refactor(common): reorganize type aliases and add application-specific types

Reorganize type aliases into dedicated directories and add application-specific
type definitions for chunk index, file size, frame length, and IDs. Improves
code clarity and type safety.

src/common/types/app/byte_buffer.hpp

@@ -0,0 +1,7 @@
+#pragma once
+
+#include <cstdint>
+#include <vector>
+
+// Alias for raw byte buffer
+using ByteBuffer = std::vector<std::uint8_t>;

src/common/types/app/chunk_index.hpp

@@ -0,0 +1,6 @@
+#pragma once
+
+#include <cstdint>
+
+// Sequential file chunk index
+using ChunkIndex = std::uint32_t;

src/common/types/app/file_size.hpp

@@ -0,0 +1,6 @@
+#pragma once
+
+#include <cstdint>
+
+// File total size in bytes
+using FileSize = std::uint64_t;

src/common/types/app/frame_length.hpp

@@ -0,0 +1,6 @@
+#pragma once
+
+#include <cstdint>
+
+// Wire length prefix type for a single framed message (big-endian on the wire)
+using FrameLength = std::uint32_t;

src/common/types/app/id.hpp

@@ -0,0 +1,6 @@
+#pragma once
+
+#include <cstdint>
+
+// Client, group, or message ID
+using Id = std::uint64_t;

src/common/types/deps/boost_asio.hpp

@@ -0,0 +1,6 @@
+#pragma once
+
+#include <boost/asio/io_context.hpp>
+
+// IO Context
+using IoContext = boost::asio::io_context;

src/common/types/deps/boost_asio_ip_tcp.hpp

@@ -0,0 +1,9 @@
+#pragma once
+
+#include <boost/asio/ip/tcp.hpp>
+
+// TCP
+using TcpSocket = boost::asio::ip::tcp::socket;
+using TcpAcceptor = boost::asio::ip::tcp::acceptor;
+using TcpEndpoint = boost::asio::ip::tcp::endpoint;
+using TcpResolver = boost::asio::ip::tcp::resolver;

src/common/types/deps/boost_asio_steady_timer.hpp

@@ -0,0 +1,6 @@
+#pragma once
+
+#include <boost/asio/steady_timer.hpp>
+
+// Timers
+using SteadyTimer = boost::asio::steady_timer;

src/common/types/deps/boost_system_error_code.hpp

@@ -0,0 +1,6 @@
+#pragma once
+
+#include <boost/system/error_code.hpp>
+
+// Error handling
+using ErrorCode = boost::system::error_code;

src/utils/logger.cpp

@@ -0,0 +1,63 @@
+#include "logger.hpp"
+
+#include <boost/date_time/posix_time/posix_time_io.hpp>
+
+void Logger::init(bool toConsole, const std::string_view filePath)
+{
+    using namespace boost::log;
+    using namespace boost::posix_time;
+
+    add_common_attributes();
+
+    if (toConsole) {
+        add_console_log(
+            std::clog,
+            keywords::format =
+                (expressions::stream
+                 << "["
+                 << expressions::attr<boost::posix_time::ptime>("TimeStamp")
+                 << "] "
+                 << "<" << trivial::severity << "> " << expressions::smessage)
+        );
+    }
+
+    if (!filePath.empty()) {
+        add_file_log(
+            keywords::file_name = filePath,
+            keywords::auto_flush = true,
+            keywords::format =
+                (expressions::stream
+                 << "["
+                 << expressions::attr<boost::posix_time::ptime>("TimeStamp")
+                 << "] "
+                 << "<" << trivial::severity << "> " << expressions::smessage)
+        );
+    }
+
+    core::get()->set_filter(trivial::severity >= trivial::info);
+}
+
+void Logger::info(const std::string_view msg)
+{
+    BOOST_LOG_TRIVIAL(info) << msg;
+}
+
+void Logger::warn(const std::string_view msg)
+{
+    BOOST_LOG_TRIVIAL(warning) << msg;
+}
+
+void Logger::error(const std::string_view msg)
+{
+    BOOST_LOG_TRIVIAL(error) << msg;
+}
+
+void Logger::debug(const std::string_view msg)
+{
+    BOOST_LOG_TRIVIAL(debug) << msg;
+}
+
+void Logger::fatal(const std::string_view msg)
+{
+    BOOST_LOG_TRIVIAL(fatal) << msg;
+}

src/utils/logger.hpp

@@ -0,0 +1,21 @@
+#pragma once
+
+#include <boost/log/core.hpp>
+#include <boost/log/expressions.hpp>
+#include <boost/log/trivial.hpp>
+#include <boost/log/utility/setup/common_attributes.hpp>
+#include <boost/log/utility/setup/console.hpp>
+#include <boost/log/utility/setup/file.hpp>
+
+class Logger
+{
+  public:
+    static void
+    init(bool toConsole = true, const std::string_view filePath = "");
+
+    static void info(const std::string_view msg);
+    static void warn(const std::string_view msg);
+    static void error(const std::string_view msg);
+    static void debug(const std::string_view msg);
+    static void fatal(const std::string_view msg);
+};