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From: =?iso-8859-1?Q?Michael_T=FCxen?= <Michael.Tuexen@lurchi.franken.de>
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To: jyl_2006 <yilinjing2006@gmail.com>
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Cc: freebsd-net@freebsd.org
Subject: Re: the return value of sctp_connectx do not match any error
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On Dec 4, 2011, at 3:42 AM, jyl_2006 wrote:

> Sorry.The return value is -1, that means sctp_getladdrs() and
> sctp_getpaddrs() encounter an error. And the errno is set to ENOMEM.
Can you provide a test program showing this?

I changed your client and this works on a FreeBSD head system. Does it =
fail on your?

Best regards
Michael

#include <sys/errno.h>
#include <stdio.h>
#include <string.h>

#include <netinet/in.h>
#include <netinet/sctp.h>
#include <sys/types.h>
#include <sys/socket.h>
#define PORT 63000

int main()
{
        int _sctp_socket, ret;
        sctp_assoc_t _sctp_associd;
        struct sockaddr *show_ip_address =3D NULL;

        _sctp_socket =3D socket( AF_INET , SOCK_SEQPACKET , IPPROTO_SCTP =
);

        struct sockaddr_in server_ipaddress;
        server_ipaddress . sin_family =3D AF_INET;
        server_ipaddress . sin_port =3D htons(PORT);
        server_ipaddress . sin_len =3D sizeof(struct sockaddr_in);
        server_ipaddress . sin_addr.s_addr =3D inet_addr("127.0.0.1");

        ret =3D sctp_connectx(_sctp_socket , (struct sockaddr*) =
&server_ipaddress , 1, &_sctp_associd);
       if( ret < 0)
       {
                printf("sctp_connectx error");
       }
        ret =3D sctp_getladdrs(_sctp_socket, _sctp_associd, =
&show_ip_address);
        printf("sctp_getladdrs() returned %d.\n", ret);
        if (ret > 0)
        {
                sctp_freeladdrs(show_ip_address);
        }

}


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