default:
			}
		}
	}()

	// Ping-pong b.N times
	ping, pong := make(chan bool), make(chan bool)
	go func() {
		for j := 0; j < b.N; j++ {
			pong <- <-ping
		}
		close(stop)
		done <- true
	}()
	go func() {
		for i := 0; i < b.N; i++ {
			ping <- <-pong
		}
		done <- true
	}()
	b.ResetTimer()
	ping <- true // Start ping-pong
	<-stop
	b.StopTimer()

  const val TYPE_PING = 0x6
  const val TYPE_GOAWAY = 0x7
  const val TYPE_WINDOW_UPDATE = 0x8
  const val TYPE_CONTINUATION = 0x9

  const val FLAG_NONE = 0x0
  const val FLAG_ACK = 0x1 // Used for settings and ping.
  const val FLAG_END_STREAM = 0x1 // Used for headers and data.
  const val FLAG_END_HEADERS = 0x4 // Used for headers and continuation.
  const val FLAG_END_PUSH_PROMISE = 0x4

        .add("\tkey\t:\tvalue\t") // '\t' also counts as whitespace
        .add("ping:  pong  ") // Value whitespace is trimmed.
        .add("kit:kat") // Space after colon is not required.
        .build()
    assertThat(headers.values("foo")).containsExactly("bar", "baz", "bak")
    assertThat(headers.values("key")).containsExactly("value")
    assertThat(headers.values("ping")).containsExactly("pong")

	// 		// ReadIdleTimeout is the timeout after which a health check using ping
	// 		// frame will be carried out if no frame is received on the
	// 		// connection. 5 minutes is sufficient time for any idle connection.
	// 		trhttp2.ReadIdleTimeout = 5 * time.Minute
	// 		// PingTimeout is the timeout after which the connection will be closed
	// 		// if a response to Ping is not received.
	// 		trhttp2.PingTimeout = dialTimeout

			entryOut.IsSeed = entryIn.IsSeed
		}
	}

	return entryOut, resp, false, callErr
}

// ping tells the worker to call the ping method. See workerServer.ping.
func (wc *workerClient) ping(ctx context.Context) error {
	wc.mu.Lock()
	defer wc.mu.Unlock()
	c := call{Ping: &pingArgs{}}
	var resp pingResponse
	return wc.callLocked(ctx, c, &resp)
}

        blockingServer.start()

        createDirs("a", "b", "c", "d")
        settingsFile << 'include "a", "b", "c", "d"'
        buildFile << """
allprojects {
    tasks.addRule("ping<>") { String name ->
        if (name.startsWith("ping")) {
            tasks.create(name) {
                doLast {
                    URL url = new URL("http://localhost:${blockingServer.port}/" + path)

                        LOGGER.debug("Failed attempt to ping owner of lock for {} (lock id: {}, port: {}, address: {})", displayName, lockId, ownerPort, address);
                    } else {
                        throw e;
                    }
                }
            }
        } catch (IOException e) {

# we should fail instead of falling back to an arbitrary protocol.
#
# Note that this test does not use the local vcweb test server
# (vcs-test.golang.org), because the hook for redirecting to that
# server bypasses the "ping to determine protocol" logic
# in cmd/go/internal/vcs.

[!net:golang.org] skip
[!git] skip
[short] skip 'tries to access a nonexistent external Git repo'

env GOPRIVATE=golang.org
env CURLOPT_TIMEOUT_MS=100

# sudo apt-get update && apt-get whichever

# hadolint ignore=DL3005,DL3008
RUN apt-get update && \
  apt-get install --no-install-recommends -y \
  ca-certificates \
  curl \
  iptables \
  iproute2 \
  iputils-ping \
  knot-dnsutils \
  netcat-openbsd \
  tcpdump \
  conntrack \
  bsdmainutils \
  net-tools \
  lsof \
  sudo \
  && update-ca-certificates \
  && apt-get upgrade -y \
  && apt-get clean \

- Enable SPDY pings to keep connections alive, so that `kubectl exec` and `kubectl portforward` won't be interrupted. ([#97083](https://github.com/kubernetes/kubernetes/pull/97083), [@knight42](https://github.com/knight42)) [SIG API Machinery and CLI]