/**
* High-level abstraction for running processes
* (called from cli.Route())
*/
func Run() {
if _, err := os.Stat(Procfile); os.IsNotExist(err) {
fmt.Println(red, "error:", reset, Procfile, "doesn't exist")
os.Exit(1)
}
helpers.ApplicationRebuild() // sync
// starting up tcp server, needed for hotswap
go LaunchTcpServer()
list := ProcessList{processes: listProcesses()}
list.spawnAll()
}
func (t *Server) RelaunchProcess(args *Args, reply *int) error {
if RelaunchProcessFlag {
RelaunchProcessFlag = false
appProc := LaunchedProcesses[applicationProcessCode]
// backupig application's process info
processBackup := BackupProcess(appProc)
// killing old app's process
err := appProc.Process.Kill()
if err != nil {
log.Fatal("cli.RelaunchProcess()#54:", err) /////////// debug
}
appProc.Process.Kill()
// rebuilding application
helpers.ApplicationRebuild() // sync
// Relaunch application
newApplicationProc := exec.Command(processBackup.Path, processBackup.Args...)
// streaming output from new app instance
stdOut, _ := newApplicationProc.StdoutPipe()
stdErr, _ := newApplicationProc.StderrPipe()
go StreamOutput(stdOut, stdErr, applicationProcessCode)
go newApplicationProc.Start()
// updating `LaunchedProcesses`
LaunchedProcesses[applicationProcessCode] = newApplicationProc
RelaunchProcessFlag = true
}
return nil
}