tree aa76db944a48c115753f19a385c367a50016930f
parent 1267f5c5b7e8633d34d7766f336a337f9c0fc823
author Hansong Zhang <hsz@google.com> 1556921184 -0700
committer Hansong Zhang <hsz@google.com> 1556921267 -0700

Add a signaling socket from facade/cert to tester

The tester needs to wait for grpc server to start up before sending any
RPC. Use a UNIX domain socket to indicate when the grpc server is ready

Test: cert/run_cert.sh
Change-Id: Iaf5e9dfaedaa30a09448da0632ae7d362845c87a