CertWorker is the actual worker routine that eats away from the queue.

IsJobsStopped determines whether all jobs supplied is stopped or not.

NewCertReq constructs an instance of the CertReq struct.

NewCertStorage constructs an instance of the CertStorage struct, with validation.

Register schedules a function for execution, to be invoked repeated with a delay of the value of i.

StartClient starts a client instance with a client config and a user agent.

JobQueue holds all active jobs.

CertReq represents a certificate request.

CertStorage represents where the certificates is stored at the client side.

Job is a container for a repeating execution of a function.