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| Console.WriteLine("Watchdog thread stopped!"); | ||
|
|
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| return true; | ||
| } | ||
|
|
||
| public static void WatchdogThread(object obj) | ||
| { | ||
| var instance = obj as SimpleProtoClient; | ||
| if (instance == null) | ||
| return; | ||
|
|
||
| try | ||
| { | ||
| // Watchdog loop... | ||
| while (instance._watchdog) | ||
| { | ||
| var utc = DateTime.UtcNow; | ||
|
|
||
| // Watchdog the client | ||
| instance.Watchdog(utc); | ||
|
|
||
| // Sleep for a while... | ||
| Thread.Sleep(1000); | ||
| } | ||
| } | ||
| catch (Exception e) | ||
| { | ||
| Console.WriteLine($"Config client watchdog thread terminated: {e}"); | ||
| } | ||
| } | ||
|
|
||
| #region Connection handlers | ||
|
|
||
| public delegate void ConnectedHandler(); | ||
| public event ConnectedHandler Connected = () => {}; | ||
|
|
||
| private void OnConnected() | ||
| { | ||
| // Reset FBE protocol buffers | ||
| Reset(); | ||
|
|
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| Connected?.Invoke(); | ||
| } | ||
|
|
||
| public delegate void DisconnectedHandler(); | ||
| public event DisconnectedHandler Disconnected = () => {}; | ||
|
|
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| private void OnDisconnected() | ||
| { | ||
| Disconnected?.Invoke(); | ||
| } | ||
|
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||
| public long OnSend(byte[] buffer, long offset, long size) | ||
| { | ||
| return _tcpProtoClient.SendAsync(buffer, offset, size) ? size : 0; | ||
| } | ||
|
|
||
| public void OnReceived(byte[] buffer, long offset, long size) | ||
| { | ||
| Receive(buffer, offset, size); | ||
| } | ||
|
|
||
| #endregion | ||
|
|
||
| #region Protocol handlers | ||
|
|
||
| private void HandleDisconnectRequest(simple.DisconnectRequest request) { Console.WriteLine($"Received: {request}"); _tcpProtoClient.DisconnectAsync(); } | ||
| private void HandleSimpleResponse(simple.SimpleResponse response) { Console.WriteLine($"Received: {response}"); } | ||
| private void HandleSimpleReject(simple.SimpleReject reject) { Console.WriteLine($"Received: {reject}"); } | ||
| private void HandleSimpleNotify(simple.SimpleNotify notify) { Console.WriteLine($"Received: {notify}"); } | ||
|
|
||
| #endregion | ||
|
|
||
| #region IDisposable implementation | ||
|
|
||
| // Disposed flag. | ||
| private bool _disposed; | ||
|
|
||
| // Implement IDisposable. | ||
| public void Dispose() | ||
| { | ||
| Dispose(true); | ||
| GC.SuppressFinalize(this); | ||
| } | ||
|
|
||
| protected virtual void Dispose(bool disposingManagedResources) | ||
| { | ||
| // The idea here is that Dispose(Boolean) knows whether it is | ||
| // being called to do explicit cleanup (the Boolean is true) | ||
| // versus being called due to a garbage collection (the Boolean | ||
| // is false). This distinction is useful because, when being | ||
| // disposed explicitly, the Dispose(Boolean) method can safely | ||
| // execute code using reference type fields that refer to other | ||
| // objects knowing for sure that these other objects have not been | ||
| // finalized or disposed of yet. When the Boolean is false, | ||
| // the Dispose(Boolean) method should not execute code that | ||
| // refer to reference type fields because those objects may | ||
| // have already been finalized." | ||
|
|
||
| if (!_disposed) | ||
| { | ||
| if (disposingManagedResources) | ||
| { | ||
| // Dispose managed resources here... | ||
| DisposeClient(); | ||
| } | ||
|
|
||
| // Dispose unmanaged resources here... | ||
|
|
||
| // Set large fields to null here... | ||
|
|
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| // Mark as disposed. | ||
| _disposed = true; | ||
| } | ||
| } | ||
|
|
||
| #endregion | ||
| } | ||
|
|
||
| class Program | ||
| { | ||
| static void Main(string[] args) | ||
| { | ||
| // Simple protocol server address | ||
| string address = "127.0.0.1"; | ||
| if (args.Length > 0) | ||
| address = args[0]; | ||
|
|
||
| // Simple protocol server port | ||
| int port = 4444; | ||
| if (args.Length > 1) | ||
| port = int.Parse(args[1]); | ||
|
|
||
| Console.WriteLine($"Simple protocol server address: {address}"); | ||
| Console.WriteLine($"Simple protocol server port: {port}"); | ||
|
|
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| Console.WriteLine(); | ||
|
|
||
| // Create a new simple protocol chat client | ||
| var client = new SimpleProtoClient(address, port); | ||
|
|
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| // Connect the client | ||
| Console.Write("Client connecting..."); | ||
| client.ConnectAndStart(); | ||
| Console.WriteLine("Done!"); | ||
|
|
||
| Console.WriteLine("Press Enter to stop the client or '!' to reconnect the client..."); | ||
|
|
||
| // Perform text input | ||
| for (;;) | ||
| { | ||
| string line = Console.ReadLine(); | ||
| if (string.IsNullOrEmpty(line)) | ||
| break; | ||
|
|
||
| // Disconnect the client | ||
| if (line == "!") | ||
| { | ||
| Console.Write("Client disconnecting..."); | ||
| client.Reconnect(); | ||
| Console.WriteLine("Done!"); | ||
| continue; | ||
| } | ||
|
|
||
| // Send request to the simple protocol server | ||
| simple.SimpleRequest request = simple.SimpleRequest.Default; | ||
| request.Message = line; | ||
| var response = client.Request(request).Result; | ||
|
|
||
| // Show string hash calculation result | ||
| Console.WriteLine($"Hash of '{line}' = 0x{response.Hash:X8}"); | ||
| } | ||
|
|
||
| // Disconnect the client | ||
| Console.Write("Client disconnecting..."); | ||
| client.DisconnectAndStop(); | ||
| Console.WriteLine("Done!"); | ||
| } | ||
| } | ||
| } |
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