Putting back SIGINT detection for lte-softmodem and initial skeleton to...

Putting back SIGINT detection for lte-softmodem and initial skeleton to retrieve runtime stats from eNB/gNB
Signed-off-by: Raphael Defosseux <raphael.defosseux@eurecom.fr>

ci-scripts/ran.py

@@ -698,7 +698,30 @@ class RANManagement():
 		X2HO_inNbProcedures = 0
 		X2HO_outNbProcedures = 0
 		global_status = CONST.ALL_PROCESSES_OK
+		# Runtime statistics
+		runTime = ''
+		userTime = ''
+		systemTime = ''
+		maxPhyMemUsage = ''
+		nbContextSwitches = ''
 		for line in enb_log_file.readlines():
+			# Runtime statistics
+			result = re.search('Run time:' ,str(line))
+			if result is not None:
+				runTime = str(line).strip()
+			if runTime != '':
+				result = re.search('Time executing user inst', str(line))
+				if result is not None:
+					userTime = 'to be decoded - 1'
+				result = re.search('Time executing system inst', str(line))
+				if result is not None:
+					systemTime = 'to be decoded - 2'
+				result = re.search('Max. Phy. memory usage:', str(line))
+				if result is not None:
+					maxPhyMemUsage = 'to be decoded - 3'
+				result = re.search('Number of context switch.*process origin', str(line))
+				if result is not None:
+					nbContextSwitches = 'to be decoded - 4'
 			if X2HO_state == CONST.X2_HO_REQ_STATE__IDLE:
 				result = re.search('target eNB Receives X2 HO Req X2AP_HANDOVER_REQ', str(line))
 				if result is not None:
@@ -955,4 +978,11 @@ class RANManagement():
 			global_status = CONST.ENB_PROCESS_REALTIME_ISSUE
 		if self.htmlObj is not None:
 			self.htmlObj.HmleNBFailureMsg=htmleNBFailureMsg
+		# Runtime statistics
+		if runTime != '':
+			logging.debug(runTime)
+			logging.debug('Time executing user inst   : ' + userTime)
+			logging.debug('Time executing system inst : ' + systemTime)
+			logging.debug('Max Physical Memory Usage  : ' + maxPhyMemUsage)
+			logging.debug('Nb Context Switches        : ' + nbContextSwitches)
 		return global_status

openair2/X2AP/x2ap_eNB.c

@@ -116,7 +116,9 @@ void x2ap_eNB_handle_sctp_association_resp(instance_t instance, sctp_new_associa
       /* some sanity check - to be refined at some point */
       if (sctp_new_association_resp->sctp_state != SCTP_STATE_ESTABLISHED) {
         X2AP_ERROR("x2ap_enb_data_p not NULL and sctp state not SCTP_STATE_ESTABLISHED, what to do?\n");
-        abort();
+        // Allow for a gracious exit when we kill first the gNB, then the eNB
+        //abort();
+        return;
       }
 
       x2ap_enb_data_p->in_streams  = sctp_new_association_resp->in_streams;

targets/RT/USER/lte-softmodem.c

@@ -556,6 +556,8 @@ int main ( int argc, char **argv )
 
   MSC_INIT(MSC_E_UTRAN, THREAD_MAX+TASK_MAX);
   init_opt();
+  // to make a graceful exit when ctrl-c is pressed
+  set_softmodem_sighandler();
   check_clock();
 #ifndef PACKAGE_VERSION
 #  define PACKAGE_VERSION "UNKNOWN-EXPERIMENTAL"