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p2p/internal/logic/system/update.go
2025-10-30 11:13:47 +08:00

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package system
import (
"context"
"fmt"
"log"
"os"
"os/exec"
"path"
"path/filepath"
"runtime"
"time"
"github.com/ayflying/p2p/internal/service"
"github.com/gogf/gf/v2/encoding/gcompress"
"github.com/gogf/gf/v2/frame/g"
"github.com/gogf/gf/v2/os/gcmd"
)
func (s *sSystem) Update(ctx context.Context) (err error) {
//拼接操作系统和架构格式OS_ARCH
platform := fmt.Sprintf("%s_%s", runtime.GOOS, runtime.GOARCH)
runFile := gcmd.GetArg(0).String()
oldFile, err := service.System().RenameRunningFile(runFile)
g.Log().Debugf(ctx, "执行文件改名为%v", oldFile)
gz := path.Join("download", platform+".gz")
err = gcompress.UnGzipFile(gz, runFile)
go func() {
log.Println("5秒后开始重启...")
time.Sleep(5 * time.Second)
if err = service.System().RestartSelf(); err != nil {
log.Fatalf("重启失败:%v", err)
}
}()
return
}
// RestartSelf 实现 Windows 平台下的程序自重启
func (s *sSystem) RestartSelf() error {
// 1. 获取当前程序的绝对路径
exePath, err := os.Executable()
if err != nil {
return err
}
// 处理路径中的符号链接(确保路径正确)
exePath, err = filepath.EvalSymlinks(exePath)
if err != nil {
return err
}
// 2. 获取命令行参数os.Args[0] 是程序名,实际参数从 os.Args[1:] 开始)
args := os.Args[1:]
// 3. 构建新进程命令(路径为当前程序,参数为原参数)
cmd := exec.Command(exePath, args...)
// 设置新进程的工作目录与当前进程一致
cmd.Dir, err = os.Getwd()
if err != nil {
return err
}
// 新进程的输出继承当前进程的标准输出(可选,根据需求调整)
cmd.Stdout = os.Stdout
cmd.Stderr = os.Stderr
cmd.Stdin = os.Stdin
// 4. 启动新进程非阻塞Start() 后立即返回)
if err := cmd.Start(); err != nil {
return err
}
// 5. 新进程启动成功后,退出当前进程
os.Exit(0)
return nil // 理论上不会执行到这里
}
// RenameRunningFile 重命名正在运行的程序文件(如 message.exe → message.exe~
func (s *sSystem) RenameRunningFile(exePath string) (string, error) {
// 目标备份文件名message.exe → message.exe~
backupPath := exePath + "~"
// 先删除已存在的备份文件(若有)
if _, err := os.Stat(backupPath); err == nil {
if err := os.Remove(backupPath); err != nil {
return "", fmt.Errorf("删除旧备份文件失败: %v", err)
}
}
// 重命名正在运行的 exe 文件
// 关键Windows 允许对锁定的文件执行重命名操作
if err := os.Rename(exePath, backupPath); err != nil {
return "", fmt.Errorf("重命名运行中文件失败: %v", err)
}
return backupPath, nil
}