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)
}
}
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)
}
}