oko-server/main.go
zegkljan 1cf44e3bfc
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build info
* API endpoint
* dockerfile adds commit hash and build time during build
2022-02-20 00:20:19 +01:00

70 lines
2.0 KiB
Go

package main
import (
"context"
"flag"
"fmt"
"os"
"os/signal"
"syscall"
"time"
"cernobor.cz/oko-server/models"
"cernobor.cz/oko-server/server"
"github.com/sirupsen/logrus"
)
var (
sha1ver string
buildTime string
)
func main() {
tilepackFileArg := flag.String("tilepack", "", "File that will be sent to clients when they request a tile pack, also used to serve tiles in online mode. Required.")
portArg := flag.Int("port", 8080, "Port where the server will listen to. Default is 8080.")
dbFileArg := flag.String("dbfile", "./data.sqlite3", "File that holds the server's sqlite3 database. Will be created if it does not exist. Default is \"./data.sqlite3\".")
apkFileArg := flag.String("apk", "", "APK file with the client app. If not specified, no APK will be available (404).")
reinitDBArg := flag.Bool("reinit-db", false, "Reinitializes the DB, which means all the tables will be recreated, deleting all data.")
minZoomArg := flag.Int("min-zoom", 1, "Minimum zoom that will be sent to clients.")
defaultCenterLatArg := flag.Float64("default-center-lat", 0, "Latitude of the default map center.")
defaultCenterLngArg := flag.Float64("default-center-lng", 0, "Longitude of the default map center.")
flag.Parse()
if *tilepackFileArg == "" {
fmt.Fprintln(os.Stderr, "Tile pack not specified.")
flag.Usage()
os.Exit(1)
}
t, err := time.Parse(time.RFC3339, buildTime)
if err != nil {
t = time.Now()
}
s := server.New(server.ServerConfig{
VersionHash: sha1ver,
BuildTime: &t,
Port: *portArg,
DbPath: *dbFileArg,
TilepackPath: *tilepackFileArg,
ApkPath: *apkFileArg,
ReinitDB: *reinitDBArg,
MinZoom: *minZoomArg,
DefaultCenter: models.Coords{
Lat: *defaultCenterLatArg,
Lng: *defaultCenterLngArg,
},
})
sigs := make(chan os.Signal, 1)
signal.Notify(sigs, syscall.SIGTERM, syscall.SIGINT, syscall.SIGQUIT)
ctx, cancel := context.WithCancel(context.Background())
go func() {
sig := <-sigs
logrus.Warnf("Received signal: %s", sig)
cancel()
}()
s.Run(ctx)
}