rpcd-mod-poe: add package

simple package to manipulate gpio pins via the web interface. This was
tested on a UBNT EdgePing R6 turining on and off the 4 PoE ports
(496-500).

Signed-off-by: Paul Spooren <mail@aparcar.org>

diff --git a/utils/rpcd-mod-poe/Makefile b/utils/rpcd-mod-poe/Makefile
new file mode 100644 (file)
index 0000000..64cb49f
--- /dev/null
+++ b/utils/rpcd-mod-poe/Makefile
@@ -0,0 +1,41 @@
+# This is free software, licensed under the GNU General Public License v2.
+# See /LICENSE for more information.
+#
+
+include $(TOPDIR)/rules.mk
+
+PKG_NAME:=rpcd-mod-poe
+PKG_VERSION:=0.1
+PKG_RELEASE:=1
+PKG_LICENSE:=GPL-2.0
+
+include $(INCLUDE_DIR)/package.mk
+
+define Package/rpcd-mod-poe
+  SECTION:=utils
+  CATEGORY:=Base system
+  TITLE:=OpenWrt ubus PoE interface
+  MAINTAINER:=Paul Spooren <mail@aparcar.org>
+  DEPENDS:=+rpcd +kmod-i2c-gpio-custom
+endef
+
+define Package/rpcd-mod-poe/description
+       Expose ubus procedures to query, enable and disable the per-port PoE power
+       on Ubiquity devices and similar platforms.
+endef
+
+define Build/Compile
+endef
+
+define Build/Configure
+endef
+
+define Package/rpcd-mod-poe/install
+       $(INSTALL_DIR) $(1)/usr/share/rpcd/acl.d/
+       $(INSTALL_BIN) ./files/poe.acl $(1)/usr/share/rpcd/acl.d/poe.json
+
+       $(INSTALL_DIR) $(1)/usr/libexec/rpcd/
+       $(INSTALL_BIN) ./files/poe.rpcd $(1)/usr/libexec/rpcd/poe
+endef
+
+$(eval $(call BuildPackage,rpcd-mod-poe))

diff --git a/utils/rpcd-mod-poe/files/poe.acl b/utils/rpcd-mod-poe/files/poe.acl
new file mode 100644 (file)
index 0000000..cad1860
--- /dev/null
+++ b/utils/rpcd-mod-poe/files/poe.acl
@@ -0,0 +1,22 @@
+{
+       "poe": {
+               "description": "manipulate gpio pins to enable/disable poe",
+               "read": {
+                       "ubus": {
+                               "poe": [
+                                       "status",
+                                       "list"
+                               ]
+                       }
+               },
+               "write": {
+                       "ubus": {
+                               "poe": [
+                                       "on",
+                                       "off",
+                                       "powercycle"
+                               ]
+                       }
+               }
+       }
+}

diff --git a/utils/rpcd-mod-poe/files/poe.rpcd b/utils/rpcd-mod-poe/files/poe.rpcd
new file mode 100755 (executable)
index 0000000..eb779de
--- /dev/null
+++ b/utils/rpcd-mod-poe/files/poe.rpcd
@@ -0,0 +1,89 @@
+#!/bin/sh
+
+. /usr/share/libubox/jshn.sh
+
+print_active()
+{
+       json_init
+       json_add_string "active" "$(uci get system.poe_power_port${port}.value)"
+       json_dump
+}
+
+
+json_port()
+{
+       json_add_object "poe_power_port${1}"
+       json_add_string "name" "$(uci get system.poe_power_port${1}.name)"
+       json_add_int "gpio_pin" "$(uci get system.poe_power_port${1}.gpio_pin)"
+       json_add_int "active" "$(uci get system.poe_power_port${1}.value)"
+       json_close_object
+}
+
+case "$1" in
+list)
+       json_init
+       json_add_object "on"
+       json_add_int "port"
+       json_close_object
+       json_add_object "off"
+       json_add_int "port"
+       json_close_object
+       json_add_object "powercycle"
+       json_add_int "port"
+       json_close_object
+       json_add_object "status"
+       json_add_int "port"
+       json_close_object
+       json_add_object "list"
+       json_close_object
+       json_dump
+       ;;
+call)
+       read input
+       json_load "$input"
+       json_get_var port port
+
+       uci get system.poe_power_port${port}.value 2>/dev/null 1>/dev/null || {
+               json_init
+               json_add_string "error" "gpio $gpio not found"
+               json_dump
+       }
+
+       case "$2" in
+       on)
+               uci set system.poe_power_port${port}.value=1
+               uci commit system
+               /etc/init.d/gpio_switch restart
+               print_active
+               ;;
+       off)
+               uci set system.poe_power_port${port}.value=0
+               uci commit system
+               /etc/init.d/gpio_switch restart
+               print_active
+               ;;
+       powercycle)
+               uci set system.poe_power_port${port}.value=0
+               /etc/init.d/gpio_switch restart
+               sleep 1
+               uci set system.poe_power_port${port}.value=1
+               uci commit system
+               /etc/init.d/gpio_switch restart
+               print_active
+               ;;
+       status)
+               # in future version additional status information like voltage
+               # and current should follow
+               print_active
+               ;;
+       list)
+               json_init
+               port=0;
+               while uci show system.@gpio_switch[$port] 2>/dev/null 1>/dev/null; do
+                       json_port $port
+                       port=$((port+1))
+               done
+               json_dump
+               ;;
+       esac
+esac