From 46edf6feab35c20317634657f401ff46db95e570 Mon Sep 17 00:00:00 2001
From: Pedro Alvarez <pedro.alvarez@softwareradiosystems.com>
Date: Mon, 13 Nov 2017 15:18:35 +0000
Subject: [PATCH] Small modification to parse config file.

---
 srsepc/epc.conf.example | 25 +++++++++++++++++++++++++
 srsepc/src/main.cc      | 20 ++++++++++++++++++++
 srsepc/src/mme/mme.cc   |  4 ++--
 3 files changed, 47 insertions(+), 2 deletions(-)
 create mode 100644 srsepc/epc.conf.example

diff --git a/srsepc/epc.conf.example b/srsepc/epc.conf.example
new file mode 100644
index 000000000..16434ceee
--- /dev/null
+++ b/srsepc/epc.conf.example
@@ -0,0 +1,25 @@
+#####################################################################
+#                   srsEPC configuration file
+#####################################################################
+
+#####################################################################
+# MME configuration
+#
+# mme_code:         8-bit MME code identifies the MME within a group.
+# mme_group:        16-bit MME group identifier.
+# tac:              16-bit Tracking Area Code.
+# mcc:              Mobile Country Code
+# mnc:              Mobile Network Code
+# mme_bindx_addr:   IP subnet to listen for eNB S1 connnections
+#
+#####################################################################
+[mme]
+mme_code = 0x19
+mme_group = 0x0001
+tac = 0x0001
+mcc = 001
+mnc = 01
+mme_bind_addr = 127.0.0.0/24
+
+
+
diff --git a/srsepc/src/main.cc b/srsepc/src/main.cc
index 366ffaf5f..1627a216c 100644
--- a/srsepc/src/main.cc
+++ b/srsepc/src/main.cc
@@ -22,6 +22,7 @@
  *
  */
 #include <iostream>
+#include <fstream>
 #include <errno.h>
 #include <signal.h>
 #include <boost/program_options.hpp>
@@ -113,6 +114,25 @@ parse_args(all_args_t *args, int argc, char* argv[]) {
       cout << common << endl << general << endl;
       exit(0);
   }
+
+  //Parsing Config File
+  if (!vm.count("config_file")) {
+      cout << "Error: Configuration file not provided" << endl;
+      cout << "Usage: " << argv[0] << " [OPTIONS] config_file" << endl << endl;
+      exit(0);
+  } else {
+      cout << "Reading configuration file " << config_file << "..." << endl;
+      ifstream conf(config_file.c_str(), ios::in);
+      if(conf.fail()) {
+        cout << "Failed to read configuration file " << config_file << " - exiting" << endl;
+        exit(1);
+      }
+      bpo::store(bpo::parse_config_file(conf, common), vm);
+      bpo::notify(vm);
+  }
+
+
+
   //Concert hex strings
   {
     std::stringstream sstr;
diff --git a/srsepc/src/mme/mme.cc b/srsepc/src/mme/mme.cc
index a8629f2fc..8d45276e8 100644
--- a/srsepc/src/mme/mme.cc
+++ b/srsepc/src/mme/mme.cc
@@ -81,8 +81,8 @@ mme::init(mme_args_t* args, srslte::log_filter *s1ap_log)
 
   /*Init logger*/
   m_s1ap_log = s1ap_log;
-  m_s1ap_log->info("MME Initialized\n");
-  m_s1ap_log->console("MME Initialized\n");
+  m_s1ap_log->info("MME Initialized. MCC: %d, MNC: %d\n",args->s1ap_args.mcc, args->s1ap_args.mnc);
+  m_s1ap_log->console("MME Initialized. \n");
   return 0;
 }