rippled/tutorials/utility_client_tutorial/step3.cpp

#include <websocketpp/config/asio_no_tls_client.hpp>
#include <websocketpp/client.hpp>

#include <websocketpp/common/thread.hpp>
#include <websocketpp/common/memory.hpp>

#include <iostream>
#include <string>

typedef websocketpp::client<websocketpp::config::asio_client> client;

class websocket_endpoint {
public:
    websocket_endpoint () {
        m_endpoint.clear_access_channels(websocketpp::log::alevel::all);
        m_endpoint.clear_error_channels(websocketpp::log::elevel::all);

        m_endpoint.init_asio();
        m_endpoint.start_perpetual();

        m_thread.reset(new websocketpp::lib::thread(&client::run, &m_endpoint));
    }
private:
    client m_endpoint;
    websocketpp::lib::shared_ptr<websocketpp::lib::thread> m_thread;
};

int main() {
    bool done = false;
    std::string input;
    websocket_endpoint endpoint;

    while (!done) {
        std::cout << "Enter Command: ";
        std::getline(std::cin, input);

        if (input == "quit") {
            done = true;
        } else if (input == "help") {
            std::cout 
                << "\nCommand List:\n"
                << "help: Display this help text\n"
                << "quit: Exit the program\n"
                << std::endl;
        } else {
            std::cout << "Unrecognized Command" << std::endl;
        }
    }

    return 0;
}