ceph/src/mon/ConfigKeyService.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) 2013 Inktank, Inc
   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 #ifndef CEPH_MON_CONFIG_KEY_SERVICE_H
  15 #define CEPH_MON_CONFIG_KEY_SERVICE_H
  16
  17 #include "mon/QuorumService.h"
  18 #include "mon/MonitorDBStore.h"
  19
  20 class Paxos;
  21 class Monitor;
  22
  23 class ConfigKeyService : public QuorumService
  24 {
  25   Paxos *paxos;
  26
  27   int store_get(const string &key, bufferlist &bl);
  28   void store_put(const string &key, bufferlist &bl, Context *cb = NULL);
  29   void store_delete(MonitorDBStore::TransactionRef t, const string &key);
  30   void store_delete(const string &key, Context *cb = NULL);
  31   void store_delete_prefix(
  32       MonitorDBStore::TransactionRef t,
  33       const string &prefix);
  34   void store_list(stringstream &ss);
  35   void store_dump(stringstream &ss, const string& prefix);
  36   bool store_exists(const string &key);
  37   bool store_has_prefix(const string &prefix);
  38
  39   static const string STORE_PREFIX;
  40
  41 protected:
  42   void service_shutdown() override { }
  43
  44 public:
  45   ConfigKeyService(Monitor *m, Paxos *p) :
  46     QuorumService(m),
  47     paxos(p)
  48   { }
  49   ~ConfigKeyService() override { }
  50
  51
  52   /**
  53    * @defgroup ConfigKeyService_Inherited_h Inherited abstract methods
  54    * @{
  55    */
  56   void init() override { }
  57   bool service_dispatch(MonOpRequestRef op) override;
  58
  59   void start_epoch() override { }
  60   void finish_epoch() override { }
  61   void cleanup() override { }
  62   void service_tick() override { }
  63
  64   int validate_osd_destroy(const int32_t id, const uuid_d& uuid);
  65   void do_osd_destroy(int32_t id, uuid_d& uuid);
  66   int validate_osd_new(
  67       const uuid_d& uuid,
  68       const string& dmcrypt_key,
  69       stringstream& ss);
  70   void do_osd_new(const uuid_d& uuid, const string& dmcrypt_key);
  71
  72   int get_type() override {
  73     return QuorumService::SERVICE_CONFIG_KEY;
  74   }
  75
  76   string get_name() const override {
  77     return "config_key";
  78   }
  79   void get_store_prefixes(set<string>& s) const;
  80   /**
  81    * @} // ConfigKeyService_Inherited_h
  82    */
  83 };
  84
  85 #endif // CEPH_MON_CONFIG_KEY_SERVICE_H