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82 lines
1.5 KiB
Go
82 lines
1.5 KiB
Go
package main
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import (
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"context"
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_ "embed"
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"flag"
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"fmt"
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"log"
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"os"
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"os/signal"
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"orel.li/modularium/internal/index"
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"orel.li/modularium/internal/ref"
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)
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var log_error = log.New(os.Stderr, "", 0)
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var log_info = log.New(os.Stdout, "", 0)
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func bail(status int, t string, args ...interface{}) {
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if status != 0 {
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shutdown(fmt.Errorf(t, args...))
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} else {
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log_info.Printf(t, args...)
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shutdown(nil)
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}
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}
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//go:embed usage
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var usage string
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func sigCancel(ctx context.Context) context.Context {
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c := make(chan os.Signal, 1)
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signal.Notify(c, os.Interrupt)
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ctx, cancel := context.WithCancel(ctx)
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onShutdown(func() error { cancel(); return nil })
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go func() {
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<-c
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shutdown(nil)
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}()
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return ctx
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}
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func serve(args []string) {
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path := "./modularium.sock"
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indexPath := pathArg{path: "./modules-index.json"}
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serveFlags := flag.NewFlagSet("serve", flag.ExitOnError)
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serveFlags.StringVar(&path, "l", path, "path for a unix domain socket to listen on")
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serveFlags.Var(&indexPath, "index", "an index config")
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serveFlags.Parse(args)
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idx, err := index.Load(indexPath.path)
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if err != nil {
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shutdown(err)
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}
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log_info.Printf("index: %v", idx)
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h := handler{
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path: ref.New(&path),
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index: ref.New(&indexPath),
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}
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if err := h.run(); err != nil {
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bail(1, err.Error())
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}
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}
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func main() {
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sigCancel(context.Background())
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root := flag.NewFlagSet("", flag.ExitOnError)
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root.Parse(os.Args[1:])
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switch root.Arg(0) {
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case "serve":
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serve(root.Args()[1:])
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case "zip":
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zipcmd(root.Args()[1:])
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default:
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bail(0, usage)
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}
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}
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