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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:
map<client_t,entity_inst_t> client_map;
map<client_t,client_metadata_t> client_metadata_map;
ESessions() : LogEvent(EVENT_SESSIONS), cmapv(0), old_style_encode(false) { }
ESessions(version_t pv, map<client_t,entity_inst_t>&& cm,
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(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
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