Date: Sun, 4 Dec 2011 10:11:46 +0100 From: =?iso-8859-1?Q?Michael_T=FCxen?= <Michael.Tuexen@lurchi.franken.de> To: jyl_2006 <yilinjing2006@gmail.com> Cc: freebsd-net@freebsd.org Subject: Re: the return value of sctp_connectx do not match any error Message-ID: <F9593CD9-520A-49D4-9093-7DA02DDEE521@lurchi.franken.de> In-Reply-To: <1322966561294-5045598.post@n5.nabble.com> References: <1322834879026-5041952.post@n5.nabble.com> <0D6FA7F2-1462-44EF-98F4-3B6AFC856757@lurchi.franken.de> <1322888085250-5043901.post@n5.nabble.com> <C6A45788-E86B-4825-A4A6-2859B74D110B@lurchi.franken.de> <1322919283456-5044536.post@n5.nabble.com> <76108404-D722-48D0-AAAA-F35B77F5CFCF@lurchi.franken.de> <1322966561294-5045598.post@n5.nabble.com>
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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);
}
}
>=20
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>=20
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