76 lines
2.6 KiB
C
76 lines
2.6 KiB
C
|
/*
|
||
|
|
PubSubClient.h - A simple client for MQTT.
|
||
|
|
Nicholas O'Leary
|
||
|
|
http://knolleary.net
|
||
|
|
*/
|
||
|
|
|
||
|
|
#ifndef PubSubClient_h
|
||
|
|
#define PubSubClient_h
|
||
|
|
|
||
|
|
#include <Arduino.h>
|
||
|
|
#include "Client.h"
|
||
|
|
|
||
|
|
// MQTT_MAX_PACKET_SIZE : Maximum packet size
|
||
|
|
#define MQTT_MAX_PACKET_SIZE 256
|
||
|
|
|
||
|
|
// MQTT_KEEPALIVE : keepAlive interval in Seconds
|
||
|
|
#define MQTT_KEEPALIVE 15
|
||
|
|
|
||
|
|
#define MQTTPROTOCOLVERSION 3
|
||
|
|
#define MQTTCONNECT 1 << 4 // Client request to connect to Server
|
||
|
|
#define MQTTCONNACK 2 << 4 // Connect Acknowledgment
|
||
|
|
#define MQTTPUBLISH 3 << 4 // Publish message
|
||
|
|
#define MQTTPUBACK 4 << 4 // Publish Acknowledgment
|
||
|
|
#define MQTTPUBREC 5 << 4 // Publish Received (assured delivery part 1)
|
||
|
|
#define MQTTPUBREL 6 << 4 // Publish Release (assured delivery part 2)
|
||
|
|
#define MQTTPUBCOMP 7 << 4 // Publish Complete (assured delivery part 3)
|
||
|
|
#define MQTTSUBSCRIBE 8 << 4 // Client Subscribe request
|
||
|
|
#define MQTTSUBACK 9 << 4 // Subscribe Acknowledgment
|
||
|
|
#define MQTTUNSUBSCRIBE 10 << 4 // Client Unsubscribe request
|
||
|
|
#define MQTTUNSUBACK 11 << 4 // Unsubscribe Acknowledgment
|
||
|
|
#define MQTTPINGREQ 12 << 4 // PING Request
|
||
|
|
#define MQTTPINGRESP 13 << 4 // PING Response
|
||
|
|
#define MQTTDISCONNECT 14 << 4 // Client is Disconnecting
|
||
|
|
#define MQTTReserved 15 << 4 // Reserved
|
||
|
|
|
||
|
|
#define MQTTQOS0 (0 << 1)
|
||
|
|
#define MQTTQOS1 (1 << 1)
|
||
|
|
#define MQTTQOS2 (2 << 1)
|
||
|
|
|
||
|
|
class PubSubClient {
|
||
|
|
private:
|
||
|
|
Client* _client;
|
||
|
|
uint8_t buffer[MQTT_MAX_PACKET_SIZE];
|
||
|
|
uint16_t nextMsgId;
|
||
|
|
unsigned long lastOutActivity;
|
||
|
|
unsigned long lastInActivity;
|
||
|
|
bool pingOutstanding;
|
||
|
|
void (*callback)(char*,uint8_t*,unsigned int);
|
||
|
|
uint16_t readPacket();
|
||
|
|
uint8_t readByte();
|
||
|
|
boolean write(uint8_t header, uint8_t* buf, uint16_t length);
|
||
|
|
uint16_t writeString(char* string, uint8_t* buf, uint16_t pos);
|
||
|
|
uint8_t *ip;
|
||
|
|
char* domain;
|
||
|
|
uint16_t port;
|
||
|
|
public:
|
||
|
|
PubSubClient(Client& client);
|
||
|
|
PubSubClient(uint8_t *, uint16_t, void(*)(char*,uint8_t*,unsigned int),Client& client);
|
||
|
|
PubSubClient(char*, uint16_t, void(*)(char*,uint8_t*,unsigned int),Client& client);
|
||
|
|
boolean connect(char *);
|
||
|
|
boolean connect(char *, char *, char *);
|
||
|
|
boolean connect(char *, char *, uint8_t, uint8_t, char *);
|
||
|
|
boolean connect(char *, char *, char *, char *, uint8_t, uint8_t, char*);
|
||
|
|
void disconnect();
|
||
|
|
boolean publish(char *, char *);
|
||
|
|
boolean publish(char *, uint8_t *, unsigned int);
|
||
|
|
boolean publish(char *, uint8_t *, unsigned int, boolean);
|
||
|
|
boolean publish_P(char *, uint8_t PROGMEM *, unsigned int, boolean);
|
||
|
|
boolean subscribe(char *);
|
||
|
|
boolean loop();
|
||
|
|
boolean connected();
|
||
|
|
};
|
||
|
|
|
||
|
|
|
||
|
|
#endif
|