private static void PrepareCommonData(string sessionId)
{
if (common_data_size > 0)
{
#if HPCPACK
byte[] common_data = new byte[common_data_size];
Random r = new Random();
r.NextBytes(common_data);
commonData_dataClientId = sessionId.ToString();
Log("Begin to write common data.");
data.CreateDataClientStart = DateTime.Now;
using (DataClient dataClient = DataClient.Create(headnode, commonData_dataClientId, null, !onDemand))
{
data.CreateDataClientEnd = DateTime.Now;
dataClient.SetDataLifeCycle(new DataLifeCycle(sessionId));
data.WriteDataClientStart = DateTime.Now;
dataClient.WriteRawBytesAll(common_data, common_data_compress);
data.WriteDataClientEnd = DateTime.Now;
dataClient.Close();
}
Log("Common data written done.");
#else
throw new NotSupportedException("No common data support yet.");
#endif
}
else
{
Log("Common data size is 0, skip creating common data.");
}
}
internal void Init(ConfigEntity config)
{
try
{
if (null == client)
{
client = new DataClient(ushort.MaxValue);
client.DataReceived += new DataReceived(client_DataReceived);
client.MessageReceived += new MessageReceived(client_MessageReceived);
client.Disconnected += new EventHandler(client_Disconnected);
}
if (client.Connected)
{
client.Close();
}
iotConfig = config;
}
catch (Exception ex)
{
NLogHelper.ExceptionInfo(ex, "InitClientException:{0}", ex.Message);
}
}
private void GetClicked(object sender, RoutedEventArgs e)
{
var client = new DataClient();
int i = int.Parse(param.Text);
var trades = client.GetData(i);
result.Content = string.Empty;
foreach (var t in trades)
{
result.Content += string.Format("{0}: {1} £{2} of {3}\n", t.ID, t.IsBuy ? "Buy" : "Sell", t.Amount, t.MarketName);
}
client.Close();
}
// So, the algorithm is next:
// client connects with login and password -> server check credentials,
//// if exist => generate token, add it to db and send to client,
//// if not exist => send message with error
// all user actions need a token to complete
// then user send message -> server takes it -> add to db
// and then clients should request new updates
public void Process()
{
try
{
bool done = false;
while (!done)
{
var request = client.ReadMessage();
switch (request.Command !)
{
case Command.Login: Login(request); break;
case Command.Logout: done = true; break;
case Command.Register: Register(request); break;
case Command.SendMessage: SendMessage(request); break;
case Command.GetMessages: GetMessage(request); break;
case Command.GetMessagesFromTimestamp:
GetMessagesFromTimestamp(request); break;
case Command.SendFile: SendFile(request); break;
case Command.GetFile: GetFile(request); break;
default: UnknownCommand(); break;
}
}
}
catch (Exception ex)
{
//throw;
Logger.Exception($"{ex.GetType()}: {ex.Message}");
}
finally
{
if (_user != null)
{
Logout();
}
client.Close();
Active = false;
Logger.Info($"Client <{User?.UserId.ToString() ?? "00000000-0000-0000-0000-000000000000"}> disconnected.");
}
}
