naywatch: fix procd handling

Sometimes, naywatch can not handover the watchdog to procd again using
ubus. We need to call the same ubus command multiple times until procd
takes over control again.

Signed-off-by: Nick Hainke <vincent@systemli.org>
(cherry picked from commit e35255710bda08f162a185be8c460b6a80e19fb1)

diff --git a/naywatch/files/naywatch.init b/naywatch/files/naywatch.init
index ac39a99933ba203814c805f2affb9ab589ef5fcf..82f53c625e0844d1357a35e555a07bd24986042c 100644 (file)
--- a/naywatch/files/naywatch.init
+++ b/naywatch/files/naywatch.init
@@ -1,5 +1,7 @@
 #!/bin/sh /etc/rc.common
 
+. /usr/share/libubox/jshn.sh
+
 USE_PROCD=1
 START=95
 STOP=01
@@ -58,8 +60,30 @@ stop_service() {
     sync && wait
 }
 
+watchdog_procd_runnig() {
+       watch=$(ubus call system watchdog)
+       json_load "$watch"
+       json_get_var watchdogstatus status
+       if [[ "$watchdogstatus" == "running" ]] ; then
+        echo "1"
+        return
+       fi
+    echo "0"
+}
+
 service_stopped() {
     log "Naywatch Stopped!"
-    log "Handover Watchdog to procd again:"
-    ubus call system watchdog '{"magicclose":true,"stop":false}' > /dev/null
+    log "Try to handover watchdog to procd again."
+    for i in 1 2 3 4 5 6 7 8 9 10 ; do
+        sleep 5
+        ubus call system watchdog '{"stop":false}' > /dev/null
+        if [[ $(watchdog_procd_runnig) == "1" ]] ; then
+            break
+        fi
+    done
+    if [[ $(watchdog_procd_runnig) == "1" ]] ; then
+        log "Handover sucessfully!"
+    else
+        log "Handover to procd failed! Device can reboot!"
+    fi
 }