/
main.go
100 lines (83 loc) · 2.25 KB
/
main.go
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package main
import (
"flag"
"fmt"
"log"
"net/http"
"os"
"time"
"github.com/karabatov/ddpub/config"
"github.com/karabatov/ddpub/notes"
)
const (
usage = `ddpub is a tool to serve one set of notes as many websites.
Check config:
ddpub check --config <dir> --notes <dir>
Serve notes:
ddpub serve --config <dir> --notes <dir> --port <port>`
)
var (
configDir string
notesDir string
port int
)
func main() {
startTime := time.Now()
if len(os.Args) < 3 {
fmt.Println(usage)
os.Exit(1)
}
const (
configFlag = "config"
configUsage = "Directory that has `config.toml`"
notesFlag = "notes"
notesUsage = "Directory that stores notes"
)
switch os.Args[1] {
case "check":
check := flag.NewFlagSet("check", flag.ExitOnError)
check.Usage = func() { fmt.Println(usage) }
check.StringVar(&configDir, configFlag, ".", configUsage)
check.StringVar(¬esDir, notesFlag, ".", notesUsage)
check.Parse(os.Args[2:])
case "serve":
serve := flag.NewFlagSet("serve", flag.ExitOnError)
serve.Usage = func() { fmt.Println(usage) }
serve.StringVar(&configDir, configFlag, ".", configUsage)
serve.StringVar(¬esDir, notesFlag, ".", notesUsage)
serve.IntVar(&port, "port", 44234, "Port to serve notes")
serve.Parse(os.Args[2:])
default:
fmt.Println(usage)
os.Exit(1)
}
cfg, err := config.NewWebsite(configDir)
if err != nil {
log.Fatalf("Couldn't load website config: %v\n", err)
}
store, err := notes.NewMultiStore(cfg, notesDir)
if err != nil {
log.Fatalf("Couldn't load notes: %v\n", err)
}
router, err := notes.NewMultiRouter(cfg, store)
if err != nil {
log.Fatalf("Could not create router: %s", err)
}
// At this point the surface check is complete! There may be more
// errors like duplicate tags or bad URLs, but these will be caught later.
log.Printf("Config OK. Startup took %v.", time.Since(startTime))
// If we were only checking the config, exit now.
if os.Args[1] == "check" {
os.Exit(0)
}
// Serve notes.
log.Println("Starting server...")
log.Printf("In your browser, open: http://localhost:%d", port)
srv := &http.Server{
Addr: fmt.Sprintf(":%d", port),
Handler: router.ServeMux(),
ReadTimeout: 30 * time.Second,
WriteTimeout: 30 * time.Second,
}
log.Fatal(srv.ListenAndServe())
}