1 files changed, 82 insertions, 0 deletions
diff --git a/src/messages/MDentryLink.h b/src/messages/MDentryLink.h
new file mode 100644
index 000000000..f96dccf96
--- /dev/null
+++ b/src/messages/MDentryLink.h
@@ -0,0 +1,82 @@
+// -*- 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) 2004-2006 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_MDENTRYLINK_H
+#define CEPH_MDENTRYLINK_H
+
+#include <string_view>
+
+#include "messages/MMDSOp.h"
+
+class MDentryLink final : public MMDSOp {
+private:
+  static constexpr int HEAD_VERSION = 1;
+  static constexpr int COMPAT_VERSION = 1;
+  
+  dirfrag_t subtree;
+  dirfrag_t dirfrag;
+  std::string dn;
+  bool is_primary = false;
+
+ public:
+  dirfrag_t get_subtree() const { return subtree; }
+  dirfrag_t get_dirfrag() const { return dirfrag; }
+  const std::string& get_dn() const { return dn; }
+  bool get_is_primary() const { return is_primary; }
+
+  ceph::buffer::list bl;
+
+protected:
+  MDentryLink() :
+    MMDSOp(MSG_MDS_DENTRYLINK, HEAD_VERSION, COMPAT_VERSION) { }
+  MDentryLink(dirfrag_t r, dirfrag_t df, std::string_view n, bool p) :
+    MMDSOp(MSG_MDS_DENTRYLINK, HEAD_VERSION, COMPAT_VERSION),
+    subtree(r),
+    dirfrag(df),
+    dn(n),
+    is_primary(p) {}
+  ~MDentryLink() final {}
+
+public:
+  std::string_view get_type_name() const override { return "dentry_link";}
+  void print(std::ostream& o) const override {
+    o << "dentry_link(" << dirfrag << " " << dn << ")";
+  }
+  
+  void decode_payload() override {
+    using ceph::decode;
+    auto p = payload.cbegin();
+    decode(subtree, p);
+    decode(dirfrag, p);
+    decode(dn, p);
+    decode(is_primary, p);
+    decode(bl, p);
+  }
+  void encode_payload(uint64_t features) override {
+    using ceph::encode;
+    encode(subtree, payload);
+    encode(dirfrag, payload);
+    encode(dn, payload);
+    encode(is_primary, payload);
+    encode(bl, payload);
+  }
+private:
+  template<class T, typename... Args>
+  friend boost::intrusive_ptr<T> ceph::make_message(Args&&... args);
+  template<class T, typename... Args>
+  friend MURef<T> crimson::make_message(Args&&... args);
+};
+
+#endif