Change in osmo-bts[master]: osmo-bts-lc15: Change LED behaviour to be the same as oc2g

[Daniel Willmann]

Daniel Willmann has uploaded this change for review. ( https://gerrit.osmocom.org/14260


Change subject: osmo-bts-lc15: Change LED behaviour to be the same as oc2g
......................................................................

osmo-bts-lc15: Change LED behaviour to be the same as oc2g

It looks like the status LED on the sysmobts2100 never worked correctly
since lc15bts-mgr expects osmo-bts-lc15 to create and manage
/var/run/osmo-bts/state, but there is nothing to do so in osmo-bts.

This patch copies the functions from oc2g to manage the state file in
lc15.

Change-Id: Iad32a22fc72e2aba45e4f1b9ae585f6e0b8757ed
Related: SYS#4493
---
M contrib/systemd/osmo-bts-lc15.service
M src/osmo-bts-litecell15/main.c
2 files changed, 31 insertions(+), 14 deletions(-)



  git pull ssh://gerrit.osmocom.org:29418/osmo-bts refs/changes/60/14260/1

diff --git a/contrib/systemd/osmo-bts-lc15.service b/contrib/systemd/osmo-bts-lc15.service
index 90e7fc2..7c51110 100644
--- a/contrib/systemd/osmo-bts-lc15.service
+++ b/contrib/systemd/osmo-bts-lc15.service
@@ -3,11 +3,8 @@
 
 [Service]
 Type=simple
-ExecStartPre=/bin/sh -c 'echo 1 > /sys/class/leds/usr0/brightness'
-ExecStartPre=/bin/sh -c 'echo 1 > /sys/class/leds/usr1/brightness'
 ExecStart=/usr/bin/osmo-bts-lc15 -t 2 -s -c /etc/osmocom/osmo-bts-lc15.cfg -M
-ExecStopPost=/bin/sh -c 'echo 1 > /sys/class/leds/usr0/brightness'
-ExecStopPost=/bin/sh -c 'echo 0 > /sys/class/leds/usr1/brightness'
+RuntimeDirectory=osmo-bts
 Restart=always
 RestartSec=2
 RestartPreventExitStatus=1
diff --git a/src/osmo-bts-litecell15/main.c b/src/osmo-bts-litecell15/main.c
index e4f9a56..c47d76d 100644
--- a/src/osmo-bts-litecell15/main.c
+++ b/src/osmo-bts-litecell15/main.c
@@ -51,6 +51,25 @@
 #include <osmo-bts/pcu_if.h>
 #include <osmo-bts/l1sap.h>
 
+static int write_status_file(char *status_file, char *status_str)
+{
+	FILE *outf;
+	char tmp[PATH_MAX+1];
+
+	snprintf(tmp, sizeof(tmp)-1, "/var/run/osmo-bts/%s", status_file);
+	tmp[PATH_MAX-1] = '\0';
+
+	outf = fopen(tmp, "w");
+	if (!outf)
+		return -1;
+
+	fprintf(outf, "%s\n", status_str);
+
+	fclose(outf);
+
+	return 0;
+}
+
 /*NTQD: Change how rx_nr is handle in multi-trx*/
 #define LC15BTS_RF_LOCK_PATH	"/var/lock/bts_rf_lock"
 
@@ -116,6 +135,9 @@
 
 int bts_model_oml_estab(struct gsm_bts *bts)
 {
+	/* update status file */
+	write_status_file("state", "");
+
 	return 0;
 }
 
@@ -123,24 +145,16 @@
 {
 	static uint64_t states = 0;
 	uint64_t old_states = states;
-	int led_rf_active_on;
 
 	if (on)
 		states |= (1ULL << which);
 	else
 		states &= ~(1ULL << which);
 
-	led_rf_active_on =
-		(states & (1ULL << BTS_STATUS_RF_ACTIVE)) &&
-		!(states & (1ULL << BTS_STATUS_RF_MUTE));
-
 	LOGP(DL1C, LOGL_INFO,
-	     "Set global status #%d to %d (%04llx -> %04llx), LEDs: ACT %d\n",
+	     "Set global status #%d to %d (%04llx -> %04llx)",
 	     which, on,
-	     (long long)old_states, (long long)states,
-	     led_rf_active_on);
-
-	lc15bts_led_set(led_rf_active_on ? LED_GREEN : LED_OFF);
+	     (long long)old_states, (long long)states);
 }
 
 void bts_model_print_help()
@@ -197,11 +211,17 @@
 
 void bts_model_abis_close(struct gsm_bts *bts)
 {
+	/* write to status file */
+	write_status_file("state", "ABIS DOWN");
+
 	/* for now, we simply terminate the program and re-spawn */
 	bts_shutdown(bts, "Abis close");
 }
 
 int main(int argc, char **argv)
 {
+	/* create status file with initial state */
+	write_status_file("state", "ABIS DOWN");
+
 	return bts_main(argc, argv);
 }

-- 
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Gerrit-Project: osmo-bts
Gerrit-Branch: master
Gerrit-MessageType: newchange
Gerrit-Change-Id: Iad32a22fc72e2aba45e4f1b9ae585f6e0b8757ed
Gerrit-Change-Number: 14260
Gerrit-PatchSet: 1
Gerrit-Owner: Daniel Willmann <dwillmann at sysmocom.de>
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