public TcpConnectionManager(string connectionName,
Guid connectionId,
ITcpDispatcher dispatcher,
IPublisher publisher,
string targetHost,
EndPoint remoteEndPoint,
TcpClientConnector connector,
bool useSsl,
Func <X509Certificate, X509Chain, SslPolicyErrors, ValueTuple <bool, string> > sslServerCertValidator,
Func <X509CertificateCollection> sslClientCertificatesSelector,
IPublisher networkSendQueue,
IAuthenticationProvider authProvider,
AuthorizationGateway authorization,
TimeSpan heartbeatInterval,
TimeSpan heartbeatTimeout,
Action <TcpConnectionManager> onConnectionEstablished,
Action <TcpConnectionManager, SocketError> onConnectionClosed)
{
Ensure.NotEmptyGuid(connectionId, "connectionId");
Ensure.NotNull(dispatcher, "dispatcher");
Ensure.NotNull(publisher, "publisher");
Ensure.NotNull(authProvider, "authProvider");
Ensure.NotNull(authorization, "authorization");
Ensure.NotNull(remoteEndPoint, "remoteEndPoint");
Ensure.NotNull(connector, "connector");
ConnectionId = connectionId;
ConnectionName = connectionName;
_tcpEnvelope = new SendOverTcpEnvelope(this, networkSendQueue);
_publisher = publisher;
_dispatcher = dispatcher;
_authProvider = authProvider;
_authorization = authorization;
_framer = new LengthPrefixMessageFramer();
_framer.RegisterMessageArrivedCallback(OnMessageArrived);
_weakThisEnvelope = new SendToWeakThisEnvelope(this);
_heartbeatInterval = heartbeatInterval;
_heartbeatTimeout = heartbeatTimeout;
_connectionPendingSendBytesThreshold = ESConsts.UnrestrictedPendingSendBytes;
_connectionQueueSizeThreshold = ESConsts.MaxConnectionQueueSize;
_connectionEstablished = onConnectionEstablished;
_connectionClosed = onConnectionClosed;
RemoteEndPoint = remoteEndPoint;
_connection = useSsl
? connector.ConnectSslTo(ConnectionId, targetHost, remoteEndPoint.ResolveDnsToIPAddress(), ConnectionTimeout,
sslServerCertValidator, sslClientCertificatesSelector, OnConnectionEstablished, OnConnectionFailed)
: connector.ConnectTo(ConnectionId, remoteEndPoint.ResolveDnsToIPAddress(), ConnectionTimeout, OnConnectionEstablished,
OnConnectionFailed);
_connection.ConnectionClosed += OnConnectionClosed;
if (_connection.IsClosed)
{
OnConnectionClosed(_connection, SocketError.Success);
}
}
public TcpConnectionManager(string connectionName,
Guid connectionId,
ITcpDispatcher dispatcher,
IPublisher publisher,
IPEndPoint remoteEndPoint,
TcpClientConnector connector,
bool useSsl,
string sslTargetHost,
bool sslValidateServer,
IPublisher networkSendQueue,
IAuthenticationProvider authProvider,
TimeSpan heartbeatInterval,
TimeSpan heartbeatTimeout,
Action <TcpConnectionManager> onConnectionEstablished,
Action <TcpConnectionManager, SocketError> onConnectionClosed)
{
Ensure.NotEmptyGuid(connectionId, "connectionId");
Ensure.NotNull(dispatcher, "dispatcher");
Ensure.NotNull(publisher, "publisher");
Ensure.NotNull(authProvider, "authProvider");
Ensure.NotNull(remoteEndPoint, "remoteEndPoint");
Ensure.NotNull(connector, "connector");
if (useSsl)
{
Ensure.NotNull(sslTargetHost, "sslTargetHost");
}
ConnectionId = connectionId;
ConnectionName = connectionName;
_tcpEnvelope = new SendOverTcpEnvelope(this, networkSendQueue);
_publisher = publisher;
_dispatcher = dispatcher;
_authProvider = authProvider;
_framer = new LengthPrefixMessageFramer();
_framer.RegisterMessageArrivedCallback(OnMessageArrived);
_weakThisEnvelope = new SendToWeakThisEnvelope(this);
_heartbeatInterval = heartbeatInterval;
_heartbeatTimeout = heartbeatTimeout;
_connectionPendingSendBytesThreshold = ESConsts.UnrestrictedPendingSendBytes;
_connectionQueueSizeThreshold = ESConsts.MaxConnectionQueueSize;
_connectionEstablished = onConnectionEstablished;
_connectionClosed = onConnectionClosed;
RemoteEndPoint = remoteEndPoint;
_connection = useSsl
? connector.ConnectSslTo(ConnectionId, remoteEndPoint, ConnectionTimeout,
sslTargetHost, sslValidateServer, OnConnectionEstablished, OnConnectionFailed)
: connector.ConnectTo(ConnectionId, remoteEndPoint, ConnectionTimeout, OnConnectionEstablished,
OnConnectionFailed);
_connection.ConnectionClosed += OnConnectionClosed;
if (_connection.IsClosed)
{
OnConnectionClosed(_connection, SocketError.Success);
}
}
public Connection CreateTcpConnection(CommandProcessorContext context,
Action <Connection, TcpPackage> handlePackage,
Action <Connection> connectionEstablished = null,
Action <Connection, SocketError> connectionClosed = null,
bool failContextOnError = true,
IPEndPoint tcpEndPoint = null)
{
var connectionCreatedEvent = new ManualResetEventSlim(false);
Connection typedConnection = null;
Action <ITcpConnection> onConnectionEstablished = conn => {
// we execute callback on ThreadPool because on FreeBSD it can be called synchronously
// causing deadlock
ThreadPool.QueueUserWorkItem(_ => {
if (!InteractiveMode)
{
Log.Information(
"TcpTypedConnection: connected to [{remoteEndPoint}, L{localEndPoint}, {connectionId:B}].",
conn.RemoteEndPoint, conn.LocalEndPoint, conn.ConnectionId);
}
if (connectionEstablished != null)
{
if (!connectionCreatedEvent.Wait(10000))
{
throw new Exception("TcpTypedConnection: creation took too long!");
}
connectionEstablished(typedConnection);
}
});
};
Action <ITcpConnection, SocketError> onConnectionFailed = (conn, error) => {
Log.Error(
"TcpTypedConnection: connection to [{remoteEndPoint}, L{localEndPoint}, {connectionId:B}] failed. Error: {e}.",
conn.RemoteEndPoint, conn.LocalEndPoint, conn.ConnectionId, error);
if (connectionClosed != null)
{
connectionClosed(null, error);
}
if (failContextOnError)
{
context.Fail(reason: string.Format("Socket connection failed with error {0}.", error));
}
};
ITcpConnection connection;
if (UseSsl)
{
if (string.IsNullOrEmpty(TargetHost))
{
context.Fail(reason: "TargetHost is required if using SSL");
}
connection = _connector.ConnectSslTo(
Guid.NewGuid(),
tcpEndPoint ?? TcpEndpoint,
TcpConnectionManager.ConnectionTimeout,
TargetHost,
ValidateServer,
onConnectionEstablished,
onConnectionFailed,
verbose: !InteractiveMode);
}
else
{
connection = _connector.ConnectTo(
Guid.NewGuid(),
tcpEndPoint ?? TcpEndpoint,
TcpConnectionManager.ConnectionTimeout,
onConnectionEstablished,
onConnectionFailed,
verbose: !InteractiveMode);
}
typedConnection = new Connection(connection, new RawMessageFormatter(_bufferManager),
new LengthPrefixMessageFramer());
typedConnection.ConnectionClosed +=
(conn, error) => {
if (!InteractiveMode || error != SocketError.Success)
{
Log.Information(
"TcpTypedConnection: connection [{remoteEndPoint}, L{localEndPoint}] was closed {status}",
conn.RemoteEndPoint, conn.LocalEndPoint,
error == SocketError.Success ? "cleanly." : "with error: " + error + ".");
}
if (connectionClosed != null)
{
connectionClosed(conn, error);
}
else
{
Log.Information("connectionClosed callback was null");
}
};
connectionCreatedEvent.Set();
typedConnection.ReceiveAsync(
(conn, pkg) => {
var package = new TcpPackage();
bool validPackage = false;
try {
package = TcpPackage.FromArraySegment(new ArraySegment <byte>(pkg));
validPackage = true;
if (package.Command == TcpCommand.HeartbeatRequestCommand)
{
var resp = new TcpPackage(TcpCommand.HeartbeatResponseCommand, Guid.NewGuid(), null);
conn.EnqueueSend(resp.AsByteArray());
return;
}
handlePackage(conn, package);
} catch (Exception ex) {
Log.Information(ex,
"TcpTypedConnection: [{remoteEndPoint}, L{localEndPoint}] ERROR for {package}. Connection will be closed.",
conn.RemoteEndPoint, conn.LocalEndPoint,
validPackage ? package.Command as object : "<invalid package>");
conn.Close(ex.Message);
if (failContextOnError)
{
context.Fail(ex);
}
}
});
return(typedConnection);
}
