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package main
import (
"errors"
"fmt"
log "github.com/3fps/log2go"
"github.com/3fps/shawty/data"
"github.com/3fps/shawty/utils"
"github.com/3fps/shawty/web"
"github.com/gorilla/mux"
"net"
"net/http"
"net/http/fcgi"
"os"
"runtime"
"strings"
)
func main() {
runtime.GOMAXPROCS(runtime.NumCPU())
// read configurations
confKeys := []string{
"SHAWTY_PORT", "SHAWTY_DB_TYPE", "SHAWTY_DB", "SHAWTY_DOMAIN",
"SHAWTY_MODE", "SHAWTY_LPM", "SHAWTY_LOG_DIR",
}
config := make(map[string]string)
for _, k := range confKeys {
config[k] = os.Getenv(k)
}
// setup logger
log.SetDir(config["SHAWTY_LOG_DIR"])
// setup data
random := utils.NewBestRand()
dbType := strings.ToLower(config["SHAWTY_DB_TYPE"])
var shawties data.Shawties
var err error
if dbType == "pg" || dbType == "postgres" || dbType == "postgresql" {
shawties, err = data.NewPgSh(random, config["SHAWTY_DB"])
} else if dbType == "mysql" {
shawties, err = data.NewMySh(random, config["SHAWTY_DB"])
} else {
err = errors.New("Unknown database type. Please check $SHAWTY_DB_TYPE")
}
if err != nil {
log.Error("Cannot create data source")
log.Error(err)
return
}
defer shawties.Close()
// register routes
home := web.NewHomeController(config)
shawtyjs := web.NewShawtyJSController(config, shawties)
shortID := web.NewShortIDController(config, shawties)
// setup HTTP server
router := mux.NewRouter()
router.PathPrefix("/static/").Handler(http.StripPrefix("/static/", http.FileServer(http.Dir("static/"))))
router.Handle("/", home)
router.Handle("/shawty.js", shawtyjs)
router.Handle("/{shortID:[A-Za-z0-9]+}", shortID)
var port = config["SHAWTY_PORT"]
if port == "" {
port = "80"
}
l, err := net.Listen("tcp", "0.0.0.0:"+port)
if err != nil {
log.Errorf("Cannot listen at %s", port)
fmt.Println(err)
return
}
defer l.Close()
log.Infof("Listening at %s", port)
runMode := strings.ToLower(config["SHAWTY_MODE"])
switch runMode {
case "fcgi":
log.Info("Serving FCGI mode")
fcgi.Serve(l, router)
default:
log.Info("Serving HTTP mode")
http.Serve(l, router)
}
}