On Dec 4, 2011, at 2:14 PM, jyl_2006 wrote:
> Yes, besides "127.0.0.1" , I also test between two computer, each one have ip
> address of wlan.The question still remains.
OK, I have tested RC2 i386 and it works. I don't have a Beta 2 system...
I have no idea what the problem might be... What does the following program
report?
Best regards
Michael
#include <sys/errno.h>
#include <stdio.h>
#include <string.h>
#include <stdlib.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 = NULL;
int size_of_addresses;
socklen_t siz;
struct sctp_getaddresses *addrs;
_sctp_socket = socket( AF_INET , SOCK_SEQPACKET , IPPROTO_SCTP );
struct sockaddr_in server_ipaddress;
server_ipaddress . sin_family = AF_INET;
server_ipaddress . sin_port = htons(PORT);
server_ipaddress . sin_len = sizeof(struct sockaddr_in);
server_ipaddress . sin_addr.s_addr = inet_addr("127.0.0.1");
ret = sctp_connectx(_sctp_socket , (struct sockaddr*) &server_ipaddress
, 1, &_sctp_associd);
if( ret < 0)
{
printf("sctp_connectx error");
}
size_of_addresses = 0;
siz = sizeof(int);
if (getsockopt(_sctp_socket, IPPROTO_SCTP, SCTP_GET_LOCAL_ADDR_SIZE,
&size_of_addresses, &siz) != 0) {
perror("SCTP_GET_LOCAL_ADDR_SIZE");
return (-1);
}
printf("size_of_addresses = %d.\n", size_of_addresses);
siz = size_of_addresses + sizeof(struct sockaddr_storage);
siz += sizeof(struct sctp_getaddresses);
addrs = calloc(1, siz);
addrs->sget_assoc_id = _sctp_associd;
if (getsockopt(_sctp_socket, IPPROTO_SCTP, SCTP_GET_LOCAL_ADDRESSES,
addrs, &siz) != 0) {
perror("SCTP_GET_LOCAL_ADDRESSES");
return (-1);
}
printf("siz = %u.\n", siz);
free(addrs);
return (0);
}
>
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