You can configure cgminer to failover to solo mining ...

./cgminer -T --cainsmore-clock 195 --icarus-timing 1.0=20 -S /dev/ttyUSB0 --verbose --url stratum+tcp://eu1.blakecoin.com:3334 --userpass username.worker:password --failover-only --url localhost:8772 --userpass username:password 2>log.txt