141 lines
3.4 KiB
Go
141 lines
3.4 KiB
Go
// SiYuan - Refactor your thinking
|
|
// Copyright (c) 2020-present, b3log.org
|
|
//
|
|
// This program is free software: you can redistribute it and/or modify
|
|
// it under the terms of the GNU Affero General Public License as published by
|
|
// the Free Software Foundation, either version 3 of the License, or
|
|
// (at your option) any later version.
|
|
//
|
|
// This program is distributed in the hope that it will be useful,
|
|
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
// GNU Affero General Public License for more details.
|
|
//
|
|
// You should have received a copy of the GNU Affero General Public License
|
|
// along with this program. If not, see <https://www.gnu.org/licenses/>.
|
|
|
|
package model
|
|
|
|
import (
|
|
"os"
|
|
"os/signal"
|
|
"strconv"
|
|
"strings"
|
|
"syscall"
|
|
"time"
|
|
|
|
goPS "github.com/mitchellh/go-ps"
|
|
"github.com/siyuan-note/logging"
|
|
"github.com/siyuan-note/siyuan/kernel/util"
|
|
)
|
|
|
|
func HandleSignal() {
|
|
c := make(chan os.Signal)
|
|
signal.Notify(c, syscall.SIGINT, syscall.SIGQUIT, syscall.SIGTERM)
|
|
s := <-c
|
|
logging.LogInfof("received os signal [%s], exit kernel process now", s)
|
|
Close(false, true, 1)
|
|
}
|
|
|
|
var (
|
|
firstRunHookDesktopUIProcJob = true
|
|
)
|
|
|
|
func HookDesktopUIProcJob() {
|
|
if util.ContainerStd != util.Container || "dev" == util.Mode {
|
|
return
|
|
}
|
|
|
|
if firstRunHookDesktopUIProcJob {
|
|
// 等待启动结束再监控
|
|
time.Sleep(30 * time.Second)
|
|
firstRunHookDesktopUIProcJob = false
|
|
return
|
|
}
|
|
|
|
if 0 < util.CountSessions() {
|
|
// 如果存在活动的会话则说明 UI 进程还在运行
|
|
return
|
|
}
|
|
|
|
uiProcCount := getAttachedUIProcCount()
|
|
if 0 < uiProcCount {
|
|
return
|
|
}
|
|
|
|
logging.LogWarnf("no active UI proc, continue to check from attached ui processes after 15s")
|
|
time.Sleep(15 * time.Second)
|
|
uiProcCount = getAttachedUIProcCount()
|
|
if 0 < uiProcCount {
|
|
return
|
|
}
|
|
logging.LogWarnf("no active UI proc, continue to check from all processes after 15s")
|
|
time.Sleep(15 * time.Second)
|
|
uiProcCount = getUIProcCount()
|
|
if 0 < uiProcCount {
|
|
logging.LogInfof("active UI proc count [%d]", uiProcCount)
|
|
return
|
|
}
|
|
|
|
logging.LogWarnf("confirmed no active UI proc, exit kernel process now")
|
|
Close(false, true, 1)
|
|
}
|
|
|
|
var uiProcNames = []string{"siyuan", "electron"}
|
|
|
|
// getAttachedUIProcCount 获取已经附加的 UI 进程数。
|
|
func getAttachedUIProcCount() (ret int) {
|
|
util.UIProcessIDs.Range(func(uiProcIDArg, _ interface{}) bool {
|
|
uiProcID, err := strconv.Atoi(uiProcIDArg.(string))
|
|
if nil != err {
|
|
logging.LogErrorf("invalid UI proc ID [%s]: %s", uiProcIDArg, err)
|
|
return true
|
|
}
|
|
|
|
proc, err := goPS.FindProcess(uiProcID)
|
|
if nil != err {
|
|
logging.LogErrorf("find UI proc [%d] failed: %s", uiProcID, err)
|
|
return true
|
|
}
|
|
|
|
if nil == proc {
|
|
return true
|
|
}
|
|
|
|
procName := strings.ToLower(proc.Executable())
|
|
uiProcOk := false
|
|
for _, name := range uiProcNames {
|
|
if uiProcOk = strings.Contains(procName, name); uiProcOk {
|
|
break
|
|
}
|
|
}
|
|
if uiProcOk {
|
|
ret++
|
|
}
|
|
return true
|
|
})
|
|
return
|
|
}
|
|
|
|
// getUIProcCount 获取 UI 进程数。
|
|
func getUIProcCount() (ret int) {
|
|
pid := os.Getpid()
|
|
procs, _ := goPS.Processes()
|
|
for _, proc := range procs {
|
|
if proc.Pid() == pid {
|
|
continue
|
|
}
|
|
|
|
procName := strings.ToLower(proc.Executable())
|
|
uiProcOk := false
|
|
for _, name := range uiProcNames {
|
|
if uiProcOk = strings.Contains(procName, name); uiProcOk {
|
|
break
|
|
}
|
|
}
|
|
if uiProcOk {
|
|
ret++
|
|
}
|
|
}
|
|
return
|
|
}
|