/// <summary> /// This is the method that is invoked on an IPacketFactory to create an IPacket /// from the data in an IFieldReader given a specified PacketDefinition. /// </summary> /// <param name="definition">Definition of the fields expected in the next packet</param> /// <param name="reader">Data stream to be read</param> /// <returns>An IPacket corresponding to the PacketDefinition and the stream data</returns> public IPacket CreatePacket(PacketDefinition definition, IFieldReader reader) { IPacket packet; //what we create varies by what specific definition they're looking for if (definition.TypeName == m_LogMessagePacketType) { var logPacket = new LogMessagePacket(m_SessionPacketCache); packet = logPacket; if (!ReferenceEquals(definition, m_CachedLogMessagePacketDefinition)) { var currentDefinition = PacketDefinition.CreatePacketDefinition(packet); m_UseFastDeserialization = definition.Equals(currentDefinition); m_CachedLogMessagePacketDefinition = definition; } if (m_UseFastDeserialization) { logPacket.ReadFieldsFast(reader); } else { definition.ReadFields(packet, reader); } } else if (definition.TypeName == m_ExceptionInfoPacketType) { packet = new ExceptionInfoPacket(); definition.ReadFields(packet, reader); } else if (definition.TypeName == m_ApplicationUserPacketType) { packet = new ApplicationUserPacket(); definition.ReadFields(packet, reader); } else { //crap, we don't know what to do here. throw new ArgumentOutOfRangeException(nameof(definition), definition.TypeName, "This packet factory doesn't understand how to create packets for the provided type."); } return(packet); }
private Dictionary <IPacket, IPacket> GetRequiredPackets(IPacket packet) { PacketDefinition previewDefinition; int previewTypeIndex = m_CachedTypes.IndexOf(packet); if (previewTypeIndex < 0) { previewDefinition = PacketDefinition.CreatePacketDefinition(packet); m_CachedTypes.Add(previewDefinition); } else { previewDefinition = m_CachedTypes[previewTypeIndex]; } Dictionary <IPacket, IPacket> requiredPackets = previewDefinition.GetRequiredPackets(packet); return(requiredPackets); }