Adding upstream version 18.2.2.upstream/18.2.2

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

1 files changed, 92 insertions, 0 deletions

diff --git a/src/messages/MExportDirNotify.h b/src/messages/MExportDirNotify.h
new file mode 100644
index 000000000..d6f0f4e77
--- /dev/null
+++ b/src/messages/MExportDirNotify.h
@@ -0,0 +1,92 @@
+// -*- 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_MEXPORTDIRNOTIFY_H
+#define CEPH_MEXPORTDIRNOTIFY_H
+
+#include "messages/MMDSOp.h"
+
+class MExportDirNotify final : public MMDSOp {
+private:
+  static constexpr int HEAD_VERSION = 1;
+  static constexpr int COMPAT_VERSION = 1;
+
+  dirfrag_t base;
+  bool ack;
+  std::pair<__s32,__s32> old_auth, new_auth;
+  std::list<dirfrag_t> bounds;  // bounds; these dirs are _not_ included (tho the dirfragdes are)
+
+ public:
+  dirfrag_t get_dirfrag() const { return base; }
+  std::pair<__s32,__s32> get_old_auth() const { return old_auth; }
+  std::pair<__s32,__s32> get_new_auth() const { return new_auth; }
+  bool wants_ack() const { return ack; }
+  const std::list<dirfrag_t>& get_bounds() const { return bounds; }
+  std::list<dirfrag_t>& get_bounds() { return bounds; }
+
+protected:
+  MExportDirNotify() :
+    MMDSOp{MSG_MDS_EXPORTDIRNOTIFY, HEAD_VERSION, COMPAT_VERSION} {}
+  MExportDirNotify(dirfrag_t i, uint64_t tid, bool a, std::pair<__s32,__s32> oa,
+		   std::pair<__s32,__s32> na) :
+    MMDSOp{MSG_MDS_EXPORTDIRNOTIFY, HEAD_VERSION, COMPAT_VERSION},
+    base(i), ack(a), old_auth(oa), new_auth(na) {
+    set_tid(tid);
+  }
+  ~MExportDirNotify() final {}
+
+public:
+  std::string_view get_type_name() const override { return "ExNot"; }
+  void print(std::ostream& o) const override {
+    o << "export_notify(" << base;
+    o << " " << old_auth << " -> " << new_auth;
+    if (ack) 
+      o << " ack)";
+    else
+      o << " no ack)";
+  }
+  
+  void copy_bounds(std::list<dirfrag_t>& ex) {
+    this->bounds = ex;
+  }
+  void copy_bounds(std::set<dirfrag_t>& ex) {
+    for (auto i = ex.begin(); i != ex.end(); ++i)
+      bounds.push_back(*i);
+  }
+
+  void encode_payload(uint64_t features) override {
+    using ceph::encode;
+    encode(base, payload);
+    encode(ack, payload);
+    encode(old_auth, payload);
+    encode(new_auth, payload);
+    encode(bounds, payload);
+  }
+  void decode_payload() override {
+    using ceph::decode;
+    auto p = payload.cbegin();
+    decode(base, p);
+    decode(ack, p);
+    decode(old_auth, p);
+    decode(new_auth, p);
+    decode(bounds, 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