40 lines
1.3 KiB
C
40 lines
1.3 KiB
C
/*
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* Copyright (c) 2019 TAOS Data, Inc. <jhtao@taosdata.com>
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*
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* This program is free software: you can use, redistribute, and/or modify
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* it under the terms of the GNU Affero General Public License, version 3
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* or later ("AGPL"), as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "os.h"
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#include "taoserror.h"
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#include "thash.h"
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/**
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* Generate an non-negative signed 32bit id
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*+------------+-----+-----------+---------------+
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*| uid|localIp| PId | timestamp | serial number |
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*+------------+-----+-----------+---------------+
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*| 6bit |6bit | 12bit | 8bit |
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*+------------+-----+-----------+---------------+
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* @return
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*/
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int32_t tGenIdPI32(void);
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/**
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* Generate an non-negative signed 64bit id
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*+------------+-----+-----------+---------------+
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*| uid|localIp| PId | timestamp | serial number |
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*+------------+-----+-----------+---------------+
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*| 12bit |12bit|24bit |16bit |
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*+------------+-----+-----------+---------------+
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* @return
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*/
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int64_t tGenIdPI64(void);
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