create simple helper method to log command line arguments

lib/include/srslte/common/common_helper.h

@@ -0,0 +1,52 @@
+/*
+ * Copyright 2013-2020 Software Radio Systems Limited
+ *
+ * This file is part of srsLTE.
+ *
+ * srsLTE is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of
+ * the License, or (at your option) any later version.
+ *
+ * srsLTE is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * A copy of the GNU Affero General Public License can be found in
+ * the LICENSE file in the top-level directory of this distribution
+ * and at http://www.gnu.org/licenses/.
+ *
+ */
+
+/**
+ * @file common_helper.h
+ * @brief Common helper functions shared among srsLTE applications.
+ */
+
+#ifndef SRSLTE_COMMON_HELPER_H
+#define SRSLTE_COMMON_HELPER_H
+
+#include "srslte/common/logmap.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif // __cplusplus
+
+void log_args(int argc, char* argv[], std::string service)
+{
+  std::ostringstream s1;
+  s1 << "Using binary " << argv[0] << " with arguments: ";
+  for (int32_t i = 1; i < argc; i++) {
+    s1 << argv[i] << " ";
+  }
+  s1 << std::endl;
+
+  srslte::logmap::get(service)->set_level(srslte::LOG_LEVEL_INFO);
+  srslte::logmap::get(service)->info("%s", s1.str().c_str());
+}
+
+#ifdef __cplusplus
+}
+#endif // __cplusplus
+#endif // SRSLTE_COMMON_HELPER_H

srsenb/src/main.cc

@@ -25,6 +25,7 @@
 #include <stdlib.h>
 #include <unistd.h>
 
+#include "srslte/common/common_helper.h"
 #include "srslte/common/config_file.h"
 #include "srslte/common/crash_handler.h"
 #include "srslte/common/signal_handler.h"
@@ -421,6 +422,7 @@ int main(int argc, char* argv[])
   }
   srslte::logmap::set_default_logger(logger);
   srslte::logmap::get("COMMON")->set_level(srslte::LOG_LEVEL_INFO);
+  log_args(argc, argv, "ENB");
 
   // Create eNB
   unique_ptr<srsenb::enb> enb{new srsenb::enb};

srsepc/src/main.cc

@@ -24,6 +24,7 @@
 #include "srsepc/hdr/spgw/spgw.h"
 #include "srslte/build_info.h"
 #include "srslte/common/bcd_helpers.h"
+#include "srslte/common/common_helper.h"
 #include "srslte/common/config_file.h"
 #include "srslte/common/crash_handler.h"
 #include "srslte/common/signal_handler.h"
@@ -399,6 +400,7 @@ int main(int argc, char* argv[])
     logger = &logger_file;
   }
   srslte::logmap::set_default_logger(logger);
+  log_args(argc, argv, "EPC");
 
   srslte::log_filter nas_log;
   nas_log.init("NAS ", logger);

srsue/src/main.cc

@@ -19,6 +19,7 @@
  *
  */
 
+#include "srslte/common/common_helper.h"
 #include "srslte/common/config_file.h"
 #include "srslte/common/crash_handler.h"
 #include "srslte/common/logmap.h"
@@ -600,6 +601,7 @@ int main(int argc, char* argv[])
     logger = &logger_file;
   }
   srslte::logmap::set_default_logger(logger);
+  log_args(argc, argv, "UE");
 
   // Create UE instance
   srsue::ue ue;