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Revision as of 02:37, 1 October 2009 by fasttrack (Talk | contribs)

Start new Socket Connection to Access Point

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Once you get the available access points list, the following code shows how to start a new connection using available access points.

void ConnectToAP(char *ifname)
{
ifreq ifr;
int sockfd;
 
// Name of the interface
strcpy(ifr.ifr_name, ifname);
 
sockfd = socket(AF_INET,SOCK_DGRAM,IPPROTO_UDP);
ioctl(sockfd,SIOCSIFNAME, &ifr);
ioctl(sockfd, SIOCIFSTART , &ifr);
 
 
// recvfrom() and sendto() operations on socket sockfd
 
ioctl(sockfd, SIOCIFSTOP, &ifr);
 
close(sockfd);
return ret;
}

In the above code,SIOCSIFNAME API is used to select the access point.


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