/// <summary>
/// Send TDS Message to the server.
/// </summary>
/// <param name="data">TDS Message Data</param>
public void SendTDSMessage(ITDSPacketData data)
{
switch (this.communicatorState)
{
case TDSCommunicatorState.Initial:
{
if (!(data is TDSPreLoginPacketData))
{
throw new InvalidDataException();
}
this.innerTdsStream.CurrentOutboundMessageType = TDSMessageType.PreLogin;
break;
}
case TDSCommunicatorState.SentInitialPreLogin:
{
if (!(data is TDSLogin7PacketData))
{
throw new InvalidDataException();
}
this.innerTdsStream.CurrentOutboundMessageType = TDSMessageType.TDS7Login;
break;
}
case TDSCommunicatorState.LoggedIn:
{
throw new NotSupportedException();
}
default:
{
throw new InvalidOperationException();
}
}
var buffer = new byte[data.Length()];
data.Pack(new MemoryStream(buffer));
this.innerStream.Write(buffer, 0, buffer.Length);
switch (this.communicatorState)
{
case TDSCommunicatorState.Initial:
{
this.communicatorState = TDSCommunicatorState.SentInitialPreLogin;
break;
}
case TDSCommunicatorState.SentInitialPreLogin:
{
this.communicatorState = TDSCommunicatorState.SentLogin7RecordWithCompleteAuthToken;
break;
}
}
}
public bool Unpack(MemoryStream stream)
{
Header = new TDSPacketHeader();
Header.Unpack(stream);
switch (Header.Type)
{
case TDSMessageType.AttentionSignal:
{
throw new NotSupportedException();
}
case TDSMessageType.BulkLoadData:
{
throw new NotSupportedException();
}
case TDSMessageType.FedAuthToken:
{
throw new NotSupportedException();
}
case TDSMessageType.PreLogin:
{
Data = new TDSPreLoginPacketData();
Data.Unpack(stream);
break;
}
case TDSMessageType.PreTDS7Login:
{
throw new NotSupportedException();
}
case TDSMessageType.RPC:
{
throw new NotSupportedException();
}
case TDSMessageType.SQLBatch:
{
throw new NotSupportedException();
}
case TDSMessageType.SSPI:
{
throw new NotSupportedException();
}
case TDSMessageType.TabularResult:
{
throw new NotSupportedException();
}
case TDSMessageType.TDS7Login:
{
throw new NotSupportedException();
}
case TDSMessageType.TransactionManagerRequest:
{
throw new NotSupportedException();
}
}
return(true);
}
public TDSPacket(TDSPacketHeader header, ITDSPacketData data)
{
Header = header;
Data = data;
}
/// <summary>
/// Initializes a new instance of the <see cref="TDSPacket" /> class.
/// </summary>
/// <param name="header">TDS Packet Header</param>
/// <param name="data">TDS Packet Data</param>
public TDSPacket(TDSPacketHeader header, ITDSPacketData data)
{
this.Header = header;
this.Data = data;
}
