113 lines
2.4 KiB
Go
113 lines
2.4 KiB
Go
// Copyright 2014, 2015 by Sascha L. Teichmann
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// Use of this source code is governed by the MIT license
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// that can be found in the LICENSE file.
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package main
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import (
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"flag"
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"fmt"
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"log"
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"net"
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"net/http"
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"bitbucket.org/s_l_teichmann/mtsatellite/common"
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"github.com/gorilla/mux"
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)
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func main() {
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var (
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cfg config
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cfgFile string
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version bool
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)
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flag.StringVar(&cfgFile, "config", "", "configuration file")
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flag.BoolVar(&version, "version", false, "Print version and exit.")
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cfg.bindFlags()
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flag.Parse()
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if version {
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common.PrintVersionAndExit()
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}
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if cfgFile != "" {
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if err := cfg.load(cfgFile); err != nil {
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log.Fatalf("error: %v\n", err)
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}
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}
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bg := common.ParseColorDefault(cfg.BGColor, common.BackgroundColor)
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router := mux.NewRouter()
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subBaseLine := newSubBaseLine(cfg.MapDir, bg)
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router.Path("/map/{z:[0-9]+}/{x:[0-9]+}/{y:[0-9]+}.png").Handler(subBaseLine)
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var btu baseTilesUpdates
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var wsf *websocketForwarder
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if cfg.Websockets {
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wsf = newWebsocketForwarder()
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go wsf.run()
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router.Path("/ws").Methods("GET").Handler(wsf)
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btu = wsf
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}
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if cfg.PlayersFIFO != "" {
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plys := newPlayers(cfg.PlayersFIFO, wsf)
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go plys.run()
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router.Path("/players").Methods("GET").Handler(plys)
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}
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if cfg.RedisHost != "" {
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var colors *common.Colors
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var err error
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if colors, err = common.ParseColors(cfg.ColorsFile); err != nil {
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log.Fatalf("ERROR: problem loading colors: %s", err)
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}
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colors.TransparentDim = common.Clamp32f(
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float32(cfg.TransparentDim/100.0), 0.0, 100.0)
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dbcf, err := common.CreateDBClientFactory(cfg.RedisHost, cfg.RedisPort)
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if err != nil {
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log.Fatalf("error: %v\n", err)
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}
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defer dbcf.Close()
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var allowedUpdateIps []net.IP
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if allowedUpdateIps, err = ipsFromHosts(cfg.UpdateHosts); err != nil {
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log.Fatalf("ERROR: name resolving problem: %s", err)
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}
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tu := newTileUpdater(
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cfg.MapDir,
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dbcf,
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allowedUpdateIps,
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colors, bg,
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cfg.YMin, cfg.YMax,
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cfg.Transparent,
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cfg.Workers,
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btu)
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go tu.doUpdates()
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if pgHost, ok := common.IsPostgreSQL(cfg.RedisHost); btu != nil && ok {
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go tu.listen(pgHost, cfg.ChangeDuration.Duration)
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} else {
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router.Path("/update").Methods("POST").Handler(tu)
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}
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}
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router.PathPrefix("/").Handler(http.FileServer(http.Dir(cfg.WebDir)))
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http.Handle("/", router)
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addr := fmt.Sprintf("%s:%d", cfg.WebHost, cfg.WebPort)
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if err := http.ListenAndServe(addr, nil); err != nil {
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log.Fatalf("Starting server failed: %s\n", err)
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}
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}
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