diff options
| -rw-r--r-- | main.go | 156 |
1 files changed, 91 insertions, 65 deletions
diff --git a/main.go b/main.go index 5e58f1e..3c0a345 100644 --- a/main.go +++ b/main.go @@ -1,74 +1,96 @@ +// main.go purpose is to build the interaction layer in between the http endpoints and the http server +// Copyright (C) 2019 Emile Hansmaennel +// +// This program is free software: you can redistribute it and/or modify +// it under the terms of the GNU General Public License as published by +// the Free Software Foundation, either version 3 of the License, or +// (at your option) any later version. +// +// This program is distributed in the hope that it will be useful, +// but WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +// GNU General Public License for more details. +// +// You should have received a copy of the GNU General Public License +// along with this program. If not, see <https://www.gnu.org/licenses/>. + package main import ( "fmt" - "io/ioutil" + "git.darknebu.la/GalaxySimulator/structs" "log" "net/http" + "strconv" "github.com/gorilla/mux" - - "git.darknebu.la/GalaxySimulator/structs" + //"git.darknebu.la/GalaxySimulator/structs" ) -var ( - treeArray []*structs.Node - starCount []int - errorCount []int -) - -func index() string { - infostring := `Galaxy Simulator Database +func indexHandler(w http.ResponseWriter, r *http.Request) { + log.Println("[ ] The indexHandler was accessed") + _, _ = fmt.Fprintf(w, indexEndpoint()) +} -API: - - / ("GET") - - /new ("POST") - - /printall ("GET") - - /insert/{treeindex} ("POST") - - /starlist/{treeindex} ("GET") - - /dumptree/{treeindex} ("GET") +func newTreeHandler(w http.ResponseWriter, r *http.Request) { + log.Println("[ ] The newTreeHandler was accessed") - - /updatetotalmass/{treeindex} ("GET") - - /updatecenterofmass/{treeindex} ("GET") + // get the width of the most outer box of the tree by parsing http-post parameters + errParseForm := r.ParseForm() // parse the POST form + if errParseForm != nil { // handle errors + panic(errParseForm) + } - - /metrics ("GET") - - /export/{treeindex} ("POST") + // parse the width + width, _ := strconv.ParseFloat(r.Form.Get("w"), 64) - - /fastinsertjson/{filename} ("GET") - - /fastinsertlist/{filename} ("GET") + // create a new tree in the database width the given width + newTreeEndpoint(width) - - /readdir ("GET") -` - return infostring + _, _ = fmt.Fprintf(w, "OK\n") } -// indexHandler -func indexHandler(w http.ResponseWriter, r *http.Request) { - _, _ = fmt.Fprintf(w, index()) -} +func insertStarHandler(w http.ResponseWriter, r *http.Request) { + log.Println("[ ] The insertStarHandler was accessed") -// readdirHandler reads the content of a given directory and prints it -func readdirHandler(w http.ResponseWriter, r *http.Request) { - vars := mux.Vars(r) - dirname := vars["dirname"] - log.Printf("Reading from %s", dirname) - - files, err := ioutil.ReadDir(fmt.Sprintf("./%s", dirname)) - log.Println(files) - log.Println(err) - if err != nil { - fmt.Println(err) + // get the star by parsing http-post parameters + errParseForm := r.ParseForm() // parse the POST form + if errParseForm != nil { // handle errors + panic(errParseForm) } - for _, f := range files { - fmt.Println(f.Name()) - _, _ = fmt.Fprintf(w, "%v", f.Name()) + // get the star coordinates + x, _ := strconv.ParseFloat(r.Form.Get("x"), 64) + y, _ := strconv.ParseFloat(r.Form.Get("y"), 64) + vx, _ := strconv.ParseFloat(r.Form.Get("vx"), 64) + vy, _ := strconv.ParseFloat(r.Form.Get("vy"), 64) + m, _ := strconv.ParseFloat(r.Form.Get("m"), 64) + + // get the tree into which the star should be inserted into + index, _ := strconv.ParseInt(r.Form.Get("index"), 10, 64) + + // build a star + star := structs.Star2D{ + C: structs.Vec2{ + X: x, + Y: y, + }, + V: structs.Vec2{ + X: vx, + Y: vy, + }, + M: m, } + + insertStarEndpoint(star, index) +} + +func deleteStarsHandler(w http.ResponseWriter, r *http.Request) { + deleteStarsEndpoint() } -// return the amount of galaxies currently present -func nrofgalaxiesHandler(w http.ResponseWriter, r *http.Request) { - _, _ = fmt.Fprintf(w, "%d", len(treeArray)) +func deleteNodesHandler(w http.ResponseWriter, r *http.Request) { + deleteNodesEndpoint() } func main() { @@ -76,21 +98,25 @@ func main() { router.HandleFunc("/", indexHandler).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") - router.HandleFunc("/updatetotalmass/{treeindex}", updateTotalMassHandler).Methods("GET") - router.HandleFunc("/updatecenterofmass/{treeindex}", updateCenterOfMassHandler).Methods("GET") - router.HandleFunc("/metrics", metricHandler).Methods("GET") - router.HandleFunc("/export/{treeindex}", exportHandler).Methods("POST") - router.HandleFunc("/nrofgalaxies", nrofgalaxiesHandler).Methods("GET") - - router.HandleFunc("/fastinsertjson/{filename}", fastInsertJSONHandler).Methods("GET") - router.HandleFunc("/fastinsertlist/{filename}/{treeindex}", fastInsertListHandler).Methods("GET") - - router.HandleFunc("/readdir/{dirname}", readdirHandler).Methods("GET") - - fmt.Println("Database Container up") - log.Fatal(http.ListenAndServe(":80", router)) + router.HandleFunc("/insertStar", insertStarHandler).Methods("POST") + router.HandleFunc("/deleteStars", deleteStarsHandler).Methods("POST") + router.HandleFunc("/deleteNodes", deleteNodesHandler).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") + //router.HandleFunc("/updatetotalmass/{treeindex}", updateTotalMassHandler).Methods("GET") + //router.HandleFunc("/updatecenterofmass/{treeindex}", updateCenterOfMassHandler).Methods("GET") + //router.HandleFunc("/metrics", metricHandler).Methods("GET") + //router.HandleFunc("/export/{treeindex}", exportHandler).Methods("POST") + //router.HandleFunc("/nrofgalaxies", nrofgalaxiesHandler).Methods("GET") + // + //router.HandleFunc("/fastinsertjson/{filename}", fastInsertJSONHandler).Methods("GET") + //router.HandleFunc("/fastinsertlist/{filename}/{treeindex}", fastInsertListHandler).Methods("GET") + // + //router.HandleFunc("/readdir/{dirname}", readdirHandler).Methods("GET") + + fmt.Println("Database Container up on port 8081") + log.Fatal(http.ListenAndServe(":8081", router)) } |
