func main() { config, args := skynet.GetClientConfig() client := client.NewClient(config) service := client.GetService("Fibonacci", "", "", "") if len(args) == 0 { fmt.Printf("Usage: %s <positive number>*\n", args[0]) return } for _, arg := range args[1:] { index, err := strconv.Atoi(arg) if err != nil { panic(err) } req := fibonacci.Request{ Index: index, } resp := fibonacci.Response{} err = service.Send(nil, "Index", req, &resp) if err != nil { fmt.Println(err) } else { fmt.Printf("%d -> %d\n", index, resp.Value) } } }
func main() { config, _ := skynet.GetClientConfig() var err error config.Log = skynet.NewConsoleSemanticLogger("TestServiceClient", os.Stderr) client := client.NewClient(config) // This will not fail if no services currently exist, as // connections are created on demand this saves from chicken and // egg issues with dependencies between services service := client.GetService("TestService", "", "", "") // (any version, any region, any host) // This on the other hand will fail if it can't find a service to // connect to in := map[string]interface{}{ "data": "Upcase me!!", } out := map[string]interface{}{} err = service.Send(nil, "Upcase", in, &out) if err != nil { fmt.Println(err) return } fmt.Println(out["data"].(string)) }
func main() { config := &skynet.ClientConfig{ DoozerConfig: &skynet.DoozerConfig{}, } flagset := flag.NewFlagSet("sleepclient", flag.ContinueOnError) skynet.FlagsForClient(config, flagset) req := sleeper.Request{ Message: "Hello!", } var ( retry time.Duration giveup time.Duration ) flagset.DurationVar(&req.Duration, "sleepfor", 5*time.Second, "how long to sleep") flagset.BoolVar(&req.ExitWhenDone, "exit", false, "have the service call os.Exit(0) when finished sleeping") flagset.BoolVar(&req.PanicWhenDone, "panic", false, "have the service panic when finished sleeping") flagset.BoolVar(&req.UnregisterWhenDone, "unregister", false, "have the service unregister when finished sleeping") flagset.BoolVar(&req.UnregisterHalfwayThrough, "unregister-halfway", false, "have the service unregister half-way through the sleep") flagset.DurationVar(&retry, "retry", time.Second, "how long to wait before trying again") flagset.DurationVar(&giveup, "giveup", 5*time.Second, "how long to wait before giving up") flagset.Parse(os.Args[1:]) config.MaxConnectionsToInstance = 5 client := client.NewClient(config) service := client.GetService("Sleeper", "", "", "") service.SetTimeout(retry, giveup) resp := sleeper.Response{} start := time.Now() err := service.Send(nil, "Sleep", req, &resp) duration := time.Now().Sub(start).Nanoseconds() fmt.Printf("request took %dns\n", duration) if err != nil { fmt.Println(err) } else { fmt.Printf("%s -> %s\n", req.Message, resp.Message) } }
func NewFibonacci() (f *Fibonacci) { f = new(Fibonacci) f.cconfig, _ = skynet.GetClientConfig() f.client = client.NewClient(f.cconfig) f.cache = map[int]chan uint64{ 0: make(chan uint64, 1), 1: make(chan uint64, 1), } f.cache[0] <- 0 f.cache[1] <- 1 return }
func getDaemonServiceClientForHost(dc *skynet.DoozerConfig, host string) *client.ServiceClient { config := &skynet.ClientConfig{ DoozerConfig: dc, } c := client.NewClient(config) registered := true query := &skynet.Query{ DoozerConn: c.DoozerConn, Service: "SkynetDaemon", Host: host, Registered: ®istered, } s := c.GetServiceFromQuery(query) return s }
func main() { config, _ := skynet.GetClientConfig() client := client.NewClient(config) service := client.GetService("TutorialService", "1", "Development", "") req := &TutorialRequest{ Value: 1, } resp := &TutorialResponse{} err := service.Send(nil, "AddOne", req, resp) if err != nil { fmt.Println(err) } else { fmt.Println(resp.Value) } }
func Stop(q *skynet.Query) { cl := client.NewClient(&config) for _, instance := range filterDaemon(q.FindInstances()) { cdaemon := daemon.GetDaemonForService(cl, instance) in := daemon.StopSubServiceRequest{UUID: instance.Config.UUID} out, err := cdaemon.StopSubService(in) if err != nil { if strings.HasPrefix(err.Error(), "No such service UUID") { // no daemon on the service's machine, shut it down directly AdminStop(q) } else { fmt.Println(err) } } else { stopTemplate.Execute(os.Stdout, out) } } }
// TODO: this should be smarter about which hosts it deploys to func Deploy(q *skynet.Query, path string, args ...string) { cl := client.NewClient(&config) fmt.Println("deploying " + path + " " + strings.Join(args, "")) for _, host := range q.FindHosts() { cdaemon := daemon.GetDaemonForHost(cl, host) in := daemon.DeployRequest{ ServicePath: path, Args: shellquote.Join(args...), } out, err := cdaemon.Deploy(in) if err != nil { fmt.Println(err) return } deployTemplate.Execute(os.Stdout, out) } }
func Restart(q *skynet.Query) { cl := client.NewClient(&config) for _, instance := range filterDaemon(q.FindInstances()) { cdaemon := daemon.GetDaemonForService(cl, instance) in := daemon.RestartSubServiceRequest{UUID: instance.Config.UUID} out, err := cdaemon.RestartSubService(in) if err != nil { if strings.HasPrefix(err.Error(), "No such service UUID") { // Commented out for now, we need to determine if we want to try to restart an unmanaged instance, and support it // no daemon on the service's machine, shut it down directly //AdminStop(q) } else { fmt.Println(err) } } else { restartTemplate.Execute(os.Stdout, out) } } }
func main() { flag.Parse() doozerConfig := &skynet.DoozerConfig{ Uri: *doozer, AutoDiscover: true, } clientConfig := &skynet.ClientConfig{ DoozerConfig: doozerConfig, IdleConnectionsToInstance: *requests, MaxConnectionsToInstance: *requests, IdleTimeout: (2 * time.Minute), } c := make(chan os.Signal, 1) quitChan := make(chan bool, 1) requestChan := make(chan string, *requests*3) workerQuitChan := make(chan bool, 1) workerWaitGroup := new(sync.WaitGroup) go watchSignals(c, quitChan) skynetClient := client.NewClient(clientConfig) testserviceClient = skynetClient.GetService("TestService", "", "", "") fibserviceClient = skynetClient.GetService("Fibonacci", "", "", "") startTime := time.Now().UnixNano() fmt.Printf("Starting %d Workers\n", *requests) for i := 0; i < *requests; i++ { go worker(requestChan, workerWaitGroup, workerQuitChan) } requestNum := 0 for { select { case <-quitChan: for i := 0; i < *requests; i++ { workerQuitChan <- true } workerWaitGroup.Wait() stopTime := time.Now().UnixNano() successful, _ := strconv.Atoi(successfulRequests.String()) total, _ := strconv.Atoi(totalRequests.String()) failed := total - successful percentSuccess := int(float64(successful) / float64(total) * 100) percentFailed := int(float64(failed) / float64(total) * 100) runtime := (stopTime - startTime) / 1000000 rqps := float64(total) / (float64(runtime) / 1000) fmt.Printf("======================================") fmt.Printf("======================================") fmt.Printf("Completed in %d Milliseconds, %f Requests/s\n", runtime, rqps) fmt.Printf("\nTotal Requests: %d, Successful: %d (%d%%)", total, successful, percentSuccess) fmt.Printf(", Failed: %d (%d%%)\n\n", failed, percentFailed) return default: if requestNum%2 == 0 { requestChan <- "testservice" } else { requestChan <- "fibservice" } requestNum++ } } }