private void RemovePeerFromDictionaries(PeerData peer, string reason)
{
if (peer != null)
{
if (PeersTx.ContainsKey(peer.SubnetworkIP))
{
PeersTx.Remove(peer.SubnetworkIP);
}
if (PeersRxSupport.ContainsKey(peer.GetSupportEndpoint()))
{
PeersRxSupport.Remove(peer.GetSupportEndpoint());
}
if (PeersRxTransmission.ContainsKey(peer.GetSupportEndpoint()))
{
PeersRxTransmission.Remove(peer.GetTransmissionEndpoint());
}
OnPeerListChanged(this, new PeerListChangedEventArgs(PeersRxSupport.Values.ToArray()));
if (reason != null)
{
Logger.Instance.LogMsg("Usunięto użytkownika (" + reason + "): " + peer.ToString());
}
else
{
Logger.Instance.LogMsg("Usunięto użytkownika: " + peer.ToString());
}
}
}
private void addOrUpdatePeerToRoster(JObject peerData)
{
Debug.WriteLine("addOrUpdatePeerToRoster " + peerData);
string serverId = (string)peerData["id"];
PeerData peer = null;
if (_roster.ContainsKey(serverId))
{
peer = _roster[serverId];
}
else
{
peer = new PeerData();
}
peer.name = (string)peerData["name"];
peer.localIntId = serverId.GetHashCode();
peer.online = (bool)peerData["online"];
peer.serverId = (string)peerData["id"];
peer.token = (string)peerData["token"];
peer.type = (string)peerData["type"];
peer.user = (string)peerData["user"];
if (!_roster.ContainsKey(serverId))
{
_roster.Add(peer.serverId, peer);
_localIntIdsToServerIds.Add(peer.localIntId, peer.serverId);
RaiseOnPeerConnected(peer.localIntId, peer.user);
}
}
public override async Task <bool> SendToPeer(int peerId, string message)
{
Debug.WriteLine("SympleSignaller:SendToPeer string: " + peerId + " " + message);
Debug.Assert(IsConnected());
if (!IsConnected())
{
return(false);
}
if (_localIntIdsToServerIds.ContainsKey(peerId))
{
string peerServerId = _localIntIdsToServerIds[peerId];
PeerData recipientPeerData = _roster[peerServerId];
Debug.WriteLine("original message: " + message);
JObject parameters = new JObject();
parameters["to"] = peerDataToJObject(recipientPeerData);
parameters["type"] = "message";
parameters["misc_message"] = message; // TODO: not doing anything meaningful with the "BYE" message that PeerCC sends
send(parameters);
return(true);
}
else
{
Debug.WriteLine("attempted SendToPeer on unknown peer id " + peerId);
throw new NotImplementedException();
}
throw new NotImplementedException();
}
private void onConnect(long peerId)
{
Debug.Assert(!peerToCodec.ContainsKey(peerId));
var data = new PeerData();
peerToCodec[peerId] = data;
Global.RoomPID.Tell(new RoomCmdEnter {
peerId = peerId
});
data.codec.FrameCb = frame =>
{
try
{
var msg = PBSerializer.Deserialize(typeDb, frame);
Global.RoomPID.Tell(new RoomCmdMsg {
msg = msg, peerId = peerId
});
}
catch (Exception e)
{
this.Fatal(e.ToString());
}
};
}
private void SocketOnAnnounced(object resObj)
{
Debug.WriteLine("TODO: SocketOnAnnounced");
JObject res = (JObject)resObj;
if ((int)res["status"] != 200)
{
// authentication error
RaiseOnServerConnectionFailure();
return;
}
JObject myPeerData = (JObject)res["data"];
Debug.WriteLine("myPeerData: " + myPeerData.ToString());
string serverId = (string)myPeerData["id"];
addOrUpdatePeerToRoster(myPeerData);
_myPeerData = _roster[serverId];
JObject sendPresenceParams = new JObject();
sendPresenceParams["probe"] = true;
this.sendPresence(sendPresenceParams);
_socket.On(Socket.EVENT_MESSAGE, SocketOnMessage);
RaiseOnSignedIn();
}
private void StartDriver(Subnetwork subnetwork, uint localIP, string UserName)
{
CurrentSubnetwork = subnetwork;
IP = localIP;
BroadcastAddress = subnetwork.Address | ~(subnetwork.CIDR.GetMaskFromCIDR());
Me = new PeerData(
UserName,
localIP,
LocalEndpointSupport.Address.IPToInt(),
LocalEndpointSupport.Port,
LocalEndpointTransmission.Port,
KeyExchange.GetPublicKey()
);
AddPeerToDictionaries(Me);
try
{
Driver.SetFilter(subnetwork.Address, subnetwork.CIDR.GetMaskFromCIDR(), localIP);
InterfaceConfig.AddIP(localIP, subnetwork.CIDR.GetMaskFromCIDR());
Driver.StartReading(ProcessReceivedDriverData);
DriverStarted = true;
OnConnected(this, null);
}
catch
{
_Connected = false;
throw;
}
}
public static void AddOrUpdate(PeerData contact)
{
var exists = PeerDataContainer.Containers.Any(s => s.Key == contact.UserId);
var contactContainer = exists
? PeerDataContainer.Containers[contact.UserId]
: PeerDataContainer.CreateContainer(contact.UserId, ApplicationDataCreateDisposition.Always);
contactContainer.Values.AddOrUpdate(nameof(PeerData.Name), contact.Name);
contactContainer.Values.AddOrUpdate(nameof(PeerData.Avatar), contact.Avatar);
contactContainer.Values.AddOrUpdate(nameof(PeerData.IsOnline), contact.IsOnline);
}
internal bool Connect(PeerData peerData)
{
Logger.GetLog().Debug("次のピアに接続します: " + peerData.PeerId + "(" + peerData.Address + ":" + peerData.Port + ")");
this.PeerData = peerData;
bool result = socket.Connect(peerData.Address, peerData.Port);
Logger.GetLog().Debug("接続結果: " + result);
return(result);
}
private void AddPeerToDictionaries(PeerData peer)
{
if (peer != null)
{
PeersTx.Add(peer.SubnetworkIP, peer);
PeersRxSupport.Add(peer.GetSupportEndpoint(), peer);
PeersRxTransmission.Add(peer.GetTransmissionEndpoint(), peer);
OnPeerListChanged(this, new PeerListChangedEventArgs(PeersRxSupport.Values.ToArray()));
Logger.Instance.LogMsg("Dodano użytkownika: " + peer.ToString());
}
}
public SympleSignaller() : base()
{
_myPeerData = new PeerData();
_roster = new Dictionary <string, PeerData>();
_localIntIdsToServerIds = new Dictionary <int, string>();
// comment these out if not needed
Messenger.AddListener <string>(SympleLog.LogTrace, OnLog);
Messenger.AddListener <string>(SympleLog.LogDebug, OnLog);
Messenger.AddListener <string>(SympleLog.LogInfo, OnLog);
Messenger.AddListener <string>(SympleLog.LogError, OnLog);
}
private JObject peerDataToJObject(PeerData pd)
{
JObject p = new JObject();
p["user"] = pd.user;
p["name"] = pd.name;
p["type"] = pd.type;
p["token"] = pd.token;
p["id"] = pd.serverId;
p["online"] = pd.online;
return(p);
}
private void EncryptAndSendTransmissionPacket(byte[] data, PeerData peer)
{
byte[] encryptedData = Encryption.Encrypt(data, peer.KeyIndex);
if (encryptedData != null)
{
UdpTransmission.Send(encryptedData, encryptedData.Length, peer.GetTransmissionEndpoint());
Stats.ULBytes += (ulong)data.Length;
Stats.ULPackets++;
peer.Stats.ULBytes += (ulong)data.Length;
peer.Stats.ULPackets++;
}
}
private Task InitiateNewUser(PeerData peer, uint subnetworkIP)
{
return(Task.Run(() =>
{
// pakiet dla nowego użytkownika
UdpNewPeerPacket packet = new UdpNewPeerPacket(
peer.Name,
subnetworkIP,
true,
PeersRxSupport.Values.ToArray(),
CurrentSubnetwork
);
byte[] data = GetSerializedBytes <UdpNewPeerPacket>(packet);
ReceivedConfirmation = new ManualResetEvent(false);
NewPeer = peer;
int retryCounter = 0;
while (retryCounter++ < ConnectionRetries && !CancelToken.IsCancellationRequested)
{
UdpSupport.Send(data, data.Length, peer.GetSupportEndpoint());
if (ReceivedConfirmation.WaitOne(2000))
{
break;
}
}
NewPeer = null;
if (retryCounter > ConnectionRetries)
{
throw new NewClientNotReachedException("Czas wywołania minął!", null);
}
if (!CancelToken.IsCancellationRequested)
{
return;
}
// pakiet dla pozostałych
packet = new UdpNewPeerPacket(
null,
0,
false,
new PeerData[1] {
peer
},
null
);
Broadcast <UdpNewPeerPacket>(packet);
}));
}
public override async Task <bool> SignOut()
{
Debug.WriteLine("SympleSignaller:SignOut");
if (_socket != null)
{
_socket.Disconnect();
_socket.Close();
_socket = null;
}
_roster.Clear();
_localIntIdsToServerIds.Clear();
_myPeerData = new PeerData();
return(true);
}
public async void AddPeer(string ConnectionString, uint SubnetworkIP)
{
if (!_Connected)
{
OnAddedPeer(this, new AddedPeerEventArgs(false, new InvalidOperationException("Żadne połączenie nie jest obecnie otwarte.")));
return;
}
if ((SubnetworkIP & CurrentSubnetwork.CIDR.GetMaskFromCIDR()) != CurrentSubnetwork.Address)
{
OnAddedPeer(this, new AddedPeerEventArgs(false, new InvalidOperationException("Wybrany adres IP jest spoza zakresu możliwych adresów w tej sieci.")));
return;
}
foreach (uint ip in PeersTx.Keys)
{
if (ip == SubnetworkIP)
{
OnAddedPeer(this, new AddedPeerEventArgs(false, new InvalidOperationException("Wybrany adres IP jest już przypisany do innego użytkownika. Proszę wybrać inny.")));
return;
}
}
if (ConnectionString.IndexOf(URI) > -1)
{
ConnectionString = ConnectionString.Remove(ConnectionString.IndexOf(URI), URI.Length + 1);
}
PeerData peer = null;
try
{
Base64PeerData peerData = Base64PeerData.GetBase64PeerData(ConnectionString);
peer = PeerData.GetDataFromBase64PeerData(peerData, SubnetworkIP);
await InitiateNewUser(peer, SubnetworkIP);
OnAddedPeer(this, new AddedPeerEventArgs(true, null));
}
catch (Exception ex)
{
RemovePeerFromDictionaries(peer, null);
OnAddedPeer(this, new AddedPeerEventArgs(false, ex));
}
}
public bool Connect(PeerData peerData)
{
Peer peer = new Peer(this);
peer.Closed += new EventHandler(Peer_Closed);
peer.ReadLine += new EventHandler <ReadLineEventArgs>(Peer_ReadLine);
peer.PeerId += () => { return(PeerId()); };
bool result = peer.Connect(peerData);
if (result)
{
peerList.Add(peer);
ConnectionsChanged(this, EventArgs.Empty);
}
return(result);
}
private void ProcessReceivedDriverData(byte[] data)
{
if (data.Length < 20)
{
return;
}
uint sendTo = BitConverter.ToUInt32(data, 16).InvertBytes();
PeerData peer = null;
if (sendTo == BroadcastAddress)
{
BroadcastTransmissionPacket(data);
}
else if (PeersTx.TryGetValue(sendTo, out peer))
{
EncryptAndSendTransmissionPacket(data, peer);
}
}
private void NegotiateKey(PeerData peer, UdpKeyNegotiationPacket packet)
{
if (!peer.KeyExchangeInProgress)
{
UdpKeyNegotiationPacket negoPacket = new UdpKeyNegotiationPacket(
KeyExchange.GetKeyMaterial(),
KeyExchange.GetDSASignature()
);
SendPacket <UdpKeyNegotiationPacket>(negoPacket, peer.GetSupportEndpoint());
}
if (packet != null)
{
Encryption.DeleteKeyIfInStore(peer.KeyIndex);
peer.KeyIndex = Encryption.AddKeyToStore(
KeyExchange.GetDerivedKey(packet.KeyMaterial, packet.DSASignature, peer.PublicKey)
);
peer.KeyExchangeInProgress = false;
}
else
{
peer.KeyExchangeInProgress = true;
}
}
void Update()
{
int recHostId;
int recConnectionId;
int dataSize;
byte error;
NetworkEventType recData = NetworkTransport.Receive(out recHostId, out recConnectionId, out channelId, recBuffer, recBuffer.Length, out dataSize, out error);
switch (recData)
{
case NetworkEventType.Nothing:
break;
case NetworkEventType.ConnectEvent:
Debug.Log("Connected");
CreateProcessManager(recConnectionId);
MemoryStream sendstream2 = new MemoryStream();
sendstream2.WriteByte(MESSAGE_GET_PEERS);
new BinaryFormatter().Serialize(sendstream2, localProcessManager.peerId);
byte[] b2 = sendstream2.ToArray();
NetworkTransport.Send(hostId, recConnectionId, channelId, b2, b2.Length, out error);
break;
case NetworkEventType.DataEvent:
//Debug.Log ("DATA "+dataSize);
MemoryStream stream = new MemoryStream(recBuffer, 0, dataSize);
byte type = (byte)stream.ReadByte();
switch (type)
{
case MESSAGE_PROCESS_LIST:
Dictionary <int, ProcessData> processes = (Dictionary <int, ProcessData>) new BinaryFormatter().Deserialize(stream);
playerProcessManagers[recConnectionId].UpdateProcesses(processes);
break;
case MESSAGE_KILL_PROCESS:
int processId = (int)new BinaryFormatter().Deserialize(stream);
KillLocalProcess(processId);
break;
case MESSAGE_GET_PEERS:
Debug.LogError("Send peer list");
int remotePeerId = (int)new BinaryFormatter().Deserialize(stream);
foreach (KeyValuePair <int, PlayerProcessManager> player in playerProcessManagers)
{
if (remotePeerId == player.Value.peerId)
{
Debug.LogError("Duplicate connection " + recConnectionId + " with player " + player.Key + " detected, disconnect");
NetworkTransport.Disconnect(hostId, recConnectionId, out error);
}
}
playerProcessManagers[recConnectionId].peerId = remotePeerId;
Dictionary <int, PeerData> peers = new Dictionary <int, PeerData>();
foreach (KeyValuePair <int, PlayerProcessManager> player in playerProcessManagers)
{
if (player.Key == 0)
{
continue; // ignore local player
}
if (player.Key == recConnectionId)
{
continue; // ignore remote player
}
PeerData peer = new PeerData();
UnityEngine.Networking.Types.NetworkID network;
UnityEngine.Networking.Types.NodeID dstNode;
NetworkTransport.GetConnectionInfo(hostId, player.Key, out peer.address, out peer.port, out network, out dstNode, out error);
peers.Add(player.Key, peer);
}
MemoryStream sendstream = new MemoryStream();
sendstream.WriteByte(MESSAGE_PEERS);
new BinaryFormatter().Serialize(sendstream, peers);
byte[] b = sendstream.ToArray();
NetworkTransport.Send(hostId, recConnectionId, channelId, b, b.Length, out error);
break;
case MESSAGE_PEERS:
Debug.LogError("Recieve peer list");
Dictionary <int, PeerData> remotepeers = (Dictionary <int, PeerData>) new BinaryFormatter().Deserialize(stream);
foreach (KeyValuePair <int, PeerData> peer in remotepeers)
{
Debug.LogError("Connect to peer: " + peer.Value.address + ":" + peer.Value.port);
NetworkTransport.Connect(hostId, peer.Value.address, peer.Value.port, 0, out error);
}
break;
}
break;
case NetworkEventType.DisconnectEvent:
Debug.Log("Disconnected");
DestroyProcessManager(recConnectionId);
break;
}
if (Input.GetKeyDown(KeyCode.C))
{
StartClient();
}
}
private void SocketOnMessage(object msg)
{
Messenger.Broadcast(SympleLog.LogTrace, "SocketOnMessage: " + msg);
JObject m = (JObject)msg;
string mType = (string)m["type"];
switch (mType)
{
case "message":
break;
case "command":
break;
case "event":
break;
case "presence":
JObject remotePeerData = (JObject)m["data"]; // data about another peer that has been updated or removed
bool remotePeerOnline = (bool)remotePeerData["online"];
if (remotePeerOnline)
{
addOrUpdatePeerToRoster(remotePeerData);
}
else
{
string remotePeerServerId = (string)remotePeerData["id"];
removePeerFromRoster(remotePeerServerId);
}
if (m["probe"] != null && (bool)m["probe"] == true)
{
JObject presenceTo = new JObject();
presenceTo["to"] = Symple.parseAddress(m["from"].ToString())["id"];
this.sendPresence(presenceTo);
}
break;
default:
m["type"] = m["type"] ?? "message";
break;
}
if (m["from"].Type != JTokenType.String)
{
Messenger.Broadcast(SympleLog.LogError, "symple:client: invalid sender address: " + m);
return;
}
// replace the from attribute with the full peer object.
// this will only work for peer messages, not server messages.
string mFrom = (string)m["from"];
Messenger.Broadcast(SympleLog.LogTrace, "looking up rpeer in roster, mFrom = " + mFrom + "...");
var addr = Symple.parseAddress(mFrom);
Debug.WriteLine("addr " + addr);
mFrom = (string)addr["id"] ?? mFrom;
if (_roster.ContainsKey(mFrom))
{
PeerData rpeerData = _roster[mFrom];
Messenger.Broadcast(SympleLog.LogTrace, "found rpeerData: " + rpeerData);
m["from"] = peerDataToJObject(rpeerData);
}
else
{
Messenger.Broadcast(SympleLog.LogDebug, "symple:client: got message from unknown peer: " + m);
}
// Dispatch to the application
SignallerOnMessage(mType, m);
}
private Dictionary <int, string> _localIntIdsToServerIds; // maps local int ids to server ids
private void SignallerOnMessage(string mType, JObject m)
{
Debug.WriteLine("SignallerOnMessage " + mType + " " + m);
// here we process what the webrtccontext would normally do when a new message comes in.
// so we adjust the message and pass it on to the Conductor.
string fromServerId;
var mFromObj = m["from"] as JObject;
if (mFromObj != null)
{
fromServerId = (string)mFromObj["id"];
}
else
{
fromServerId = (string)m["from"]; // string instead of json object
}
JObject parsedAddress = Symple.parseAddress(fromServerId); // handle case where "from" is name|id
fromServerId = (string)parsedAddress["id"] ?? fromServerId;
if (_roster.ContainsKey(fromServerId))
{
PeerData fromPd = _roster[fromServerId];
int fromLocalIntId = fromPd.localIntId;
if (m["offer"] != null)
{
Debug.WriteLine("incoming offer message");
JObject messageForConductor = (JObject)m["offer"];
RaiseOnMessageFromPeer(fromLocalIntId, messageForConductor.ToString(Formatting.None));
}
else if (m["answer"] != null)
{
Debug.WriteLine("incoming answer message");
JObject messageForConductor = (JObject)m["answer"];
RaiseOnMessageFromPeer(fromLocalIntId, messageForConductor.ToString(Formatting.None));
}
else if (m["candidate"] != null)
{
Debug.WriteLine("incoming candidate message");
JObject messageForConductor = (JObject)m["candidate"];
RaiseOnMessageFromPeer(fromLocalIntId, messageForConductor.ToString(Formatting.None));
}
else if (mType == "presence")
{
// the presence messages are handled earlier in the signalling code, so at this point, do nothing with them.
}
else if (m["message"] != null)
{
JObject messageForConductor = m; // send the entire raw message! the "message" format will route it correctly
RaiseOnMessageFromPeer(fromLocalIntId, messageForConductor.ToString(Formatting.None));
}
else
{
// the content of the message is unrecognized by the signaller
Debug.WriteLine("TODO: incoming misc message of type " + m["type"]);
}
}
else
{
Debug.WriteLine("received message from unknown sender " + fromServerId);
}
}
private string buildAddress(PeerData pd)
{
return(Symple.buildAddress(peerDataToJObject(pd)));
}
public override async Task <bool> SendToPeer(int peerId, IJsonValue json)
{
Debug.WriteLine("SympleSignaller:SendToPeer json: " + peerId + " " + json);
Debug.Assert(IsConnected());
if (!IsConnected())
{
return(false);
}
if (_localIntIdsToServerIds.ContainsKey(peerId))
{
string peerServerId = _localIntIdsToServerIds[peerId];
PeerData recipientPeerData = _roster[peerServerId];
Debug.WriteLine("original IJsonValue: " + json);
JObject jsonMessage = JObject.Parse(json.Stringify());
Debug.WriteLine("after conversion to JObject: " + jsonMessage);
if (jsonMessage["sdp"] != null)
{
JObject sessionDesc = jsonMessage;
JObject parameters = new JObject();
parameters["to"] = peerDataToJObject(recipientPeerData);
parameters["type"] = "message";
string jsonMessageType = (string)jsonMessage["type"];
if (jsonMessageType == "offer")
{
parameters["offer"] = sessionDesc;
}
else if (jsonMessageType == "answer")
{
parameters["answer"] = sessionDesc;
}
else
{
Debug.WriteLine("unknown jsonMessageType for sdp: " + jsonMessageType);
throw new NotImplementedException();
}
send(parameters);
return(true);
}
if (jsonMessage["candidate"] != null)
{
JObject candidateObj = jsonMessage;
JObject parameters = new JObject();
parameters["to"] = peerDataToJObject(recipientPeerData);
parameters["type"] = "message";
parameters["candidate"] = candidateObj;
send(parameters);
return(true);
}
if (jsonMessage["message"] != null)
{
// sending a misc. message to the peer.
var msgObj = jsonMessage["message"]; // note that we go down one level here
JObject parameters = new JObject();
parameters["to"] = peerDataToJObject(recipientPeerData);
parameters["type"] = "message";
parameters["message"] = msgObj;
send(parameters);
return(true);
}
Debug.WriteLine("unknown message of type " + jsonMessage);
throw new NotImplementedException();
}
else
{
Debug.WriteLine("attempted SendToPeer on unknown peer id " + peerId);
throw new NotImplementedException();
}
}
public bool Connect(PeerData peer)
{
return(peerManager.Connect(peer));
}
void OnPubNubMessage(string message)
{
string[] splitMessage = message.Trim().Substring(1, message.Length - 2).Split(new char[] { ',' });
string peerDataMessage = splitMessage[0].Trim().Substring(1, splitMessage[0].Trim().Length - 2);
//string peerMessageId = splitMessage[1].Trim().Substring(1, splitMessage[1].Trim().Length - 2);
//string room = splitMessage[2].Trim().Substring(1, splitMessage[2].Trim().Length - 2);
PeerData peerData = new PeerData(peerDataMessage);
// If you are on the same device then you have to do this for it to work
if (peerData.localIp == localIp && peerData.externalIp == externalIp)
{
peerData.localIp = "127.0.0.1";
}
// From me, ignore
if (peerData.pubNubUniqueId == pubnub.SessionUUID)
{
return;
}
if (udpClient == null)
{
return;
}
// From someone else
// First time we have heard from them
if (!uniqueIdsPubNubSeen.Contains(peerData.pubNubUniqueId))
{
uniqueIdsPubNubSeen.Add(peerData.pubNubUniqueId);
udpClient.Send(new byte[10], 10, new IPEndPoint(IPAddress.Parse(peerData.externalIp), peerData.externalPort));
udpClient.Send(new byte[10], 10, new IPEndPoint(IPAddress.Parse(peerData.localIp), peerData.localPort)); // This is if they are on a LAN, we will try both because why not
pubnub.Publish <string>(channelName, (new PeerData(localPort, externalPort, localIp, externalIp, pubnub.SessionUUID)).ToString(), OnPubNubTheyGotMessage, OnPubNubMessageFailed);
}
// Second time we have heard from them, after then we don't care because we are connected
else if (!connectedPeers.ContainsKey(peerData.pubNubUniqueId))
{
IPEndPoint endPoint = new IPEndPoint(IPAddress.Parse(peerData.externalIp), peerData.externalPort);
IPEndPoint endPointLocal = new IPEndPoint(IPAddress.Parse(peerData.localIp), peerData.localPort);
//bool isOnLan = IsLanIP(IPAddress.Parse(peerData.externalIp)); TODO, this would be nice to test for
bool isOnLan = true;
P2PPeer peer = new P2PPeer(peerData.localIp, peerData.externalIp, peerData.localPort, peerData.externalPort, this, isOnLan);
lock (peerLock)
{
connectedPeers.Add(peerData.pubNubUniqueId, peer);
}
udpClient.Send(new byte[10], 10, endPoint);
udpClient.Send(new byte[10], 10, endPointLocal); // This is if they are on a LAN
pubnub.Publish <string>(channelName, (new PeerData(localPort, externalPort, localIp, externalIp, pubnub.SessionUUID)).ToString(), OnPubNubTheyGotMessage, OnPubNubMessageFailed);
if (OnNewPeerConnection != null)
{
OnNewPeerConnection(peer);
}
}
}
private void ProcessUdpPacket(CommPacket packet, IPEndPoint ep)
{
PeerData peer = null;
if (packet is UdpConnectingConfirmation)
{
AddPeerToDictionaries(NewPeer);
if (ReceivedConfirmation != null)
{
ReceivedConfirmation.Set();
}
}
else if (packet is UdpNewPeerPacket)
{
UdpNewPeerPacket newPeerPacket = packet as UdpNewPeerPacket;
if (newPeerPacket.RecipientIsNew && AwaitingExternalConnection)
{
AwaitingExternalConnection = false;
AddPeersToDictionaries(newPeerPacket.Peers);
StartDriver(newPeerPacket.SubnetworkData, newPeerPacket.SubnetworkIP, newPeerPacket.Name);
OnConnected(this, null);
UdpConnectingConfirmation confirmPacket = new UdpConnectingConfirmation();
SendPacket <UdpConnectingConfirmation>(confirmPacket, ep);
Thread.Sleep(100);
NegotiateKey(PeersRxSupport[ep], null);
}
else
{
if (newPeerPacket.Peers != null && !newPeerPacket.RecipientIsNew)
{
if (newPeerPacket.Peers.Length != 0)
{
AddPeerToDictionaries(newPeerPacket.Peers[0]);
NegotiateKey(peer, null);
}
}
}
}
else if (packet is UdpKeyNegotiationPacket)
{
if (!PeersRxSupport.TryGetValue(ep, out peer))
{
peer = NewPeer;
}
NegotiateKey(peer, packet as UdpKeyNegotiationPacket);
}
else if (packet is UdpGoodbye)
{
RemovePeerFromDictionaries(PeersRxSupport[ep], "goodbye");
}
else if (packet is UdpHeartbeat)
{
if (PeersRxSupport.TryGetValue(ep, out peer))
{
peer.Heartbeat();
}
}
}
private void NetworkTransmissionDataCallout(IAsyncResult result)
{
IPEndPoint ep = new IPEndPoint(IPAddress.Any, 0);
try
{
byte[] data = null;
data = UdpTransmission.EndReceive(result, ref ep);
if (data == null || data.Length == 0)
{
return;
}
PeerData peer = null;
if (PeersRxTransmission.TryGetValue(ep, out peer))
{
byte[] decryptedData = Encryption.Decrypt(data, peer.KeyIndex);
if (decryptedData == null)
{
Logger.Instance.LogError("Odrzucono niepoprawny pakiet (niezgodność skrótów). Użytkownik: " + peer.Name);
}
else
{
Driver.WriteData(decryptedData);
Stats.DLBytes += (ulong)decryptedData.Length;
Stats.DLPackets++;
peer.Stats.DLBytes += (ulong)decryptedData.Length;
peer.Stats.DLPackets++;
}
}
if (_Connected)
{
UdpTransmission.BeginReceive(NetworkTransmissionDataCallout, null);
}
else
{
UdpTransmission.Close();
}
}
catch (Exception ex)
{
if (ex is SocketException)
{
int code = ((SocketException)ex).ErrorCode;
if (code != 10060 && code != 10004)
{
MessageBox.Show(
"Błąd połączenia: " + ex.Message,
"Błąd",
MessageBoxButton.OK,
MessageBoxImage.Error
);
Logger.Instance.LogException(ex);
Disconnect();
}
}
if (!(ex is ObjectDisposedException))
{
Logger.Instance.LogException(ex);
}
if (_Connected)
{
UdpTransmission.BeginReceive(NetworkTransmissionDataCallout, null);
}
else
{
UdpTransmission.Close();
}
}
}