server/Writer.h

#pragma once
 
#include <boost/asio/buffer.hpp>
 
#include <cstddef>
#include <functional>
#include <vector>
 
namespace xrpl {
 
class Writer
{
public:
    virtual ~Writer() = default;

    virtual bool
    complete() = 0;

    virtual void
    consume(std::size_t bytes) = 0;

    virtual bool
    prepare(std::size_t bytes, std::function<void(void)> resume) = 0;

    virtual std::vector<boost::asio::const_buffer>
    data() = 0;
};
 
}  // namespace xrpl