1 files changed, 71 insertions, 0 deletions
diff --git a/src/messages/MExportDirDiscoverAck.h b/src/messages/MExportDirDiscoverAck.h
new file mode 100644
index 000000000..3d7870b22
--- /dev/null
+++ b/src/messages/MExportDirDiscoverAck.h
@@ -0,0 +1,71 @@
+// -*- 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_MEXPORTDIRDISCOVERACK_H
+#define CEPH_MEXPORTDIRDISCOVERACK_H
+
+#include "include/types.h"
+#include "messages/MMDSOp.h"
+
+class MExportDirDiscoverAck final : public MMDSOp {
+private:
+  static constexpr int HEAD_VERSION = 1;
+  static constexpr int COMPAT_VERSION = 1;
+
+  dirfrag_t dirfrag;
+  bool success;
+
+ public:
+  inodeno_t get_ino() const { return dirfrag.ino; }
+  dirfrag_t get_dirfrag() const { return dirfrag; }
+  bool is_success() const { return success; }
+
+protected:
+  MExportDirDiscoverAck() : MMDSOp{MSG_MDS_EXPORTDIRDISCOVERACK, HEAD_VERSION, COMPAT_VERSION} {}
+  MExportDirDiscoverAck(dirfrag_t df, uint64_t tid, bool s=true) :
+    MMDSOp{MSG_MDS_EXPORTDIRDISCOVERACK, HEAD_VERSION, COMPAT_VERSION},
+    dirfrag(df), success(s) {
+    set_tid(tid);
+  }
+  ~MExportDirDiscoverAck() final {}
+
+public:
+  std::string_view get_type_name() const override { return "ExDisA"; }
+  void print(std::ostream& o) const override {
+    o << "export_discover_ack(" << dirfrag;
+    if (success) 
+      o << " success)";
+    else
+      o << " failure)";
+  }
+
+  void decode_payload() override {
+    using ceph::decode;
+    auto p = payload.cbegin();
+    decode(dirfrag, p);
+    decode(success, p);
+  }
+  void encode_payload(uint64_t features) override {
+    using ceph::encode;
+    encode(dirfrag, payload);
+    encode(success, 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