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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) 2016 John Spray <john.spray@redhat.com>
*
* 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_MMGRREPORT_H_
#define CEPH_MMGRREPORT_H_
#include <boost/optional.hpp>
#include "msg/Message.h"
#include "mgr/MetricTypes.h"
#include "mgr/OSDPerfMetricTypes.h"
#include "common/perf_counters.h"
#include "include/common_fwd.h"
#include "mgr/DaemonHealthMetric.h"
class PerfCounterType
{
public:
std::string path;
std::string description;
std::string nick;
enum perfcounter_type_d type;
// For older clients that did not send priority, pretend everything
// is "useful" so that mgr plugins filtering on prio will get some
// data (albeit probably more than they wanted)
uint8_t priority = PerfCountersBuilder::PRIO_USEFUL;
enum unit_t unit;
void encode(ceph::buffer::list &bl) const
{
// TODO: decide whether to drop the per-type
// encoding here, we could rely on the MgrReport
// verisoning instead.
ENCODE_START(3, 1, bl);
encode(path, bl);
encode(description, bl);
encode(nick, bl);
static_assert(sizeof(type) == 1, "perfcounter_type_d must be one byte");
encode((uint8_t)type, bl);
encode(priority, bl);
encode((uint8_t)unit, bl);
ENCODE_FINISH(bl);
}
void decode(ceph::buffer::list::const_iterator &p)
{
DECODE_START(3, p);
decode(path, p);
decode(description, p);
decode(nick, p);
uint8_t raw_type;
decode(raw_type, p);
type = (enum perfcounter_type_d)raw_type;
if (struct_v >= 2) {
decode(priority, p);
}
if (struct_v >= 3) {
uint8_t raw_unit;
decode(raw_unit, p);
unit = (enum unit_t)raw_unit;
}
DECODE_FINISH(p);
}
};
WRITE_CLASS_ENCODER(PerfCounterType)
class MMgrReport : public Message {
private:
static constexpr int HEAD_VERSION = 9;
static constexpr int COMPAT_VERSION = 1;
public:
/**
* Client is responsible for remembering whether it has introduced
* each perf counter to the server. When first sending a particular
* counter, it must inline the counter's schema here.
*/
std::vector<PerfCounterType> declare_types;
std::vector<std::string> undeclare_types;
// For all counters present, sorted by idx, output
// as many bytes as are needed to represent them
// Decode: iterate over the types we know about, sorted by idx,
// and use the current type's type to decide how to decode
// the next bytes from the ceph::buffer::list.
ceph::buffer::list packed;
std::string daemon_name;
std::string service_name; // optional; otherwise infer from entity type
// for service registration
boost::optional<std::map<std::string,std::string>> daemon_status;
boost::optional<std::map<std::string,std::string>> task_status;
std::vector<DaemonHealthMetric> daemon_health_metrics;
// encode map<string,map<int32_t,string>> of current config
ceph::buffer::list config_bl;
std::map<OSDPerfMetricQuery, OSDPerfMetricReport> osd_perf_metric_reports;
boost::optional<MetricReportMessage> metric_report_message;
void decode_payload() override
{
using ceph::decode;
auto p = payload.cbegin();
decode(daemon_name, p);
decode(declare_types, p);
decode(packed, p);
if (header.version >= 2)
decode(undeclare_types, p);
if (header.version >= 3) {
decode(service_name, p);
decode(daemon_status, p);
}
if (header.version >= 5) {
decode(daemon_health_metrics, p);
}
if (header.version >= 6) {
decode(config_bl, p);
}
if (header.version >= 7) {
decode(osd_perf_metric_reports, p);
}
if (header.version >= 8) {
decode(task_status, p);
}
if (header.version >= 9) {
decode(metric_report_message, p);
}
}
void encode_payload(uint64_t features) override {
using ceph::encode;
encode(daemon_name, payload);
encode(declare_types, payload);
encode(packed, payload);
encode(undeclare_types, payload);
encode(service_name, payload);
encode(daemon_status, payload);
encode(daemon_health_metrics, payload);
encode(config_bl, payload);
encode(osd_perf_metric_reports, payload);
encode(task_status, payload);
if (metric_report_message && metric_report_message->should_encode(features)) {
encode(metric_report_message, payload);
} else {
boost::optional<MetricReportMessage> empty;
encode(empty, payload);
}
}
std::string_view get_type_name() const override { return "mgrreport"; }
void print(std::ostream& out) const override {
out << get_type_name() << "(";
if (service_name.length()) {
out << service_name;
} else {
out << ceph_entity_type_name(get_source().type());
}
out << "." << daemon_name
<< " +" << declare_types.size()
<< "-" << undeclare_types.size()
<< " packed " << packed.length();
if (daemon_status) {
out << " status=" << daemon_status->size();
}
if (!daemon_health_metrics.empty()) {
out << " daemon_metrics=" << daemon_health_metrics.size();
}
if (task_status) {
out << " task_status=" << task_status->size();
}
out << ")";
}
private:
MMgrReport()
: Message{MSG_MGR_REPORT, HEAD_VERSION, COMPAT_VERSION}
{}
using RefCountedObject::put;
using RefCountedObject::get;
template<class T, typename... Args>
friend boost::intrusive_ptr<T> ceph::make_message(Args&&... args);
};
#endif
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