public IbClientConnection()
{
ClientId = -1;
ExtraAuth = false;
ServerVersion = -1;
IsConnected = false;
IbWriter = null;
IbReader = null;
}
public void Connect(string host, int port, int clientId, bool extraAuth = false)
{
if (IsConnected)
{
throw new Exception(String.Format("Code: {0}, Msg: {1}", EClientErrors.AlreadyConnected.Code, EClientErrors.AlreadyConnected.Message));
}
tcpClient = new TcpClient(host, port);
tcpClientStream = tcpClient.GetStream();
var tcpWriter = new BinaryWriter(tcpClientStream);
IbWriter = new IbWriter(tcpWriter);
IbReader = new IbReader(new BinaryReader(tcpClientStream));
ClientId = clientId;
ExtraAuth = extraAuth;
try
{
tcpWriter.Write(UTF8Encoding.UTF8.GetBytes(Constants.ClientVersion.ToString()));
tcpWriter.Write(Constants.EOL);
}
catch (IOException e)
{
throw new IOException("Could not establish connection. Make sure the TWS is enabled to accept socket clients!", e);
}
// Receive the response from the remote device.
ServerVersion = IbReader.ReadInt();
if (ServerVersion < MinServerVer.MIN_VERSION)
{
throw new Exception(String.Format("Code: {0}, Msg: {1}", EClientErrors.UPDATE_TWS.Code, EClientErrors.UPDATE_TWS.Message));
}
if (ServerVersion >= 20)
{
string twsTime = IbReader.ReadString();
}
IsConnected = true;
if (ServerVersion >= 3)
{
if (ServerVersion < MinServerVer.LINKING)
{
tcpWriter.Write(UTF8Encoding.UTF8.GetBytes(clientId.ToString()));
tcpWriter.Write(Constants.EOL);
}
else if (!extraAuth)
{
StartApi();
}
}
}
/// <summary>
/// Closes the TCP connection and cancels the task processing incoming messages.
/// </summary>
public void Disconnect()
{
if (!IsConnected)
{
throw new Exception(String.Format("Code: {0}, Msg: {1}", EClientErrors.NOT_CONNECTED.Code, EClientErrors.NOT_CONNECTED.Message));
}
IsConnected = false;
ServerVersion = 0;
ClientId = -1;
ExtraAuth = false;
// close TCP connection
if (tcpClient.Connected)
{
tcpClient.Close();
}
tcpClientStream.Close();
tcpClientStream = null;
tcpClient = null;
IbWriter = null;
IbReader = null;
}