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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) 2023,2024 IBM, Inc.
*
* 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 NVMEOFGWMONITORCLIENT_H_
#define NVMEOFGWMONITORCLIENT_H_
#include "auth/Auth.h"
#include "common/async/context_pool.h"
#include "common/Finisher.h"
#include "common/Timer.h"
#include "common/LogClient.h"
#include "mon/MonClient.h"
#include "osdc/Objecter.h"
#include "messages/MNVMeofGwMap.h"
#include <grpcpp/grpcpp.h>
#include <grpcpp/security/credentials.h>
class NVMeofGwMonitorClient: public Dispatcher,
public md_config_obs_t {
private:
std::string name;
std::string pool;
std::string group;
std::string gateway_address;
std::string monitor_address;
std::string server_cert;
std::string client_key;
std::string client_cert;
grpc::SslCredentialsOptions
gw_ssl_opts; // gateway grpc ssl options
epoch_t osdmap_epoch; // last awaited osdmap_epoch
epoch_t gwmap_epoch; // last received gw map epoch
std::chrono::time_point<std::chrono::steady_clock>
last_map_time; // used to panic on disconnect
// init gw ssl opts
void init_gw_ssl_opts();
// returns gateway grpc credentials
std::shared_ptr<grpc::ChannelCredentials> gw_creds();
protected:
ceph::async::io_context_pool poolctx;
MonClient monc;
std::unique_ptr<Messenger> client_messenger;
Objecter objecter;
std::map<NvmeGroupKey, NvmeGwMonClientStates> map;
ceph::mutex lock = ceph::make_mutex("NVMeofGw::lock");
// allow beacons to be sent independently of handle_nvmeof_gw_map
ceph::mutex beacon_lock = ceph::make_mutex("NVMeofGw::beacon_lock");
SafeTimer timer;
int orig_argc;
const char **orig_argv;
void send_config_beacon();
void send_beacon();
public:
NVMeofGwMonitorClient(int argc, const char **argv);
~NVMeofGwMonitorClient() override;
// Dispatcher interface
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 { return false; };
// 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 {};
int init();
void shutdown();
int main(std::vector<const char *> args);
void tick();
void disconnect_panic();
void handle_nvmeof_gw_map(ceph::ref_t<MNVMeofGwMap> m);
};
#endif
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