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pilight.coffee
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pilight.coffee
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module.exports = (env) ->
spawn = require("child_process").spawn
util = require 'util'
ssdp = require("node-ssdp")
convict = env.require "convict"
Q = env.require 'q'
assert = env.require 'cassert'
EverSocket = env.EverSocket or require("eversocket").EverSocket
class PilightClient extends EverSocket
constructor: (options) ->
@debug = options.debug
delete options.debug
super(options)
@on "end", =>
@state = "unconnected"
@.on "reconnect", =>
env.logger.info "connected to pilight-daemon"
@sendWelcome()
@on "data", (data) =>
for msg in data.toString().split "\n"
if msg.length isnt 0
@onReceive JSON.parse msg
@on "error", (err) =>
env.logger.error "Error on connection to pilight-daemon: #{err}"
env.logger.debug err.stack
sendWelcome: ->
@state = "welcome"
@send { message: "client gui" }
send: (jsonMsg) ->
success = false
if @state isnt "unconnected"
env.logger.debug("pilight send: ", JSON.stringify(jsonMsg, null, " ")) if @debug
@write JSON.stringify(jsonMsg) + "\n", 'utf8'
success = true
return success
onReceive: (jsonMsg) ->
env.logger.debug("pilight received: ", JSON.stringify(jsonMsg, null, " ")) if @debug
switch @state
when "welcome"
# message: "accept client"
if jsonMsg.message is "accept client"
@state = "connected"
@send { message: "request config" }
when "connected"
switch
when jsonMsg.config?
@emit "config", jsonMsg
when jsonMsg.origin?
@emit "update", jsonMsg
return
class PilightPlugin extends env.plugins.Plugin
framework: null
config: null
state: "unconnected"
pilightConfig: null
client: null
init: (@app, @framework, @config) =>
conf = convict require("./pilight-config-shema")
conf.load config
conf.validate()
@config = conf.get ""
@client = new PilightClient(
reconnectWait: 3000
timeout: @config.timeout
debug: @config.debug
)
if @config.ssdp
ssdpClient = new ssdp(log: true, logLevel: "error")
ssdpPilightFound = false
ssdpClient.on "advertise-alive", inAdvertisement = (headers) =>
#we got an ssdp notify
if ssdpPilightFound
env.logger.debug "got another ssdp notify after we already found pilight"
return
env.logger.debug "SSDP notify: Location = #{headers['LOCATION']} SERVER = #{headers['SERVER']}"
searchResult = headers['LOCATION'].split ":"
hostValue = searchResult[0]
portValue = parseInt searchResult[1]
if portValue != 0
env.logger.info "pilight: found pilight server #{hostValue}:#{portValue}, trying to connect"
@client.connect(
portValue,
hostValue
)
@client.setReconnectOnTimeout true
ssdpPilightFound = true
else
env.logger.error "received port is not a number"
searchSSDP = () =>
if ssdpPilightFound is not true
#searching for pilight ssdp
env.logger.info "pilight: trying to find pilight via SSDP"
ssdpClient.search "urn:schemas-upnp-org:service:pilight:1"
#try searching again in 1s
setTimeout(searchSSDP,5000)
else
env.logger.debug "pilight: skipping ssdp, already found pilight"
searchSSDP()
else
#not using ssdp, connectin normally
@client.connect(
@config.port,
@config.host
)
@client.setReconnectOnTimeout true
@client.on "config", onReceiveConfig = (json) =>
config = json.config
# iterate ´config = { living: { name: "Living", ... }, ...}´
for location, devices of config
# location = "tv"
# device = { name: "Living", order: "1", protocol: [ "kaku_switch" ], ... }
# iterate ´devices = { tv: { name: "TV", ...}, ... }´
for device, deviceProbs of devices
if typeof deviceProbs is "object"
id = "pilight-#{location}-#{device}"
deviceProbs.location = location
deviceProbs.device = device
@handleDeviceInConfig(id, deviceProbs)
return
@client.on "update", onReceivedOrigin = (jsonMsg) =>
if jsonMsg.origin is 'config'
for location, devices of jsonMsg.devices
for device in devices
id = "pilight-#{location}-#{device}"
@emit "update #{id}", jsonMsg
return
handleDeviceInConfig: (id, deviceProbs) =>
getClassFromType = (type) =>
switch type
when 1 then [PilightSwitch, "PilightSwitch"]
when 2 then [PilightDimmer, "PilightDimmer"]
when 3 then [PilightTemperatureSensor, "PilightTemperatureSensor"]
else [null, null]
[Class, ClassName] = getClassFromType deviceProbs.type
unless Class?
env.logger.warn "Unimplemented pilight device type: #{deviceProbs.type}"
return
actuator = @framework.getDeviceById id
if actuator?
unless actuator instanceof Class
env.logger.error "expected #{id} to be an #{Class}"
return
else
config =
id: id
name: deviceProbs.name
class: ClassName
inPilightConfig: true
location: deviceProbs.location
device: deviceProbs.device
settings: {}
if deviceProbs.humidity then config.settings.humidity = 1
if deviceProbs.temperature then config.settings.temperature = 1
actuator = new Class config
@framework.registerDevice actuator
@framework.addDeviceToConfig config
actuator.updateFromPilightConfig deviceProbs
sendState: (id, jsonMsg) ->
deferred = Q.defer()
success = @client.send jsonMsg
if success
event = "update #{id}"
onStateCallback = null
# register a timeout if we dont get a awnser from pilight-daemon
onTimeout = =>
@removeListener event, onStateCallback
deferred.reject new Error "Request to pilight-daemon timeout"
return
receiveTimeout = setTimeout onTimeout, @config.timeout
# if we get a awnser this function get called:
onStateCallback = (state) =>
clearTimeout receiveTimeout
@removeListener event, onStateCallback
deferred.resolve()
@on event, onStateCallback
else
deferred.reject new Error "Could not send request to pilight-daemon"
return deferred.promise
createDevice: (config) =>
return switch config.class
when 'PilightSwitch'
@framework.registerDevice new PilightSwitch config
true
when 'PilightDimmer'
@framework.registerDevice new PilightDimmer config,
true
when 'PilightTemperatureSensor'
@framework.registerDevice new PilightTemperatureSensor config,
true
else false
plugin = new PilightPlugin
class PilightSwitch extends env.devices.PowerSwitch
probs: null
constructor: (@config) ->
assert @config.id?
assert @config.name?
assert @config.location?
assert @config.device?
assert (if @config.lastState? then typeof @config.lastState is "boolean" else true)
@id = config.id
@name = config.name
if config.lastState?
@_state = config.lastState
super()
plugin.on "update #{@id}", (msg) =>
unless msg.values?.state?
env.logger.error "wrong message from piligt daemon received:", msg
return
assert msg.values.state is 'on' or msg.values.state is 'off'
state = (if msg.values.state is 'on' then on else off)
@._setState state
# Run the pilight-send executable.
changeStateTo: (state) ->
if @_state is state
return Q true
jsonMsg =
message: "send"
code:
location: @config.location
device: @config.device
state: if state then "on" else "off"
return plugin.sendState @id, jsonMsg
updateFromPilightConfig: (probs) ->
assert probs?
@name = probs.name
@_setState (if probs.state is 'on' then on else off)
_setState: (state) ->
if state is @_state then return
super state
@config.lastState = state
plugin.framework.saveConfig()
class PilightDimmer extends env.devices.DimmerActuator
constructor: (@config) ->
assert @config.id?
assert @config.name?
assert @config.location?
assert @config.device?
@id = config.id
@name = config.name
if config.lastDimlevel?
@_dimlevel= config.lastDimlevel
super()
plugin.on "update #{@id}", (msg) =>
unless msg.values?.dimlevel? or msg.values?.state?
env.logger.error "wrong message from piligt daemon received:", msg
return
unless msg.values.dimlevel?
msg.values.dimlevel = (if msg.values.state is 'on' then 100 else 0)
dimlevel = msg.values.dimlevel
@_setDimlevel dimlevel
# Run the pilight-send executable.
changeDimlevelTo: (dimlevel) ->
assert not isNaN(dimlevel)
dimLevel = parseFloat(dimLevel)
if @_dimlevel is dimlevel then return Q()
jsonMsg =
message: "send"
code:
location: @config.location
device: @config.device
state: (if dimlevel > 0 then "on" else "off")
values:
dimlevel: dimlevel.toString()
return plugin.sendState @id, jsonMsg
updateFromPilightConfig: (probs) ->
assert probs?
assert probs.dimlevel?
assert not isNaN(probs.dimlevel)
probs.dimlevel = parseFloat(probs.dimlevel)
@name = probs.name
@_setDimlevel probs.dimlevel
_setDimlevel: (dimlevel) ->
if dimlevel is @_dimlevel then return
super dimlevel
@config.lastDimlevel = dimlevel
plugin.framework.saveConfig()
class PilightTemperatureSensor extends env.devices.TemperatureSensor
temperature: null
humidity: null
constructor: (@config) ->
assert @config.id?
assert @config.name?
assert @config.settings?
@id = @config.id
@name = @config.name
if @config.lastTemperature?
@temperature = @config.lastTemperature
if @config.lastHumidity?
@humidity = @config.lastHumidity
if @config.settings.humidity
@attributes.humidity =
description: "the messured humidity"
type: Number
unit: '%'
super()
plugin.on "update #{@id}", (msg) =>
unless msg.values?
env.logger.error "wrong message from piligt daemon received:", msg
return
@setValues msg.values
updateFromPilightConfig: (probs) ->
@name = probs.name
@config.settings = probs.settings
@setValues
temperature: probs.temperature
humidity: probs.humidity
setValues: (values) ->
assert not isNaN(@config.settings.decimals)
if values.temperature?
@temperature = values.temperature/Math.pow(10, @config.settings.decimals)
@emit "temperature", @temperature
@config.lastTemperature = @temperature
if values.humidity?
@humidity = values.humidity/Math.pow(10, @config.settings.decimals)
@emit "humidity", @humidity
@config.lastHumidity = @humidity
plugin.framework.saveConfig()
return
getTemperature: -> Q(@temperature)
getHumidity: -> Q(@humidity)
# For testing...
plugin.PilightSwitch = PilightSwitch
plugin.PilightDimmer = PilightDimmer
plugin.PilightTemperatureSensor = PilightTemperatureSensor
return plugin