[VOL-5291] - Implement get alloc stats, pon-stats, nni-stats

Change-Id: I1fda9b20297641aabcb2642006e516ba3933e184
Signed-off-by: Akash Reddy Kankanala <akash.kankanala@radisys.com>
diff --git a/agent/common/core.h b/agent/common/core.h
index f322bf0..2eb201c 100644
--- a/agent/common/core.h
+++ b/agent/common/core.h
@@ -20,6 +20,7 @@
 #include <grpc++/grpc++.h>
 using grpc::Status;
 #include <voltha_protos/openolt.grpc.pb.h>
+#include <voltha_protos/common.grpc.pb.h>
 #include <voltha_protos/ext_config.grpc.pb.h>
 
 #include "state.h"
@@ -250,6 +251,9 @@
 Status GetPonRxPower_(uint32_t intf_id, uint32_t onu_id, openolt::PonRxPowerData* response);
 Status GetOnuInfo_(uint32_t intf_id, uint32_t onu_id, openolt::OnuInfo *response);
 Status GetPonInterfaceInfo_(uint32_t intf_id, openolt::PonIntfInfo *response);
+Status GetPonPortStatistics_(uint32_t intf_id, common::PortStatistics* pon_stats);
+Status GetNniPortStatistics_(uint32_t intf_id, common::PortStatistics* nni_stats);
+Status GetAllocIdStatistics_(uint32_t intf_id, uint32_t alloc_id, openolt::OnuAllocIdStatistics* alloc_stats);
 int get_status_bcm_cli_quit(void);
 uint16_t get_dev_id(void);
 Status pushOltOperInd(uint32_t intf_id, const char *type, const char *state, uint32_t speed);