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[RSPlib-Discusssion] ext_getpeername()


Chronological Thread 
  • From: "Marjan Bozinovski" <marjanb AT cpk.auc.dk>
  • To: <rsplib-discussion AT sctp.de>
  • Subject: [RSPlib-Discusssion] ext_getpeername()
  • Date: Sun Nov 3 13:22:01 2002
  • List-id: RSPlib Discussions <rsplib-discussion.sctp.de>
Hi Thomas,
 
In my application I need to retrieve the IP address of the peer host to which there is an existing connection identified by the socket number. As far as I know there is a function in a kernel implementation of TCP, which can accomplish this: getpeername(). The version of this function in the socketapi is: ext_getpeername().
 
Thus, I call this function as follows:
 
ext_getpeername(socket_number, (struct sockaddr *) &saddr, (socklen_t *) sizeof((struct sockaddr) saddr));
 
where
 
socket_number - the socket descriptor of the SCTP association
saddr - a structure of type sockaddr_in
 
But, as a result of the execution of the function, I get segmentation fault (core dumped).
 
Where do I make the mistake? Is there another way of finding out the peer host name or IP address by only knowing the socket number.
 
Best regards,
Marjan


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