120 lines
3.0 KiB
Go
120 lines
3.0 KiB
Go
/*
|
|
*
|
|
* Copyright 2024 gRPC authors.
|
|
*
|
|
* 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
|
|
*
|
|
* http://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 channelz
|
|
|
|
import (
|
|
"fmt"
|
|
"sync/atomic"
|
|
)
|
|
|
|
// Server is the channelz representation of a server.
|
|
type Server struct {
|
|
Entity
|
|
ID int64
|
|
RefName string
|
|
|
|
ServerMetrics ServerMetrics
|
|
|
|
closeCalled bool
|
|
sockets map[int64]string
|
|
listenSockets map[int64]string
|
|
cm *channelMap
|
|
}
|
|
|
|
// ServerMetrics defines a struct containing metrics for servers.
|
|
type ServerMetrics struct {
|
|
// The number of incoming calls started on the server.
|
|
CallsStarted atomic.Int64
|
|
// The number of incoming calls that have completed with an OK status.
|
|
CallsSucceeded atomic.Int64
|
|
// The number of incoming calls that have a completed with a non-OK status.
|
|
CallsFailed atomic.Int64
|
|
// The last time a call was started on the server.
|
|
LastCallStartedTimestamp atomic.Int64
|
|
}
|
|
|
|
// NewServerMetricsForTesting returns an initialized ServerMetrics.
|
|
func NewServerMetricsForTesting(started, succeeded, failed, timestamp int64) *ServerMetrics {
|
|
sm := &ServerMetrics{}
|
|
sm.CallsStarted.Store(started)
|
|
sm.CallsSucceeded.Store(succeeded)
|
|
sm.CallsFailed.Store(failed)
|
|
sm.LastCallStartedTimestamp.Store(timestamp)
|
|
return sm
|
|
}
|
|
|
|
func (sm *ServerMetrics) CopyFrom(o *ServerMetrics) {
|
|
sm.CallsStarted.Store(o.CallsStarted.Load())
|
|
sm.CallsSucceeded.Store(o.CallsSucceeded.Load())
|
|
sm.CallsFailed.Store(o.CallsFailed.Load())
|
|
sm.LastCallStartedTimestamp.Store(o.LastCallStartedTimestamp.Load())
|
|
}
|
|
|
|
// ListenSockets returns the listening sockets for s.
|
|
func (s *Server) ListenSockets() map[int64]string {
|
|
db.mu.RLock()
|
|
defer db.mu.RUnlock()
|
|
return copyMap(s.listenSockets)
|
|
}
|
|
|
|
// String returns a printable description of s.
|
|
func (s *Server) String() string {
|
|
return fmt.Sprintf("Server #%d", s.ID)
|
|
}
|
|
|
|
func (s *Server) id() int64 {
|
|
return s.ID
|
|
}
|
|
|
|
func (s *Server) addChild(id int64, e entry) {
|
|
switch v := e.(type) {
|
|
case *Socket:
|
|
switch v.SocketType {
|
|
case SocketTypeNormal:
|
|
s.sockets[id] = v.RefName
|
|
case SocketTypeListen:
|
|
s.listenSockets[id] = v.RefName
|
|
}
|
|
default:
|
|
logger.Errorf("cannot add a child (id = %d) of type %T to a server", id, e)
|
|
}
|
|
}
|
|
|
|
func (s *Server) deleteChild(id int64) {
|
|
delete(s.sockets, id)
|
|
delete(s.listenSockets, id)
|
|
s.deleteSelfIfReady()
|
|
}
|
|
|
|
func (s *Server) triggerDelete() {
|
|
s.closeCalled = true
|
|
s.deleteSelfIfReady()
|
|
}
|
|
|
|
func (s *Server) deleteSelfIfReady() {
|
|
if !s.closeCalled || len(s.sockets)+len(s.listenSockets) != 0 {
|
|
return
|
|
}
|
|
s.cm.deleteEntry(s.ID)
|
|
}
|
|
|
|
func (s *Server) getParentID() int64 {
|
|
return 0
|
|
}
|