Add support for gRPC authenticated communications

Also, make a few namespace corrections and some minor refactoring.

Change-Id: Iedcaf6b43cb7576bc11dfefe980abd190c838831

server/include/rdc/rdc_admin_service.h

@@ -39,7 +39,7 @@ class RDCAdminServiceImpl final : public ::rdc::RdcAdmin::Service {
  private:
 };
 
-} // namespace rdc
-} // namespace amd
+}  // namespace rdc
+}  // namespace amd
 
 #endif  // SERVER_INCLUDE_RDC_RDC_ADMIN_SERVICE_H_

server/include/rdc/rdc_server_main.h

@@ -31,14 +31,22 @@ THE SOFTWARE.
 #include "rdc/rdc_admin_service.h"
 #include "rdc/rdc_api_service.h"
 
+typedef struct {
+  std::string listen_port;
+  bool no_authentication;
+  bool use_pinned_certs;
+  bool log_dbg;
+} RdcdCmdLineOpts;
+
 class RDCServer {
  public:
     RDCServer();
     ~RDCServer();
 
-    void Initialize();
+    void Initialize(RdcdCmdLineOpts *cl);
 
     void Run(void);
+    void ShutDown(void);
 
     bool start_rsmi_service(void) const {return start_rsmi_service_;}
     void set_start_rsmi_service(bool s) {start_rsmi_service_ = s;}
@@ -49,15 +57,19 @@ class RDCServer {
     bool start_api_service(void) const {return start_api_service_;}
     void set_start_api_service(bool s) {start_api_service_ = s;}
 
-    void ShutDown(void);
+    bool secure_creds(void) const {return secure_creds_;}
+    void set_secure_creds(bool s) {secure_creds_ = s;}
 
  private:
     void HandleSignal(int sig);
     std::string server_address_;
     std::unique_ptr<::grpc::Server> server_;
-
+    bool secure_creds_;
+    bool use_pinned_certs_;
+    bool log_debug_;
     bool start_rsmi_service_;
     amd::rdc::RsmiServiceImpl *rsmi_service_;
+    RdcdCmdLineOpts *cmd_line_;
 
     bool start_rdc_admin_service_;
     amd::rdc::RDCAdminServiceImpl *rdc_admin_service_;

server/include/rdc/rdc_server_utils.h

@@ -24,7 +24,12 @@ THE SOFTWARE.
 
 #include <sys/capability.h>
 
+namespace amd {
+namespace rdc {
+
 int GetCapability(cap_value_t cap, cap_flag_t cap_type, bool *enabled);
 int ModifyCapability(cap_value_t cap, cap_flag_t cap_type, bool enable);
+}  // namespace rdc
+}  // namespace amd
 
-#endif  // SERVER_INCLUDE_RDC_RDC_SERVER_UTILS_H_
+#endif  // SERVER_INCLUDE_RDC_RDC_SERVER_UTILS_H_