# abr HTTP benchmark tool inspired by ApacheBench. Available in C and Python implementations. ## C Version Uses non-blocking sockets with poll() multiplexing and OpenSSL for TLS. ### Requirements - GCC - OpenSSL development libraries (libssl-dev) - POSIX-compliant system (Linux, BSD, macOS) ### Build ```sh make # build optimized binary make debug # build with debug symbols make valgrind # run memory leak tests make clean # remove build artifacts ``` ### Usage ```sh ./abr -n -c [-k] [-i] ``` ## Python Version Uses asyncio with aiohttp for concurrent HTTP requests. ### Requirements - Python 3.7+ - aiohttp ### Install ```sh make py-install ``` ### Usage ```sh python3 abr.py -n -c [-k] [-i] make py-run # quick test run make py-test # test with more requests ``` ## Options | Option | Description | |--------|-------------| | `-n` | Total number of requests | | `-c` | Concurrent connections (max 10000) | | `-k` | Enable HTTP Keep-Alive | | `-i` | Skip SSL certificate verification | ## Example ```sh ./abr -n 1000 -c 50 -k https://example.com/ python3 abr.py -n 1000 -c 50 -k https://example.com/ ``` ## Output - Requests per second - Transfer rate (KB/s) - Response time percentiles (50th, 66th, 75th, 80th, 90th, 95th, 98th, 99th) - Connection time statistics (min, mean, median, max, standard deviation) ## Technical Details ### C Version - Event-driven architecture using poll() - Connection pooling with keep-alive support - Chunked transfer-encoding support - IPv4 and IPv6 via getaddrinfo() - 30-second per-request timeout - Graceful shutdown on SIGINT/SIGTERM - OpenSSL 1.0.x and 1.1+ compatibility - Memory leak free (verified with valgrind) ### Python Version - Async I/O with asyncio and aiohttp - Connection pooling with keep-alive support - 30-second per-request timeout - Graceful shutdown on SIGINT/SIGTERM