initial code repo

[stor4nfv.git] / src / ceph / src / mds / events / ESubtreeMap.h

diff --git a/src/ceph/src/mds/events/ESubtreeMap.h b/src/ceph/src/mds/events/ESubtreeMap.h
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+++ b/src/ceph/src/mds/events/ESubtreeMap.h
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+// -*- 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_MDS_ESUBTREEMAP_H
+#define CEPH_MDS_ESUBTREEMAP_H
+
+#include "../LogEvent.h"
+#include "EMetaBlob.h"
+
+class ESubtreeMap : public LogEvent {
+public:
+  EMetaBlob metablob;
+  map<dirfrag_t, vector<dirfrag_t> > subtrees;
+  set<dirfrag_t> ambiguous_subtrees;
+  uint64_t expire_pos;
+  uint64_t event_seq;
+
+  ESubtreeMap() : LogEvent(EVENT_SUBTREEMAP), expire_pos(0), event_seq(0) { }
+  
+  void print(ostream& out) const override {
+    out << "ESubtreeMap " << subtrees.size() << " subtrees " 
+       << ", " << ambiguous_subtrees.size() << " ambiguous "
+       << metablob;
+  }
+
+  EMetaBlob *get_metablob() override { return &metablob; }
+
+  void encode(bufferlist& bl, uint64_t features) const override;
+  void decode(bufferlist::iterator& bl) override;
+  void dump(Formatter *f) const override;
+  static void generate_test_instances(list<ESubtreeMap*>& ls);
+
+  void replay(MDSRank *mds) override;
+};
+WRITE_CLASS_ENCODER_FEATURES(ESubtreeMap)
+
+#endif