package http

import (
	"context"
	"net"
	"syscall"
	"time"
)

// CheckPortAvailability - check if given host and port is already in use.
// Note: The check method tries to listen on given port and closes it.
// It is possible to have a disconnected client in this tiny window of time.
func CheckPortAvailability(host, port string, opts TCPOptions) (err error) {
	lc := &net.ListenConfig{

    /**
     * Resolves the given {@link PluginRequests} into the given {@link ScriptHandlerInternal#getScriptClassPath()},
     * exports the resulting classpath into the given {@link ClassLoaderScope}, closes it and then applies
     * the requested plugins.
     *
     * A null target indicates that no plugin requests should be resolved but only the setup of the given
     * {@link ClassLoaderScope}.
     */

        this.b = b;
        this.off = off;
        count = len;
        digest = null; /* otherwise recycled commands
                        * like writeandx will choke if session
                        * closes in between */
    }
    int writeParameterWordsWireFormat( byte[] dst, int dstIndex ) {
        int start = dstIndex;

        writeInt2( fid, dst, dstIndex );
        dstIndex += 2;

    advance();
  }

  @Override
  public void close() throws IOException {
    if (in != null) {
      try {
        in.close();
      } finally {
        in = null;
      }
    }
  }

  /** Closes the current input stream and opens the next one, if any. */
  private void advance() throws IOException {
    close();
    if (it.hasNext()) {
      in = it.next().openStream();
    }
  }

  @Override

		if weightSum == 0 {
			return 0
		}
		return nodeScore / weightSum
	}
}

// The used capacity is calculated on a scale of 0-MaxNodeScore (MaxNodeScore is
// constant with value set to 100).
// 0 being the lowest priority and 100 being the highest.
// The more resources are used the higher the score is. This function
// is almost a reversed version of noderesources.leastRequestedScore.

// no other code should use it.
type SeatSeconds uint64

// MaxSeatsSeconds is the maximum representable value of SeatSeconds
const MaxSeatSeconds = SeatSeconds(math.MaxUint64)

// MinSeatSeconds is the lowest representable value of SeatSeconds
const MinSeatSeconds = SeatSeconds(0)

// SeatsTimeDuration produces the SeatSeconds value for the given factors.
// This is intended only to produce small values, increments in work

			weightSum += weight
		}
		if weightSum == 0 {
			return 0
		}
		return nodeScore / weightSum
	}
}

// The unused capacity is calculated on a scale of 0-MaxNodeScore
// 0 being the lowest priority and `MaxNodeScore` being the highest.
// The more unused resources the higher the score is.
func leastRequestedScore(requested, capacity int64) int64 {
	if capacity == 0 {
		return 0
	}
	if requested > capacity {

        when:
        cache.finishWork()

        then:
        1 * fileAccess.writeFile(!null) >> { Runnable action -> action.run() }
        1 * backingCache.close()
        0 * _._
    }

    def "closes cache when closed"() {
        given:
        cacheOpened()

        when:
        cache.finishWork()

        then:
        1 * fileAccess.writeFile(!null) >> { Runnable action -> action.run() }

type PriorityQueue []*Item

func (pq PriorityQueue) Len() int { return len(pq) }

func (pq PriorityQueue) Less(i, j int) bool {
	// We want Pop to give us the highest, not lowest, priority so we use greater than here.
	return pq[i].priority > pq[j].priority
}

func (pq PriorityQueue) Swap(i, j int) {
	pq[i], pq[j] = pq[j], pq[i]
	pq[i].index = i
	pq[j].index = j
}

package netip

import "math/bits"

// uint128 represents a uint128 using two uint64s.
//
// When the methods below mention a bit number, bit 0 is the most
// significant bit (in hi) and bit 127 is the lowest (lo&1).
type uint128 struct {
	hi uint64
	lo uint64
}

// mask6 returns a uint128 bitmask with the topmost n bits of a
// 128-bit number.
func mask6(n int) uint128 {