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55 lines
1.5 KiB
Go
55 lines
1.5 KiB
Go
/** Exponential backoffs for reconnect timing.
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*
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* @author Steffen Vogel <stvogel@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 webrtc
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import "time"
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var (
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DefaultExponentialBackoff = ExponentialBackoff{
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Factor: 1.5,
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Maximum: 1 * time.Minute,
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Initial: 1 * time.Second,
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Duration: 1 * time.Second,
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}
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)
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type ExponentialBackoff struct {
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Factor float32
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Maximum time.Duration
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Initial time.Duration
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Duration time.Duration
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}
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func (e *ExponentialBackoff) Next() time.Duration {
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e.Duration = time.Duration(1.5 * float32(e.Duration)).Round(time.Second)
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if e.Duration > e.Maximum {
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e.Duration = e.Maximum
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}
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return e.Duration
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}
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func (e *ExponentialBackoff) Reset() {
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e.Duration = e.Initial
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}
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