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Am Mittwoch, 19. Juni 2002 11:24 schrieb rkgupta:
> Hi,
>
> I am using SCTP socket C Api to use SCTP stack. In ext_socket.h file, two
> api (bind and bindx) are used for binding the SCTP socket.
>
> I understood that bind is used to bind one IP address and bindx is for one
> or more IP address. The second parameter in bindx api is type of struct
> sockaddr_storage. There is no test program in socket_programs dir. that
> uses bindx api.
>
> I am not able to understand how to use bindx api. Can someone give the idea
> about bindx ??

Hi Rajesh K Gupta,

the ext_bindx() function is defined as follows:
int ext_bindx(int sockfd,
struct sockaddr_storage* addrs,
int addrcnt,
int flags);

Example:

struct sockaddr_in ipv4;
struct sockaddr_in6 ipv6_1;
struct sockaddr_in6 ipv6_2
struct sockaddr_storage addresses[3];
...
Initialize ipv4, ipv6_1 and ipv6_2
...
/* sockaddr_storage is a structure that ensures that it has at least the
size to store the longest possible sockaddr_* structure. Now, simply copy
the addresses to the sockaddr_storage array. */
memcpy((void*)&addresses[0],(void*)&ipv4,sizeof(ipv4));
memcpy((void*)&addresses[1],(void*)&ipv6_1,sizeof(ipv6_1));
memcpy((void*)&addresses[2],(void*)&ipv6_2,sizeof(ipv6_2));

result = ext_bindx(sockfd,(struct
sockaddr_storage*)&addresses,3,SCTP_BINDX_ADD_ADDR);


Best regards
- --
=======================================================================
Dipl.-Inform. Thomas Dreibholz

University of Essen, Room ES210
Inst. for Experimental Mathematics Ellernstraße 29
Computer Networking Technology Group D-45326 Essen/Germany
- -----------------------------------------------------------------------
E-Mail:
dreibh AT exp-math.uni-essen.de
Homepage: http://www.exp-math.uni-essen.de/~dreibh
=======================================================================

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• [SCTP-Discussion] Bug in ext_select ?, 신희섭, 06/18/2002
  • <Possible follow-up(s)>
  • RE: [SCTP-Discussion] Bug in ext_select ?, Tuexen Michael, 06/18/2002
    • [SCTP-Discussion] How to use bindx api given in ext_socket.h file, rkgupta, 06/19/2002
      • Re: [SCTP-Discussion] How to use bindx api given in ext_socket.h file, Thomas Dreibholz, 06/19/2002

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