src/redis/asyncdatabasediscovery.cpp

   1 /*
   2    Copyright (c) 2018-2019 Nokia.
   3
   4    Licensed under the Apache License, Version 2.0 (the "License");
   5    you may not use this file except in compliance with the License.
   6    You may obtain a copy of the License at
   7
   8        http://www.apache.org/licenses/LICENSE-2.0
   9
  10    Unless required by applicable law or agreed to in writing, software
  11    distributed under the License is distributed on an "AS IS" BASIS,
  12    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13    See the License for the specific language governing permissions and
  14    limitations under the License.
  15 */
  16
  17 #include <cstdlib>
  18 #include "config.h"
  19 #include "private/abort.hpp"
  20 #include "private/databaseconfiguration.hpp"
  21 #include "private/logger.hpp"
  22 #include "private/redis/asyncdatabasediscovery.hpp"
  23 #if HAVE_HIREDIS
  24 #include "private/redis/asynchiredisdatabasediscovery.hpp"
  25 #endif
  26 #include "private/redis/asyncsentineldatabasediscovery.hpp"
  27
  28 using namespace shareddatalayer::redis;
  29
  30 std::shared_ptr<AsyncDatabaseDiscovery> AsyncDatabaseDiscovery::create(std::shared_ptr<Engine> engine,
  31                                                                        const boost::optional<Namespace>& ns,
  32                                                                        const DatabaseConfiguration& staticDatabaseConfiguration,
  33                                                                        std::shared_ptr<Logger> logger)
  34 {
  35     auto staticAddresses(staticDatabaseConfiguration.getServerAddresses());
  36
  37     if (staticAddresses.empty())
  38         staticAddresses = staticDatabaseConfiguration.getDefaultServerAddresses();
  39
  40     auto staticDbType(staticDatabaseConfiguration.getDbType());
  41
  42     if (staticDbType == DatabaseConfiguration::DbType::REDIS_CLUSTER)
  43 #if HAVE_HIREDIS_VIP
  44         return std::make_shared<AsyncHiredisDatabaseDiscovery>(engine,
  45                                                                ns,
  46                                                                DatabaseInfo::Type::CLUSTER,
  47                                                                staticAddresses,
  48                                                                logger);
  49 #else
  50         SHAREDDATALAYER_ABORT("No Hiredis vip for Redis cluster configuration");
  51 #endif
  52     else
  53     {
  54 #if HAVE_HIREDIS
  55         if (staticDbType == DatabaseConfiguration::DbType::REDIS_SENTINEL)
  56         {
  57             static_cast<void>(ns);
  58             auto sentinelAddress(staticDatabaseConfiguration.getSentinelAddress());
  59             if (sentinelAddress)
  60                 return std::make_shared<AsyncSentinelDatabaseDiscovery>(engine,
  61                                                                         logger,
  62                                                                         *sentinelAddress,
  63                                                                         staticDatabaseConfiguration.getSentinelMasterName());
  64             else
  65                 SHAREDDATALAYER_ABORT("Sentinel address not configured.");
  66         }
  67         else
  68         {
  69             return std::make_shared<AsyncHiredisDatabaseDiscovery>(engine,
  70                                                                    ns,
  71                                                                    DatabaseInfo::Type::SINGLE,
  72                                                                    staticAddresses,
  73                                                                    logger);
  74         }
  75 #else
  76         static_cast<void>(logger);
  77         SHAREDDATALAYER_ABORT("No Hiredis");
  78 #endif
  79     }
  80 }