// Serve starts the go-horizon system, binding it to a socket, setting up
// the shutdown signals and starting the appropriate db-streaming pumps.
func (a *App) Serve() {
a.web.router.Compile()
http.Handle("/", a.web.router)
listenStr := fmt.Sprintf(":%d", a.config.Port)
listener := bind.Socket(listenStr)
log.Infof(a.ctx, "Starting horizon on %s", listener.Addr())
graceful.HandleSignals()
bind.Ready()
graceful.PreHook(func() {
log.Info(a.ctx, "received signal, gracefully stopping")
a.Cancel()
})
graceful.PostHook(func() {
log.Info(a.ctx, "stopped")
})
if a.config.Autopump {
sse.SetPump(a.ctx, sse.AutoPump)
} else {
sse.SetPump(a.ctx, db.NewLedgerClosePump(a.ctx, a.historyDb))
}
err := graceful.Serve(listener, http.DefaultServeMux)
if err != nil {
log.Panic(a.ctx, err)
}
graceful.Wait()
}
// Serve starts Goji using reasonable defaults.
func Serve() {
if !flag.Parsed() {
flag.Parse()
}
log.SetFlags(log.Flags() | log.Lmicroseconds)
// Install our handler at the root of the standard net/http default mux.
// This allows packages like expvar to continue working as expected.
http.Handle("/", DefaultMux)
listener := bind.Default()
log.Println("Starting Goji on", listener.Addr())
graceful.HandleSignals()
bind.Ready()
err := graceful.Serve(listener, http.DefaultServeMux)
if err != nil {
log.Fatal(err)
}
graceful.Wait()
}
// Serve starts kami with reasonable defaults.
// It works (exactly) like Goji, looking for Einhorn, the bind flag, GOJI_BIND...
func Serve() {
if !flag.Parsed() {
flag.Parse()
}
// Install our handler at the root of the standard net/http default mux.
// This allows packages like expvar to continue working as expected.
http.Handle("/", Handler())
listener := bind.Default()
log.Println("Starting kami on", listener.Addr())
graceful.HandleSignals()
bind.Ready()
graceful.PreHook(func() { log.Printf("kami received signal, gracefully stopping") })
graceful.PostHook(func() { log.Printf("kami stopped") })
err := graceful.Serve(listener, http.DefaultServeMux)
if err != nil {
log.Fatal(err)
}
graceful.Wait()
}
func serve() {
goji.DefaultMux.Compile()
// Install our handler at the root of the standard net/http default mux.
// This allows packages like expvar to continue working as expected.
http.Handle("/", goji.DefaultMux)
listener := bind.Socket(bind.Sniff())
log.Println("Starting Goji on", listener.Addr())
graceful.HandleSignals()
bind.Ready()
graceful.PreHook(func() { log.Printf("Goji received signal, gracefully stopping") })
graceful.PostHook(func() {
log.Printf("Goji stopped")
log.Printf("Shutting down the server")
handler.DB.Close()
log.Printf("Database shut down. Terminating the process.")
})
err := graceful.Serve(listener, http.DefaultServeMux)
if err != nil {
log.Fatal(err)
}
graceful.Wait()
}
func main() {
appCfg, srvCfg, err := readConfiguration()
if err != nil {
log.Fatalf("Error parsing configuration. event=config_error error=%q", err)
}
a, err := app.New(appCfg)
if err != nil {
log.Fatalf("Error initializing app event=init_error error=%q", err)
}
defer a.Close()
listener, err := net.Listen("tcp", srvCfg.HTTPAddr)
if err != nil {
log.Fatalf("Error attempting to listen on port, event=listen_error address=%q error=%q", err, srvCfg.HTTPAddr)
}
graceful.Timeout(httpGrace)
graceful.HandleSignals()
graceful.PreHook(func() {
log.Print("Shutting down. event=app_stop")
})
log.Printf("Starting. event=app_start address=%q", listener.Addr())
bind.Ready()
err = graceful.Serve(listener, a)
if err != nil {
log.Fatalf("Shutting down after a fatal error. event=fatal_error error=%q", err)
}
}
// Serve starts the horizon system, binding it to a socket, setting up
// the shutdown signals and starting the appropriate db-streaming pumps.
func (a *App) Serve() {
a.web.router.Compile()
http.Handle("/", a.web.router)
listenStr := fmt.Sprintf(":%d", a.config.Port)
listener := bind.Socket(listenStr)
log.Infof("Starting horizon on %s", listener.Addr())
graceful.HandleSignals()
bind.Ready()
graceful.PreHook(func() {
log.Info("received signal, gracefully stopping")
a.Close()
})
graceful.PostHook(func() {
log.Info("stopped")
})
sse.SetPump(a.pump.Subscribe())
err := graceful.Serve(listener, http.DefaultServeMux)
if err != nil {
log.Panic(err)
}
graceful.Wait()
}
func Run() {
http.Handle("/", DefaultServerMux)
listener, err := net.Listen("tcp", Config.App.Bind)
if err != nil {
panic(err)
}
err = graceful.Serve(listener, DefaultServerMux)
if err != nil {
panic(err)
}
graceful.Wait()
}
func (s *Server) HTTPServe() {
httpSocket := bind.Socket(s.HTTPAddr)
graceful.Timeout(10 * time.Second)
graceful.PreHook(func() {
s.logger.Info("Terminating HTTP listener")
})
graceful.HandleSignals()
s.logger.WithField("address", s.HTTPAddr).Info("HTTP server listening")
bind.Ready()
if err := graceful.Serve(httpSocket, s.Handler()); err != nil {
s.logger.WithError(err).Error("HTTP server shut down due to error")
}
graceful.Wait()
}
func serve(mux *web.Mux, bindProtocol, bindPort string) {
// For now, this is completely lifted from goji's default handler.
http.Handle("/", mux)
log.Printf("Starting on %v/%v", bindProtocol, bindPort)
graceful.HandleSignals()
listener, err := net.Listen(bindProtocol, bindPort)
if err != nil {
log.Fatalf("Couldn't open socket on %v/%v: %v", bindProtocol, bindPort, err)
}
graceful.PreHook(func() { log.Info("Received signal, gracefully stopping.") })
graceful.PostHook(func() { log.Info("Stopped.") })
err = graceful.Serve(listener, http.DefaultServeMux)
if err != nil {
log.Fatalf("Couldn't serve on %v/%v: %v", bindProtocol, bindPort, err)
}
graceful.Wait()
}
// SetupMainServer allocates a listener socket and starts a web server with graceful restart
// on the specified IP address and port. The ipPort has the format "ip_address:port" or
// ":port" for 0.0.0.0/port.
func SetupMainServer(ipPort string, mux *web.Mux) {
listener, err := net.Listen("tcp4", ipPort)
if err != nil {
FatalError(err.Error())
}
// Install our handler at the root of the standard net/http default mux.
// This allows packages like expvar to continue working as expected.
mux.Compile()
http.Handle("/", mux)
graceful.HandleSignals()
graceful.PreHook(func() { log15.Warn("Gracefully stopping on signal") })
graceful.PostHook(func() { log.Printf("Gracefully stopped") })
err = graceful.Serve(listener, http.DefaultServeMux)
if err != nil {
FatalError(err.Error())
}
graceful.Wait()
}
/**
*There was no support of TLS in kami
*Copy-paste from Goji
**/
func ServeTLS(config *tls.Config) {
if !flag.Parsed() {
flag.Parse()
}
http.Handle("/", kami.Handler())
listener := tls.NewListener(bind.Default(), config)
log.Println("Starting kami on", listener.Addr())
graceful.HandleSignals()
bind.Ready()
graceful.PreHook(func() { log.Printf("kami received signal, gracefully stopping") })
graceful.PostHook(func() { log.Printf("kami stopped") })
err := graceful.Serve(listener, http.DefaultServeMux)
if err != nil {
log.Fatal(err)
}
graceful.Wait()
}
func main() {
// Parse the flags
flag.Parse()
logrus.Infoln("**********************************************************")
logrus.Infoln("goproject server starting ...")
logrus.Infof("Version : %s (%s-%s)", version.Version, version.Revision, version.Branch)
// Set localtime to UTC
time.Local = time.UTC
// Put config into the environment package
shared.Config = &shared.Flags{
BindAddress: *bindAddress,
LogFormatterType: *logFormatterType,
ForceColors: *forceColors,
RavenDSN: *ravenDSN,
DatabaseDriver: *databaseDriver,
DatabaseHost: *databaseHost,
DatabaseNamespace: *databaseNamespace,
DatabaseUser: *databaseUser,
DatabasePassword: *databasePassword,
MemcachedHosts: *memcachedHosts,
RedisHost: *redisHost,
}
// Generate a mux
mux := system.Setup(shared.Config)
// Make the mux handle every request
http.Handle("/", mux)
// Log that we're starting the server
shared.Log.WithFields(logrus.Fields{
"address": shared.Config.BindAddress,
}).Info("Starting the HTTP server")
// Initialize the goroutine listening to signals passed to the app
graceful.HandleSignals()
// Pre-graceful shutdown event
graceful.PreHook(func() {
shared.Log.Info("Received a signal, stopping the application")
})
// Post-shutdown event
graceful.PostHook(func() {
shared.Log.Info("Stopped the application")
})
// Listen to the passed address
listener, err := net.Listen("tcp", shared.Config.BindAddress)
if err != nil {
shared.Log.WithFields(logrus.Fields{
"error": err,
"address": *bindAddress,
}).Fatal("Cannot set up a TCP listener")
}
// Start the listening
err = graceful.Serve(listener, http.DefaultServeMux)
if err != nil {
// Don't use .Fatal! We need the code to shut down properly.
shared.Log.Error(err)
}
// If code reaches this place, it means that it was forcefully closed.
// Wait until open connections close.
graceful.Wait()
}
func main() {
// Create a DB with the test table and seed data
db, _ := gorm.Open("sqlite3", "./grapi-example.db")
seedDb(&db)
// Create an API server. We need to supply JwtKey if we're doing authentication.
// We pass db.Debug() instead of &db so you can see the sql queries in the log.
a := grapi.New(grapi.Options{Db: db.Debug(), JwtKey: "SomethingLongAndDifficultToGuess"})
http.Handle("/api/", a)
http.HandleFunc("/", indexHandler)
// Allow logging in with the User model at /api/login. Details will be checked by User.CheckLoginDetails()
a.SetAuth(&User{}, "login")
// Setup some useful RouteOptions that we will use for adding authenticated routs.
// This one allows only authenticated users (ie. they've logged in at "/login" above).
onlyAuthenticated := grapi.RouteOptions{UseDefaultAuth: true}
// Only Allow Admin
onlyAdmin := grapi.RouteOptions{
UseDefaultAuth: true,
// Add an authorize callback. This is a Martini handler, and can access the LoginModel
// used for authentication. As we called API.SetAuth with &User{} this is guaranteed to
// be a *User, so we can do a type assertion.
Authorize: func(req grapi.ReqToAuthorize) bool {
user := req.GetLoginObject().(*User)
if !user.Admin {
http.Error(req.GetResponseWriter(), `{"error":"You need to be admin to do that"}`, 403)
return false
}
return true
}}
// This RouteOptions can be used for any table with a user_id field. If logged in as admin
// it allows anything. If logged in as user it limits GETs to those of own user_id, and
// delete to own user_id. It also prevents changing user ownership.
onlyOwnUnlessAdmin := grapi.RouteOptions{
UseDefaultAuth: true,
Query: func(req grapi.ReqToLimit) bool {
user := req.GetLoginObject().(*User)
// Scope the requests database to only contain owned items. This prevents unauthorized
// GET, DELETE, and PATCH requests, and limits the index to own items.
if !user.Admin {
req.SetDB(req.GetDB().Where("user_id = ?", user.ID))
}
return true
},
CheckUpload: func(req grapi.ReqULToCheck) bool {
user := req.GetLoginObject().(*User)
uploaded := req.GetUpload().(BelongsToUser)
// For PATCH and POST routes we also need to check that the uploaded object has the correct user_id
if !user.Admin && user.ID != uploaded.UserId() {
http.Error(req.GetResponseWriter(), `{"error":"Only admin can change a user_id"}`, 403)
return false
}
return true
}}
// Add the Default REST routes for User.
// If two RouteOptions structures are provided the first is used for Read routes,
// and the second for Write routes. If three are given then the third is used for
// DELETE requests.
a.AddDefaultRoutes(&User{}, onlyAuthenticated, onlyAdmin)
// We want people to only see their own widgets, unless they are admin.
a.AddDefaultRoutes(&PrivateWidget{}, onlyOwnUnlessAdmin)
// We are going to make the widget list available to view by user at
// /api/user/:user_id/private_widgets
a.AddIndexRoute(&PrivateWidget{},
&grapi.RouteOptions{
Prefix: "/user/:user_id",
Query: func(req grapi.ReqToLimit) bool {
req.SetDB(req.GetDB().Where("user_id = ?", req.Param("user_id")))
return true
}})
// Run the server.
listener, err := net.Listen("tcp", "127.0.0.1:3000")
if err != nil {
panic(err.Error())
}
err = graceful.Serve(listener, http.DefaultServeMux)
if err != nil {
panic(err.Error())
}
graceful.Wait()
}
func main() {
// Parse the flags
flag.Parse()
// Put config into the environment package
env.Config = &env.Flags{
BindAddress: *bindAddress,
APIVersion: *apiVersion,
LogFormatterType: *logFormatterType,
ForceColors: *forceColors,
EmailDomain: *emailDomain,
SessionDuration: *sessionDuration,
RedisAddress: *redisAddress,
RedisDatabase: *redisDatabase,
RedisPassword: *redisPassword,
RethinkDBAddress: *rethinkdbAddress,
RethinkDBKey: *rethinkdbKey,
RethinkDBDatabase: *rethinkdbDatabase,
NSQdAddress: *nsqdAddress,
LookupdAddress: *lookupdAddress,
YubiCloudID: *yubiCloudID,
YubiCloudKey: *yubiCloudKey,
SlackURL: *slackURL,
SlackLevels: *slackLevels,
SlackChannel: *slackChannel,
SlackIcon: *slackIcon,
SlackUsername: *slackUsername,
BloomFilter: *bloomFilter,
BloomCount: *bloomCount,
RavenDSN: *ravenDSN,
}
// Generate a mux
mux := setup.PrepareMux(env.Config)
// Make the mux handle every request
http.Handle("/", mux)
// Log that we're starting the server
env.Log.WithFields(logrus.Fields{
"address": env.Config.BindAddress,
}).Info("Starting the HTTP server")
// Initialize the goroutine listening to signals passed to the app
graceful.HandleSignals()
// Pre-graceful shutdown event
graceful.PreHook(func() {
env.Log.Info("Received a singnal, stopping the application")
})
// Post-shutdown event
graceful.PostHook(func() {
env.Log.Info("Stopped the application")
})
// Listen to the passed address
listener, err := net.Listen("tcp", env.Config.BindAddress)
if err != nil {
env.Log.WithFields(logrus.Fields{
"error": err,
"address": *bindAddress,
}).Fatal("Cannot set up a TCP listener")
}
// Start the listening
err = graceful.Serve(listener, http.DefaultServeMux)
if err != nil {
// Don't use .Fatal! We need the code to shut down properly.
env.Log.Error(err)
}
// If code reaches this place, it means that it was forcefully closed.
// Wait until open connections close.
graceful.Wait()
}