7 "github.com/go-chi/chi/v5"
8 "github.com/go-chi/chi/v5/middleware"
12 //create a new server and mount the handlers:
13 s := CreateNewServer()
15 //staring up the server:
16 http.ListenAndServe(":8000", s.Router)
22 //suggestion to add config settings or DB in here
25 func CreateNewServer() *server {
27 s.Router = chi.NewRouter()
31 func (s *server) MountHandlers() {
33 //Creation of the router:
34 //logging enables as a middleware
35 s.Router.Use(middleware.Logger)
36 //recover from panics and send a 500 internal error
37 s.Router.Use(middleware.Recoverer)
38 //a middleware to check if the server is alive
39 s.Router.Use(middleware.Heartbeat("/ping"))
40 //a profiler to check healt of server
41 s.Router.Mount("/debug", middleware.Profiler())
43 s.Router.NotFound(GenericHandler404)
45 s.Router.MethodNotAllowed(GenericHandler405)
48 //example of a get function and its handler
49 s.Router.Get("/example/{first}/{second:[0-9]+}", ExampleHandler)
51 //Creating subrouters:
52 //healthRouter check on the health of nodes or main server
53 healthRouter := chi.NewRouter()
54 //controllerRouter Agnostic openVswitch controller bridge
55 controllerRouter := chi.NewRouter()
56 //managementRouter Start, stop, monitoring of the core (mininet)
57 managementRouter := chi.NewRouter()
58 //mininetApiRouter Interface with the virtual environment inside the core (mininet)
59 mininetApiRouter := chi.NewRouter()
60 //might want to check https://go-chi.io/#/pages/routing?id=routing-groups
61 //in order to make groups where you have other middleware like authentication
63 //////////////////////////////////possible routing/////////////////////////////
64 //s.Router.Connect(pattern string, h http.HandlerFunc)
65 //s.Router.Delete(pattern string, h http.HandlerFunc)
66 //s.Router.Get(pattern string, h http.HandlerFunc)
67 //s.Router.Head(pattern string, h http.HandlerFunc)
68 //s.Router.Options(pattern string, h http.HandlerFunc)
69 //s.Router.Patch(pattern string, h http.HandlerFunc)
70 //s.Router.Post(pattern string, h http.HandlerFunc)
71 //s.Router.Put(pattern string, h http.HandlerFunc)
72 //s.Router.Trace(pattern string, h http.HandlerFunc)
73 ///////////////////////////////////////////////////////////////////////////////
75 //generic ryu version at first...
77 //s.Router.Get("/access", )
78 //s.Router.Get("/stats", )
79 //s.Router.Get("/topology", )
80 //s.Router.Get("/mpstat", )//DEPRECATED see: /masterHealth
81 //s.Router.Get("/ifstat", )//DEPRECATED see: /masterHealth
82 //s.Router.Get("/showtemp", )//DEPRECATED see: /masterHealth
83 //healthRouter.Get("/", )//this renders the health page "/health"
84 //healthRouter.Get("/masterHealth", )//return a JSON with healt of the master "/free"
85 //controllerRouter.Delete("/flow", )//this is an external request "/flowdel"
86 //controllerRouter.Get("/topology", )// "/gettopo"
87 //mininetApiRouter.Get("/net", )
88 //healthRouter.Get("/ping", )// "/rpiping"
89 //mininetApiRouter.Get("/nodes", )
90 //mininetApiRouter.Get("/status", )// "/statusnodes"
91 //mininetApiRouter.Get("/intfs", )
92 //mininetApiRouter.Get("/iperf", )
93 //mininetApiRouter.Get("/pingall", )
94 //mininetApiRouter.Get("/placement", )
95 //managementRouter.Get("/vscpData", )// "/getvsorcdata"
96 //managementRouter.Get("/controllerData", ) // "/getcontrollerdata"
97 //controllerRouter.Get("/resetflows", )//not sure if here or managementRouter
98 //controllerRouter.Get("/listswitch", )
99 //controllerRouter.Get("/status", )
100 //controllerRouter.Get("/tablestatus", )
101 //controllerRouter.Get("/portDescription", )// "/portsdesc"
102 //controllerRouter.Get("/portStatus", )// "/portsstat"
103 //managementRouter.Get("/startController", )// "/startcontroller"
104 //managementRouter.Get("/startcontrollerAPI", )// "/startcontrollerrouter"
105 //managementRouter.Get("/stopController", )// "/stopcontroller"
106 //mininetApiRouter.Get("/sendCommand", )// "/sendcommand"
107 //managementRouter.Get("/cancel", )// "/cancel"
108 //managementRouter.Get("/startVsorc", )// "/startvsorc"
109 //managementRouter.Get("/stopVsorc", )// "/stopvsorc"
110 //http.Handle("/", r)
112 //Mounting all of the subrouters:
113 s.Router.Mount("/health", healthRouter)
114 s.Router.Mount("/controller", controllerRouter)
115 s.Router.Mount("/management", managementRouter)
116 s.Router.Mount("/virtualAPI", mininetApiRouter)
122 //GenericHandler404 is the universal 404 response of this front end
123 func GenericHandler404(w http.ResponseWriter, r *http.Request){
125 w.Write([]byte("route does not exist"))
127 //GenericHandler405 is the universal 405 response of this front end
128 func GenericHandler405(w http.ResponseWriter, r *http.Request){
130 w.Write([]byte("Method not valid"))
132 func ExampleHandler(w http.ResponseWriter, r *http.Request) {
133 var1 := chi.URLParam(r, "first")
134 var2 := chi.URLParam(r, "second")
135 w.WriteHeader(http.StatusOK)
136 fmt.Fprintf(w, "First: %v\nSecond: %v", var1, var2)