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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 DAEMON_SERVER_H_
+#define DAEMON_SERVER_H_
+
+#include "PyModuleRegistry.h"
+
+#include <set>
+#include <string>
+
+#include "common/Mutex.h"
+#include "common/LogClient.h"
+#include "common/Timer.h"
+
+#include <msg/Messenger.h>
+#include <mon/MonClient.h>
+
+#include "ServiceMap.h"
+#include "MgrSession.h"
+#include "DaemonState.h"
+#include "OSDPerfMetricCollector.h"
+
+class MMgrReport;
+class MMgrOpen;
+class MMgrClose;
+class MMonMgrReport;
+class MCommand;
+struct MonCommand;
+class CommandContext;
+struct OSDPerfMetricQuery;
+
+
+/**
+ * Server used in ceph-mgr to communicate with Ceph daemons like
+ * MDSs and OSDs.
+ */
+class DaemonServer : public Dispatcher, public md_config_obs_t
+{
+protected:
+ boost::scoped_ptr<Throttle> client_byte_throttler;
+ boost::scoped_ptr<Throttle> client_msg_throttler;
+ boost::scoped_ptr<Throttle> osd_byte_throttler;
+ boost::scoped_ptr<Throttle> osd_msg_throttler;
+ boost::scoped_ptr<Throttle> mds_byte_throttler;
+ boost::scoped_ptr<Throttle> mds_msg_throttler;
+ boost::scoped_ptr<Throttle> mon_byte_throttler;
+ boost::scoped_ptr<Throttle> mon_msg_throttler;
+
+ Messenger *msgr;
+ MonClient *monc;
+ Finisher &finisher;
+ DaemonStateIndex &daemon_state;
+ ClusterState &cluster_state;
+ PyModuleRegistry &py_modules;
+ LogChannelRef clog, audit_clog;
+
+ // Connections for daemons, and clients with service names set
+ // (i.e. those MgrClients that are allowed to send MMgrReports)
+ std::set<ConnectionRef> daemon_connections;
+
+ /// connections for osds
+ ceph::unordered_map<int,set<ConnectionRef>> osd_cons;
+
+ ServiceMap pending_service_map; // uncommitted
+
+ epoch_t pending_service_map_dirty = 0;
+
+ Mutex lock;
+
+ static void _generate_command_map(cmdmap_t& cmdmap,
+ map<string,string> &param_str_map);
+ static const MonCommand *_get_mgrcommand(const string &cmd_prefix,
+ const std::vector<MonCommand> &commands);
+ bool _allowed_command(
+ MgrSession *s, const string &service, const string &module,
+ const string &prefix, const cmdmap_t& cmdmap,
+ const map<string,string>& param_str_map,
+ const MonCommand *this_cmd);
+
+private:
+ friend class ReplyOnFinish;
+ bool _reply(MCommand* m,
+ int ret, const std::string& s, const bufferlist& payload);
+
+ void _prune_pending_service_map();
+
+ utime_t started_at;
+ std::atomic<bool> pgmap_ready;
+ std::set<int32_t> reported_osds;
+ void maybe_ready(int32_t osd_id);
+
+ SafeTimer timer;
+ bool shutting_down;
+ Context *tick_event;
+ void tick();
+ void schedule_tick_locked(double delay_sec);
+
+ class OSDPerfMetricCollectorListener :
+ public OSDPerfMetricCollector::Listener {
+ public:
+ OSDPerfMetricCollectorListener(DaemonServer *server)
+ : server(server) {
+ }
+ void handle_query_updated() override {
+ server->handle_osd_perf_metric_query_updated();
+ }
+ private:
+ DaemonServer *server;
+ };
+ OSDPerfMetricCollectorListener osd_perf_metric_collector_listener;
+ OSDPerfMetricCollector osd_perf_metric_collector;
+ void handle_osd_perf_metric_query_updated();
+
+ void update_task_status(DaemonKey key, MMgrReport *m);
+
+public:
+ int init(uint64_t gid, entity_addrvec_t client_addrs);
+ void shutdown();
+
+ entity_addrvec_t get_myaddrs() const;
+
+ DaemonServer(MonClient *monc_,
+ Finisher &finisher_,
+ DaemonStateIndex &daemon_state_,
+ ClusterState &cluster_state_,
+ PyModuleRegistry &py_modules_,
+ LogChannelRef cl,
+ LogChannelRef auditcl);
+ ~DaemonServer() override;
+
+ bool ms_dispatch(Message *m) override;
+ int ms_handle_authentication(Connection *con) override;
+ bool ms_handle_reset(Connection *con) override;
+ void ms_handle_remote_reset(Connection *con) override {}
+ bool ms_handle_refused(Connection *con) override;
+ bool ms_get_authorizer(int dest_type, AuthAuthorizer **authorizer) override;
+ KeyStore *ms_get_auth1_authorizer_keystore() override;
+
+ bool handle_open(MMgrOpen *m);
+ bool handle_close(MMgrClose *m);
+ bool handle_report(MMgrReport *m);
+ bool handle_command(MCommand *m);
+ bool _handle_command(MCommand *m, std::shared_ptr<CommandContext>& cmdctx);
+ void send_report();
+ void got_service_map();
+ void got_mgr_map();
+ void adjust_pgs();
+
+ void _send_configure(ConnectionRef c);
+
+ OSDPerfMetricQueryID add_osd_perf_query(
+ const OSDPerfMetricQuery &query,
+ const std::optional<OSDPerfMetricLimit> &limit);
+ int remove_osd_perf_query(OSDPerfMetricQueryID query_id);
+ int get_osd_perf_counters(OSDPerfMetricQueryID query_id,
+ std::map<OSDPerfMetricKey, PerformanceCounters> *c);
+
+ virtual const char** get_tracked_conf_keys() const override;
+ virtual void handle_conf_change(const ConfigProxy& conf,
+ const std::set <std::string> &changed) override;
+
+ void schedule_tick(double delay_sec);
+
+ void log_access_denied(std::shared_ptr<CommandContext>& cmdctx,
+ MgrSession* session, std::stringstream& ss);
+ void dump_pg_ready(ceph::Formatter *f);
+};
+
+#endif
+