// Initializes the network transport and builds the _channel array.
// Returns null on failure, and sets error string with description.
protected ConnectionConfig InitializeNetwork( out string error )
{
_maxEventCount = _commonSettings.maxEventCount > 0 ? _commonSettings.maxEventCount : UInt32.MaxValue;
GlobalConfig gConfig = new GlobalConfig(); // default settings
gConfig.MaxPacketSize = _commonSettings.messageBufferSize;
NetworkTransport.Init();
ConnectionConfig config = new ConnectionConfig();
config.SendDelay = 0;
int channelCount = AlpacaConstant.InternalChannelCount + _commonSettings.customChannel.Length;
_channel = new Channel[channelCount];
// add internal channels
for( int i = 0; i < AlpacaConstant.InternalChannelCount; ++i )
{
string name = AlpacaConstant.INTERNAL_CHANNEL_NAME[i];
QosType qos = AlpacaConstant.INTERNAL_CHANNEL_TYPE[i];
int index = config.AddChannel( qos );
if( index != i )
{
error = Log.PrefixMessage( string.Format( "Unexpected channel index {0} while attempting to create {1}", index, name ) );
return null;
}
_channel[i] = new Channel( ChannelIndex.CreateInternal( (InternalChannel)i ), name, qos );
}
// add custom channels
for( int i = 0; i < _commonSettings.customChannel.Length; ++i )
{
CustomChannelSettings c = _commonSettings.customChannel[i];
int index = config.AddChannel( c.type );
int offsetIndex = i + AlpacaConstant.InternalChannelCount;
if( index != offsetIndex )
{
error = Log.PrefixMessage( string.Format( "Unexpected channel index {0} while attempting to create {1}", index, c.name ) );
return null;
}
_channel[offsetIndex] = new Channel( ChannelIndex.CreateCustom( (UInt32)i ), c.name, c.type );
}
error = "";
return config;
}
// PRIVATE
// sends an internal message to the server (Alpaca layer)
bool SendInternal( InternalMessage message, InternalChannel channel, BitWriter writer, bool sendImmediately, out string error )
{
return Send( message, ChannelIndex.CreateInternal(channel), writer, sendImmediately, out error );
}
// sends a custom message to the server via the default channel
public bool SendCustomServer( BitWriter writer, bool sendImmediately, out string error )
{
return Send( InternalMessage.CustomServer, ChannelIndex.CreateInternal( InternalChannel.ClientReliable ), writer, sendImmediately, out error );
}