Re: Code reviews [Was: FWTK and smap/smapd]

[ark () eltex ru]

nuqneH,

It depends on what the maximum buflen is, isn't it?

If we have a small buffer that we know does fit send queue we may
assume that if write count is not equal to expected size something
wrong happens with the socket and we may shut the connection down
diagnosing network error, am i wrong?

If the buffer size can really grow that much we need something like
net_write, sure.

YOU (Carson Gaspar) WROTE:

>  Nowadays, I have far lower expectations. I have now interviewed dozens of 
>  "UNIX network programmers", and have had _one_ person ever get this 
>  interview question correct (taken from a fwtk bug, btw):
>  
>  Given a buffer char *buf, a buffer length unsigned int buflen, and a 
>  connected TCP session on file descriptor fd, write the buffer to the file 
>  descriptor correctly, including error checking.
>  
>  And no, I didn't count syntax errors against them. All I wanted was 2 
>  pieces of symantic understanding to be present. Only one person got both of 
>  them. Two people got one of the 2. The rest failed miserably.
>  
>  (Oh, and if you want the answer, I suggest you read the late Stevens' UNIX 
>  Network Programming, and look at net_write().)


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