Re-layout project to match Arduino Library reqs
This commit is contained in:
Nick O'Leary
567
src/PubSubClient.cpp
Executable file
567
src/PubSubClient.cpp
Executable file
@ -0,0 +1,567 @@
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/*
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PubSubClient.cpp - A simple client for MQTT.
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Nick O'Leary
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http://knolleary.net
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*/
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#include "PubSubClient.h"
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#include "Arduino.h"
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PubSubClient::PubSubClient() {
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this->_state = MQTT_DISCONNECTED;
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this->_client = NULL;
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this->stream = NULL;
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setCallback(NULL);
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}
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PubSubClient::PubSubClient(Client& client) {
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this->_state = MQTT_DISCONNECTED;
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setClient(client);
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this->stream = NULL;
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}
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PubSubClient::PubSubClient(IPAddress addr, uint16_t port, Client& client) {
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this->_state = MQTT_DISCONNECTED;
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setServer(addr, port);
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setClient(client);
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this->stream = NULL;
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}
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PubSubClient::PubSubClient(IPAddress addr, uint16_t port, Client& client, Stream& stream) {
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this->_state = MQTT_DISCONNECTED;
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setServer(addr,port);
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setClient(client);
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setStream(stream);
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}
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PubSubClient::PubSubClient(IPAddress addr, uint16_t port, MQTT_CALLBACK_SIGNATURE, Client& client) {
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this->_state = MQTT_DISCONNECTED;
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setServer(addr, port);
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setCallback(callback);
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setClient(client);
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this->stream = NULL;
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}
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PubSubClient::PubSubClient(IPAddress addr, uint16_t port, MQTT_CALLBACK_SIGNATURE, Client& client, Stream& stream) {
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this->_state = MQTT_DISCONNECTED;
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setServer(addr,port);
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setCallback(callback);
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setClient(client);
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setStream(stream);
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}
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PubSubClient::PubSubClient(uint8_t *ip, uint16_t port, Client& client) {
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this->_state = MQTT_DISCONNECTED;
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setServer(ip, port);
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setClient(client);
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this->stream = NULL;
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}
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PubSubClient::PubSubClient(uint8_t *ip, uint16_t port, Client& client, Stream& stream) {
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this->_state = MQTT_DISCONNECTED;
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setServer(ip,port);
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setClient(client);
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setStream(stream);
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}
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PubSubClient::PubSubClient(uint8_t *ip, uint16_t port, MQTT_CALLBACK_SIGNATURE, Client& client) {
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this->_state = MQTT_DISCONNECTED;
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setServer(ip, port);
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setCallback(callback);
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setClient(client);
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this->stream = NULL;
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}
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PubSubClient::PubSubClient(uint8_t *ip, uint16_t port, MQTT_CALLBACK_SIGNATURE, Client& client, Stream& stream) {
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this->_state = MQTT_DISCONNECTED;
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setServer(ip,port);
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setCallback(callback);
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setClient(client);
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setStream(stream);
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}
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PubSubClient::PubSubClient(const char* domain, uint16_t port, Client& client) {
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this->_state = MQTT_DISCONNECTED;
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setServer(domain,port);
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setClient(client);
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this->stream = NULL;
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}
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PubSubClient::PubSubClient(const char* domain, uint16_t port, Client& client, Stream& stream) {
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this->_state = MQTT_DISCONNECTED;
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setServer(domain,port);
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setClient(client);
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setStream(stream);
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}
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PubSubClient::PubSubClient(const char* domain, uint16_t port, MQTT_CALLBACK_SIGNATURE, Client& client) {
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this->_state = MQTT_DISCONNECTED;
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setServer(domain,port);
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setCallback(callback);
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setClient(client);
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this->stream = NULL;
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}
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PubSubClient::PubSubClient(const char* domain, uint16_t port, MQTT_CALLBACK_SIGNATURE, Client& client, Stream& stream) {
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this->_state = MQTT_DISCONNECTED;
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setServer(domain,port);
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setCallback(callback);
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setClient(client);
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setStream(stream);
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}
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boolean PubSubClient::connect(const char *id) {
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return connect(id,NULL,NULL,0,0,0,0);
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}
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boolean PubSubClient::connect(const char *id, const char *user, const char *pass) {
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return connect(id,user,pass,0,0,0,0);
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}
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boolean PubSubClient::connect(const char *id, const char* willTopic, uint8_t willQos, boolean willRetain, const char* willMessage) {
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return connect(id,NULL,NULL,willTopic,willQos,willRetain,willMessage);
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}
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boolean PubSubClient::connect(const char *id, const char *user, const char *pass, const char* willTopic, uint8_t willQos, boolean willRetain, const char* willMessage) {
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if (!connected()) {
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int result = 0;
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if (domain != NULL) {
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result = _client->connect(this->domain, this->port);
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} else {
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result = _client->connect(this->ip, this->port);
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}
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if (result) {
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nextMsgId = 1;
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// Leave room in the buffer for header and variable length field
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uint16_t length = 5;
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unsigned int j;
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#if MQTT_VERSION == MQTT_VERSION_3_1
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uint8_t d[9] = {0x00,0x06,'M','Q','I','s','d','p', MQTT_VERSION};
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#define MQTT_HEADER_VERSION_LENGTH 9
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#elif MQTT_VERSION == MQTT_VERSION_3_1_1
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uint8_t d[7] = {0x00,0x04,'M','Q','T','T',MQTT_VERSION};
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#define MQTT_HEADER_VERSION_LENGTH 7
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#endif
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for (j = 0;j<MQTT_HEADER_VERSION_LENGTH;j++) {
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buffer[length++] = d[j];
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}
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uint8_t v;
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if (willTopic) {
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v = 0x06|(willQos<<3)|(willRetain<<5);
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} else {
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v = 0x02;
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}
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if(user != NULL) {
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v = v|0x80;
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if(pass != NULL) {
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v = v|(0x80>>1);
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}
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}
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buffer[length++] = v;
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buffer[length++] = ((MQTT_KEEPALIVE) >> 8);
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buffer[length++] = ((MQTT_KEEPALIVE) & 0xFF);
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length = writeString(id,buffer,length);
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if (willTopic) {
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length = writeString(willTopic,buffer,length);
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length = writeString(willMessage,buffer,length);
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}
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if(user != NULL) {
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length = writeString(user,buffer,length);
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if(pass != NULL) {
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length = writeString(pass,buffer,length);
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}
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}
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write(MQTTCONNECT,buffer,length-5);
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lastInActivity = lastOutActivity = millis();
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while (!_client->available()) {
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unsigned long t = millis();
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if (t-lastInActivity > MQTT_KEEPALIVE*1000UL) {
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_state = MQTT_CONNECTION_TIMEOUT;
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_client->stop();
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return false;
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}
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}
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uint8_t llen;
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uint16_t len = readPacket(&llen);
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if (len == 4) {
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if (buffer[3] == 0) {
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lastInActivity = millis();
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pingOutstanding = false;
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_state = MQTT_CONNECTED;
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return true;
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} else {
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_state = buffer[3];
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}
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}
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_client->stop();
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} else {
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_state = MQTT_CONNECT_FAILED;
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}
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return false;
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}
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return true;
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}
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uint8_t PubSubClient::readByte() {
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while(!_client->available()) {}
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return _client->read();
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}
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uint16_t PubSubClient::readPacket(uint8_t* lengthLength) {
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uint16_t len = 0;
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buffer[len++] = readByte();
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bool isPublish = (buffer[0]&0xF0) == MQTTPUBLISH;
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uint32_t multiplier = 1;
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uint16_t length = 0;
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uint8_t digit = 0;
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uint16_t skip = 0;
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uint8_t start = 0;
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do {
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digit = readByte();
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buffer[len++] = digit;
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length += (digit & 127) * multiplier;
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multiplier *= 128;
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} while ((digit & 128) != 0);
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*lengthLength = len-1;
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if (isPublish) {
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// Read in topic length to calculate bytes to skip over for Stream writing
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buffer[len++] = readByte();
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buffer[len++] = readByte();
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skip = (buffer[*lengthLength+1]<<8)+buffer[*lengthLength+2];
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start = 2;
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if (buffer[0]&MQTTQOS1) {
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// skip message id
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skip += 2;
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}
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}
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for (uint16_t i = start;i<length;i++) {
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digit = readByte();
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if (this->stream) {
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if (isPublish && len-*lengthLength-2>skip) {
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this->stream->write(digit);
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}
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}
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if (len < MQTT_MAX_PACKET_SIZE) {
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buffer[len] = digit;
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}
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len++;
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}
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if (!this->stream && len > MQTT_MAX_PACKET_SIZE) {
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len = 0; // This will cause the packet to be ignored.
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}
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return len;
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}
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boolean PubSubClient::loop() {
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if (connected()) {
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unsigned long t = millis();
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if ((t - lastInActivity > MQTT_KEEPALIVE*1000UL) || (t - lastOutActivity > MQTT_KEEPALIVE*1000UL)) {
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if (pingOutstanding) {
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this->_state = MQTT_CONNECTION_TIMEOUT;
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_client->stop();
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return false;
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} else {
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buffer[0] = MQTTPINGREQ;
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buffer[1] = 0;
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_client->write(buffer,2);
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lastOutActivity = t;
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lastInActivity = t;
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pingOutstanding = true;
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}
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}
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if (_client->available()) {
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uint8_t llen;
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uint16_t len = readPacket(&llen);
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uint16_t msgId = 0;
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uint8_t *payload;
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if (len > 0) {
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lastInActivity = t;
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uint8_t type = buffer[0]&0xF0;
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if (type == MQTTPUBLISH) {
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if (callback) {
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uint16_t tl = (buffer[llen+1]<<8)+buffer[llen+2];
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char topic[tl+1];
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for (uint16_t i=0;i<tl;i++) {
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topic[i] = buffer[llen+3+i];
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}
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topic[tl] = 0;
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// msgId only present for QOS>0
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if ((buffer[0]&0x06) == MQTTQOS1) {
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msgId = (buffer[llen+3+tl]<<8)+buffer[llen+3+tl+1];
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payload = buffer+llen+3+tl+2;
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callback(topic,payload,len-llen-3-tl-2);
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buffer[0] = MQTTPUBACK;
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buffer[1] = 2;
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buffer[2] = (msgId >> 8);
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buffer[3] = (msgId & 0xFF);
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_client->write(buffer,4);
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lastOutActivity = t;
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} else {
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payload = buffer+llen+3+tl;
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callback(topic,payload,len-llen-3-tl);
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}
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}
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} else if (type == MQTTPINGREQ) {
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buffer[0] = MQTTPINGRESP;
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buffer[1] = 0;
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_client->write(buffer,2);
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} else if (type == MQTTPINGRESP) {
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pingOutstanding = false;
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}
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}
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}
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return true;
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}
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return false;
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}
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boolean PubSubClient::publish(const char* topic, const char* payload) {
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return publish(topic,(const uint8_t*)payload,strlen(payload),false);
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}
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boolean PubSubClient::publish(const char* topic, const uint8_t* payload, unsigned int plength) {
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return publish(topic, payload, plength, false);
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}
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boolean PubSubClient::publish(const char* topic, const uint8_t* payload, unsigned int plength, boolean retained) {
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if (connected()) {
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if (MQTT_MAX_PACKET_SIZE < 5 + 2+strlen(topic) + plength) {
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// Too long
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return false;
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}
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// Leave room in the buffer for header and variable length field
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uint16_t length = 5;
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length = writeString(topic,buffer,length);
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uint16_t i;
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for (i=0;i<plength;i++) {
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buffer[length++] = payload[i];
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}
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uint8_t header = MQTTPUBLISH;
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if (retained) {
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header |= 1;
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}
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return write(header,buffer,length-5);
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}
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return false;
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}
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boolean PubSubClient::publish_P(const char* topic, const uint8_t* payload, unsigned int plength, boolean retained) {
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uint8_t llen = 0;
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uint8_t digit;
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unsigned int rc = 0;
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uint16_t tlen;
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unsigned int pos = 0;
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unsigned int i;
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uint8_t header;
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unsigned int len;
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if (!connected()) {
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return false;
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}
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tlen = strlen(topic);
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header = MQTTPUBLISH;
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if (retained) {
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header |= 1;
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}
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buffer[pos++] = header;
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len = plength + 2 + tlen;
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do {
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digit = len % 128;
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len = len / 128;
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if (len > 0) {
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digit |= 0x80;
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}
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buffer[pos++] = digit;
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llen++;
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} while(len>0);
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pos = writeString(topic,buffer,pos);
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rc += _client->write(buffer,pos);
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for (i=0;i<plength;i++) {
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rc += _client->write((char)pgm_read_byte_near(payload + i));
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}
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lastOutActivity = millis();
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return rc == tlen + 4 + plength;
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}
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boolean PubSubClient::write(uint8_t header, uint8_t* buf, uint16_t length) {
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uint8_t lenBuf[4];
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uint8_t llen = 0;
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uint8_t digit;
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uint8_t pos = 0;
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uint8_t rc;
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uint16_t len = length;
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do {
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digit = len % 128;
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len = len / 128;
|
||||
if (len > 0) {
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digit |= 0x80;
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}
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lenBuf[pos++] = digit;
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llen++;
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||||
} while(len>0);
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||||
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||||
buf[4-llen] = header;
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for (int i=0;i<llen;i++) {
|
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buf[5-llen+i] = lenBuf[i];
|
||||
}
|
||||
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#ifdef MQTT_MAX_TRANSFER_SIZE
|
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uint8_t* writeBuf = buf+(4-llen);
|
||||
uint8_t bytesRemaining = length+1+llen;
|
||||
uint8_t bytesToWrite;
|
||||
boolean result = true;
|
||||
while((bytesRemaining > 0) && result) {
|
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bytesToWrite = (bytesRemaining > MQTT_MAX_TRANSFER_SIZE)?MQTT_MAX_TRANSFER_SIZE:bytesRemaining;
|
||||
rc = _client->write(writeBuf,bytesToWrite);
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result = (rc == bytesToWrite);
|
||||
bytesRemaining -= rc;
|
||||
writeBuf += rc;
|
||||
}
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||||
return result;
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#else
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rc = _client->write(buf+(4-llen),length+1+llen);
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||||
lastOutActivity = millis();
|
||||
return (rc == 1+llen+length);
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#endif
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}
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boolean PubSubClient::subscribe(const char* topic) {
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return subscribe(topic, 0);
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}
|
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||||
boolean PubSubClient::subscribe(const char* topic, uint8_t qos) {
|
||||
if (qos < 0 || qos > 1) {
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||||
return false;
|
||||
}
|
||||
if (MQTT_MAX_PACKET_SIZE < 9 + strlen(topic)) {
|
||||
// Too long
|
||||
return false;
|
||||
}
|
||||
if (connected()) {
|
||||
// Leave room in the buffer for header and variable length field
|
||||
uint16_t length = 5;
|
||||
nextMsgId++;
|
||||
if (nextMsgId == 0) {
|
||||
nextMsgId = 1;
|
||||
}
|
||||
buffer[length++] = (nextMsgId >> 8);
|
||||
buffer[length++] = (nextMsgId & 0xFF);
|
||||
length = writeString((char*)topic, buffer,length);
|
||||
buffer[length++] = qos;
|
||||
return write(MQTTSUBSCRIBE|MQTTQOS1,buffer,length-5);
|
||||
}
|
||||
return false;
|
||||
}
|
||||
|
||||
boolean PubSubClient::unsubscribe(const char* topic) {
|
||||
if (MQTT_MAX_PACKET_SIZE < 9 + strlen(topic)) {
|
||||
// Too long
|
||||
return false;
|
||||
}
|
||||
if (connected()) {
|
||||
uint16_t length = 5;
|
||||
nextMsgId++;
|
||||
if (nextMsgId == 0) {
|
||||
nextMsgId = 1;
|
||||
}
|
||||
buffer[length++] = (nextMsgId >> 8);
|
||||
buffer[length++] = (nextMsgId & 0xFF);
|
||||
length = writeString(topic, buffer,length);
|
||||
return write(MQTTUNSUBSCRIBE|MQTTQOS1,buffer,length-5);
|
||||
}
|
||||
return false;
|
||||
}
|
||||
|
||||
void PubSubClient::disconnect() {
|
||||
buffer[0] = MQTTDISCONNECT;
|
||||
buffer[1] = 0;
|
||||
_client->write(buffer,2);
|
||||
_state = MQTT_DISCONNECTED;
|
||||
_client->stop();
|
||||
lastInActivity = lastOutActivity = millis();
|
||||
}
|
||||
|
||||
uint16_t PubSubClient::writeString(const char* string, uint8_t* buf, uint16_t pos) {
|
||||
const char* idp = string;
|
||||
uint16_t i = 0;
|
||||
pos += 2;
|
||||
while (*idp) {
|
||||
buf[pos++] = *idp++;
|
||||
i++;
|
||||
}
|
||||
buf[pos-i-2] = (i >> 8);
|
||||
buf[pos-i-1] = (i & 0xFF);
|
||||
return pos;
|
||||
}
|
||||
|
||||
|
||||
boolean PubSubClient::connected() {
|
||||
boolean rc;
|
||||
if (_client == NULL ) {
|
||||
rc = false;
|
||||
} else {
|
||||
rc = (int)_client->connected();
|
||||
if (!rc) {
|
||||
if (this->_state == MQTT_CONNECTED) {
|
||||
this->_state = MQTT_CONNECTION_LOST;
|
||||
_client->flush();
|
||||
_client->stop();
|
||||
}
|
||||
}
|
||||
}
|
||||
return rc;
|
||||
}
|
||||
|
||||
PubSubClient& PubSubClient::setServer(uint8_t * ip, uint16_t port) {
|
||||
IPAddress addr(ip[0],ip[1],ip[2],ip[3]);
|
||||
return setServer(addr,port);
|
||||
}
|
||||
|
||||
PubSubClient& PubSubClient::setServer(IPAddress ip, uint16_t port) {
|
||||
this->ip = ip;
|
||||
this->port = port;
|
||||
this->domain = NULL;
|
||||
return *this;
|
||||
}
|
||||
|
||||
PubSubClient& PubSubClient::setServer(const char * domain, uint16_t port) {
|
||||
this->domain = domain;
|
||||
this->port = port;
|
||||
return *this;
|
||||
}
|
||||
|
||||
PubSubClient& PubSubClient::setCallback(void(*callback)(char*,uint8_t*,unsigned int)){
|
||||
this->callback = callback;
|
||||
return *this;
|
||||
}
|
||||
|
||||
PubSubClient& PubSubClient::setClient(Client& client){
|
||||
this->_client = &client;
|
||||
return *this;
|
||||
}
|
||||
|
||||
PubSubClient& PubSubClient::setStream(Stream& stream){
|
||||
this->stream = &stream;
|
||||
return *this;
|
||||
}
|
||||
|
||||
int PubSubClient::state() {
|
||||
return this->_state;
|
||||
}
|
||||
126
src/PubSubClient.h
Executable file
126
src/PubSubClient.h
Executable file
@ -0,0 +1,126 @@
|
||||
/*
|
||||
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
|
||||
#define MQTT_VERSION MQTT_VERSION_3_1_1
|
||||
|
||||
// MQTT_MAX_PACKET_SIZE : Maximum packet size
|
||||
#define MQTT_MAX_PACKET_SIZE 128
|
||||
|
||||
// MQTT_KEEPALIVE : keepAlive interval in Seconds
|
||||
#define MQTT_KEEPALIVE 15
|
||||
|
||||
// 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)
|
||||
|
||||
#define MQTT_CALLBACK_SIGNATURE void (*callback)(char*,uint8_t*,unsigned int)
|
||||
|
||||
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*);
|
||||
uint8_t readByte();
|
||||
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 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
|
||||
Reference in New Issue
Block a user