145 lines
5.4 KiB
C++
Executable File
145 lines
5.4 KiB
C++
Executable File
/*
|
|
PubSubClient.h - A simple client for MQTT.
|
|
Nick O'Leary
|
|
http://knolleary.net
|
|
*/
|
|
|
|
#ifndef PubSubClient_h
|
|
#define PubSubClient_h
|
|
|
|
#include <Arduino.h>
|
|
#include "IPAddress.h"
|
|
#include "Client.h"
|
|
#include "Stream.h"
|
|
|
|
#define MQTT_VERSION_3_1 3
|
|
#define MQTT_VERSION_3_1_1 4
|
|
|
|
// MQTT_VERSION : Pick the version
|
|
//#define MQTT_VERSION MQTT_VERSION_3_1
|
|
#ifndef MQTT_VERSION
|
|
#define MQTT_VERSION MQTT_VERSION_3_1_1
|
|
#endif
|
|
|
|
// MQTT_MAX_PACKET_SIZE : Maximum packet size
|
|
#ifndef MQTT_MAX_PACKET_SIZE
|
|
#define MQTT_MAX_PACKET_SIZE 600
|
|
#endif
|
|
|
|
// MQTT_KEEPALIVE : keepAlive interval in Seconds
|
|
#ifndef MQTT_KEEPALIVE
|
|
#define MQTT_KEEPALIVE 15
|
|
#endif
|
|
|
|
// MQTT_SOCKET_TIMEOUT: socket timeout interval in Seconds
|
|
#ifndef MQTT_SOCKET_TIMEOUT
|
|
#define MQTT_SOCKET_TIMEOUT 15
|
|
#endif
|
|
|
|
// MQTT_MAX_TRANSFER_SIZE : limit how much data is passed to the network client
|
|
// in each write call. Needed for the Arduino Wifi Shield. Leave undefined to
|
|
// pass the entire MQTT packet in each write call.
|
|
//#define MQTT_MAX_TRANSFER_SIZE 80
|
|
|
|
// Possible values for client.state()
|
|
#define MQTT_CONNECTION_TIMEOUT -4
|
|
#define MQTT_CONNECTION_LOST -3
|
|
#define MQTT_CONNECT_FAILED -2
|
|
#define MQTT_DISCONNECTED -1
|
|
#define MQTT_CONNECTED 0
|
|
#define MQTT_CONNECT_BAD_PROTOCOL 1
|
|
#define MQTT_CONNECT_BAD_CLIENT_ID 2
|
|
#define MQTT_CONNECT_UNAVAILABLE 3
|
|
#define MQTT_CONNECT_BAD_CREDENTIALS 4
|
|
#define MQTT_CONNECT_UNAUTHORIZED 5
|
|
|
|
#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)
|
|
|
|
#ifdef ESP8266
|
|
#include <functional>
|
|
#define MQTT_CALLBACK_SIGNATURE std::function<void(char*, uint8_t*, unsigned int)> callback
|
|
#else
|
|
#define MQTT_CALLBACK_SIGNATURE void (*callback)(char*, uint8_t*, unsigned int)
|
|
#endif
|
|
|
|
class PubSubClient {
|
|
private:
|
|
Client* _client;
|
|
uint8_t buffer[MQTT_MAX_PACKET_SIZE];
|
|
uint16_t nextMsgId;
|
|
unsigned long lastOutActivity;
|
|
unsigned long lastInActivity;
|
|
bool pingOutstanding;
|
|
MQTT_CALLBACK_SIGNATURE;
|
|
uint16_t readPacket(uint8_t*);
|
|
boolean readByte(uint8_t * result);
|
|
boolean readByte(uint8_t * result, uint16_t * index);
|
|
boolean write(uint8_t header, uint8_t* buf, uint16_t length);
|
|
uint16_t writeString(const char* string, uint8_t* buf, uint16_t pos);
|
|
IPAddress ip;
|
|
const char* domain;
|
|
uint16_t port;
|
|
Stream* stream;
|
|
int _state;
|
|
public:
|
|
PubSubClient();
|
|
PubSubClient(Client& client);
|
|
PubSubClient(IPAddress, uint16_t, Client& client);
|
|
PubSubClient(IPAddress, uint16_t, Client& client, Stream&);
|
|
PubSubClient(IPAddress, uint16_t, MQTT_CALLBACK_SIGNATURE,Client& client);
|
|
PubSubClient(IPAddress, uint16_t, MQTT_CALLBACK_SIGNATURE,Client& client, Stream&);
|
|
PubSubClient(uint8_t *, uint16_t, Client& client);
|
|
PubSubClient(uint8_t *, uint16_t, Client& client, Stream&);
|
|
PubSubClient(uint8_t *, uint16_t, MQTT_CALLBACK_SIGNATURE,Client& client);
|
|
PubSubClient(uint8_t *, uint16_t, MQTT_CALLBACK_SIGNATURE,Client& client, Stream&);
|
|
PubSubClient(const char*, uint16_t, Client& client);
|
|
PubSubClient(const char*, uint16_t, Client& client, Stream&);
|
|
PubSubClient(const char*, uint16_t, MQTT_CALLBACK_SIGNATURE,Client& client);
|
|
PubSubClient(const char*, uint16_t, MQTT_CALLBACK_SIGNATURE,Client& client, Stream&);
|
|
|
|
PubSubClient& setServer(IPAddress ip, uint16_t port);
|
|
PubSubClient& setServer(uint8_t * ip, uint16_t port);
|
|
PubSubClient& setServer(const char * domain, uint16_t port);
|
|
PubSubClient& setCallback(MQTT_CALLBACK_SIGNATURE);
|
|
PubSubClient& setClient(Client& client);
|
|
PubSubClient& setStream(Stream& stream);
|
|
|
|
boolean connect(const char* id);
|
|
boolean connect(const char* id, const char* user, const char* pass);
|
|
boolean connect(const char* id, const char* willTopic, uint8_t willQos, boolean willRetain, const char* willMessage);
|
|
boolean connect(const char* id, const char* user, const char* pass, const char* willTopic, uint8_t willQos, boolean willRetain, const char* willMessage);
|
|
void disconnect();
|
|
boolean publish(const char* topic, const char* payload);
|
|
boolean publish(const char* topic, const char* payload, boolean retained);
|
|
boolean publish(const char* topic, const uint8_t * payload, unsigned int plength);
|
|
boolean publish(const char* topic, const uint8_t * payload, unsigned int plength, boolean retained);
|
|
boolean publish_P(const char* topic, const uint8_t * payload, unsigned int plength, boolean retained);
|
|
boolean subscribe(const char* topic);
|
|
boolean subscribe(const char* topic, uint8_t qos);
|
|
boolean unsubscribe(const char* topic);
|
|
boolean loop();
|
|
boolean connected();
|
|
int state();
|
|
};
|
|
|
|
|
|
#endif
|