mirror of
https://github.com/openziti/ziti.git
synced 2026-10-13 07:41:17 +00:00
Paul Lorenz
71 lines
2.1 KiB
Go
71 lines
2.1 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 handler_link
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import (
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"github.com/golang/protobuf/proto"
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"github.com/michaelquigley/pfxlog"
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"github.com/openziti/fabric/pb/ctrl_pb"
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"github.com/openziti/fabric/router/forwarder"
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"github.com/openziti/fabric/router/xgress"
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"github.com/openziti/fabric/router/xlink"
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"github.com/openziti/foundation/channel2"
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"github.com/openziti/foundation/util/concurrenz"
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)
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type closeHandler struct {
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link xlink.Xlink
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ctrl xgress.CtrlChannel
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forwarder *forwarder.Forwarder
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closeNotify chan struct{}
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closed concurrenz.AtomicBoolean
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}
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func newCloseHandler(link xlink.Xlink, ctrl xgress.CtrlChannel, forwarder *forwarder.Forwarder, closeNotify chan struct{}) *closeHandler {
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return &closeHandler{
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link: link,
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ctrl: ctrl,
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forwarder: forwarder,
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closeNotify: closeNotify,
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}
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}
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func (self *closeHandler) HandleClose(ch channel2.Channel) {
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defer func() {
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if self.closed.CompareAndSwap(false, true) {
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close(self.closeNotify)
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}
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}()
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log := pfxlog.ContextLogger(ch.Label())
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log.Info("link closed")
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fault := &ctrl_pb.Fault{Subject: ctrl_pb.FaultSubject_LinkFault, Id: self.link.Id().Token}
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if body, err := proto.Marshal(fault); err == nil {
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msg := channel2.NewMessage(int32(ctrl_pb.ContentType_FaultType), body)
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if err := self.ctrl.Channel().Send(msg); err == nil {
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log.Error("transmitted link fault")
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} else {
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log.Errorf("unexpected error transmitting link fault (%v)", err)
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}
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} else {
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log.Errorf("unexpected error (%v)", err)
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}
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self.forwarder.UnregisterLink(self.link)
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}
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