Class: PahoMqtt::Publisher

Inherits:
Object
  • Object
show all
Defined in:
lib/paho_mqtt/publisher.rb

Instance Method Summary collapse

Constructor Details

#initialize(sender) ⇒ Publisher

Returns a new instance of Publisher.



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# File 'lib/paho_mqtt/publisher.rb', line 18

def initialize(sender)
  @waiting_puback  = []
  @waiting_pubrec  = []
  @waiting_pubrel  = []
  @waiting_pubcomp = []
  @puback_mutex    = Mutex.new
  @pubrec_mutex    = Mutex.new
  @pubrel_mutex    = Mutex.new
  @pubcomp_mutex   = Mutex.new
  @sender          = sender
end

Instance Method Details

#check_waiting_publisher ⇒ Object 



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# File 'lib/paho_mqtt/publisher.rb', line 169

def check_waiting_publisher
  @sender.check_ack_alive(@waiting_puback, @puback_mutex)
  @sender.check_ack_alive(@waiting_pubrec, @pubrec_mutex)
  @sender.check_ack_alive(@waiting_pubrel, @pubrel_mutex)
  @sender.check_ack_alive(@waiting_pubcomp, @pubcomp_mutex)
end

#config_all_message_queue ⇒ Object 



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# File 'lib/paho_mqtt/publisher.rb', line 154

def config_all_message_queue
  config_message_queue(@waiting_puback, @puback_mutex)
  config_message_queue(@waiting_pubrec, @pubrec_mutex)
  config_message_queue(@waiting_pubrel, @pubrel_mutex)
  config_message_queue(@waiting_pubcomp, @pubcomp_mutex)
end

#config_message_queue(queue, mutex) ⇒ Object 



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# File 'lib/paho_mqtt/publisher.rb', line 161

def config_message_queue(queue, mutex)
  mutex.synchronize do
    queue.each do |pck|
      pck[:timestamp] = Time.now
    end
  end
end

#do_puback(packet_id) ⇒ Object 



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# File 'lib/paho_mqtt/publisher.rb', line 86

def do_puback(packet_id)
  @puback_mutex.synchronize do
    @waiting_puback.delete_if { |pck| pck[:id] == packet_id }
  end
  MQTT_ERR_SUCCESS
end

#do_pubcomp(packet_id) ⇒ Object 



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# File 'lib/paho_mqtt/publisher.rb', line 147

def do_pubcomp(packet_id)
  @pubcomp_mutex.synchronize do
    @waiting_pubcomp.delete_if { |pck| pck[:id] == packet_id }
  end
  MQTT_ERR_SUCCESS
end

#do_publish(qos, packet_id) ⇒ Object 



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# File 'lib/paho_mqtt/publisher.rb', line 64

def do_publish(qos, packet_id)
  case qos
  when 0
  when 1
    send_puback(packet_id)
  when 2
    send_pubrec(packet_id)
  else
    PahoMqtt.logger.error("The packet QoS value is invalid in publish.") if PahoMqtt.logger?
    raise PacketException.new('Invalid publish QoS value')
  end
  MQTT_ERR_SUCCESS
end

#do_pubrec(packet_id) ⇒ Object 



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# File 'lib/paho_mqtt/publisher.rb', line 108

def do_pubrec(packet_id)
  @pubrec_mutex.synchronize do
    @waiting_pubrec.delete_if { |pck| pck[:id] == packet_id }
  end
  send_pubrel(packet_id)
  MQTT_ERR_SUCCESS
end

#do_pubrel(packet_id) ⇒ Object 



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# File 'lib/paho_mqtt/publisher.rb', line 131

def do_pubrel(packet_id)
  @pubrel_mutex.synchronize do
    @waiting_pubrel.delete_if { |pck| pck[:id] == packet_id }
  end
  send_pubcomp(packet_id)
  MQTT_ERR_SUCCESS
end

#flush_publisher ⇒ Object 



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# File 'lib/paho_mqtt/publisher.rb', line 176

def flush_publisher
  @puback_mutex.synchronize do
    @waiting_puback = []
  end
  @pubrec_mutex.synchronize do
    @waiting_pubrec = []
  end
  @pubrel_mutex.synchronize do
    @waiting_pubrel = []
  end
  @pubcomp_mutex.synchronize do
    @waiting_pubcomp = []
  end
end

#send_puback(packet_id) ⇒ Object 



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# File 'lib/paho_mqtt/publisher.rb', line 78

def send_puback(packet_id)
  packet = PahoMqtt::Packet::Puback.new(
    :id => packet_id
  )
  @sender.append_to_writing(packet)
  MQTT_ERR_SUCCESS
end

#send_pubcomp(packet_id) ⇒ Object 



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# File 'lib/paho_mqtt/publisher.rb', line 139

def send_pubcomp(packet_id)
  packet = PahoMqtt::Packet::Pubcomp.new(
    :id => packet_id
  )
  @sender.append_to_writing(packet)
  MQTT_ERR_SUCCESS
end

#send_publish(topic, payload, retain, qos, new_id) ⇒ Object 



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# File 'lib/paho_mqtt/publisher.rb', line 34

def send_publish(topic, payload, retain, qos, new_id)
  packet = PahoMqtt::Packet::Publish.new(
    :id      => new_id,
    :topic   => topic,
    :payload => payload,
    :retain  => retain,
    :qos     => qos
  )
  case qos
  when 1
    @puback_mutex.synchronize do
      if @waiting_puback.length >= MAX_PUBACK
        PahoMqtt.logger.error('PUBACK queue is full, could not send with qos=1') if PahoMqtt.logger?
        return MQTT_ERR_FAIL
      end
      @waiting_puback.push(:id => new_id, :packet => packet, :timestamp => Time.now)
    end
  when 2
    @pubrec_mutex.synchronize do
      if @waiting_pubrec.length >= MAX_PUBREC
        PahoMqtt.logger.error('PUBREC queue is full, could not send with qos=2') if PahoMqtt.logger?
        return MQTT_ERR_FAIL
      end
      @waiting_pubrec.push(:id => new_id, :packet => packet, :timestamp => Time.now)
    end
  end
  @sender.append_to_writing(packet)
  MQTT_ERR_SUCCESS
end

#send_pubrec(packet_id) ⇒ Object 



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# File 'lib/paho_mqtt/publisher.rb', line 93

def send_pubrec(packet_id)
  packet = PahoMqtt::Packet::Pubrec.new(
    :id => packet_id
  )
  @pubrel_mutex.synchronize do
    if @waiting_pubrel.length >= MAX_PUBREL
      PahoMqtt.logger.error('PUBREL queue is full, could not acknowledge qos=2') if PahoMqtt.logger?
      return MQTT_ERR_FAIL
    end
    @waiting_pubrel.push(:id => packet_id , :packet => packet, :timestamp => Time.now)
  end
  @sender.append_to_writing(packet)
  MQTT_ERR_SUCCESS
end

#send_pubrel(packet_id) ⇒ Object 



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# File 'lib/paho_mqtt/publisher.rb', line 116

def send_pubrel(packet_id)
  packet = PahoMqtt::Packet::Pubrel.new(
    :id => packet_id
  )
  @pubcomp_mutex.synchronize do
    if @waiting_pubcomp.length >= MAX_PUBCOMP
      PahoMqtt.logger.error('PUBCOMP queue is full, could not acknowledge qos=2') if PahoMqtt.logger?
      return MQTT_ERR_FAIL
    end
    @waiting_pubcomp.push(:id => packet_id, :packet => packet, :timestamp => Time.now)
  end
  @sender.append_to_writing(packet)
  MQTT_ERR_SUCCESS
end

#sender=(sender) ⇒ Object 



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# File 'lib/paho_mqtt/publisher.rb', line 30

def sender=(sender)
  @sender = sender
end