mirror of
https://github.com/openziti/ziti.git
synced 2026-10-12 15:28:05 +00:00
Paul Lorenz
83 lines
2.9 KiB
Go
83 lines
2.9 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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"github.com/golang/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/fabric/pb/ctrl_pb"
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"github.com/openziti/fabric/router/xgress"
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)
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type validateTerminatorsHandler struct {
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ctrl xgress.CtrlChannel
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dialerCfg map[string]xgress.OptionsData
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}
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func newValidateTerminatorsHandler(ctrl xgress.CtrlChannel, dialerCfg map[string]xgress.OptionsData) *validateTerminatorsHandler {
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return &validateTerminatorsHandler{
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ctrl: ctrl,
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dialerCfg: dialerCfg,
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}
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}
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func (handler *validateTerminatorsHandler) ContentType() int32 {
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return int32(ctrl_pb.ContentType_ValidateTerminatorsRequestType)
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}
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func (handler *validateTerminatorsHandler) HandleReceive(msg *channel.Message, ch channel.Channel) {
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log := pfxlog.ContextLogger(ch.Label())
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req := &ctrl_pb.ValidateTerminatorsRequest{}
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if err := proto.Unmarshal(msg.Body, req); err != nil {
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log.Errorf("error unmarshaling validate terminators msg (%v)", err)
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return
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}
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// because this sends AND receives messages, must be done async, otherwise message responses will never
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// be received, as this handler will block processing
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go handler.validateTerminators(req)
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}
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func (handler *validateTerminatorsHandler) validateTerminators(req *ctrl_pb.ValidateTerminatorsRequest) {
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log := pfxlog.ContextLogger(handler.ctrl.Channel().Label())
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log.Debugf("validate terminators route request received: %v terminators", len(req.Terminators))
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dialers := map[string]xgress.Dialer{}
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for _, terminator := range req.Terminators {
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binding := terminator.Binding
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dialer := dialers[binding]
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if dialer == nil {
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if factory, err := xgress.GlobalRegistry().Factory(binding); err == nil {
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if dialer, err = factory.CreateDialer(handler.dialerCfg[binding]); err == nil {
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dialers[binding] = dialer
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}
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}
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}
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// TODO: We could distringuish between gone and invalid configuration and allow disabling terminators
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// rather than deleting them
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if dialer == nil || !dialer.IsTerminatorValid(terminator.Id, terminator.Address) {
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log.Infof("removing invalid terminator %v with binding: %v. had dialer? %v", terminator.Id, terminator.Binding, dialer != nil)
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if err := xgress.RemoveTerminator(handler.ctrl, terminator.Id); err != nil {
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log.Errorf("failed to remove invalid terminator %v (%v)", terminator.Id, err)
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}
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}
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}
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}
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