1 files changed, 71 insertions, 0 deletions
diff --git a/src/mds/events/ESession.h b/src/mds/events/ESession.h
new file mode 100644
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+++ b/src/mds/events/ESession.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_MDS_ESESSION_H
+#define CEPH_MDS_ESESSION_H
+
+#include "common/config.h"
+#include "include/types.h"
+
+#include "../LogEvent.h"
+
+class ESession : public LogEvent {
+ protected:
+  entity_inst_t client_inst;
+  bool open;    // open or close
+  version_t cmapv{0};  // client map version
+
+  interval_set<inodeno_t> inos_to_free;
+  version_t inotablev{0};
+
+  interval_set<inodeno_t> inos_to_purge;
+  
+  // Client metadata stored during open
+  client_metadata_t client_metadata;
+
+ public:
+  ESession() : LogEvent(EVENT_SESSION), open(false) { }
+  ESession(const entity_inst_t& inst, bool o, version_t v,
+	   const client_metadata_t& cm) :
+    LogEvent(EVENT_SESSION),
+    client_inst(inst), open(o), cmapv(v), inotablev(0),
+    client_metadata(cm) { }
+  ESession(const entity_inst_t& inst, bool o, version_t v,
+	   const interval_set<inodeno_t>& to_free, version_t iv,
+	   const interval_set<inodeno_t>& to_purge) :
+    LogEvent(EVENT_SESSION), client_inst(inst), open(o), cmapv(v),
+    inos_to_free(to_free), inotablev(iv), inos_to_purge(to_purge) {}
+
+  void encode(bufferlist& bl, uint64_t features) const override;
+  void decode(bufferlist::const_iterator& bl) override;
+  void dump(Formatter *f) const override;
+  static void generate_test_instances(std::list<ESession*>& ls);
+
+  void print(std::ostream& out) const override {
+    if (open)
+      out << "ESession " << client_inst << " open cmapv " << cmapv;
+    else
+      out << "ESession " << client_inst << " close cmapv " << cmapv;
+    if (inos_to_free.size() || inos_to_purge.size())
+      out << " (" << inos_to_free.size() << " to free, v" << inotablev
+	  << ", " << inos_to_purge.size() << " to purge)";
+  }
+  
+  void update_segment() override;
+  void replay(MDSRank *mds) override;
+  entity_inst_t get_client_inst() const {return client_inst;}
+};
+WRITE_CLASS_ENCODER_FEATURES(ESession)
+
+#endif