dyfet/websocketer

A header-only websocket client library build on Boost::Beast

Websocketer

A header-only websocket client library built on boost::beast library

Dependencies

• Boost (1.75 or greater)
• OpenSSL
• Google Benchmark (for benchmarks)

Building on OSX

• mkdir build
• cd build
• cmake -DOPENSSL_ROOT_DIR=/usr/local/opt/openssl -DCMAKE_INSTALL_PREFIX:PATH=`pwd`/usr ..
• cmake --build . --config Release --target install -- -j $(nproc)

Running tests

• ./tests/tests

Usage

Steps

#include "websocketer/websocketer.hpp"

#include <catch2/catch.hpp>
#include <memory>
#include <string>

TEST_CASE("ws")
{
  namespace beast = boost::beast;
  namespace ws    = websocketer::asio;

  bool passed = false;

  std::string host("echo.websocket.org");
  std::string service("80");

  boost::asio::io_context io;
  ws::ws                  client(io, host, service);
  beast::flat_buffer      buffer;
  std::string             data_to_send("hello world");

  client.async_open([&data_to_send, &buffer, &passed](const boost::system::error_code &ec,
                                                      std::shared_ptr<ws::socket>      socket) {
    if (!ec)
    {
      socket->async_write(data_to_send, [&buffer, &passed](const boost::system::error_code &ec,
                                                           std::shared_ptr<ws::socket>      socket,
                                                           std::size_t) {
        if (!ec)
        {
          socket->async_read(buffer, [&passed](const boost::system::error_code &ec,
                                               std::shared_ptr<ws::socket> socket, std::size_t) {
            if (!ec)
            {
              socket->async_close(
                  [&](const boost::system::error_code &ec, std::shared_ptr<ws::socket>) {
                    if (!ec)
                    {
                      passed = true;
                    }
                  });

            }
          });
        }
      });
    }
  });

  io.run();

  REQUIRE(passed);
}