initial code repo

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

diff --git a/src/ceph/src/mds/events/ESession.h b/src/ceph/src/mds/events/ESession.h
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+++ b/src/ceph/src/mds/events/ESession.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_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;
+  version_t inotablev{0};
+
+  // Client metadata stored during open
+  std::map<std::string, std::string> client_metadata;
+
+ public:
+  ESession() : LogEvent(EVENT_SESSION), open(false) { }
+  ESession(const entity_inst_t& inst, bool o, version_t v,
+      const std::map<std::string, std::string> &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>& i, version_t iv) :
+    LogEvent(EVENT_SESSION),
+    client_inst(inst),
+    open(o),
+    cmapv(v),
+    inos(i), inotablev(iv) { }
+
+  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<ESession*>& ls);
+
+  void print(ostream& out) const override {
+    if (open)
+      out << "ESession " << client_inst << " open cmapv " << cmapv;
+    else
+      out << "ESession " << client_inst << " close cmapv " << cmapv;
+    if (inos.size())
+      out << " (" << inos.size() << " inos, v" << inotablev << ")";
+  }
+  
+  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