Import ceph 15.2.8

[ceph.git] / ceph / src / neorados / RADOSImpl.cc

diff --git a/ceph/src/neorados/RADOSImpl.cc b/ceph/src/neorados/RADOSImpl.cc
new file mode 100644 (file)
index 0000000..bddd62c
--- /dev/null
+++ b/ceph/src/neorados/RADOSImpl.cc
@@ -0,0 +1,121 @@
+// -*- 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.
+ *
+ */
+
+
+#include <boost/system/system_error.hpp>
+
+#include "common/common_init.h"
+
+#include "global/global_init.h"
+
+#include "RADOSImpl.h"
+
+namespace neorados {
+namespace detail {
+
+RADOS::RADOS(boost::asio::io_context& ioctx,
+            boost::intrusive_ptr<CephContext> cct)
+  : Dispatcher(cct.get()),
+    ioctx(ioctx),
+    cct(cct),
+    monclient(cct.get(), ioctx),
+    mgrclient(cct.get(), nullptr, &monclient.monmap) {
+  auto err = monclient.build_initial_monmap();
+  if (err < 0)
+    throw std::system_error(ceph::to_error_code(err));
+
+  messenger.reset(Messenger::create_client_messenger(cct.get(), "radosclient"));
+  if (!messenger)
+    throw std::bad_alloc();
+
+  // Require OSDREPLYMUX feature. This means we will fail to talk to
+  // old servers. This is necessary because otherwise we won't know
+  // how to decompose the reply data into its constituent pieces.
+  messenger->set_default_policy(
+    Messenger::Policy::lossy_client(CEPH_FEATURE_OSDREPLYMUX));
+
+  objecter = std::make_unique<Objecter>(cct.get(), messenger.get(), &monclient, ioctx);
+
+  objecter->set_balanced_budget();
+  monclient.set_messenger(messenger.get());
+  mgrclient.set_messenger(messenger.get());
+  objecter->init();
+  messenger->add_dispatcher_head(&mgrclient);
+  messenger->add_dispatcher_tail(objecter.get());
+  messenger->start();
+  monclient.set_want_keys(CEPH_ENTITY_TYPE_MON | CEPH_ENTITY_TYPE_OSD | CEPH_ENTITY_TYPE_MGR);
+  err = monclient.init();
+  if (err) {
+    throw boost::system::system_error(ceph::to_error_code(err));
+  }
+  err = monclient.authenticate(cct->_conf->client_mount_timeout);
+  if (err) {
+    throw boost::system::system_error(ceph::to_error_code(err));
+  }
+  messenger->set_myname(entity_name_t::CLIENT(monclient.get_global_id()));
+  // Detect older cluster, put mgrclient into compatible mode
+  mgrclient.set_mgr_optional(
+      !get_required_monitor_features().contains_all(
+        ceph::features::mon::FEATURE_LUMINOUS));
+
+  // MgrClient needs this (it doesn't have MonClient reference itself)
+  monclient.sub_want("mgrmap", 0, 0);
+  monclient.renew_subs();
+
+  mgrclient.init();
+  objecter->set_client_incarnation(0);
+  objecter->start();
+
+  messenger->add_dispatcher_tail(this);
+
+  std::unique_lock l(lock);
+  instance_id = monclient.get_global_id();
+}
+
+RADOS::~RADOS() {
+  if (objecter && objecter->initialized) {
+    objecter->shutdown();
+  }
+
+  mgrclient.shutdown();
+  monclient.shutdown();
+
+  if (messenger) {
+    messenger->shutdown();
+    messenger->wait();
+  }
+}
+
+bool RADOS::ms_dispatch(Message *m)
+{
+  switch (m->get_type()) {
+  // OSD
+  case CEPH_MSG_OSD_MAP:
+    m->put();
+    return true;
+  }
+  return false;
+}
+
+void RADOS::ms_handle_connect(Connection *con) {}
+bool RADOS::ms_handle_reset(Connection *con) {
+  return false;
+}
+void RADOS::ms_handle_remote_reset(Connection *con) {}
+bool RADOS::ms_handle_refused(Connection *con) {
+  return false;
+}
+
+} // namespace detail
+} // namespace neorados