void if_prop::print_if_info() const{
HC_LOG_TRACE("");
if (!is_getaddrs_valid()) {
HC_LOG_ERROR("data invalid");
return;
}
const if_prop_map* prop = get_if_props();
if(prop == NULL){
HC_LOG_ERROR("data struct not found");
return;
}
const struct ifaddrs* if_p;
const list<const struct ifaddrs*>* if_p_list;
cout << "##-- IPv4 [count:" << prop->size() << "]--##" << endl;
for(if_prop_map::const_iterator iter = prop->begin(); iter != prop->end(); iter++){
if_p = get_ip4_if(iter->first);
if(if_p == NULL){
HC_LOG_ERROR("interface name not found: " << iter->first);
continue;
}
print_if_addr(if_p);
}
cout << "##-- IPv6 [count:" << prop->size() << "]--##" << endl;
for(if_prop_map::const_iterator iter = prop->begin(); iter != prop->end(); iter++){
if_p_list = get_ip6_if(iter->first);
if(if_p_list == NULL){
HC_LOG_ERROR("interface name not found: " << iter->first);
continue;
}
for(list<const struct ifaddrs*>::const_iterator itera = if_p_list->begin(); itera != if_p_list->end(); itera++){
print_if_addr(*itera);
}
}
}
int print_interface_info(char *if_name){
int sockfd;
/*create sockfd for interface test.*/
if( (sockfd = socket(AF_INET, SOCK_DGRAM, 0)) < 0 ){
err_sys("socket error");
}
printf("%s:\n", if_name);
print_if_addr(sockfd, if_name);
print_if_broadaddr(sockfd, if_name);
print_if_mask(sockfd, if_name);
print_if_mac(sockfd, if_name);
print_if_mtu(sockfd, if_name);
close(sockfd);
return 0;
}
int print_all_interface(){
struct ifconf ifc;
struct ifreq *ifr_p;
int sockfd, len, old_len = 0, i, icount;
char *buf;
if( (sockfd = socket(AF_INET, SOCK_DGRAM, 0)) < 0 ){
err_sys("socket error");
}
len = 10 * sizeof(struct ifreq);
for(;;){
if( (buf = malloc(len)) == NULL ){
err_sys("malloc error");
}
ifc.ifc_len = len;
ifc.ifc_buf = buf;
if(ioctl(sockfd, SIOCGIFCONF, &ifc) < 0){
err_sys("ioctl SIOCGIFCONF error");
}
if(ifc.ifc_len == old_len)
break;
old_len = ifc.ifc_len;
len += 10 * sizeof(struct ifreq);
free(buf);
}
icount = ifc.ifc_len/sizeof(struct ifreq);
printf("we have %d interface\n", icount);
for(i = 0; i < icount; i++){
ifr_p = &ifc.ifc_req[i];
printf("\ninterface [%s]:\n", ifr_p->ifr_name);
print_if_addr(sockfd, ifr_p->ifr_name);
print_if_broadaddr(sockfd, ifr_p->ifr_name);
print_if_mask(sockfd, ifr_p->ifr_name);
print_if_mac(sockfd, ifr_p->ifr_name);
print_if_mtu(sockfd, ifr_p->ifr_name);
}
close(sockfd);
return 0;
}