/// <summary>Inlet content</summary>
/// <param name="content">Content</param>
internal void Inlet(Content content)
{
// Last receipt time
LastReceiptTime = (uint)Stopwatch.ElapsedMilliseconds;
// Unreliable content
if ((content.Protocol & Content.IDENTIFIABLE) == 0)
{
// Channel unreliable
Unreliable.Inlet(content);
}
// Reliable content
else
{
// Measure latency
if (content.Protocol == Content.RESPONSE)
{
MeasureLatency(content.Timestamp);
}
// Channel reliable
Reliable.Inlet(content);
}
}
public void ShouldProcessOnMultipleThreads()
{
// Arrange
var breaker = new CircuitBreaker();
var source = Enumerable.Range(0, 100).ToArray();
// Act
var usedThreadIds = new List <int>();
Reliable.ParallelForEach(
breaker,
source,
elements => usedThreadIds.Add(Thread.CurrentThread.ManagedThreadId),
new RetryOptions
{
AllowedRetries = 5,
RetryInterval = TimeSpan.Zero
},
new ParallelOptions
{
MaxDegreeOfParallelism = 100
});
// Assert
if (usedThreadIds.Distinct().Count() == 1)
{
Assert.Inconclusive("This test relies on multiple threads, however only one was ever spawned.");
}
}
/// <summary>
/// Sends a datagram with the specified AckResolver info
/// The datagram must be sent reliably, but the AckResolver
/// is already in the buffer, so there's no need to add it again.
/// </summary>
/// <param name="resolver">The AckResolver with the datagram info</param>
private void SendDatagram(AckResolver resolver)
{
byte[] msgBytes;
// Append the ack index count to the message, to communicate to the
// client what reliable datagram count it represents
msgBytes = Encoding.ASCII.GetBytes(Reliable.CreateString(resolver.AckIndex, resolver.Message));
_client.Send(msgBytes, msgBytes.Length);
}
public void Broadcast(byte[] buf, int offset, int size, bool reliable = true)
{
if (reliable)
{
Reliable.Broadcast(buf, offset, size);
}
else
{
Unreliable.Broadcast(buf, offset, size);
}
}
/// <summary>Outlet content</summary>
/// <param name="content">Content</param>
internal void Outlet(Content content)
{
if (content == null)
{
return;
}
if (content.Protocol != Content.PONG)
{
content.Timestamp = (uint)Stopwatch.ElapsedMilliseconds;
}
// Channel unreliable
Unreliable.Outlet(content);
// Channel reliable
Reliable.Outlet(content);
}
/// <summary>
/// Generically sends a datagram to the specified end points, either reliable or unreliable.
/// </summary>
/// <param name="message">The message to send</param>
/// <param name="isReliable">Whether the handler should ensure
/// the message reaches its intended recipient</param>
/// <param name="endPoints">The client(s) to send the datagram to</param>
public void SendDatagram(string message, bool isReliable)
{
byte[] msgBytes;
if (isReliable)
{
if (_resolverBuffer.Count >= 100)
{
return;
}
// Append the ack index count to the message, to communicate to the
// client what reliable datagram count it represents
msgBytes = Encoding.ASCII.GetBytes(Reliable.CreateString(_ackCurrentIndex, message));
// Add a new AckResolver to the resolver buffer, which will
// resend the datagram if the timeout is reached
// before receiving an ACK
AddAckResolver(
new AckResolver()
{
AckIndex = _ackCurrentIndex,
TicksStart = DateTime.Now.Ticks,
Message = message
}
);
_ackCurrentIndex += 1;
}
else
{
msgBytes = Encoding.ASCII.GetBytes(Unreliable.CreateString(message));
}
try
{
_client.Send(msgBytes, msgBytes.Length);
}
catch (SocketException)
{
_displayDisconnection.Display();
}
}
{ /// <summary>
/// Handles all reliable packets received from clients
/// </summary>
static public void Handle_Reliable(Reliable pkt, Client client)
{ //Get the relevant stream
Client.StreamState stream = client._streams[pkt.streamID];
//Is the reliable number what we expected?
if (pkt.rNumber > stream.C2S_Reliable)
{ //Report it!
Log.write(TLog.Inane, "OOS Reliable Packet Stream[{0}]. {1} vs {2}", pkt.streamID, pkt.rNumber, stream.C2S_Reliable);
client.reportOutOfSync(pkt, pkt.rNumber, pkt.streamID);
return;
}
//A previously received reliable?
else if (pkt.rNumber < stream.C2S_Reliable)
{ //Re-send the echo
ReliableEcho resent = new ReliableEcho(pkt.streamID);
resent.rNumber = (ushort)(stream.C2S_Reliable - 1);
client.send(resent);
return;
}
//Expect the next!
stream.C2S_Reliable++;
//Handle the message we're supposed to receive
client._handler.handlePacket(pkt.packet, client);
//If we have other packets in seqence waiting in store, use them too
PacketBase unhandled;
ushort reliableNext = stream.C2S_Reliable;
while (stream.oosReliable.TryGetValue(reliableNext, out unhandled))
{ //Handle it and go to next packet
client._handler.handlePacket(unhandled, client);
stream.oosReliable.Remove(reliableNext++);
}
//Prepare an echo for all received packets
ReliableEcho echo = new ReliableEcho(pkt.streamID);
echo.rNumber = (ushort)(stream.C2S_Reliable - 1);
client.send(echo);
}
public void ShouldProcessAllElementsInOrder()
{
// Arrange
var breaker = new CircuitBreaker();
var source = Enumerable.Range(0, 10).ToArray();
// Act
var processedElements = new List <int>();
Reliable.ForEach(
breaker,
source,
processedElements.Add,
new RetryOptions
{
AllowedRetries = 5,
RetryInterval = TimeSpan.Zero
});
// Assert
CollectionAssert.AreEqual(source, processedElements);
}
{ /// <summary>
/// Creates a new system protocol packet.
/// </summary>
public PacketBase createSystemPacket(ushort typeID, byte[] buffer, int offset, int size)
{ //Ready our packet base
PacketBase packet = null;
offset++;
size--;
//What are we dealing with?
switch (typeID)
{
case CS_Initial.TypeID:
packet = new CS_Initial(typeID, buffer, offset, size);
break;
case BoxPacket.TypeID:
packet = new BoxPacket(typeID, buffer, offset, size);
break;
case Disconnect.TypeID:
packet = new Disconnect(typeID, buffer, offset, size);
break;
case PingPacket.TypeID:
packet = new PingPacket(typeID, buffer, offset, size);
break;
case CS_State.TypeID:
packet = new CS_State(typeID, buffer, offset, size);
break;
case Reliable.TypeID:
packet = new Reliable(typeID, buffer, offset, size, 0);
break;
case Reliable.TypeID + 1:
packet = new Reliable(typeID, buffer, offset, size, 1);
break;
case Reliable.TypeID + 2:
packet = new Reliable(typeID, buffer, offset, size, 2);
break;
case Reliable.TypeID + 3:
packet = new Reliable(typeID, buffer, offset, size, 3);
break;
case OutOfSync.TypeID:
packet = new OutOfSync(typeID, buffer, offset, size, 0);
break;
case OutOfSync.TypeID + 1:
packet = new OutOfSync(typeID, buffer, offset, size, 1);
break;
case OutOfSync.TypeID + 2:
packet = new OutOfSync(typeID, buffer, offset, size, 2);
break;
case OutOfSync.TypeID + 3:
packet = new OutOfSync(typeID, buffer, offset, size, 3);
break;
case ReliableEcho.TypeID:
packet = new ReliableEcho(typeID, buffer, offset, size, 0);
break;
case ReliableEcho.TypeID + 1:
packet = new ReliableEcho(typeID, buffer, offset, size, 1);
break;
case ReliableEcho.TypeID + 2:
packet = new ReliableEcho(typeID, buffer, offset, size, 2);
break;
case ReliableEcho.TypeID + 3:
packet = new ReliableEcho(typeID, buffer, offset, size, 3);
break;
case ReliableBox.TypeID:
packet = new ReliableBox(typeID, buffer, offset, size, 0);
break;
case ReliableBox.TypeID + 1:
packet = new ReliableBox(typeID, buffer, offset, size, 1);
break;
case ReliableBox.TypeID + 2:
packet = new ReliableBox(typeID, buffer, offset, size, 2);
break;
case ReliableBox.TypeID + 3:
packet = new ReliableBox(typeID, buffer, offset, size, 3);
break;
case DataPacketRcv.TypeID:
packet = new DataPacketRcv(typeID, buffer, offset, size, 0);
break;
case DataPacketRcv.TypeID + 1:
packet = new DataPacketRcv(typeID, buffer, offset, size, 1);
break;
case DataPacketRcv.TypeID + 2:
packet = new DataPacketRcv(typeID, buffer, offset, size, 2);
break;
case DataPacketRcv.TypeID + 3:
packet = new DataPacketRcv(typeID, buffer, offset, size, 3);
break;
default:
//An undefined packet.
packet = new PacketDummy(typeID, buffer, offset, size);
break;
}
return(packet);
}
} = 0.30; //30%
public override SearchResult Search(BitBoard bb, int depth)
{
return(IsRevolution() ? Adventure.Search(bb, depth) : Reliable.Search(bb, depth));
}
public override string toFullString()
{
return(Denomination + "; cc " + CreditCard + "; phone " + PhoneNumber + "; email " + EMail + "; reliable = " + Reliable.ToString() + "; " + Address.toFullString() + "; fiscalcode = " + ID);
}
public Sub(Reliable <T> parent, IReliableObserver <T> observer)
{
_parent = parent;
_observer = observer;
}
public Observer(Reliable <T> parent) => _parent = parent;
/// <summary>Timeout</summary>
internal void Timeout()
{
// Time
var time = (uint)Stopwatch.ElapsedMilliseconds;
// Channel unreliable
Unreliable.Timeout(time);
// Channel reliable
Reliable.Timeout(time);
// Disconnecting
if (
(
Reliable.Muted() ||
Unreliable.Muted()
) || (
CheckStatus(Status.Close | Status.Wait) &&
Unreliable.Released() &&
Reliable.Released()
)
)
{
// Change status
ChangeStatus(Status.Close | Status.Done);
if (Reliable.Muted() || Reliable.Muted())
{
Network.Raise(EventType.Unlinked, Reason.Muted, this);
}
else
{
Network.Raise(EventType.Unlinked, Reason.Unlinked, this);
}
return;
}
// Settings
var downtime = Network.Settings.Downtime;
var pingInterval = Network.Settings.PingInterval;
// Downtime
if ((time - LastReceiptTime) > downtime)
{
// Timeout
if (
CheckStatus(Status.Connect | Status.Wait) ||
CheckStatus(Status.Connect | Status.Done)
)
{
Network.Raise(EventType.Unlinked, Reason.Timeout, this);
}
// Host not accessible
else if (CheckStatus(Status.Connect))
{
Network.Raise(EventType.Failed, Failure.NotAccessible, this);
}
// Change status
ChangeStatus(Status.Close | Status.Done);
}
// Ping
if (
CheckStatus(Status.Connect | Status.Done) &&
(time - LastPingTime) > pingInterval
)
{
// Last ping interval
LastPingTime = time;
// Ping
var content = Content.Unreliable();
content.Protocol = Content.PING;
// Set the current timestamp and pack
content.Timestamp = time;
content.Packing();
// Send immediately
var size = (uint)Network.Outlet(content, this);
// Statistics
Statistics.PacketSent(size, false);
Network.Statistics.PacketSent(size, false);
}
}
