package icsutil import ( "fmt" "io/ioutil" "os" "os/signal" "strings" "syscall" "gitlab.com/ics_cinnamon/voiceStatistics/icsconf" "gitlab.com/ics_cinnamon/voiceStatistics/icserror" ) func Deamonize() (int, error) { pid, _, sysErr := syscall.RawSyscall(syscall.SYS_FORK, 0, 0, 0) if sysErr != 0 { //fmt.Println("fail to call fork") return -1, fmt.Errorf("fail to call fork - %d", sysErr) } if pid > 0 { //parent //return int(pid), nil //fmt.Printf("Parent PID %d\n", int(pid)) os.Exit(0) } else if int(pid) < 0 { //fmt.Println("child id is incorrect") return int(pid), fmt.Errorf("child id is incorrect") } /* else if int(pid) == 0 { //child p := os.Getpid() fmt.Printf("Child Process PID %d\n", p) }*/ //p1 := os.Getpid() //fmt.Printf("Child Process PID %d\n", p1) ret, err := syscall.Setsid() if err != nil || ret < 0 { //fmt.Println("fail to call setsid", pid, err) return int(pid), fmt.Errorf("fail to call setsid") } signal.Ignore(syscall.SIGHUP) syscall.Umask(0) conf := icsconf.GetIcsConfig() homeDir := conf.GetHomeDir() cmdline := fmt.Sprintf("%s/bin/voicegateway", homeDir) attr := &os.ProcAttr{Env: os.Environ()} p, perr := os.StartProcess(cmdline, []string{""}, attr) if perr != nil { return -1, perr } if werr := WritePID(p.Pid); werr != nil { fmt.Println("Error Write PID :", werr) } return p.Pid, nil } func CloseSTDIO() { for iter := 0; iter < 3; iter++ { syscall.Close(iter) } } func WritePID(pid int) *icserror.IcsError { isStop := false var homeDir string for _, e := range os.Environ() { s := strings.SplitN(e, "=", 2) if strings.Compare(s[0], "ICSVS_ROOT") == 0 { homeDir = s[1] //service.SetHomeDir(s[1]) isStop = true break } } if isStop { pidFilename := fmt.Sprintf("%s/voiceStatistics.pid", homeDir) spid := fmt.Sprintf("%d", pid) ioutil.WriteFile(pidFilename, []byte(spid), 0666) } else { return icserror.ICSERRNotFoundHome } return nil } func CheckPID() bool { isStop := false var homeDir string for _, e := range os.Environ() { s := strings.SplitN(e, "=", 2) if strings.Compare(s[0], "ICSVS_ROOT") == 0 { homeDir = s[1] //service.SetHomeDir(s[1]) isStop = true break } } if isStop { pidFilename := fmt.Sprintf("%s/voicegateway.pid", homeDir) fd, err := os.Open(pidFilename) if err != nil { fd.Close() return false } pid := make([]byte, 12) rlen, rerr := fd.Read(pid) if rerr != nil { return false } fd.Close() cmdline := fmt.Sprintf("/proc/%s/exe", string(pid[:rlen])) //cmdline := fmt.Sprintf("/proc/%s/cmdline", string(pid[:rlen])) /* cfd, cerr := os.Open(cmdline) if cerr != nil { cfd.Close() return false } pname := make([]byte, 128) rlen, rerr = cfd.Read(pname) if rerr != nil { return false } cfd.Close() */ pname, rlerr := os.Readlink(cmdline) if rlerr != nil { return false } //fmt.Println(pname) if strings.Contains(pname, "voicegateway") { return true } } return false } // Process Check const PNAMEC = "voicestatCheck" func DeamonizeProcessCheck() (int, error) { pid, _, sysErr := syscall.RawSyscall(syscall.SYS_FORK, 0, 0, 0) if sysErr != 0 { //fmt.Println("fail to call fork") return -1, fmt.Errorf("fail to call fork - %d", sysErr) } if pid > 0 { //parent //return int(pid), nil //fmt.Printf("Child Process Created %d\n", int(pid)) os.Exit(0) } else if int(pid) < 0 { //fmt.Println("child id is incorrect") return int(pid), fmt.Errorf("child id is incorrect") } /* else if int(pid) == 0 { //child p := os.Getpid() fmt.Printf("Child Process PID %d\n", p) }*/ ret, err := syscall.Setsid() if err != nil || ret < 0 { //fmt.Println("fail to call setsid", pid, err) return int(pid), fmt.Errorf("Fail to call setsid") } signal.Ignore(syscall.SIGHUP) syscall.Umask(0) conf := icsconf.GetIcsConfig() homeDir := conf.GetHomeDir() cmdline := fmt.Sprintf("%s/bin/%s", homeDir, PNAMEC) attr := &os.ProcAttr{Env: os.Environ()} p, perr := os.StartProcess(cmdline, []string{""}, attr) if perr != nil { return -1, perr } if werr := PWritePID(p.Pid); werr != nil { fmt.Println("Error PWrite PID :", werr) } return p.Pid, nil } func PWritePID(pid int) *icserror.IcsError { isStop := false var homeDir string for _, e := range os.Environ() { s := strings.SplitN(e, "=", 2) if strings.Compare(s[0], "ICSVS_ROOT") == 0 { homeDir = s[1] //service.SetHomeDir(s[1]) isStop = true break } } if isStop { pidFilename := fmt.Sprintf("%s/voicegatewayCheck.pid", homeDir) spid := fmt.Sprintf("%d", pid) ioutil.WriteFile(pidFilename, []byte(spid), 0666) } else { return icserror.ICSERRNotFoundHome } return nil } func PCheckPID() bool { isStop := false var homeDir string for _, e := range os.Environ() { s := strings.SplitN(e, "=", 2) if strings.Compare(s[0], "ICSVS_ROOT") == 0 { homeDir = s[1] //service.SetHomeDir(s[1]) isStop = true break } } if isStop { pidFilename := fmt.Sprintf("%s/voicegatewayP.pid", homeDir) fd, err := os.Open(pidFilename) if err != nil { fd.Close() return false } pid := make([]byte, 12) rlen, rerr := fd.Read(pid) if rerr != nil { return false } fd.Close() cmdline := fmt.Sprintf("/proc/%s/exe", string(pid[:rlen])) //cmdline := fmt.Sprintf("/proc/%s/cmdline", string(pid[:rlen])) /* cfd, cerr := os.Open(cmdline) if cerr != nil { cfd.Close() return false } pname := make([]byte, 128) rlen, rerr = cfd.Read(pname) if rerr != nil { return false } cfd.Close() */ pname, rlerr := os.Readlink(cmdline) if rlerr != nil { return false } fmt.Println(pname) if strings.Contains(pname, PNAMEC) { return true } } return false }