Net-Assist

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📊 轻量的图形化 TCP/UDP 调试工具 • 无干预监听 • 数据发送 🏷️ Lightweight graphical TCP/UDP debugging tool • Non-intrusive monitoring • Data transmission

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# 🚀 Net-Assist

[简体中文项目介绍](README.zh-CN.md)

> ⚠️ This is a learning project. Since the core implementation relies on WinDivert, this project only supports the Windows platform. Additionally, this project does not provide production-level performance optimizations or long-term community support

`Net-Assist` is based on the **WinDivert** driver, enabling seamless network packet sniffing directly at the Windows kernel level (without occupying listening ports). It uses a fully asynchronous, highly decoupled design to ensure UI responsiveness and efficient data processing under high load

[![Language](https://img.shields.io/badge/Language-C%2B%2B%2017-orange.svg)](https://isocpp.org/)
[![License: GPL v3](https://img.shields.io/badge/License-GPLv3-blue.svg)](https://www.gnu.org/licenses/gpl-3.0)
[![Build](https://img.shields.io/badge/Build-CMake-green.svg)](https://cmake.org/)

## ✨ Core Features

- **Packet Sniffing**: Based on the `WinDivert` driver, it directly sniffs **TCP**/**UDP** packets at the kernel level, providing the lowest-level packet sniffing without occupying any listening ports
- **Fully Asynchronous I/O Architecture**: Uses `Asio` for a high-performance, event-driven model, with all network and file operations executed in background threads
- **Modular Design**: The core network service (`Net`) and the user interface (`GUI`) are completely decoupled through dependency injection
- **Lightweight GUI**: Built with `ImGui` for an efficient, fast-rendering, and low-resource-consumption interface

## 🛠️ Tech Stack

- **Language**: C++17
- **Build System**: CMake
- **Dependency Management**: vcpkg
- **Core Networking**: WinDivert, Asio
- **GUI**: ImGui, GLFW, OpenGL
- **Other Dependencies**: GLAD

## 🚀 Getting Started

### Prerequisites

- Windows 10/11
- [vcpkg](https://github.com/microsoft/vcpkg)
- [CMake](https://cmake.org/download/)

### Building

1.  **Clone the repository**
    ```bash
    git clone https://github.com/ELDment/Net-Assist.git
    cd Net-Assist
    ```

2.  **Configure the project** (CMake will handle dependencies automatically via vcpkg)
    ```bash
    cmake --preset debug
    ```

3.  **Build the project**
    ```bash
    cmake --build --preset debug
    ```

## 🙏 Acknowledgements

- This project was inspired by [nicedayzhu/netAssist](https://github.com/nicedayzhu/netAssist), and its UI design was referenced
- This project uses the [山海江南隶45W](https://m.fontke.com/font/256207008/) font

Net-Assist

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