mirror of
https://github.com/ceph/ceph
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07ac5d3e74
git-svn-id: https://ceph.svn.sf.net/svnroot/ceph@1068 29311d96-e01e-0410-9327-a35deaab8ce9
75 lines
1.6 KiB
C++
75 lines
1.6 KiB
C++
// -*- 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 __MDSMONITOR_H
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#define __MDSMONITOR_H
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#include <map>
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#include <set>
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using namespace std;
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#include "include/types.h"
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#include "msg/Messenger.h"
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#include "mds/MDSMap.h"
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class Monitor;
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class MDSMonitor : public Dispatcher {
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Monitor *mon;
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Messenger *messenger;
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Mutex &lock;
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// mds maps
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public:
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MDSMap mdsmap;
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private:
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map<epoch_t, bufferlist> maps;
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//map<epoch_t, bufferlist> inc_maps;
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//MDSMap::Incremental pending_inc;
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map<msg_addr_t,entity_inst_t> awaiting_map;
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// maps
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void create_initial();
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void send_current(); // send current map to waiters.
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void send_full(msg_addr_t dest, const entity_inst_t& inst);
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void bcast_latest_mds();
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//void accept_pending(); // accept pending, new map.
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//void send_incremental(epoch_t since, msg_addr_t dest);
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void handle_mds_boot(class MMDSBoot *m);
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void handle_mds_failure(class MMDSFailure *m);
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void handle_mds_getmap(class MMDSGetMap *m);
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void handle_mds_shutdown(Message *m);
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public:
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MDSMonitor(Monitor *mn, Messenger *m, Mutex& l) : mon(mn), messenger(m), lock(l) {
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create_initial();
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}
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void dispatch(Message *m);
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void tick(); // check state, take actions
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void send_latest(msg_addr_t dest, const entity_inst_t& inst);
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};
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#endif
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