e1_recorder: Skip storing data to disk if line is in ALARM state
Change-Id: Ie4c671053d372bc700f506198d1916853da03b9e
diff --git a/src/e1_recorder.c b/src/e1_recorder.c
index 9110ccb..4887c3d 100644
--- a/src/e1_recorder.c
+++ b/src/e1_recorder.c
@@ -28,6 +28,29 @@
}
}
+static int sig_inp_cbfn(unsigned int subsys, unsigned int signal, void *handler_data, void *signal_data)
+{
+ struct input_signal_data *isd = signal_data;
+ struct e1_recorder_line *rline;
+
+ OSMO_ASSERT(subsys == SS_L_INPUT);
+ OSMO_ASSERT(isd->line && isd->line->num < ARRAY_SIZE(g_recorder.line));
+
+ switch (signal) {
+ case S_L_INP_LINE_ALARM:
+ LOGP(DMAIN, LOGL_NOTICE, "Line %u: ALARM\n", isd->line->num);
+ rline = &g_recorder.line[isd->line->num];
+ rline->has_alarm = true;
+ break;
+ case S_L_INP_LINE_NOALARM:
+ LOGP(DMAIN, LOGL_NOTICE, "Line %u: NOALARM\n", isd->line->num);
+ rline = &g_recorder.line[isd->line->num];
+ rline->has_alarm = false;
+ break;
+ }
+ return 0;
+}
+
/* receive a raw message frome the E1 timeslot */
void e1ts_raw_recv(struct e1inp_ts *ts, struct msgb *msg)
{
@@ -35,6 +58,11 @@
enum osmo_e1cap_capture_mode cap_mode = ts2cap_mode(ts);
int rc;
+ if (rline->has_alarm) {
+ DEBUGP(DMAIN, "Skipping storage as line %u is in ALARM\n", ts->line->num);
+ return;
+ }
+
/* FIXME: special processing of TFP and PGSL */
rc = e1frame_store(ts, msg, cap_mode);
@@ -144,6 +172,8 @@
handle_options(argc, argv);
+ osmo_signal_register_handler(SS_L_INPUT, sig_inp_cbfn, NULL);
+
rc = vty_read_config_file(g_config_file, NULL);
if (rc < 0)
exit(1);
diff --git a/src/recorder.h b/src/recorder.h
index 12bc993..458fb1d 100644
--- a/src/recorder.h
+++ b/src/recorder.h
@@ -17,6 +17,7 @@
};
struct e1_recorder_line {
+ bool has_alarm;
struct {
bool enabled;
uint8_t line_nr;