1 files changed, 68 insertions, 0 deletions
diff --git a/src/librbd/migration/HttpStream.h b/src/librbd/migration/HttpStream.h
new file mode 100644
index 000000000..01a583714
--- /dev/null
+++ b/src/librbd/migration/HttpStream.h
@@ -0,0 +1,68 @@
+// -*- 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