adt - fix circular map clear() and erase(it) functions

lib/include/srsran/adt/circular_map.h

@@ -184,21 +184,25 @@ public:
 
   iterator erase(iterator it)
   {
-    srsran_assert(it.idx < N, "Iterator out-of-bounds (%zd >= %zd)", it.idx, N);
+    srsran_assert(it.idx < N and it.ptr == this, "Iterator out-of-bounds (%zd >= %zd)", it.idx, N);
     iterator next = it;
     ++next;
-    it->~obj_t();
-    present[it->first] = false;
+    present[it.idx] = false;
+    get_obj_(it.idx).~obj_t();
     --count;
     return next;
   }
 
   void clear()
   {
-    for (auto it = begin(); it != end();) {
-      it = erase(it);
+    for (size_t i = 0; i < N; ++i) {
+      if (present[i]) {
+        present[i] = false;
+        get_obj_(i).~obj_t();
       }
     }
+    count = 0;
+  }
 
   T& operator[](K id)
   {

lib/include/srsran/mac/pdu_queue.h

@@ -58,8 +58,8 @@ private:
 
   } pdu_t;
 
-  static_blocking_queue<pdu_t*, DEFAULT_POOL_SIZE> pdu_q;
   buffer_pool<pdu_t>                               pool;
+  static_blocking_queue<pdu_t*, DEFAULT_POOL_SIZE> pdu_q;
 
   process_callback*     callback;
   srslog::basic_logger& logger;

srsenb/hdr/stack/mac/ue.h

@@ -63,6 +63,7 @@ class cc_used_buffers_map
 {
 public:
   explicit cc_used_buffers_map(srsran::pdu_queue& shared_pdu_queue_);
+  ~cc_used_buffers_map();
 
   uint8_t* request_pdu(tti_point tti, uint32_t len);
 
@@ -180,11 +181,11 @@ private:
   bool process_ce(srsran::sch_subh* subh);
   void allocate_ce(srsran::sch_pdu* pdu, uint32_t lcid);
 
-  uint32_t         phr_counter    = 0;
-  uint32_t         dl_cqi_counter = 0;
-  uint32_t         dl_ri_counter  = 0;
-  uint32_t         dl_pmi_counter = 0;
-  mac_ue_metrics_t ue_metrics     = {};
+  rlc_interface_mac*       rlc = nullptr;
+  rrc_interface_mac*       rrc = nullptr;
+  phy_interface_stack_lte* phy = nullptr;
+  srslog::basic_logger&    logger;
+  sched_interface*         sched = nullptr;
 
   srsran::mac_pcap*     pcap         = nullptr;
   srsran::mac_pcap_net* pcap_net     = nullptr;
@@ -193,11 +194,13 @@ private:
   uint32_t              last_tti     = 0;
   uint32_t              nof_failures = 0;
 
-  srsran::obj_pool_itf<ue_cc_softbuffers>* softbuffer_pool = nullptr;
-
-  srsran::bounded_vector<cc_buffer_handler, SRSRAN_MAX_CARRIERS> cc_buffers;
+  uint32_t         phr_counter    = 0;
+  uint32_t         dl_cqi_counter = 0;
+  uint32_t         dl_ri_counter  = 0;
+  uint32_t         dl_pmi_counter = 0;
+  mac_ue_metrics_t ue_metrics     = {};
 
-  std::mutex rx_buffers_mutex;
+  srsran::obj_pool_itf<ue_cc_softbuffers>* softbuffer_pool = nullptr;
 
   srsran::block_queue<uint32_t> pending_ta_commands;
   ta                            ta_fsm;
@@ -207,14 +210,11 @@ private:
   srsran::sch_pdu   mac_msg_dl, mac_msg_ul;
   srsran::mch_pdu   mch_mac_msg_dl;
 
-  rlc_interface_mac*       rlc = nullptr;
-  rrc_interface_mac*       rrc = nullptr;
-  phy_interface_stack_lte* phy = nullptr;
-  srslog::basic_logger&    logger;
-  sched_interface*         sched = nullptr;
+  srsran::bounded_vector<cc_buffer_handler, SRSRAN_MAX_CARRIERS> cc_buffers;
 
   // Mutexes
   std::mutex mutex;
+  std::mutex rx_buffers_mutex;
 
   const uint8_t UL_CC_IDX = 0; ///< Passed to write CC index in PCAP (TODO: use actual CC idx)
 };

srsenb/src/stack/mac/ue.cc

@@ -66,6 +66,11 @@ cc_used_buffers_map::cc_used_buffers_map(srsran::pdu_queue& shared_pdu_queue_) :
   shared_pdu_queue(&shared_pdu_queue_), logger(&srslog::fetch_basic_logger("MAC"))
 {}
 
+cc_used_buffers_map::~cc_used_buffers_map()
+{
+  clear();
+}
+
 bool cc_used_buffers_map::push_pdu(tti_point tti, uint32_t len)
 {
   if (not has_tti(tti)) {
@@ -135,6 +140,9 @@ bool cc_used_buffers_map::try_deallocate_pdu(tti_point tti)
 
 void cc_used_buffers_map::clear()
 {
+  for (auto& buffer : pdu_map) {
+    shared_pdu_queue->deallocate(buffer.second);
+  }
   pdu_map.clear();
 }