Add httpGet function

src/utils/concurrency.hpp

@@ -0,0 +1,46 @@
+#pragma once
+
+#include <mutex>
+
+namespace utils::concurrency
+{
+	template <typename T, typename MutexType = std::mutex>
+	class container
+	{
+	public:
+		template <typename R = void, typename F>
+		R access(F&& accessor) const
+		{
+			std::lock_guard<MutexType> _{mutex_};
+			return accessor(object_);
+		}
+
+		template <typename R = void, typename F>
+		R access(F&& accessor)
+		{
+			std::lock_guard<MutexType> _{mutex_};
+			return accessor(object_);
+		}
+
+		template <typename R = void, typename F>
+		R access_with_lock(F&& accessor) const
+		{
+			std::unique_lock<MutexType> lock{mutex_};
+			return accessor(object_, lock);
+		}
+
+		template <typename R = void, typename F>
+		R access_with_lock(F&& accessor)
+		{
+			std::unique_lock<MutexType> lock{mutex_};
+			return accessor(object_, lock);
+		}
+
+		T& get_raw() { return object_; }
+		const T& get_raw() const { return object_; }
+
+	private:
+		mutable MutexType mutex_{};
+		T object_{};
+	};
+}