Remote Variable

ESPMegaPRO-OS-SDK/lib/ESPMegaPRO/RemoteVariable.cpp

@@ -0,0 +1,32 @@
+#include <RemoteVariable.hpp>
+
+RemoteVariable::RemoteVariable() {
+    this->topic = nullptr;
+    this->value = nullptr;
+}
+RemoteVariable::~RemoteVariable() {
+    delete this->topic;
+    delete this->value;
+}
+void RemoteVariable::begin(size_t size, char* topic, ESPMegaIoT* iot) {
+    this->iot = iot;
+    this->size = size;
+    topic = (char*)calloc(size, sizeof(char));
+    value = (char*)calloc(size, sizeof(char));
+    auto bindedMqttCallback = std::bind(&RemoteVariable::mqtt_callback, this, std::placeholders::_1, std::placeholders::_2);
+    this->iot->registerMqttCallback(bindedMqttCallback);
+    auto bindedSubscribe = std::bind(&RemoteVariable::subscribe, this);
+    this->iot->registerSubscribeCallback(bindedSubscribe);
+}
+void RemoteVariable::subscribe() {
+    this->iot->subscribe(this->topic);
+}
+char* RemoteVariable::getValue() {
+    return this->getValue();
+}
+
+void RemoteVariable::mqtt_callback(char* topic, char* payload) {
+    if (strcmp(topic, this->topic) == 0) {
+        strcpy(this->value, payload);
+    }
+}