internal void OnOrderCancelled(Order order, bool queued = true)
{
var e = new OnOrderCancelled(order);
if (queued)
{
this.queue.Enqueue(e);
}
else
{
OnEvent(e);
}
}
private void Listen(SslStream sslStream)
{
while (!isShutdown)
{
//Read the message into a proto message
Thread.Sleep(1);
byte[] _length = new byte[sizeof(int)];
int readBytes = 0;
do
{
Thread.Sleep(0);
readBytes += sslStream.Read(_length, readBytes, _length.Length - readBytes);
} while (readBytes < _length.Length);
int length = BitConverter.ToInt32(_length.Reverse().ToArray(), 0);
if (length <= 0)
{
continue;
}
if (length > MaxMessageSize)
{
string exceptionMsg = "Message length " + length.ToString() + " is out of range (0 - " + MaxMessageSize.ToString() + ")";
throw new System.IndexOutOfRangeException();
}
byte[] _message = new byte[length];
readBytes = 0;
do
{
Thread.Sleep(0);
readBytes += sslStream.Read(_message, readBytes, _message.Length - readBytes);
} while (readBytes < length);
var msgFactory = new OpenApiMessagesFactory();
var protoMessage = msgFactory.GetMessage(_message);
//recieved a msg so show View connection is still alive
HeartBeatHandler?.Invoke();
if (protoMessage.PayloadType > 49 && protoMessage.PayloadType < 54)
{
switch ((ProtoPayloadType)protoMessage.PayloadType)
{
case ProtoPayloadType.ERROR_RES:
ErrorHandler?.Invoke(protoMessage.ToString());
break;
case ProtoPayloadType.HEARTBEAT_EVENT:
//heartbeat Event
HeartBeatHandler?.Invoke();
break;
case ProtoPayloadType.PING_REQ:
MessageHandler?.Invoke("Ping req");
break;
case ProtoPayloadType.PING_RES:
MessageHandler?.Invoke("Ping res");
break;
}
}
else
{
//check what the message type is and perform the relevant operations
switch ((ProtoOAPayloadType)protoMessage.PayloadType)
{
case ProtoOAPayloadType.PROTO_OA_ERROR_RES:
//an error has been received
var error = ProtoOAErrorRes.CreateBuilder().MergeFrom(protoMessage.Payload).Build();
ErrorHandler?.Invoke("Proto message error " + error.ErrorCode + " " + error.Description);
break;
case ProtoOAPayloadType.PROTO_OA_ORDER_ERROR_EVENT:
//an error with an order has been found
var orderError = ProtoOAOrderErrorEvent.CreateBuilder().MergeFrom(protoMessage.Payload).Build();
OnTradeFail?.Invoke(orderError.CtidTraderAccountId, "Trade Failed: " + orderError.ErrorCode + " " + orderError.Description);
break;
case ProtoOAPayloadType.PROTO_OA_EXECUTION_EVENT:
var executionEvent = ProtoOAExecutionEvent.CreateBuilder().MergeFrom(protoMessage.Payload).Build();
if (executionEvent.ExecutionType == ProtoOAExecutionType.ORDER_ACCEPTED)
{
if (executionEvent.Order.OrderType == ProtoOAOrderType.MARKET)
{
if (executionEvent.Order.ClosingOrder)
{
OnOrderAccepted?.Invoke(executionEvent.Order.ClientOrderId, executionEvent.Order.PositionId, true);
}
else
{
OnOrderAccepted?.Invoke(executionEvent.Order.ClientOrderId, executionEvent.Order.PositionId, false);
}
}
else if (executionEvent.Order.OrderType == ProtoOAOrderType.STOP_LOSS_TAKE_PROFIT)
{
OnStopTargetAccepted?.Invoke(executionEvent.Order.ClientOrderId, executionEvent.Order.PositionId);
}
}
else if (executionEvent.ExecutionType == ProtoOAExecutionType.ORDER_FILLED)
{
if (executionEvent.Order.ClosingOrder)
{
OnOrderFilled?.Invoke(executionEvent.Order.ClientOrderId, executionEvent.Order.PositionId, executionEvent.Order.ExecutedVolume, true);
}
else
{
OnOrderFilled?.Invoke(executionEvent.Order.ClientOrderId, executionEvent.Order.PositionId, executionEvent.Order.ExecutedVolume, false);
}
}
else if (executionEvent.ExecutionType == ProtoOAExecutionType.ORDER_CANCELLED)
{
OnOrderCancelled?.Invoke(executionEvent.Order.ClientOrderId, executionEvent.Order.PositionId);
}
break;
case ProtoOAPayloadType.PROTO_OA_ACCOUNT_AUTH_RES:
//auth has been recieved for the account
var auth = ProtoOAAccountAuthRes.CreateBuilder().MergeFrom(protoMessage.Payload).Build();
OnAccountAuthorised?.Invoke(auth.CtidTraderAccountId);
break;
case ProtoOAPayloadType.PROTO_OA_APPLICATION_AUTH_RES:
//Application has been authorised so continue the connection to get account and symbol data
MessageHandler?.Invoke("App authorised.");
BeginConnection();
break;
case ProtoOAPayloadType.PROTO_OA_SYMBOLS_LIST_RES:
//When requesting the list of all available assets
var symbols = ProtoOASymbolsListRes.CreateBuilder().MergeFrom(protoMessage.Payload).Build();
MessageHandler?.Invoke("Symbols downloaded for account " + symbols.CtidTraderAccountId);
//get the associated user
UserConfig config = Users.Where(x => x.Value.AccountId == symbols.CtidTraderAccountId).Select(x => x.Value).FirstOrDefault();
//store the symbols in a dictionary where the key is the id
foreach (ProtoOALightSymbol symbol in symbols.SymbolList)
{
config.Symbols.Add(new Symbol((int)symbol.SymbolId, symbol.SymbolName));
}
//Save to file so they can be easily reloaded on program restart
try
{
config.SaveToFile();
}
catch (IOException ex) //non critical so just flag an error
{
ErrorHandler?.Invoke("Could not save symbols list for account id " + symbols.CtidTraderAccountId + ": " + ex.Message);
}
//start subscribing to tick events
StartSubscribes(symbols.CtidTraderAccountId);
break;
case ProtoOAPayloadType.PROTO_OA_SPOT_EVENT:
//Tick has been recieved
var details = ProtoOASpotEvent.CreateBuilder().MergeFrom(protoMessage.Payload).Build();
//record the time of the tick in UTC time (the tick time doesn't actually come with the payload)
DateTime tickTime = DateTime.UtcNow;
//get the associated user
UserConfig config_spot = Users.Where(x => x.Value.AccountId == details.CtidTraderAccountId).Select(x => x.Value).FirstOrDefault();
//Queue this for writing to file - queue as TickData class which also has the time at which the tick was recieved
if (details.HasBid)
{
if (ShouldWriteTicks)
{
_ticksToWrite[config_spot.Token].Enqueue(new TickData((int)details.SymbolId, tickTime, true, details.Bid));
}
//Notify a tick has been recieved
SymbolTickHandler?.Invoke(config_spot, details.SymbolId, true, details.Bid, tickTime);
}
if (details.HasAsk)
{
if (ShouldWriteTicks)
{
_ticksToWrite[config_spot.Token].Enqueue(new TickData((int)details.SymbolId, tickTime, false, details.Ask));
}
//Notify a tick has been recieved
SymbolTickHandler?.Invoke(config_spot, details.SymbolId, false, details.Ask, tickTime);
}
break;
case ProtoOAPayloadType.PROTO_OA_GET_ACCOUNTS_BY_ACCESS_TOKEN_RES:
var accounts_list = ProtoOAGetAccountListByAccessTokenRes.CreateBuilder().MergeFrom(protoMessage.Payload).Build();
//get the first account - we only need 1 account to extract tick data - no trading will take place
ProtoOACtidTraderAccount account = accounts_list.CtidTraderAccountList.FirstOrDefault();
//assign the account id that will be used to extract ticks (Users are stored as a dictionary with token as the key)
if (account != null)
{
Users[accounts_list.AccessToken].AccountId = (long)account.CtidTraderAccountId;
}
else
{
throw new MissingFieldException("There are no trading accounts associated with this token.");
}
MessageHandler?.Invoke("Account selected: " + account.CtidTraderAccountId);
//Save to file so it can be easily reloaded on program restart
try
{
Config.SaveToFile();
}
catch (IOException ex) //non critical so just flag an error
{
ErrorHandler?.Invoke("Could not save config file with updated account id: " + ex.Message);
}
//get the symbols available to this account
AuthAccount(accounts_list.AccessToken);
break;
case ProtoOAPayloadType.PROTO_OA_SUBSCRIBE_SPOTS_RES:
var spotRes = ProtoOASubscribeSpotsRes.CreateBuilder().MergeFrom(protoMessage.Payload).Build();
break;
default:
ErrorHandler?.Invoke((ProtoOAPayloadType)protoMessage.PayloadType + " message not handled.");
break;
}
;
}
}
}
internal void OnOrderCancelled(Order order, bool queued = true)
{
var e = new OnOrderCancelled(order);
if (queued)
this.queue.Enqueue(e);
else
OnEvent(e);
}
