libuhttpd/README.md

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# libuhttp([中文](https://github.com/zhaojh329/libuhttp/blob/master/README_ZH.md))
![](https://img.shields.io/badge/license-GPLV3-brightgreen.svg?style=plastic "License")
[libev]: http://software.schmorp.de/pkg/libev.html
[http-parser]: https://github.com/nodejs/http-parser
A very tiny and fast HTTP library based on [libev] and [http-parser] for Embedded Linux.
Support HTTPS(alternative OpenSSL and CyaSSl(wolfssl)) and if you're sensitive to size,
you can choose CyaSSl(wolfssl).
`Keep Watching for More Actions on This Space`
# Features
* tiny and fast
* use [libev] as its event backend
* support HTTPS: alternative OpenSSL and CyaSSl(wolfssl)
* flexible and you can easily extend your application to have HTTP/HTTPS services
* Lua template: embedding LUA code into HTML code, like embedding PHP to HTML(soon be supported)
* code structure is concise and understandable, also suitable for learning
# Why use [libev] as its backend?
[libev] tries to do one thing only (POSIX event library), and this in the most efficient way possible.
Libevent tries to give you the full solution (event lib, non-blocking I/O library, http server, DNS client).
[libev] tries to follow the UNIX toolbox philosophy of doing one thing only, as good as possible.
# How to Build
## Install dependency Tools and Libraries
Ubuntu
~$ sudo apt install gcc cmake libev-dev libssl-dev libwolfssl-dev
CentOS
~$ sudo yum install gcc cmake libev-devel openssl-devel
## Clone the repository
~$ git clone https://github.com/zhaojh329/libuhttp.git
~$ cd libuhttp
## Create the build directory
~/libuhttp$ mkdir build
~/libuhttp$ cd build
## Configure
See which configuration are supported
~/libuhttp/build$ cmake .. -L
~/libuhttp/build$ cmake .. -LH
Default configure: automatically select the SSL library as its SSL backend(If there is a SSL library available)
~/libuhttp/build$ cmake ..
Disable SSl support
~/libuhttp/build$ cmake .. -DUHTTP_DISABLE_SSL=1
Explicit use OpenSSL as its SSL backend
~/libuhttp/build$ cmake .. -DUHTTP_USE_OPENSSL=1
Explicit use CyaSSl(wolfssl) as its SSL backend
~/libuhttp/build$ cmake .. -DUHTTP_USE_CYASSL=1
Turn on debug
~/libuhttp/build$ cmake .. -DUHTTP_DEBUG=1
## Build and install libuhttp
~/libuhttp/build$ make && sudo make install
## Run the Example
First generate the SSL certificate file
~/libuhttp/build$ cd ..
~/libuhttp$ ./gen_cert.sh
Run
~/libuhttp$ ./build/example/helloworld
Then use the command curl or browser to test
$ curl -k 'https://127.0.0.1:8000/test?name=context%3d%7b"nid"%3a"test"%7d' -v
If use browser to test, it will be show
Hello World
Libuhttp v0.1
Url: /test?name=context%3d%7b%22nid%22%3a%22test%22%7d
Path: /test
Name: context%3d%7b%22nid%22%3a%22test%22%7d
Unescaped Name: context={"nid":"test"}
Host: 192.168.0.100:8000
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/61.0.3163.100 Safari/537.36
# [Example](https://github.com/zhaojh329/libuhttp/blob/master/example/helloworld.c)
# Contributing
If you would like to help making [libuhttp](https://github.com/zhaojh329/libuhttp) better,
see the [CONTRIBUTING.md](https://github.com/zhaojh329/libuhttp/blob/master/CONTRIBUTING.md) file.
# Thanks for the following project
* [libev]
* [http-parser]
* [mongoose](https://github.com/cesanta/mongoose)