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{

package http

import (
	"context"
	"net"
	"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{}

		expectedErr error
	}{
		{"", port, fmt.Errorf("listen tcp :%v: bind: address already in use", port)},
		{"127.0.0.1", port, fmt.Errorf("listen tcp 127.0.0.1:%v: bind: address already in use", port)},
	}

	for _, testCase := range testCases {
		err := CheckPortAvailability(testCase.host, strconv.Itoa(testCase.port), TCPOptions{})
		switch {
		case testCase.expectedErr == nil:
			if err != nil {

    - port: 80
      targetPort: 8080
      name: http2
    - port: 443
      targetPort: 8443
      name: https
    - port: 31400
      targetPort: 31400
      name: tcp
      # This is the port where sni routing happens
    - port: 15443
      targetPort: 15443
      name: tls
    resources:
      requests:
        cpu: 10m

    - port: 80
      targetPort: 8080
      name: http2
    - port: 443
      targetPort: 8443
      name: https
    - port: 31400
      targetPort: 31400
      name: tcp
      # This is the port where sni routing happens
    - port: 15443
      targetPort: 15443
      name: tls
    resources:
      requests:
        cpu: 10m

    - port: 80
      targetPort: 8080
      name: http2
    - port: 443
      targetPort: 8443
      name: https
    - port: 31400
      targetPort: 31400
      name: tcp
      # This is the port where sni routing happens
    - port: 15443
      targetPort: 15443
      name: tls
    resources:
      requests:
        cpu: 10m

    - port: 80
      targetPort: 8080
      name: http2
    - port: 443
      targetPort: 8443
      name: https
    - port: 31400
      targetPort: 31400
      name: tcp
      # This is the port where sni routing happens
    - port: 15443
      targetPort: 15443
      name: tls
    resources:
      requests:
        cpu: 10m

  // +listType=atomic
  repeated Endpoint endpoints = 2;

  // ports specifies the list of network ports exposed by each endpoint in
  // this slice. Each port must have a unique name. When ports is empty, it
  // indicates that there are no defined ports. When a port is defined with a
  // nil port value, it indicates "all ports". Each slice may include a
  // maximum of 100 ports.
  // +optional
  // +listType=atomic

    - port: 80
      targetPort: 8080
      name: http2
    - port: 443
      targetPort: 8443
      name: https
    - port: 31400
      targetPort: 31400
      name: tcp
      # This is the port where sni routing happens
    - port: 15443
      targetPort: 15443
      name: tls
    resources:
      requests:
        cpu: 10m

	start_port=$2
	args=""
	for d in $(seq 1 3 5); do
		args="$args http://127.0.0.1:$((start_port + 1))${WORK_DIR}/1/${d}/ http://127.0.0.1:$((start_port + 2))${WORK_DIR}/2/${d}/ http://127.0.0.1:$((start_port + 3))${WORK_DIR}/3/${d}/ "
		d=$((d + 1))