Add MDNS Manager

components/MDNSManager/CMakeLists.txt

@@ -0,0 +1,4 @@
+idf_component_register(SRCS "MDNSManager/MDNSManager.cpp"
+  INCLUDE_DIRS "MDNSManager"
+  REQUIRES mdns ProjectConfig StateManager
+)

components/MDNSManager/MDNSManager/MDNSManager.cpp

@@ -0,0 +1,47 @@
+#include "MDNSManager.hpp"
+
+static const char *MDNS_MANAGER_TAG = "[MDNS MANAGER]";
+
+MDNSManager::MDNSManager(ProjectConfig &projectConfig) : projectConfig(projectConfig) {}
+
+esp_err_t MDNSManager::start()
+{
+  const std::string &mdnsName = "_openiristracker";
+
+  mdnsStateManager.setState(MDNSState_e::MDNSState_Starting);
+  esp_err_t result = mdns_init();
+  if (result != ESP_OK)
+  {
+    mdnsStateManager.setState(MDNSState_e::MDNSState_Error);
+    ESP_LOGE(MDNS_MANAGER_TAG, "Failed to initialize mDNS server: %s", esp_err_to_name(result));
+    return result;
+  }
+
+  auto mdnsConfig = projectConfig.getMDNSConfig();
+  result = mdns_hostname_set(mdnsConfig.hostname.c_str());
+  if (result != ESP_OK)
+  {
+    mdnsStateManager.setState(MDNSState_e::MDNSState_Error);
+    ESP_LOGE(MDNS_MANAGER_TAG, "Failed to set hostname: %s", esp_err_to_name(result));
+    return result;
+  }
+
+  mdns_txt_item_t serviceTxtData[3] = {
+      {"stream_port", "80"},
+      {"api_port", "81"},
+  };
+
+  result = mdns_service_add(nullptr, mdnsName.c_str(), "_tcp", 80, serviceTxtData, 2);
+
+  result = mdns_service_instance_name_set(mdnsName.c_str(), "_tcp", mdnsName.c_str());
+  if (result != ESP_OK)
+  {
+    mdnsStateManager.setState(MDNSState_e::MDNSState_Error);
+    ESP_LOGE(MDNS_MANAGER_TAG, "Failed to set mDNS instance name: %s", esp_err_to_name(result));
+    return result;
+  }
+
+  mdnsStateManager.setState(MDNSState_e::MDNSState_Started);
+
+  return result;
+}

components/MDNSManager/MDNSManager/MDNSManager.hpp

@@ -0,0 +1,21 @@
+#pragma once
+#ifndef MDNSMANAGER_HPP
+#define MDNSMANAGER_HPP
+#include <string>
+#include <ProjectConfig.hpp>
+#include <StateManager.hpp>
+#include "esp_log.h"
+#include "mdns.h"
+
+// TODO add observer pattern here
+class MDNSManager
+{
+private:
+  ProjectConfig &projectConfig;
+
+public:
+  MDNSManager(ProjectConfig &projectConfig);
+  esp_err_t start();
+};
+
+#endif // MDNSMANAGER_HPP