bugfix - mac logger was being fetched before a sink was assigned, leading to it printing to the console

srsenb/src/stack/mac/sched_grid.cc

@@ -732,7 +732,7 @@ void sf_sched::set_dl_data_sched_result(const sf_cch_allocator::alloc_result_t&
     // Print Resulting DL Allocation
     fmt::memory_buffer str_buffer;
     fmt::format_to(str_buffer,
-                   "SCHED: DL {} rnti=0x{:x}, cc={}, pid={}, mask={:x}, dci=({}, {}), n_rtx={}, tbs={}, buffer={}/{}",
+                   "SCHED: DL {} rnti=0x{:x}, cc={}, pid={}, mask=0x{:x}, dci=({}, {}), n_rtx={}, tbs={}, buffer={}/{}",
                    is_newtx ? "tx" : "retx",
                    user->get_rnti(),
                    cc_cfg->enb_cc_idx,

srsenb/src/stack/mac/sched_helpers.cc

@@ -28,7 +28,7 @@ using dl_sched_res_t    = sched_interface::dl_sched_res_t;
 using dl_sched_data_t   = sched_interface::dl_sched_data_t;
 using custom_mem_buffer = fmt::basic_memory_buffer<char, 1024>;
 
-srslog::basic_logger& get_mac_logger()
+static srslog::basic_logger& get_mac_logger()
 {
   static srslog::basic_logger& mac_logger = srslog::fetch_basic_logger("MAC");
   return mac_logger;

srsenb/src/stack/mac/sched_phy_ch/sched_dci.cc

@@ -20,7 +20,11 @@
 
 namespace srsenb {
 
-static srslog::basic_logger& logger = srslog::fetch_basic_logger("MAC");
+static srslog::basic_logger& get_mac_logger()
+{
+  static srslog::basic_logger& logger = srslog::fetch_basic_logger("MAC");
+  return logger;
+}
 
 /// Compute max TBS based on max coderate
 int coderate_to_tbs(float max_coderate, uint32_t nof_re)
@@ -217,7 +221,7 @@ int generate_ra_bc_dci_format1a_common(srslte_dci_dl_t&           dci,
     return -1;
   }
 
-  logger.debug("ra_tbs=%d/%d, tbs_bytes=%d, tbs=%d, mcs=%d",
+  get_mac_logger().debug("ra_tbs=%d/%d, tbs_bytes=%d, tbs=%d, mcs=%d",
                          srslte_ra_tbs_from_idx(mcs, 2),
                          srslte_ra_tbs_from_idx(mcs, 3),
                          req_bytes,
@@ -311,7 +315,7 @@ void log_broadcast_allocation(const sched_interface::dl_sched_bc_t& bc,
                               rbg_interval                          rbg_range,
                               const sched_cell_params_t&            cell_params)
 {
-  if (not logger.info.enabled()) {
+  if (not get_mac_logger().info.enabled()) {
     return;
   }
 
@@ -319,7 +323,7 @@ void log_broadcast_allocation(const sched_interface::dl_sched_bc_t& bc,
   fmt::format_to(str_buffer, "{}", rbg_range);
 
   if (bc.type == sched_interface::dl_sched_bc_t::bc_type::BCCH) {
-    logger.debug("SCHED: SIB%d, cc=%d, rbgs=(%d,%d), dci=(%d,%d), rv=%d, len=%d, period=%d, mcs=%d",
+    get_mac_logger().debug("SCHED: SIB%d, cc=%d, rbgs=(%d,%d), dci=(%d,%d), rv=%d, len=%d, period=%d, mcs=%d",
                            bc.index + 1,
                            cell_params.enb_cc_idx,
                            rbg_range.start(),
@@ -331,7 +335,7 @@ void log_broadcast_allocation(const sched_interface::dl_sched_bc_t& bc,
                            cell_params.cfg.sibs[bc.index].period_rf,
                            bc.dci.tb[0].mcs_idx);
   } else {
-    logger.info("SCHED: PCH, cc=%d, rbgs=%s, dci=(%d,%d), tbs=%d, mcs=%d",
+    get_mac_logger().info("SCHED: PCH, cc=%d, rbgs=%s, dci=(%d,%d), tbs=%d, mcs=%d",
                           srslte::to_c_str(str_buffer),
                           cell_params.enb_cc_idx,
                           bc.dci.location.L,
@@ -343,7 +347,7 @@ void log_broadcast_allocation(const sched_interface::dl_sched_bc_t& bc,
 
 void log_rar_allocation(const sched_interface::dl_sched_rar_t& rar, rbg_interval rbg_range)
 {
-  if (not logger.info.enabled()) {
+  if (not get_mac_logger().info.enabled()) {
     return;
   }
 
@@ -360,7 +364,7 @@ void log_rar_allocation(const sched_interface::dl_sched_rar_t& rar, rbg_interval
                    rar.msg3_grant[i].grant.trunc_mcs);
   }
 
-  logger.info("SCHED: RAR, ra-rnti=%d, rbgs=%s, dci=(%d,%d), msg3 grants=[%s]",
+  get_mac_logger().info("SCHED: RAR, ra-rnti=%d, rbgs=%s, dci=(%d,%d), msg3 grants=[%s]",
                         rar.dci.rnti,
                         srslte::to_c_str(str_buffer),
                         rar.dci.location.L,