while (!rdmaConnection.canSend() && System.currentTimeMillis() < deadline) {
            try {
                Thread.sleep(10);
            } catch (InterruptedException e) {
                Thread.currentThread().interrupt();
                throw new IOException("Interrupted waiting for send credit", e);
            }
        }
        
        if (!rdmaConnection.canSend()) {

    /**
     * Check if connection can send data (has send credits and is established)
     *
     * @return true if can send, false otherwise
     */
    public boolean canSend() {
        return sendCredits.get() > 0 && state == RdmaConnectionState.ESTABLISHED;
    }

    /**
     * Consume a send credit
     */
    public void consumeSendCredit() {

import kotlin.test.assertFailsWith
import mockwebserver3.MockResponse
import mockwebserver3.MockWebServer
import mockwebserver3.SocketEffect.CloseSocket
import mockwebserver3.junit5.StartStop
import okhttp3.CallEvent.CallEnd
import okhttp3.CallEvent.CallFailed
import okhttp3.CallEvent.CallStart
import okhttp3.CallEvent.ConnectStart
import okhttp3.CallEvent.ConnectionAcquired
import okhttp3.CallEvent.DnsEnd
import okhttp3.CallEvent.DnsStart

            // Given
            when(mockResource.canRead()).thenReturn(true);
            when(mockResource.canWrite()).thenReturn(false);

            // When
            boolean canRead = mockResource.canRead();
            boolean canWrite = mockResource.canWrite();

            // Then
            assertTrue(canRead, "Should be readable");
            assertFalse(canWrite, "Should not be writable");

    System.out.printf("%.3f %s%n", elapsedNanos / 1000000000d, name);
  }

  @Override public void callStart(Call call) {
    printEvent("callStart");
  }

  @Override public void callEnd(Call call) {
    printEvent("callEnd");
  }

  @Override public void dnsStart(Call call, String domainName) {
    printEvent("dnsStart");
  }

01-01 12:53:32.811 10999 11089 D OkHttp  : [49 ms] responseBodyEnd: byteCount=128
01-01 12:53:32.811 10999 11089 D OkHttp  : [49 ms] connectionReleased
01-01 12:53:32.811 10999 11089 D OkHttp  : [49 ms] callEnd
01-01 12:53:32.816 10999 11090 D OkHttp  : [54 ms] responseHeadersStart

01-01 12:53:32.811 10999 11089 D OkHttp  : [49 ms] responseBodyEnd: byteCount=128
01-01 12:53:32.811 10999 11089 D OkHttp  : [49 ms] connectionReleased
01-01 12:53:32.811 10999 11089 D OkHttp  : [49 ms] callEnd
01-01 12:53:32.816 10999 11090 D OkHttp  : [54 ms] responseHeadersStart

document's age at the time it was served based on "Last-Modified". Default expiration dates aren't used for URIs 
containing a query.

 - CallStart
 - **CacheHit**
 - CallEnd
 
### Cache Miss

Under a cache miss the normal request events are seen but an additional event shows the presence of the cache.

  }

  override fun responseFailed(
    call: Call,
    ioe: IOException,
  ) {
    logWithTime("responseFailed: $ioe")
  }

  override fun callEnd(call: Call) {
    logWithTime("callEnd")
  }

  override fun callFailed(
    call: Call,
    ioe: IOException,
  ) {
    logWithTime("callFailed: $ioe")
  }

  override fun canceled(call: Call) {

 * `dnsStart(call, domainName)` → `dnsEnd(call, domainName, inetAddressList)`.
 *
 * Events are typically nested with this structure:
 *
 *  * call ([callStart], [callEnd], [callFailed])
 *    * proxy selection ([proxySelectStart], [proxySelectEnd])
 *    * dns ([dnsStart], [dnsEnd])
 *    * connect ([connectStart], [connectEnd], [connectFailed])