write unsigned integer 32 bits to socket

[rkmr.em@gmail.com]

hi
i want to send unsigned 32 bit integer to socket, and looking for
something equivalent to this method...

http://livedocs.adobe.com/flex/2/lan...teUnsignedInt()

is there such method / library available in python?!


this is as far as i have gotten along

>>s = socket.socket(s ocket.AF_INET, socket.SOCK_STR EAM)
>>s.connect(('1 27.0.0.1',3000) )

[Larry Bates]

Re: write unsigned integer 32 bits to socket

rkmr.em@gmail.c om wrote:

hi
i want to send unsigned 32 bit integer to socket, and looking for
something equivalent to this method...
>
http://livedocs.adobe.com/flex/2/lan...teUnsignedInt()
>
is there such method / library available in python?!
>
>
this is as far as i have gotten along

>>>s = socket.socket(s ocket.AF_INET, socket.SOCK_STR EAM)
>>>s.connect((' 127.0.0.1',3000 ))

You will need to use struct module to build the 4 byte value and then send it.

Something like (not tested):

import struct
us32bit = struct.pack("I" , value)
s.send(us32bit)

-Larry

[rkmr.em@gmail.com]

Re: write unsigned integer 32 bits to socket

On Sun, Jul 27, 2008 at 7:01 PM, Larry Bates <larry.bates@we bsafe.com`wrote :

rkmr.em@gmail.c om wrote:

>i want to send unsigned 32 bit integer to socket, and looking for
>something equivalent to this method...
>http://livedocs.adobe.com/flex/2/lan...teUnsignedInt()
>>
>is there such method / library available in python?!

You will need to use struct module to build the 4 byte value and then send
it.
>
Something like (not tested):
>
import struct
us32bit = struct.pack("I" , value)
s.send(us32bit)

thanks a lot!!!

just to make sure if I want 32 bit or 4 bytes then should I use the
short or integer or long?

this is short

>>struct.pack(' !h',3)

'\x00\x03'

this is integer

>>struct.pack(' !i',3)

'\x00\x00\x00\x 03'

this is long

>>struct.pack(' !l',3)

'\x00\x00\x00\x 03'

[Larry Bates]

Re: write unsigned integer 32 bits to socket

rkmr.em@gmail.c om wrote:

On Sun, Jul 27, 2008 at 7:01 PM, Larry Bates <larry.bates@we bsafe.com`wrote :

>rkmr.em@gmail.c om wrote:

>>i want to send unsigned 32 bit integer to socket, and looking for
>>something equivalent to this method...
>>http://livedocs.adobe.com/flex/2/lan...teUnsignedInt()
>>>
>>is there such method / library available in python?!

>You will need to use struct module to build the 4 byte value and then send
>it.
>>
>Something like (not tested):
>>
>import struct
>us32bit = struct.pack("I" , value)
>s.send(us32bit )

>
thanks a lot!!!
>
just to make sure if I want 32 bit or 4 bytes then should I use the
short or integer or long?
>
this is short

>>>struct.pack( '!h',3)

'\x00\x03'
>
this is integer

>>>struct.pack( '!i',3)

'\x00\x00\x00\x 03'
>
this is long

>>>struct.pack( '!l',3)

'\x00\x00\x00\x 03'

Short is 16 bits, Integer is 32 bits, long is 64 bits (as I read and have found).

-Larry

[rkmr.em@gmail.com]

Re: write unsigned integer 32 bits to socket

On Sun, Jul 27, 2008 at 7:17 PM, Larry Bates <larry.bates@we bsafe.com`wrote :

rkmr.em@gmail.c om wrote:

>On Sun, Jul 27, 2008 at 7:01 PM, Larry Bates <larry.bates@we bsafe.com`>
>wrote:

>>rkmr.em@gmail.c om wrote:
>>>i want to send unsigned 32 bit integer to socket, and looking for
>>>something equivalent to this method...
>>>>
>>>http://livedocs.adobe.com/flex/2/lan...teUnsignedInt()
>>>>
>>>is there such method / library available in python?!
>>>
>>You will need to use struct module to build the 4 byte value and then
>>send
>>it.
>>>
>>Something like (not tested):
>>>
>>import struct
>>us32bit = struct.pack("I" , value)
>>s.send(us32bi t)

>>
>thanks a lot!!!
>>
>just to make sure if I want 32 bit or 4 bytes then should I use the
>short or integer or long?
>>
>this is short

>>>>>
>>>>struct.pack ('!h',3)

>>
>'\x00\x03'
>>
>this is integer

>>>>>
>>>>struct.pack ('!i',3)

>>
>'\x00\x00\x00\ x03'
>>
>this is long

>>>>>
>>>>struct.pack ('!l',3)

>>
>'\x00\x00\x00\ x03'

>
Short is 16 bits, Integer is 32 bits, long is 64 bits (as I read and have
found).

thanks a lot!!! re-read it again!!!

from the struct doc!
Standard size and alignment are as follows: no alignment is required
for any type (so you have to use pad bytes); short is 2 bytes; int and
long are 4 bytes; long long (__int64 on Windows) is 8 bytes; float and
double are 32-bit and 64-bit IEEE floating point numbers,
respectively.