/// <summary>
/// Create a new connection object
/// </summary>
/// <param name="connectionInfo">ConnectionInfo corresponding to the new connection</param>
/// <param name="defaultSendReceiveOptions">The SendReceiveOptions which should be used as connection defaults</param>
protected Connection(ConnectionInfo connectionInfo, SendReceiveOptions defaultSendReceiveOptions)
{
//If the application layer protocol is disabled the serialiser must be NullSerializer
//and no data processors are allowed.
if (connectionInfo.ApplicationLayerProtocol == ApplicationLayerProtocolStatus.Disabled)
{
if (defaultSendReceiveOptions.Options.ContainsKey("ReceiveConfirmationRequired"))
{
throw new ArgumentException("Attempted to create an unmanaged connection when the provided send receive" +
" options specified the ReceiveConfirmationRequired option. Please provide compatible send receive options in order to successfully" +
" instantiate this unmanaged connection.", "defaultSendReceiveOptions");
}
if (defaultSendReceiveOptions.DataSerializer != DPSManager.GetDataSerializer <NullSerializer>())
{
throw new ArgumentException("Attempted to create an unmanaged connection when the provided send receive" +
" options serialiser was not NullSerializer. Please provide compatible send receive options in order to successfully" +
" instantiate this unmanaged connection.", "defaultSendReceiveOptions");
}
if (defaultSendReceiveOptions.DataProcessors.Count > 0)
{
throw new ArgumentException("Attempted to create an unmanaged connection when the provided send receive" +
" options contains data processors. Data processors may not be used with unmanaged connections." +
" Please provide compatible send receive options in order to successfully instantiate this unmanaged connection.", "defaultSendReceiveOptions");
}
}
SendTimesMSPerKBCache = new CommsMath();
packetBuilder = new PacketBuilder();
//Initialise the sequence counter using the global value
//Subsequent values on this connection are guaranteed to be sequential
packetSequenceCounter = Interlocked.Increment(ref NetworkComms.totalPacketSendCount);
ConnectionInfo = connectionInfo;
if (defaultSendReceiveOptions != null)
{
ConnectionDefaultSendReceiveOptions = defaultSendReceiveOptions;
}
else
{
ConnectionDefaultSendReceiveOptions = NetworkComms.DefaultSendReceiveOptions;
}
//Add any listener specific packet handlers if required
if (connectionInfo.ConnectionListener != null)
{
connectionInfo.ConnectionListener.AddListenerPacketHandlersToConnection(this);
}
if (NetworkComms.commsShutdown)
{
throw new ConnectionSetupException("Attempting to create new connection after global NetworkComms.Net shutdown has been initiated.");
}
if (ConnectionInfo.ConnectionType == ConnectionType.Undefined || ConnectionInfo.RemoteEndPoint == null)
{
throw new ConnectionSetupException("ConnectionType and RemoteEndPoint must be defined within provided ConnectionInfo.");
}
//If a connection already exists with this info then we can throw an exception here to prevent duplicates
if (NetworkComms.ConnectionExists(connectionInfo.RemoteEndPoint, connectionInfo.LocalEndPoint, connectionInfo.ConnectionType, connectionInfo.ApplicationLayerProtocol))
{
throw new ConnectionSetupException("A " + connectionInfo.ConnectionType.ToString() + " connection already exists with info " + connectionInfo);
}
//We add a reference in the constructor to ensure any duplicate connection problems are picked up here
NetworkComms.AddConnectionReferenceByRemoteEndPoint(this);
}
