public ClientWebSocket(System.String URL, System.TimeSpan PingInterval, System.Boolean AutomaticReconnection)
{
this.URL = URL;
this.PingInterval = PingInterval;
if ((this.PingInterval != System.TimeSpan.Zero) && (this.PingInterval.TotalSeconds < 1.0D))
{
throw new System.Exception("Invalid ping interval. The minimum value is 1 second.");
}
this.AutomaticReconnection = AutomaticReconnection;
this.Headers = new System.Collections.Generic.Dictionary <System.String, System.String>();
this._State = SoftmakeAll.SDK.Communication.ClientWebSocket.ConnectionStates.Disconnected;
this._LastState = SoftmakeAll.SDK.Communication.ClientWebSocket.ConnectionStates.Disconnected;
this._Latency = 0;
}
public async System.Threading.Tasks.Task StopAsync(System.Threading.CancellationToken CancellationToken = default)
{
this._ReconnectionTimer?.Change(System.Threading.Timeout.Infinite, 0);
switch (this.WebSocket.State)
{
case System.Net.WebSockets.WebSocketState.Open:
{
await this.WebSocket.CloseAsync(System.Net.WebSockets.WebSocketCloseStatus.NormalClosure, "", CancellationToken);
this.State = SoftmakeAll.SDK.Communication.ClientWebSocket.ConnectionStates.Disconnected;
break;
}
default:
break;
}
}
private void Reconnect(System.Object State)
{
if (this.WebSocket.State == System.Net.WebSockets.WebSocketState.Open)
{
System.String Message = $"{{\"ping\":{System.DateTimeOffset.UtcNow.ToUnixTimeMilliseconds()}}}";
/*
#if DEBUG
* System.Console.WriteLine(Message); // Debug Ping Messages
#endif
*/
this.WebSocket.SendAsync(new System.ArraySegment <System.Byte>(System.Text.Encoding.UTF8.GetBytes(Message)), System.Net.WebSockets.WebSocketMessageType.Text, true, System.Threading.CancellationToken.None).ConfigureAwait(false);
return;
}
if (this.WebSocket.State == System.Net.WebSockets.WebSocketState.Connecting)
{
return;
}
if (this._LastState != this._State)
{
this.State = SoftmakeAll.SDK.Communication.ClientWebSocket.ConnectionStates.Disconnected;
this.Closed?.Invoke(this.WebSocket.CloseStatus == System.Net.WebSockets.WebSocketCloseStatus.NormalClosure || this.WebSocket.CloseStatusDescription == null ? null : new System.Exception(this.WebSocket.CloseStatusDescription));
}
if ((!(this.AutomaticReconnection)) || (this.WebSocket.CloseStatus == System.Net.WebSockets.WebSocketCloseStatus.NormalClosure))
{
return;
}
this.WebSocket.Abort();
this.WebSocket.Dispose();
this.WebSocket = null;
try { this.StartAsync().ConfigureAwait(false); } catch { }
}
public async System.Threading.Tasks.Task StartAsync(System.Threading.CancellationToken CancellationToken = default)
{
if (this.WebSocket == null)
{
this.WebSocket = new System.Net.WebSockets.ClientWebSocket();
foreach (System.Collections.Generic.KeyValuePair <System.String, System.String> Header in this.Headers)
{
WebSocket.Options.SetRequestHeader(Header.Key, Header.Value);
}
if (this.PingInterval != System.TimeSpan.Zero)
{
WebSocket.Options.SetRequestHeader("pingInterval", this.PingInterval.TotalMilliseconds.ToString());
}
}
switch (this.WebSocket.State)
{
case System.Net.WebSockets.WebSocketState.Connecting:
case System.Net.WebSockets.WebSocketState.Open:
return;
default:
break;
}
if (!(this._IsReconnection))
{
this.State = SoftmakeAll.SDK.Communication.ClientWebSocket.ConnectionStates.Connecting;
}
else
{
this.Reconnecting?.Invoke(null);
this.State = SoftmakeAll.SDK.Communication.ClientWebSocket.ConnectionStates.Reconnecting;
}
try
{
await this.WebSocket.ConnectAsync(new System.Uri(this.URL), CancellationToken);
}
catch
{
this.State = SoftmakeAll.SDK.Communication.ClientWebSocket.ConnectionStates.Disconnected;
throw;
}
if (this.WebSocket.State != System.Net.WebSockets.WebSocketState.Open)
{
this.State = SoftmakeAll.SDK.Communication.ClientWebSocket.ConnectionStates.Disconnected;
return;
}
this.State = SoftmakeAll.SDK.Communication.ClientWebSocket.ConnectionStates.Connected;
if (this._IsReconnection)
{
this.Reconnected?.Invoke(null);
}
_ = System.Threading.Tasks.Task.Run(async() =>
{
const System.Int16 BufferSize = 512;
System.Net.WebSockets.WebSocketReceiveResult Result;
do
{
System.Collections.Generic.IEnumerable <System.Byte> Data = new System.Byte[] { };
do
{
System.Byte[] Buffer = new System.Byte[BufferSize];
Result = await this.WebSocket.ReceiveAsync(new System.ArraySegment <System.Byte>(Buffer), System.Threading.CancellationToken.None);
if (Result.MessageType == System.Net.WebSockets.WebSocketMessageType.Text)
{
Data = Data.Concat(Buffer);
}
}while (!(Result.EndOfMessage));
if ((Result.MessageType == System.Net.WebSockets.WebSocketMessageType.Text) && (this.ReceiveMessageAction != null))
{
System.String Message = System.Text.Encoding.UTF8.GetString(Data.SkipLast(BufferSize - Result.Count).ToArray());
if (!(Message.StartsWith("{\"pong\":")))
{
this.ReceiveMessageAction?.Invoke(Message);
}
else
{
System.Int64 ServerUnixTime = Message.ToJsonElement().GetInt64("pong");
this._Latency = ServerUnixTime > 0 ? System.DateTimeOffset.UtcNow.ToUnixTimeMilliseconds() - ServerUnixTime : 0;
/*
#if DEBUG
* System.Console.WriteLine(Message); // Debug Pong Messages
#endif
*/
}
}
else if (Result.MessageType == System.Net.WebSockets.WebSocketMessageType.Close)
{
this.State = SoftmakeAll.SDK.Communication.ClientWebSocket.ConnectionStates.Disconnected;
this.Closed?.Invoke(Result.CloseStatus == System.Net.WebSockets.WebSocketCloseStatus.NormalClosure || Result.CloseStatusDescription == null ? null : new System.Exception(Result.CloseStatusDescription));
}
}while (this.WebSocket.State == System.Net.WebSockets.WebSocketState.Open);
});
if ((!(this._IsReconnection)) && (this.PingInterval != System.TimeSpan.Zero))
{
this._ReconnectionTimer = new System.Threading.Timer(this.Reconnect, null, System.TimeSpan.Zero, this.PingInterval);
}
this._IsReconnection = true;
}
