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libuhttp

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).

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Features

use libev as its event backend
tiny and fast
support HTTPS: Alternative OpenSSL and CyaSSl(wolfssl)
flexible and you can easily extend your application to have HTTP/HTTPS services
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

Contributing

If you would like to help making libuhttp better, see the CONTRIBUTING.md file.

Thanks for the following project

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