/// <summary>
/// Deep copy constructor.
/// </summary>
public SmbReadMpxRequestPacket(SmbReadMpxRequestPacket packet)
: base(packet)
{
this.InitDefaultValue();
this.smbParameters.WordCount = packet.SmbParameters.WordCount;
this.smbParameters.FID = packet.SmbParameters.FID;
this.smbParameters.Offset = packet.SmbParameters.Offset;
this.smbParameters.MaxCountOfBytesToReturn = packet.SmbParameters.MaxCountOfBytesToReturn;
this.smbParameters.MinCountOfBytesToReturn = packet.SmbParameters.MinCountOfBytesToReturn;
this.smbParameters.Timeout = packet.SmbParameters.Timeout;
this.smbParameters.Reserved = packet.SmbParameters.Reserved;
this.smbData.ByteCount = packet.SmbData.ByteCount;
}
/// <summary>
/// Deep copy constructor.
/// </summary>
public SmbReadMpxRequestPacket(SmbReadMpxRequestPacket packet)
: base(packet)
{
this.InitDefaultValue();
this.smbParameters.WordCount = packet.SmbParameters.WordCount;
this.smbParameters.FID = packet.SmbParameters.FID;
this.smbParameters.Offset = packet.SmbParameters.Offset;
this.smbParameters.MaxCountOfBytesToReturn = packet.SmbParameters.MaxCountOfBytesToReturn;
this.smbParameters.MinCountOfBytesToReturn = packet.SmbParameters.MinCountOfBytesToReturn;
this.smbParameters.Timeout = packet.SmbParameters.Timeout;
this.smbParameters.Reserved = packet.SmbParameters.Reserved;
this.smbData.ByteCount = packet.SmbData.ByteCount;
}
/// <summary>
/// to create a ReadMpx request packet.
/// </summary>
/// <param name="messageId">This field SHOULD be the multiplex ID that is used to associate a response with a
/// request.</param>
/// <param name="uid">This field SHOULD identify the authenticated instance of the user.</param>
/// <param name="treeId">This field identifies the subdirectory (or tree) on the server that the client is
/// accessing.</param>
/// <param name="flags">An 8-bit field of 1-bit flags describing various features in effect for the
/// message</param>
/// <param name="flags2">A 16-bit field of 1-bit flags that represent various features in effect for the
/// message. Unspecified bits are reserved and MUST be zero.</param>
/// <param name="fid">This field MUST be a valid 16-bit signed integer indicating the file from which the data
/// MUST be read.</param>
/// <param name="offset">The offset in bytes from the start of the file at which the read MUST begin. This is
/// the lower 32 bits of a 64 bit value if the WordCount is 10</param>
/// <param name="maxCountOfBytesToReturn">The requested maximum number of bytes to read from the file and
/// return to the client. The value MAY exceed the negotiated buffer size</param>
/// <param name="minCountOfBytesToReturn">The requested minimum number of bytes to read from the file and
/// return to the client. This field is used only when reading from a named pipe or a device. It is ignored when
/// reading from a standard file</param>
/// <param name="timeout">Support for this field is optional and this field is used only when reading from a
/// named pipe or i/o device.</param>
/// <returns>a ReadMpx request packet</returns>
public SmbReadMpxRequestPacket CreateReadMpxRequest(
ushort messageId,
ushort uid,
ushort treeId,
SmbFlags flags,
SmbFlags2 flags2,
ushort fid,
uint offset,
ushort maxCountOfBytesToReturn,
ushort minCountOfBytesToReturn,
uint timeout)
{
SmbReadMpxRequestPacket packet = new SmbReadMpxRequestPacket();
packet.SmbHeader = CifsMessageUtils.CreateSmbHeader(SmbCommand.SMB_COM_READ_MPX,
messageId, uid, treeId, flags, flags2);
SMB_COM_READ_MPX_Request_SMB_Parameters smbParameters = new SMB_COM_READ_MPX_Request_SMB_Parameters();
smbParameters.FID = fid;
smbParameters.Offset = offset;
smbParameters.MaxCountOfBytesToReturn = maxCountOfBytesToReturn;
smbParameters.MinCountOfBytesToReturn = minCountOfBytesToReturn;
smbParameters.Timeout = timeout;
smbParameters.Reserved = 0;
smbParameters.WordCount = (byte)(Marshal.SizeOf(smbParameters) / NumBytesOfWord);
SMB_COM_READ_MPX_Request_SMB_Data smbData = new SMB_COM_READ_MPX_Request_SMB_Data();
smbData.ByteCount = 0;
packet.SmbParameters = smbParameters;
packet.SmbData = smbData;
return packet;
}
public SmbReadMpxResponsePacket CreateReadMpxResponse(
CifsServerPerConnection connection,
SmbReadMpxRequestPacket request,
ushort offset,
ushort count,
ushort remaining,
byte[] data)
{
data = data ?? new byte[0];
SmbReadMpxResponsePacket response = new SmbReadMpxResponsePacket();
response.SmbHeader = CifsMessageUtils.CreateSmbHeader(connection, request);
int padOffset = Marshal.SizeOf(response.SmbParameters) + sizeof(ushort);
SMB_COM_READ_MPX_Response_SMB_Parameters smbParameters = response.SmbParameters;
smbParameters.Offset = offset;
smbParameters.Count = count;
smbParameters.Remaining = remaining;
smbParameters.DataCompactionMode = 0x0000;
smbParameters.Reserved = 0x0000;
smbParameters.DataLength = (ushort)data.Length;
smbParameters.DataOffset = (ushort)((padOffset + 3) & ~3);
smbParameters.WordCount = (byte)(TypeMarshal.GetBlockMemorySize(smbParameters) / 2);
response.SmbParameters = smbParameters;
SMB_COM_READ_MPX_Response_SMB_Data smbData = response.SmbData;
smbData.Pad = new byte[response.SmbParameters.DataOffset - padOffset];
smbData.Data = data;
smbData.ByteCount = (ushort)(response.SmbParameters.DataOffset + data.Length);
response.SmbData = smbData;
return response;
}
