From 9eec329ebdf4cf079619edb58dbcd78ce42b8626 Mon Sep 17 00:00:00 2001
From: Amlal El Mahrouss <amlal@nekernel.org>
Date: Tue, 18 Nov 2025 07:44:48 +0100
Subject: feat: lib: error_handler improvements, new  method. FIX module
 improvements.

Signed-off-by: Amlal El Mahrouss <amlal@nekernel.org>
---
 dev/examples/fix/CMakeLists.txt |  3 +++
 dev/examples/fix/fix.cc         |  9 ++++++---
 dev/lib/core/error_handler.hpp  | 13 ++++++++++++-
 dev/lib/core/includes.hpp       |  9 +++++++++
 dev/lib/fix/fix.hpp             | 10 +++++-----
 dev/lib/io/print.hpp            | 24 +++++++++++++++---------
 dev/lib/net/modem.hpp           |  6 ++++++
 7 files changed, 56 insertions(+), 18 deletions(-)

(limited to 'dev')

diff --git a/dev/examples/fix/CMakeLists.txt b/dev/examples/fix/CMakeLists.txt
index db8921b..5ed31e7 100644
--- a/dev/examples/fix/CMakeLists.txt
+++ b/dev/examples/fix/CMakeLists.txt
@@ -6,7 +6,10 @@ project(
   VERSION 1.0
   LANGUAGES CXX)
 
+find_package(Boost REQUIRED COMPONENTS container)
+
 add_executable(Fix fix.cc)
 
+target_link_libraries(Fix PRIVATE Boost::container)
 set_property(TARGET Fix PROPERTY CXX_STANDARD 20)
 target_include_directories(Fix PUBLIC ../../)
diff --git a/dev/examples/fix/fix.cc b/dev/examples/fix/fix.cc
index ec6668a..4015a67 100644
--- a/dev/examples/fix/fix.cc
+++ b/dev/examples/fix/fix.cc
@@ -4,10 +4,12 @@
   licensed under the MIT license
  */
 
+#include <lib/core/error_handler.hpp>
 #include <lib/net/modem.hpp>
 #include <lib/fix/fix.hpp>
 #include <iostream>
 #include <unistd.h>
+#include <lib/io/print.hpp>
 #include <sys/socket.h>
 
 /* finally test it */
@@ -22,12 +24,13 @@ int main(int argc, char** argv)
 	std::cout << "magic_len=" << fix.magic_len_ << std::endl;
 	std::cout << "is_valid=" << std::boolalpha << fix.is_valid() << std::endl;
 
-	ocl::fix::must_pass(fix);
+	ocl::basic_error_handler handler;
+	ocl::fix::must_pass<char, ocl::basic_error_handler>(fix, handler);
 
 	for (auto fields : fix.body_)
 	{
-		std::cout << "key=" << fields.first;
-		std::cout << ":value=" << fields.second << std::endl;
+		ocl::io::print("key=", fields.first); 
+		ocl::io::print(", value=", fields.second);
 	}
 
 	return 0;
diff --git a/dev/lib/core/error_handler.hpp b/dev/lib/core/error_handler.hpp
index 67bf7b4..4234721 100644
--- a/dev/lib/core/error_handler.hpp
+++ b/dev/lib/core/error_handler.hpp
@@ -23,7 +23,18 @@ namespace ocl
 		basic_error_handler& operator=(const basic_error_handler&) = delete;
 		basic_error_handler(const basic_error_handler&)			   = delete;
 
-		virtual void operator()(const std::basic_string<char>& msg)
+		template <bool throw_too = false>
+		void error(const std::basic_string<char>& msg)
+		{
+			this->operator()(msg);
+
+			if constexpr (throw_too)
+			{
+				throw std::runtime_error(msg);
+			}
+		}
+
+		void operator()(const std::basic_string<char>& msg)
 		{
 			ocl::io::print(msg);
 		}
diff --git a/dev/lib/core/includes.hpp b/dev/lib/core/includes.hpp
index ff59535..78eccd3 100644
--- a/dev/lib/core/includes.hpp
+++ b/dev/lib/core/includes.hpp
@@ -12,3 +12,12 @@
 #include <boost/core/demangle.hpp>
 #include <boost/core/null_deleter.hpp>
 #include <boost/container/allocator.hpp>
+
+namespace ocl
+{
+#ifdef OCL_USE_UTF8
+	using char_type = char8_t;
+#else
+	using char_type = char;
+#endif
+} // namespace ocl
\ No newline at end of file
diff --git a/dev/lib/fix/fix.hpp b/dev/lib/fix/fix.hpp
index 9490004..67376e3 100644
--- a/dev/lib/fix/fix.hpp
+++ b/dev/lib/fix/fix.hpp
@@ -89,10 +89,10 @@ namespace ocl::fix
 	class basic_range_data final
 	{
 	public:
-		std::size_t																		   magic_len_;
-		std::basic_string<char_type>													   magic_;
-		std::size_t																		   body_len_;
-		std::vector<std::pair<std::basic_string<char_type>, std::basic_string<char_type>>> body_;
+		std::size_t																		   magic_len_{};
+		std::basic_string<char_type>													   magic_{};
+		std::size_t																		   body_len_{};
+		std::vector<std::pair<std::basic_string<char_type>, std::basic_string<char_type>>> body_{};
 
 		static inline const char_type* begin = detail::begin_fix<char_type>();
 
@@ -205,7 +205,7 @@ namespace ocl::fix
 	{
 		if (!basic_range.is_valid())
 		{
-			handler("Invalid FIX packet");
+			handler.template error<true>("Invalid FIX packet");
 		}
 	}
 
diff --git a/dev/lib/io/print.hpp b/dev/lib/io/print.hpp
index 307c06f..466b698 100644
--- a/dev/lib/io/print.hpp
+++ b/dev/lib/io/print.hpp
@@ -13,13 +13,6 @@
 
 namespace ocl::io
 {
-	template <typename T, typename... Args>
-	inline void print(T fmt, Args... other) noexcept
-	{
-		std::cout << fmt;
-		print(other...);
-	}
-
 	template <typename T>
 	inline void print(T fmt) noexcept
 	{
@@ -28,14 +21,27 @@ namespace ocl::io
 
 	inline void print() noexcept
 	{
-		std::cout << std::endl;
+	}
+
+	template <typename... Args>
+	inline void print(Args... fmt) noexcept
+	{
+		print(fmt...);
+		print();
+	}
+
+	template <typename T, typename... Args>
+	inline void print(T fmt, Args... other) noexcept
+	{
+		std::cout << fmt;
+		print(other...);
 	}
 
 	template <typename... T>
 	inline void println(T... fmt) noexcept
 	{
 		print(fmt...);
-		print();
+		print("\n");
 	}
 } // namespace ocl::io
 
diff --git a/dev/lib/net/modem.hpp b/dev/lib/net/modem.hpp
index 80b3b7a..7c07191 100644
--- a/dev/lib/net/modem.hpp
+++ b/dev/lib/net/modem.hpp
@@ -8,6 +8,8 @@
 #ifndef _OCL_NET_NETWORK_HPP
 #define _OCL_NET_NETWORK_HPP
 
+#include <lib/tests/hpptest.hpp>
+
 #include <unistd.h>
 #include <arpa/inet.h>
 #include <sys/socket.h>
@@ -110,6 +112,10 @@ namespace ocl::net
 			static_assert(af != 0, "Address family is zero");
 			static_assert(kind != 0, "Kind is zero");
 
+			must_pass<af == AF_INET || af == AF_INET6>();
+			must_pass<kind == SOCK_STREAM || kind == SOCK_DGRAM>();
+			must_pass<(port > 0) && (port < 65536)>();
+
 			fd_		   = ::socket(af, kind, 0);
 			server_fd_ = is_server;
 
-- 
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