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How to use Run method of toxics Package

Best Toxiproxy code snippet using toxics.Run

link_test.go

Source:link_test.go

...57}58func TestAddRemoveStubs(t *testing.T) {59	collection := NewToxicCollection(nil)60	link := NewToxicLink(nil, collection, stream.Downstream)61	go link.stubs[0].Run(collection.chain[stream.Downstream][0])62	collection.links["test"] = link63	// Add stubs64	collection.chainAddToxic(&toxics.ToxicWrapper{65		Toxic:      new(toxics.LatencyToxic),66		Type:       "latency",67		Direction:  stream.Downstream,68		BufferSize: 1024,69		Toxicity:   1,70	})71	toxic := &toxics.ToxicWrapper{72		Toxic:      new(toxics.BandwidthToxic),73		Type:       "bandwidth",74		Direction:  stream.Downstream,75		BufferSize: 2048,76		Toxicity:   1,77	}78	collection.chainAddToxic(toxic)79	if cap(link.stubs[len(link.stubs)-1].Output) != 0 {80		t.Fatalf("Link output buffer was not initialized as 0: %d", cap(link.stubs[0].Output))81	}82	for i, toxic := range collection.chain[stream.Downstream] {83		if cap(link.stubs[i].Input) != toxic.BufferSize {84			t.Fatalf("%s buffer was not initialized as %d: %d", toxic.Type, toxic.BufferSize, cap(link.stubs[i].Input))85		}86	}87	// Remove stubs88	collection.chainRemoveToxic(toxic)89	if cap(link.stubs[len(link.stubs)-1].Output) != 0 {90		t.Fatalf("Link output buffer was not initialized as 0: %d", cap(link.stubs[0].Output))91	}92	for i, toxic := range collection.chain[stream.Downstream] {93		if cap(link.stubs[i].Input) != toxic.BufferSize {94			t.Fatalf("%s buffer was not initialized as %d: %d", toxic.Type, toxic.BufferSize, cap(link.stubs[i].Input))95		}96	}97}98func TestNoDataDropped(t *testing.T) {99	collection := NewToxicCollection(nil)100	link := NewToxicLink(nil, collection, stream.Downstream)101	go link.stubs[0].Run(collection.chain[stream.Downstream][0])102	collection.links["test"] = link103	toxic := &toxics.ToxicWrapper{104		Toxic: &toxics.LatencyToxic{105			Latency: 1000,106		},107		Type:       "latency",108		Direction:  stream.Downstream,109		BufferSize: 1024,110		Toxicity:   1,111	}112	done := make(chan struct{})113	defer close(done)114	go func() {115		for i := 0; i < 64*1024; i++ {116			buf := make([]byte, 2)117			binary.BigEndian.PutUint16(buf, uint16(i))118			link.input.Write(buf)119		}120		link.input.Close()121	}()122	go func() {123		for {124			select {125			case <-done:126				return127			default:128				collection.chainAddToxic(toxic)129				collection.chainRemoveToxic(toxic)130			}131		}132	}()133	buf := make([]byte, 2)134	for i := 0; i < 64*1024; i++ {135		n, err := link.output.Read(buf)136		if n != 2 || err != nil {137			t.Fatalf("Read failed: %d %v", n, err)138		} else {139			val := binary.BigEndian.Uint16(buf)140			if val != uint16(i) {141				t.Fatalf("Read incorrect bytes: %v != %d", val, i)142			}143		}144	}145	n, err := link.output.Read(buf)146	if n != 0 || err != io.EOF {147		t.Fatalf("Expected EOF: %d %v", n, err)148	}149}150func TestToxicity(t *testing.T) {151	collection := NewToxicCollection(nil)152	link := NewToxicLink(nil, collection, stream.Downstream)153	go link.stubs[0].Run(collection.chain[stream.Downstream][0])154	collection.links["test"] = link155	toxic := &toxics.ToxicWrapper{156		Toxic:     new(toxics.TimeoutToxic),157		Name:      "timeout1",158		Type:      "timeout",159		Direction: stream.Downstream,160		Toxicity:  0,161	}162	collection.chainAddToxic(toxic)163	// Toxic should be a Noop because of toxicity164	n, err := link.input.Write([]byte{42})165	if n != 1 || err != nil {166		t.Fatalf("Write failed: %d %v", n, err)167	}168	buf := make([]byte, 2)169	n, err = link.output.Read(buf)170	if n != 1 || err != nil {171		t.Fatalf("Read failed: %d %v", n, err)172	} else if buf[0] != 42 {173		t.Fatalf("Read wrong byte: %x", buf[0])174	}175	toxic.Toxicity = 1176	toxic.Toxic.(*toxics.TimeoutToxic).Timeout = 100177	collection.chainUpdateToxic(toxic)178	err = testhelper.TimeoutAfter(150*time.Millisecond, func() {179		n, err = link.input.Write([]byte{42})180		if n != 1 || err != nil {181			t.Fatalf("Write failed: %d %v", n, err)182		}183		n, err = link.output.Read(buf)184		if n != 0 || err != io.EOF {185			t.Fatalf("Read did not get EOF: %d %v", n, err)186		}187	})188	if err != nil {189		t.Fatal(err)190	}191}192func TestStateCreated(t *testing.T) {193	collection := NewToxicCollection(nil)194	link := NewToxicLink(nil, collection, stream.Downstream)195	go link.stubs[0].Run(collection.chain[stream.Downstream][0])196	collection.links["test"] = link197	collection.chainAddToxic(&toxics.ToxicWrapper{198		Toxic:     new(toxics.LimitDataToxic),199		Type:      "limit_data",200		Direction: stream.Downstream,201		Toxicity:  1,202	})203	if link.stubs[len(link.stubs)-1].State == nil {204		t.Fatalf("New toxic did not have state object created.")205	}206}...

link.go

Source:link.go

...61	for i, toxic := range link.toxics.chain[link.direction] {62		if stateful, ok := toxic.Toxic.(toxics.StatefulToxic); ok {63			link.stubs[i].State = stateful.NewState()64		}65		go link.stubs[i].Run(toxic)66	}67	go func() {68		bytes, err := io.Copy(dest, link.output)69		if err != nil {70			logrus.WithFields(logrus.Fields{71				"name":  link.proxy.Name,72				"bytes": bytes,73				"err":   err,74			}).Warn("Destination terminated")75		}76		dest.Close()77		link.toxics.RemoveLink(name)78		link.proxy.RemoveConnection(name)79	}()80}81// Add a toxic to the end of the chain.82func (link *ToxicLink) AddToxic(toxic *toxics.ToxicWrapper) {83	i := len(link.stubs)84	newin := make(chan *stream.StreamChunk, toxic.BufferSize)85	link.stubs = append(link.stubs, toxics.NewToxicStub(newin, link.stubs[i-1].Output))86	// Interrupt the last toxic so that we don't have a race when moving channels87	if link.stubs[i-1].InterruptToxic() {88		link.stubs[i-1].Output = newin89		if stateful, ok := toxic.Toxic.(toxics.StatefulToxic); ok {90			link.stubs[i].State = stateful.NewState()91		}92		go link.stubs[i].Run(toxic)93		go link.stubs[i-1].Run(link.toxics.chain[link.direction][i-1])94	} else {95		// This link is already closed, make sure the new toxic matches96		link.stubs[i].Output = newin // The real output is already closed, close this instead97		link.stubs[i].Close()98	}99}100// Update an existing toxic in the chain.101func (link *ToxicLink) UpdateToxic(toxic *toxics.ToxicWrapper) {102	if link.stubs[toxic.Index].InterruptToxic() {103		go link.stubs[toxic.Index].Run(toxic)104	}105}106// Remove an existing toxic from the chain.107func (link *ToxicLink) RemoveToxic(toxic *toxics.ToxicWrapper) {108	i := toxic.Index109	if link.stubs[i].InterruptToxic() {110		cleanup, ok := toxic.Toxic.(toxics.CleanupToxic)111		if ok {112			cleanup.Cleanup(link.stubs[i])113			// Cleanup could have closed the stub.114			if link.stubs[i].Closed() {115				return116			}117		}118		stop := make(chan bool)119		// Interrupt the previous toxic to update its output120		go func() {121			stop <- link.stubs[i-1].InterruptToxic()122		}()123		// Unblock the previous toxic if it is trying to flush124		// If the previous toxic is closed, continue flusing until we reach the end.125		interrupted := false126		stopped := false127		for !interrupted {128			select {129			case interrupted = <-stop:130				stopped = true131			case tmp := <-link.stubs[i].Input:132				if tmp == nil {133					link.stubs[i].Close()134					if !stopped {135						<-stop136					}137					return138				}139				link.stubs[i].Output <- tmp140			}141		}142		// Empty the toxic's buffer if necessary143		for len(link.stubs[i].Input) > 0 {144			tmp := <-link.stubs[i].Input145			if tmp == nil {146				link.stubs[i].Close()147				return148			}149			link.stubs[i].Output <- tmp150		}151		link.stubs[i-1].Output = link.stubs[i].Output152		link.stubs = append(link.stubs[:i], link.stubs[i+1:]...)153		go link.stubs[i-1].Run(link.toxics.chain[link.direction][i-1])154	}155}...

Run

Using AI Code Generation

1import (2func main() {3    client, err := toxiproxy.NewClient("localhost:8474")4    if err != nil {5        log.Fatal(err)6    }7    toxic := &toxiproxy.Toxic{8        Attributes: map[string]interface{}{9        },10    }11    if err := client.CreateToxic("redis", toxic); err != nil {12        log.Fatal(err)13    }14}15import (16func main() {17    client, err := toxiproxy.NewClient("localhost:8474")18    if err != nil {19        log.Fatal(err)20    }21    toxics, err := client.Toxics("redis")22    if err != nil {23        log.Fatal(err)24    }25    for _, toxic := range toxics {26        log.Println(toxic.Name)27    }28}29import (30func main() {31    client, err := toxiproxy.NewClient("localhost:8474")32    if err != nil {33        log.Fatal(err)34    }35    toxic := &toxiproxy.Toxic{36        Attributes: map[string]interface{}{37        },38    }39    if err := client.UpdateToxic("redis", toxic); err != nil

Run

Using AI Code Generation

1import (2func main() {3    cli, err := toxiproxy.NewClient("localhost:8474")4    if err != nil {5        log.Fatal(err)6    }7    toxics, err := cli.Toxics("redis")8    if err != nil {9        log.Fatal(err)10    }11    err = toxics.Latency("latency", "downstream", 1000, 0)12    if err != nil {13        log.Fatal(err)14    }15    err = toxics.Run("latency")16    if err != nil {17        log.Fatal(err)18    }19    err = toxics.Stop("latency")20    if err != nil {21        log.Fatal(err)22    }23}24import (25func main() {26    cli, err := toxiproxy.NewClient("localhost:8474")27    if err != nil {28        log.Fatal(err)29    }30    toxic, err := cli.Toxic("redis", "latency")31    if err != nil {32        log.Fatal(err)33    }34    err = toxic.Run()35    if err != nil {36        log.Fatal(err)37    }38}39import (40func main() {41    cli, err := toxiproxy.NewClient("localhost:8474")42    if err != nil {43        log.Fatal(err)44    }45    proxy, err := cli.Proxy("redis")46    if err != nil {47        log.Fatal(err)48    }49    err = proxy.Run()50    if err != nil {51        log.Fatal(err)52    }53}54import (55func main() {56    cli, err := toxiproxy.NewClient("localhost:8474")57    if err != nil {58        log.Fatal(err)59    }60    err = cli.Run("redis", "latency")61    if err != nil {62        log.Fatal(err)

Run

Using AI Code Generation

1import (2func main() {3    toxics := client.NewClient("localhost:8474").Toxics("redis-master")4    toxics.Latency("latency", "downstream", 1000)5    toxics.Timeout("timeout", "downstream", 5000)6}7import (8func main() {9    proxy := client.NewClient("localhost:8474").Proxy("redis-master")10    proxy.Enable()11    proxy.Disable()12    proxy.SimulateTimeout()13    proxy.SimulateLatency()14}15import (16func main() {17    client := client.NewClient("localhost:8474")18    client.CreateProxy("redis-master", "

Run

Using AI Code Generation

1import (2func main() {3  toxics := toxiproxy.NewClient("localhost:8474")4  proxy, err := toxics.CreateProxy("localhost:8080", "localhost:8081")5  if err != nil {6    log.Fatal(err)7  }8  toxic, err := proxy.CreateToxic("latency", "latency", "downstream", 1.0)9  if err != nil {10    log.Fatal(err)11  }12  toxic.SetAttribute("latency", 500)13  time.Sleep(time.Second)14  toxic.Remove()15  proxy.Remove()16}17import (18func main() {19  toxics := toxiproxy.NewClient("localhost:8474")20  proxy, err := toxics.CreateProxy("localhost:8080", "localhost:8081")21  if err != nil {22    log.Fatal(err)23  }24  toxic, err := proxy.CreateToxic("latency", "latency", "downstream", 1.0)25  if err != nil {26    log.Fatal(err)27  }28  toxic.SetAttribute("latency", 500)29  time.Sleep(time.Second)30  toxic.Remove()31  proxy.Remove()32}33import (34func main() {35  toxics := toxiproxy.NewClient("localhost:8474")36  proxy, err := toxics.CreateProxy("localhost:8080", "localhost:8081")37  if err != nil {38    log.Fatal(err)39  }

Run

Using AI Code Generation

1import (2func main() {3    toxic := toxics.Create("latency", toxiproxy.Toxic{4        Attributes: map[string]interface{}{5        },6    })7    fmt.Println(toxic)8}9{latency 0 downstream 1 2017-03-16 18:06:58.196 +0530 IST map[latency:1000 jitter:200]}10import (11func main() {12    toxic := toxics.Create("latency", toxiproxy.Toxic{13        Attributes: map[string]interface{}{14        },15    })16    toxic.Run()17    fmt.Println(toxic)18}19{latency 0 downstream 1 2017-03-16 18:06:58.196 +0530 IST map[latency:1000 jitter:200]}20import (21func main() {22    toxic := toxics.Create("latency", toxiproxy.Toxic{23        Attributes: map[string]interface{}{

Run

Using AI Code Generation

1import (2func main() {3    if err != nil {4        log.Fatal(err)5    }6    proxy := httputil.NewSingleHostReverseProxy(proxyUrl)7    server := &http.Server{8    }9    log.Println("Starting HTTP server on :8000")10    log.Fatal(server.ListenAndServe())11}

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