130 lines
2.6 KiB
Go
130 lines
2.6 KiB
Go
/*
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Copyright NetFoundry Inc.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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https://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package channel
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import (
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"crypto/x509"
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"errors"
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"fmt"
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"github.com/openziti/identity"
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"github.com/openziti/transport/v2"
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"sync"
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"time"
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)
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type wsImpl struct {
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peer transport.Conn
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id *identity.TokenId
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connectionId string
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headers map[int32][]byte
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closeLock sync.Mutex
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closed bool
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readF readFunction
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marshalF marshalFunction
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}
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func (impl *wsImpl) SetWriteTimeout(duration time.Duration) error {
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return impl.peer.SetWriteDeadline(time.Now().Add(duration))
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}
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func (self *wsImpl) SetWriteDeadline(deadline time.Time) error {
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return self.peer.SetWriteDeadline(deadline)
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}
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func (impl *wsImpl) Rx() (*Message, error) {
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if impl.closed {
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return nil, errors.New("underlay closed")
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}
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return impl.readF(impl.peer)
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}
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func (impl *wsImpl) Tx(m *Message) error {
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if impl.closed {
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return errors.New("underlay closed")
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}
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data, err := impl.marshalF(m)
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if err != nil {
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return err
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}
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_, err = impl.peer.Write(data)
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if err != nil {
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return err
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}
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return nil
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}
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func (impl *wsImpl) Id() string {
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return impl.id.Token
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}
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func (impl *wsImpl) Headers() map[int32][]byte {
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return impl.headers
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}
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func (impl *wsImpl) LogicalName() string {
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return "ws"
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}
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func (impl *wsImpl) ConnectionId() string {
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return impl.connectionId
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}
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func (impl *wsImpl) Certificates() []*x509.Certificate {
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return impl.peer.PeerCertificates()
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}
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func (impl *wsImpl) Label() string {
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return fmt.Sprintf("u{%s}->i{%s}", impl.LogicalName(), impl.ConnectionId())
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}
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func (impl *wsImpl) Close() error {
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impl.closeLock.Lock()
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defer impl.closeLock.Unlock()
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if !impl.closed {
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impl.closed = true
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return impl.peer.Close()
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}
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return nil
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}
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func (impl *wsImpl) IsClosed() bool {
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return impl.closed
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}
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func newWSImpl(peer transport.Conn, version uint32) *wsImpl {
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readF := ReadV2
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marshalF := MarshalV2
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if version == 2 {
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readF = ReadV2
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marshalF = MarshalV2
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} else if version == 3 { // currently only used for testing fallback to a common protocol version
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readF = ReadV2
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marshalF = marshalV3
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}
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return &wsImpl{
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peer: peer,
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readF: readF,
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marshalF: marshalF,
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}
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}
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