/// <summary>
/// Creates the network peer.
/// </summary>
/// <param name="peer">The peer.</param>
/// <returns></returns>
internal static NetworkPeerRemote CreateNetworkPeer(NetworkPeer peer)
{
if (peer == null)
{
ThrowHelper.ThrowArgumentNullException("peer");
}
NetworkContext networkContext = NetworkContext.GetNetworkContextByName(peer.NetworkContext);
if (networkContext == null)
{
networkContext = NetworkContext.CreateNetworkContext(peer.NetworkContext);
}
NetworkPeerRemote remotePeer = new NetworkPeerRemote();
remotePeer.HostName = peer.HostName;
remotePeer.Id = peer.Id;
remotePeer.NetworkContext = networkContext;
remotePeer.PeerType = PeerTypeEnum.Remote;
RefreshNetworkPeerWithoutRelations(peer, remotePeer);
List <INetworkPeerRemote> list = networkContext.InternalNetworkPeers;
lock (list)
{
list.Add(remotePeer);
list.Sort();
}
return(remotePeer);
}
/// <summary>
/// Refreshes the network peer without relations.
/// </summary>
/// <param name="sourcePeer">The source peer.</param>
/// <param name="targetPeer">The target peer.</param>
internal static void RefreshNetworkPeerOnlyRelations(NetworkPeer sourcePeer, NetworkPeerRemote targetPeer)
{
if (sourcePeer == null)
{
ThrowHelper.ThrowArgumentNullException("sourcePeer");
}
if (targetPeer == null)
{
ThrowHelper.ThrowArgumentNullException("targetPeer");
}
//if (sourcePeer.PeerRelations.StateId > targetPeer.PeerRelationPairs.StateId)
{
//targetPeer.PeerRelationPairs.StateId = sourcePeer.PeerRelations.StateId;
//targetPeer.PeerRelationPairs.PeerRelationPairs.Clear();
if (sourcePeer.PeerRelations.PeerRelations != null)
{
foreach (PeerRelation r in sourcePeer.PeerRelations.PeerRelations)
{
targetPeer.PeerRelationPairs.AddOrUpdatePeerRelationForce(
targetPeer,
NetworkManager.Instance.InternalLocalhost.Id.Equals(r.PeerB) ? NetworkManager.Instance.InternalLocalhost : (NetworkPeerRemote)NetworkPeerContext.GetNetworkPeerById(r.PeerB), r.Connected, r.StateId);
}
}
}
}
/// <summary>
/// Waits for sent event, if the message is TCP and sent by me.
/// </summary>
/// <param name="timeout">The timeout.</param>
internal void WaitForSentEvent(int timeout)
{
if (mMessage.MessageType == MessageTypeEnum.Tcp && NetworkManager.Instance.InternalLocalhost.Id.Equals(mMessage.SenderId))
{
// csak a saját TCP üzeneteimre lehet várakozni
lock (mLockObject)
{
if (mWatch == null)
{
mWatch = Stopwatch.StartNew();
}
if (mSentEvent == null)
{
mSentEvent = new ManualResetEvent(false);
}
}
if (mSentEvent.WaitOne(timeout) && IsSuccess)
{
// replytime feljegyzése
NetworkPeerRemote networkPeer = (NetworkPeerRemote)NetworkPeerContext.GetNetworkPeerById(mMessage.TargetId);
networkPeer.Session.ReplyTime = ReplyTime;
}
}
else
{
IsSuccess = true;
}
}
/// <summary>
/// Initializes a new instance of the <see cref="NetworkPeerSession"/> class.
/// </summary>
/// <param name="remotePeer">The remote peer.</param>
internal NetworkPeerSession(NetworkPeerRemote remotePeer)
{
if (remotePeer == null)
{
ThrowHelper.ThrowArgumentNullException("remotePeer");
}
this.mRemotePeer = remotePeer;
}
private void ProcessConnection(object state)
{
if (!NetworkManager.Instance.IsShutdown)
{
ConnectionTask task = (ConnectionTask)state;
try
{
task.NetworkStream = null;
Synapse.NetworkStream stream = NetworkManager.Instance.InternalNetworkManager.Connect(task.EndPoint); // dobhat hibát
stream.SendBufferSize = NetworkManager.Instance.InternalConfiguration.Settings.DefaultLowLevelSocketSendBufferSize;
stream.ReceiveBufferSize = NetworkManager.Instance.InternalConfiguration.Settings.DefaultLowLevelSocketReceiveBufferSize;
stream.NoDelay = NetworkManager.Instance.InternalConfiguration.Settings.DefaultLowLevelNoDelay;
task.NetworkStream = stream;
NetworkPeerRemote result = NetworkManager.Instance.ProcessConnection(stream, task.ConnectionTimeout, true, !NetworkManager.Instance.InternalConfiguration.Settings.EnableMultipleConnectionWithNetworkPeers);
if (result == null)
{
if (task.ReconnectOnFailure)
{
// újra időzítés
QueueToReconnect(task);
}
else
{
lock (mConnectionTasks)
{
mConnectionTasks.Remove(task);
}
}
}
}
catch (Exception ex)
{
// failed to resolve host
if (LOGGER.IsErrorEnabled)
{
LOGGER.Error(string.Format("CONNECTION_MANAGER, failed to establish connection to a remote host. Reason: {0}", ex.Message));
}
if (task.ReconnectOnFailure)
{
// újra időzítés
QueueToReconnect(task);
}
else
{
lock (mConnectionTasks)
{
mConnectionTasks.Remove(task);
}
}
}
}
}
/// <summary>
/// Refreshes the network peer.
/// </summary>
/// <param name="sourcePeer">The source peer.</param>
/// <param name="targetPeer">The target peer.</param>
internal static void RefreshNetworkPeerWithoutRelations(NetworkPeer sourcePeer, NetworkPeerRemote targetPeer)
{
if (sourcePeer == null)
{
ThrowHelper.ThrowArgumentNullException("sourcePeer");
}
if (targetPeer == null)
{
ThrowHelper.ThrowArgumentNullException("targetPeer");
}
if (sourcePeer.BlackHoleContainer.StateId > targetPeer.BlackHoleContainer.StateId)
{
targetPeer.BlackHoleContainer.StateId = targetPeer.BlackHoleContainer.StateId;
targetPeer.BlackHoleContainer.IsBlackHole = targetPeer.BlackHoleContainer.IsBlackHole;
}
if (sourcePeer.NATGateways.StateId > targetPeer.NATGatewayCollection.StateId)
{
targetPeer.NATGatewayCollection.StateId = sourcePeer.NATGateways.StateId;
targetPeer.NATGatewayCollection.NATGateways.Clear();
if (sourcePeer.NATGateways.Gateways != null)
{
List <NATGateway> backup = new List <NATGateway>(targetPeer.NATGatewayCollection.NATGateways);
targetPeer.NATGatewayCollection.NATGateways.Clear();
foreach (AddressEndPoint ep in sourcePeer.NATGateways.Gateways)
{
NATGateway gw = new NATGateway(ep);
bool found = false;
foreach (NATGateway g in backup)
{
if (g.Equals(gw))
{
targetPeer.NATGatewayCollection.NATGateways.Add(g);
found = true;
break;
}
}
if (!found)
{
targetPeer.NATGatewayCollection.NATGateways.Add(gw);
}
}
}
else
{
targetPeer.NATGatewayCollection.NATGateways.Clear();
}
}
if (sourcePeer.PeerContext.StateId > targetPeer.InternalPeerContext.StateId)
{
targetPeer.InternalPeerContext.StateId = sourcePeer.PeerContext.StateId;
targetPeer.InternalPeerContext.PeerContext = sourcePeer.PeerContext.PeerContext;
}
if (sourcePeer.TCPServers.StateId > targetPeer.TCPServerCollection.StateId)
{
targetPeer.TCPServerCollection.StateId = sourcePeer.TCPServers.StateId;
if (sourcePeer.TCPServers.Servers != null)
{
List <TCPServer> backup = new List <TCPServer>(targetPeer.TCPServerCollection.TCPServers);
targetPeer.TCPServerCollection.TCPServers.Clear();
foreach (AddressEndPoint ep in sourcePeer.TCPServers.Servers)
{
TCPServer sw = new TCPServer(ep);
bool found = false;
foreach (TCPServer s in backup)
{
if (s.Equals(sw))
{
targetPeer.TCPServerCollection.TCPServers.Add(s);
found = true;
break;
}
}
if (!found)
{
targetPeer.TCPServerCollection.TCPServers.Add(sw);
}
}
}
else
{
targetPeer.TCPServerCollection.TCPServers.Clear();
}
}
targetPeer.Version = sourcePeer.Version;
}
private static void ConnectionTask(object state)
{
UdpBroadcastMessage message = (UdpBroadcastMessage)state;
if (LOGGER.IsDebugEnabled)
{
LOGGER.Debug(string.Format("BROADCAST_SERVER, processing message of sender, id: {0}", message.SenderId));
}
if (message.TCPServers != null && message.TCPServers.Length > 0)
{
foreach (AddressEndPoint ep in message.TCPServers)
{
if (ep.AddressFamily == AddressFamily.InterNetwork || (ep.AddressFamily == AddressFamily.InterNetworkV6 && NetworkManager.Instance.InternalConfiguration.Settings.EnableIPV6))
{
try
{
if (LOGGER.IsInfoEnabled)
{
LOGGER.Info(string.Format("BROADCAST_SERVER, connecting to [{0}] with address [{1}] and port {2}.", message.SenderId, ep.Host, ep.Port));
}
Synapse.NetworkStream stream = NetworkManager.Instance.InternalNetworkManager.Connect(ep);
stream.SendBufferSize = NetworkManager.Instance.InternalConfiguration.Settings.DefaultLowLevelSocketSendBufferSize;
stream.ReceiveBufferSize = NetworkManager.Instance.InternalConfiguration.Settings.DefaultLowLevelSocketReceiveBufferSize;
stream.NoDelay = NetworkManager.Instance.InternalConfiguration.Settings.DefaultLowLevelNoDelay;
NetworkPeerRemote remotePeer = NetworkManager.Instance.ProcessConnection(stream, NetworkManager.Instance.InternalConfiguration.Settings.DefaultConnectionTimeoutInMS, true, !NetworkManager.Instance.InternalConfiguration.Settings.EnableMultipleConnectionWithNetworkPeers);
if (NetworkManager.Instance.IsShutdown)
{
stream.Close();
break;
}
if (remotePeer != null && remotePeer.Id.Equals(message.SenderId))
{
// létrejött a kapcsolat, tovább nem próbálkozunk
if (LOGGER.IsInfoEnabled)
{
LOGGER.Info(string.Format("BROADCAST_SERVER, successfully connected to '{0}' on TCP server.", message.SenderId));
}
break;
}
}
catch (Exception ex)
{
if (LOGGER.IsErrorEnabled)
{
LOGGER.Error(string.Format("BROADCAST_SERVER, failed to connect to [{0}] with address [{1}] and port {2}. Reason: {3}", message.SenderId, ep.Host, ep.Port, ex.Message));
}
}
}
else
{
if (LOGGER.IsInfoEnabled)
{
LOGGER.Info(string.Format("BROADCAST_SERVER, connecting to [{0}] with address [{1}] not allowed. IPV6 protocol disabled.", message.SenderId, ep.Host));
}
}
}
}
INetworkPeerRemote peer = NetworkPeerContext.GetNetworkPeerById(message.SenderId);
if (peer == null || (peer != null && peer.Distance != 1))
{
if (message.NATGateways != null && message.NATGateways.Length > 0)
{
foreach (AddressEndPoint ep in message.NATGateways)
{
if (ep.AddressFamily == AddressFamily.InterNetwork || (ep.AddressFamily == AddressFamily.InterNetworkV6 && NetworkManager.Instance.InternalConfiguration.Settings.EnableIPV6))
{
try
{
if (LOGGER.IsInfoEnabled)
{
LOGGER.Info(string.Format("BROADCAST_SERVER, connecting to [{0}] with NAT address [{1}] and port {2}.", message.SenderId, ep.Host, ep.Port));
}
Synapse.NetworkStream stream = NetworkManager.Instance.InternalNetworkManager.Connect(ep);
stream.SendBufferSize = NetworkManager.Instance.InternalConfiguration.Settings.DefaultLowLevelSocketSendBufferSize;
stream.ReceiveBufferSize = NetworkManager.Instance.InternalConfiguration.Settings.DefaultLowLevelSocketReceiveBufferSize;
stream.NoDelay = NetworkManager.Instance.InternalConfiguration.Settings.DefaultLowLevelNoDelay;
NetworkPeerRemote remotePeer = NetworkManager.Instance.ProcessConnection(stream, NetworkManager.Instance.InternalConfiguration.Settings.DefaultConnectionTimeoutInMS, true, !NetworkManager.Instance.InternalConfiguration.Settings.EnableMultipleConnectionWithNetworkPeers);
if (NetworkManager.Instance.IsShutdown)
{
stream.Close();
break;
}
if (remotePeer != null && remotePeer.Id.Equals(message.SenderId))
{
// létrejött a kapcsolat, tovább nem próbálkozunk
if (LOGGER.IsInfoEnabled)
{
LOGGER.Info(string.Format("BROADCAST_SERVER, successfully connected to '{0}' on NAT address.", message.SenderId));
}
break;
}
}
catch (Exception ex)
{
if (LOGGER.IsErrorEnabled)
{
LOGGER.Error(string.Format("BROADCAST_SERVER, failed to connect to [{0}] with address [{1}] and port {2}. Reason: {3}", message.SenderId, ep.Host, ep.Port, ex.Message));
}
}
}
else
{
if (LOGGER.IsInfoEnabled)
{
LOGGER.Info(string.Format("BROADCAST_SERVER, connecting to [{0}] with address [{1}] not allowed. IPV6 protocol disabled.", message.SenderId, ep.Host));
}
}
}
}
}
}
