/// <summary>
/// Writes the message using the given writer.
/// </summary>
/// <param name="writer"></param>
internal void Write(RnetStreamWriter writer)
{
Contract.Requires<ArgumentNullException>(writer != null);
writer.BeginMessage(TargetDeviceId, SourceDeviceId, MessageType);
WriteBody(writer);
writer.EndMessage();
}
internal protected override void WriteBody(RnetStreamWriter writer)
{
TargetPath.Write(writer);
SourcePath.Write(writer);
writer.WriteUInt16((ushort)Event);
writer.WriteUInt16(Timestamp);
writer.WriteUInt16(Data);
writer.WriteByte((byte)Priority);
}
internal protected override void WriteBody(RnetStreamWriter writer)
{
TargetPath.Write(writer);
SourcePath.Write(writer);
writer.WriteUInt16(PacketNumber);
writer.WriteUInt16(PacketCount);
writer.WriteUInt16((ushort)Data.Length);
for (int i = 0; i < Data.Length; i++)
writer.WriteByte(Data[i]);
}
/// <summary>
/// Opens the connection.
/// </summary>
public async Task Open(CancellationToken cancellationToken)
{
if (State != RnetConnectionState.Closed)
throw new RnetConnectionException("Connection is not closed.");
// establish connection
await Connect(cancellationToken);
// obtain reader
reader = GetReader();
if (reader == null)
throw new RnetException("Unable to obtain RnetReader.");
// obtain writer
writer = GetWriter();
if (writer == null)
throw new RnetException("Unable to obtain RnetWriter.");
OnStateChanged(new RnetConnectionStateEventArgs(State));
}
internal protected override void WriteBody(RnetStreamWriter writer)
{
writer.WriteByte((byte)HandshakeType);
}
/// <summary> /// Writes the body of the message. /// </summary> /// <param name="writer"></param> internal protected abstract void WriteBody(RnetStreamWriter writer);
internal protected override void WriteBody(RnetStreamWriter writer)
{
TargetPath.Write(writer);
SourcePath.Write(writer);
writer.WriteByte((byte)Type);
}
internal protected override void WriteBody(RnetStreamWriter writer)
{
throw new NotImplementedException();
}
/// <summary>
/// Closes the connection.
/// </summary>
public async Task Close(CancellationToken cancellationToken)
{
Contract.Requires<RnetConnectionException>(State == RnetConnectionState.Open, "Connection is not open.");
Contract.Ensures(reader == null);
Contract.Ensures(writer == null);
// disconnect
await Disconnect(cancellationToken);
reader = null;
writer = null;
OnStateChanged(new RnetConnectionStateEventArgs(State));
}