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242 changes: 121 additions & 121 deletions
242
Pusher.Connections.WindowsStore/WebSocket.cs → ...tions.WindowsStore/WebSocketConnection.cs
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,122 +1,122 @@ | ||
| using System; | ||
| using System.Diagnostics; | ||
| using System.Threading.Tasks; | ||
| using Pusher.Events; | ||
| using Windows.Networking.Sockets; | ||
| using Windows.Storage.Streams; | ||
|
|
||
| namespace Pusher.Connections.WindowsStore | ||
| { | ||
| public class WebSocket : IConnection, IDisposable | ||
| { | ||
| private MessageWebSocket _socket; | ||
| private DataWriter _messageWriter; | ||
| private readonly Uri _endpoint; | ||
| private ConnectionState _connectionState; | ||
|
|
||
| public WebSocket(Uri endpoint) | ||
| { | ||
| _endpoint = endpoint; | ||
| SetupSocket(); | ||
| } | ||
|
|
||
| private void SetupSocket() | ||
| { | ||
| _socket = new MessageWebSocket(); | ||
| _socket.Control.MessageType = SocketMessageType.Utf8; | ||
| _socket.Closed += OnSocketClosed; | ||
| _socket.MessageReceived += OnMessageReceived; | ||
| } | ||
|
|
||
| private async void OnMessageReceived(MessageWebSocket sender, MessageWebSocketMessageReceivedEventArgs args) | ||
| { | ||
| if (OnData == null) return; | ||
|
|
||
| var exceptionOccured = false; | ||
| try | ||
| { | ||
| var reader = args.GetDataReader(); | ||
| var text = reader.ReadString(reader.UnconsumedBufferLength); | ||
| OnData(sender, new DataReceivedEventArgs { TextData = text }); | ||
| } | ||
| catch (Exception) | ||
| { | ||
| exceptionOccured = true; | ||
| } | ||
| // cannot await in catch | ||
| if (exceptionOccured) await Reconnect(); | ||
| } | ||
|
|
||
| private async Task Reconnect() | ||
| { | ||
| if (_connectionState == ConnectionState.Connecting || _connectionState == ConnectionState.Connected) return; | ||
|
|
||
| SetupSocket(); | ||
| await Open(); | ||
| } | ||
|
|
||
| private async void OnSocketClosed(IWebSocket sender, WebSocketClosedEventArgs args) | ||
| { | ||
| _messageWriter = null; | ||
| if (_connectionState != ConnectionState.Disconnecting) | ||
| { | ||
| await Reconnect(); | ||
| } | ||
| _connectionState = ConnectionState.Disconnected; | ||
| if (OnClose != null) OnClose(sender, new EventArgs()); | ||
| } | ||
|
|
||
| #region Implementation of IConnection | ||
|
|
||
| public void Close() | ||
| { | ||
| _connectionState = ConnectionState.Disconnecting; | ||
| _socket.Close(1000, "Close requested"); | ||
| _connectionState = ConnectionState.Disconnected; | ||
| } | ||
|
|
||
| public async Task Open() | ||
| { | ||
| if (_connectionState == ConnectionState.Connected) | ||
| { | ||
| Close(); | ||
| SetupSocket(); | ||
| } | ||
| _connectionState = ConnectionState.Connecting; | ||
| await _socket.ConnectAsync(_endpoint); | ||
| _messageWriter = new DataWriter(_socket.OutputStream); | ||
| _connectionState = ConnectionState.Connected; | ||
| if (OnOpen != null) | ||
| { | ||
| OnOpen(this, new EventArgs()); | ||
| } | ||
| } | ||
|
|
||
| public async Task SendMessage(string data) | ||
| { | ||
| if (_messageWriter == null) | ||
| { | ||
| await Open(); | ||
| } | ||
| Debug.Assert(_messageWriter != null); | ||
|
|
||
| _messageWriter.WriteString(data); | ||
| await _messageWriter.StoreAsync(); | ||
| } | ||
|
|
||
| public event EventHandler<EventArgs> OnClose; | ||
| public event EventHandler<EventArgs> OnOpen; | ||
| public event EventHandler<DataReceivedEventArgs> OnData; | ||
|
|
||
| #endregion | ||
|
|
||
| #region Implementation of IDisposable | ||
|
|
||
| public void Dispose() | ||
| { | ||
| _socket.Dispose(); | ||
| } | ||
|
|
||
| #endregion | ||
| } | ||
| using System; | ||
| using System.Diagnostics; | ||
| using System.Threading.Tasks; | ||
| using Pusher.Events; | ||
| using Windows.Networking.Sockets; | ||
| using Windows.Storage.Streams; | ||
|
|
||
| namespace Pusher.Connections.WindowsStore | ||
| { | ||
| public class WebSocketConnection : IConnection, IDisposable | ||
| { | ||
| private MessageWebSocket _socket; | ||
| private DataWriter _messageWriter; | ||
| private readonly Uri _endpoint; | ||
| private ConnectionState _connectionState; | ||
|
|
||
| public WebSocketConnection(Uri endpoint) | ||
| { | ||
| _endpoint = endpoint; | ||
| SetupSocket(); | ||
| } | ||
|
|
||
| private void SetupSocket() | ||
| { | ||
| _socket = new MessageWebSocket(); | ||
| _socket.Control.MessageType = SocketMessageType.Utf8; | ||
| _socket.Closed += OnSocketClosed; | ||
| _socket.MessageReceived += OnMessageReceived; | ||
| } | ||
|
|
||
| private async void OnMessageReceived(MessageWebSocket sender, MessageWebSocketMessageReceivedEventArgs args) | ||
| { | ||
| if (OnData == null) return; | ||
|
|
||
| var exceptionOccured = false; | ||
| try | ||
| { | ||
| var reader = args.GetDataReader(); | ||
| var text = reader.ReadString(reader.UnconsumedBufferLength); | ||
| OnData(sender, new DataReceivedEventArgs { TextData = text }); | ||
| } | ||
| catch (Exception) | ||
| { | ||
| exceptionOccured = true; | ||
| } | ||
| // cannot await in catch | ||
| if (exceptionOccured) await Reconnect(); | ||
| } | ||
|
|
||
| private async Task Reconnect() | ||
| { | ||
| if (_connectionState == ConnectionState.Connecting || _connectionState == ConnectionState.Connected) return; | ||
|
|
||
| SetupSocket(); | ||
| await Open(); | ||
| } | ||
|
|
||
| private async void OnSocketClosed(IWebSocket sender, WebSocketClosedEventArgs args) | ||
| { | ||
| _messageWriter = null; | ||
| if (_connectionState != ConnectionState.Disconnecting) | ||
| { | ||
| await Reconnect(); | ||
| } | ||
| _connectionState = ConnectionState.Disconnected; | ||
| if (OnClose != null) OnClose(sender, new EventArgs()); | ||
| } | ||
|
|
||
| #region Implementation of IConnection | ||
|
|
||
| public void Close() | ||
| { | ||
| _connectionState = ConnectionState.Disconnecting; | ||
| _socket.Close(1000, "Close requested"); | ||
| _connectionState = ConnectionState.Disconnected; | ||
| } | ||
|
|
||
| public async Task Open() | ||
| { | ||
| if (_connectionState == ConnectionState.Connected) | ||
| { | ||
| Close(); | ||
| SetupSocket(); | ||
| } | ||
| _connectionState = ConnectionState.Connecting; | ||
| await _socket.ConnectAsync(_endpoint); | ||
| _messageWriter = new DataWriter(_socket.OutputStream); | ||
| _connectionState = ConnectionState.Connected; | ||
| if (OnOpen != null) | ||
| { | ||
| OnOpen(this, new EventArgs()); | ||
| } | ||
| } | ||
|
|
||
| public async Task SendMessage(string data) | ||
| { | ||
| if (_messageWriter == null) | ||
| { | ||
| await Open(); | ||
| } | ||
| Debug.Assert(_messageWriter != null); | ||
|
|
||
| _messageWriter.WriteString(data); | ||
| await _messageWriter.StoreAsync(); | ||
| } | ||
|
|
||
| public event EventHandler<EventArgs> OnClose; | ||
| public event EventHandler<EventArgs> OnOpen; | ||
| public event EventHandler<DataReceivedEventArgs> OnData; | ||
|
|
||
| #endregion | ||
|
|
||
| #region Implementation of IDisposable | ||
|
|
||
| public void Dispose() | ||
| { | ||
| _socket.Dispose(); | ||
| } | ||
|
|
||
| #endregion | ||
| } | ||
| } |
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