1 files changed, 66 insertions, 0 deletions
diff --git a/src/messages/MExportCaps.h b/src/messages/MExportCaps.h
new file mode 100644
index 000000000..86c795403
--- /dev/null
+++ b/src/messages/MExportCaps.h
@@ -0,0 +1,66 @@
+// -*- 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_MEXPORTCAPS_H
+#define CEPH_MEXPORTCAPS_H
+
+#include "messages/MMDSOp.h"
+
+class MExportCaps final : public MMDSOp {
+private:
+  static constexpr int HEAD_VERSION = 2;
+  static constexpr int COMPAT_VERSION = 1;
+
+public:  
+  inodeno_t ino;
+  ceph::buffer::list cap_bl;
+  std::map<client_t,entity_inst_t> client_map;
+  std::map<client_t,client_metadata_t> client_metadata_map;
+
+protected:
+  MExportCaps() :
+    MMDSOp{MSG_MDS_EXPORTCAPS, HEAD_VERSION, COMPAT_VERSION} {}
+  ~MExportCaps() final {}
+
+public:
+  std::string_view get_type_name() const override { return "export_caps"; }
+  void print(std::ostream& o) const override {
+    o << "export_caps(" << ino << ")";
+  }
+
+  void encode_payload(uint64_t features) override {
+    using ceph::encode;
+    encode(ino, payload);
+    encode(cap_bl, payload);
+    encode(client_map, payload, features);
+    encode(client_metadata_map, payload);
+  }
+  void decode_payload() override {
+    using ceph::decode;
+    auto p = payload.cbegin();
+    decode(ino, p);
+    decode(cap_bl, p);
+    decode(client_map, p);
+    if (header.version >= 2)
+      decode(client_metadata_map, p);
+  }
+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