Lev - Lightweight C++ wrapper for LibEvent 2 API

Overview

lev

Lightweight C++ wrapper for LibEvent 2 API

Build Status

LibEvent is a great library. It uses a C interface which is well designed but has a learning curve. This library, lev, is a very simple API in C++ that encapsulates commonly used functionality. It tries to stay close to the libevent API concepts except when there is confusion. It simplifies life-times of objects. The callback function signatures remain identical--but lev objects can be constructed within the callback functions.

      EvHttpRequest evreq(req);

lev is actually just a couple of header file, lev.h, and levhttp.h (if you need a httpserver). Just include it in your application and start using all the classes--no need to build or install:

class IpAddr;
class EvBaseLoop;
class EvEvent;
class EvKeyValues;
class EvBuffer;
class EvBufferEvent;
class EvConnListener;
class EvHttpUri;
class EvHttpRequest;
class EvHttpServer;

Code: An HTTP server using lev. Look at the example section for more.

  #include "lev.h"
  #include "levhttp.h"
  using namespace lev;

  static
  void onHttpHello(struct evhttp_request* req, void* arg)
  {
      EvHttpRequest evreq(req);
      evreq.output().printf("<..>Hello World!<..>");
      evreq.sendReply(200, "OK");
  }

  int main(int argc, char** argv)
  {
      EvBaseLoop base;
      EvHttpServer http(base);

      http.addRoute("/hello", onHttpHello);
      http.bind("127.0.0.1", 8080);

      base.loop();

      return 0;
  }
Issues
  • Biicode support

    Biicode support

    Hi!

    My name is Luis Martinez and I write you from biicode a small start-up that’s developing a C and C++ dependency manager; just like Maven and Maven Central for Java. Our tool aims to allow our users to set-up a project with just #includes.

    We took a look to lev library and realized it is pretty amazing. I have forked your repository to support biicode and uploaded a biicode block to http://www.biicode.com/lasote/lev

    How can biicode be useful for you?

    • We already have libevent and openssl uploaded on biicode, so it's not necessary to take care about having the dependency in your project, downloading, installing or building... just #include it.
    • People that like your library can easy include it, so, more people can use your code.

    Here is an example

    Install biicode. https://www.biicode.com/downloads Create new project folder and a block folder:

    $ bii init lev_project
    $ cd lev_project
    $ bii new some_user/lev_example
    

    Create a "main.cpp" file in "blocks/some_user/lev_example" folder and directly #include your library headers with the block namespace. You can use any of your examples:

    #include "lasote/lev/include/lev.h" #include "lasote/lev/include/levhttp.h"

    (Note:If you think it's annoying for users to change their includes do not worry: there is an easy way to do a mapping inside biicode.conf file, so you can keep the includes like lev.h and levhttp.h)

    Execute "bii find" and biicode will download the required files (libevent included!):

    $ bii find
    

    Compile the example:

    $ bii cpp:build
    

    The uploaded block is on lasote/lev, but we will glad if you want to upload the library to your biicode's user. So your users could maybe type #include "yasser/lev/include/lev.h" and reuse your code!

    If you would to do that, just rename block folder from "lasote" to your user, ex "yasser", and edit biicode.conf file and change the [parent] block (track from biicode remote) to yasser/lev: -1

    This way biicode will publish a new block in your user workspace:

    $ bii publish --tag STABLE If you want to know more about biicode or need help just write me! [email protected]

    Thanks!

    opened by lasote 1
  • README with biicode badge

    README with biicode badge

    Thanks for merge!

    I put a badge to help people to know that your library can be used with biicode. If you want to try biicode I could transfer lasote/lev library to your biicode user.

    Thanks for your lib!

    opened by lasote 0
  • Syntax highlight the README code examples

    Syntax highlight the README code examples

    Thanks for making this great library! This PR adds syntax highlighting to the code examples in the README, which makes the code examples more readable. You can see how this is rendered on GitHub here: https://github.com/eklitzke/lev/tree/hilite

    opened by eklitzke 0
Owner
Yasser Asmi
Programmer at Microsoft
Yasser Asmi
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