From aeabf13ab3d52f0984936cd5f41b7ec247bdaa33 Mon Sep 17 00:00:00 2001 From: hanemile Date: Sat, 12 Jan 2019 23:26:41 +0100 Subject: something seems broken... --- main.go | 76 +++++++++++++++++++++++++++++++++++++++-------------------------- 1 file changed, 46 insertions(+), 30 deletions(-) diff --git a/main.go b/main.go index ca8b067..40b6667 100644 --- a/main.go +++ b/main.go @@ -5,7 +5,6 @@ import ( "fmt" "log" "net/http" - "net/url" "strconv" "github.com/gorilla/mux" @@ -21,9 +20,11 @@ var ( func indexHandler(w http.ResponseWriter, r *http.Request) { infostring := `Galaxy Simulator Database -API: /api/v1/... - .../new - .../insert{treeindex}` +API: + /new + /insert/{treeindex} POST with the following values: x, y, vx, vy, m + /starlist/{treeindex} + /printall` _, _ = fmt.Fprintf(w, infostring) } @@ -83,7 +84,6 @@ func printAllHandler(w http.ResponseWriter, r *http.Request) { // set the conten panic(printTreeErr) } - log.Println(treeArray[0]) log.Printf("The printAll endpoint was accessed.\n") } @@ -132,35 +132,50 @@ func insertStarHandler(w http.ResponseWriter, r *http.Request) { log.Println("Done inserting the star") } -// calculate the forces acting inbetween all the stars -func calcallHandler(w http.ResponseWriter, r *http.Request) { - // iterate over all the stars and make a POST request to the simulator with the star +// starlistHandler lists all the stars in the given tree +func starlistHandler(w http.ResponseWriter, r *http.Request) { + log.Println("The starlist handler was accessed") + + w.Header().Set("Content-Type", "application/json") - // get the treeindex vars := mux.Vars(r) treeindex, _ := strconv.ParseInt(vars["treeindex"], 10, 0) - listOfStars := treeArray[treeindex].GetAllStars() + listofallstars := treeArray[treeindex].GetAllStars() + log.Printf("listofallstars: %v", listofallstars) + // listofallstars: [{{-42 10} {0 0} 100} {{10 10} {0 0} 100}] + + // convert the list of all stars to json + jsonlistofallstars, jsonMarshalErr := json.Marshal(listofallstars) + if jsonMarshalErr != nil { + panic(jsonMarshalErr) + } + + log.Printf("jsonlistofallstars: %v", string(jsonlistofallstars)) - for _, star := range listOfStars { - // http post request to the simulator traefik with the star in the form + _, _ = fmt.Fprintln(w, string(jsonlistofallstars)) + log.Println("Done") +} - fmt.Println(star) +// subtreeHandler dumps the requested tree +func dumptreeHandler(w http.ResponseWriter, r *http.Request) { + log.Printf("The dumptree endpoint was accessed.\n") + + w.Header().Set("Content-Type", "application/json") - apiurl := "simu.docker.localhost" + vars := mux.Vars(r) + treeindex, _ := strconv.ParseInt(vars["treeindex"], 10, 0) - response, err := http.PostForm(apiurl, url.Values{ - "x": {fmt.Sprintf("%f", star.C.X)}, - "y": {fmt.Sprintf("%f", star.C.Y)}, - "vx": {fmt.Sprintf("%f", star.V.X)}, - "vy": {fmt.Sprintf("%f", star.V.X)}, - "m": {fmt.Sprintf("%f", star.M)}, - }) - if err != nil { - panic(err) - } + // Convert the data to json + jsonData, jsonMarshalerError := json.Marshal(treeArray[treeindex]) + if jsonMarshalerError != nil { + panic(jsonMarshalerError) + } - fmt.Println(response) + // print the jsonData to the ResponseWriter + _, printTreeErr := fmt.Fprintf(w, "%v\n", string(jsonData)) + if printTreeErr != nil { + panic(printTreeErr) } } @@ -168,11 +183,12 @@ func main() { router := mux.NewRouter() router.HandleFunc("/", indexHandler).Methods("GET") - router.HandleFunc("/api/v1/new", newTreeHandler).Methods("POST") - router.HandleFunc("/api/v1/printall", printAllHandler).Methods("GET") - router.HandleFunc("/api/v1/insert/{treeindex}", insertStarHandler).Methods("POST") - router.HandleFunc("/api/v1/calcall/{treeindex}", calcallHandler).Methods("GET") + router.HandleFunc("/new", newTreeHandler).Methods("POST") + router.HandleFunc("/printall", printAllHandler).Methods("GET") + router.HandleFunc("/insert/{treeindex}", insertStarHandler).Methods("POST") + router.HandleFunc("/starlist/{treeindex}", starlistHandler).Methods("GET") + router.HandleFunc("/dumptree/{treeindex}", dumptreeHandler).Methods("GET") log.Println("Serving the database on port 8043: This is for local testing only, remove when done!)") - log.Fatal(http.ListenAndServe(":8043", router)) + log.Fatal(http.ListenAndServe(":80", router)) } -- cgit 1.4.1