// Used for holding enough info to handle receive completion
internal IncomingMessageAcceptor(MessageCenter msgCtr, IPEndPoint here, SocketDirection socketDirection, MessageFactory messageFactory, SerializationManager serializationManager,
ExecutorService executorService, ILoggerFactory loggerFactory)
: base(executorService, loggerFactory)
{
this.loggerFactory = loggerFactory;
Log = new LoggerWrapper <IncomingMessageAcceptor>(loggerFactory);
MessageCenter = msgCtr;
listenAddress = here;
this.MessageFactory = messageFactory;
this.receiveEventArgsPool = new ConcurrentObjectPool <SaeaPoolWrapper>(() => this.CreateSocketReceiveAsyncEventArgsPoolWrapper());
this.serializationManager = serializationManager;
if (here == null)
{
listenAddress = MessageCenter.MyAddress.Endpoint;
}
AcceptingSocket = MessageCenter.SocketManager.GetAcceptingSocketForEndpoint(listenAddress);
Log.Info(ErrorCode.Messaging_IMA_OpenedListeningSocket, "Opened a listening socket at address " + AcceptingSocket.LocalEndPoint);
OpenReceiveSockets = new HashSet <Socket>();
OnFault = FaultBehavior.CrashOnFault;
SocketDirection = socketDirection;
checkedOutSocketEventArgsCounter = CounterStatistic.FindOrCreate(StatisticNames.MESSAGE_ACCEPTOR_CHECKED_OUT_SOCKET_EVENT_ARGS, false);
checkedInSocketEventArgsCounter = CounterStatistic.FindOrCreate(StatisticNames.MESSAGE_ACCEPTOR_CHECKED_IN_SOCKET_EVENT_ARGS, false);
IntValueStatistic.FindOrCreate(StatisticNames.MESSAGE_ACCEPTOR_IN_USE_SOCKET_EVENT_ARGS,
() => checkedOutSocketEventArgsCounter.GetCurrentValue() - checkedInSocketEventArgsCounter.GetCurrentValue());
}
// We use object pooling in the following way, if the pool is empty
// a new object is created, this is effectively just as expensive as
// creating a new string builder, if we succeed with our operation
// we return (possibly a new string builder) to the pool.
// IT'S IMPORTANT THAT WE RESET THE STRING BUILDER BEFORE PUTTING IT BACK IN THE POOL.
// If an exception occurs between the getting and putting back we simply
// allow the object to get lost in the ether. It will eventually get garbage collected.
public static string Encode(this BaseConverter converter, int v)
{
var sb = ConcurrentObjectPool <StringBuilder> .Get();
converter.Encode(v, sb);
var s = sb.ToString();
// reset
sb.Length = 0;
ConcurrentObjectPool <StringBuilder> .Put(sb);
return(s);
}
public static string Encode(this BaseConverter converter, byte[] bytes, int offset, int length)
{
var sb = ConcurrentObjectPool <StringBuilder> .Get();
converter.Encode(bytes, offset, length, sb);
var s = sb.ToString();
// reset
sb.Length = 0;
ConcurrentObjectPool <StringBuilder> .Put(sb);
return(s);
}
public static byte[] DecodeBytes(this BaseConverter converter, string s, int startIndex, int length)
{
var buffer = ConcurrentObjectPool <MemoryStream> .Get();
converter.DecodeBytes(s, startIndex, length, buffer);
var bytes = new byte[buffer.Length];
buffer.Position = 0;
buffer.Read(bytes, 0, bytes.Length);
// reset
buffer.SetLength(0);
ConcurrentObjectPool <MemoryStream> .Put(buffer);
return(bytes);
}
/// <summary>
/// Clears current message pool.
/// </summary>
public static void Clear()
{
s_pool = new ConcurrentObjectPool <Message>(MAX_POOL_SIZE);
}
static MessagePool()
{
s_pool = new ConcurrentObjectPool <Message>(MAX_POOL_SIZE);
}
