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feat(trafficManager): action redirecting to another service
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,54 @@ | ||
| // Copyright 2023 The LMP Authors. | ||
| // | ||
| // Licensed under the Apache License, Version 2.0 (the "License"); | ||
| // you may not use this file except in compliance with the License. | ||
| // You may obtain a copy of the License at | ||
| // | ||
| // https://github.com/linuxkerneltravel/lmp/blob/develop/LICENSE | ||
| // | ||
| // Unless required by applicable law or agreed to in writing, software | ||
| // distributed under the License is distributed on an "AS IS" BASIS, | ||
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| // See the License for the specific language governing permissions and | ||
| // limitations under the License. | ||
| // | ||
| // author: Woa <[email protected]> | ||
|
|
||
| package acceptance | ||
|
|
||
| import ( | ||
| "fmt" | ||
| "log" | ||
| "net/http" | ||
| "strings" | ||
| ) | ||
|
|
||
| type Router struct { | ||
| Route map[string]map[string]http.HandlerFunc | ||
| } | ||
|
|
||
| func (r *Router) ServeHTTP(writer http.ResponseWriter, request *http.Request) { | ||
| if f, ok := r.Route[request.Method][request.URL.Path]; ok { | ||
| f(writer, request) | ||
| } | ||
| } | ||
|
|
||
| func (r *Router) HandleFunc(method, path string, f http.HandlerFunc) { | ||
| method = strings.ToUpper(method) | ||
| if r.Route == nil { | ||
| r.Route = make(map[string]map[string]http.HandlerFunc) | ||
| } | ||
| if r.Route[method] == nil { | ||
| r.Route[method] = make(map[string]http.HandlerFunc) | ||
| } | ||
| r.Route[method][path] = f | ||
| } | ||
|
|
||
| func startServer(portStr string) { | ||
| route := Router{} | ||
| route.HandleFunc("GET", "/", func(w http.ResponseWriter, r *http.Request) { | ||
| fmt.Fprintf(w, portStr) | ||
| }) | ||
|
|
||
| log.Fatal(http.ListenAndServe("localhost:"+portStr, &route)) | ||
| } |
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132 changes: 132 additions & 0 deletions
132
eBPF_Supermarket/TrafficManager/acceptance/redirect_test.go
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,132 @@ | ||
| // Copyright 2023 The LMP Authors. | ||
| // | ||
| // Licensed under the Apache License, Version 2.0 (the "License"); | ||
| // you may not use this file except in compliance with the License. | ||
| // You may obtain a copy of the License at | ||
| // | ||
| // https://github.com/linuxkerneltravel/lmp/blob/develop/LICENSE | ||
| // | ||
| // Unless required by applicable law or agreed to in writing, software | ||
| // distributed under the License is distributed on an "AS IS" BASIS, | ||
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| // See the License for the specific language governing permissions and | ||
| // limitations under the License. | ||
| // | ||
| // author: Woa <[email protected]> | ||
|
|
||
| package acceptance | ||
|
|
||
| import ( | ||
| "fmt" | ||
| "io" | ||
| "net/http" | ||
| "testing" | ||
|
|
||
| "lmp/eTrafficManager/bpf" | ||
| ) | ||
|
|
||
| func TestRedirect(t *testing.T) { | ||
| var serverPortList = []string{ | ||
| "8001", | ||
| "8002", | ||
| "8003", | ||
| "8004", | ||
| "8005", | ||
| } | ||
|
|
||
| var repeatNum int64 = 125000 | ||
| for _, s := range serverPortList { | ||
| go startServer(s) | ||
| } | ||
|
|
||
| progs, err := bpf.LoadProgram() | ||
| if err != nil { | ||
| fmt.Println("[ERROR] Loading program failed:", err) | ||
| return | ||
| } | ||
| s := bpf.Service{ | ||
| IP: "1.1.1.1", | ||
| Port: "80", | ||
| Possibility: 0.75, | ||
| } | ||
| b := []bpf.Backend{ | ||
| { | ||
| IP: "127.0.0.1", | ||
| Port: "8001", | ||
| Possibility: 0.25, | ||
| }, { | ||
| IP: "127.0.0.1", | ||
| Port: "8002", | ||
| Possibility: 0.75, | ||
| }, | ||
| } | ||
| progs.AutoInsertService(s, b, bpf.WeightedAction, nil) | ||
|
|
||
| s2 := bpf.Service{ | ||
| IP: "127.0.0.1", | ||
| Port: "8003", | ||
| } | ||
| b2 := []bpf.Backend{ | ||
| { | ||
| IP: "127.0.0.1", | ||
| Port: "8004", | ||
| Possibility: 0.125, | ||
| }, | ||
| { | ||
| IP: "127.0.0.1", | ||
| Port: "8005", | ||
| Possibility: 0.125, | ||
| }, | ||
| } | ||
|
|
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| progs.AutoInsertService(s2, b2, bpf.RedirectAction, []bpf.Service{s}) | ||
|
|
||
| err = progs.Attach() | ||
| if err != nil { | ||
| fmt.Println("[ERROR] Attaching failed:", err) | ||
| } | ||
|
|
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| countBucket := make(map[string]int) | ||
|
|
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| for i := 0; i < int(repeatNum); i++ { | ||
| client := &http.Client{ | ||
| Transport: &http.Transport{ | ||
| // We must set DisableKeepAlives, otherwise all requests will be in one HTTP connection | ||
| DisableKeepAlives: true, | ||
| }, | ||
| } | ||
|
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| url := "http://" + "127.0.0.1:8003" | ||
| req, err := http.NewRequest("GET", url, nil) | ||
| if err != nil { | ||
| fmt.Println("Error creating request:", err) | ||
| return | ||
| } | ||
|
|
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| resp, err := client.Do(req) | ||
| if err != nil { | ||
| fmt.Println("Error sending request:", err) | ||
| return | ||
| } | ||
| defer resp.Body.Close() | ||
|
|
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| body, err := io.ReadAll(resp.Body) | ||
| if err != nil { | ||
| fmt.Println("Error reading response:", err) | ||
| return | ||
| } | ||
|
|
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| // fmt.Println("Response:", string(body)) | ||
| countBucket[string(body)] += 1 | ||
| } | ||
|
|
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| for i := 0; i < len(serverPortList); i++ { | ||
| actualNumber := float64(countBucket[serverPortList[i]]) | ||
| fmt.Printf("For port: %s, got actualNumber: %d.\n", serverPortList[i], int64(actualNumber)) | ||
| } | ||
|
|
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| fmt.Println("[INFO] Test is done...") | ||
| progs.AutoDeleteService(s, nil) | ||
| progs.AutoDeleteService(s2, []bpf.Service{s}) | ||
| progs.Close() | ||
| } |
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