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/*
* GodoOS - A lightweight cloud desktop
* Copyright (C) 2024 https://godoos.com
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 2.1 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 Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package store
import (
"fmt"
"log"
"net/http"
"os/exec"
"runtime"
"strconv"
"strings"
"time"
"github.com/gorilla/mux"
"github.com/shirou/gopsutil/process"
)
func KillByPid(pid int) error {
log.Println("Killing process with PID:", pid)
p, err := process.NewProcess(int32(pid))
if err != nil {
return fmt.Errorf("failed to create process object: %w", err)
}
// 杀死进程及其子进程
if err := p.Kill(); err != nil {
return fmt.Errorf("failed to kill process: %w", err)
}
return nil
}
func StopCmd(name string) error {
processesMu.Lock()
defer processesMu.Unlock()
cmd, ok := processes[name]
if !ok {
return fmt.Errorf("Process not found")
}
//processes[name].Running = false
if cmd.ProgressName != "" {
err := KillProcessByName(cmd.ProgressName)
if err != nil {
return fmt.Errorf("failed to kill process: %w", err)
}
} else {
err := KillByPid(cmd.Pid)
if err != nil {
return fmt.Errorf("failed to kill process: %w", err)
}
}
delete(processes, name)
return nil
}
func StopProcess(w http.ResponseWriter, r *http.Request) {
vars := mux.Vars(r)
name := vars["name"]
err := StopCmd(name)
if err != nil {
respondWithError(w, http.StatusInternalServerError, err.Error())
return
}
w.WriteHeader(http.StatusOK)
fmt.Fprintf(w, "Process %s stopped.", name)
}
func StopAllHandler() error {
processesMu.Lock()
defer processesMu.Unlock()
for name, cmd := range processes {
if err := KillByPid(cmd.Cmd.Process.Pid); err != nil {
return fmt.Errorf("failed to stop process %s: %v", name, err)
}
//processes[name].Running = false
delete(processes, name)
}
return nil
}
func StopAll(w http.ResponseWriter, r *http.Request) {
err := StopAllHandler()
if err != nil {
respondWithError(w, http.StatusInternalServerError, err.Error())
return
}
w.WriteHeader(http.StatusOK)
fmt.Fprintf(w, "All processes stopped.")
}
// Restart a specific process by stopping and then starting it.
func ReStartProcess(w http.ResponseWriter, r *http.Request) {
vars := mux.Vars(r)
name := vars["name"]
// Stop the process first
if _, ok := processes[name]; ok {
if err := StopCmd(name); err != nil {
// respondWithError(w, http.StatusInternalServerError, fmt.Sprintf("Failed to stop process %s before restart: %v", name, err))
// return
log.Printf("Failed to stop process %s before restart: %v", name, err)
}
// processesMu.Lock()
// defer processesMu.Unlock()
//processes[name].Running = false
} else {
respondWithError(w, http.StatusNotFound, fmt.Sprintf("Process %s not found to restart", name))
return
}
time.Sleep(time.Second * 2)
// Start the process again
err := ExecuteScript(name)
if err != nil {
respondWithError(w, http.StatusInternalServerError, fmt.Sprintf("Failed to restart process %s: %v", name, err))
return
}
w.WriteHeader(http.StatusOK)
fmt.Fprintf(w, "Process %s restarted.", name)
}
func killByPids(pids []int) error {
for _, pid := range pids {
if err := KillByPid(pid); err != nil {
return fmt.Errorf("failed to kill process with PID %d: %w", pid, err)
}
fmt.Printf("Killed process with PID %d\n", pid)
}
return nil
}
// KillProcessByName 终止所有与给定名称匹配的进程
func KillProcessByName(processName string) error {
switch runtime.GOOS {
case "windows":
// Windows 系统下的实现
pids, err := findPidsWindows(processName)
if err != nil {
return err
}
err = killByPids(pids)
if err != nil {
return err
}
default:
// Unix/Linux 系统下的实现
pids, err := findPidsUnix(processName)
if err != nil {
return err
}
err = killByPids(pids)
if err != nil {
return err
}
}
return nil
}
// findPidsUnix 在 Unix/Linux 系统下查找具有指定名称的进程的 PID
func findPidsUnix(name string) ([]int, error) {
cmd := exec.Command("pgrep", "-f", name)
output, err := cmd.Output()
if err != nil {
return nil, fmt.Errorf("failed to execute pgrep: %w", err)
}
pids := strings.Fields(string(output))
result := make([]int, len(pids))
for i, pidStr := range pids {
pid, err := strconv.Atoi(pidStr)
if err != nil {
return nil, fmt.Errorf("failed to convert PID to integer: %w", err)
}
result[i] = pid
}
return result, nil
}
// findPidsWindows 在 Windows 系统下查找具有指定名称的进程的 PID
func findPidsWindows(name string) ([]int, error) {
cmd := exec.Command("tasklist")
output, err := cmd.Output()
if err != nil {
return nil, fmt.Errorf("failed to execute tasklist: %w", err)
}
lines := strings.Split(string(output), "\r\n")
var pids []int
for _, line := range lines {
fields := strings.Fields(line)
if len(fields) >= 3 {
if strings.Contains(strings.ToLower(fields[0]), strings.ToLower(name)) {
pid, err := strconv.Atoi(fields[1])
if err != nil {
return nil, fmt.Errorf("failed to convert PID to integer: %w", err)
}
pids = append(pids, pid)
}
}
}
return pids, nil
}