- Add date to log timestamps.

- Print once per second the current timestamp into stdout, feature guarded by a config expert option.

lib/src/srslog/formatters/text_formatter.cpp

@@ -43,7 +43,7 @@ static void format_metadata(const detail::log_entry_metadata& metadata, fmt::mem
   std::tm current_time = fmt::gmtime(std::chrono::high_resolution_clock::to_time_t(metadata.tp));
   auto    us_fraction =
       std::chrono::duration_cast<std::chrono::microseconds>(metadata.tp.time_since_epoch()).count() % 1000000u;
-  fmt::format_to(buffer, "{:%H:%M:%S}.{:06} ", current_time, us_fraction);
+  fmt::format_to(buffer, "{:%F}T{:%H:%M:%S}.{:06} ", current_time, current_time, us_fraction);
 
   // Format optional fields if present.
   if (!metadata.log_name.empty()) {

srsenb/enb.conf.example

@@ -326,6 +326,7 @@ enable = false
 # tracing_enable:       Write source code tracing information to a file.
 # tracing_filename:     File path to use for tracing information.
 # tracing_buffcapacity: Maximum capacity in bytes the tracing framework can store.
+# stdout_ts_enable:     Prints once per second the timestamp into stdout.
 # pregenerate_signals:  Pregenerate uplink signals after attach. Improves CPU performance.
 # tx_amplitude:         Transmit amplitude factor (set 0-1 to reduce PAPR)
 # rrc_inactivity_timer  Inactivity timeout used to remove UE context from RRC (in milliseconds).
@@ -353,6 +354,7 @@ enable = false
 #tracing_enable       = true
 #tracing_filename     = /tmp/enb_tracing.log
 #tracing_buffcapacity = 1000000
+#stdout_ts_enable     = false
 #pregenerate_signals  = false
 #tx_amplitude         = 0.6
 #rrc_inactivity_timer = 30000

srsenb/src/main.cc

@@ -46,6 +46,7 @@ namespace bpo = boost::program_options;
  *  Program arguments processing
  ***********************************************************************/
 string      config_file;
+static bool stdout_ts_enable = false;
 
 void parse_args(all_args_t* args, int argc, char* argv[])
 {
@@ -226,6 +227,7 @@ void parse_args(all_args_t* args, int argc, char* argv[])
     ("expert.tracing_enable",  bpo::value<bool>(&args->general.tracing_enable)->default_value(false), "Events tracing")
     ("expert.tracing_filename", bpo::value<string>(&args->general.tracing_filename)->default_value("/tmp/enb_tracing.log"), "Tracing events filename")
     ("expert.tracing_buffcapacity", bpo::value<std::size_t>(&args->general.tracing_buffcapacity)->default_value(1000000), "Tracing buffer capcity")
+    ("expert.stdout_ts_enable", bpo::value<bool>(&stdout_ts_enable)->default_value(false), "Prints once per second the timestamp into stdout")
     ("expert.rrc_inactivity_timer", bpo::value<uint32_t>(&args->general.rrc_inactivity_timer)->default_value(30000), "Inactivity timer in ms.")
     ("expert.print_buffer_state", bpo::value<bool>(&args->general.print_buffer_state)->default_value(false), "Prints on the console the buffer state every 10 seconds")
     ("expert.eea_pref_list", bpo::value<string>(&args->general.eea_pref_list)->default_value("EEA0, EEA2, EEA1"), "Ordered preference list for the selection of encryption algorithm (EEA) (default: EEA0, EEA2, EEA1).")
@@ -623,6 +625,7 @@ int main(int argc, char* argv[])
     }
   }
   int cnt    = 0;
+  int ts_cnt = 0;
   while (running) {
     if (args.general.print_buffer_state) {
       cnt++;
@@ -631,6 +634,16 @@ int main(int argc, char* argv[])
         enb->print_pool();
       }
     }
+    if (stdout_ts_enable) {
+      if (++ts_cnt == 100) {
+        ts_cnt = 0;
+        char        buff[64];
+        std::time_t t = std::time(nullptr);
+        if (std::strftime(buff, sizeof(buff), "%FT%T", std::gmtime(&t))) {
+          std::cout << buff << '\n';
+        }
+      }
+    }
     std::this_thread::sleep_for(std::chrono::milliseconds(10));
   }
   input.join();