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logger.go
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/
logger.go
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package server
import (
"github.com/rs/zerolog"
tmlog "github.com/tendermint/tendermint/libs/log"
)
var _ tmlog.Logger = (*ZeroLogWrapper)(nil)
// ZeroLogWrapper provides a wrapper around a zerolog.Logger instance. It implements
// Tendermint's Logger interface.
type ZeroLogWrapper struct {
zerolog.Logger
}
// Info implements Tendermint's Logger interface and logs with level INFO. A set
// of key/value tuples may be provided to add context to the log. The number of
// tuples must be even and the key of the tuple must be a string.
func (z ZeroLogWrapper) Info(msg string, keyVals ...interface{}) {
z.Logger.Info().Fields(getLogFields(keyVals...)).Msg(msg)
}
// Error implements Tendermint's Logger interface and logs with level ERR. A set
// of key/value tuples may be provided to add context to the log. The number of
// tuples must be even and the key of the tuple must be a string.
func (z ZeroLogWrapper) Error(msg string, keyVals ...interface{}) {
z.Logger.Error().Fields(getLogFields(keyVals...)).Msg(msg)
}
// Debug implements Tendermint's Logger interface and logs with level DEBUG. A set
// of key/value tuples may be provided to add context to the log. The number of
// tuples must be even and the key of the tuple must be a string.
func (z ZeroLogWrapper) Debug(msg string, keyVals ...interface{}) {
z.Logger.Debug().Fields(getLogFields(keyVals...)).Msg(msg)
}
// With returns a new wrapped logger with additional context provided by a set
// of key/value tuples. The number of tuples must be even and the key of the
// tuple must be a string.
func (z ZeroLogWrapper) With(keyVals ...interface{}) tmlog.Logger {
return ZeroLogWrapper{z.Logger.With().Fields(getLogFields(keyVals...)).Logger()}
}
func getLogFields(keyVals ...interface{}) map[string]interface{} {
if len(keyVals)%2 != 0 {
return nil
}
fields := make(map[string]interface{})
for i := 0; i < len(keyVals); i += 2 {
fields[keyVals[i].(string)] = keyVals[i+1]
}
return fields
}