public static async Task <Object> SendRequestAsync(Object subrequest, RequestType type, ResponseType resptype)
{
if (!client.Connected)
{
return(null);
}
if (connectionTimeout.Elapsed.TotalSeconds > 300)
{
Disconnect();
await Connect();
}
Request request = new Request()
{
Username = SettingsManager.Username, Content = subrequest, SessionId = SettingsManager.AuthKey, Type = type
};
string message = JsonConvert.SerializeObject(request);
try
{
NetworkStream serverStream = client.GetStream();
byte[] buffer = Encoding.UTF8.GetBytes(message);
serverStream.Write(buffer, 0, buffer.Length);
}
catch (Exception)
{
AppNotificationManager.PushMessage(new AppNotification()
{
Message = "Connection Error. Reconnect."
});
}
return(await GetResponse(resptype));
}
public async static Task <bool> Connect()
{
try
{
client = new TcpClient();
await client.ConnectAsync(serverAddress, portAddress);
connectionTimeout.Start();
}
catch (Exception)
{
}
AppNotificationManager.PushMessage(new AppNotification()
{
Message = String.Format("Server Connected : {0} ", client.Connected)
});
return(client.Connected);
}
private static async Task <Object> GetResponse(ResponseType resptype, bool useDefault = true)
{
TcpClient server = client;
if (!useDefault)
{
server = _backupClient;
}
string message = "";
try
{
var serverStream = server.GetStream();
serverStream.ReadTimeout = 10000;
byte[] receiveBuffer = new byte[65536];
await serverStream.ReadAsync(receiveBuffer, 0, 65535);
message = Encoding.UTF8.GetString(receiveBuffer).Trim('\0');
Response resp = JsonConvert.DeserializeObject <Response>(message);
if (resp.Type == resptype)
{
connectionTimeout.Restart();
return(resp.Content);
}
else
{
return(null);
}
}
catch (Exception)
{
if (useDefault) //sends message in case default connection is not responding <- exception to upload connection.
{
AppNotificationManager.PushMessage(new AppNotification()
{
Message = "No Response From Server."
});
}
}
return(null);
}
