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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_MOSDBOOT_H
#define CEPH_MOSDBOOT_H
#include "messages/PaxosServiceMessage.h"
#include "include/types.h"
#include "osd/osd_types.h"
class MOSDBoot : public PaxosServiceMessage {
static const int HEAD_VERSION = 4;
static const int COMPAT_VERSION = 2;
public:
OSDSuperblock sb;
entity_addr_t hb_back_addr, hb_front_addr;
entity_addr_t cluster_addr;
epoch_t boot_epoch; // last epoch this daemon was added to the map (if any)
MOSDBoot()
: PaxosServiceMessage(MSG_OSD_BOOT, 0, HEAD_VERSION, COMPAT_VERSION),
boot_epoch(0)
{ }
MOSDBoot(OSDSuperblock& s, epoch_t be,
const entity_addr_t& hb_back_addr_ref,
const entity_addr_t& hb_front_addr_ref,
const entity_addr_t& cluster_addr_ref)
: PaxosServiceMessage(MSG_OSD_BOOT, s.current_epoch, HEAD_VERSION, COMPAT_VERSION),
sb(s),
hb_back_addr(hb_back_addr_ref),
hb_front_addr(hb_front_addr_ref),
cluster_addr(cluster_addr_ref),
boot_epoch(be)
{ }
private:
~MOSDBoot() { }
public:
const char *get_type_name() const { return "osd_boot"; }
void print(ostream& out) const {
out << "osd_boot(osd." << sb.whoami << " booted " << boot_epoch << " v" << version << ")";
}
void encode_payload(uint64_t features) {
paxos_encode();
::encode(sb, payload);
::encode(hb_back_addr, payload);
::encode(cluster_addr, payload);
::encode(boot_epoch, payload);
::encode(hb_front_addr, payload);
}
void decode_payload() {
bufferlist::iterator p = payload.begin();
paxos_decode(p);
::decode(sb, p);
::decode(hb_back_addr, p);
if (header.version >= 2)
::decode(cluster_addr, p);
if (header.version >= 3)
::decode(boot_epoch, p);
if (header.version >= 4)
::decode(hb_front_addr, p);
}
};
#endif
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