/// <summary>
/// Un-marshal a byte array to PDU struct.
/// </summary>
/// <param name="binaryReader">BinaryReader</param>
internal override void FromBytes(BinaryReader binaryReader)
{
base.FromBytes(binaryReader);
provider_reject_reason = (p_reject_reason_t)binaryReader.ReadUInt16();
versions = new p_rt_versions_supported_t();
versions.n_protocols = binaryReader.ReadByte();
versions.p_protocols = new version_t[versions.n_protocols];
for (int i = 0; i < versions.n_protocols; i++)
{
versions.p_protocols[i].major = binaryReader.ReadByte();
versions.p_protocols[i].minor = binaryReader.ReadByte();
}
//Assume that the client calculates the length of the PDU
//until the Signature field as L.
//If the frag_length field is greater than or equal to L
//plus the size of the Signature field,
//the client SHOULD assume that the Signature field is present.
//Otherwise, the client SHOULD assume that the Signature field is not present.
//TD shows the signature is aligned at 4.
int L = RpceUtility.Align((int)binaryReader.BaseStream.Position, 4);
if (frag_length >= (L + RpceUtility.GUID_SIZE))
{
pad = binaryReader.ReadBytes(L - (int)binaryReader.BaseStream.Position);
signature = new Guid(binaryReader.ReadBytes(RpceUtility.GUID_SIZE));
extended_error_info = binaryReader.ReadBytes(frag_length - L - RpceUtility.GUID_SIZE);
}
}
public RpceCoBindNakPdu CreateCoBindNakPdu(
RpceServerSessionContext sessionContext,
p_reject_reason_t rejectReason,
byte[] extendedErrorInfo)
{
if (sessionContext == null)
{
throw new ArgumentNullException("sessionContext");
}
RpceCoBindNakPdu bindNakPdu = new RpceCoBindNakPdu(sessionContext);
bindNakPdu.rpc_vers = sessionContext.RpcVersionMajor;
bindNakPdu.rpc_vers_minor = sessionContext.RpcVersionMinor;
bindNakPdu.PTYPE = RpcePacketType.BindNak;
bindNakPdu.pfc_flags = RpceUtility.GeneratePfcFlags(sessionContext, RpcePacketType.BindNak);
bindNakPdu.packed_drep.dataRepFormat = sessionContext.PackedDataRepresentationFormat;
bindNakPdu.packed_drep.reserved = 0;
bindNakPdu.call_id = sessionContext.CurrentCallId;
bindNakPdu.provider_reject_reason = rejectReason;
bindNakPdu.versions.n_protocols = 1; // only one rpc version in server context.
bindNakPdu.versions.p_protocols = new version_t[bindNakPdu.versions.n_protocols];
// It's the supported rpc versions, so we response version number in server context.
bindNakPdu.versions.p_protocols[0].major = sessionContext.ServerContext.RpcVersionMajor;
bindNakPdu.versions.p_protocols[0].major = sessionContext.ServerContext.RpcVersionMinor;
int sizeOfReasonAndVersions = Marshal.SizeOf(typeof(ushort)); // bindNakPdu.provider_reject_reason
sizeOfReasonAndVersions += Marshal.SizeOf(bindNakPdu.versions.n_protocols);
sizeOfReasonAndVersions += Marshal.SizeOf(typeof(version_t)) * bindNakPdu.versions.n_protocols;
bindNakPdu.pad = new byte[RpceUtility.Align(sizeOfReasonAndVersions, 4) - sizeOfReasonAndVersions];
if (extendedErrorInfo != null)
{
bindNakPdu.signature = RpceUtility.BINDNAK_SIGNATURE;
bindNakPdu.extended_error_info = extendedErrorInfo;
}
bindNakPdu.SetLength();
return bindNakPdu;
}
/// <summary>
/// Un-marshal a byte array to PDU struct.
/// </summary>
/// <param name="binaryReader">BinaryReader</param>
internal override void FromBytes(BinaryReader binaryReader)
{
base.FromBytes(binaryReader);
provider_reject_reason = (p_reject_reason_t)binaryReader.ReadUInt16();
versions = new p_rt_versions_supported_t();
versions.n_protocols = binaryReader.ReadByte();
versions.p_protocols = new version_t[versions.n_protocols];
for (int i = 0; i < versions.n_protocols; i++)
{
versions.p_protocols[i].major = binaryReader.ReadByte();
versions.p_protocols[i].minor = binaryReader.ReadByte();
}
//Assume that the client calculates the length of the PDU
//until the Signature field as L.
//If the frag_length field is greater than or equal to L
//plus the size of the Signature field,
//the client SHOULD assume that the Signature field is present.
//Otherwise, the client SHOULD assume that the Signature field is not present.
//TD shows the signature is aligned at 4.
int L = RpceUtility.Align((int)binaryReader.BaseStream.Position, 4);
if (frag_length >= (L + RpceUtility.GUID_SIZE))
{
pad = binaryReader.ReadBytes(L - (int)binaryReader.BaseStream.Position);
signature = new Guid(binaryReader.ReadBytes(RpceUtility.GUID_SIZE));
extended_error_info = binaryReader.ReadBytes(frag_length - L - RpceUtility.GUID_SIZE);
}
}
