public TcpClientChannel TryConnect(NetworkPath netPath, int timeoutInMsec, out NetworkTransportException failureEx)
{
TcpClientChannel result = null;
TcpClientChannel.TryOpenChannel(netPath, timeoutInMsec, out result, out failureEx);
return(result);
}
internal static TcpClientChannel OpenConnection(ref NetworkPath actualPath, int timeoutInMsec, bool ignoreNodeDown)
{
NetworkPath networkPath = actualPath;
NetworkTransportException ex = null;
ITcpConnector tcpConnector = Dependencies.TcpConnector;
TcpClientChannel tcpClientChannel = tcpConnector.TryConnect(networkPath, timeoutInMsec, out ex);
if (tcpClientChannel != null)
{
return tcpClientChannel;
}
if (!networkPath.NetworkChoiceIsMandatory)
{
NetworkManager.TraceError("Attempting alternate routes", new object[0]);
List<NetworkPath> list = null;
ExchangeNetworkMap map = NetworkManager.GetMap();
if (map != null)
{
list = map.EnumeratePaths(networkPath.TargetNodeName, ignoreNodeDown);
if (list != null)
{
NetworkPath networkPath2 = null;
foreach (NetworkPath networkPath3 in list)
{
if (string.Equals(networkPath3.NetworkName, networkPath.NetworkName, DatabaseAvailabilityGroupNetwork.NameComparison))
{
networkPath2 = networkPath3;
break;
}
}
if (networkPath2 != null)
{
list.Remove(networkPath2);
}
DagNetConfig dagConfig = DagNetEnvironment.FetchNetConfig();
foreach (NetworkPath networkPath4 in list)
{
networkPath4.Purpose = networkPath.Purpose;
networkPath4.ApplyNetworkPolicy(dagConfig);
tcpClientChannel = tcpConnector.TryConnect(networkPath, timeoutInMsec, out ex);
if (tcpClientChannel != null)
{
actualPath = networkPath4;
return tcpClientChannel;
}
}
}
}
}
throw ex;
}
public TcpClientChannel OpenChannel(string targetServerName, ISimpleBufferPool socketStreamBufferPool, IPool <SocketStreamAsyncArgs> socketStreamAsyncArgPool, SocketStream.ISocketStreamPerfCounters perfCtrs, out NetworkPath netPath)
{
DagNetConfig dagConfig;
DagNetRoute[] array = DagNetChooser.ProposeRoutes(targetServerName, out dagConfig);
TcpClientChannel tcpClientChannel = null;
netPath = null;
NetworkTransportException ex = null;
if (array != null)
{
foreach (DagNetRoute dagNetRoute in array)
{
netPath = new NetworkPath(targetServerName, dagNetRoute.TargetIPAddr, dagNetRoute.TargetPort, dagNetRoute.SourceIPAddr);
netPath.CrossSubnet = dagNetRoute.IsCrossSubnet;
this.ApplySocketStreamArgs(netPath, socketStreamBufferPool, socketStreamAsyncArgPool, perfCtrs);
netPath.ApplyNetworkPolicy(dagConfig);
tcpClientChannel = this.TryConnect(netPath, out ex);
if (tcpClientChannel != null)
{
break;
}
}
}
if (tcpClientChannel == null)
{
netPath = this.BuildDnsNetworkPath(targetServerName, (int)NetworkManager.GetReplicationPort());
this.ApplySocketStreamArgs(netPath, socketStreamBufferPool, socketStreamAsyncArgPool, perfCtrs);
netPath.ApplyNetworkPolicy(dagConfig);
tcpClientChannel = this.TryConnect(netPath, out ex);
if (tcpClientChannel == null)
{
throw ex;
}
}
return(tcpClientChannel);
}