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/* <copyright>
This file contains proprietary software owned by Motorola Mobility, Inc.<br/>
No rights, expressed or implied, whatsoever to this software are provided by Motorola Mobility, Inc. hereunder.<br/>
(c) Copyright 2011 Motorola Mobility, Inc. All Rights Reserved.
</copyright> */
/*
* Simple socket connection discovery and management
*/
g_connectionManager = null;
function CreateSocket(url, listenList, connectedList, messageHandler, socketID, openHandler, closeHandler)
{
var ws = new WebSocket(url);
ws.listenIndex = socketID;
ws.onmessage = messageHandler;
ws.connectedList = connectedList;
ws.listenList = listenList;
// make up a flag
ws.rdge_isConnected = false;
ws.rdge_tryDisconnect = false;
if (openHandler)
{
ws.addEventListener("open", openHandler);
}
if (closeHandler)
{
ws.addEventListener("close", closeHandler);
ws.addEventListener("error", closeHandler);
}
ws.onopen = function(evt)
{
var websocket = evt.srcElement;
document.getElementById("socketConnection").innerHTML += "connected: " + websocket.URL +"</br>";
websocket.rdge_isConnected = true;
websocket.connectedList.push(ws);
// save the connected array index of this item
ws.connectedIndex = websocket.connectedList.length - 1;
}
ws.onerror = function(event)
{
window.console.log("error: " + event);
}
ws.onclose = function(evt)
{
var websocket = evt.srcElement;
websocket.rdge_isConnected = false;
// send disconnect message
websocket.send("type=srv\nmsg=2\n");
// remove from connected sockets
websocket.connectedList[websocket.connectedIndex, 1];
// re-open port for listening
//websocket.listenList[websocket.listenIndex] = new WebSocket(websocket.URL.toString());
//document.getElementById("socketConnection").innerHTML += "disconnected: " + websocket.URL +"</br>";
}
return ws;
}
// The DCHP range on Whitney 10.0.0.1 - 10.0.0.254
/*
* manages a connection
* @param base: base url minus the last octet (ie "ws://192.168.1.")
* @param startAddr: the last octect of the beginning address range (ie 10.0.0.x where x is the value passed in for startAddr)
* @param endAddr: the last octect of the end address range (ie 10.0.0.x where x is the value passed in for endAddr)
* @param messageHandlerFunc: handle to onMessage function
*/
function ConnectionPool(base, startAddr, endAddr, messageHandlerFunc)
{
this.start = startAddr;
this.end = endAddr;
this.port = 38951;
this.messageHandler = messageHandlerFunc;
this.listenSockets = [];
this.connectedSockets = [];
this.openHandler = null;
this.closeHandler = null;
this.interval = null;
this.Init = function(openHandler, closeHandler)
{
// emtpy out lists
this.listenSockets = [];
this.connectedSockets = [];
this.openHandler = openHandler;
this.closeHandler = closeHandler;
var len = this.end - this.start;
for (var i = 0; i < len; ++i)
{
var url = base + (this.start + i) + ":" + this.port + "/resourcePath";
var ws = CreateSocket(url, this.listenSockets, this.connectedSockets, this.messageHandler, i, this.openHandler, this.closeHandler);
this.listenSockets.push(ws);
}
this.interval = setInterval(ConnPoll, 200);
}
this.Shutdown = function()
{
if(this.interval != null)
{
clearInterval(this.interval);
this.interval = null;
}
var len = this.connectedSockets.length;
for (var i = 0; i < len; ++i)
{
// send disconnect message
this.connectedSockets[i].send("type=srv\nmsg=2\n");;
}
}
this.Close = function(socket)
{
socket.rdge_tryDisconnect = true;
}
this.Poll = function()
{
var len =this. end - this.start;
for (var i = 0; i < len; ++i)
{
// re init the sockets to simulate broadcast
if(this.listenSockets[i].readyState == 3/*CLOSING*/ || this.listenSockets[i].readyState == 2/*CLOSING*/ || this.listenSockets[i].rdge_tryDisconnect == true)
{
if(this.listenSockets[i].rdge_tryDisconnect)
{
document.getElementById("socketConnection").innerHTML += "graceful discon: " + this.listenSockets[i].URL +"</br>";
}
this.listenSockets[i].rdge_tryDisconnect = false;
var url = base + (this.start + i) + ":" + this.port + "/resourcePath";
this.listenSockets[i].close();
this.listenSockets[i] = CreateSocket(url, this.listenSockets, this.connectedSockets, this.messageHandler, i, this.openHandler, this.closeHandler);
}
}
}
}
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