jochen
be92762969
The live tests reached one shared bus and assert, read and remove the mesh's own objects by their fixed names, so packages run in parallel deleted what each other read and the suite passed only one package at a time; a red suite read as noise. internal/testbus starts a server per test, linked in at the nats-server release go.mod pins, and a test holds that pin to the catalogue's bus image and to the facts snapshot's bus when there is one, so the tests never run a bus the mesh does not. The waiter test read a timing (the most connections held at one look) and now reads the state it means (the fewest held across the wait). make check runs the packages in parallel under the race detector, with a timeout.
139 lines
3.7 KiB
Go
139 lines
3.7 KiB
Go
// Copyright 2012-2025 The NATS 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 server
|
|
|
|
import (
|
|
"os"
|
|
"time"
|
|
|
|
"golang.org/x/sys/windows/svc"
|
|
)
|
|
|
|
const (
|
|
reopenLogCode = 128
|
|
reopenLogCmd = svc.Cmd(reopenLogCode)
|
|
ldmCode = 129
|
|
ldmCmd = svc.Cmd(ldmCode)
|
|
acceptReopenLog = svc.Accepted(reopenLogCode)
|
|
)
|
|
|
|
var serviceName = "nats-server"
|
|
|
|
// SetServiceName allows setting a different service name
|
|
func SetServiceName(name string) {
|
|
serviceName = name
|
|
}
|
|
|
|
// winServiceWrapper implements the svc.Handler interface for implementing
|
|
// nats-server as a Windows service.
|
|
type winServiceWrapper struct {
|
|
server *Server
|
|
}
|
|
|
|
var dockerized = false
|
|
var startupDelay = 10 * time.Second
|
|
|
|
func init() {
|
|
if v, exists := os.LookupEnv("NATS_DOCKERIZED"); exists && v == "1" {
|
|
dockerized = true
|
|
}
|
|
}
|
|
|
|
// Execute will be called by the package code at the start of
|
|
// the service, and the service will exit once Execute completes.
|
|
// Inside Execute you must read service change requests from r and
|
|
// act accordingly. You must keep service control manager up to date
|
|
// about state of your service by writing into s as required.
|
|
// args contains service name followed by argument strings passed
|
|
// to the service.
|
|
// You can provide service exit code in exitCode return parameter,
|
|
// with 0 being "no error". You can also indicate if exit code,
|
|
// if any, is service specific or not by using svcSpecificEC
|
|
// parameter.
|
|
func (w *winServiceWrapper) Execute(args []string, changes <-chan svc.ChangeRequest,
|
|
status chan<- svc.Status) (bool, uint32) {
|
|
|
|
status <- svc.Status{State: svc.StartPending}
|
|
go w.server.Start()
|
|
|
|
if v, exists := os.LookupEnv("NATS_STARTUP_DELAY"); exists {
|
|
if delay, err := time.ParseDuration(v); err == nil {
|
|
startupDelay = delay
|
|
} else {
|
|
w.server.Errorf("Failed to parse \"%v\" as a duration for startup: %s", v, err)
|
|
}
|
|
}
|
|
// Wait for accept loop(s) to be started
|
|
if !w.server.ReadyForConnections(startupDelay) {
|
|
// Failed to start.
|
|
return false, 1
|
|
}
|
|
|
|
status <- svc.Status{
|
|
State: svc.Running,
|
|
Accepts: svc.AcceptStop | svc.AcceptShutdown | svc.AcceptParamChange | acceptReopenLog,
|
|
}
|
|
|
|
loop:
|
|
for change := range changes {
|
|
switch change.Cmd {
|
|
case svc.Interrogate:
|
|
status <- change.CurrentStatus
|
|
case svc.Stop, svc.Shutdown:
|
|
w.server.Shutdown()
|
|
break loop
|
|
case reopenLogCmd:
|
|
// File log re-open for rotating file logs.
|
|
w.server.ReOpenLogFile()
|
|
case ldmCmd:
|
|
go w.server.lameDuckMode()
|
|
case svc.ParamChange:
|
|
if err := w.server.Reload(); err != nil {
|
|
w.server.Errorf("Failed to reload server configuration: %s", err)
|
|
}
|
|
default:
|
|
w.server.Debugf("Unexpected control request: %v", change.Cmd)
|
|
}
|
|
}
|
|
|
|
status <- svc.Status{State: svc.StopPending}
|
|
return false, 0
|
|
}
|
|
|
|
// Run starts the NATS server as a Windows service.
|
|
func Run(server *Server) error {
|
|
if dockerized {
|
|
server.Start()
|
|
return nil
|
|
}
|
|
isWindowsService, err := svc.IsWindowsService()
|
|
if err != nil {
|
|
return err
|
|
}
|
|
if !isWindowsService {
|
|
server.Start()
|
|
return nil
|
|
}
|
|
return svc.Run(serviceName, &winServiceWrapper{server})
|
|
}
|
|
|
|
// isWindowsService indicates if NATS is running as a Windows service.
|
|
func isWindowsService() bool {
|
|
if dockerized {
|
|
return false
|
|
}
|
|
isWindowsService, _ := svc.IsWindowsService()
|
|
return isWindowsService
|
|
}
|