Drogon is a C++14/17-based HTTP application framework. Drogon can be used to easily build various types of web application server programs using C++.

Drogon is the name of a dragon in the American TV series "Game of Thrones" that I really like.

Drogon's main application platform is Linux. It also supports Mac OS and FreeBSD. Windows will be supported in future also.

Its main features are as follows:

  • Use a non-blocking I/O network lib based on epoll (kqueue under MacOS/FreeBSD) to provide high-concurrency, high-performance network IO, please visit the Benchmarks page for more details;
  • Provide a completely asynchronous programming mode;
  • Support asynchronously reading and writing database, the database include PostgreSQL, MySQL(MariaDB) and sqlite3;

  • Support Http1.0/1.1 (server side and client side);
  • Support https (based on OpenSSL);
  • Support WebSocket (server side);
  • Support pipelining;
  • Support cookies and built-in sessions;
  • Support JSON format request and response, very friendly to the Restful API application development;
  • Support gzip compression transmission;
  • Support file download and upload;
  • Support plugins which can be installed by the configuration file at load time;

  • Completely decouple the main program framework, controllers and views.
  • Support routing from the path to the controller handler;
  • Support filter chains to facilitate the execution of unified logic (such as login verification, Http Method constraint verification, etc.) before controllers;
  • The view is described by a "JSP-like" CSP file, the C++ code is embedded into the Html page by the CSP tag;
  • Support automatically generates the C++ code file from view CSP file;
  • Support back-end rendering, the controller generates the data to the view to generate the Html page,
  • Support view page dynamic loading (dynamic compilation and loading at runtime);
  • Lightweight ORM implementation that supports for regular object-to-database bidirectional mapping;
  • Provide a command line tool, drogon_ctl, to quickly create various classes and view code;
  • Support AOP with build-in joinpoints.
  • Support ARM Architecture;

02 Install drogon

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