feat: move network.hpp to net/ and working on url.hpp

Signed-off-by: Amlal <amlal@nekernel.org>

1 files changed, 117 insertions, 0 deletions

diff --git a/dev/lib/net/network.hpp b/dev/lib/net/network.hpp
new file mode 100644
index 0000000..22cc5b2
--- /dev/null
+++ b/dev/lib/net/network.hpp
@@ -0,0 +1,117 @@
+/*
+ * File: net/network.hpp
+ * Purpose: Modem concept in modern C++
+ * Author: Amlal El Mahrouss (founder@snu.systems)
+ * Copyright 2025, Amlal El Mahrouss and SNU Systems Corp.
+ */
+
+#ifndef _SNU_NET_NETWORK_HPP
+#define _SNU_NET_NETWORK_HPP
+
+#include <arpa/inet.h>
+#include <sys/socket.h>
+#include <utility>
+#include <cstddef>
+
+#define SNU_MODEM : protected snu::net::basic_delivery_modem
+
+namespace snu::net
+{
+	class basic_delivery_modem;
+
+	typedef int64_t socket_type;
+
+	/// @brief Delivery modem concept, a container to read and write on a network stream.
+	class basic_delivery_modem
+	{
+	public:
+		explicit basic_delivery_modem() = default;
+		virtual ~basic_delivery_modem() = default;
+
+		basic_delivery_modem& operator=(const basic_delivery_modem&) = default;
+		basic_delivery_modem(const basic_delivery_modem&)			 = default;
+
+	public:
+		static constexpr auto local_address = "127.0.0.1";
+		static constexpr auto backlog_count = 18U;
+
+	public:
+		socket_type fd_{};
+
+		template <typename T>
+		bool receive(T& out, std::size_t len) noexcept
+		{
+			static_assert(std::is_pointer<T>::value, "T is not a pointer!");
+
+			if (!out)
+				return false;
+
+			if (!len)
+				return false;
+
+			auto ret = ::recv(fd_, out, len, MSG_WAITALL);
+
+			return ret > 0;
+		}
+
+		template <typename T>
+		bool transmit(T& out, std::size_t len) noexcept
+		{
+			static_assert(std::is_pointer<T>::value, "T is not a pointer!");
+
+			if (!out)
+				return false;
+
+			if (!len)
+				return false;
+
+			auto ret = ::send(fd_, out, len, 0);
+
+			return ret > 0;
+		}
+
+		template <int32_t AF, int32_t Kind, int32_t IPProto, int32_t Port>
+		bool construct(const char* addr = basic_delivery_modem::local_address, const bool& is_server = false) noexcept
+		{
+			static_assert(AF != 0, "AF is zero");
+			static_assert(Kind != 0, "Kind is zero");
+			static_assert(IPProto != 0, "IPProto is zero");
+
+			fd_ = ::socket(AF, Kind, IPProto);
+
+			if (fd_ < 1)
+				return false;
+
+			struct sockaddr_in addr_
+			{
+			};
+
+			addr_.sin_addr.s_addr = ::inet_addr(addr);
+			addr_.sin_port		  = Port;
+
+			if (!is_server)
+			{
+				auto ret = ::connect(fd_, (struct sockaddr*)&addr_, sizeof(decltype(addr_)));
+				return ret == 0;
+			}
+
+			::listen(fd_, basic_delivery_modem::backlog_count);
+
+			return true;
+		}
+
+		bool destroy() noexcept
+		{
+			if (!fd_)
+				return false;
+
+			::shutdown(fd_, SHUT_RDWR);
+
+			fd_ = 0U;
+
+			return true;
+		}
+	};
+} // namespace snu::net
+
+#endif // ifndef _SNU_NET_NETWORK_HPP
\ No newline at end of file