mirror of
https://github.com/openziti/ziti.git
synced 2026-09-11 13:29:03 +00:00
Michael Quigley
92 lines
3.0 KiB
Go
92 lines
3.0 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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"bytes"
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"encoding/binary"
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"github.com/golang/protobuf/proto"
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"github.com/openziti/fabric/controller/network"
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"github.com/openziti/fabric/controller/xt"
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"github.com/openziti/fabric/ctrl_msg"
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"github.com/openziti/fabric/pb/ctrl_pb"
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"github.com/openziti/foundation/channel2"
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"github.com/sirupsen/logrus"
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)
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type routeResultHandler struct {
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network *network.Network
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r *network.Router
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}
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func newRouteResultHandler(network *network.Network, r *network.Router) *routeResultHandler {
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return &routeResultHandler{
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network: network,
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r: r,
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}
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}
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func (self *routeResultHandler) ContentType() int32 {
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return ctrl_msg.RouteResultType
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}
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func (self *routeResultHandler) HandleReceive(msg *channel2.Message, _ channel2.Channel) {
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if v, found := msg.Headers[ctrl_msg.RouteResultAttemptHeader]; found {
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_, success := msg.Headers[ctrl_msg.RouteResultSuccessHeader]
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rerrv, _ := msg.Headers[ctrl_msg.RouteResultErrorHeader]
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rerr := string(rerrv)
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var attempt uint32
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buf := bytes.NewBuffer(v)
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if err := binary.Read(buf, binary.LittleEndian, &attempt); err == nil {
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sessionId := string(msg.Body)
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peerData := xt.PeerData{}
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for k, v := range msg.Headers {
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if k > 0 && k != ctrl_msg.RouteResultSuccessHeader && k != ctrl_msg.RouteResultErrorHeader && k != ctrl_msg.RouteResultAttemptHeader {
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peerData[uint32(k)] = v
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}
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}
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routing := self.network.RouteResult(self.r, sessionId, attempt, success, rerr, peerData)
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if !routing && attempt != network.SmartRerouteAttempt {
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go self.notRoutingSession(sessionId)
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}
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} else {
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logrus.Errorf("error reading attempt number from route result (%v)", err)
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return
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}
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} else {
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logrus.Errorf("missing attempt header in route result from [r/%s]", self.r.Id)
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}
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}
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func (self *routeResultHandler) notRoutingSession(sessionId string) {
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logrus.Warnf("not routing session [s/%s] for router [r/%s] (and not smart re-route), sending unroute", sessionId, self.r.Id)
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unroute := &ctrl_pb.Unroute{
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SessionId: sessionId,
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Now: true,
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}
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if body, err := proto.Marshal(unroute); err == nil {
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unrouteMsg := channel2.NewMessage(int32(ctrl_pb.ContentType_UnrouteType), body)
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if err := self.r.Control.Send(unrouteMsg); err != nil {
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logrus.Errorf("error sending unroute message for [s/%s] to [r/%s] (%v)", sessionId, self.r.Id, err)
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}
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} else {
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logrus.Errorf("error sending unroute message for [s/%s] to [r/%s] (%v)", sessionId, self.r.Id, err)
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}
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}
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