Is it possible in Objective C / C / C++ to get the current DNS server ip address for 3G / Cell data connection?
Looked around and could not find definitive answer.
See Question&Answers more detail:osIs it possible in Objective C / C / C++ to get the current DNS server ip address for 3G / Cell data connection?
Looked around and could not find definitive answer.
See Question&Answers more detail:os#include <arpa/inet.h>
#include <ifaddrs.h>
#include <resolv.h>
#include <dns.h>
//
- (NSString *) getDNSServers
{
NSMutableString *addresses = [[NSMutableString alloc]initWithString:@"DNS Addresses
"];
res_state res = malloc(sizeof(struct __res_state));
int result = res_ninit(res);
if ( result == 0 )
{
for ( int i = 0; i < res->nscount; i++ )
{
NSString *s = [NSString stringWithUTF8String : inet_ntoa(res->nsaddr_list[i].sin_addr)];
[addresses appendFormat:@"%@
",s];
NSLog(@"%@",s);
}
}
else
[addresses appendString:@" res_init result != 0"];
return addresses;
}