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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 MGR_STANDBY_H_
#define MGR_STANDBY_H_
#include "auth/Auth.h"
#include "common/async/context_pool.h"
#include "common/Finisher.h"
#include "common/Timer.h"
#include "common/LogClient.h"
#include "client/Client.h"
#include "mon/MonClient.h"
#include "osdc/Objecter.h"
#include "PyModuleRegistry.h"
#include "MgrClient.h"
class MMgrMap;
class Mgr;
class PyModuleConfig;
class MgrStandby : public Dispatcher,
public md_config_obs_t {
public:
// config observer bits
const char** get_tracked_conf_keys() const override;
void handle_conf_change(const ConfigProxy& conf,
const std::set <std::string> &changed) override;
protected:
ceph::async::io_context_pool poolctx;
MonClient monc;
std::unique_ptr<Messenger> client_messenger;
Objecter objecter;
Client client;
MgrClient mgrc;
LogClient log_client;
LogChannelRef clog, audit_clog;
ceph::mutex lock = ceph::make_mutex("MgrStandby::lock");
Finisher finisher;
SafeTimer timer;
PyModuleRegistry py_module_registry;
std::shared_ptr<Mgr> active_mgr;
int orig_argc;
const char **orig_argv;
std::string state_str();
void handle_mgr_map(ceph::ref_t<MMgrMap> m);
void _update_log_config();
void send_beacon();
bool available_in_map;
public:
MgrStandby(int argc, const char **argv);
~MgrStandby() override;
bool ms_dispatch2(const ceph::ref_t<Message>& m) override;
bool ms_handle_reset(Connection *con) override { return false; }
void ms_handle_remote_reset(Connection *con) override {}
bool ms_handle_refused(Connection *con) override;
int init();
void shutdown();
void respawn();
int main(vector<const char *> args);
void tick();
};
#endif
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