public void SendPreLogin()
{
LoggingUtilities.WriteLog($" SendPreLogin initiated.");
var tdsMessageBody = new TDSPreLoginPacketData(Version);
tdsMessageBody.AddOption(TDSPreLoginOptionTokenType.Encryption, TDSEncryptionOption.EncryptOff);
tdsMessageBody.Terminate();
TdsCommunicator.SendTDSMessage(tdsMessageBody);
LoggingUtilities.WriteLog($" SendPreLogin done.");
}
/// <summary>
/// Sends PreLogin message to the server.
/// </summary>
public void SendPreLogin()
{
LoggingUtilities.WriteLog($" SendPreLogin initiated.");
var tdsMessageBody = new TDSPreLoginPacketData(this.Version);
tdsMessageBody.AddOption(TDSPreLoginOptionTokenType.Encryption, TDSEncryptionOption.EncryptOff);
tdsMessageBody.AddOption(TDSPreLoginOptionTokenType.TraceID, new TDSClientTraceID(Guid.NewGuid().ToByteArray(), Guid.NewGuid().ToByteArray(), 0));
tdsMessageBody.Terminate();
this.TdsCommunicator.SendTDSMessage(tdsMessageBody);
LoggingUtilities.WriteLog($" SendPreLogin done.");
}
/// <summary>
/// Receive TDS Message from the server.
/// </summary>
/// <returns>Returns received TDS Message.</returns>
public ITDSPacketData ReceiveTDSMessage()
{
if (TDSSQLTestClient.flag == TDSEncryptionOption.EncryptOff && this.communicatorState == TDSCommunicatorState.Initial)
{
this.communicatorState = TDSCommunicatorState.SentLogin7RecordWithCompleteAuthToken;
}
TDSSQLTestClient.flag = TDSEncryptionOption.EncryptOn;
byte[] resultBuffer = null;
var curOffset = 0;
if (this.communicatorState == TDSCommunicatorState.SentLogin7RecordWithCompleteAuthToken)
{
}
do
{
Array.Resize(ref resultBuffer, curOffset + this.packetSize);
curOffset += this.innerStream.Read(resultBuffer, curOffset, this.packetSize);
}while (!this.innerTdsStream.InboundMessageTerminated);
Array.Resize(ref resultBuffer, curOffset);
ITDSPacketData result;
switch (this.communicatorState)
{
case TDSCommunicatorState.SentInitialPreLogin:
{
result = new TDSPreLoginPacketData();
result.Unpack(new MemoryStream(resultBuffer));
break;
}
case TDSCommunicatorState.SentLogin7RecordWithCompleteAuthToken:
{
result = new TDSTokenStreamPacketData();
result.Unpack(new MemoryStream(resultBuffer));
break;
}
default:
{
throw new InvalidOperationException();
}
}
return(result);
}
public void PreLoginUnpacking()
{
var bytesJSON = File.ReadAllText("./Assets/PacketData/PreLogin_Bytes.json");
var packetJSON = File.ReadAllText("./Assets/PacketData/PreLogin_Object.json");
JsonSerializerSettings settings = new JsonSerializerSettings {
TypeNameHandling = TypeNameHandling.All
};
var bytes = JsonConvert.DeserializeObject <byte[]>(bytesJSON, settings);
var packet = JsonConvert.DeserializeObject <TDSPreLoginPacketData>(packetJSON, settings);
var testPacket = new TDSPreLoginPacketData();
testPacket.Unpack(new MemoryStream(bytes));
Assert.AreEqual(packet, testPacket);
}
public ITDSPacketData ReceiveTDSMessage()
{
byte[] resultBuffer = null;
var curOffset = 0;
do
{
Array.Resize(ref resultBuffer, curOffset + PacketSize);
curOffset += InnerStream.Read(resultBuffer, curOffset, PacketSize);
}while (!InnerTdsStream.InboundMessageTerminated);
Array.Resize(ref resultBuffer, curOffset);
ITDSPacketData result;
switch (CommunicatorState)
{
case TDSCommunicatorState.SentInitialPreLogin:
{
result = new TDSPreLoginPacketData();
result.Unpack(new MemoryStream(resultBuffer));
break;
}
case TDSCommunicatorState.SentLogin7RecordWithCompleteAuthToken:
{
result = new TDSTokenStreamPacketData();
result.Unpack(new MemoryStream(resultBuffer));
break;
}
default:
{
throw new InvalidOperationException();
}
}
return(result);
}
