I'm a C++ newb myself, so I can't recommend any good resources.  I learned
most my libuv through porting node to lua (luvit.io), but that was all
plain C code (which I consider much easier than C++).


On Mon, Feb 11, 2013 at 10:05 AM, Bodo Kaiser <bodo.kai...@enabre.com>wrote:

> Hello,
>
> thank you for your answer!
>
> This sounds really amazing. I hope I find the resources to understand this
> some days.
>
> Could you recommend a good tutorial for learning c(++) so I can understand
> and play around with libuv (and later on understand the bindings you linked
> to)?
>
> Regards,
> Bodo
>
> Am 11.02.2013 um 16:34 schrieb Tim Caswell <t...@creationix.com>:
>
> The language itself has no I/O at all.  Even setTimeout and setInterval
> are implemented by the libuv bindings using uv_timer_t instances.  In the
> browser the language VM is bound to the browser natives and APIs.  In node,
> the language is bound to libuv and other natives that node exposes.
>
> As far as callbacks, *every* true event source must come from C somewhere.
>  JavaScript cannot create new event sources on it's own.  You can create a
> function that wraps an async source (like the uv_timer_t interface) and
> exposes a different API in javascript (like setTimeout).
>
> In node, there are bindings providing all the I/O (timers, tcp, pipes,
> tty, fs, udp, dns, etc) and some C bindings for operations that CPU
> intensive or hard to implement (http parsing, crypto, compression, etc..)
>
> For specifics, here is the C++ <-> JavaScript binding bridge for
> uv_timer_t https://github.com/joyent/node/blob/master/src/timer_wrap.cc .
>  And here is the JS API wrapper to expose this as the well known setTimeout
> interface:
> https://github.com/joyent/node/blob/master/lib/timers.js#L180-L214
>
> Hope this helps, let me know if you have more questions.  There is a lot
> going on here.
>
> -Tim Caswell
>
>
>
>
>
> On Mon, Feb 11, 2013 at 8:47 AM, Bodo Kaiser <bodo.kai...@enabre.com>wrote:
>
>> Hello,
>>
>> last weekend I asked how nodejs event loop worked and I became a great
>> link about it: http://nikhilm.github.com/uvbook/basics.html#event-loops
>>
>> Unfortunately I still got a major understanding problem about nodejs:
>> When we use some node modules which itself look like plain javascript
>> then in the background libuv has to handle them somehow (e.g. tcp sockets)
>> but how could I imagine this?
>> Does the javascript get parsed by v8 which detects defined classes and
>> informs libuv to do the tasks the overlaying tcp sockets are configured for?
>> And what is about some "normal" javascript-language callbacks (e.g.
>> setTimeout). Are they also handled by v8 or libuv?
>>
>>
>> I think I do not understand what the v8 engine does exactly and how the
>> other libs are bound into. Could somebody clarify me?
>>
>> Regards,
>> Bodo
>>
>>
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