mirror of
https://github.com/openziti/ziti.git
synced 2026-10-12 15:28:05 +00:00
Paul Lorenz
69 lines
1.5 KiB
Go
69 lines
1.5 KiB
Go
/*
|
|
Copyright NetFoundry, Inc.
|
|
|
|
Licensed under the Apache License, Version 2.0 (the "License");
|
|
you may not use this file except in compliance with the License.
|
|
You may obtain a copy of the License at
|
|
|
|
https://www.apache.org/licenses/LICENSE-2.0
|
|
|
|
Unless required by applicable law or agreed to in writing, software
|
|
distributed under the License is distributed on an "AS IS" BASIS,
|
|
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
See the License for the specific language governing permissions and
|
|
limitations under the License.
|
|
*/
|
|
|
|
package handler_ctrl
|
|
|
|
import (
|
|
"github.com/michaelquigley/pfxlog"
|
|
"github.com/openziti/fabric/router/forwarder"
|
|
"sync"
|
|
)
|
|
|
|
type handlerPool struct {
|
|
options forwarder.WorkerPoolOptions
|
|
startOnce sync.Once
|
|
queue chan func()
|
|
closeNotify chan struct{}
|
|
}
|
|
|
|
func (pool *handlerPool) Start() {
|
|
pool.startOnce.Do(func() {
|
|
pool.queue = make(chan func(), pool.options.QueueLength)
|
|
for i := uint16(0); i < pool.options.WorkerCount; i++ {
|
|
go pool.worker()
|
|
}
|
|
})
|
|
}
|
|
|
|
func (pool *handlerPool) worker() {
|
|
for {
|
|
select {
|
|
case work := <-pool.queue:
|
|
if work != nil {
|
|
pool.doWork(work)
|
|
}
|
|
case <-pool.closeNotify:
|
|
return
|
|
}
|
|
}
|
|
}
|
|
|
|
func (pool *handlerPool) doWork(work func()) {
|
|
defer func() {
|
|
if err := recover(); err != nil {
|
|
pfxlog.Logger().Errorf("worker error: %v", err)
|
|
}
|
|
}()
|
|
work()
|
|
}
|
|
|
|
func (pool *handlerPool) Queue(handler func()) {
|
|
select {
|
|
case pool.queue <- handler:
|
|
case <-pool.closeNotify:
|
|
}
|
|
}
|