Multi-Threaded Proxy Server with LRU Cache

This project is implemented using C and a Parsing Library.

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Project Overview

Introduction

A multithreaded proxy server capable of handling multiple client requests simultaneously. It includes an optional cache system using the LRU algorithm to optimize request handling.

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Key Features

• Multithreading: Utilizes threads to handle multiple client requests simultaneously, improving responsiveness and throughput.
• LRU Cache Implementation: Caches frequently accessed web pages to reduce latency and bandwidth usage.
• Concurrency Control: Synchronization mechanisms such as semaphores and locks ensure thread-safe operations.

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How Did We Implement Multi-threading?

• Semaphore over Condition Variables:
  • pthread_join() and pthread_exit() require thread IDs for thread management.
  • Semaphores (sem_wait() and sem_post()) do not require parameters, making them a better choice for simplicity and concurrency control.

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Motivation

• Understanding:
  • How requests are processed from the local machine to the server.
  • Handling multiple client requests concurrently.
  • Locking mechanisms for ensuring thread safety.
  • The concept of caching and its role in browsers.

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Future Enhancements

• Extend the proxy server to handle POST requests.
• Extend functionality to handle HTTPS traffic using SSL/TLS.

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How to Run

$ git clone https://github.com/npxpatel/ThreadServe.git
$ cd ThreadServe
$ make all
$ ./proxy <port no.>

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Note:

• This code can only be run in Linux Machine. Please disable your browser cache.
• Can run in WSL if required

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Contributing

Feel free to add some and extend as you want!