/// <summary>
/// Decode the payload data from byte array to RESP_GET_DFS_REFERRAL structure.
/// And assign the result to referralResponse field.
/// </summary>
/// <param name="payloadData">RESP_GET_DFS_REFERRAL in byte array</param>
/// <exception cref=" System.InvalidOperationException">
/// Fail to decode payload data to RESP_GET_DFS_REFERRAL structure
/// </exception>
/// <exception cref=" System.FormatException">payloadData is null or empty</exception>
private void FromBytes(byte[] payloadData)
{
if (payloadData != null && payloadData.Length > 0)
{
using (MemoryStream memoryStream = new MemoryStream(payloadData))
{
Channel channel = new Channel(null, memoryStream);
// Read the referral header
this.referralResponse.PathConsumed = channel.Read<ushort>();
this.referralResponse.NumberOfReferrals = channel.Read<ushort>();
this.referralResponse.ReferralHeaderFlags = channel.Read<ReferralHeaderFlags>();
// Read Referral Entries
if (this.referralResponse.NumberOfReferrals > 0)
{
this.versionNumber = channel.Peek<ushort>(0);
switch (this.versionNumber)
{
case 0x0001:
List<DFS_REFERRAL_V1> referral1List = new List<DFS_REFERRAL_V1>();
// The total size of VersionNumber, Size, ServerType and ReferralEntryFlags in DFS_REFERRAL_V1
const ushort referralV1fixedSize = 8;
for (int i = 0; i < this.referralResponse.NumberOfReferrals; i++)
{
DFS_REFERRAL_V1 referral1 = new DFS_REFERRAL_V1();
referral1.VersionNumber = channel.Read<ushort>();
referral1.Size = channel.Read<ushort>();
referral1.ServerType = channel.Read<ushort>();
referral1.ReferralEntryFlags = channel.Read<ushort>();
referral1.ShareName = Encoding.Unicode.GetString(channel.ReadBytes(referral1.Size
- referralV1fixedSize - sizeofWord));
channel.ReadBytes(sizeofWord);
referral1List.Add(referral1);
}
this.referralResponse.ReferralEntries = referral1List.ToArray();
break;
case 0x0002:
DecodeReferralV2(channel);
break;
case 0x0003:
case 0x0004:
// The offset from beginning of DFS_REFERRAL_V3V4 to ReferralEntryFlags field
ushort flagOffset = 6;
ReferralEntryFlags_Values referralEntryFlags = channel.Peek<ReferralEntryFlags_Values>(flagOffset);
if ((referralEntryFlags & ReferralEntryFlags_Values.NameListReferral)
== ReferralEntryFlags_Values.NameListReferral)
{
this.isNameListReferral = true;
DecodeReferralV3V4_NameListReferral(channel);
}
else
{
this.isNameListReferral = false;
DecodeReferralV3V4_NonNameListReferral(channel);
}
break;
default:
throw new InvalidOperationException("The version number of Referral Entry is not correct.");
}
}
}
}
else
{
throw new FormatException("payload byte array is null or empty for decoding.");
}
}
/// <summary>
/// Decode the payload data from byte array to RESP_GET_DFS_REFERRAL structure.
/// And assign the result to referralResponse field.
/// </summary>
/// <param name="payloadData">RESP_GET_DFS_REFERRAL in byte array</param>
/// <exception cref=" System.InvalidOperationException">
/// Fail to decode payload data to RESP_GET_DFS_REFERRAL structure
/// </exception>
/// <exception cref=" System.FormatException">payloadData is null or empty</exception>
private void FromBytes(byte[] payloadData)
{
if (payloadData != null && payloadData.Length > 0)
{
using (MemoryStream memoryStream = new MemoryStream(payloadData))
{
Channel channel = new Channel(null, memoryStream);
// Read the referral header
this.referralResponse.PathConsumed = channel.Read <ushort>();
this.referralResponse.NumberOfReferrals = channel.Read <ushort>();
this.referralResponse.ReferralHeaderFlags = channel.Read <ReferralHeaderFlags>();
// Read Referral Entries
if (this.referralResponse.NumberOfReferrals > 0)
{
this.versionNumber = channel.Peek <ushort>(0);
switch (this.versionNumber)
{
case 0x0001:
List <DFS_REFERRAL_V1> referral1List = new List <DFS_REFERRAL_V1>();
// The total size of VersionNumber, Size, ServerType and ReferralEntryFlags in DFS_REFERRAL_V1
const ushort referralV1fixedSize = 8;
for (int i = 0; i < this.referralResponse.NumberOfReferrals; i++)
{
DFS_REFERRAL_V1 referral1 = new DFS_REFERRAL_V1();
referral1.VersionNumber = channel.Read <ushort>();
referral1.Size = channel.Read <ushort>();
referral1.ServerType = channel.Read <ushort>();
referral1.ReferralEntryFlags = channel.Read <ushort>();
referral1.ShareName = Encoding.Unicode.GetString(channel.ReadBytes(referral1.Size
- referralV1fixedSize - sizeofWord));
channel.ReadBytes(sizeofWord);
referral1List.Add(referral1);
}
this.referralResponse.ReferralEntries = referral1List.ToArray();
break;
case 0x0002:
DecodeReferralV2(channel);
break;
case 0x0003:
case 0x0004:
// The offset from beginning of DFS_REFERRAL_V3V4 to ReferralEntryFlags field
ushort flagOffset = 6;
ReferralEntryFlags_Values referralEntryFlags = channel.Peek <ReferralEntryFlags_Values>(flagOffset);
if ((referralEntryFlags & ReferralEntryFlags_Values.NameListReferral)
== ReferralEntryFlags_Values.NameListReferral)
{
this.isNameListReferral = true;
DecodeReferralV3V4_NameListReferral(channel);
}
else
{
this.isNameListReferral = false;
DecodeReferralV3V4_NonNameListReferral(channel);
}
break;
default:
throw new InvalidOperationException("The version number of Referral Entry is not correct.");
}
}
}
}
else
{
throw new FormatException("payload byte array is null or empty for decoding.");
}
}
