apps: application banner can log the built version. CU, DU and gNB applications always log the build version

Author: AlaiaL

apps/cu/cu.cpp

@@ -128,12 +128,18 @@ static void register_app_logs(const logger_appconfig&         log_cfg,
                               const cu_up_unit_logger_config& cu_up_loggers)
 {
   // Set log-level of app and all non-layer specific components to app level.
-  for (const auto& id : {"CU", "ALL", "SCTP-GW", "IO-EPOLL", "UDP-GW", "PCAP"}) {
+  for (const auto& id : {"ALL", "SCTP-GW", "IO-EPOLL", "UDP-GW", "PCAP"}) {
     auto& logger = srslog::fetch_basic_logger(id, false);
     logger.set_level(log_cfg.lib_level);
     logger.set_hex_dump_max_size(log_cfg.hex_max_size);
   }
 
+  auto& app_logger = srslog::fetch_basic_logger("CU", false);
+  app_logger.set_level(srslog::basic_levels::info);
+  app_services::application_message_banners::log_build_info(app_logger);
+  app_logger.set_level(log_cfg.config_level);
+  app_logger.set_hex_dump_max_size(log_cfg.hex_max_size);
+
   auto& config_logger = srslog::fetch_basic_logger("CONFIG", false);
   config_logger.set_level(log_cfg.config_level);
   config_logger.set_hex_dump_max_size(log_cfg.hex_max_size);
@@ -237,9 +243,6 @@ int main(int argc, char** argv)
   // Setup size of byte buffer pool.
   init_byte_buffer_segment_pool(cu_cfg.buffer_pool_config.nof_segments, cu_cfg.buffer_pool_config.segment_size);
 
-  // Log build info
-  cu_logger.info("Built in {} mode using {}", get_build_mode(), get_build_info());
-
   // Log CPU architecture.
   // TODO
 

apps/du/du.cpp

@@ -114,12 +114,18 @@ static void initialize_log(const std::string& filename)
 static void register_app_logs(const logger_appconfig& log_cfg, const dynamic_du_unit_config& du_loggers)
 {
   // Set log-level of app and all non-layer specific components to app level.
-  for (const auto& id : {"GNB", "ALL", "SCTP-GW", "IO-EPOLL", "UDP-GW", "PCAP"}) {
+  for (const auto& id : {"ALL", "SCTP-GW", "IO-EPOLL", "UDP-GW", "PCAP"}) {
     auto& logger = srslog::fetch_basic_logger(id, false);
     logger.set_level(log_cfg.lib_level);
     logger.set_hex_dump_max_size(log_cfg.hex_max_size);
   }
 
+  auto& app_logger = srslog::fetch_basic_logger("GNB", false);
+  app_logger.set_level(srslog::basic_levels::info);
+  app_services::application_message_banners::log_build_info(app_logger);
+  app_logger.set_level(log_cfg.config_level);
+  app_logger.set_hex_dump_max_size(log_cfg.hex_max_size);
+
   auto& config_logger = srslog::fetch_basic_logger("CONFIG", false);
   config_logger.set_level(log_cfg.config_level);
   config_logger.set_hex_dump_max_size(log_cfg.hex_max_size);
@@ -224,9 +230,6 @@ int main(int argc, char** argv)
   // Setup size of byte buffer pool.
   init_byte_buffer_segment_pool(du_cfg.buffer_pool_config.nof_segments, du_cfg.buffer_pool_config.segment_size);
 
-  // Log build info
-  du_logger.info("Built in {} mode using {}", get_build_mode(), get_build_info());
-
   // Log CPU architecture.
   cpu_architecture_info::get().print_cpu_info(du_logger);
 

apps/gnb/gnb.cpp

@@ -141,12 +141,18 @@ static void register_app_logs(const logger_appconfig&         log_cfg,
                               const dynamic_du_unit_config&   du_loggers)
 {
   // Set log-level of app and all non-layer specific components to app level.
-  for (const auto& id : {"GNB", "ALL", "SCTP-GW", "IO-EPOLL", "UDP-GW", "PCAP"}) {
+  for (const auto& id : {"ALL", "SCTP-GW", "IO-EPOLL", "UDP-GW", "PCAP"}) {
     auto& logger = srslog::fetch_basic_logger(id, false);
     logger.set_level(log_cfg.lib_level);
     logger.set_hex_dump_max_size(log_cfg.hex_max_size);
   }
 
+  auto& app_logger = srslog::fetch_basic_logger("GNB", false);
+  app_logger.set_level(srslog::basic_levels::info);
+  app_services::application_message_banners::log_build_info(app_logger);
+  app_logger.set_level(log_cfg.config_level);
+  app_logger.set_hex_dump_max_size(log_cfg.hex_max_size);
+
   auto& config_logger = srslog::fetch_basic_logger("CONFIG", false);
   config_logger.set_level(log_cfg.config_level);
   config_logger.set_hex_dump_max_size(log_cfg.hex_max_size);
@@ -280,9 +286,6 @@ int main(int argc, char** argv)
   // Setup size of byte buffer pool.
   init_byte_buffer_segment_pool(gnb_cfg.buffer_pool_config.nof_segments, gnb_cfg.buffer_pool_config.segment_size);
 
-  // Log build info
-  gnb_logger.info("Built in {} mode using {}", get_build_mode(), get_build_info());
-
   // Log CPU architecture.
   cpu_architecture_info::get().print_cpu_info(gnb_logger);
 

apps/services/application_message_banners.h

@@ -37,6 +37,13 @@ class application_message_banners
   {
     fmt::print("\n--== srsRAN {} (commit {}) ==--\n\n", app_name, get_build_hash());
   }
+
+  /// Logs in the given logger application build parameters.
+  static void log_build_info(srslog::basic_logger& logger)
+  {
+    // Log build info
+    logger.info("Built in {} mode using {})", get_build_mode(), get_build_info());
+  }
 };
 
 } // namespace app_services