u2pnpd: add new package

u²pnpd announces a device as UPnP basic device on the
network so that an user could easily find it. It tries
to detect various system information automatically, however
everything can be overridden by UCI settings.

Signed-off-by: Michael Heimpold <mhei@heimpold.de>

net/u2pnpd/files/u2pnpd.config

@@ -0,0 +1,11 @@
+config u2pnpd
+#	option interface	br-lan
+#	option use_https	no
+#	option manufacturer	'OpenWrt'
+#	option manufacturerURL	'http://www.openwrt.org/'
+#	option modelDescription	''
+#	option modelName	'Generic'
+#	option modelNumber	''
+#	option modelURL		''
+#	option serialNumber	''
+#	option uuid		''

net/u2pnpd/files/u2pnpd.defaults

@@ -0,0 +1,10 @@
+#!/bin/sh
+
+uuid=$(cat /proc/sys/kernel/random/uuid)
+
+uci -q batch <<-EOF >/dev/null
+	set u2pnpd.@u2pnpd[0].uuid=$uuid
+	commit u2pnpd
+EOF
+
+exit 0

net/u2pnpd/files/u2pnpd.init

@@ -0,0 +1,62 @@
+#!/bin/sh /etc/rc.common
+# Copyright (C) 2015 OpenWrt.org
+
+START=50
+STOP=20
+
+SERVICE_DAEMONIZE=1
+SERVICE_PID_FILE=/var/run/u2pnpd.pid
+SERVICE_USE_PID=1
+SERVICE_WRITE_PID=1
+
+start_instance() {
+	local section="$1"
+	local enabled
+	local interface manufacturer manufacturerURL modelDescription
+	local modelName modelNumber modelURL serialNumber friendlyName
+	local uuid httpsURL
+	local i
+
+	config_get_bool enabled "$section" 'enabled' 1
+	[ "$enabled" -gt 0 ] || return 0
+
+	for i in interface httpsURL manufacturer manufacturerURL modelDescription \
+	         modelName modelNumber modelURL serialNumber friendlyName uuid; do
+		config_get "$i" "$section" "$i"
+	done
+
+	[ -n "$interface" ] && SERVICE_PID_FILE="/var/run/u2pnpd.$interface.pid"
+
+	service_start /usr/bin/u2pnpd ${httpsURL:+-s} \
+	    ${interface:+--interface="$interface"} \
+	    ${manufacturer:+--manufacturer="$manufacturer"} \
+	    ${manufacturerURL:+--manufacturerURL="$manufacturerURL"} \
+	    ${modelDescription:+--modelDescription="$modelDescription"} \
+	    ${modelName:+--modelName="$modelName"} \
+	    ${modelNumber:+--modelNumber="$modelNumber"} \
+	    ${modelURL:+--modelURL="$modelURL"} \
+	    ${serialNumber:+--serialNumber="$serialNumber"} \
+	    ${friendlyName:+--friendlyName="$friendlyName"} \
+	    ${uuid:+--uuid="$uuid"}
+}
+
+stop_instance() {
+	local section="$1"
+	local interface
+
+	config_get interface "$section" 'interface'
+	[ -n "$interface" ] && SERVICE_PID_FILE="/var/run/u2pnpd.$interface.pid"
+
+	service_stop /usr/bin/u2pnpd
+	rm -f "$SERVICE_PID_FILE"
+}
+
+start() {
+	config_load 'u2pnpd'
+	config_foreach start_instance 'u2pnpd'
+}
+
+stop() {
+	config_load 'u2pnpd'
+	config_foreach stop_instance 'u2pnpd'
+}