Adding upstream version 18.2.2.upstream/18.2.2

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 135 insertions, 0 deletions

diff --git a/src/neorados/RADOSImpl.h b/src/neorados/RADOSImpl.h
new file mode 100644
index 000000000..d45ca9481
--- /dev/null
+++ b/src/neorados/RADOSImpl.h
@@ -0,0 +1,135 @@
+// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
+// vim: ts=8 sw=2 smarttab
+/*
+ * Ceph - scalable distributed file system
+ *
+ * Copyright (C) 2004-2012 Sage Weil <sage@newdream.net>
+ *
+ * This is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License version 2.1, as published by the Free Software
+ * Foundation.  See file COPYING.
+ *
+ */
+#ifndef CEPH_NEORADOS_RADOSIMPL_H
+#define CEPH_NEORADOS_RADOSIMPL_H
+
+#include <functional>
+#include <memory>
+#include <string>
+
+#include <boost/asio.hpp>
+#include <boost/intrusive_ptr.hpp>
+
+#include "common/ceph_context.h"
+#include "common/ceph_mutex.h"
+
+#include "librados/RadosClient.h"
+
+#include "mon/MonClient.h"
+
+#include "mgr/MgrClient.h"
+
+#include "osdc/Objecter.h"
+
+namespace neorados {
+
+class RADOS;
+
+namespace detail {
+
+class NeoClient;
+
+class RADOS : public Dispatcher
+{
+  friend ::neorados::RADOS;
+  friend NeoClient;
+
+  boost::asio::io_context& ioctx;
+  boost::intrusive_ptr<CephContext> cct;
+
+  ceph::mutex lock = ceph::make_mutex("RADOS_unleashed::_::RADOSImpl");
+  int instance_id = -1;
+
+  std::unique_ptr<Messenger> messenger;
+
+  MonClient monclient;
+  MgrClient mgrclient;
+
+  std::unique_ptr<Objecter> objecter;
+
+public:
+
+  RADOS(boost::asio::io_context& ioctx, boost::intrusive_ptr<CephContext> cct);
+  ~RADOS();
+  bool ms_dispatch(Message *m) override;
+  void ms_handle_connect(Connection *con) override;
+  bool ms_handle_reset(Connection *con) override;
+  void ms_handle_remote_reset(Connection *con) override;
+  bool ms_handle_refused(Connection *con) override;
+  mon_feature_t get_required_monitor_features() const {
+    return monclient.with_monmap(std::mem_fn(&MonMap::get_required_features));
+  }
+};
+
+class Client {
+public:
+  Client(boost::asio::io_context& ioctx,
+         boost::intrusive_ptr<CephContext> cct,
+         MonClient& monclient, Objecter* objecter)
+    : ioctx(ioctx), cct(cct), monclient(monclient), objecter(objecter) {
+  }
+  virtual ~Client() {}
+
+  Client(const Client&) = delete;
+  Client& operator=(const Client&) = delete;
+
+  boost::asio::io_context& ioctx;
+
+  boost::intrusive_ptr<CephContext> cct;
+  MonClient& monclient;
+  Objecter* objecter;
+
+  mon_feature_t get_required_monitor_features() const {
+    return monclient.with_monmap(std::mem_fn(&MonMap::get_required_features));
+  }
+
+  virtual int get_instance_id() const = 0;
+};
+
+class NeoClient : public Client {
+public:
+  NeoClient(std::unique_ptr<RADOS>&& rados)
+    : Client(rados->ioctx, rados->cct, rados->monclient,
+             rados->objecter.get()),
+      rados(std::move(rados)) {
+  }
+
+  int get_instance_id() const override {
+    return rados->instance_id;
+  }
+
+private:
+  std::unique_ptr<RADOS> rados;
+};
+
+class RadosClient : public Client {
+public:
+  RadosClient(librados::RadosClient* rados_client)
+    : Client(rados_client->poolctx, {rados_client->cct},
+             rados_client->monclient, rados_client->objecter),
+      rados_client(rados_client) {
+  }
+
+  int get_instance_id() const override {
+    return rados_client->instance_id;
+  }
+
+public:
+  librados::RadosClient* rados_client;
+};
+
+} // namespace detail
+} // namespace neorados
+
+#endif