diff options
Diffstat (limited to 'shell.go')
| -rw-r--r-- | shell.go | 226 |
1 files changed, 0 insertions, 226 deletions
diff --git a/shell.go b/shell.go deleted file mode 100644 index 9ef2dfb..0000000 --- a/shell.go +++ /dev/null @@ -1,226 +0,0 @@ -package shell - -import ( - "io/ioutil" - "net/http" - "os" - "os/exec" - "strings" - "time" - - "go.wit.com/log" -) - -// TODO: look at https://github.com/go-cmd/cmd/issues/20 -// use go-cmd instead here? - -var callback func(interface{}, int) - -var shellStdout *os.File -var shellStderr *os.File - -var spewOn bool = false -var quiet bool = false - -// var msecDelay int = 20 // number of milliseconds to delay between reads with no data - -// var bytesBuffer bytes.Buffer -// var bytesSplice []byte - -func handleError(c interface{}, ret int) { - log.Log(INFO, "shell.Run() Returned", ret) - if callback != nil { - callback(c, ret) - } -} - -func init() { - callback = nil -} - -func InitCallback(f func(interface{}, int)) { - callback = f -} - -// this means it won't copy all the output to STDOUT -func Quiet(q bool) { - quiet = q -} - -func Script(cmds string) int { - // split on new lines (while we are at it, handle stupid windows text files - lines := strings.Split(strings.Replace(cmds, "\r\n", "\n", -1), "\n") - - for _, line := range lines { - line = Chomp(line) // this is like 'chomp' in perl - log.Log(INFO, "LINE:", line) - time.Sleep(1) - RunString(line) - } - return 0 -} - -func SpewOn() { - spewOn = true -} - -func SetDelayInMsec(msecs int) { - msecDelay = msecs -} - -func SetStdout(newout *os.File) { - shellStdout = newout -} - -func SetStderr(newerr *os.File) { - shellStderr = newerr -} - -func Unlink(filename string) bool { - if err := os.Remove(filename); err != nil { - return Exists(filename) - } else { - return Exists(filename) - } -} - -func RM(filename string) { - os.Remove(Path(filename)) -} - -func Daemon(cmdline string, timeout time.Duration) int { - for { - RunString(cmdline) - time.Sleep(timeout) - } -} - -// run something and never return from it -// TODO: pass STDOUT, STDERR, STDIN correctly -// TODO: figure out how to nohup the process and exit -func Exec(cmdline string) { - log.Log(INFO, "shell.Run() START "+cmdline) - - cmd := Chomp(cmdline) // this is like 'chomp' in perl - cmdArgs := strings.Fields(cmd) - - process := exec.Command(cmdArgs[0], cmdArgs[1:len(cmdArgs)]...) - process.Stderr = os.Stderr - process.Stdin = os.Stdin - process.Stdout = os.Stdout - process.Start() - err := process.Wait() - log.Log(INFO, "shell.Exec() err =", err) - os.Exit(0) -} - -// run interactively. output from the cmd is in real time -// shows all the output. For example, 'ping -n localhost' -// shows the output like you would expect to see -func NewRun(workingpath string, cmd []string) error { - log.Log(INFO, "NewRun() ", cmd) - - process := exec.Command(cmd[0], cmd[1:len(cmd)]...) - // Set the working directory - process.Dir = workingpath - process.Stderr = os.Stderr - process.Stdin = os.Stdin - process.Stdout = os.Stdout - process.Start() - err := process.Wait() - log.Log(INFO, "shell.Exec() err =", err) - return err -} - -// return true if the filename exists (cross-platform) -func Exists(filename string) bool { - _, err := os.Stat(Path(filename)) - if os.IsNotExist(err) { - return false - } - return true -} - -// makes the directory -func Mkdir(dir string) bool { - if Dir(dir) { - // already a dir - return true - } - if Exists(dir) { - // something else is there - return false - } - Run([]string{"mkdir", "-p", dir}) - return true -} - -func IsDir(dirname string) bool { - return Dir(dirname) -} - -// return true if the filename exists (cross-platform) -func Dir(dirname string) bool { - info, err := os.Stat(Path(dirname)) - if os.IsNotExist(err) { - return false - } - return info.IsDir() -} - -// Cat a file into a string -func Cat(filename string) string { - buffer, err := ioutil.ReadFile(Path(filename)) - // log.Log(INFO, "buffer =", string(buffer)) - if err != nil { - return "" - } - return Chomp(buffer) -} - -/* -// run interactively. output from the cmd is in real time -// shows all the output. For example, 'ping -n localhost' -// shows the output like you would expect to see -func RunPathHttpOut(workingpath string, cmd []string, w http.ResponseWriter, r *http.Request) error { - log.Log(INFO, "NewRun() ", cmd) - - process := exec.Command(cmd[0], cmd[1:len(cmd)]...) - // Set the working directory - process.Dir = workingpath - process.Stderr = os.Stderr - process.Stdin = os.Stdin - process.Stdout = os.Stdout - process.Start() - err := process.Wait() - log.Log(INFO, "shell.Exec() err =", err) - return err -} -*/ - -func RunPathHttpOut(path string, cmd []string, w http.ResponseWriter, r *http.Request) error { - log.Warn("Run(): ", cmd) - - process := exec.Command(cmd[0], cmd[1:len(cmd)]...) - process.Dir = path - process.Stderr = os.Stderr - process.Stdin = r.Body - process.Stdout = w - process.Start() - err := process.Wait() - log.Warn("shell.Exec() err =", err) - return err -} - -func RunHttpOut(cmd []string, w http.ResponseWriter, r *http.Request) error { - log.Warn("NewRun() ", cmd) - - process := exec.Command(cmd[0], cmd[1:len(cmd)]...) - process.Stderr = os.Stderr - process.Stdin = r.Body - process.Stdout = w - process.Start() - err := process.Wait() - log.Warn("shell.Exec() err =", err) - return err -} |