import 15.2.0 Octopus source

[ceph.git] / ceph / src / messages / MConfig.h

// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
// vim: ts=8 sw=2 smarttab

#pragma once

#include "msg/Message.h"

class MConfig : public Message {
public:
  static constexpr int HEAD_VERSION = 1;
  static constexpr int COMPAT_VERSION = 1;

  // use transparent comparator so we can lookup in it by std::string_view keys
  std::map<std::string,std::string,std::less<>> config;

  MConfig() : Message{MSG_CONFIG, HEAD_VERSION, COMPAT_VERSION} { }
  MConfig(const std::map<std::string,std::string,std::less<>>& c)
    : Message{MSG_CONFIG, HEAD_VERSION, COMPAT_VERSION},
      config{c} {}
  MConfig(std::map<std::string,std::string,std::less<>>&& c)
    : Message{MSG_CONFIG, HEAD_VERSION, COMPAT_VERSION},
      config{std::move(c)} {}

  std::string_view get_type_name() const override {
    return "config";
  }
  void print(std::ostream& o) const override {
    o << "config(" << config.size() << " keys" << ")";
  }

  void decode_payload() override {
    using ceph::decode;
    auto p = payload.cbegin();
    decode(config, p);
  }

  void encode_payload(uint64_t) override {
    using ceph::encode;
    encode(config, payload);
  }

};