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// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
// vim: ts=8 sw=2 smarttab
#ifndef CEPH_MDS_METRIC_AGGREGATOR_H
#define CEPH_MDS_METRIC_AGGREGATOR_H
#include <map>
#include <set>
#include <thread>
#include "msg/msg_types.h"
#include "msg/Dispatcher.h"
#include "common/ceph_mutex.h"
#include "common/perf_counters.h"
#include "include/common_fwd.h"
#include "messages/MMDSMetrics.h"
#include "mgr/MetricTypes.h"
#include "mgr/MDSPerfMetricTypes.h"
#include "mdstypes.h"
#include "MDSMap.h"
#include "MDSPinger.h"
class MDSRank;
class MgrClient;
class MetricAggregator : public Dispatcher {
public:
MetricAggregator(CephContext *cct, MDSRank *mds, MgrClient *mgrc);
int init();
void shutdown();
void notify_mdsmap(const MDSMap &mdsmap);
bool ms_can_fast_dispatch_any() const override {
return true;
}
bool ms_can_fast_dispatch2(const cref_t<Message> &m) const override;
void ms_fast_dispatch2(const ref_t<Message> &m) override;
bool ms_dispatch2(const ref_t<Message> &m) override;
void ms_handle_connect(Connection *c) override {
}
bool ms_handle_reset(Connection *c) override {
return false;
}
void ms_handle_remote_reset(Connection *c) override {
}
bool ms_handle_refused(Connection *c) override {
return false;
}
private:
// drop this lock when calling ->send_message_mds() else mds might
// deadlock
ceph::mutex lock = ceph::make_mutex("MetricAggregator::lock");
CephContext *m_cct;
MDSRank *mds;
MgrClient *mgrc;
// maintain a map of rank to list of clients so that when a rank
// goes away we cull metrics of clients connected to that rank.
std::map<mds_rank_t, std::unordered_set<entity_inst_t>> clients_by_rank;
// user query to metrics map
std::map<MDSPerfMetricQuery, std::map<MDSPerfMetricKey, PerformanceCounters>> query_metrics_map;
MDSPinger mds_pinger;
std::thread pinger;
std::map<mds_rank_t, entity_addrvec_t> active_rank_addrs;
bool stopping = false;
PerfCounters *m_perf_counters;
std::map<std::pair<entity_inst_t, mds_rank_t>, PerfCounters*> client_perf_counters;
void handle_mds_metrics(const cref_t<MMDSMetrics> &m);
void refresh_metrics_for_rank(const entity_inst_t &client, mds_rank_t rank,
const Metrics &metrics);
void remove_metrics_for_rank(const entity_inst_t &client, mds_rank_t rank, bool remove);
void cull_metrics_for_rank(mds_rank_t rank);
void ping_all_active_ranks();
void set_perf_queries(const ConfigPayload &config_payload);
MetricPayload get_perf_reports();
};
#endif // CEPH_MDS_METRIC_AGGREGATOR_H
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