initial code repo

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

diff --git a/src/ceph/src/mds/events/ESessions.h b/src/ceph/src/mds/events/ESessions.h
new file mode 100644 (file)
index 0000000..f784d63
--- /dev/null
+++ b/src/ceph/src/mds/events/ESessions.h
@@ -0,0 +1,60 @@
+// -*- 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_ESESSIONS_H
+#define CEPH_MDS_ESESSIONS_H
+
+#include "common/config.h"
+#include "include/types.h"
+
+#include "../LogEvent.h"
+
+class ESessions : public LogEvent {
+protected:
+  version_t cmapv;  // client map version
+
+public:
+  map<client_t,entity_inst_t> client_map;
+  bool old_style_encode;
+
+  ESessions() : LogEvent(EVENT_SESSIONS), cmapv(0), old_style_encode(false) { }
+  ESessions(version_t pv, map<client_t,entity_inst_t>& cm) :
+    LogEvent(EVENT_SESSIONS),
+    cmapv(pv),
+    old_style_encode(false) {
+    client_map.swap(cm);
+  }
+
+  void mark_old_encoding() { old_style_encode = true; }
+
+  void encode(bufferlist &bl, uint64_t features) const override;
+  void decode_old(bufferlist::iterator &bl);
+  void decode_new(bufferlist::iterator &bl);
+  void decode(bufferlist::iterator &bl) override {
+    if (old_style_encode) decode_old(bl);
+    else decode_new(bl);
+  }
+  void dump(Formatter *f) const override;
+  static void generate_test_instances(list<ESessions*>& ls);
+
+  void print(ostream& out) const override {
+    out << "ESessions " << client_map.size() << " opens cmapv " << cmapv;
+  }
+  
+  void update_segment() override;
+  void replay(MDSRank *mds) override;  
+};
+WRITE_CLASS_ENCODER_FEATURES(ESessions)
+
+#endif