ceph/src/messages/MConfig.h

   1 // -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
   2 // vim: ts=8 sw=2 smarttab
   3
   4 #pragma once
   5
   6 #include "msg/Message.h"
   7
   8 class MConfig : public Message {
   9 public:
  10   static constexpr int HEAD_VERSION = 1;
  11   static constexpr int COMPAT_VERSION = 1;
  12
  13   // use transparent comparator so we can lookup in it by std::string_view keys
  14   std::map<std::string,std::string,std::less<>> config;
  15
  16   MConfig() : Message{MSG_CONFIG, HEAD_VERSION, COMPAT_VERSION} { }
  17   MConfig(const std::map<std::string,std::string,std::less<>>& c)
  18     : Message{MSG_CONFIG, HEAD_VERSION, COMPAT_VERSION},
  19       config{c} {}
  20   MConfig(std::map<std::string,std::string,std::less<>>&& c)
  21     : Message{MSG_CONFIG, HEAD_VERSION, COMPAT_VERSION},
  22       config{std::move(c)} {}
  23
  24   std::string_view get_type_name() const override {
  25     return "config";
  26   }
  27   void print(std::ostream& o) const override {
  28     o << "config(" << config.size() << " keys" << ")";
  29   }
  30
  31   void decode_payload() override {
  32     using ceph::decode;
  33     auto p = payload.cbegin();
  34     decode(config, p);
  35   }
  36
  37   void encode_payload(uint64_t) override {
  38     using ceph::encode;
  39     encode(config, payload);
  40   }
  41
  42 };