From: Joel VanderWerf <vjoel@...>
Date: 2009-09-11T02:54:18+09:00
Subject: Re: Asynchronous http POST?

Ezra Zygmuntowicz wrote:
> 
> On Sep 9, 2009, at 10:15 PM, Ivan Shevanski wrote:
> 
>> Hey everyone, I'm new to Ruby and to the mailing list, so go easy.
>> Basically, I have to POST to a certain url, then I wait for a response.
>> The catch is that I have to do this to two urls at once. Both of them
>> may respond to me almost instantly, or they may take up to 10 seconds to
>> respond. I need to have a post to both of these running at all times to
>> catch incoming events. I will also need to post to other urls at the
>> same time that these are running. So, I need to find a way to run these
>> two posts in the background constantly. From what I've read, ruby
>> threads will hang on a command like this, since the interpreter does not
>> have control. Can anyone help (or understand) me?
>>
>> Thanks,
>> Ivan
>> -- 
>> Posted via http://www.ruby-forum.com/.
>>
> 
> 
> 
> Ivan-
> 
>     This is a perfect job for eventmachine and em-http-request. You can 
> run as many async http requests as you want without blocking and handle 
> the results with callback blocks.

In small scale cases (such as a simple client) is there any reason not 
to use threads? EM just seems like overkill for a fairly simple client.

-- 
       vjoel : Joel VanderWerf : path berkeley edu : 510 665 3407