[luci-app-openvpn] Optimized code and added suggested fix from #650

Signed-off-by: Vladimir Ulrich <admin@evl.su>

diff --git a/applications/luci-app-openvpn/luasrc/model/cbi/openvpn.lua b/applications/luci-app-openvpn/luasrc/model/cbi/openvpn.lua
index 8b2ce5a85a76ce63499a87b9fef5ad5bed2103ea..1a1d33aa25c81b55fd01b2778f1a52e4dc78b6e9 100644 (file)
--- a/applications/luci-app-openvpn/luasrc/model/cbi/openvpn.lua
+++ b/applications/luci-app-openvpn/luasrc/model/cbi/openvpn.lua
@@ -25,6 +25,10 @@ uci:foreach( "openvpn_recipes", "openvpn_recipe",
        end
 )
 
+function s.getPID(section)
+       return sys.exec("%s | grep -w %s | grep openvpn | grep -v grep | awk '{print $1}'" % { psstring,section} )
+end
+
 function s.parse(self, section)
        local recipe = luci.http.formvalue(
                luci.cbi.CREATE_PREFIX .. self.config .. "." ..
@@ -68,7 +72,7 @@ s:option( Flag, "enabled", translate("Enabled") )
 
 local active = s:option( DummyValue, "_active", translate("Started") )
 function active.cfgvalue(self, section)
-       local pid = sys.exec("%s | grep %s | grep openvpn | grep -v grep | awk '{print $1}'" % { psstring,section} )
+       local pid = s.getPID(section)
        if pid and #pid > 0 and tonumber(pid) ~= nil then
                return (sys.process.signal(pid, 0))
                        and translatef("yes (%i)", pid)
@@ -83,7 +87,7 @@ updown.redirect = luci.dispatcher.build_url(
        "admin", "services", "openvpn"
 )
 function updown.cbid(self, section)
-       local pid = sys.exec("%s | grep %s | grep openvpn | grep -v grep | awk '{print $1}'" % { psstring,section} )
+       local pid = s.getPID(section)
        self._state = pid and #pid > 0 and sys.process.signal(pid, 0)
        self.option = self._state and "stop" or "start"
        return AbstractValue.cbid(self, section)
@@ -94,7 +98,7 @@ function updown.cfgvalue(self, section)
 end
 function updown.write(self, section, value)
        if self.option == "stop" then
-               local pid = sys.exec("%s | grep %s | grep openvpn | grep -v grep | awk '{print $1}'" % { psstring,section} )
+               local pid = s.getPID(section)
                sys.process.signal(pid,15)
        else
                luci.sys.call("/etc/init.d/openvpn start %s" % section)