Created
August 13, 2014 12:37
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WebSocket Texture Sythesis Test
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| /* | |
| * Golang okaq yamo zendo web server | |
| * Websocket texture synth | |
| * AQ <[email protected]> | |
| * 2014-06-18 | |
| */ | |
| package main | |
| import ( | |
| "log" | |
| "math/rand" | |
| "net/http" | |
| "time" | |
| "github.com/gorilla/websocket" | |
| ) | |
| const ( | |
| PORT = ":8000" | |
| ZENDO = "/home/ahmad/Documents/gira/yamo/src/zendo/zendo.html" | |
| ) | |
| var ( | |
| upg = websocket.Upgrader{ | |
| ReadBufferSize: 64, | |
| WriteBufferSize: 64, | |
| } | |
| rng = rand.New(rand.NewSource(time.Now().UnixNano())) | |
| ) | |
| func RB() int { | |
| return rng.Intn(256) | |
| } | |
| func RA() byte { | |
| return byte(97 + rng.Intn(26)) | |
| } | |
| func RS(n int) []byte { | |
| b := make([]byte, n) | |
| for i := 0; i < n; i++ { | |
| b[i] = RA() | |
| } | |
| return b | |
| } | |
| func ZendoHandler(w http.ResponseWriter, r *http.Request) { | |
| // log.Println(r) | |
| http.ServeFile(w, r, ZENDO) | |
| } | |
| func WsHandler(w http.ResponseWriter, r *http.Request) { | |
| if r.Method != "GET" { | |
| http.Error(w, "GET Method Only!", 405) | |
| return | |
| } | |
| conn, err := upg.Upgrade(w, r, nil) | |
| if err != nil { | |
| log.Println(err) | |
| return | |
| } | |
| // log.Println(conn, upg) | |
| mt, p, err := conn.ReadMessage() | |
| if err != nil { | |
| log.Println(err) | |
| } | |
| log.Println(mt, string(p)) | |
| c := time.Tick(1 * time.Second) | |
| for i := 0; i < 16; i++ { | |
| now := <-c | |
| log.Println(i, now) | |
| // rgba := []byte("rgba") | |
| // rgba := []byte{114,103,98,97} | |
| rgba := RS(16) | |
| // sends as DOM Blob | |
| conn.WriteMessage(websocket.BinaryMessage, rgba) | |
| // sends as DOM String | |
| // conn.WriteMessage(webSocket.TextMessage, rgba) | |
| } | |
| // close(c) | |
| } | |
| func main() { | |
| http.HandleFunc("/", ZendoHandler) | |
| http.HandleFunc("/ws", WsHandler) | |
| log.Fatal(http.ListenAndServe(PORT, nil)) | |
| } |
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| <!DOCTYPE html> | |
| <html lang="en"> | |
| <head id="zeta"> | |
| <title>okaq</title> | |
| <script type="text/javascript"> | |
| // ok | |
| console.log("ok zendo!"); | |
| var ws = new WebSocket("ws://localhost:8000/ws"); | |
| console.log(ws); | |
| ws.onopen = function(e) { | |
| console.log(e); | |
| ws.send("rgba: 128,128,128,1.0"); | |
| } | |
| ws.onclose = function(e) { | |
| console.log(e); | |
| } | |
| ws.onmessage = function(e) { | |
| console.log(e.data); | |
| var r = new FileReader(); | |
| r.addEventListener("loadend", function() { | |
| console.log(r.result); | |
| var b = new Uint8Array(r.result); | |
| console.log(b); | |
| var t = ""; | |
| for (var i = 0; i < b.length; i++) { | |
| t = t + String.fromCharCode(b[i]); | |
| } | |
| console.log("rgba: " + t); | |
| }); | |
| r.readAsArrayBuffer(e.data); | |
| } | |
| </script> | |
| </head> | |
| <body id="alpha"> | |
| </body> | |
| </html> |
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