comm

type GRPCServer interface {
	//Address returns the listen address for the GRPCServer
	Address() string
	//Start starts the underlying grpc.Server
	Start() error
	//Stop stops the underlying grpc.Server
	Stop()
	//Server returns the grpc.Server instance for the GRPCServer
	Server() *grpc.Server
	//Listener returns the net.Listener instance for the GRPCServer
	Listener() net.Listener
	//ServerCertificate returns the tls.Certificate used by the grpc.Server
	ServerCertificate() tls.Certificate
	//TLSEnabled is a flag indicating whether or not TLS is enabled for this
	//GRPCServer instance
	TLSEnabled() bool
	//AppendClientRootCAs appends PEM-encoded X509 certificate authorities to
	//the list of authorities used to verify client certificates
	AppendClientRootCAs(clientRoots [][]byte) error
	//RemoveClientRootCAs removes PEM-encoded X509 certificate authorities from
	//the list of authorities used to verify client certificates
	RemoveClientRootCAs(clientRoots [][]byte) error
	//SetClientRootCAs sets the list of authorities used to verify client
	//certificates based on a list of PEM-encoded X509 certificate authorities
	SetClientRootCAs(clientRoots [][]byte) error
}

type SecureServerConfig struct {
	//Whether or not to use TLS for communication
	UseTLS bool
	//PEM-encoded X509 public key to be used by the server for TLS communication
	ServerCertificate []byte
	//PEM-encoded private key to be used by the server for TLS communication
	ServerKey []byte
	//Set of PEM-encoded X509 certificate authorities to optionally send
	//as part of the server handshake
	ServerRootCAs [][]byte
	//Whether or not TLS client must present certificates for authentication
	RequireClientCert bool
	//Set of PEM-encoded X509 certificate authorities to use when verifying
	//client certificates
	ClientRootCAs [][]byte
}