Hi all, I am dealing with busybox udhcpd and I discovered that there is not an option that makes this daemon - especially in combination with -f option - wait until the interface receives an IP. Something like -w, for example.
At the moment, I solved in this way: ExecStartPre=/bin/sh -c "while ! /usr/sbin/ip -4 a | /bin/grep -q rndis0:; do /bin/sleep 1; done" However, this implies to use --no-block with systemctl re/start and it is a potentially critical shortcoming because this option is not the default. udhcpd: is interface rndis0 up and configured?: Cannot assign requested address I am puzzled because I think that it is not an uncommon issue waiting for an interface that will come up soon or later. Moreover, at first glance, it would not a pain to add that option in networking/udhcp/dhcpd.c:958 == untested and uncompiled code, just for example == again: if (udhcp_read_interface(server_data.interface, &server_data.ifindex, (server_data.server_nip == 0 ? &server_data.server_nip : NULL), server_data.server_mac) ) { if(wait_for_interface) { sleep(1); goto again; } retval = 1; goto ret; } Possibly, I have overlooked something. Otherwise, I can implement this feature. Just let me know. _______________________________________________ busybox mailing list busybox@busybox.net http://lists.busybox.net/mailman/listinfo/busybox