static int
populate(struct ifaddrs *ifa, int fd, struct lifreq *lifrp, int nlif, int af,
char **bufp)
{
char *buf = *bufp;
size_t slen;
while (nlif > 0) {
ifa->ifa_next = (nlif > 1) ? ifa + 1 : NULL;
(void) strcpy(ifa->ifa_name = buf, lifrp->lifr_name);
slen = strlen(lifrp->lifr_name) + 1;
buf += (slen + 3) & ~3;
if (ioctl(fd, SIOCGLIFFLAGS, lifrp) == -1)
ifa->ifa_flags = 0;
else
ifa->ifa_flags = lifrp->lifr_flags;
if (ioctl(fd, SIOCGLIFADDR, lifrp) == -1)
ifa->ifa_addr = NULL;
else
ifa->ifa_addr = addrcpy(&lifrp->lifr_addr, &buf);
if (ioctl(fd, SIOCGLIFNETMASK, lifrp) == -1)
ifa->ifa_netmask = NULL;
else
ifa->ifa_netmask = addrcpy(&lifrp->lifr_addr, &buf);
if (ifa->ifa_flags & IFF_POINTOPOINT) {
if (ioctl(fd, SIOCGLIFDSTADDR, lifrp) == -1)
ifa->ifa_dstaddr = NULL;
else
ifa->ifa_dstaddr =
addrcpy(&lifrp->lifr_dstaddr, &buf);
} else if (ifa->ifa_flags & IFF_BROADCAST) {
if (ioctl(fd, SIOCGLIFBRDADDR, lifrp) == -1)
ifa->ifa_broadaddr = NULL;
else
ifa->ifa_broadaddr =
addrcpy(&lifrp->lifr_broadaddr, &buf);
} else {
ifa->ifa_dstaddr = NULL;
}
ifa++;
nlif--;
lifrp++;
}
*bufp = buf;
return (0);
}
struct transfer_node *new_download_node(const struct sockaddr_in *addr, const unsigned char *md5) {
struct transfer_node *new_node;
new_node = (struct transfer_node *)malloc(sizeof(struct transfer_node));
addrcpy(&new_node->addrto, addr);
memcpy(new_node->file_info.md5, md5, MD5_DIGEST_LENGTH);
return new_node;
}
/*
* Funzione che crea un nuovo nodo.
*/
struct peer_node *new_peer_node(const struct sockaddr_in *peer_addr, unsigned long peer_rate, unsigned short port) {
struct peer_node *new_node;
new_node = (struct peer_node *)malloc(sizeof(struct peer_node));
new_node->flag = 1;
new_node->peer_rate = peer_rate;
new_node->dw_port = port;
addrcpy(&new_node->peer_addr, peer_addr);
return new_node;
}
struct near_node *create_new_near_node(int socksd, const struct sockaddr_in *addr){
int rc;
struct near_node *ret = (struct near_node *)malloc(sizeof(struct near_node));
ret->socksd = socksd;
addrcpy(&ret->addr, addr);
if ((rc = pthread_mutex_init(&ret->mutex, NULL)) != 0) {
fprintf(stderr, "create_new_near_node error - can't initialize lock: %s\n", strerror(rc));
return NULL;
}
return ret;
}
