add openwrt example packagev0.01

Signed-off-by: Bjørn Mork <bjorn@mork.no>

3 files changed, 150 insertions, 0 deletions

diff --git a/pkg/openwrt/Makefile b/pkg/openwrt/Makefile
new file mode 100644
index 0000000..c7abb13
--- /dev/null
+++ b/pkg/openwrt/Makefile
@@ -0,0 +1,45 @@
+include $(TOPDIR)/rules.mk
+
+PKG_NAME:=obinsect
+PKG_RELEASE:=1
+
+PKG_VERSION=0.01
+PKG_SOURCE_PROTO:=git
+PKG_SOURCE_URL=https://github.com/bmork/obinsect.git
+PKG_SOURCE_VERSION:=v$(PKG_VERSION)
+PKG_SOURCE_SUBDIR:=$(PKG_NAME)-$(PKG_SOURCE_VERSION)
+PKG_BUILD_DIR:=$(BUILD_DIR)/$(PKG_SOURCE_SUBDIR)
+
+PKG_MAINTAINER:=Bjørn Mork <bjorn@mork.no>
+
+PKG_LICENSE:=GPL-2.0
+
+PKG_BUILD_PARALLEL:=1
+
+include $(INCLUDE_DIR)/package.mk
+
+
+define Package/obinsect
+  SECTION:=net
+  CATEGORY:=Network
+  DEPENDS:=+libjson-c +libmosquitto
+  TITLE:=AMS HAN M-BUS to MQTT proxy
+endef
+
+define Package/obinsect/description
+  Read energy meter M-BUS HAN port and publish data to a MQTT broker
+endef
+
+define Package/obinsect/install
+	$(INSTALL_DIR) $(1)/usr/sbin $(1)/usr/share/obinsect $(1)/etc/init.d/ $(1)/etc/config
+	$(INSTALL_BIN) $(PKG_BUILD_DIR)/obinsectd $(1)/usr/sbin/
+	$(INSTALL_DATA) $(PKG_BUILD_DIR)/*.json $(1)/usr/share/obinsect/
+	$(INSTALL_BIN) ./files/obinsect.init $(1)/etc/init.d/obinsect
+	$(INSTALL_CONF) ./files/obinsect.config $(1)/etc/config/obinsect
+endef
+
+define Package/obinsect/conffiles
+/etc/config/obinsect
+endef
+
+$(eval $(call BuildPackage,obinsect))
diff --git a/pkg/openwrt/files/obinsect.config b/pkg/openwrt/files/obinsect.config
new file mode 100644
index 0000000..09e221b
--- /dev/null
+++ b/pkg/openwrt/files/obinsect.config
@@ -0,0 +1,28 @@
+config obinsect config
+	option serial /dev/ttyUSB0
+	option broker 127.0.0.1
+	list obisdefs "/usr/share/obinsect/aidon_v0001.json"
+	list obisdefs "/usr/share/obinsect/kfm_001.json"
+	list obisdefs "/usr/share/obinsect/kamstrup_v0001.json"
+
+config publish
+	option topic "/obinsect/value/power"
+	option value "Power"
+
+config publish
+	option topic "/obinsect/cumul/energy"
+	list value "CumulativeEnergy"
+	list value "MeterTime"
+	list value "timestamp"
+
+config publish
+	option topic "/obinsect/log/debug"
+	option value "debug"
+
+config publish
+	option topic "/obinsect/log/info"
+	option value "info"
+
+config publish
+	option topic "/obinsect/log/error"
+	option value "error"
diff --git a/pkg/openwrt/files/obinsect.init b/pkg/openwrt/files/obinsect.init
new file mode 100644
index 0000000..5e547ed
--- /dev/null
+++ b/pkg/openwrt/files/obinsect.init
@@ -0,0 +1,77 @@
+#!/bin/sh /etc/rc.common
+# Copyright (C) 2019 Bjørn Mork <bjorn@mork.no>
+
+START=90
+STOP=01
+
+USE_PROCD=1
+OBINSECT_CONF=/tmp/obinsect.conf
+
+add_topic()
+{
+    local _name="$1"
+    local _topic
+    local _value
+    local _tmp
+    
+    config_get _topic "$_name" 'topic'
+    config_get _value "$_name"  'value'
+    if [ "${_value% *}" == "$_value" ]; then
+	json_add_string "$_topic" "$_value"
+    else
+	json_add_array "$_topic"
+	for _tmp in $_value; do
+	    json_add_string "" "$_tmp"
+	done
+	json_close_array
+    fi
+}
+
+write_obinsect_conf()
+{
+    . /lib/functions.sh
+    . /usr/share/libubox/jshn.sh
+    config_load 'obinsect'
+
+    json_init
+    json_add_object 'topicmap'
+    config_foreach add_topic 'publish'
+    json_close_object
+
+
+    config_get obisdefs 'config' 'obisdefs'
+    json_add_array 'obisdefs'
+    for obisdef in $obisdefs; do
+	json_add_string "" "$obisdef"
+    done
+    json_close_array
+
+
+    json_dump > "$OBINSECT_CONF"
+}
+
+start_service() {
+
+	write_obinsect_conf
+	config_get serial 'config' 'serial'
+	config_get broker 'config' 'broker'
+
+	procd_open_instance
+	procd_set_param command /usr/sbin/obinsectd
+	procd_append_param command -c "$OBINSECT_CONF"
+	procd_append_param command -s "$serial"
+	procd_append_param command -b "$broker"
+	procd_set_param respawn
+	procd_close_instance
+}
+
+service_running() {
+	pgrep -x /usr/sbin/obinsectd &> /dev/null
+}
+
+reload_service() {
+	running || return 1
+	write_obinsect_conf
+	return 0
+}
+