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Convert to use of MQTT for command, APRS, and dynamic TG control.

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This commit is contained in:
Jonathan Naylor
2023-07-07 11:14:34 +01:00
parent a28aa7c549
commit 04146faa81
15 changed files with 634 additions and 553 deletions
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63
MQTTConnection.h Normal file
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/*
* Copyright (C) 2022,2023 by Jonathan Naylor G4KLX
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#if !defined(MQTTPUBLISHER_H)
#define MQTTPUBLISHER_H
#include <mosquitto.h>
#include <vector>
#include <string>
enum MQTT_QOS {
MQTT_QOS_AT_MODE_ONCE = 0U,
MQTT_QOS_AT_LEAST_ONCE = 1U,
MQTT_QOS_EXACTLY_ONCE = 2U
};
class CMQTTConnection {
public:
CMQTTConnection(const std::string& host, unsigned short port, const std::string& name, const std::vector<std::pair<std::string, void (*)(const unsigned char*, unsigned int)>>& subs, unsigned int keepalive, MQTT_QOS qos = MQTT_QOS_EXACTLY_ONCE);
~CMQTTConnection();
bool open();
bool publish(const char* topic, const char* text);
bool publish(const char* topic, const std::string& text);
bool publish(const char* topic, const unsigned char* data, unsigned int len);
void close();
private:
std::string m_host;
unsigned short m_port;
std::string m_name;
std::vector<std::pair<std::string, void (*)(const unsigned char*, unsigned int)>> m_subs;
unsigned int m_keepalive;
MQTT_QOS m_qos;
mosquitto* m_mosq;
bool m_connected;
static void onConnect(mosquitto* mosq, void* obj, int rc);
static void onSubscribe(mosquitto* mosq, void* obj, int mid, int qosCount, const int* grantedQOS);
static void onMessage(mosquitto* mosq, void* obj, const mosquitto_message* message);
static void onDisconnect(mosquitto* mosq, void* obj, int rc);
};
#endif