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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_MOSDPING_H
#define CEPH_MOSDPING_H
#include "common/Clock.h"
#include "msg/Message.h"
#include "osd/osd_types.h"
class MOSDPing : public Message {
public:
enum {
HEARTBEAT = 0,
START_HEARTBEAT = 1,
YOU_DIED = 2,
STOP_HEARTBEAT = 3,
};
const char *get_op_name(int op) {
switch (op) {
case HEARTBEAT: return "heartbeat";
case START_HEARTBEAT: return "start_heartbeat";
case STOP_HEARTBEAT: return "stop_heartbeat";
case YOU_DIED: return "you_died";
default: return "???";
}
}
uuid_d fsid;
epoch_t map_epoch, peer_as_of_epoch;
__u8 op;
osd_peer_stat_t peer_stat;
MOSDPing(const uuid_d& f, epoch_t e, epoch_t pe, __u8 o) :
Message(MSG_OSD_PING), fsid(f), map_epoch(e), peer_as_of_epoch(pe), op(o) { }
MOSDPing(const uuid_d& f, epoch_t e, epoch_t pe, osd_peer_stat_t& ps, __u8 o=HEARTBEAT) :
Message(MSG_OSD_PING), fsid(f), map_epoch(e), peer_as_of_epoch(pe), op(o), peer_stat(ps) { }
MOSDPing() {}
private:
~MOSDPing() {}
public:
void decode_payload() {
bufferlist::iterator p = payload.begin();
::decode(fsid, p);
::decode(map_epoch, p);
::decode(peer_as_of_epoch, p);
::decode(op, p);
::decode(peer_stat, p);
}
void encode_payload(uint64_t features) {
::encode(fsid, payload);
::encode(map_epoch, payload);
::encode(peer_as_of_epoch, payload);
::encode(op, payload);
::encode(peer_stat, payload);
}
const char *get_type_name() { return "osd_ping"; }
void print(ostream& out) {
out << "osd_ping(" << get_op_name(op) << " e" << map_epoch << " as_of " << peer_as_of_epoch << ")";
}
};
#endif
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