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-rw-r--r--htdocs/websock.js117
1 files changed, 117 insertions, 0 deletions
diff --git a/htdocs/websock.js b/htdocs/websock.js
new file mode 100644
index 0000000..c429553
--- /dev/null
+++ b/htdocs/websock.js
@@ -0,0 +1,117 @@
+
+AfbCtxItf = (function(){
+
+ var UUID = undefined;
+ var TOKEN = undefined;
+
+ function AfbCtxItf(token, uuid) {
+ this.token = token;
+ this.uuid = uuid;
+ }
+
+ AfbCtxItf.prototype = {
+ get token() {return TOKEN;},
+ set token(tok) {if(tok) TOKEN=tok;},
+ get uuid() {return UUID;},
+ set uuid(id) {if(id) UUID=id;}
+ };
+
+ return AfbCtxItf;
+})();
+
+
+AfbWsItf = (function(){
+
+ var CALL = 2;
+ var RETOK = 3;
+ var RETERR = 4;
+
+ function AfbWsItf(base, onopen, onabort, ctx) {
+ ctx = ctx || new AfbCtxItf();
+ var wl = window.location;
+ var u = "ws://"+wl.host+"/"+base;
+ if (ctx.token) {
+ u = u + '?x-afb-token=' + ctx.token;
+ if (ctx.uuid)
+ u = u + '&x-afb-uuid=' + ctx.uuid;
+ }
+ this.ws = new (WebSocket || MozWebSocket)(u, [ "x-afb-ws-json1" ]);
+ this.pendings = {};
+ this.counter = 0;
+ this.ctx = ctx;
+ this.ws.onopen = onopen.bind(this);
+ this.ws.onerror = onerror.bind(this);
+ this.ws.onclose = onclose.bind(this);
+ this.ws.onmessage = onmessage.bind(this);
+ this.onopen = onopen;
+ this.onabort = onabort;
+ }
+
+ function onerror(event) {
+ var f = this.onabort;
+ if (f) {
+ delete this.onopen;
+ delete this.onabort;
+ f && f(this);
+ }
+ this.onerror && this.onerror(this);
+ }
+
+ function onopen(event) {
+ var f = this.onopen;
+ delete this.onopen;
+ delete this.onabort;
+ f && f(this);
+ }
+
+ function onclose(event) {
+ for (var id in this.pendings) {
+ var ferr = this.pendings[id].onerror;
+ ferr && ferr(null, this);
+ }
+ this.pendings = {};
+ this.onclose && this.onclose();
+ }
+
+ function onmessage(event) {
+ var obj = JSON.parse(event.data);
+ var code = obj[0];
+ var id = obj[1];
+ var ans = obj[2];
+ this.ctx.token = obj[3];
+ var pend;
+ if (id && id in this.pendings) {
+ pend = this.pendings[id];
+ delete this.pendings[id];
+ }
+ switch (code) {
+ case RETOK:
+ pend && pend.onsuccess && pend.onsuccess(ans, this);
+ break;
+ case RETERR:
+ default:
+ pend && pend.onerror && pend.onerror(ans, this);
+ break;
+ }
+ }
+
+ function close() {
+ this.ws.close();
+ }
+
+ function call(api, verb, request, onsuccess, onerror) {
+ var id = String(++this.counter);
+ this.pendings[id] = { onsuccess: onsuccess, onerror: onerror };
+ var arr = [CALL, id, api+"/"+verb, request ];
+ if (this.ctx.token) arr.push(this.ctx.token);
+ this.ws.send(JSON.stringify(arr));
+ }
+
+ AfbWsItf.prototype = {
+ close: close,
+ call: call
+ };
+
+ return AfbWsItf;
+})();
+