diff options
Diffstat (limited to 'iface.c')
-rw-r--r-- | iface.c | 10 |
1 files changed, 8 insertions, 2 deletions
@@ -319,18 +319,24 @@ static void iface_rtnl_enumerate(int sock, uint16_t type, unsigned char family) log_err("Failed to enumerate rtnl interfaces: %s\n", strerror(errno)); } -void iface_init(int sock, const char *iface, bool ipv6, +int iface_init(int sock, const char *iface, bool ipv6, iface_event_handler_t event_handler) { INIT_LIST_HEAD(&iface_list_head); iface_event_handler = event_handler; - if (iface) + if (iface) { iface_ifindex = if_nametoindex(iface); + if (!iface_ifindex) { + log_err("Interface %s not found: %s\n", iface, strerror(errno)); + return -1; + } + } /* send RTM_GETADDR request to initially populate the interface list */ iface_rtnl_enumerate(sock, RTM_GETADDR, AF_INET); if (ipv6) iface_rtnl_enumerate(sock, RTM_GETADDR, AF_INET6); + return 0; } int iface_recv(int sock) |