import okhttp3.internal.ws.WebSocketProtocol.OPCODE_CONTROL_PING
import okhttp3.internal.ws.WebSocketProtocol.OPCODE_CONTROL_PONG
import okhttp3.internal.ws.WebSocketProtocol.OPCODE_FLAG_CONTROL
import okhttp3.internal.ws.WebSocketProtocol.OPCODE_TEXT
import okhttp3.internal.ws.WebSocketProtocol.PAYLOAD_BYTE_MAX
import okhttp3.internal.ws.WebSocketProtocol.PAYLOAD_LONG

type wsWriter struct {
	tmp [ws.MaxHeaderSize]byte
}

// writeMessage writes a message to w without allocations.
func (ww *wsWriter) writeMessage(w io.Writer, s ws.State, op ws.OpCode, p []byte) error {
	const fin = true
	var frame ws.Frame
	if s.ClientSide() {
		// We do not need to copy the payload, since we own it.
		payload := p

		frame = ws.NewFrame(op, fin, payload)

import okhttp3.internal.connection.asBufferedSocket
import okhttp3.internal.okHttpName
import okhttp3.internal.ws.WebSocketProtocol.CLOSE_CLIENT_GOING_AWAY
import okhttp3.internal.ws.WebSocketProtocol.CLOSE_MESSAGE_MAX
import okhttp3.internal.ws.WebSocketProtocol.OPCODE_BINARY
import okhttp3.internal.ws.WebSocketProtocol.OPCODE_TEXT
import okhttp3.internal.ws.WebSocketProtocol.validateCloseCode
import okio.BufferedSink
import okio.BufferedSource

package grid

import (
	"context"
	"errors"
	"fmt"
	"io"
	"net"
	"net/http"
	"runtime/debug"
	"strings"
	"time"

	"github.com/gobwas/ws"
	"github.com/gobwas/ws/wsutil"
	"github.com/google/uuid"
	"github.com/minio/madmin-go/v3"
	"github.com/minio/minio/internal/deadlineconn"
	"github.com/minio/minio/internal/pubsub"
	"github.com/minio/mux"
)

const (

	cfg := globalServerConfig.Clone()
	vars := mux.Vars(r)
	key := vars["key"]

	var subSys, target string
	{
		ws := strings.SplitN(key, madmin.SubSystemSeparator, 2)
		subSys = ws[0]
		if len(ws) == 2 {
			if ws[1] == "" {
				target = madmin.Default
			} else {
				target = ws[1]
			}
		}
	}

	subSysConfigs, err := cfg.GetSubsysInfo(subSys, target, true)
	if err != nil {

ftp://foo:21/  s:ftp h:foo p:/
ftp://foo:80/  s:ftp h:foo port:80 p:/
gopher://foo:70/  s:gopher h:foo p:/
gopher://foo:443/  s:gopher h:foo port:443 p:/
ws://foo:80/  s:ws h:foo p:/
ws://foo:81/  s:ws h:foo port:81 p:/
ws://foo:443/  s:ws h:foo port:443 p:/
ws://foo:815/  s:ws h:foo port:815 p:/
wss://foo:80/  s:wss h:foo port:80 p:/
wss://foo:81/  s:wss h:foo port:81 p:/
wss://foo:443/  s:wss h:foo p:/

    clientListener.assertClosed(1000, "")
    serverListener.assertClosed(1000, "")
  }

  @Test
  fun wsScheme() {
    assumeNotWindows()
    websocketScheme("ws")
  }

  @Test
  fun wsUppercaseScheme() {
    websocketScheme("WS")
  }

  @Test
  fun wssScheme() {
    webServer.useHttps(handshakeCertificates.sslSocketFactory())
    client =
      client
        .newBuilder()

	case finished:
		return n, io.EOF
	default:
		return n, nil
	}
}

func (sr *sparseFileReader) WriteTo(w io.Writer) (n int64, err error) {
	ws, ok := w.(io.WriteSeeker)
	if ok {
		if _, err := ws.Seek(0, io.SeekCurrent); err != nil {
			ok = false // Not all io.Seeker can really seek
		}
	}
	if !ok {
		return io.Copy(w, struct{ io.Reader }{sr})
	}

 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package okhttp3.internal.ws

import assertk.assertThat
import assertk.assertions.isEqualTo
import assertk.assertions.isFalse
import assertk.assertions.isGreaterThan
import assertk.assertions.isLessThan
import assertk.assertions.isTrue

import okhttp3.internal.immutableListOf
import okhttp3.internal.platform.Platform
import okhttp3.internal.threadFactory
import okhttp3.internal.toImmutableList
import okhttp3.internal.ws.RealWebSocket
import okhttp3.internal.ws.WebSocketExtensions
import okhttp3.internal.ws.WebSocketProtocol
import okio.Buffer
import okio.BufferedSink
import okio.BufferedSource
import okio.ByteString
import okio.Sink
import okio.Timeout
import okio.buffer