/// <summary>
/// to create a WriteMpxSecondary request packet.
/// </summary>
/// <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="fid">This field MUST be a valid 16-bit signed integer indicating the file to which the data
/// should be written.</param>
/// <param name="byteOffsetToBeginWrite">The requested total number of bytes to write to the file. The value
/// MAY exceed the negotiated buffer size</param>
/// <param name="requestMask">This field is a bit mask indicating this SMB request's identity to the
/// server</param>
/// <param name="writeMode">A 16-bit field containing flags</param>
/// <param name="buffer">The raw data in bytes which are to be written to the file.</param>
/// <returns>a WriteMpxSecondary request packet</returns>
public SmbWriteMpxSecondaryRequestPacket CreateWriteMpxSecondaryRequest(
ushort uid,
ushort treeId,
ushort fid,
uint byteOffsetToBeginWrite,
WriteMpxWriteMode writeMode,
uint requestMask,
byte[] buffer)
{
return this.CreateWriteMpxSecondaryRequest(this.Context.GetMessageId(this.connectionId),
uid, treeId, this.defaultParameters.Flag, this.defaultParameters.Flag2, fid, byteOffsetToBeginWrite,
writeMode, this.defaultParameters.Timeout, requestMask, buffer);
}
/// <summary>
/// to create a WriteMpxSecondary 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 to which the data
/// should be written.</param>
/// <param name="byteOffsetToBeginWrite">The requested total number of bytes to write to the file. The value
/// MAY exceed the negotiated buffer size</param>
/// <param name="requestMask">This field is a bit mask indicating this SMB request's identity to the
/// server</param>
/// <param name="timeout">This field MUST be ignored by the server</param>
/// <param name="writeMode">A 16-bit field containing flags</param>
/// <param name="buffer">The raw data in bytes which are to be written to the file.</param>
/// <returns>a WriteMpxSecondary request packet</returns>
public SmbWriteMpxSecondaryRequestPacket CreateWriteMpxSecondaryRequest(
ushort messageId,
ushort uid,
ushort treeId,
SmbFlags flags,
SmbFlags2 flags2,
ushort fid,
uint byteOffsetToBeginWrite,
WriteMpxWriteMode writeMode,
uint timeout,
uint requestMask,
byte[] buffer)
{
if (buffer == null)
{
buffer = new byte[0];
}
SmbWriteMpxSecondaryRequestPacket packet = new SmbWriteMpxSecondaryRequestPacket();
packet.SmbHeader = CifsMessageUtils.CreateSmbHeader(SmbCommand.SMB_COM_WRITE_MPX_SECONDARY,
messageId, uid, treeId, flags, flags2);
SMB_COM_WRITE_MPX_Request_SMB_Parameters smbParameters = new SMB_COM_WRITE_MPX_Request_SMB_Parameters();
smbParameters.FID = fid;
smbParameters.TotalByteCount = (ushort)buffer.Length;
smbParameters.DataLength = (ushort)buffer.Length;
smbParameters.ByteOffsetToBeginWrite = byteOffsetToBeginWrite;
smbParameters.Reserved = 0;
smbParameters.Timeout = timeout;
smbParameters.WriteMode = writeMode;
smbParameters.RequestMask = requestMask;
smbParameters.WordCount = (byte)(Marshal.SizeOf(smbParameters) / NumBytesOfWord);
SMB_COM_WRITE_MPX_Request_SMB_Data smbData = new SMB_COM_WRITE_MPX_Request_SMB_Data();
// The size of the preceding SmbParameters part plus Header part is an odd number for all cifs messages
// If the format is Unicode, needs to add one 16 bits align pad
if ((flags2 & SmbFlags2.SMB_FLAGS2_UNICODE) == SmbFlags2.SMB_FLAGS2_UNICODE)
{
// pad 1 byte for 16-bits align:
smbData.Pad = new byte[1];
}
else
{
smbData.Pad = new byte[0];
}
smbData.Buffer = buffer;
smbData.ByteCount = (ushort)(smbData.Buffer.Length + smbData.Pad.Length);
smbParameters.DataOffset = (ushort)(Marshal.SizeOf(packet.SmbHeader) + Marshal.SizeOf(smbParameters)
+ Marshal.SizeOf(smbData.ByteCount) + smbData.Pad.Length);
packet.SmbParameters = smbParameters;
packet.SmbData = smbData;
return packet;
}
