Subscribe to one or more topics. More...

#include <MQTT.h>

Inheritance diagram for MQTT::Subscribe:

Collaboration diagram for MQTT::Subscribe:

Public Member Functions
	Subscribe ()
	Constructor that starts an empty list of subscriptions.

	Subscribe (String topic, uint8_t qos=0)
	Constructor from a topic and optional QoS level.

Subscribe &	add_topic (String topic, uint8_t qos=0)
	Add another topic and optional QoS level.

Public Member Functions inherited from MQTT::Message
bool	send (Client &client)
	Send the message out.

message_type	type (void) const
	Get the message type.

bool	has_stream (void) const
	Does this message have a network stream for reading the (large) payload?

Additional Inherited Members
Protected Member Functions inherited from MQTT::Message
	Message (message_type t, uint8_t f=0)
	Private constructor from type and flags.

virtual	~Message ()
	Virtual destructor.

uint8_t	fixed_header_length (uint32_t rlength) const
	Length of the fixed header. More...

void	write_fixed_header (uint8_t *buf, uint32_t &bufpos, uint32_t rlength) const
	Write the fixed header to a buffer. More...

bool	need_packet_id (void) const
	Does this message need a packet id before being sent?

void	set_packet_id (uint16_t pid)
	Set the packet id.

uint16_t	packet_id (void) const
	Get the packet id.

void	write_packet_id (uint8_t *buf, uint32_t &bufpos) const
	Write the packet id to a buffer. More...

Protected Attributes inherited from MQTT::Message
message_type	_type

uint8_t	_flags

uint16_t	_packet_id

bool	_need_packet_id
	Not all message types use a packet id, but most do.

Client *	_stream_client

payload_callback_t	_payload_callback

friend	PubSubClient

Detailed Description

Subscribe to one or more topics.

The documentation for this class was generated from the following files:

Public Member Functions