/// <summary>
/// 开始监听
/// </summary>
/// <returns></returns>
private async void StartListeningAsync()
{
if (_isListening)
{
return;
}
_isListening = true;
while (ClientWebSocket.State == WebSocketState.Open)
{
byte[] serverByteArray = new byte[655300000];
ArraySegment <byte> buffer = new ArraySegment <byte>(serverByteArray);
WebSocketReceiveResult wsData;
try
{
wsData = await ClientWebSocket.ReceiveAsync(buffer, _cancellationToken);
if (wsData == null)
{
MateralDotNettyException materalDotNettyException = new MateralDotNettyException("未获取到服务器数据");
OnException?.Invoke(materalDotNettyException);
}
}
catch (Exception exception)
{
if (_isManualClose)
{
return;
}
await StopAsync(false);
OnSubMessage?.Invoke("与服务器断开连接", "重要");
OnException?.Invoke(exception);
OnClose?.Invoke();
_isListening = false;
continue;
}
try
{
string eventJson = GetEventJson(serverByteArray, wsData);
try
{
await HandlerMessageAsync(eventJson);
}
catch (Exception exception)
{
OnSubMessage?.Invoke("处理事件出现错误", "重要");
OnSubMessage?.Invoke(eventJson, "重要");
OnException?.Invoke(exception);
}
}
catch (Exception exception)
{
OnSubMessage?.Invoke("处理事件出现错误", "重要");
OnSubMessage?.Invoke("事件数据反序列化失败", "重要");
OnException?.Invoke(exception);
}
}
_isListening = false;
}
public async Task SendCommandAsync(ICommand command)
{
if (ClientWebSocket.State != WebSocketState.Open)
{
var exception = new MateralDotNettyException("未与服务器连接，不能发送命令");
OnException?.Invoke(exception);
return;
}
string commandJson = command.ToJson();
byte[] byteArray = _clientConfig.EncodingType.GetBytes(commandJson);
var buffer = new ArraySegment <byte>(byteArray);
await ClientWebSocket.SendAsync(buffer, WebSocketMessageType.Text, true, _cancellationToken);
}
public async Task ReconnectionAsync()
{
if (_clientConfig.ReconnectionNumber > 0 && _reconnectionNumber >= _clientConfig.ReconnectionNumber)
{
var exception = new MateralDotNettyException($"已连接失败{_reconnectionNumber}次，请联系管理员。");
OnException?.Invoke(exception);
await StopAsync();
throw exception;
}
if (_clientConfig.ReconnectionInterval < 1000)
{
throw new MateralDotNettyException("至少等待1000ms");
}
if (_isManualClose)
{
return;
}
OnSubMessage?.Invoke($"[{_reconnectionNumber + 1}]WebSocketClient将在{_clientConfig.ReconnectionInterval / 1000f:N2}秒后重新连接....", "重要");
await Task.Delay(_clientConfig.ReconnectionInterval, _cancellationToken);
_reconnectionNumber++;
await StartAsync();
}
