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<small_duck>
hi!
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<small_duck>
I'm looking for help over ocaml sockets
<jourdechance>
coin coin
<small_duck>
o<
<small_duck>
In fact, I'm trying to send binary data over a socket
<small_duck>
but since I'd like to get the data on the other side from a C++ app, I cannot use marshal my data
<ronwalf>
and you have to do it as binary data?
<small_duck>
well, no...
<small_duck>
I'm just affraid about performances
<small_duck>
turning an int into a string at one side
<small_duck>
sending it
<small_duck>
and turning it back to an int at the other side
<small_duck>
well, more about network performances, in fact
<small_duck>
maybe if I could compress my string...
<ronwalf>
What is this for?
<small_duck>
a RPG server
<small_duck>
I'm still hesitating between C++ and OCaML, for the server...
<ronwalf>
Common practice is to leave the protocol text based until performance requirements demand otherwise
<ronwalf>
well, a common practice anyway
<ronwalf>
Just make the transport modular
<ronwalf>
I'd hate to have a server in C++...
<small_duck>
why? :)
<ronwalf>
Well, I'd hate to have anything in C++ :)
<small_duck>
but, yeah, I think you're right: keeping it text based for the moment should do the trick
<ronwalf>
But buffer overflows and memory management are big issues
<small_duck>
that's right
<small_duck>
But since I'm not alone on this development, I cannot do the server with OCaML :(
<small_duck>
na
<small_duck>
the client
<small_duck>
the server, that's my part, so basically, I do what I want with it
<ronwalf>
In some ways, the client is easier
<ronwalf>
It's not as long running
<small_duck>
yep, less problems with memory leaks
<ronwalf>
but you should still not leave them with buffer overflows
<small_duck>
I try to be careful.
<small_duck>
Just have to loose my habits from pure C
<small_duck>
Well, thanks for these advices
<small_duck>
I'll stick to pure strings!
<small_duck>
bye all
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<ita>
hi all
<ita>
has anyone ever thought of a compiler output (warning, errors..) in colors ?
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<mflux>
doubtful, considering the toplevel doesn't have command line editor ;)
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<mflux>
I must say, graphviz is damn useful tool when writing binary trees ;)
<whee>
graphviz is great
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<Hadaka>
is there some library that might help me in parsing a nasty binary file structure with lots of 32-bit longs and char flags and relative offsets into files and structures?
<ronwalf>
int32 might help...
<Hadaka>
well, obviously :)
<ronwalf>
Somebody had a similar question a day or so ago
<ronwalf>
Unfortunately, I had no better answer :)
<Hadaka>
well, I guess I shall just wrap my own funs
<Hadaka>
thanks anyway
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<Hadaka>
okay, there _has_ to be a library for this
<Hadaka>
I could find functions for reading and writing Int32's out of buffers
<Hadaka>
humps here we come
<Hadaka>
(I wonder if extlib has some)
<CosmicRay>
how does one get listed on the humps anyway
<CosmicRay>
I have tried about three different times and nothing ever happens
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<Hadaka>
woo, extlib to the rescue
<Hadaka>
it has, um, generic IO interface, which does int32 input and output
<Hadaka>
...but the interface does not offer seeks, and in addition to that, I most likely need to use buffers to handle it all
<Hadaka>
so sigh...
<Hadaka>
but I will be using extlib from now on it seems - it even does zlib!
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<mellum>
Hadaka: no, it doesn't, it implements its own deflate
<CosmicRay>
err, its own inflate, right/
<CosmicRay>
it doesn't compress yet
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<Hadaka>
mellum: inflate, right - I just meant that it can decompress what zlib produces without depending on zlib :)
<Hadaka>
which is _just_ what I need
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<mflux>
I must say it turned out to be lots less work to write balanced rb-trees with ocaml than it was with c++
<Hadaka>
mflux: I hope that was an exercise or a test :)
<mflux>
the c++-version was, this was sort of a test which I will use later ;)
<mflux>
hmh, not a test as in I would neet to return it
<mflux>
but rather for myself how suitable ocaml is for that sort of stuff
<mflux>
besides I bitched about the missing functions in Map -module ;)
<Hadaka>
mflux: yeah - I was just pointing to the fact that there's plenty of red-black balanced trees written in ocaml out there
<Hadaka>
for example from pagoda:
<Hadaka>
- Functional red-black binary tree (associative array).
<Hadaka>
- Functional sets and maps based on red-black binary tree.
<mflux>
I believe those are licensed under GPL
<mflux>
and I don't intend to limit myself to one license quite just yet
<Hadaka>
possible - I doubt all red-black trees around places are gpl though
<mflux>
hm, I wonder if I'm mixing that up with something else
<mflux>
I did browse through the selection on Hump
<mflux>
nope, I definitely haven't encountered pagoda before
<Hadaka>
pagoda seems to be bsd license
<Hadaka>
with the apache like requirements on presenting the notice on documentation