mirror of
https://github.com/ceph/ceph
synced 2025-01-05 10:42:05 +00:00
107 lines
2.2 KiB
C++
107 lines
2.2 KiB
C++
// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
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// vim: ts=8 sw=2 smarttab
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/*
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* Ceph - scalable distributed file system
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*
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* Copyright (C) 2016 John Spray <john.spray@redhat.com>
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*
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* This is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License version 2.1, as published by the Free Software
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* Foundation. See file COPYING.
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*/
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#ifndef MGR_CLIENT_H_
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#define MGR_CLIENT_H_
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#include "msg/Dispatcher.h"
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#include "mon/MgrMap.h"
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#include "msg/Connection.h"
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#include "common/perf_counters.h"
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#include "common/Timer.h"
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#include "common/CommandTable.h"
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class MMgrMap;
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class MMgrConfigure;
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class Messenger;
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class MCommandReply;
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class MPGStats;
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class MgrSessionState
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{
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public:
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// Which performance counters have we already transmitted schema for?
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std::set<std::string> declared;
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// Our connection to the mgr
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ConnectionRef con;
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};
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class MgrCommand : public CommandOp
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{
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public:
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MgrCommand(ceph_tid_t t) : CommandOp(t) {}
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MgrCommand() : CommandOp() {}
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};
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class MgrClient : public Dispatcher
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{
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protected:
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CephContext *cct;
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MgrMap map;
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Messenger *msgr;
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MgrSessionState *session;
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Mutex lock;
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uint32_t stats_period;
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SafeTimer timer;
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CommandTable<MgrCommand> command_table;
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void wait_on_list(list<Cond*>& ls);
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void signal_cond_list(list<Cond*>& ls);
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list<Cond*> waiting_for_session;
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Context *report_callback;
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// If provided, use this to compose an MPGStats to send with
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// our reports (hook for use by OSD)
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std::function<MPGStats*()> pgstats_cb;
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public:
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MgrClient(CephContext *cct_, Messenger *msgr_);
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void set_messenger(Messenger *msgr_) { msgr = msgr_; }
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void init();
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void shutdown();
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bool ms_dispatch(Message *m);
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bool ms_handle_reset(Connection *con);
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void ms_handle_remote_reset(Connection *con) {}
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bool ms_handle_refused(Connection *con);
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bool handle_mgr_map(MMgrMap *m);
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bool handle_mgr_configure(MMgrConfigure *m);
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bool handle_command_reply(MCommandReply *m);
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void send_report();
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void set_pgstats_cb(std::function<MPGStats*()> cb_)
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{
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pgstats_cb = cb_;
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}
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int start_command(const vector<string>& cmd, const bufferlist& inbl,
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bufferlist *outbl, string *outs,
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Context *onfinish);
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};
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#endif
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