24 lines
752 B
Go
24 lines
752 B
Go
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package data
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import (
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"encoding/binary"
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)
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// EncodeKey returns the byte representation of a urdt/ussd user data key.
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// This key can be used to lookup the value on any storage backend implementation.
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// Warning: This is a shortcut specifically for user data, it is not expected to work for all go-vise keys.
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// TODO: Replace with imported data types from the common package once lib-gdbm dependency is removed.
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func EncodeKey(sessionID string, dataType uint16) []byte {
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keyBytes := []byte(sessionID)
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keyBytes = append(keyBytes, uint16ToBytes(dataType)...)
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keyBytes = append([]uint8{keyPrefix}, keyBytes...)
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return keyBytes
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}
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func uint16ToBytes(v uint16) []byte {
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bytes := make([]byte, 2)
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binary.BigEndian.PutUint16(bytes, v)
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return bytes
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}
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