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author | Kaloian Manassiev <kaloian.manassiev@mongodb.com> | 2015-06-24 15:51:26 -0400 |
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committer | Kaloian Manassiev <kaloian.manassiev@mongodb.com> | 2015-06-29 21:49:51 -0400 |
commit | bd7969fc8ae3510d0889982383d5db4a50e35790 (patch) | |
tree | fe3cc8701ee611f8270dc3c519034ec102f9b818 /src/mongo/s/shard_util.h | |
parent | 28be53c1c9721c4ef8a3046bb3546a1b63e759f6 (diff) | |
download | mongo-bd7969fc8ae3510d0889982383d5db4a50e35790.tar.gz |
SERVER-19111 Get rid of ShardStatus
This change moves the "shard status" retrieval to common static functions
and gets rid of the ShardStatus function.
Diffstat (limited to 'src/mongo/s/shard_util.h')
-rw-r--r-- | src/mongo/s/shard_util.h | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/src/mongo/s/shard_util.h b/src/mongo/s/shard_util.h new file mode 100644 index 00000000000..b9d546b75a2 --- /dev/null +++ b/src/mongo/s/shard_util.h @@ -0,0 +1,56 @@ +/** + * Copyright (C) 2015 MongoDB Inc. + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU Affero General Public License, version 3, + * as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU Affero General Public License for more details. + * + * You should have received a copy of the GNU Affero General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + * + * As a special exception, the copyright holders give permission to link the + * code of portions of this program with the OpenSSL library under certain + * conditions as described in each individual source file and distribute + * linked combinations including the program with the OpenSSL library. You + * must comply with the GNU Affero General Public License in all respects for + * all of the code used other than as permitted herein. If you modify file(s) + * with this exception, you may extend this exception to your version of the + * file(s), but you are not obligated to do so. If you do not wish to do so, + * delete this exception statement from your version. If you delete this + * exception statement from all source files in the program, then also delete + * it in the license file. + */ + +#pragma once + +#include <string> + +#include "mongo/s/client/shard.h" + +namespace mongo { + +class ShardRegistry; +template <typename T> +class StatusWith; + +/** + * Set of methods used to introspect the state of individual shards. + */ +namespace shardutil { +/** + * Executes the listDatabases command against the specified shard and obtains the total data + * size across all databases in bytes (essentially, the totalSize field). + * + * Returns OK with the total size or an error. Known errors are: + * ShardNotFound if shard by that id is not available on the registry + * NoSuchKey if the total shard size could not be retrieved + */ +StatusWith<long long> retrieveTotalShardSize(ShardId shardId, ShardRegistry* shardRegistry); +}; + +} // namespace mongo |