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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 <seastar/core/timer.hh>
#include "crimson/common/gated.h"
#include "crimson/net/Dispatcher.h"
#include "crimson/net/Fwd.h"
#include "mon/MgrMap.h"
template<typename Message> using Ref = boost::intrusive_ptr<Message>;
namespace crimson::net {
class Messenger;
}
class MMgrMap;
class MMgrConfigure;
namespace crimson::mgr
{
// implement WithStats if you want to report stats to mgr periodically
class WithStats {
public:
virtual seastar::future<MessageURef> get_stats() const = 0;
virtual ~WithStats() {}
};
class Client : public crimson::net::Dispatcher {
public:
Client(crimson::net::Messenger& msgr,
WithStats& with_stats);
seastar::future<> start();
seastar::future<> stop();
void report();
private:
std::optional<seastar::future<>> ms_dispatch(
crimson::net::ConnectionRef conn, Ref<Message> m) override;
void ms_handle_reset(crimson::net::ConnectionRef conn, bool is_replace) final;
void ms_handle_connect(crimson::net::ConnectionRef conn, seastar::shard_id) final;
seastar::future<> handle_mgr_map(crimson::net::ConnectionRef conn,
Ref<MMgrMap> m);
seastar::future<> handle_mgr_conf(crimson::net::ConnectionRef conn,
Ref<MMgrConfigure> m);
seastar::future<> reconnect();
void print(std::ostream&) const;
friend std::ostream& operator<<(std::ostream& out, const Client& client);
private:
MgrMap mgrmap;
crimson::net::Messenger& msgr;
WithStats& with_stats;
crimson::net::ConnectionRef conn;
seastar::timer<seastar::lowres_clock> report_timer;
crimson::common::Gated gate;
uint64_t last_config_bl_version = 0;
};
inline std::ostream& operator<<(std::ostream& out, const Client& client) {
client.print(out);
return out;
}
}
#if FMT_VERSION >= 90000
template <> struct fmt::formatter<crimson::mgr::Client> : fmt::ostream_formatter {};
#endif
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