forked from TrueCloudLab/frostfs-node
65 lines
1.9 KiB
Go
65 lines
1.9 KiB
Go
package internal
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import (
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"fmt"
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"strconv"
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"google.golang.org/protobuf/proto"
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)
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// StringifySubnetClientGroupID returns string representation of SubnetClientGroupID using MarshalText.
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// Returns a string with a message on error.
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func StringifySubnetClientGroupID(id *SubnetClientGroupID) string {
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text, err := id.MarshalText()
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if err != nil {
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return fmt.Sprintf("<invalid> %v", err)
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}
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return string(text)
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}
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// MarshalText encodes SubnetClientGroupID into text format according to NeoFS API V2 protocol:
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// value in base-10 integer string format.
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//
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// It implements encoding.TextMarshaler.
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func (x *SubnetClientGroupID) MarshalText() ([]byte, error) {
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num := x.GetValue() // NPE safe, returns zero on nil
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return []byte(strconv.FormatUint(uint64(num), 10)), nil
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}
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// UnmarshalText decodes the SubnetID from the text according to NeoFS API V2 protocol:
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// should be base-10 integer string format with bitsize = 32.
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//
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// Returns strconv.ErrRange if integer overflows uint32.
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//
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// Must not be called on nil.
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//
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// Implements encoding.TextUnmarshaler.
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func (x *SubnetClientGroupID) UnmarshalText(txt []byte) error {
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num, err := strconv.ParseUint(string(txt), 10, 32)
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if err != nil {
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return fmt.Errorf("invalid numeric value: %w", err)
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}
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x.SetNumber(uint32(num))
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return nil
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}
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// Marshal encodes the SubnetClientGroupID into a binary format of NeoFS API V2 protocol
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// (Protocol Buffers with direct field order).
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func (x *SubnetClientGroupID) Marshal() ([]byte, error) {
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return proto.Marshal(x)
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}
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// Unmarshal decodes the SubnetClientGroupID from NeoFS API V2 binary format (see Marshal). Must not be called on nil.
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func (x *SubnetClientGroupID) Unmarshal(data []byte) error {
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return proto.Unmarshal(data, x)
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}
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// SetNumber sets SubnetClientGroupID value in uint32 format. Must not be called on nil.
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// By default, number is 0.
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func (x *SubnetClientGroupID) SetNumber(num uint32) {
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x.Value = num
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}
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