static int listen_all_addrinfo(struct addrinfo *ai_head, int sockfdlist[],
int maxsockfd)
{
struct addrinfo *ai;
int ret, nsockfd = 0;
const size_t ai_buf_size = NI_MAXHOST + NI_MAXSERV + 2;
char ai_buf[ai_buf_size];
for (ai = ai_head; ai && nsockfd < maxsockfd; ai = ai->ai_next) {
int sock;
addrinfo_to_text(ai, ai_buf, ai_buf_size);
printf("opening %s\n", ai_buf);
sock = socket(ai->ai_family, ai->ai_socktype, ai->ai_protocol);
if (sock < 0) {
printf("socket: %s: %d (%s)",
ai_buf, errno, strerror(errno));
continue;
}
usbip_net_set_reuseaddr(sock);
usbip_net_set_nodelay(sock);
/* We use seperate sockets for IPv4 and IPv6
* (see do_standalone_mode()) */
usbip_net_set_v6only(sock);
if (sock >= FD_SETSIZE) {
printf("FD_SETSIZE: %s: sock=%d, max=%d",
ai_buf, sock, FD_SETSIZE);
close(sock);
continue;
}
ret = bind(sock, ai->ai_addr, ai->ai_addrlen);
if (ret < 0) {
printf("bind: %s: %d (%s)",
ai_buf, errno, strerror(errno));
close(sock);
continue;
}
ret = listen(sock, SOMAXCONN);
if (ret < 0) {
printf("listen: %s: %d (%s)",
ai_buf, errno, strerror(errno));
close(sock);
continue;
}
printf("listening on %s\n", ai_buf);
sockfdlist[nsockfd++] = sock;
}
return nsockfd;
}
static int listen_all_addrinfo(struct addrinfo *ai_head, int sockfdlist[])
{
struct addrinfo *ai;
int ret, nsockfd = 0;
for (ai = ai_head; ai && nsockfd < MAXSOCKFD; ai = ai->ai_next) {
sockfdlist[nsockfd] = socket(ai->ai_family, ai->ai_socktype,
ai->ai_protocol);
if (sockfdlist[nsockfd] < 0)
continue;
usbip_net_set_reuseaddr(sockfdlist[nsockfd]);
usbip_net_set_nodelay(sockfdlist[nsockfd]);
if (sockfdlist[nsockfd] >= FD_SETSIZE) {
close(sockfdlist[nsockfd]);
sockfdlist[nsockfd] = -1;
continue;
}
ret = bind(sockfdlist[nsockfd], ai->ai_addr, ai->ai_addrlen);
if (ret < 0) {
close(sockfdlist[nsockfd]);
sockfdlist[nsockfd] = -1;
continue;
}
ret = listen(sockfdlist[nsockfd], SOMAXCONN);
if (ret < 0) {
close(sockfdlist[nsockfd]);
sockfdlist[nsockfd] = -1;
continue;
}
log_addrinfo(ai);
nsockfd++;
}
if (nsockfd == 0)
return -1;
dbg("listening on %d address%s", nsockfd, (nsockfd == 1) ? "" : "es");
return nsockfd;
}