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// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
// vim: ts=8 sw=2 smarttab
#pragma once
#include <boost/optional.hpp>
#include "ConfigMap.h"
#include "mon/PaxosService.h"
class MonSession;
class ConfigMonitor : public PaxosService
{
version_t version = 0;
ConfigMap config_map;
map<string,boost::optional<bufferlist>> pending;
string pending_description;
map<string,boost::optional<bufferlist>> pending_cleanup;
map<string,bufferlist> current;
public:
ConfigMonitor(Monitor *m, Paxos *p, const string& service_name);
void init() override;
void load_config();
void load_changeset(version_t v, ConfigChangeSet *ch);
bool preprocess_query(MonOpRequestRef op) override;
bool prepare_update(MonOpRequestRef op) override;
bool preprocess_command(MonOpRequestRef op);
bool prepare_command(MonOpRequestRef op);
void handle_get_config(MonOpRequestRef op);
void create_initial() override;
void update_from_paxos(bool *need_bootstrap) override;
void create_pending() override;
void encode_pending(MonitorDBStore::TransactionRef t) override;
version_t get_trim_to() const override;
void encode_full(MonitorDBStore::TransactionRef t) override { }
void on_active() override;
void tick() override;
bool refresh_config(MonSession *s);
bool maybe_send_config(MonSession *s);
void send_config(MonSession *s);
void check_sub(MonSession *s);
void check_sub(Subscription *sub);
void check_all_subs();
};
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