) {
    logWithTime("connectFailed: $protocol $ioe")
  }

  override fun connectionAcquired(
    call: Call,
    connection: Connection,
  ) {
    logWithTime("connectionAcquired: $connection")
  }

  override fun connectionReleased(
    call: Call,
    connection: Connection,
  ) {
    logWithTime("connectionReleased")
  }

  override fun requestHeadersStart(call: Call) {

     */
    protected abstract void doDisconnect(boolean hard) throws IOException;

    /**
     * Establishes a connection to the remote endpoint.
     *
     * @param timeout the maximum time to wait for the connection in milliseconds
     * @throws TransportException if the connection fails or times out
     */
    public synchronized void connect(final long timeout) throws TransportException {
        try {

        when(mockChannelManager.getLoadBalancer()).thenReturn(mockLoadBalancer);
    }

    @Test
    void testHandleFailure() {
        IOException error = new IOException("Connection failed");

        failover.handleFailure(failedChannel, error);

        assertEquals(ChannelState.FAILED, failedChannel.getState());
        verify(mockChannelManager).removeChannel(failedChannel);
    }

            // endpoint.connect(remoteAddress, 1000);  // 1 second timeout

            state = RdmaConnectionState.CONNECTED;
            log.debug("DiSNI RDMA connection established to {}", remoteAddress);

        } catch (Exception e) {
            state = RdmaConnectionState.ERROR;
            throw new IOException("DiSNI RDMA connection failed", e);
        }
    }

A **Manager** is used to manage all incoming and outgoing connections to a server.

On startup all remote servers must be specified.
From that individual connections will be spawned to each remote server,
or incoming requests will be hooked up to the appropriate connection.

To get a connection to a specific server, use `Manager.Connection(host)` to get a connection to the specified host.
From this connection individual requests can be made.

    // flow-control window is fully depleted.
    if (!flushHeaders) {
      withLock {
        flushHeaders = (connection.writeBytesTotal >= connection.writeBytesMaximum)
      }
    }

    connection.writeHeaders(id, outFinished, responseHeaders)

    if (flushHeaders) {
      connection.flush()
    }
  }

 *  * attempt to find a connection
 *  * step through time, asserting that the expected side effects are performed.
 */
internal class FastFallbackExchangeFinderTest {
  private val taskFaker = TaskFaker()
  private val taskRunner = taskFaker.taskRunner

  /**
   * Note that we don't use the same [TaskFaker] for this factory. That way off-topic tasks like

        .Builder()
        .url(server.url("/"))
        .header("Connection", "close")
        .build()
    val requestB = Request(server.url("/"))
    assertConnectionNotReused(requestA, requestB)
  }

  @Test
  fun connectionsAreNotReusedWithResponseConnectionClose() {
    server.enqueue(
      MockResponse(
        headers = headersOf("Connection", "close"),
        body = "a",
      ),
    )

// DeadlineConn - is a generic stream-oriented network connection supporting buffered reader and read/write timeout.
type DeadlineConn struct {
	net.Conn
	readDeadline            time.Duration // sets the read deadline on a connection.
	readSetAt               time.Time
	writeDeadline           time.Duration // sets the write deadline on a connection.
	writeSetAt              time.Time

public class RdmaErrorHandler {
    public void handleRdmaError(RdmaConnection connection, Exception error) {
        log.warn("RDMA error occurred: {}", error.getMessage());
        
        if (isRecoverableError(error)) {
            // Attempt to recover connection
            try {
                connection.reset();
                log.info("RDMA connection recovered");
            } catch (Exception e) {