@Corneau The links you have pointed out doesnt show how I can retrieve
messages through websocket and tie to chars. I would stress again and say
how do i tie all this up to charts?

On Thu, Sep 8, 2016 at 12:17 AM, kant kodali <kanth...@gmail.com> wrote:

> Hi Corneau,
>
> I appreciate the responses but again I am really looking for a specific
> answer
>
> 1. "This protocol looks interesting but how do I construct messages such
> that I can see different visualizations of charts?" This question is not
> being addressed.
>
> 2. How can I use an existing interpreter and achieve my goal otherwords
> again how can I tie all this thing to charts (I just haven't heard any
> answer related to that)? If I were to write my own interpreter then I might
> as well create my own UI.
>
> It is ok if you guys say it is not possible and I would understand that
> and probably pick a different route.
>
> Thanks much,
> Kant
>
>
> On Thu, Sep 8, 2016 at 12:10 AM, Corneau Damien <cornead...@gmail.com>
> wrote:
>
>> You will probably need to make an interpreter for it, or use an existing
>> one.
>>
>> https://zeppelin.apache.org/docs/0.7.0-SNAPSHOT/manual/interpreters.html
>>
>> You will find the list of existing interpreters in the menu.
>>
>> If you do need to create one, then you can refer to this guide
>> https://zeppelin.apache.org/docs/0.7.0-SNAPSHOT/development/
>> writingzeppelininterpreter.html
>>
>> On Thu, Sep 8, 2016 at 3:56 PM, kant kodali <kanth...@gmail.com> wrote:
>>
>>> @spacewalkman Just an FYI I don't have anything to do with Spark at the
>>> moment. I just have a node.js server which is capable of websocket
>>> connections and ready to push data needed for charts.
>>>
>>> This protocol looks interesting but how do I construct messages such
>>> that I can see different visualizations of charts? I am pretty sure I have
>>> articulated my question clearly it will great if I can see a bit
>>> detailed description or a simple example.
>>>
>>> I believe that I am asking for a very simple feature.
>>>
>>> Thanks a ton,
>>> Kant
>>>
>>> On Wed, Sep 7, 2016 at 8:52 PM, spacewalk...@163.com <
>>> spacewalk...@163.com> wrote:
>>>
>>>> maybe a custom SparkStreamingInterpreter  can handle this.
>>>>
>>>> zeppelin WS protocol is defined in:
>>>>
>>>>
>>>>    1. https://github.com/apache/zeppelin/blob/master/zeppelin-zeng
>>>>    ine/src/main/java/org/apache/zeppelin/notebook/socket/Message.java
>>>>    
>>>> <https://github.com/apache/zeppelin/blob/master/zeppelin-zengine/src/main/java/org/apache/zeppelin/notebook/socket/Message.java>
>>>>
>>>>
>>>> every [c-s] message is handled by zeppelin backend, [s-c] is handled by
>>>> zeppelin frontend.All you have to do is when new streaming data is there,
>>>> triigger a [s-c] message from backend, a frontend event handler may also
>>>> required.
>>>>
>>>>
>>>> 在 2016年9月8日,11:39,kant kodali <kanth...@gmail.com> 写道:
>>>>
>>>> ok here is a concrete example. I am still trying to connect the
>>>> dots..If I were to split Zeppelin as both front end and backend then I
>>>> wouldn't choose to use Zeppelin in the first place. The main motivation for
>>>> me to explore Zeppelin is that I don't have to spend time developing
>>>> different visualiztions. I have used tableau before I see Zeppelin to be
>>>> similar in some ways. ok now here is the problem I am trying to solve and
>>>> any help I can get will be great!
>>>>
>>>> say I am trying to build a time series graph(bar graph or whatever
>>>> works) where my x axis represent time and y axis represent total number of
>>>> transactions and say every second I get updates through web socket from my
>>>> server and I need the graph to be updated every second. thats it.
>>>>
>>>> please let me know if that is feasible.
>>>>
>>>> Thanks,
>>>> Kant
>>>>
>>>> On Wed, Sep 7, 2016 at 6:59 PM, spacewalk...@163.com <
>>>> spacewalk...@163.com> wrote:
>>>>
>>>>> i thought it was a separating zeppelin backend and frontend problem,
>>>>> but what @corneadoug say is a high-level WS description, maybe i
>>>>> misinterpretation @kant kodali’s issue
>>>>>
>>>>>
>>>>> 在 2016年9月8日,09:48,Corneau Damien <cornead...@gmail.com> 写道:
>>>>>
>>>>> This change wouldn't solve your issue, it is the address where the
>>>>> front-end send his API requests and listen to WS (zeppelin server)
>>>>> I guess your requirements are different.
>>>>>
>>>>> The way Zeppelin works is usually pretty simple:
>>>>>
>>>>> 1) You type your code in the front-end
>>>>> 2) That code is sent to Zeppelin server to be run
>>>>> 3) The server send it to the right processing engine
>>>>> 4) Processing engine send back the result
>>>>> 5) Zeppelin Server send a websocket event
>>>>> 6) Front-end show whatever he receives
>>>>>
>>>>> You might be able to find a few Notebook examples on how some people
>>>>> used Spark Streaming here:
>>>>> https://www.zeppelinhub.com/viewer/showcases/Streaming
>>>>>
>>>>> On Thu, Sep 8, 2016 at 3:30 AM, kant kodali <kanth...@gmail.com>
>>>>> wrote:
>>>>>
>>>>>> Hi! Thanks for this but I still see the big picture. I have not used
>>>>>> Angular before nor I am a frontend guy. so I have the following 
>>>>>> questions.
>>>>>>
>>>>>>
>>>>>>    1. Why do we need to change the source code? isn't this
>>>>>>    configurable or isn't there a way to pass url as a parameter? If you 
>>>>>> think
>>>>>>    it is the easiest way sure I can change that.
>>>>>>    2. How change this let me grab data from my websocket server and
>>>>>>    display it with the charts/graphs (simple to graphs we see when we 
>>>>>> run sql
>>>>>>    on Zeppelin notebook)
>>>>>>    3. if there is a simple example that would be awesome.
>>>>>>
>>>>>> Thanks again!
>>>>>>
>>>>>>
>>>>>>
>>>>>> On Wed, Sep 7, 2016 5:05 AM, spacewalk...@163.com
>>>>>> spacewalk...@163.com wrote:
>>>>>>
>>>>>>> @kant kodali
>>>>>>>
>>>>>>> change   zeppelin-web\ src\components\baseUrl\baseUrl.service.js
>>>>>>> like this:
>>>>>>>
>>>>>>>  this.getWebsocketUrl = function() {
>>>>>>>     var wsProtocol = location.protocol === 'https:' ? 'wss:' : 'ws:';
>>>>>>>     return wsProtocol + ‘//your_ip_address:' + this.getPort() +
>>>>>>> skipTrailingSlash(location.pathname) + '/ws';
>>>>>>>   };
>>>>>>>
>>>>>>>   this.getRestApiBase = function() {
>>>>>>>     return location.protocol + '//your_ip_address:' +
>>>>>>> this.getPort() + skipTrailingSlash(location.pathname) +
>>>>>>>       '/api';
>>>>>>>   };
>>>>>>>
>>>>>>> 在 2016年9月7日,15:39,kant kodali <kanth...@gmail.com> 写道:
>>>>>>>
>>>>>>> HI Guys,
>>>>>>>
>>>>>>> I have a server which can handle websocket connections. Now I would
>>>>>>> like to see if there is a way to tell apache zeppellin to create to
>>>>>>> websocket connect to my server and display the whatever it received?
>>>>>>>
>>>>>>> Thanks,
>>>>>>> Kant
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>
>>>>>
>>>>
>>>>
>>>
>>
>

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