public static NetworkChannel OpenChannel(string targetServerName, ISimpleBufferPool socketStreamBufferPool, IPool <SocketStreamAsyncArgs> socketStreamAsyncArgPool, SocketStream.ISocketStreamPerfCounters perfCtrs, bool suppressTransparentCompression)
{
if (socketStreamAsyncArgPool != null ^ socketStreamBufferPool != null)
{
string message = "SocketStream use requires both pools or neither";
throw new ArgumentException(message);
}
ITcpConnector tcpConnector = Dependencies.TcpConnector;
NetworkPath netPath = null;
TcpClientChannel tcpChannel = tcpConnector.OpenChannel(targetServerName, socketStreamBufferPool, socketStreamAsyncArgPool, perfCtrs, out netPath);
return(NetworkChannel.FinishConnect(tcpChannel, netPath, suppressTransparentCompression));
}
public DefaultProxyFactory(
IDatagramInterceptor datagramInterceptor,
ITcpConnector tcpConnector,
IUdpClientFactory udpClientFactory,
ILoggerFactory loggerFactory)
{
this._datagramInterceptor = datagramInterceptor
?? throw new ArgumentNullException(nameof(datagramInterceptor));
this._tcpConnector = tcpConnector ?? throw new ArgumentNullException(nameof(tcpConnector));
this._udpClientFactory = udpClientFactory ?? throw new ArgumentNullException(nameof(udpClientFactory));
this._loggerFactory = loggerFactory ?? throw new ArgumentNullException(nameof(loggerFactory));
this._timerFactory = ThreadingTimerFactory.Instance;
}
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 TcpConnectionManager(string connectionName,
Guid connectionId,
IPEndPoint remoteEndPoint,
ITcpConnector connector,
bool useSsl,
string sslTargetHost,
bool sslValidateServer,
IMessageFramer framer,
Action <TcpConnectionManager, byte[]> messageReceived,
Action <TcpConnectionManager> onConnectionEstablished,
Action <TcpConnectionManager, SocketError> onConnectionClosed)
{
Ensure.NotEmptyGuid(connectionId, "connectionId");
Ensure.NotNull(remoteEndPoint, "remoteEndPoint");
Ensure.NotNull(connector, "connector");
Ensure.NotNull(framer, nameof(framer));
if (useSsl)
{
Ensure.NotNull(sslTargetHost, "sslTargetHost");
}
ConnectionName = connectionName;
ConnectionId = connectionId;
_framer = framer;
_framer.RegisterMessageArrivedCallback(OnMessageArrived);
_messageReceived = messageReceived;
_connectionEstablished = onConnectionEstablished;
_connectionClosed = onConnectionClosed;
RemoteEndPoint = remoteEndPoint;
_tcpConnection = useSsl
? connector.ConnectSslTo(ConnectionId, remoteEndPoint, ConnectionTimeout, sslTargetHost, sslValidateServer, OnConnectionEstablished, OnConnectionFailed, true)
: connector.ConnectTo(ConnectionId, remoteEndPoint, ConnectionTimeout, OnConnectionEstablished, OnConnectionFailed, true);
_tcpConnection.ConnectionClosed += OnConnectionClosed;
if (_tcpConnection.IsClosed)
{
OnConnectionClosed(_tcpConnection, SocketError.Success);
return;
}
}
public TcpProxy(
ITcpStream clientStream,
EndPoint destinationEndPoint,
ITcpConnector tcpConnector,
ArrayPool <byte> bufferPool)
{
this._clientStream = clientStream ?? throw new ArgumentNullException(nameof(clientStream));
this._destinationEndPoint = destinationEndPoint
?? throw new ArgumentNullException(nameof(destinationEndPoint));
this._tcpConnector = tcpConnector ?? throw new ArgumentNullException(nameof(tcpConnector));
this._bufferPool = bufferPool ?? throw new ArgumentNullException(nameof(bufferPool));
if (!(destinationEndPoint is IPEndPoint) && !(destinationEndPoint is DnsEndPoint))
{
throw new ArgumentException(
"EndPoint must be either IPEndPoint or DnsEndPoint",
nameof(destinationEndPoint));
}
}
public ConverseFlatBuffersClient(ITcpConnector connector, IResponseParser responseParser) : base(connector)
{
m_responseParser = responseParser;
}
// TODO(HonzaS): This was not thread safe, but now we're allocating a lot - optimize later.
//private readonly MemoryStream m_sendingMemStream = new MemoryStream(InitialBufferSize); // Resizable memory stream.
//private readonly MemoryStream m_replyMemStream = new MemoryStream(InitialBufferSize); // Resizable memory stream.
public ConverseProtoBufClient(ITcpConnector connector) : base(connector)
{
}
public static NetworkPath ChooseNetworkPath(string targetName, string networkName, NetworkPath.ConnectionPurpose purpose)
{
ITcpConnector tcpConnector = Dependencies.TcpConnector;
return tcpConnector.ChooseDagNetworkPath(targetName, networkName, purpose);
}
internal static void OverrideTcpConnector(ITcpConnector conn)
{
Dependencies.tcpConnector = conn;
}
internal static bool TestHealth(string targetServer, int targetPort, int timeOutInMs, out string errMsg)
{
errMsg = null;
NetworkChannel networkChannel = null;
Exception ex = null;
ExTraceGlobals.TcpChannelTracer.TraceFunction <string>(0L, "TcpHealthCheck: testing {0}", targetServer);
try
{
ushort num = (ushort)targetPort;
if (num == 0)
{
num = 64327;
}
ITcpConnector tcpConnector = Dependencies.TcpConnector;
NetworkPath netPath = tcpConnector.BuildDnsNetworkPath(targetServer, (int)num);
networkChannel = NetworkChannel.Connect(netPath, TcpChannel.GetDefaultTimeoutInMs(), false);
TestHealthRequest testHealthRequest = new TestHealthRequest(networkChannel);
testHealthRequest.Send();
NetworkChannelMessage message = networkChannel.GetMessage();
if (!(message is TestHealthReply))
{
networkChannel.ThrowUnexpectedMessage(message);
}
ExTraceGlobals.TcpChannelTracer.TraceFunction <string>(0L, "TcpHealthCheck: {0} is healthy", targetServer);
return(true);
}
catch (NetworkRemoteException ex2)
{
ex = ex2.InnerException;
}
catch (NetworkTransportException ex3)
{
ex = ex3;
}
catch (Win32Exception ex4)
{
ex = ex4;
}
catch (COMException ex5)
{
ex = ex5;
}
catch (ClusCommonFailException ex6)
{
ex = ex6;
}
catch (ClusCommonTransientException ex7)
{
ex = ex7;
}
finally
{
if (networkChannel != null)
{
networkChannel.Close();
}
}
if (ex != null)
{
ExTraceGlobals.TcpChannelTracer.TraceError <Exception>(0L, "TcpHealthCheck: failed: {0}", ex);
errMsg = ex.Message;
}
return(false);
}
public ConverseClient(ITcpConnector connector)
{
m_connector = connector;
}