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// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
// vim: ts=8 sw=2 smarttab
#ifndef CEPH_LIBRBD_MIGRATION_HTTP_STREAM_H
#define CEPH_LIBRBD_MIGRATION_HTTP_STREAM_H
#include "include/int_types.h"
#include "librbd/migration/StreamInterface.h"
#include <boost/beast/http/message.hpp>
#include <boost/beast/http/string_body.hpp>
#include <json_spirit/json_spirit.h>
#include <memory>
#include <string>
struct Context;
namespace librbd {
struct AsioEngine;
struct ImageCtx;
namespace migration {
template <typename> class HttpClient;
template <typename ImageCtxT>
class HttpStream : public StreamInterface {
public:
static HttpStream* create(ImageCtxT* image_ctx,
const json_spirit::mObject& json_object) {
return new HttpStream(image_ctx, json_object);
}
HttpStream(ImageCtxT* image_ctx, const json_spirit::mObject& json_object);
~HttpStream() override;
HttpStream(const HttpStream&) = delete;
HttpStream& operator=(const HttpStream&) = delete;
void open(Context* on_finish) override;
void close(Context* on_finish) override;
void get_size(uint64_t* size, Context* on_finish) override;
void read(io::Extents&& byte_extents, bufferlist* data,
Context* on_finish) override;
private:
using HttpResponse = boost::beast::http::response<
boost::beast::http::string_body>;
ImageCtxT* m_image_ctx;
CephContext* m_cct;
std::shared_ptr<AsioEngine> m_asio_engine;
json_spirit::mObject m_json_object;
std::string m_url;
std::unique_ptr<HttpClient<ImageCtxT>> m_http_client;
};
} // namespace migration
} // namespace librbd
extern template class librbd::migration::HttpStream<librbd::ImageCtx>;
#endif // CEPH_LIBRBD_MIGRATION_HTTP_STREAM_H
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