I am definitely using a particular library, ws.
Is the sockets.push(ws) a valid command for that? I could not find it
anywhere?
Thanks,
Ray
On Sunday, February 21, 2016 at 9:56:05 PM UTC-5, Christopher Mina wrote:
> Hi Ray.
>
> You'll want to keep a reference to each web socket created (in an array or
> object hash) and a property on your server or in a database to track the
> number of active sessions. When a new connection is made (or closed), you
> will increment / decrement the count and then send a message event through
> each socket to the client. The client will be listening for that event (eg
> "count_changed") and when the event comes through, it will read the new
> count off the data payload of the event and render it to the screen.
>
> I'm not sure if I'm answering your question or not. Maybe you are asking
> specifically about the particular library you're using? It seems to me, the
> confusion may just be in how you maintain a reference to each open web
> socket.
>
> For instance :
>
> var sockets = [];
> *wss.on('connection', function(ws) {*
>
> * sockets.push(ws);*}
>
> You can now reference any socket created via this array. You'll want to
> ensure you are removing disconnected sockets as well, by listening for a
> disconnect event.
>
> Hopefully this helps.
> Chris
>
>
> On Sunday, February 21, 2016, Ray [email protected] <javascript:>> wrote:
>
>> Thanks for the reply Chris.
>>
>> One of the confusions I am having is trying to impliment something
>> written for socket.io to use in ws.
>>
>> But that said, I do have code to get the authkey, but I am confused how
>> the authkey can be used to access the webpage?
>>
>> So for code, I have:
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>> *function nextUniqueId() { idCounter++; return
>> idCounter.toString();}wss.on('connection', function(ws) { var
>> sessionId = nextUniqueId(); console.log('Connection received with
>> sessionId ' + sessionId); var id =
>> ws.upgradeReq.headers['sec-websocket-key']; console.log('New
>> Connection id : : ', id);*So sessionid just counts the number of users,
>> which is what I want to display on all user pages.
>>
>> Right now, each user webpage is only showing what the total user count is
>> when the user created the ws.
>> (1,2,3,4, etc). So the first user is showing 1, the second user is
>> showing 2, and so on,
>>
>> So I am confused on how the var id above can be used to send data to a
>> particular webpage (websocket)?
>>
>>
>> Thanks,
>>
>> Ray
>>
>>
>>
>> On Saturday, February 20, 2016 at 11:48:55 PM UTC-5, Christopher Mina
>> wrote:
>>>
>>> Sorry about that half finished post, my last post was sent prematurely...
>>>
>>> What I was getting at is that I now have access to the authkey during
>>> the setup phase. I can use this auth key to query the database for
>>> information about that user and store it. Now I have a way to directly
>>> associated the incoming websocket with a specific user.
>>>
>>> I'll now store the actual websocket instances in one or more hash maps,
>>> and when I need to, for instance, send a single user some information, i
>>> can query that websocket via the socketUserId hash map. Or if I want to
>>> send everyone a message, I'll loop through a list where I keep a reference
>>> to all sockets, and send each one the message individually. This is just
>>> one way of doing it. There are other more appropriate pub/sub mechanisms
>>> as well you could investigate.
>>>
>>> Hopefully that helps a little bit.
>>> -Chris
>>>
>>>
>>> On Saturday, February 20, 2016 at 7:26:54 PM UTC-7, Ray Jender wrote:
>>>>
>>>>
>>>> Please bear with me as I am new to websockets.
>>>>
>>>> So, my problem is keeping track of websocket instances.
>>>> I am trying to modify some existing open source javascript code.
>>>>
>>>> I have server.js, index.js and index.html files. As with any website,
>>>> it could have many users browsing the page. There is only a single
>>>> webpage.
>>>>
>>>> The basic operation is: index.html --> index.js --> server.js -->
>>>> index.js
>>>>
>>>> What I am having a hard time wrapping my head around is associating the
>>>> websocket with the browser. What I want to do is be able to update
>>>> each webpage with the number of users. I have googled tons of sites but
>>>> I am still very confused on how this should work.
>>>>
>>>> I've seen a thing like ws.broadcast, but I am having a hard time
>>>> trying to
>>>> implement that. It seems that the way the opensource code I am using
>>>> initializes
>>>> websockets way different than the examples I am seeing.
>>>>
>>>> I am using node v0.10.42, npm 1.4.29, express 4.12.4, minimist 1.1.1,
>>>> ws 0.7.2, bower 1.4.1
>>>>
>>>> I need a tutor to help me through this! Care to volunteer? I would
>>>> be so appreciative!!!
>>>>
>>>> Thanks,
>>>>
>>>> Ray
>>>>
>>>>
>>>> --
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> --
> Christopher Mina
>
> Live Healthy. Work Hard. Be Kind. Gain Success.
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