/// <summary>
/// Reads an event message from the reader.
/// </summary>
/// <param name="reader"></param>
/// <param name="targetDeviceId"></param>
/// <param name="sourceDeviceId"></param>
/// <returns></returns>
internal static RnetHandshakeMessage Read(RnetMessageBodyReader reader, RnetDeviceId targetDeviceId, RnetDeviceId sourceDeviceId)
{
Contract.Requires<ArgumentNullException>(reader != null);
var handshakeType = (RnetHandshakeType)reader.ReadByte();
return new RnetHandshakeMessage(
targetDeviceId, sourceDeviceId,
handshakeType);
}
/// <summary>
/// Reads an event message from the reader.
/// </summary>
/// <param name="reader"></param>
/// <param name="targetDeviceId"></param>
/// <param name="sourceDeviceId"></param>
/// <returns></returns>
internal static RnetNumberSixMessage Read(RnetMessageBodyReader reader, RnetDeviceId targetDeviceId, RnetDeviceId sourceDeviceId)
{
Contract.Requires<ArgumentNullException>(reader != null);
return new RnetNumberSixMessage(
targetDeviceId, sourceDeviceId,
reader.ReadByte(),
reader.ReadByte(),
reader.ReadByte(),
reader.ReadByte(),
reader.ReadByte());
}
/// <summary>
/// Reads an event message from the reader.
/// </summary>
/// <param name="reader"></param>
/// <param name="targetDeviceId"></param>
/// <param name="sourceDeviceId"></param>
/// <returns></returns>
internal static RnetRequestDataMessage Read(RnetMessageBodyReader reader, RnetDeviceId targetDeviceId, RnetDeviceId sourceDeviceId)
{
Contract.Requires<ArgumentNullException>(reader != null);
var targetPath = RnetPath.Read(reader);
var sourcePath = RnetPath.Read(reader);
var type = (RnetRequestMessageType)reader.ReadByte();
return new RnetRequestDataMessage(
targetDeviceId, sourceDeviceId,
targetPath,
sourcePath,
type);
}
/// <summary>
/// Attempts to parse the given RNet message body.
/// </summary>
/// <param name="body"></param>
/// <returns></returns>
RnetMessage ParseMessage(RnetMessageBodyReader reader)
{
Contract.Requires<ArgumentNullException>(reader != null);
try
{
// parse device ids
var targetDeviceId = RnetDeviceId.Read(reader);
var sourceDeviceId = RnetDeviceId.Read(reader);
var messageType = (RnetMessageType)reader.ReadByte();
switch (messageType)
{
case RnetMessageType.Event:
return RnetEventMessage.Read(reader, targetDeviceId, sourceDeviceId);
case RnetMessageType.RequestData:
return RnetRequestDataMessage.Read(reader, targetDeviceId, sourceDeviceId);
case RnetMessageType.SetData:
return RnetSetDataMessage.Read(reader, targetDeviceId, sourceDeviceId);
case RnetMessageType.Handshake:
return RnetHandshakeMessage.Read(reader, targetDeviceId, sourceDeviceId);
case RnetMessageType.Number6:
return RnetNumberSixMessage.Read(reader, targetDeviceId, sourceDeviceId);
default:
return RnetUnknownMessage.Read(reader, targetDeviceId, sourceDeviceId, messageType);
}
}
catch (RnetException e)
{
ExceptionDispatchInfo.Capture(e).Throw();
}
catch (Exception e)
{
throw new RnetProtocolException("Exception parsing RNET message.", e);
}
// unreachable
return null;
}
/// <summary>
/// Reads an event message from the reader.
/// </summary>
/// <param name="reader"></param>
/// <param name="targetDeviceId"></param>
/// <param name="sourceDeviceId"></param>
/// <returns></returns>
internal static RnetSetDataMessage Read(RnetMessageBodyReader reader, RnetDeviceId targetDeviceId, RnetDeviceId sourceDeviceId)
{
Contract.Requires<ArgumentNullException>(reader != null);
var targetPath = RnetPath.Read(reader);
var sourcePath = RnetPath.Read(reader);
var packetNumber = reader.ReadUInt16();
var packetCount = reader.ReadUInt16();
var data = RnetData.Read(reader);
return new RnetSetDataMessage(
targetDeviceId, sourceDeviceId,
targetPath,
sourcePath,
packetNumber,
packetCount,
data);
}
/// <summary>
/// Reads an event message from the reader.
/// </summary>
/// <param name="reader"></param>
/// <param name="targetDeviceId"></param>
/// <param name="sourceDeviceId"></param>
/// <returns></returns>
internal static RnetEventMessage Read(RnetMessageBodyReader reader, RnetDeviceId targetDeviceId, RnetDeviceId sourceDeviceId)
{
Contract.Requires<ArgumentNullException>(reader != null);
return new RnetEventMessage(
targetDeviceId, sourceDeviceId,
RnetPath.Read(reader),
RnetPath.Read(reader),
(RnetEvent)reader.ReadUInt16(),
reader.ReadUInt16(),
reader.ReadUInt16(),
(RnetPriority)reader.ReadByte());
}
/// <summary>
/// Reads an event message from the reader.
/// </summary>
/// <param name="reader"></param>
/// <param name="targetDeviceId"></param>
/// <param name="sourceDeviceId"></param>
/// <returns></returns>
internal static RnetUnknownMessage Read(RnetMessageBodyReader reader, RnetDeviceId targetDeviceId, RnetDeviceId sourceDeviceId, RnetMessageType messageType)
{
return new RnetUnknownMessage(
targetDeviceId, sourceDeviceId,
messageType);
}