ceph/src/messages/MMgrOpen.h

   1 // -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
   2 // vim: ts=8 sw=2 smarttab
   3 /*
   4  * Ceph - scalable distributed file system
   5  *
   6  * Copyright (C) 2016 John Spray <john.spray@redhat.com>
   7  *
   8  * This is free software; you can redistribute it and/or
   9  * modify it under the terms of the GNU Lesser General Public
  10  * License version 2.1, as published by the Free Software
  11  * Foundation.  See file COPYING.
  12  */
  13
  14
  15 #ifndef CEPH_MMGROPEN_H_
  16 #define CEPH_MMGROPEN_H_
  17
  18 #include "msg/Message.h"
  19
  20 class MMgrOpen : public Message
  21 {
  22   static const int HEAD_VERSION = 2;
  23   static const int COMPAT_VERSION = 1;
  24
  25 public:
  26
  27   std::string daemon_name;
  28   std::string service_name;  // optional; otherwise infer from entity type
  29
  30   bool service_daemon = false;
  31   std::map<std::string,std::string> daemon_metadata;
  32   std::map<std::string,std::string> daemon_status;
  33
  34   void decode_payload() override
  35   {
  36     bufferlist::iterator p = payload.begin();
  37     ::decode(daemon_name, p);
  38     if (header.version >= 2) {
  39       ::decode(service_name, p);
  40       ::decode(service_daemon, p);
  41       if (service_daemon) {
  42         ::decode(daemon_metadata, p);
  43         ::decode(daemon_status, p);
  44       }
  45     }
  46   }
  47
  48   void encode_payload(uint64_t features) override {
  49     ::encode(daemon_name, payload);
  50     ::encode(service_name, payload);
  51     ::encode(service_daemon, payload);
  52     if (service_daemon) {
  53       ::encode(daemon_metadata, payload);
  54       ::encode(daemon_status, payload);
  55     }
  56   }
  57
  58   const char *get_type_name() const override { return "mgropen"; }
  59   void print(ostream& out) const override {
  60     out << get_type_name() << "(";
  61     if (service_name.length()) {
  62       out << service_name;
  63     } else {
  64       out << ceph_entity_type_name(get_source().type());
  65     }
  66     out << "." << daemon_name;
  67     if (service_daemon) {
  68       out << " daemon";
  69     }
  70     out << ")";
  71   }
  72
  73   MMgrOpen()
  74     : Message(MSG_MGR_OPEN, HEAD_VERSION, COMPAT_VERSION)
  75   {}
  76 };
  77
  78 #endif
  79