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-rw-r--r--src/mds/events/ESessions.h61
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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_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
+ bool old_style_encode;
+
+public:
+ std::map<client_t,entity_inst_t> client_map;
+ std::map<client_t,client_metadata_t> client_metadata_map;
+
+ ESessions() : LogEvent(EVENT_SESSIONS), cmapv(0), old_style_encode(false) { }
+ ESessions(version_t pv, std::map<client_t,entity_inst_t>&& cm,
+ std::map<client_t,client_metadata_t>&& cmm) :
+ LogEvent(EVENT_SESSIONS),
+ cmapv(pv), old_style_encode(false),
+ client_map(std::move(cm)),
+ client_metadata_map(std::move(cmm)) {}
+
+ void mark_old_encoding() { old_style_encode = true; }
+
+ void encode(bufferlist &bl, uint64_t features) const override;
+ void decode_old(bufferlist::const_iterator &bl);
+ void decode_new(bufferlist::const_iterator &bl);
+ void decode(bufferlist::const_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(std::list<ESessions*>& ls);
+
+ void print(std::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