http_server_cpp

Http/1.0 server from scratch in c++ without using any third party library

Setup

• clone the repo
• cd into the repo cd/http_server_cpp
• run below command to build the project

  make

• spin up the server, we should see Server listening on 0.0.0.0:8080

  ./build/http_server

• run example endpoints localhost:8080/ or localhost:8080/hello.html

---

features

• built on macOS and uses a single-threaded, event-driven design to be fast and scalable
• Support basic HTTP request and response
• non blocking I/O
• can handle concurrent clients ( max is set at default 1024 )
• can handle more than 50k requests per send ( C10K )
• Keeps client connections open for multiple requests ( HTTP keep alive)

---

file structure:

http-server/
├── build/              # Where compiled files go (created when you build)
│   ├── http_server     # The executable you run
│   ├── *.o             # Temporary object files
├── http_message.h      # Defines HTTP request/response structures
├── http_message.cpp    # Handles parsing requests and building responses
├── http_server.h       # Defines the server class
├── http_server.cpp     # Runs the server and processes requests
├── main.cpp            # Starts the server with example endpoints
└── Makefile            # Script to compile the project

---

Testing

• I have used wrk to test my server
• System details:

      System Version: macOS 15.3.2 (24D81)
      Model Name: MacBook Air
      Model Identifier: MacBookAir10,1
      Model Number: MGN63HN/A
      Chip: Apple M1
      Total Number of Cores: 8 (4 performance and 4 efficiency)
      Memory: 8 GB
  

• install wrk if not installed

  brew install wrk

• results: run this cmd to benchmark the server wrk -t10 -c500 -d60s http://0.0.0.0:8080/

  10 threads and 500 connections
  Thread Stats   Avg      Stdev     Max   +/- Stdev
      Latency     8.92ms    9.07ms 472.84ms   99.69%
      Req/Sec     5.83k   260.17     6.89k    94.80%
  3480746 requests in 1.00m, 338.59MB read
  Requests/sec:  57995.56
  Transfer/sec:      5.64MB
  

  As we can see, server is able to handle more than 30k requests per second

credits/inspiration : repo_link