Adding upstream version 14.2.21.upstream/14.2.21upstream

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

1 files changed, 52 insertions, 0 deletions

diff --git a/src/crimson/net/Fwd.h b/src/crimson/net/Fwd.h
new file mode 100644
index 00000000..8a0a1c96
--- /dev/null
+++ b/src/crimson/net/Fwd.h
@@ -0,0 +1,52 @@
+// -*- 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) 2017 Red Hat, Inc
+ *
+ * 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.
+ *
+ */
+
+#pragma once
+
+#include <seastar/core/shared_ptr.hh>
+#include <seastar/core/sharded.hh>
+
+#include "msg/msg_types.h"
+#include "msg/Message.h"
+
+using peer_type_t = int;
+using auth_proto_t = int;
+
+namespace ceph::net {
+
+using msgr_tag_t = uint8_t;
+
+class Connection;
+using ConnectionRef = seastar::shared_ptr<Connection>;
+// NOTE: ConnectionXRef should only be used in seastar world, because
+// lw_shared_ptr<> is not safe to be accessed by unpinned alien threads.
+using ConnectionXRef = seastar::lw_shared_ptr<seastar::foreign_ptr<ConnectionRef>>;
+
+class Dispatcher;
+
+class Messenger;
+
+template <typename T, typename... Args>
+seastar::future<T*> create_sharded(Args... args) {
+  auto sharded_obj = seastar::make_lw_shared<seastar::sharded<T>>();
+  return sharded_obj->start(args...).then([sharded_obj]() {
+      auto ret = &sharded_obj->local();
+      seastar::engine().at_exit([sharded_obj]() {
+          return sharded_obj->stop().finally([sharded_obj] {});
+        });
+      return ret;
+    });
+}
+
+} // namespace ceph::net