public static MessageDataContainer ParseSettingsMessage(byte[] packet)
{
MessageDataContainer data = new MessageDataContainer();
data.MessageMission = packet[1];
if ((data.MessageMission & (MissionAssign | MissionInform)) != 0)
{
data.FocusDistance = _array_to_32bit_int(packet, 2);
data.FocusVerticalCoordinate = _array_to_32bit_int(packet, 6);
data.SimpleViewWidth = _array_to_32bit_int(packet, 10);
data.SimpleViewHeight = _array_to_32bit_int(packet, 14);
}
if ((data.MessageMission & MissionRequest) != 0)
{
byte[] addr = new byte[4];
Array.Copy(packet, 18, addr, 0, 4);
data.RemoteAddress = new IPAddress(addr);
data.RemotePort = (packet[22] & 0xFF) + 256 * (packet[23] & 0xFF);
}
return(data);
}
public static byte[] ComposeModeMessageBytes(MessageDataContainer msgDataContainer)
{
switch (((IModeMessageData)msgDataContainer).GetModeType())
{
case ModeType.Pic:
return(new[] { ModeTypePicCode });
case ModeType.NoPic:
return(new[] { ModeTypeNoPicCode });
case ModeType.Settings:
return(new[] { ModeTypeSettingsCode });
default:
throw new ArgumentOutOfRangeException("msgDataContainer");
}
}
public static byte[] ComposeSettingsBytes(MessageDataContainer msgDataContainer)
{
ISettingsMessageData idata = msgDataContainer;
int totalCount =
+1 //message mission(flags)
+ 4 //focusDist
+ 4 //focusVert
+ 4 //simpleWidth
+ 4 //simpleHeight
+ 4 //inet4address //[nulls]
+ 2; //port //[nulls]
//create array
byte[] ret = new byte[totalCount];
//assign flags
ret[0] = idata.GetFlags();
if ((idata.GetFlags() & (MissionAssign | MissionInform)) !=
0)
{
_assign_32bit_int_to_array(ret, 1, idata.GetFocusDistance());
_assign_32bit_int_to_array(ret, 5, idata.GetFocusVerticalCoordinate());
_assign_32bit_int_to_array(ret, 9, idata.GetSimpleViewWidth());
_assign_32bit_int_to_array(ret, 13, idata.GetSimpleViewHeight());
}
if ((idata.GetFlags() & MissionRequest) != 0)
{
Array.Copy(idata.GetRemoteAddress().GetAddressBytes(), 0, ret, 17, 4);
ret[21] = (byte)(idata.GetRemotePort() % 256);
ret[22] = (byte)(idata.GetRemotePort() / 256);
}
//return packet
return(ret);
}
public static byte[] ComposeEmptyMessageBytes(MessageDataContainer msgDataContainer)
{
return(new byte[] { 0 });
}
public static byte[] ComposePingMessageBytes(MessageDataContainer msgDataContainer)
{
return(new byte[] { 0 }); //return zero byte
}
protected Message SetData(MessageDataContainer data)
{
Data = data;
return(this);
}
