func init() {
mapnikRenderer, _ = render.NewMapnik()
if mapnikRenderer != nil {
wd, _ := os.Getwd()
mapnikRenderer.RegisterFonts(wd)
}
mapserverRenderer, _ = render.NewMapServer()
}
func main() {
if os.Getenv("GOMAXPROCS") == "" {
runtime.GOMAXPROCS(runtime.NumCPU())
}
var listenAddr = flag.String("listen", "localhost:7070", "listen address")
var configFile = flag.String("config", DefaultConfigFile, "config")
var builderType = flag.String("builder", "mapnik", "builder type {mapnik,mapserver}")
var version = flag.Bool("version", false, "print version and exit")
flag.Parse()
if *version {
fmt.Println(magnacarto.Version)
os.Exit(0)
}
conf, err := config.Load(*configFile)
if *configFile == DefaultConfigFile && os.IsNotExist(err) {
// ignore error for missing default config
} else if err != nil {
log.Fatal(err)
}
builderCache := builder.NewCache(conf.Locator)
if conf.OutDir != "" {
if err := os.MkdirAll(conf.OutDir, 0755); err != nil && !os.IsExist(err) {
log.Fatal("unable to create outdir: ", err)
}
builderCache.SetDestination(conf.OutDir)
}
c := make(chan os.Signal, 1)
signal.Notify(c, os.Interrupt)
go func() {
for _ = range c {
builderCache.ClearAll()
os.Exit(1)
}
}()
r := mux.NewRouter()
handler := magnaserv{config: conf, builderCache: builderCache}
handler.mapnikMaker = mapnikBuilder.Maker2
mapnikRenderer, err := render.NewMapnik()
if err != nil {
log.Print("Mapnik plugin: ", err)
} else {
log.Print("Mapnik plugin available")
for _, fontDir := range conf.Mapnik.FontDirs {
mapnikRenderer.RegisterFonts(fontDir)
}
if is3, _ := mapnikRenderer.Is3(); is3 {
handler.mapnikMaker = mapnikBuilder.Maker3
}
handler.mapnikRenderer = mapnikRenderer
}
mapserverRenderer, err := render.NewMapServer()
if err != nil {
log.Print("MapServer plugin: ", err)
} else {
log.Print("MapServer plugin available")
handler.mapserverRenderer = mapserverRenderer
}
switch *builderType {
case "mapnik", "mapnik2", "mapnik3":
handler.defaultMaker = handler.mapnikMaker
case "mapserver":
handler.defaultMaker = mapserver.Maker
default:
log.Fatal("unknown -builder ", *builderType)
}
v1 := r.PathPrefix("/api/v1").Subrouter()
v1.HandleFunc("/map", handler.render)
v1.HandleFunc("/projects/{path:.*?}.mml", handler.mml)
v1.HandleFunc("/projects/{path:.*?}.mcp", handler.mcp)
v1.HandleFunc("/projects", handler.projects)
v1.Handle("/changes", websocket.Handler(handler.changes))
appDir := findAppDir()
r.Handle("/magnacarto/{path:.*}", http.StripPrefix("/magnacarto/", http.FileServer(http.Dir(appDir))))
r.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
http.Redirect(w, r, "/magnacarto/", 302)
})
log.Printf("listening on http://%s", *listenAddr)
log.Fatal(http.ListenAndServe(*listenAddr, handlers.LoggingHandler(os.Stdout, r)))
}