/// <summary>
/// Decode the payload for type of Referral Entry 2
/// </summary>
/// <param name="channel">channel with payload data</param>
/// <exception cref=" System.InvalidOperationException">
/// Fail to decode payload data to ReferralV2 structure
/// </exception>
private void DecodeReferralV2(Channel channel)
{
bool isDfsPathFollowed = false;
List<DFS_REFERRAL_V2> referral2List = new List<DFS_REFERRAL_V2>();
for (int i = 0; i < this.referralResponse.NumberOfReferrals; i++)
{
DFS_REFERRAL_V2 referral2 = new DFS_REFERRAL_V2();
// Read the fixed portion of DFS_REFERRAL_V2
referral2.VersionNumber = channel.Read<ushort>();
referral2.Size = channel.Read<ushort>();
referral2.ServerType = channel.Read<ushort>();
referral2.ReferralEntryFlags = channel.Read<ushort>();
referral2.Proximity = channel.Read<uint>();
referral2.TimeToLive = channel.Read<uint>();
referral2.DFSPathOffset = channel.Read<ushort>();
referral2.DFSAlternatePathOffset = channel.Read<ushort>();
referral2.NetworkAddressOffset = channel.Read<ushort>();
if (i == 0 && referral2.DFSPathOffset == referral2.Size)
{
isDfsPathFollowed = true;
}
// The Dfs paths of immediately follows each referral entry. Read the paths orderly.
if (isDfsPathFollowed)
{
// Get the Dfs paths from channel
// TD does not mention whether padding data exists between Dfs paths.
// Drop the possibly exists padding data
referral2.DFSPath = ReadDfsPath(channel);
ReadPadding(channel, referral2.DFSAlternatePathOffset - referral2.DFSPathOffset
- (referral2.DFSPath.Length + 1) * sizeofWord);
referral2.DFSAlternatePath = ReadDfsPath(channel);
ReadPadding(channel, referral2.NetworkAddressOffset - referral2.DFSAlternatePathOffset
- (referral2.DFSAlternatePath.Length + 1) * sizeofWord);
referral2.DFSTargetPath = ReadDfsPath(channel);
}
referral2List.Add(referral2);
}
// All Dfs paths follow the last referral entry.Read the paths after all entries have been read.
if (!isDfsPathFollowed)
{
ushort referral2FixedSize = referral2List[0].Size;
byte[] pathData = channel.ReadBytes((int)(channel.Stream.Length - channel.Stream.Position));
for (int i = 0; i < referral2List.Count; i++)
{
// Calculate the offsets of Dfs paths
int leftCount = referral2List.Count - i;
DFS_REFERRAL_V2 referral2 = referral2List[i];
int dfsPathOffset = referral2.DFSPathOffset - leftCount * referral2FixedSize;
int dfsAlternatePathOffset = referral2.DFSAlternatePathOffset -
leftCount * referral2FixedSize;
int targetPathOffset = referral2.NetworkAddressOffset - leftCount * referral2FixedSize;
// Get the Dfs paths
referral2.DFSPath = ReadDfsPath(pathData, dfsPathOffset);
referral2.DFSAlternatePath = ReadDfsPath(pathData, dfsAlternatePathOffset);
referral2.DFSTargetPath = ReadDfsPath(pathData, targetPathOffset);
referral2List[i] = referral2;
}
}
this.referralResponse.ReferralEntries = referral2List.ToArray();
}
/// <summary>
/// Decode the payload for type of Referral Entry 2
/// </summary>
/// <param name="channel">channel with payload data</param>
/// <exception cref=" System.InvalidOperationException">
/// Fail to decode payload data to ReferralV2 structure
/// </exception>
private void DecodeReferralV2(Channel channel)
{
bool isDfsPathFollowed = false;
List <DFS_REFERRAL_V2> referral2List = new List <DFS_REFERRAL_V2>();
for (int i = 0; i < this.referralResponse.NumberOfReferrals; i++)
{
DFS_REFERRAL_V2 referral2 = new DFS_REFERRAL_V2();
// Read the fixed portion of DFS_REFERRAL_V2
referral2.VersionNumber = channel.Read <ushort>();
referral2.Size = channel.Read <ushort>();
referral2.ServerType = channel.Read <ushort>();
referral2.ReferralEntryFlags = channel.Read <ushort>();
referral2.Proximity = channel.Read <uint>();
referral2.TimeToLive = channel.Read <uint>();
referral2.DFSPathOffset = channel.Read <ushort>();
referral2.DFSAlternatePathOffset = channel.Read <ushort>();
referral2.NetworkAddressOffset = channel.Read <ushort>();
if (i == 0 && referral2.DFSPathOffset == referral2.Size)
{
isDfsPathFollowed = true;
}
// The Dfs paths of immediately follows each referral entry. Read the paths orderly.
if (isDfsPathFollowed)
{
// Get the Dfs paths from channel
// TD does not mention whether padding data exists between Dfs paths.
// Drop the possibly exists padding data
referral2.DFSPath = ReadDfsPath(channel);
ReadPadding(channel, referral2.DFSAlternatePathOffset - referral2.DFSPathOffset
- (referral2.DFSPath.Length + 1) * sizeofWord);
referral2.DFSAlternatePath = ReadDfsPath(channel);
ReadPadding(channel, referral2.NetworkAddressOffset - referral2.DFSAlternatePathOffset
- (referral2.DFSAlternatePath.Length + 1) * sizeofWord);
referral2.DFSTargetPath = ReadDfsPath(channel);
}
referral2List.Add(referral2);
}
// All Dfs paths follow the last referral entry.Read the paths after all entries have been read.
if (!isDfsPathFollowed)
{
ushort referral2FixedSize = referral2List[0].Size;
byte[] pathData = channel.ReadBytes((int)(channel.Stream.Length - channel.Stream.Position));
for (int i = 0; i < referral2List.Count; i++)
{
// Calculate the offsets of Dfs paths
int leftCount = referral2List.Count - i;
DFS_REFERRAL_V2 referral2 = referral2List[i];
int dfsPathOffset = referral2.DFSPathOffset - leftCount * referral2FixedSize;
int dfsAlternatePathOffset = referral2.DFSAlternatePathOffset -
leftCount * referral2FixedSize;
int targetPathOffset = referral2.NetworkAddressOffset - leftCount * referral2FixedSize;
// Get the Dfs paths
referral2.DFSPath = ReadDfsPath(pathData, dfsPathOffset);
referral2.DFSAlternatePath = ReadDfsPath(pathData, dfsAlternatePathOffset);
referral2.DFSTargetPath = ReadDfsPath(pathData, targetPathOffset);
referral2List[i] = referral2;
}
}
this.referralResponse.ReferralEntries = referral2List.ToArray();
}