From 2ca5f6b03fbae4bfe9edd62f04c4a88d273c2ac8 Mon Sep 17 00:00:00 2001
From: Paul Cristian Sarbu <paul.cristian.sarbu@huawei.com>
Date: Thu, 31 Aug 2023 11:44:04 +0200
Subject: remote: Extract port parsing in own library

---
 src/buildtool/common/remote/port.hpp | 53 ++++++++++++++++++++++++++++++++++++
 1 file changed, 53 insertions(+)
 create mode 100644 src/buildtool/common/remote/port.hpp

(limited to 'src/buildtool/common/remote/port.hpp')

diff --git a/src/buildtool/common/remote/port.hpp b/src/buildtool/common/remote/port.hpp
new file mode 100644
index 00000000..bc850f3a
--- /dev/null
+++ b/src/buildtool/common/remote/port.hpp
@@ -0,0 +1,53 @@
+// Copyright 2023 Huawei Cloud Computing Technology Co., Ltd.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+#ifndef INCLUDED_SRC_BUILDTOOL_COMMON_PORT_HPP
+#define INCLUDED_SRC_BUILDTOOL_COMMON_PORT_HPP
+
+#include <optional>
+
+#include "gsl/gsl"
+#include "src/buildtool/logging/logger.hpp"
+#include "src/utils/cpp/type_safe_arithmetic.hpp"
+
+// Port
+struct PortTag : type_safe_arithmetic_tag<std::uint16_t> {};
+using Port = type_safe_arithmetic<PortTag>;
+
+[[nodiscard]] static auto ParsePort(int const port_num) noexcept
+    -> std::optional<Port> {
+    try {
+        static constexpr int kMaxPortNumber{
+            std::numeric_limits<uint16_t>::max()};
+        if (port_num >= 0 and port_num <= kMaxPortNumber) {
+            return gsl::narrow_cast<Port::value_t>(port_num);
+        }
+    } catch (std::out_of_range const& e) {
+        Logger::Log(LogLevel::Error, "Port raised out_of_range exception.");
+    }
+    return std::nullopt;
+}
+
+[[nodiscard]] static auto ParsePort(std::string const& port) noexcept
+    -> std::optional<Port> {
+    try {
+        auto port_num = std::stoi(port);
+        return ParsePort(port_num);
+    } catch (std::invalid_argument const& e) {
+        Logger::Log(LogLevel::Error, "Port raised invalid_argument exception.");
+    }
+    return std::nullopt;
+}
+
+#endif  // INCLUDED_SRC_BUILDTOOL_COMMON_PORT_HPP
-- 
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