#include "service.h"
static int
-interface_send_packet4(struct interface *iface, struct iovec *iov, int iov_len)
+interface_send_packet4(struct interface *iface, struct sockaddr_in *to, struct iovec *iov, int iov_len)
{
static size_t cmsg_data[( CMSG_SPACE(sizeof(struct in_pktinfo)) / sizeof(size_t)) + 1];
static struct sockaddr_in a;
pkti = (struct in_pktinfo*) CMSG_DATA(cmsg);
pkti->ipi_ifindex = iface->ifindex;
- a.sin_addr.s_addr = inet_addr(MCAST_ADDR);
+ if (iface->multicast) {
+ a.sin_addr.s_addr = inet_addr(MCAST_ADDR);
+ if (to)
+ fprintf(stderr, "Ignoring IPv4 address for multicast interface\n");
+ } else {
+ a.sin_addr.s_addr = to->sin_addr.s_addr;
+ }
return sendmsg(fd, &m, 0);
}
static int
-interface_send_packet6(struct interface *iface, struct iovec *iov, int iov_len)
+interface_send_packet6(struct interface *iface, struct sockaddr_in6 *to, struct iovec *iov, int iov_len)
{
static size_t cmsg_data[( CMSG_SPACE(sizeof(struct in6_pktinfo)) / sizeof(size_t)) + 1];
static struct sockaddr_in6 a;
pkti = (struct in6_pktinfo*) CMSG_DATA(cmsg);
pkti->ipi6_ifindex = iface->ifindex;
- inet_pton(AF_INET6, MCAST_ADDR6, &a.sin6_addr);
+ if (iface->multicast) {
+ inet_pton(AF_INET6, MCAST_ADDR6, &a.sin6_addr);
+ if (to)
+ fprintf(stderr, "Ignoring IPv6 address for multicast interface\n");
+ } else {
+ a.sin6_addr = to->sin6_addr;
+ }
return sendmsg(fd, &m, 0);
}
int
-interface_send_packet(struct interface *iface, struct iovec *iov, int iov_len)
+interface_send_packet(struct interface *iface, struct sockaddr *to, struct iovec *iov, int iov_len)
{
+ if (!iface->multicast && !to) {
+ fprintf(stderr, "No IP address specified for unicast interface\n");
+ errno = EINVAL;
+ return -1;
+ }
+
if (debug > 1) {
fprintf(stderr, "TX ipv%d: %s\n", iface->v6 * 2 + 4, iface->name);
fprintf(stderr, " multicast: %d\n", iface->multicast);
}
if (iface->v6)
- return interface_send_packet6(iface, iov, iov_len);
+ return interface_send_packet6(iface, (struct sockaddr_in6 *)to, iov, iov_len);
- return interface_send_packet4(iface, iov, iov_len);
+ return interface_send_packet4(iface, (struct sockaddr_in *)to, iov, iov_len);
}
static void interface_close(struct interface *iface)
static void interface_free(struct interface *iface)
{
+ uloop_timeout_cancel(&iface->reconnect);
interface_close(iface);
free(iface);
}
vlist_for_each_element(&interfaces, iface, node)
if (iface->fd.fd > 0 && iface->multicast) {
- dns_reply_a(iface, 0);
- service_announce_services(iface, 0);
+ dns_reply_a(iface, NULL, 0);
+ service_announce_services(iface, NULL, 0);
}
vlist_for_each_element(&interfaces, iface, node)
interface_close(iface);