procd: add procd_running() helper for checking running state

[openwrt/openwrt.git] / package / system / procd / files / procd.sh

diff --git a/package/system/procd/files/procd.sh b/package/system/procd/files/procd.sh
index b49b2b9d0194c7aae5f63a3f82b90918218d5060..8d6d4060125f7dc8c07f967ac323793fb7b32d3e 100644 (file)
--- a/package/system/procd/files/procd.sh
+++ b/package/system/procd/files/procd.sh
@@ -30,6 +30,9 @@
 # procd_close_instance():
 #   Complete the instance being prepared
 #
+# procd_running(service, [instance]):
+#   Checks if service/instance is currently running
+#
 # procd_kill(service, [instance]):
 #   Kill a service instance (or all instances)
 #
@@ -402,6 +405,18 @@ _procd_add_instance() {
        _procd_close_instance
 }
 
+procd_running() {
+       local service="$1"
+       local instance="${2:-instance1}"
+       local running
+
+       json_init
+       json_add_string name "$service"
+       running=$(_procd_ubus_call list | jsonfilter -e "@.$service.instances.${instance}.running")
+
+       [ "$running" = "true" ]
+}
+
 _procd_kill() {
        local service="$1"
        local instance="$2"