Class: SensorPushApiConnection

Inherits:
Object
  • Object
show all
Defined in:
lib/logstash/inputs/sensorpush.rb

Overview

Generate a repeating message.

This plugin is intented only as an example.

Instance Method Summary collapse

Constructor Details

#initialize(email, password, logger) ⇒ SensorPushApiConnection

Returns a new instance of SensorPushApiConnection.



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# File 'lib/logstash/inputs/sensorpush.rb', line 11

def initialize(email, password, logger)
  @session = Net::HTTP.start("api.sensorpush.com", 443, use_ssl: true)
  
  @logger = logger
  @email = email
  @password = password

  @token_hash = {
    expires: 0
  }
end

Instance Method Details

#get_latest_values(sensor, to = nil, from = nil) ⇒ Object 



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# File 'lib/logstash/inputs/sensorpush.rb', line 88

def get_latest_values(sensor, to = nil, from = nil)
  sensor_id = sensor["id"]
  
  body = {
    sensors: [sensor_id],
    limit: 300
  }

  if !from.nil?
    body["startTime"] = from.iso8601(3)
  end
  
  if !to.nil?
    body["stopTime"] = to.iso8601(3)
  end
  
  req = Net::HTTP::Post.new("/api/v1/samples")
  req.body = JSON.generate(body)
  resp = self.send_request(req)

  ret = resp["sensors"][sensor_id]

  if ret.nil?
    return []
  end
  
  return ret
end

#get_sensors_map ⇒ Object 



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# File 'lib/logstash/inputs/sensorpush.rb', line 82

def get_sensors_map
  resp = self.send_request(Net::HTTP::Post.new("/api/v1/devices/sensors"))
  
  return resp
end

#get_token ⇒ Object 



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# File 'lib/logstash/inputs/sensorpush.rb', line 23

def get_token
  now = Time.now.to_i

  expires = @token_hash[:expires]

  if expires < now
    @logger.debug("Getting SensorPush API authorization token")
    
    auth_req = Net::HTTP::Post.new("/api/v1/oauth/authorize")
    auth_req.body = JSON.generate({
      email: @email,
      password: @password.value
    })
    auth_req["Accept"] = "application/json"
    auth_req["Content-Type"] = "application/json"
    
    auth_resp = @session.request(auth_req)

    auth_resp_json = JSON.parse(auth_resp.body)


    @logger.debug("Getting SensorPush API access token")
    
    token_req = Net::HTTP::Post.new("/api/v1/oauth/accesstoken")
    token_req.body = JSON.generate({
      authorization: auth_resp_json["authorization"]
    })
    token_req["Accept"] = "application/json"
    token_req["Content-Type"] = "application/json"
    
    token_resp = @session.request(token_req)

    token_resp_json = JSON.parse(token_resp.body)

    @token_hash = {
      expires: now + 120,
      response: token_resp_json
    }
  end

  return @token_hash[:response]["accesstoken"]
end

#send_request(req) ⇒ Object 



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# File 'lib/logstash/inputs/sensorpush.rb', line 66

def send_request(req)
  req["Accept"] = "application/json"
  req["Authorization"] = self.get_token
  
  resp = @session.request(req)

  resp_json = JSON.parse(resp.body)

  error = resp_json["error_description"]
  if error
    @logger.error("Error received from SensorPush API", :error => error)
  end

  return resp_json
end