/// <summary>
/// Send data subscription message
/// </summary>
/// <param name="mode">Mode</param>
/// <param name="tokens">Symbol tokens</param>
/// <param name="isSubscribe">Is data subscribe or unstubscribed. Default is subscribed</param>
/// <returns></returns>
private async Task SendMessageAsync(string mode, int[] tokens, bool isSubscribe = true)
{
if (tokens == null)
{
try
{
this.logger?.OnException(new ArgumentNullException("token is null"));
}
catch (Exception ex)
{
}
return;
}
if (string.IsNullOrWhiteSpace(mode))
{
try
{
this.logger?.OnException(new ArgumentNullException("mode is null"));
}
catch (Exception ex)
{
}
return;
}
Message<int[]> subscribeMsg = new Message<int[]>()
{
a = isSubscribe ? Message.subscribe : Message.unsubscribe,
v = tokens
};
string actionString = string.Empty;
try
{
actionString = subscribeMsg.Serialize();
}
catch (Exception ex)
{
try
{
this.logger?.OnException(ex);
}
catch (Exception ex1)
{
}
return;
}
if (string.IsNullOrEmpty(actionString))
{
try
{
this.logger?.OnException(new ArgumentNullException("action json string is null"));
}
catch (Exception ex)
{
}
return;
}
try
{
this.logger?.OnLog(actionString);
}
catch (Exception ex)
{
}
string modeMsgString = string.Empty;
if (isSubscribe)
{
Message<object[]> modeMsg = new Message<object[]>()
{
a = Message.mode,
v = new object[] { mode, tokens }
};
try
{
modeMsgString = modeMsg.Serialize();
}
catch (Exception ex)
{
try
{
this.logger?.OnException(ex);
}
catch (Exception ex1)
{
}
return;
}
if (string.IsNullOrEmpty(modeMsgString))
{
try
{
this.logger?.OnException(new ArgumentNullException("Mode json string is null"));
}
catch (Exception ex)
{
}
return;
}
try
{
this.logger?.OnLog(modeMsgString);
}
catch (Exception ex)
{
}
}
try
{
await this.socket.SendAsync(new ArraySegment<byte>(Encoding.UTF8.GetBytes(actionString)), WebSocketMessageType.Text, true, CancellationToken.None).ConfigureAwait(false); //send the subscription msg
if (isSubscribe)
{
await this.socket.SendAsync(new ArraySegment<byte>(Encoding.UTF8.GetBytes(modeMsgString)), WebSocketMessageType.Text, true, CancellationToken.None).ConfigureAwait(false); //send the mode msg
}
}
catch (Exception ex)
{
try
{
this.logger?.OnException(ex);
}
catch (Exception ex1)
{
}
}
}
private async void Timer_Elapsed(object sender, System.Timers.ElapsedEventArgs e)
{
if (this.isTimerBusy)
return;
this.isTimerBusy = true;
if (this.socket?.State != WebSocketState.Open)
{
try
{
this.logger?.OnLog($"Connection state = {this.socket?.State}");
}
catch (Exception ex)
{
}
}
if (this.socket?.State == WebSocketState.Aborted)
//if (this.lastUpdateTime.AddSeconds(this.reconnectionTime * 20) < DateTime.UtcNow) //Abort state can take some time. Alt will be check time
{
OnState(KiteConnectState.ConnectionLost);
this.logger?.OnLog($"SocketState ={this.socket?.State} ....");
try
{
await ConnectAsync().ConfigureAwait(false);
}
catch (Exception ex)
{
try
{
this.logger?.OnException(ex);
}
catch (Exception ex1)
{
}
}
this.isTimerBusy = false;
return;
}
List<Message<int[]>> tmp = new List<Message<int[]>>();
lock (locker)
{
for (int i = 0; i < this.queue.Count; i++)
{
tmp.Add(this.queue.Dequeue());
}
}
for (int i = 0; i < tmp.Count; i++)
{
if (this.socket?.State != WebSocketState.Open)
break;
Message<int[]> message = tmp[i];
if (message == null)
continue;
await this.SendMessageAsync(message.a, message.v, message.IsSubscribe).ConfigureAwait(false);
}
this.isTimerBusy = false;
}