mirror of https://gitee.com/bigwinds/arangodb
58 lines
2.0 KiB
C++
58 lines
2.0 KiB
C++
////////////////////////////////////////////////////////////////////////////////
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/// DISCLAIMER
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///
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/// Copyright 2014-2016 ArangoDB GmbH, Cologne, Germany
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/// Copyright 2004-2014 triAGENS GmbH, Cologne, Germany
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///
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/// Licensed under the Apache License, Version 2.0 (the "License");
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/// you may not use this file except in compliance with the License.
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/// You may obtain a copy of the License at
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///
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/// http://www.apache.org/licenses/LICENSE-2.0
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///
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/// Unless required by applicable law or agreed to in writing, software
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/// distributed under the License is distributed on an "AS IS" BASIS,
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/// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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/// See the License for the specific language governing permissions and
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/// limitations under the License.
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///
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/// Copyright holder is ArangoDB GmbH, Cologne, Germany
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///
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/// @author Jan Steemann
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////////////////////////////////////////////////////////////////////////////////
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#ifndef ARANGOD_VOC_BASE_TICKS_H
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#define ARANGOD_VOC_BASE_TICKS_H 1
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#include <cstdint>
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#include "VocBase/voc-types.h"
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/// @brief create a new tick, using a hybrid logical clock
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TRI_voc_tick_t TRI_HybridLogicalClock();
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/// @brief create a new tick, using a hybrid logical clock, this variant
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/// is supposed to be called when a time stamp is received in network
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/// communications.
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TRI_voc_tick_t TRI_HybridLogicalClock(TRI_voc_tick_t received);
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/// @brief create a new tick
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TRI_voc_tick_t TRI_NewTickServer();
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/// @brief updates the tick counter, with lock
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void TRI_UpdateTickServer(TRI_voc_tick_t);
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/// @brief returns the current tick counter
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TRI_voc_tick_t TRI_CurrentTickServer();
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/// @brief generates a new tick which also encodes this server's id
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TRI_voc_tick_t TRI_NewServerSpecificTick();
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/// @brief generates a new tick which also encodes this server's id
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TRI_voc_tick_t TRI_NewServerSpecificTickMod4();
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/// @brief extracts the server id from a server-specific tick
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uint32_t TRI_ExtractServerIdFromTick(TRI_voc_tick_t);
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#endif
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