func NewHttp() *Http {
return &Http{
Txns: util.NewBroadcast(),
reqGauge: metrics.NewGauge(),
reqMeter: metrics.NewMeter(),
reqTimer: metrics.NewTimer(),
}
}
func NewController() *Controller {
ctl := &Controller{
Updates: util.NewBroadcast(),
Cmds: make(chan Command),
Wait: new(sync.WaitGroup),
Shutdown: make(chan int),
}
return ctl
}
// public interface
func NewController() *Controller {
ctl := &Controller{
Logger: log.NewPrefixLogger("controller"),
updates: util.NewBroadcast(),
cmds: make(chan command),
views: make([]mvc.View, 0),
state: make(chan mvc.State),
}
return ctl
}
func NewWebView(ctl *ui.Controller, state ui.State, port int) *WebView {
v := &WebView{
wsMessages: util.NewBroadcast(),
}
switch p := state.GetProtocol().(type) {
case *proto.Http:
NewWebHttpView(v, ctl, p)
}
http.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
http.Redirect(w, r, "/http/in", 302)
})
http.HandleFunc("/_ws", func(w http.ResponseWriter, r *http.Request) {
conn, err := websocket.Upgrade(w, r.Header, nil, 1024, 1024)
if err != nil {
http.Error(w, "Failed websocket upgrade", 400)
log.Warn("Failed websocket upgrade: %v", err)
return
}
msgs := v.wsMessages.Reg()
defer v.wsMessages.UnReg(msgs)
for m := range msgs {
err := conn.WriteMessage(websocket.OpText, m.([]byte))
if err != nil {
// connection is closed
break
}
}
})
http.HandleFunc("/static/", func(w http.ResponseWriter, r *http.Request) {
parts := strings.Split(r.URL.Path, "/")
name := parts[len(parts)-1]
fn, ok := static.AssetMap[name]
if !ok {
http.NotFound(w, r)
return
}
w.Write(fn())
})
log.Info("Serving web interface on localhost:%d", port)
go http.ListenAndServe(fmt.Sprintf(":%d", port), nil)
return v
}
func NewWebView(ctl mvc.Controller, addr string) *WebView {
wv := &WebView{
Logger: log.NewPrefixLogger("view", "web"),
wsMessages: util.NewBroadcast(),
ctl: ctl,
}
// for now, always redirect to the http view
http.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
http.Redirect(w, r, "/http/in", 302)
})
// handle web socket connections
http.HandleFunc("/_ws", func(w http.ResponseWriter, r *http.Request) {
conn, err := websocket.Upgrade(w, r, nil, 1024, 1024)
if err != nil {
http.Error(w, "Failed websocket upgrade", 400)
wv.Warn("Failed websocket upgrade: %v", err)
return
}
msgs := wv.wsMessages.Reg()
defer wv.wsMessages.UnReg(msgs)
for m := range msgs {
err := conn.WriteMessage(websocket.TextMessage, m.([]byte))
if err != nil {
// connection is closed
break
}
}
})
// serve static assets
http.HandleFunc("/static/", func(w http.ResponseWriter, r *http.Request) {
// buf, err := assets.Asset(path.Join("assets", "client", r.URL.Path[1:]))
buf, err := ioutil.ReadFile(path.Join("assets", "client", r.URL.Path[1:]))
if err != nil {
wv.Warn("Error serving static file: %s", err.Error())
http.NotFound(w, r)
return
}
w.Write(buf)
})
wv.Info("Serving web interface on %s", addr)
wv.ctl.Go(func() { http.ListenAndServe(addr, nil) })
return wv
}
func NewTermView(ctl mvc.Controller) *TermView {
// initialize terminal display
termbox.Init()
w, _ := termbox.Size()
v := &TermView{
ctl: ctl,
updates: ctl.Updates().Reg(),
redraw: util.NewBroadcast(),
flush: make(chan int),
shutdown: make(chan int),
Logger: log.NewPrefixLogger("view", "term"),
area: NewArea(0, 0, w, 10),
}
ctl.Go(v.run)
ctl.Go(v.input)
return v
}