private Packet GetPingPacket(FalconPeer peerToBorrowPacketFrom)
{
var pingPacket = peerToBorrowPacketFrom.BorrowPacketFromPool();
pingPacket.WriteByte((byte)FalconTestMessageType.Ping);
return(pingPacket);
}
internal DatagramSocketTransceiver(FalconPeer localPeer)
{
this.localPeer = localPeer;
this.messagesBuffer = new byte[localPeer.ReceiveBufferSize];
this.messageDetails = new Queue <MessageDetail>();
this.outputStreams = new Dictionary <IPEndPoint, IOutputStream>();
}
private IEnumerable <FalconPeer> ConnectXNumOfPeers(FalconPeer host, int numOfOtherPeers, string pass)
{
var otherPeers = new List <FalconPeer>(numOfOtherPeers);
for (var i = 0; i < numOfOtherPeers; i++)
{
var otherPeer = CreateAndStartLocalPeer();
// connect to the host
ConnectToLocalPeer(otherPeer, host, pass);
// connect to each other peer
foreach (var peer in otherPeers)
{
ConnectToLocalPeer(otherPeer, peer, pass);
}
// allow future other peers to connect to this one
otherPeer.SetVisibility(true, pass, false);
otherPeers.Add(otherPeer);
}
foreach (var fp in otherPeers)
{
fp.SetVisibility(false, null, false);
}
return(otherPeers);
}
private FalconPeer CreateAndStartLocalPeer(int port = -1, float ackTimeout = Single.NaN, float keepAliveInterval = Single.NaN)
{
if (port == -1)
{
port = GetUnusedPortNumber();
}
#if DEBUG
FalconPeer peer = new FalconPeer(port, ProcessReceivedPacket, FalconPoolSizes.Default, null, LogLevel.Debug);
#else
FalconPeer peer = new FalconPeer(port, ProcessReceivedPacket, FalconPoolSizes.Default);
#endif
if (!Single.IsNaN(ackTimeout))
{
peer.AckTimeout = TimeSpan.FromSeconds(ackTimeout);
}
if (!Single.IsNaN(keepAliveInterval))
{
peer.KeepAliveInterval = TimeSpan.FromSeconds(keepAliveInterval);
}
var tr = peer.TryStart();
Assert.IsTrue(tr.Success, tr.NonSuccessMessage);
if (tr.Success)
{
lock (activePeers)
{
activePeers.Add(peer);
}
}
return(peer);
}
public AutonomousTransciever(FalconPeer localPeer)
{
this.localPeer = localPeer;
this.anyAddrEndPoint = new IPEndPoint(IPAddress.Any, localPeer.Port);
this.socket = new Socket(AddressFamily.InterNetwork, SocketType.Dgram, ProtocolType.Udp);
this.lastDatagramBuffer = new byte[FalconPeer.MaxDatagramSize];
this.receivedDatagramsBuffer = new byte[localPeer.ReceiveBufferSize];
this.receivedDatagramDetails = new Queue <DatagramDetail>();
}
internal static IFalconTransceiver Create(FalconPeer localPeer)
{
#if NETFX_CORE && !WINDOWS_UWP
return(new DatagramSocketTransceiver(localPeer));
#elif PS4
return(new AutonomousTransciever(localPeer));
#else
return(new SocketTransceiver(localPeer));
#endif
}
internal ReceiveChannel(SendOptions channelType, FalconPeer localPeer, RemotePeer remotePeer)
{
this.channelType = channelType;
this.localPeer = localPeer;
this.remotePeer = remotePeer;
this.isReliable = (channelType & SendOptions.Reliable) == SendOptions.Reliable;
this.isInOrder = (channelType & SendOptions.InOrder) == SendOptions.InOrder;
this.receivedPackets = new SortedList <float, Packet>();
this.packetsRead = new List <Packet>();
this.numberOfDatagramSequencesReadToKeep = localPeer.MaxOutOfOrderTolerence * 2;
this.datagramsSeqRecentlyRead = new List <ushort>(this.numberOfDatagramSequencesReadToKeep);
}
private void ConnectToLocalPeer(FalconPeer peer, FalconPeer remotePeer, string pass, Packet userData = null)
{
var mre = new ManualResetEvent(false);
FalconOperationResult <int> result = null;
lock (falconPeerLock)
{
peer.TryJoinPeerAsync("127.0.0.1", remotePeer.Port, pass, rv =>
{
result = rv;
mre.Set();
}, userData);
}
mre.WaitOne();
Assert.IsTrue(result.Success, result.NonSuccessMessage);
}
internal void Init(FalconPeer falconPeer,
bool listenForReply,
float durationSeconds,
int numOfSignalsToEmit,
int maxNumOfPeersToDiscover,
IEnumerable <IPEndPoint> endPointsToSendTo,
Guid?token,
DiscoveryCallback callback)
{
// NOTE: This class is re-used from a pool so this method needs to fully reset
// the class.
if (listenForReply)
{
Debug.Assert(callback != null, "callback required if listening for a reply");
}
else
{
Debug.Assert(callback == null, "callback must be null if not listening for a reply");
}
Debug.Assert(maxNumOfPeersToDiscover > 0, "max no. of peers to receive a reply must be greater than 0");
this.TaskEnded = false;
this.falconPeer = falconPeer;
this.emitCount = 0;
this.listenForReply = listenForReply;
this.callback = callback;
this.secondsBetweenEmits = (durationSeconds / numOfSignalsToEmit);
this.totalEmits = numOfSignalsToEmit;
this.maxNumberPeersToDiscover = maxNumOfPeersToDiscover;
this.token = token;
this.ellapsedSecondsSinceLastEmit = 0.0f;
if (token.HasValue)
{
Buffer.BlockCopy(Const.DISCOVER_PACKET_WITH_TOKEN_HEADER, 0, signal, 0, Const.DISCOVER_PACKET_WITH_TOKEN_HEADER.Length);
Buffer.BlockCopy(token.Value.ToByteArray(), 0, signal, Const.DISCOVER_PACKET.Length, Const.DISCOVERY_TOKEN_SIZE);
}
else
{
Buffer.BlockCopy(Const.DISCOVER_PACKET, 0, signal, 0, Const.DISCOVER_PACKET.Length);
}
this.endPointsToSendTo.Clear();
this.endPointsToSendTo.AddRange(endPointsToSendTo);
this.endPointsReceivedReplyFrom.Clear();
}
internal RemotePeer(FalconPeer localPeer, IPEndPoint endPoint, int peerId, bool keepAliveAndAutoFlush = true)
{
this.Id = peerId;
this.localPeer = localPeer;
this.endPoint = endPoint;
#if DEBUG
this.PeerName = endPoint.ToString();
#else
this.PeerName = String.Empty;
#endif
this.unreadPacketCount = 0;
this.sendDatagramsPool = new DatagramPool(FalconPeer.MaxDatagramSize, localPeer.PoolSizes.InitalNumSendDatagramsToPoolPerPeer);
this.sentDatagramsAwaitingACK = new List <Datagram>();
this.qualityOfService = new QualityOfService(localPeer.LatencySampleSize, localPeer.ResendRatioSampleSize);
this.delayedDatagrams = new List <DelayedDatagram>();
this.keepAliveAndAutoFlush = keepAliveAndAutoFlush;
this.allUnreadPackets = new List <Packet>();
this.enqueudAcks = new Queue <AckDetail>();
CreateSendRecieveChannels();
}
private void Tick()
{
lock (falconPeerLock)
{
lock (activePeers)
{
foreach (var peer in activePeers)
{
peerProcessingReceivedPacketsFor = peer;
if (peer.IsStarted)
{
peer.Update();
if (!disableSendFromPeers.Contains(peer))
{
peer.SendEnquedPackets();
}
}
}
}
}
}
public SocketTransceiver(FalconPeer localPeer)
{
this.localPeer = localPeer;
this.anyAddrEndPoint = new IPEndPoint(IPAddress.Any, localPeer.Port);
this.socket = new Socket(AddressFamily.InterNetwork, SocketType.Dgram, ProtocolType.Udp);
}
private void ProcessReceivedPacket(Packet packet)
{
IPEndPoint sender;
FalconPeer peer = peerProcessingReceivedPacketsFor;
if (!peer.TryGetPeerIPEndPoint(packet.PeerId, out sender))
{
Debug.WriteLine("Failed to find IPEndPoint of peer packet received from!");
//Assert.Fail("Failed to find IPEndPoint of peer packet received from!");
return;
}
if (packet.BytesWritten == 0)
{
Debug.WriteLine("Empty packet!?");
return;
}
var type = (FalconTestMessageType)packet.ReadByte();
switch (type)
{
case FalconTestMessageType.Ping:
{
Debug.WriteLine("Ping received from: {0}, sending pong...", sender);
var pongPacket = peer.BorrowPacketFromPool();
pongPacket.WriteByte((byte)FalconTestMessageType.Pong);
peer.EnqueueSendTo(packet.PeerId, SendOptions.ReliableInOrder, pongPacket);
}
break;
case FalconTestMessageType.Pong:
{
Debug.WriteLine("Pong received from: {0}!", sender);
if (replyReceived != null)
{
replyReceived(sender, packet);
}
}
break;
case FalconTestMessageType.RandomBytes:
{
var opts = (SendOptions)packet.ReadByte();
//Assert.IsTrue(Enum.IsDefined(typeof(SendOptions), opts), "Invalid SendOptions");
if (!Enum.IsDefined(typeof(SendOptions), opts))
{
Debug.WriteLine("Invalid SendOptions");
}
var length = packet.ReadUInt16();
Debug.WriteLine(" -> RandomBytes received from: {0}, on channel: {1}, purported length: {2}, actual: {3}", sender, opts, length, packet.BytesRemaining);
var bytes = packet.ReadBytes(length);
var reply = peer.BorrowPacketFromPool();
reply.WriteByte((byte)FalconTestMessageType.RandomBytesReply);
reply.WriteUInt16((ushort)bytes.Length);
reply.WriteBytes(bytes);
peer.EnqueueSendTo(packet.PeerId, opts, reply);
}
break;
case FalconTestMessageType.RandomBytesReply:
{
Debug.WriteLine(" <- RandomBytesReply received from: {0}", sender);
if (replyReceived != null)
{
replyReceived(sender, packet);
}
}
break;
default:
{
//Assert.Fail("Unhandeled FalconTestMessagePacketType: " + type.ToString());
Debug.WriteLine("Unhandeled FalconTestMessagePacketType: " + type.ToString());
}
break;
}
}
