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sc.go
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sc.go
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package main
import (
"log"
"net/http"
_ "github.com/mattn/go-sqlite3"
"github.com/julienschmidt/httprouter"
"strconv"
"github.com/tingold/squirrelchopper/tiles"
"flag"
"github.com/tingold/squirrelchopper/handler"
"github.com/tingold/squirrelchopper/utils"
)
var tm *tiles.TileManager
var th *handler.Tilehandler
func main() {
//parse out settings
settings := utils.GetSettings()
//print help message if needed
if settings.GetHelp() {
flag.PrintDefaults()
return
}
logger := utils.GetLogging()
logger.Debug("Setting up tile manager with data from %v", settings.GetDBs())
//initialize the tile manager with one or mone databases
tm = tiles.NewTileManager(settings.GetDBs(), true)
th = new(handler.Tilehandler)
th.Manager = *tm
//create the HTTP Router -- the tiles go to the tilehandler which uses the tile manager to access the DB
//and potentially cache
router := httprouter.New()
router.GET("/tiles/:z/:x/:y", th.Handle)
//any non tile request will default to serving files
//files are NOT actually files but stored in GO code using
// https://github.com/elazarl/go-bindata-assetfs
fs := http.FileServer(assetFS())
router.NotFound = fs
//create server
srv := &http.Server{
Addr: ":"+strconv.Itoa(settings.GetPort()),
Handler: router,
}
logger.Info("Starting server on port %v",settings.GetPort())
if(settings.GetSsl()) {
logger.Info("Using certificate %v and key %v", settings.GetSslCert(), settings.GetSslKey())
//this creates the SSL server which we really need to use server push
error := srv.ListenAndServeTLS(settings.GetSslCert(),settings.GetSslKey())
if(error != nil){
log.Fatalf("Failed to start server: %v",error)
}
} else {
error := srv.ListenAndServe()
if(error != nil){
log.Fatalf("Failed to start server: %v",error)
}
}
logger.Info("Exiting")
}
func corsHandler(w http.ResponseWriter, r *http.Request, ps httprouter.Params) {
w.Header().Set("Access-Control-Allow-Origin", "*")
}
func checkErr(err error) {
if err != nil {
log.Fatal(err)
}
}