Parse Shoutcast ICY HTTP responses

[tli-invn]

I am currently using boost::beast to implement a ntrip 1.0 client. It has the request like:

GET /BUCU1 HTTP/1.0 User-Agent: NTRIP GNSSInternetRadio/1.2.0 Authorization: Basic aHVnb2JlbjpodWdvYmVuMTIz

And the response is like: ICY 200 OK

It has the non-standard http response.

I use the beast http client example code, it get this response in the buffer. But it generates a exception in the read function. The error is "Read, Bad version". I am wondering what is the best way to handle the non-standard http response.

void
    on_write(
        boost::system::error_code ec,
        std::size_t bytes_transferred)
{
    boost::ignore_unused(bytes_transferred);

    if (ec)
        return fail(ec, "write");


    // Receive the HTTP response
    // boost::beast::flat_buffer buffer_; // (Must persist between reads)
    // http::response <http::string_body> res_;

    http::async_read(socket_, buffer_, res_,
        std::bind(
            &session::on_read,
            shared_from_this(),
            std::placeholders::_1,
            std::placeholders::_2));
}

void
on_read(
boost::system::error_code ec,
std::size_t bytes_transferred)
{
boost::ignore_unused(bytes_transferred);

if (ec)
    return fail(ec, "read");         // ex

}

[vinniefalco]

See: #595 (comment)

[vinniefalco]

Let me spend a little time on this today and see what I can do

[vinniefalco]

Please try the develop branch which has version 173. The class icy_stream may be used to wrap the socket and parse ICY responses:

boost::beast::icy_stream<boost::asio::ip::tcp::socket> stream(ioc);
...
boost::beast::http::response<boost::beast::http::string_body> res;
beast::http::read(stream, res);