add getter for PDCP ul/dl counter

lib/include/srslte/interfaces/ue_interfaces.h

@@ -251,6 +251,8 @@ public:
                                    srslte::INTEGRITY_ALGORITHM_ID_ENUM integ_algo_) = 0;
   virtual void enable_integrity(uint32_t lcid) = 0;
   virtual void enable_encryption(uint32_t lcid) = 0;
+  virtual uint32_t get_dl_count(uint32_t lcid) = 0;
+  virtual uint32_t get_ul_count(uint32_t lcid) = 0;
 };
 
 // PDCP interface for RLC

lib/include/srslte/upper/pdcp.h

@@ -72,6 +72,8 @@ public:
                            INTEGRITY_ALGORITHM_ID_ENUM integ_algo);
   void enable_integrity(uint32_t lcid);
   void enable_encryption(uint32_t lcid);
+  uint32_t get_dl_count(uint32_t lcid);
+  uint32_t get_ul_count(uint32_t lcid);
 
   // RLC interface
   void write_pdu(uint32_t lcid, byte_buffer_t *sdu);

lib/include/srslte/upper/pdcp_entity.h

@@ -83,6 +83,8 @@ public:
                        INTEGRITY_ALGORITHM_ID_ENUM integ_algo_);
   void enable_integrity();
   void enable_encryption();
+  uint32_t get_dl_count();
+  uint32_t get_ul_count();
 
   // RLC interface
   void write_pdu(byte_buffer_t *pdu);

lib/include/srslte/upper/pdcp_interface.h

@@ -62,6 +62,8 @@ public:
                        INTEGRITY_ALGORITHM_ID_ENUM integ_algo_) = 0;
   virtual void enable_integrity() = 0;
   virtual void enable_encryption() = 0;
+  virtual uint32_t get_dl_count() = 0;
+  virtual uint32_t get_ul_count() = 0;
 
   // RLC interface
   virtual void write_pdu(byte_buffer_t *pdu) = 0;

lib/src/upper/pdcp.cc

@@ -231,6 +231,29 @@ void pdcp::enable_encryption(uint32_t lcid)
   pthread_rwlock_unlock(&rwlock);
 }
 
+uint32_t pdcp::get_dl_count(uint32_t lcid)
+{
+  int ret = 0;
+  pthread_rwlock_rdlock(&rwlock);
+  if (valid_lcid(lcid)) {
+    ret = pdcp_array.at(lcid)->get_dl_count();
+  }
+  pthread_rwlock_unlock(&rwlock);
+  return ret;
+}
+
+uint32_t pdcp::get_ul_count(uint32_t lcid)
+{
+  int ret = 0;
+  pthread_rwlock_rdlock(&rwlock);
+  if (valid_lcid(lcid)) {
+    ret = pdcp_array.at(lcid)->get_ul_count();
+  }
+  pthread_rwlock_unlock(&rwlock);
+  return ret;
+}
+
+
 /*******************************************************************************
   RLC interface
 *******************************************************************************/

lib/src/upper/pdcp_entity.cc

@@ -408,6 +408,17 @@ uint8_t pdcp_entity::get_bearer_id(uint8_t lcid)
 }
 
 
+uint32_t pdcp_entity::get_dl_count()
+{
+  return rx_count;
+}
+
+
+uint32_t pdcp_entity::get_ul_count()
+{
+  return tx_count;
+}
+
 /****************************************************************************
  * Pack/Unpack helper functions
  * Ref: 3GPP TS 36.323 v10.1.0