+/*
+ * Copyright (C) 2017-2019 "IoT.bzh"
+ * Author: José Bollo <jose.bollo@iot.bzh>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
AFB = function(base, initialtoken){
-var urlws = "ws://"+window.location.host+"/"+base;
-var urlhttp = "http://"+window.location.host+"/"+base;
+if (typeof base != "object")
+ base = { base: base, token: initialtoken };
+
+var initial = {
+ base: base.base || "api",
+ token: initialtoken || base.token || URLSearchParams(window.location.search).get('token') || "HELLO",
+ host: base.host || window.location.host,
+ url: base.url || undefined
+};
+
+var urlws = initial.url || "ws://"+initial.host+"/"+initial.base;
/*********************************************/
/**** ****/
var AFB_context;
{
var UUID = undefined;
- var TOKEN = initialtoken;
+ var TOKEN = initial.token;
var context = function(token, uuid) {
this.token = token;
var CALL = 2;
var RETOK = 3;
var RETERR = 4;
+ var EVENT = 5;
var PROTO1 = "x-afb-ws-json1";
- AFB_websocket = function(onopen, onabort) {
- this.ws = new WebSocket(urlws, [ PROTO1 ]);
+ AFB_websocket = function(on_open, on_abort) {
+ var u = urlws, p = '?';
+ if (AFB_context.token) {
+ u = u + '?x-afb-token=' + AFB_context.token;
+ p = '&';
+ }
+ if (AFB_context.uuid)
+ u = u + p + 'x-afb-uuid=' + AFB_context.uuid;
+ this.ws = new WebSocket(u, [ PROTO1 ]);
+ this.url = u;
this.pendings = {};
+ this.awaitens = {};
this.counter = 0;
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;
+ this.onopen = on_open;
+ this.onabort = on_abort;
}
function onerror(event) {
if (f) {
delete this.onopen;
delete this.onabort;
- f && f(this);
+ f(this);
}
this.onerror && this.onerror(this);
}
}
function onclose(event) {
+ var err = {
+ jtype: 'afb-reply',
+ request: {
+ status: 'disconnected',
+ info: 'server hung up'
+ }
+ };
for (var id in this.pendings) {
- var ferr = this.pendings[id].onerror;
- ferr && ferr(null, this);
+ try { this.pendings[id][1](err); } catch (x) {/*NOTHING*/}
}
this.pendings = {};
this.onclose && this.onclose();
}
+ function fire(awaitens, name, data) {
+ var a = awaitens[name];
+ if (a)
+ a.forEach(function(handler){handler(data);});
+ var i = name.indexOf("/");
+ if (i >= 0) {
+ a = awaitens[name.substring(0,i)];
+ if (a)
+ a.forEach(function(handler){handler(data);});
+ }
+ a = awaitens["*"];
+ if (a)
+ a.forEach(function(handler){handler(data);});
+ }
+
+ function reply(pendings, id, ans, offset) {
+ if (id in pendings) {
+ var p = pendings[id];
+ delete pendings[id];
+ try { p[offset](ans); } catch (x) {/*TODO?*/}
+ }
+ }
+
function onmessage(event) {
var obj = JSON.parse(event.data);
var code = obj[0];
var id = obj[1];
var ans = obj[2];
AFB_context.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;
+ reply(this.pendings, id, ans, 0);
+ break;
case RETERR:
+ reply(this.pendings, id, ans, 1);
+ break;
+ case EVENT:
default:
- pend && pend.onerror && pend.onerror(ans, this);
- break;
+ fire(this.awaitens, id, ans);
+ break;
}
}
function close() {
this.ws.close();
+ this.ws.onopen =
+ this.ws.onerror =
+ this.ws.onclose =
+ this.ws.onmessage =
+ this.onopen =
+ this.onabort = function(){};
+ }
+
+ function call(method, request, callid) {
+ return new Promise((function(resolve, reject){
+ var id, arr;
+ if (callid) {
+ id = String(callid);
+ if (id in this.pendings)
+ throw new Error("pending callid("+id+") exists");
+ } else {
+ do {
+ id = String(this.counter = 4095 & (this.counter + 1));
+ } while (id in this.pendings);
+ }
+ this.pendings[id] = [ resolve, reject ];
+ arr = [CALL, id, method, request ];
+ if (AFB_context.token) arr.push(AFB_context.token);
+ this.ws.send(JSON.stringify(arr));
+ }).bind(this));
}
- 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 (AFB_context.token) arr.push(AFB_context.token);
- this.ws.send(JSON.stringify(arr));
+ function onevent(name, handler) {
+ var id = name;
+ var list = this.awaitens[id] || (this.awaitens[id] = []);
+ list.push(handler);
}
AFB_websocket.prototype = {
close: close,
- call: call
+ call: call,
+ onevent: onevent
};
}
/*********************************************/
Code Review / src / app-framework-binder.git / blobdiff