forked from mirrors/gotosocial
93 lines
2.7 KiB
Go
93 lines
2.7 KiB
Go
/*
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*
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* Copyright 2020 gRPC authors.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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*/
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package grpclog
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import (
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"fmt"
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)
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// PrefixLogger does logging with a prefix.
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//
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// Logging method on a nil logs without any prefix.
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type PrefixLogger struct {
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logger DepthLoggerV2
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prefix string
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}
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// Infof does info logging.
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func (pl *PrefixLogger) Infof(format string, args ...interface{}) {
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if pl != nil {
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// Handle nil, so the tests can pass in a nil logger.
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format = pl.prefix + format
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pl.logger.InfoDepth(1, fmt.Sprintf(format, args...))
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return
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}
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InfoDepth(1, fmt.Sprintf(format, args...))
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}
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// Warningf does warning logging.
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func (pl *PrefixLogger) Warningf(format string, args ...interface{}) {
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if pl != nil {
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format = pl.prefix + format
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pl.logger.WarningDepth(1, fmt.Sprintf(format, args...))
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return
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}
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WarningDepth(1, fmt.Sprintf(format, args...))
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}
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// Errorf does error logging.
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func (pl *PrefixLogger) Errorf(format string, args ...interface{}) {
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if pl != nil {
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format = pl.prefix + format
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pl.logger.ErrorDepth(1, fmt.Sprintf(format, args...))
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return
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}
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ErrorDepth(1, fmt.Sprintf(format, args...))
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}
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// Debugf does info logging at verbose level 2.
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func (pl *PrefixLogger) Debugf(format string, args ...interface{}) {
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// TODO(6044): Refactor interfaces LoggerV2 and DepthLogger, and maybe
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// rewrite PrefixLogger a little to ensure that we don't use the global
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// `Logger` here, and instead use the `logger` field.
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if !Logger.V(2) {
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return
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}
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if pl != nil {
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// Handle nil, so the tests can pass in a nil logger.
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format = pl.prefix + format
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pl.logger.InfoDepth(1, fmt.Sprintf(format, args...))
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return
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}
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InfoDepth(1, fmt.Sprintf(format, args...))
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}
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// V reports whether verbosity level l is at least the requested verbose level.
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func (pl *PrefixLogger) V(l int) bool {
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// TODO(6044): Refactor interfaces LoggerV2 and DepthLogger, and maybe
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// rewrite PrefixLogger a little to ensure that we don't use the global
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// `Logger` here, and instead use the `logger` field.
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return Logger.V(l)
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}
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// NewPrefixLogger creates a prefix logger with the given prefix.
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func NewPrefixLogger(logger DepthLoggerV2, prefix string) *PrefixLogger {
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return &PrefixLogger{logger: logger, prefix: prefix}
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}
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