37 lines
1.0 KiB
Go
37 lines
1.0 KiB
Go
package statusproto
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import (
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"encoding/hex"
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"go.uber.org/zap"
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"go.uber.org/zap/zapcore"
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)
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type jsonHexEncoder struct {
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zapcore.Encoder
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}
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// NewJSONHexEncoder creates a JSON logger based on zapcore.NewJSONEncoder
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// but overwrites encoding of byte slices. Instead encoding them with base64,
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// jsonHexEncoder uses hex-encoding.
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// Each hex-encoded value is prefixed with 0x so that it's clear it's a hex string.
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func NewJSONHexEncoder(cfg zapcore.EncoderConfig) zapcore.Encoder {
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jsonEncoder := zapcore.NewJSONEncoder(cfg)
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return &jsonHexEncoder{
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Encoder: jsonEncoder,
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}
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}
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func (enc *jsonHexEncoder) AddBinary(key string, val []byte) {
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enc.AddString(key, "0x"+hex.EncodeToString(val))
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}
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// RegisterJSONHexEncoder registers a jsonHexEncoder under "json-hex" name.
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// Later, this name can be used as a value for zap.Config.Encoding to enable
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// jsonHexEncoder.
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func RegisterJSONHexEncoder() error {
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return zap.RegisterEncoder("json-hex", func(cfg zapcore.EncoderConfig) (zapcore.Encoder, error) {
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return NewJSONHexEncoder(cfg), nil
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})
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}
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