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Project Overview

The Linux C++ Backend Development Playground is structured into four progressive phases, each designed to build upon the previous one and introduce increasingly complex concepts and challenges.

Project Structure​

The project follows this organized structure:

cpp-linux-playground/
├── CMakeLists.txt      # Root CMake configuration managing all sub-projects
├── phase1/             # Phase 1: Syntax and Tool Familiarization
│   ├── cli-tools/      # Command-line tools (ls, grep, wc)
│   ├── json-parser/    # JSON parsing library
│   └── logger/         # Multi-threaded logging system
├── phase2/             # Phase 2: System Programming
│   ├── memory-pool/    # Custom memory allocator
│   ├── process-manager/ # Process management tools
│   └── threaded-downloader/ # Multi-threaded download system
├── phase3/             # Phase 3: Network Programming
│   ├── tcp-chat-room/   # Multi-threaded TCP chat application
│   ├── http-server/     # HTTP static file server
│   └── tcp-file-transfer/ # TCP file transfer protocol
├── phase4/             # Phase 4: Comprehensive Practice
│   ├── crawler/         # High-concurrency web crawler
│   ├── mini-redis/      # Redis-like key-value store
│   └── mini-search/     # Search engine implementation
├── docker/             # Docker configuration files
├── scripts/            # Automation scripts
└── docs/               # Additional documentation

Phase Progression​

Phase 1: Syntax and Tool Familiarization​

Focuses on mastering fundamental C++20 syntax and common command-line tools:

  • Implement simplified versions of Linux command-line utilities (ls, grep, wc)
  • Build a JSON parser library
  • Develop a multi-threaded logger system

Phase 2: System Programming​

Delves into Linux system calls and low-level programming:

  • Create a multi-threaded downloader application
  • Build a process management tool (similar to ps/top)
  • Implement a custom memory pool allocator

Phase 3: Network Programming​

Covers networking fundamentals and protocols:

  • Implement a TCP multi-threaded chat room
  • Build an HTTP static file server
  • Create a TCP file transfer server

Phase 4: Comprehensive Practice​

Combines all learned skills in complex, real-world projects:

  • Build a mini-Redis key-value storage system
  • Implement a mini-search engine
  • Develop a high-concurrency web crawler

Development Standards​

Throughout the project, you'll follow industry-standard practices:

  • Code Style: Consistent formatting using clang-format
  • Testing: Comprehensive unit testing with Google Test
  • Documentation: Clear, descriptive comments and documentation
  • Git Workflow: Structured commit messages and branching strategies
  • Build Systems: CMake for cross-platform builds

Next Steps​

Explore the individual phases to get started with specific learning modules: