mirror of
https://git.rwth-aachen.de/acs/public/villas/node/
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94 lines
2 KiB
Go
94 lines
2 KiB
Go
/** Sample datastructure.
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*
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* @author Steffen Vogel <svogel2@eonerc.rwth-aachen.de>
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* @copyright 2014-2022, Institute for Automation of Complex Power Systems, EONERC
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* @license GNU General Public License (version 3)
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*
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* VILLASnode
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU 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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package pkg
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import (
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"encoding/json"
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"math/rand"
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"time"
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)
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type Timestamp [2]int64
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func TimestampFromTime(t time.Time) Timestamp {
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return Timestamp{t.Unix(), int64(t.Nanosecond())}
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}
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type Timestamps struct {
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Origin Timestamp `json:"origin"`
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Received Timestamp `json:"received"`
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}
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type Sample struct {
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Flags int `json:"-"`
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Timestamps Timestamps `json:"ts"`
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Sequence uint64 `json:"sequence"`
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Data []float64 `json:"data"`
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}
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func GenerateRandomSample() Sample {
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now := time.Now()
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return Sample{
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Timestamps: Timestamps{
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Origin: TimestampFromTime(now),
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},
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Sequence: 1,
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Data: []float64{
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1 * rand.Float64(),
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10 * rand.Float64(),
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100 * rand.Float64(),
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},
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}
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}
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func (s Sample) Bytes() []byte {
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b, _ := json.Marshal(s)
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return b
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}
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func (s Sample) Equal(t Sample) bool {
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if s.Flags != t.Flags {
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return false
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}
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if s.Sequence != t.Sequence {
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return false
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}
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if s.Timestamps != t.Timestamps {
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return false
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}
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if len(s.Data) != len(t.Data) {
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return false
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}
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for i, va := range s.Data {
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if vb := t.Data[i]; va != vb {
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return false
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}
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}
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return true
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}
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