/// <summary>
/// Creates the command packet's header and returns a BinaryWriter so the caller
/// can write the command packet's payload.
/// </summary>
/// <param name="ms">A MemoryStream to write the command packet.</param>
/// <param name="command">A CapabilitiesProtocolCommands that specifies the command.</param>
/// <returns>A BinaryWriter that contains the command packet's header.</returns>
private BinaryWriter GetBinaryWriter(MemoryStream ms, CapabilitiesProtocolCommands command)
{
BinaryWriter bw = new BinaryWriter(ms, Encoding.UTF8);
bw.Write(PROTOCOL_IDENTIFIER);
bw.Write((byte)command);
return(bw);
}
/// <summary>
/// Handles the <see cref="US.OpenServer.Protocols.CapabilitiesProtocolCommands.PROTOCOL_IDS"/> and
/// <see cref="US.OpenServer.Protocols.CapabilitiesProtocolCommands.ERROR"/>
/// command packet request.
/// </summary>
/// <param name="br">A BinaryReader that contains the command packet.</param>
public override void OnPacketReceived(BinaryReader br)
{
ushort protocolId = 0;
string errorMessage = null;
CapabilitiesProtocolCommands command = (CapabilitiesProtocolCommands)br.ReadByte();
switch (command)
{
case CapabilitiesProtocolCommands.GET_PROTOCOL_IDS:
{
ushort[] protocolIds = Session.GetLocalSupportedProtocolIds();
MemoryStream ms = new MemoryStream();
BinaryWriter bw = GetBinaryWriter(ms, CapabilitiesProtocolCommands.PROTOCOL_IDS);
bw.Write(protocolIds);
Log(Level.Debug, string.Format("Sent Protocol IDs: {0}", string.Join(", ", protocolIds.ToArray())));
Session.Send(ms);
break;
}
case CapabilitiesProtocolCommands.PROTOCOL_IDS:
lock (this)
{
supportedRemoteProtocolIds = br.ReadUInt16s();
Log(Level.Debug, string.Format("Received Protocol IDs: {0}", string.Join(", ", supportedRemoteProtocolIds.ToArray())));
Monitor.PulseAll(this);
}
break;
case CapabilitiesProtocolCommands.ERROR:
lock (this)
{
protocolId = br.ReadUInt16();
errorMessage = br.ReadString();
Log(Level.Error, errorMessage);
Monitor.PulseAll(this);
}
break;
default:
Log(Level.Error, string.Format("Invalid or unsupported command. Command: {0}", command));
break;
}
if (!string.IsNullOrEmpty(errorMessage))
{
Session.OnCapabilitiesError(protocolId, errorMessage);
}
}
/// <summary>
/// Creates the command packet's header and returns a BinaryWriter so the caller
/// can write the command packet's payload.
/// </summary>
/// <param name="ms">A MemoryStream to write the command packet.</param>
/// <param name="command">A CapabilitiesProtocolCommands that specifies the command.</param>
/// <returns>A BinaryWriter that contains the command packet's header.</returns>
private BinaryWriter GetBinaryWriter(MemoryStream ms, CapabilitiesProtocolCommands command)
{
BinaryWriter bw = new BinaryWriter(ms, Encoding.UTF8);
bw.Write(PROTOCOL_IDENTIFIER);
bw.Write((byte)command);
return bw;
}
