mirror of
https://github.com/openziti/ziti.git
synced 2026-10-08 13:51:22 +00:00
Paul Lorenz
97 lines
3.1 KiB
Go
97 lines
3.1 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_ctrl
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import (
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"github.com/michaelquigley/pfxlog"
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"github.com/openziti/channel/v2"
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"github.com/openziti/ziti/common/pb/ctrl_pb"
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"github.com/openziti/ziti/router/env"
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"github.com/openziti/ziti/router/xgress"
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"google.golang.org/protobuf/proto"
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)
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const (
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TerminatorDeleteBatchSize = 50
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)
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type validateTerminatorsHandler struct {
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env env.RouterEnv
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}
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func newValidateTerminatorsHandler(env env.RouterEnv) *validateTerminatorsHandler {
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return &validateTerminatorsHandler{
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env: env,
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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.Logger()
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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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var deleteList []string
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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.env.GetDialerCfg()[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 distinguish 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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deleteList = append(deleteList, terminator.Id)
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if len(deleteList) >= TerminatorDeleteBatchSize {
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log.Infof("send batch of %v terminator deletes", len(deleteList))
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xgress.RemoveTerminators(handler.env.GetNetworkControllers(), deleteList)
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deleteList = nil
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}
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}
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}
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if len(deleteList) > 0 {
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log.Infof("send batch of %v terminator deletes", len(deleteList))
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xgress.RemoveTerminators(handler.env.GetNetworkControllers(), deleteList)
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}
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}
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