forked from TrueCloudLab/frostfs-api-go
128 lines
2.6 KiB
Go
128 lines
2.6 KiB
Go
package container
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import (
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"encoding/binary"
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"io"
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)
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var requestEndianness = binary.BigEndian
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// SignedData returns payload bytes of the request.
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func (m PutRequest) SignedData() ([]byte, error) {
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data := make([]byte, m.SignedDataSize())
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if _, err := m.ReadSignedData(data); err != nil {
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return nil, err
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}
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return data, nil
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}
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// SignedDataSize returns payload size of the request.
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func (m PutRequest) SignedDataSize() (sz int) {
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sz += m.GetMessageID().Size()
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sz += 8
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sz += m.GetOwnerID().Size()
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rules := m.GetRules()
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sz += rules.Size()
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sz += 4
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return
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}
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// ReadSignedData copies payload bytes to passed buffer.
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//
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// If the Request size is insufficient, io.ErrUnexpectedEOF returns.
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func (m PutRequest) ReadSignedData(p []byte) (int, error) {
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if len(p) < m.SignedDataSize() {
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return 0, io.ErrUnexpectedEOF
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}
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var off int
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off += copy(p[off:], m.GetMessageID().Bytes())
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requestEndianness.PutUint64(p[off:], m.GetCapacity())
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off += 8
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off += copy(p[off:], m.GetOwnerID().Bytes())
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rules := m.GetRules()
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// FIXME: implement and use stable functions
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n, err := rules.MarshalTo(p[off:])
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off += n
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if err != nil {
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return off, err
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}
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requestEndianness.PutUint32(p[off:], m.GetBasicACL())
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off += 4
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return off, nil
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}
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// SignedData returns payload bytes of the request.
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func (m DeleteRequest) SignedData() ([]byte, error) {
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data := make([]byte, m.SignedDataSize())
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if _, err := m.ReadSignedData(data); err != nil {
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return nil, err
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}
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return data, nil
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}
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// SignedDataSize returns payload size of the request.
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func (m DeleteRequest) SignedDataSize() (sz int) {
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return m.GetCID().Size()
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}
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// ReadSignedData copies payload bytes to passed buffer.
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//
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// If the Request size is insufficient, io.ErrUnexpectedEOF returns.
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func (m DeleteRequest) ReadSignedData(p []byte) (int, error) {
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if len(p) < m.SignedDataSize() {
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return 0, io.ErrUnexpectedEOF
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}
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var off int
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off += copy(p[off:], m.GetCID().Bytes())
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return off, nil
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}
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// SignedData returns payload bytes of the request.
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func (m GetRequest) SignedData() ([]byte, error) {
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data := make([]byte, m.SignedDataSize())
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if _, err := m.ReadSignedData(data); err != nil {
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return nil, err
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}
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return data, nil
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}
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// SignedDataSize returns payload size of the request.
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func (m GetRequest) SignedDataSize() (sz int) {
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return m.GetCID().Size()
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}
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// ReadSignedData copies payload bytes to passed buffer.
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//
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// If the Request size is insufficient, io.ErrUnexpectedEOF returns.
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func (m GetRequest) ReadSignedData(p []byte) (int, error) {
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if len(p) < m.SignedDataSize() {
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return 0, io.ErrUnexpectedEOF
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}
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var off int
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off += copy(p[off:], m.GetCID().Bytes())
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return off, nil
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}
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