d1b1e32b6e
Partition.Payload now supports every type of disk.Entity which enables creating PartitionTables with LUKS, LVM, and Btrfs. \o/ Co-Authored-By: Achilleas Koutsou <achilleas@koutsou.net>
71 lines
1.4 KiB
Go
71 lines
1.4 KiB
Go
package disk
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import (
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"fmt"
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)
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type Partition struct {
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Start uint64 // Start of the partition in bytes
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Size uint64 // Size of the partition in bytes
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Type string // Partition type, e.g. 0x83 for MBR or a UUID for gpt
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Bootable bool // `Legacy BIOS bootable` (GPT) or `active` (DOS) flag
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// ID of the partition, dos doesn't use traditional UUIDs, therefore this
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// is just a string.
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UUID string
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// If nil, the partition is raw; It doesn't contain a payload.
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Payload Entity
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}
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func (p *Partition) IsContainer() bool {
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return true
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}
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func (p *Partition) Clone() Entity {
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if p == nil {
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return nil
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}
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partition := &Partition{
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Start: p.Start,
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Size: p.Size,
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Type: p.Type,
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Bootable: p.Bootable,
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UUID: p.UUID,
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}
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if p.Payload != nil {
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partition.Payload = p.Payload.Clone()
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}
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return partition
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}
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func (pt *Partition) GetItemCount() uint {
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if pt == nil || pt.Payload == nil {
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return 0
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}
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return 1
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}
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func (p *Partition) GetChild(n uint) Entity {
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if n != 0 {
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panic(fmt.Sprintf("invalid child index for Partition: %d != 0", n))
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}
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return p.Payload
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}
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func (p *Partition) GetSize() uint64 {
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return p.Size
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}
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// Ensure the partition has at least the given size. Will do nothing
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// if the partition is already larger. Returns if the size changed.
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func (p *Partition) EnsureSize(s uint64) bool {
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if s > p.Size {
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p.Size = s
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return true
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}
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return false
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}
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