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39 lines
834 B
Go
39 lines
834 B
Go
// SPDX-FileCopyrightText: 2023 The Pion community <https://pion.ly>
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// SPDX-License-Identifier: MIT
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package ice
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import (
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"encoding/binary"
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"github.com/pion/stun/v3"
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)
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// PriorityAttr represents PRIORITY attribute.
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type PriorityAttr uint32
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const prioritySize = 4 // 32 bit
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// AddTo adds PRIORITY attribute to message.
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func (p PriorityAttr) AddTo(m *stun.Message) error {
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v := make([]byte, prioritySize)
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binary.BigEndian.PutUint32(v, uint32(p))
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m.Add(stun.AttrPriority, v)
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return nil
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}
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// GetFrom decodes PRIORITY attribute from message.
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func (p *PriorityAttr) GetFrom(m *stun.Message) error {
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v, err := m.Get(stun.AttrPriority)
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if err != nil {
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return err
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}
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if err = stun.CheckSize(stun.AttrPriority, len(v), prioritySize); err != nil {
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return err
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}
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*p = PriorityAttr(binary.BigEndian.Uint32(v))
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return nil
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}
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