|
| 1 | +package Escort |
| 2 | + |
| 3 | +import ( |
| 4 | + "os" |
| 5 | + "os/exec" |
| 6 | + "time" |
| 7 | + |
| 8 | + "log" |
| 9 | + |
| 10 | + "github.com/2dust/AndroidLibV2rayLite/CoreI" |
| 11 | +) |
| 12 | + |
| 13 | +func (v *Escorting) EscortRun(proc string, pt []string, additionalEnv string, sendFd func() int) { |
| 14 | + log.Println(proc, pt) |
| 15 | + count := 0 |
| 16 | + for count <= 42 { |
| 17 | + cmd := exec.Command(proc, pt...) |
| 18 | + cmd.Stdout = os.Stdout |
| 19 | + cmd.Stderr = os.Stderr |
| 20 | + |
| 21 | + if len(additionalEnv) > 0 { |
| 22 | + //additionalEnv := "FOO=bar" |
| 23 | + newEnv := append(os.Environ(), additionalEnv) |
| 24 | + cmd.Env = newEnv |
| 25 | + } |
| 26 | + |
| 27 | + if err := cmd.Start(); err != nil { |
| 28 | + log.Println("EscortRun cmd.Start err", err) |
| 29 | + goto CMDERROR |
| 30 | + } |
| 31 | + |
| 32 | + if v.escortProcess == nil { |
| 33 | + log.Println("EscortRun v.escortProcess nil") |
| 34 | + break |
| 35 | + } |
| 36 | + |
| 37 | + *v.escortProcess = append(*v.escortProcess, cmd.Process) |
| 38 | + log.Println("EscortRun Waiting....") |
| 39 | + |
| 40 | + if count > 0 { |
| 41 | + go func() { |
| 42 | + time.Sleep(time.Second) |
| 43 | + sendFd() |
| 44 | + }() |
| 45 | + } |
| 46 | + |
| 47 | + if err := cmd.Wait(); err != nil { |
| 48 | + log.Println("EscortRun cmd.Wait err:", err) |
| 49 | + } |
| 50 | + |
| 51 | + CMDERROR: |
| 52 | + if v.Status.IsRunning { |
| 53 | + log.Println("EscortRun Unexpected Exit, Restart now.") |
| 54 | + count++ |
| 55 | + } else { |
| 56 | + log.Println("EscortRun Exit") |
| 57 | + break |
| 58 | + } |
| 59 | + } |
| 60 | +} |
| 61 | + |
| 62 | +func (v *Escorting) EscortingUp() { |
| 63 | + if v.escortProcess != nil { |
| 64 | + return |
| 65 | + } |
| 66 | + v.escortProcess = new([](*os.Process)) |
| 67 | +} |
| 68 | + |
| 69 | +func (v *Escorting) EscortingDown() { |
| 70 | + if v.escortProcess == nil { |
| 71 | + return |
| 72 | + } |
| 73 | + |
| 74 | + log.Println("EscortingDown() Killing all escorted process ") |
| 75 | + for _, pr := range *v.escortProcess { |
| 76 | + pr.Kill() |
| 77 | + if _, err := pr.Wait(); err != nil { |
| 78 | + log.Println("EscortingDown pr.Wait err:", err) |
| 79 | + } |
| 80 | + } |
| 81 | + v.escortProcess = nil |
| 82 | +} |
| 83 | + |
| 84 | +type Escorting struct { |
| 85 | + escortProcess *[](*os.Process) |
| 86 | + Status *CoreI.Status |
| 87 | +} |
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