webserv

webserv is a I/O Multiplexing HTTP/1.1 server.

Authors

• selim
• jiholee

👉 노션 페이지

1. Build & Usage

# Compile the sources
make

# Run the server (if no 
./webserv [config_file]

2. Features

• Nginx-like configuration file
• HTTP Protocol (ex. status line, request line...)
• HTTP 1.1 Header
• I/O multiplexing (kqueue)
• GET, POST, DELETE HTTP methods
• HTTP redirections
• HTTP response status codes (ex. 200, 301...)
• CGI implementation (ex. bla, php...)
• Auto Index on/off

3. Configuration File Example

server
{
	server_name default
	listen 8180 127.0.0.1			

	location /					
	{
		error_page 404 ./tests/test1/error404.html
		allow_methods GET POST DELETE
		root ./tests/test1/
		index index.html index2.html
		auto_index on
		cgi_info .php ./tests/tester_bin/php-cgi
		cgi_info .bla ./tests/tester_bin/cgi_tester
	}
	
	location /auth/
	{
		allow_methods GET POST DELETE
		request_max_body_size	42
		root ./tests/test1/
		index index.html index2.html
		auto_index on
		cgi_info .php	./tests/tester_bin/php-cgi
		auth_key selim:1234
	}
}

• server : server block
• listen : port and ip
• location : set for specific route
• error_page : path for custom error page
• allow_method : allowed methods for HTTP requests
• index : default file for the requested URI
• cgi_info : cgi execute for specific file extension
• request_max_body_size : max limit for request body size
• auth_key : authorization needed

4. Test

• curl

curl -X POST -H “Content-Type: plain/text” –data “BODY is here and write something longer or shorter than limit”

• Postman

[POST] localhost:8179/index.html 

[GET/DELETE] localhost:8179/index

• Browser

localhost:8182

localhost:8180/youpi.php

• Siege

# 소켓 제한을 풀어주는 명령어 
sudo sysctl -w net.inet.tcp.msl=100

# seige 명령어
siege -b -R <(echo connection = keep-alive) -c100 127.0.0.1:8180

5. HTTP Method function explained with flowchart

5.1. GET

5.2. POST

5.3. DELETE

5.4. REDIRECTION

5.5. CGI