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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) 2012 Inktank, Inc.
*
* 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_MTIMECHECK_H
#define CEPH_MTIMECHECK_H
class MTimeCheck final : public Message {
public:
static constexpr int HEAD_VERSION = 1;
enum {
OP_PING = 1,
OP_PONG = 2,
OP_REPORT = 3,
};
int op = 0;
version_t epoch = 0;
version_t round = 0;
utime_t timestamp;
map<entity_inst_t, double> skews;
map<entity_inst_t, double> latencies;
MTimeCheck() : Message{MSG_TIMECHECK, HEAD_VERSION} {}
MTimeCheck(int op) :
Message{MSG_TIMECHECK, HEAD_VERSION},
op(op)
{}
private:
~MTimeCheck() final {}
public:
std::string_view get_type_name() const override { return "time_check"; }
const char *get_op_name() const {
switch (op) {
case OP_PING: return "ping";
case OP_PONG: return "pong";
case OP_REPORT: return "report";
}
return "???";
}
void print(std::ostream &o) const override {
o << "time_check( " << get_op_name()
<< " e " << epoch << " r " << round;
if (op == OP_PONG) {
o << " ts " << timestamp;
} else if (op == OP_REPORT) {
o << " #skews " << skews.size()
<< " #latencies " << latencies.size();
}
o << " )";
}
void decode_payload() override {
using ceph::decode;
auto p = payload.cbegin();
decode(op, p);
decode(epoch, p);
decode(round, p);
decode(timestamp, p);
decode(skews, p);
decode(latencies, p);
}
void encode_payload(uint64_t features) override {
using ceph::encode;
encode(op, payload);
encode(epoch, payload);
encode(round, payload);
encode(timestamp, payload);
encode(skews, payload, features);
encode(latencies, payload, features);
}
private:
template<class T, typename... Args>
friend boost::intrusive_ptr<T> ceph::make_message(Args&&... args);
};
#endif /* CEPH_MTIMECHECK_H */
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