I would also be happy with some C Tutorial :) PS: To luvit: Interesting that it is possible to use the Node basement with different languages and also that this is faster than JavaScript (because of the native c bindings?). I will follow the project and look how it will develope.
Regards, Bodo Am 11.02.2013 um 18:13 schrieb Tim Caswell <[email protected]>: > 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 <[email protected]> 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 <[email protected]>: >> >>> 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 <[email protected]> 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 >>>> >>>> >>>> -- >>>> -- >>>> Job Board: http://jobs.nodejs.org/ >>>> Posting guidelines: >>>> https://github.com/joyent/node/wiki/Mailing-List-Posting-Guidelines >>>> You received this message because you are subscribed to the Google >>>> Groups "nodejs" group. >>>> To post to this group, send email to [email protected] >>>> To unsubscribe from this group, send email to >>>> [email protected] >>>> For more options, visit this group at >>>> http://groups.google.com/group/nodejs?hl=en?hl=en >>>> >>>> --- >>>> You received this message because you are subscribed to the Google Groups >>>> "nodejs" group. >>>> To unsubscribe from this group and stop receiving emails from it, send an >>>> email to [email protected]. >>>> For more options, visit https://groups.google.com/groups/opt_out. >>> >>> >>> -- >>> -- >>> Job Board: http://jobs.nodejs.org/ >>> Posting guidelines: >>> https://github.com/joyent/node/wiki/Mailing-List-Posting-Guidelines >>> You received this message because you are subscribed to the Google >>> Groups "nodejs" group. >>> To post to this group, send email to [email protected] >>> To unsubscribe from this group, send email to >>> [email protected] >>> For more options, visit this group at >>> http://groups.google.com/group/nodejs?hl=en?hl=en >>> >>> --- >>> You received this message because you are subscribed to the Google Groups >>> "nodejs" group. >>> To unsubscribe from this group and stop receiving emails from it, send an >>> email to [email protected]. >>> For more options, visit https://groups.google.com/groups/opt_out. >> >> -- >> -- >> Job Board: http://jobs.nodejs.org/ >> Posting guidelines: >> https://github.com/joyent/node/wiki/Mailing-List-Posting-Guidelines >> You received this message because you are subscribed to the Google >> Groups "nodejs" group. >> To post to this group, send email to [email protected] >> To unsubscribe from this group, send email to >> [email protected] >> For more options, visit this group at >> http://groups.google.com/group/nodejs?hl=en?hl=en >> >> --- >> You received this message because you are subscribed to the Google Groups >> "nodejs" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to [email protected]. >> For more options, visit https://groups.google.com/groups/opt_out. > > -- > -- > Job Board: http://jobs.nodejs.org/ > Posting guidelines: > https://github.com/joyent/node/wiki/Mailing-List-Posting-Guidelines > You received this message because you are subscribed to the Google > Groups "nodejs" group. > To post to this group, send email to [email protected] > To unsubscribe from this group, send email to > [email protected] > For more options, visit this group at > http://groups.google.com/group/nodejs?hl=en?hl=en > > --- > You received this message because you are subscribed to the Google Groups > "nodejs" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > For more options, visit https://groups.google.com/groups/opt_out. > > -- -- Job Board: http://jobs.nodejs.org/ Posting guidelines: https://github.com/joyent/node/wiki/Mailing-List-Posting-Guidelines You received this message because you are subscribed to the Google Groups "nodejs" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/nodejs?hl=en?hl=en --- You received this message because you are subscribed to the Google Groups "nodejs" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/groups/opt_out.
