From: Johan Dahl <Johan.Dahl@...>
Date: 2001-07-10T08:10:26+09:00
Subject: [ruby-talk:17563] Re: writing arbitrary data to a socket

>Continuing my investigations into my Ruby network hardware emulator, 
>is there a
>reasonable way to write essentially arbitrary data to a socket? 
>What I want to
>be able to do is write data consisting of something like the following:
>
>typedef struct all_thing {
>	uint32_t	a;
>	uint8_t		b;
>	uint8_t		c;
>	int8_t		d;
>	uint8_t		e;
>	uint32_t	f;
>	uint64_t	g;
>	char_t		data[0];
>} thing;
>
>where the final member is an arbitrarily long sequence of characters.
>
>Do I need to convert my data to a string of ASCII characters in order to write
>this struct to a socket?
>

Hi

Use the methods described on these pages to pack arrays and uppack 
strings (of binary data(



http://www.rubycentral.com/book/ref_c_string.html#unpack

http://www.rubycentral.com/book/ref_c_array.html#pack

With regards,

		Johan Dahl


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-- 
Johan Dahl, Research Engineer
Department of Linguistics and Phonetics, Lund University
Address: Helgonabacken 12, 223 62 Lund, SWEDEN
Tel: +46-(0)46-2228443 Fax: +46-(0)46-2224210
E-mail: mailto:Johan.Dahl@ling.lu.se
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