mirror of
https://github.com/songquanpeng/message-pusher.git
synced 2024-05-03 08:45:04 +08:00
65 lines
1.5 KiB
Go
65 lines
1.5 KiB
Go
package common
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import (
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"flag"
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"fmt"
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"log"
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"os"
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"path/filepath"
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"strings"
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)
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var (
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PrintVersion = flag.Bool("version", false, "Print the version of the program and exits.")
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PrintHelp = flag.Bool("help", false, "Print the help message and exits.")
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Port = flag.Int("port", 3000, "Specify the listening port. Default is 3000.")
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LogDir = flag.String("log-dir", "", "Specify the directory for log files.")
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)
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func printHelp() {
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fmt.Println(fmt.Sprintf("Message Pusher %s - Your all in one message push system.", Version))
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fmt.Println("Copyright (C) 2023 JustSong. All rights reserved.")
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fmt.Println("GitHub: https://github.com/songquanpeng/message-pusher")
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fmt.Println("Usage: message-pusher [options]")
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fmt.Println("Options:")
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flag.CommandLine.VisitAll(func(f *flag.Flag) {
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name := fmt.Sprintf("-%s", f.Name)
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usage := strings.Replace(f.Usage, "\n", "\n ", -1)
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fmt.Printf(" -%-14s%s\n", name, usage)
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})
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os.Exit(0)
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}
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func init() {
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flag.Parse()
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if *PrintVersion {
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fmt.Println(Version)
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os.Exit(0)
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}
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if *PrintHelp {
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printHelp()
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}
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if os.Getenv("SESSION_SECRET") != "" {
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SessionSecret = os.Getenv("SESSION_SECRET")
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}
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if os.Getenv("SQLITE_PATH") != "" {
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SQLitePath = os.Getenv("SQLITE_PATH")
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}
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if *LogDir != "" {
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var err error
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*LogDir, err = filepath.Abs(*LogDir)
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if err != nil {
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log.Fatal(err)
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}
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if _, err := os.Stat(*LogDir); os.IsNotExist(err) {
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err = os.Mkdir(*LogDir, 0777)
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if err != nil {
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log.Fatal(err)
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}
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}
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}
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}
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