mirror of
https://github.com/ceph/ceph
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70 lines
1.6 KiB
C
70 lines
1.6 KiB
C
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// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
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/*
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* Ceph - scalable distributed file system
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*
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* Copyright (C) 2004-2006 Sage Weil <sage@newdream.net>
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*
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* This is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License version 2.1, as published by the Free Software
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* Foundation. See file COPYING.
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*
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*/
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#ifndef __MOSDGETMAPACK_H
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#define __MOSDGETMAPACK_H
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#include "msg/Message.h"
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#include "osd/OSDMap.h"
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class MOSDMap : public Message {
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public:
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map<epoch_t, bufferlist> maps;
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map<epoch_t, bufferlist> incremental_maps;
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epoch_t get_first() {
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epoch_t e = 0;
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map<epoch_t, bufferlist>::iterator i = maps.begin();
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if (i != maps.end()) e = i->first;
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i = incremental_maps.begin();
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if (i != incremental_maps.end() &&
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(e == 0 || i->first < e)) e = i->first;
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return e;
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}
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epoch_t get_last() {
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epoch_t e = 0;
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map<epoch_t, bufferlist>::reverse_iterator i = maps.rbegin();
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if (i != maps.rend()) e = i->first;
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i = incremental_maps.rbegin();
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if (i != incremental_maps.rend() &&
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(e == 0 || i->first > e)) e = i->first;
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return e;
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}
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MOSDMap() :
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Message(MSG_OSD_MAP) {}
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MOSDMap(OSDMap *oc) :
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Message(MSG_OSD_MAP) {
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oc->encode(maps[oc->get_epoch()]);
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}
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// marshalling
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virtual void decode_payload() {
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int off = 0;
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::_decode(maps, payload, off);
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::_decode(incremental_maps, payload, off);
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}
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virtual void encode_payload() {
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::_encode(maps, payload);
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::_encode(incremental_maps, payload);
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}
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virtual char *get_type_name() { return "omap"; }
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};
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#endif
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