30 lines
993 B
C++
30 lines
993 B
C++
#include "data_handler.h"
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#include "spdlog/spdlog.h"
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#include "vendor/nlohmann/json.hpp"
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using json = nlohmann::json;
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DataHandler::DataHandler(MqttClient& client) : m_client(client) {}
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void DataHandler::handle(mqtt::const_message_ptr msg) {
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const auto& input_topic = msg->get_topic();
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const auto& payload_str = msg->get_payload_str();
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spdlog::debug("DataHandler received data from topic: {}", input_topic);
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try {
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auto payload_json = json::parse(payload_str);
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payload_json["_proxy_source_topic"] = input_topic;
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payload_json["_proxy_processed_ts"] = time(nullptr);
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const std::string output_topic = "proxy/processed/data";
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m_client.publish(output_topic, payload_json.dump());
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spdlog::debug("Successfully forwarded data from '{}' to '{}'", input_topic, output_topic);
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} catch (const json::parse_error& e) {
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spdlog::error("JSON parse error in DataHandler for topic '{}': {}", input_topic, e.what());
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}
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} |