bserv

A Boost Based C++ HTTP JSON Server.

NOTE:

• To build the dependencies & the project, refer to BUILD-Windows.md or BUILD-ubuntu.md.
• bserv contains the source code for bserv.

Quick Start

In Windows, you can simply open examples/Examples.sln. In Ubuntu, examples/CMakeLists.txt can be used to compile all the examples.

Hello, World!

examples/hello.cpp:

#include <bserv/common.hpp>
#include <boost/json.hpp>
boost::json::object hello()
{
        return {{"msg", "hello, world!"}};
}
int main()
{
        bserv::server_config config;
        // config.set_port(8080);
        bserv::server{config, {
                bserv::make_path("/hello", &hello)
        }};
}

By default, bserv listens to 8080. When you make a request (of any type) to localhost:8080/hello, it will respond: {"msg": "hello, world!"}.

Routing

examples/routing.cpp:

#include <bserv/common.hpp>
#include <boost/json.hpp>
#include <string>
boost::json::object greet(
	const std::string& name)
{
	return {{"hello", name}};
}
boost::json::object greet2(
	const std::string& name1,
	const std::string& name2)
{
	return {
		{"name1", name1},
		{"name2", name2}
	};
}
boost::json::object echo(
	boost::json::object&& params)
{
	return params;
}
int main()
{
	bserv::server_config config;
	bserv::server{config, {
		bserv::make_path(
			"/greet/<str>", &greet,
			bserv::placeholders::_1),
		bserv::make_path(
			"/greet/<str>/and/<str>", &greet2,
			bserv::placeholders::_1,
			bserv::placeholders::_2),
		bserv::make_path(
			"/echo", &echo,
			bserv::placeholders::json_params)
	}};
}

The following table shows some requests & responses:

Method	URL	Request Body	Response Body
Any	/greet/world	(Empty)	{"hello": "world"}
Any	/greet/world1/and/world2	(Empty)	{"name1": "world1", "name2": "world2"}
GET	/echo?hello=world	(Empty)	{"hello": "world"}
POST	/echo	{"hello": "world"}	{"hello": "world"}

All of the URLs should be prefixed with localhost:8080 when you make the requests.

Sample Project: WebApp

• WebApp is a sample project.
• config-Windows.json and config-ubuntu.json are two sample config file for WebApp's startup parameters. It should be configured and renamed to config.json before you start WebApp.
• To use WebApp, you should setup the database as well.

Database

You can import the sample database:

• Create the database in psql:

  create database bserv;
  

• Create the table in the shell using a sample script:

  psql bserv < db.sql
  

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