replace msg3grant type from C-array to bounded vector

lib/include/srslte/adt/bounded_vector.h

@@ -107,8 +107,8 @@ public:
   const T& back() const { return (*this)[size_ - 1]; }
   T&       front() { return (*this)[0]; }
   const T& front() const { return (*this)[0]; }
-  T*       data() { return &buffer[0]; }
-  const T* data() const { return &buffer[0]; }
+  T*       data() { return reinterpret_cast<T*>(&buffer[0]); }
+  const T* data() const { return reinterpret_cast<T*>(&buffer[0]); }
 
   // Iterators
   iterator       begin() { return reinterpret_cast<iterator>(&buffer[0]); }

lib/include/srslte/interfaces/sched_interface.h

@@ -10,6 +10,7 @@
  *
  */
 
+#include "srslte/adt/bounded_vector.h"
 #include "srslte/common/common.h"
 #include "srslte/srslte.h"
 #include <vector>
@@ -194,12 +195,11 @@ public:
     srslte_dci_rar_grant_t grant;
   } dl_sched_rar_grant_t;
 
-  typedef struct {
-    uint32_t             tbs;
-    srslte_dci_dl_t      dci;
-    uint32_t             nof_grants;
-    dl_sched_rar_grant_t msg3_grant[MAX_RAR_LIST];
-  } dl_sched_rar_t;
+  struct dl_sched_rar_t {
+    uint32_t                                                   tbs;
+    srslte_dci_dl_t                                            dci;
+    srslte::bounded_vector<dl_sched_rar_grant_t, MAX_RAR_LIST> msg3_grant;
+  };
 
   typedef struct {
     srslte_dci_dl_t dci;

srsenb/src/stack/mac/mac.cc

@@ -640,8 +640,11 @@ int mac::get_dl_sched(uint32_t tti_tx_dl, dl_sched_list_t& dl_sched_res_list)
       dl_sched_res->pdsch[n].softbuffer_tx[0] = &common_buffers[enb_cc_idx].rar_softbuffer_tx;
 
       // Assemble PDU
-      dl_sched_res->pdsch[n].data[0] = assemble_rar(
-          sched_result.rar[i].msg3_grant, sched_result.rar[i].nof_grants, i, sched_result.rar[i].tbs, tti_tx_dl);
+      dl_sched_res->pdsch[n].data[0] = assemble_rar(sched_result.rar[i].msg3_grant.data(),
+                                                    sched_result.rar[i].msg3_grant.size(),
+                                                    i,
+                                                    sched_result.rar[i].tbs,
+                                                    tti_tx_dl);
 
       if (pcap) {
         pcap->write_dl_ranti(dl_sched_res->pdsch[n].data[0],

srsenb/src/stack/mac/sched_carrier.cc

@@ -233,8 +233,7 @@ void ra_sched::ul_sched(sf_sched* sf_dl_sched, sf_sched* sf_msg3_sched)
   const std::vector<sf_sched::rar_alloc_t>& alloc_rars = sf_dl_sched->get_allocated_rars();
 
   for (const auto& rar : alloc_rars) {
-    for (uint32_t j = 0; j < rar.rar_grant.nof_grants; ++j) {
-      const auto& msg3grant = rar.rar_grant.msg3_grant[j];
+    for (const auto& msg3grant : rar.rar_grant.msg3_grant) {
 
       uint16_t crnti   = msg3grant.data.temp_crnti;
       auto     user_it = ue_db->find(crnti);

srsenb/src/stack/mac/sched_grid.cc

@@ -725,7 +725,7 @@ std::pair<alloc_outcome_t, uint32_t> sf_sched::alloc_rar(uint32_t aggr_lvl, cons
 
     // RAR allocation successful
     sched_interface::dl_sched_rar_t rar_grant = {};
-    rar_grant.nof_grants                      = nof_grants;
+    rar_grant.msg3_grant.resize(nof_grants);
     for (uint32_t i = 0; i < nof_grants; ++i) {
       rar_grant.msg3_grant[i].data            = rar.msg3_grant[i];
       rar_grant.msg3_grant[i].grant.tpc_pusch = 3;
@@ -999,11 +999,10 @@ void sf_sched::set_rar_sched_result(const pdcch_grid_t::alloc_result_t& dci_resu
 
     // Setup RAR process
     rar->tbs        = rar_alloc.alloc_data.req_bytes;
-    rar->nof_grants = rar_alloc.rar_grant.nof_grants;
-    std::copy(&rar_alloc.rar_grant.msg3_grant[0], &rar_alloc.rar_grant.msg3_grant[rar->nof_grants], rar->msg3_grant);
+    rar->msg3_grant = rar_alloc.rar_grant.msg3_grant;
 
     // Print RAR allocation result
-    for (uint32_t i = 0; i < rar->nof_grants; ++i) {
+    for (uint32_t i = 0; i < rar->msg3_grant.size(); ++i) {
       const auto& msg3_grant    = rar->msg3_grant[i];
       uint16_t    expected_rnti = msg3_grant.data.temp_crnti;
       log_h->info("SCHED: RAR, temp_crnti=0x%x, ra-rnti=%d, rbgs=%s, dci=(%d,%d), rar_grant_rba=%d, "

srsenb/test/mac/sched_sim_ue.cc

@@ -198,7 +198,7 @@ void ue_sim::update_conn_state(const sf_output_res_t& sf_out)
 
     if (rar_window.contains(tti_tx_dl)) {
       for (uint32_t i = 0; i < dl_cc_result.nof_rar_elems; ++i) {
-        for (uint32_t j = 0; j < dl_cc_result.rar[i].nof_grants; ++j) {
+        for (uint32_t j = 0; j < dl_cc_result.rar[i].msg3_grant.size(); ++j) {
           const auto& data = dl_cc_result.rar[i].msg3_grant[j].data;
           if (data.prach_tti == (uint32_t)ctxt.prach_tti_rx.to_uint() and data.preamble_idx == ctxt.preamble_idx) {
             ctxt.rar_tti_rx = sf_out.tti_rx;

srsenb/test/mac/sched_ue_ded_test_suite.cc

@@ -229,8 +229,8 @@ int test_ra(const sim_enb_ctxt_t& enb_ctxt, const sf_output_res_t& sf_out)
         // Inside RAR window
         uint32_t nof_rars = ue.rar_tti_rx.is_valid() ? 1 : 0;
         for (uint32_t i = 0; i < dl_cc_res.nof_rar_elems; ++i) {
-          for (uint32_t j = 0; j < dl_cc_res.rar[i].nof_grants; ++j) {
-            const auto& data = dl_cc_res.rar[i].msg3_grant[j].data;
+          for (const auto& grant : dl_cc_res.rar[i].msg3_grant) {
+            const auto& data = grant.data;
             if (data.prach_tti == (uint32_t)ue.prach_tti_rx.to_uint() and data.preamble_idx == ue.preamble_idx) {
               CONDERROR(rnti != data.temp_crnti, "RAR grant C-RNTI does not match the expected.\n");
               nof_rars++;
@@ -309,7 +309,7 @@ int test_ra(const sim_enb_ctxt_t& enb_ctxt, const sf_output_res_t& sf_out)
 
     // TEST: Ensure there are no spurious RARs that do not belong to any user
     for (uint32_t i = 0; i < dl_cc_res.nof_rar_elems; ++i) {
-      for (uint32_t j = 0; j < dl_cc_res.rar[i].nof_grants; ++j) {
+      for (uint32_t j = 0; j < dl_cc_res.rar[i].msg3_grant.size(); ++j) {
         uint32_t prach_tti    = dl_cc_res.rar[i].msg3_grant[j].data.prach_tti;
         uint32_t preamble_idx = dl_cc_res.rar[i].msg3_grant[j].data.preamble_idx;
         auto     it           = std::find_if(