mirror of
https://github.com/openziti/ziti.git
synced 2026-09-10 08:45:41 +00:00
Paul Lorenz
118 lines
3.5 KiB
Go
118 lines
3.5 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_ctrl
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import (
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"errors"
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"google.golang.org/protobuf/proto"
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"github.com/michaelquigley/pfxlog"
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"github.com/openziti/channel"
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"github.com/openziti/channel/protobufs"
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"github.com/openziti/fabric/controller/network"
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"github.com/openziti/fabric/pb/ctrl_pb"
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"strings"
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)
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type faultHandler struct {
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r *network.Router
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network *network.Network
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}
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func newFaultHandler(r *network.Router, network *network.Network) *faultHandler {
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return &faultHandler{r: r, network: network}
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}
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func (h *faultHandler) ContentType() int32 {
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return int32(ctrl_pb.ContentType_FaultType)
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}
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func (h *faultHandler) HandleReceive(msg *channel.Message, ch channel.Channel) {
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log := pfxlog.ContextLogger(ch.Label())
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fault := &ctrl_pb.Fault{}
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if err := proto.Unmarshal(msg.Body, fault); err != nil {
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log.WithError(err).Error("failed to unmarshal fault message")
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return
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}
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go h.handleFault(msg, ch, fault)
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}
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func (h *faultHandler) handleFault(_ *channel.Message, ch channel.Channel, fault *ctrl_pb.Fault) {
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log := pfxlog.ContextLogger(ch.Label()).Entry
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switch fault.Subject {
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case ctrl_pb.FaultSubject_LinkFault:
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linkId := fault.Id
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if link, found := h.network.GetLink(linkId); found {
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log = log.WithField("linkId", linkId)
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wasConnected := link.IsUsable()
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if err := h.network.LinkConnected(linkId, false); err == nil {
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h.network.LinkChanged(link)
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otherRouter := link.Src
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if link.Src.Id == h.r.Id {
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otherRouter = link.Dst
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}
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if wasConnected {
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if ctrl := otherRouter.Control; ctrl != nil && otherRouter.Connected.Get() {
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if err := protobufs.MarshalTyped(fault).Send(ctrl); err != nil {
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log.WithField("routerId", otherRouter.Id).
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WithError(err).Error("failed to forward link fault to other router")
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}
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}
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}
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log.Info("link fault")
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} else {
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log.WithError(err).Error("error handling link fault")
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}
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}
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case ctrl_pb.FaultSubject_IngressFault:
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if err := h.network.RemoveCircuit(fault.Id, false); err != nil {
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invalidCircuitErr := network.InvalidCircuitError{}
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if errors.As(err, &invalidCircuitErr) {
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log.Debugf("error handling ingress fault (%s)", err)
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} else {
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log.Errorf("error handling ingress fault (%s)", err)
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}
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} else {
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log.Debugf("handled ingress fault for (%s)", fault.Id)
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}
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case ctrl_pb.FaultSubject_EgressFault:
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if err := h.network.RemoveCircuit(fault.Id, false); err != nil {
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invalidCircuitErr := network.InvalidCircuitError{}
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if errors.As(err, &invalidCircuitErr) {
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log.Debugf("error handling egress fault (%s)", err)
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} else {
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log.Errorf("error handling egress fault (%s)", err)
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}
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} else {
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log.Debugf("handled egress fault for (%s)", fault.Id)
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}
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case ctrl_pb.FaultSubject_ForwardFault:
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circuitIds := strings.Split(fault.Id, " ")
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h.network.ReportForwardingFaults(&network.ForwardingFaultReport{R: h.r, CircuitIds: circuitIds})
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default:
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log.Errorf("unexpected subject (%s)", fault.Subject.String())
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}
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}
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