/// <summary>
/// Gets the name of the network peer by.
/// </summary>
/// <param name="name">The name.</param>
/// <returns>Network Peer implementation or null</returns>
public INetworkPeerRemote GetNetworkPeerByName(string name)
{
if (string.IsNullOrEmpty(name))
{
ThrowHelper.ThrowArgumentNullException("name");
}
name = name.ToLower().Trim();
INetworkPeerRemote result = null;
lock (mNetworkPeers)
{
foreach (INetworkPeerRemote peer in mNetworkPeers)
{
if (peer.HostName.ToLower().Equals(name))
{
result = peer;
break;
}
}
}
return(result);
}
/// <summary>
/// Gets the network peer by id.
/// </summary>
/// <param name="id">The id.</param>
/// <returns>The value or null</returns>
public INetworkPeerRemote GetNetworkPeerById(string id)
{
if (string.IsNullOrEmpty(id))
{
ThrowHelper.ThrowArgumentNullException("id");
}
id = id.ToLower().Trim();
INetworkPeerRemote result = null;
lock (mNetworkPeers)
{
foreach (INetworkPeerRemote peer in mNetworkPeers)
{
if (peer.Id.ToLower().Equals(id))
{
result = peer;
break;
}
}
}
return(result);
}
/// <summary>
/// Gets the name of the network peer by. Search in global list.
/// </summary>
/// <param name="name">The name.</param>
/// <returns>The Network Peer Remote</returns>
public static INetworkPeerRemote GetNetworkPeerByName(string name)
{
NetworkManager.Instance.DoInitializationCheck();
if (string.IsNullOrEmpty(name))
{
ThrowHelper.ThrowArgumentNullException("name");
}
INetworkPeerRemote result = null;
foreach (INetworkPeerRemote peer in KnownNetworkPeers)
{
if (peer.HostName.Equals(name))
{
if (result == null)
{
result = peer;
if (peer.NetworkContext.Name.Equals(NetworkManager.Instance.InternalCurrentNetworkContext.Name))
{
break;
}
}
else if (peer.NetworkContext.Name.Equals(NetworkManager.Instance.InternalCurrentNetworkContext.Name))
{
result = peer;
break;
}
}
}
return(result);
}
/// <summary>
/// Initializes a new instance of the <see cref="NetworkPeerContextEventArgs"/> class.
/// </summary>
/// <param name="networkPeer">The network peer.</param>
public NetworkPeerContextEventArgs(INetworkPeerRemote networkPeer)
{
if (networkPeer == null)
{
ThrowHelper.ThrowArgumentNullException("networkPeer");
}
this.mNetworkPeer = networkPeer;
}
private void SetNodeFont(TreeNode node, INetworkPeerRemote peer)
{
if (peer.Distance == 0)
{
node.ForeColor = Color.Red;
}
else if (peer.Distance == 1)
{
node.ForeColor = Color.Green;
}
else
{
node.ForeColor = Color.Blue;
}
}
private void btDisconnectActive_Click(object sender, EventArgs e)
{
string id = tcDomains.SelectedTab.Text;
Wrapper wrapper = mWrapper[id];
TreeView tv = mTreeViewsById[id];
if (tv.SelectedNode != null && tv.SelectedNode.Parent != null)
{
INetworkPeerRemote peer = (INetworkPeerRemote)tv.SelectedNode.Tag;
INetworkConnection c = peer.ActiveNetworkConnection;
if (c != null)
{
c.Close();
}
}
}
private void TreeView_AfterSelect(object sender, TreeViewEventArgs e)
{
if (e.Node.Parent != null)
{
string id = tcDomains.SelectedTab.Text;
Wrapper wrapper = mWrapper[id];
INetworkPeerRemote peer = (INetworkPeerRemote)e.Node.Tag;
ListView lv = mListViewNetworkConnections[id];
lv.Items.Clear();
foreach (INetworkConnection c in peer.NetworkConnections)
{
lv.Items.Add(new ListViewItem(c.Id.ToString())
{
Tag = c
});
}
}
}
private void Callback(IAsyncResult result)
{
try
{
UdpBroadcastMessage message = null;
IPEndPoint ep = mBroadcastEp;
using (MemoryStream ms = new MemoryStream(mUdpClient.EndReceive(result, ref ep)))
{
ms.Position = 0;
message = mMessageFormatter.Read(ms);
ms.SetLength(0);
}
if (LOGGER.IsInfoEnabled)
{
LOGGER.Info(string.Format("BROADCAST_SERVER, a broadcast message arrived from '{0}'.", message.SenderId));
}
if (NetworkManager.Instance.InternalLocalhost.Id.Equals(message.SenderId))
{
if (LOGGER.IsInfoEnabled)
{
LOGGER.Info("BROADCAST_SERVER, this broadcast message arrived from me.");
}
}
else
{
if (NetworkManager.Instance.NetworkContextRuleManager.CheckSeparation(NetworkManager.Instance.InternalLocalhost.NetworkContext.Name,
message.NetworkContextName))
{
// láthatom ezt a context-et, megpróbálok rácsatlakozni
INetworkPeerRemote peer = NetworkPeerContext.GetNetworkPeerById(message.SenderId);
if (peer == null || (peer != null && peer.Distance != 1))
{
// nincs közvetlen kapcsolatom ilyen peer-el
mThreadPool.QueueUserWorkItem(new System.Threading.WaitCallback(ConnectionTask), message);
}
else
{
if (LOGGER.IsInfoEnabled)
{
LOGGER.Info(string.Format("BROADCAST_SERVER, this is a known peer with direct network connection. No need to establish a new. PeerId: '{0}'.", peer.Id));
}
}
}
else
{
if (LOGGER.IsInfoEnabled)
{
LOGGER.Info(string.Format("BROADCAST_SERVER, network context separation is active between '{0}' and '{1}'.", NetworkManager.Instance.InternalLocalhost.NetworkContext.Name, message.NetworkContextName));
}
}
}
}
catch (Exception ex)
{
if (LOGGER.IsErrorEnabled)
{
LOGGER.Error(string.Format("BROADCAST_SERVER, failed to receive a broadcast message. Reason: {0}", ex.Message));
}
}
finally
{
BeginReceive();
}
}
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));
}
}
}
}
}
}
