rogueserver/pokerogue-server.go

90 lines
1.9 KiB
Go

package main
import (
"flag"
"log"
"net"
"net/http"
"os"
"os/signal"
"sync"
"syscall"
"github.com/pagefaultgames/pokerogue-server/api"
"github.com/pagefaultgames/pokerogue-server/db"
)
func main() {
// flag stuff
debug := flag.Bool("debug", false, "debug mode")
proto := flag.String("proto", "tcp", "protocol for api to use (tcp, unix)")
addr := flag.String("addr", "0.0.0.0", "network address for api to listen on")
dbuser := flag.String("dbuser", "pokerogue", "database username")
dbpass := flag.String("dbpass", "", "database password")
dbproto := flag.String("dbproto", "tcp", "protocol for database connection")
dbaddr := flag.String("dbaddr", "localhost", "database address")
dbname := flag.String("dbname", "pokeroguedb", "database name")
flag.Parse()
// get database connection
err := db.Init(*dbuser, *dbpass, *dbproto, *dbaddr, *dbname)
if err != nil {
log.Fatalf("failed to initialize database: %s", err)
}
// create listener
listener, err := createListener(*proto, *addr)
if err != nil {
log.Fatalf("failed to create net listener: %s", err)
}
// create exit handler
var exit sync.RWMutex
createExitHandler(&exit)
// init api
api.Init()
// start web server
err = http.Serve(listener, &api.Server{Debug: *debug, Exit: &exit})
if err != nil {
log.Fatalf("failed to create http server or server errored: %s", err)
}
}
func createListener(proto, addr string) (net.Listener, error) {
if proto == "unix" {
os.Remove(addr)
}
listener, err := net.Listen(proto, addr)
if err != nil {
return nil, err
}
if proto == "unix" {
os.Chmod(addr, 0777)
}
return listener, nil
}
func createExitHandler(mtx *sync.RWMutex) {
s := make(chan os.Signal, 1)
signal.Notify(s, syscall.SIGINT, syscall.SIGTERM)
go func() {
// wait for exit signal of some kind
<-s
// block new requests and wait for existing ones to finish
mtx.Lock()
// bail
os.Exit(0)
}()
}