Exemple #1
0
func main() {
	// No command? It's time for usage.
	if len(os.Args) == 1 {
		fmt.Fprintln(os.Stderr, "Cayley is a graph store and graph query layer.")
		usage()
		os.Exit(1)
	}

	cmd := os.Args[1]
	os.Args = append(os.Args[:1], os.Args[2:]...)
	flag.Parse()

	var buildString string
	if Version != "" {
		buildString = fmt.Sprint("Cayley ", Version, " built ", BuildDate)
		glog.Infoln(buildString)
	}

	cfg := configFrom(*configFile)

	if os.Getenv("GOMAXPROCS") == "" {
		runtime.GOMAXPROCS(runtime.NumCPU())
		glog.Infoln("Setting GOMAXPROCS to", runtime.NumCPU())
	} else {
		glog.Infoln("GOMAXPROCS currently", os.Getenv("GOMAXPROCS"), " -- not adjusting")
	}

	var (
		handle *graph.Handle
		err    error
	)
	switch cmd {
	case "version":
		if Version != "" {
			fmt.Println(buildString)
		} else {
			fmt.Println("Cayley snapshot")
		}
		os.Exit(0)

	case "init":
		err = db.Init(cfg)
		if err != nil {
			break
		}
		if *quadFile != "" {
			handle, err = db.Open(cfg)
			if err != nil {
				break
			}
			err = internal.Load(handle.QuadWriter, cfg, *quadFile, *quadType)
			if err != nil {
				break
			}
			handle.Close()
		}

	case "load":
		handle, err = db.Open(cfg)
		if err != nil {
			break
		}
		err = internal.Load(handle.QuadWriter, cfg, *quadFile, *quadType)
		if err != nil {
			break
		}

		handle.Close()

	case "repl":
		handle, err = db.Open(cfg)
		if err != nil {
			break
		}
		if !graph.IsPersistent(cfg.DatabaseType) {
			err = internal.Load(handle.QuadWriter, cfg, "", *quadType)
			if err != nil {
				break
			}
		}

		err = db.Repl(handle, *queryLanguage, cfg)

		handle.Close()

	case "http":
		handle, err = db.Open(cfg)
		if err != nil {
			break
		}
		if !graph.IsPersistent(cfg.DatabaseType) {
			err = internal.Load(handle.QuadWriter, cfg, "", *quadType)
			if err != nil {
				break
			}
		}

		http.Serve(handle, cfg)

		handle.Close()

	default:
		fmt.Println("No command", cmd)
		usage()
	}
	if err != nil {
		glog.Errorln(err)
	}
}
Exemple #2
0
func main() {
	// No command? It's time for usage.
	if len(os.Args) == 1 {
		Usage()
		os.Exit(1)
	}

	cmd := os.Args[1]
	var newargs []string
	newargs = append(newargs, os.Args[0])
	newargs = append(newargs, os.Args[2:]...)
	os.Args = newargs
	flag.Parse()

	var buildString string
	if VERSION != "" {
		buildString = fmt.Sprint("Cayley ", VERSION, " built ", BUILD_DATE)
		glog.Infoln(buildString)
	}

	cfg := config.ParseConfigFromFlagsAndFile(*configFile)

	if os.Getenv("GOMAXPROCS") == "" {
		runtime.GOMAXPROCS(runtime.NumCPU())
		glog.Infoln("Setting GOMAXPROCS to", runtime.NumCPU())
	} else {
		glog.Infoln("GOMAXPROCS currently", os.Getenv("GOMAXPROCS"), " -- not adjusting")
	}

	var (
		handle *graph.Handle
		err    error
	)
	switch cmd {
	case "version":
		if VERSION != "" {
			fmt.Println(buildString)
		} else {
			fmt.Println("Cayley snapshot")
		}
		os.Exit(0)

	case "init":
		err = db.Init(cfg)
		if err != nil {
			break
		}
		if *tripleFile != "" {
			handle, err = db.Open(cfg)
			if err != nil {
				break
			}
			err = load(handle.QuadWriter, cfg, *tripleFile, *tripleType)
			if err != nil {
				break
			}
			handle.Close()
		}

	case "load":
		handle, err = db.Open(cfg)
		if err != nil {
			break
		}
		err = load(handle.QuadWriter, cfg, *tripleFile, *tripleType)
		if err != nil {
			break
		}

		handle.Close()

	case "repl":
		handle, err = db.Open(cfg)
		if err != nil {
			break
		}
		if !graph.IsPersistent(cfg.DatabaseType) {
			err = load(handle.QuadWriter, cfg, "", *tripleType)
			if err != nil {
				break
			}
		}

		err = db.Repl(handle, *queryLanguage, cfg)

		handle.Close()

	case "http":
		handle, err = db.Open(cfg)
		if err != nil {
			break
		}
		if !graph.IsPersistent(cfg.DatabaseType) {
			err = load(handle.QuadWriter, cfg, "", *tripleType)
			if err != nil {
				break
			}
		}

		http.Serve(handle, cfg)

		handle.Close()

	default:
		fmt.Println("No command", cmd)
		flag.Usage()
	}
	if err != nil {
		glog.Errorln(err)
	}
}