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Serial2Mqtt.h
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Serial2Mqtt.h
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#ifndef SERIAL2MQTT_H
#define SERIAL2MQTT_H
#include "MQTTAsync.h"
// For convenience
#include <Sys.h>
#include <Erc.h>
#include <Bytes.h>
#include <vector>
#include <map>
#include "Config.h"
#include <unistd.h>
#include <fcntl.h>
#include <poll.h>
#include <linux/serial.h>
#include <sys/select.h>
#include <termios.h>
#include <asm-generic/ioctls.h>
#include <sys/ioctl.h>
#include <Timer.h>
#include <netdb.h>
#include <fstream>
#include <CircBuf.h>
using namespace std;
class Serial2Mqtt
{
string _serial2mqttDevice; // <host>.USBx
MQTTAsync_token _deliveredtoken;
MQTTAsync _client;
int _signalFd[2]; // pipe fd to wakeup in select
// SERIAL
string _serialPort; // /dev/ttyUSB0
string _serialPortShort; // USB0
int _serialBaudrate;
int _serialFd = 0;
bool _serialConnected = false;
string _serialLine;
CircBuf _serialBuffer;
string _binFile;
string _programCommand;
uint64_t _serialReconnectInterval;
uint64_t _serialIdleTimeout;
uint32_t _serialSilentInterval;
uint64_t _serialConnectionCount = 0ULL;
uint64_t _serialConnectionErrors = 0ULL;
uint64_t _serialPublishMessagesReceived = 0ULL;
uint64_t _serialSubscribeMessagesReceived = 0ULL;
uint64_t _serialUnknownMessagesReceived = 0ULL;
uint64_t _serialLogMessagesReceived = 0ULL;
uint64_t _serialMessagesSent = 0ULL;
typedef enum
{
DTR_LOWER_ON_OPEN_NEVER,
DTR_LOWER_ON_OPEN_ALWAYS
} DTROnOpenPolicy;
DTROnOpenPolicy _serialLowerDTROnOpen = DTR_LOWER_ON_OPEN_NEVER;
typedef enum
{
DTR_LOWER_ON_CLOSE_NEVER,
DTR_LOWER_ON_CLOSE_ALWAYS,
DTR_LOWER_ON_CLOSE_IF_IDLE,
} DTROnClosePolicy;
DTROnClosePolicy _serialLowerDTROnClose = DTR_LOWER_ON_CLOSE_NEVER;
bool _serialDataReceived;
// MQTT
StaticJsonDocument<2048> _jsonDocument;
string _mqttClientId;
string _mqttConnection;
uint32_t _mqttKeepAliveInterval;
string _mqttWillMessage;
std::string _mqttWillTopic;
uint16_t _mqttWillQos;
bool _mqttWillRetained;
string _mqttDevice;
string _mqttProgrammerTopic;
string _mqttUser;
string _mqttPassword;
uint64_t _mqttReconnectInterval;
uint64_t _mqttPublishInterval;
uint64_t _startTime;
// bool _mqttConnected=false;
string _mqttSubscribedTo;
string _mqttLocalPersistenceDir;
string _mqttLocalPersistenceFile;
vector<string> _mqttLocalPersistenceFilters;
map<string, Bytes> _mqttLocalPersistenceMessages;
bool _logProtocol;
bool _logDebug;
bool _logUseColors;
bool _logMqtt;
bool _logProgram;
string _colorTxd = "\033[33m";
string _colorRxd = "\033[32m";
string _colorDebug = "\033[35m";
string _colorDefault = "\033[39m";
Config _config;
typedef enum
{
JSON_OBJECT,
JSON_ARRAY,
PROTOBUF
} Protocol;
Protocol _protocol;
typedef enum
{
CRC_ON,
CRC_OFF
} Crc;
Crc _crc;
FILE *_logFd;
typedef enum
{
MS_CONNECTED,
MS_DISCONNECTED,
MS_CONNECTING,
MS_DISCONNECTING
} MqttConnectionState;
MqttConnectionState _mqttConnectionState;
public:
typedef enum
{
PIPE_ERROR = 0,
SELECT_ERROR,
SERIAL_CONNECT,
SERIAL_DISCONNECT,
SERIAL_RXD,
SERIAL_ERROR,
MQTT_CONNECT_SUCCESS,
MQTT_CONNECT_FAIL,
MQTT_SUBSCRIBE_SUCCESS,
MQTT_SUBSCRIBE_FAIL,
MQTT_PUBLISH_SUCCESS,
MQTT_PUBLISH_FAIL,
MQTT_DISCONNECTED,
MQTT_MESSAGE_RECEIVED,
MQTT_ERROR,
TIMEOUT
} Signal;
typedef enum
{
SUBSCRIBE = 0,
PUBLISH,
CONNECT,
DISCONNECT
} CMD;
Serial2Mqtt();
~Serial2Mqtt();
void init();
void run();
void threadFunction(void *);
void signal(uint8_t s);
Signal waitSignal(uint32_t timeout);
void reportStatus(const std::string& topic);
const string &getSerialPortShort(void) const { return _serialPortShort; }
void setConfig(Config config);
void setSerialPort(string port);
Erc serialConnect();
void serialDisconnect();
void serialRxd();
bool serialGetLine(string &line);
void serialHandleLine(string &line);
void serialPublish(CMD command, string topic, Bytes message, int qos, bool retained);
void serialTxd(const string &line);
void flashBin(Bytes &msg);
// void serialMqttPublish(string topic,Bytes message,int qos,bool retained);
Erc mqttConnect();
void mqttDisconnect();
void mqttPublish(string topic, Bytes message, int qos, bool retained);
void mqttPublish(string topic, string message, int qos, bool retained);
void mqttSubscribe(string topic);
static void onConnectionLost(void *context, char *cause);
static int onMessage(void *context, char *topicName, int topicLen, MQTTAsync_message *message);
static void onDisconnect(void *context, MQTTAsync_successData *response);
static void onConnectFailure(void *context, MQTTAsync_failureData *response);
static void onConnectSuccess(void *context, MQTTAsync_successData *response);
static void onSubscribeSuccess(void *context, MQTTAsync_successData *response);
static void onSubscribeFailure(void *context, MQTTAsync_failureData *response);
static void onPublishSuccess(void *context, MQTTAsync_successData *response);
static void onPublishFailure(void *context, MQTTAsync_failureData *response);
static void onDeliveryComplete(void *context, MQTTAsync_token response);
void genCrc(std::string &line);
bool checkCrc(std::string &line);
void mqttConnectionState(MqttConnectionState);
};
#endif // SERIAL2MQTT_H