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author | Wei-Ning Huang <w@dexon.org> | 2018-11-02 12:04:20 +0800 |
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committer | Wei-Ning Huang <w@byzantine-lab.io> | 2019-06-12 17:27:17 +0800 |
commit | 248fdaa5ccca535ddce93173f2f0f3bc60b9381d (patch) | |
tree | ea99eebff0db5294e222adc7920f8a5f47a7c2ba /vendor/github.com/dexon-foundation/dexon-consensus/common/logger.go | |
parent | 7ef2bd6a1544d3b92cf2b2119935b425279b4e59 (diff) | |
download | go-tangerine-248fdaa5ccca535ddce93173f2f0f3bc60b9381d.tar.gz go-tangerine-248fdaa5ccca535ddce93173f2f0f3bc60b9381d.tar.zst go-tangerine-248fdaa5ccca535ddce93173f2f0f3bc60b9381d.zip |
Rename import due to dexon-consensus rename
Diffstat (limited to 'vendor/github.com/dexon-foundation/dexon-consensus/common/logger.go')
-rw-r--r-- | vendor/github.com/dexon-foundation/dexon-consensus/common/logger.go | 87 |
1 files changed, 87 insertions, 0 deletions
diff --git a/vendor/github.com/dexon-foundation/dexon-consensus/common/logger.go b/vendor/github.com/dexon-foundation/dexon-consensus/common/logger.go new file mode 100644 index 000000000..2eb1e2bd0 --- /dev/null +++ b/vendor/github.com/dexon-foundation/dexon-consensus/common/logger.go @@ -0,0 +1,87 @@ +// Copyright 2018 The dexon-consensus Authors +// This file is part of the dexon-consensus library. +// +// The dexon-consensus library is free software: you can redistribute it +// and/or modify it under the terms of the GNU Lesser General Public License as +// published by the Free Software Foundation, either version 3 of the License, +// or (at your option) any later version. +// +// The dexon-consensus library is distributed in the hope that it will be +// useful, but WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser +// General Public License for more details. +// +// You should have received a copy of the GNU Lesser General Public License +// along with the dexon-consensus library. If not, see +// <http://www.gnu.org/licenses/>. + +package common + +import "log" + +// Logger define the way to receive logs from Consensus instance. +// NOTE: parameter in 'ctx' should be paired as key-value mapping. For example, +// to log an error with message: +// logger.Error("some message", "error", err) +// which is similar to loggers with context: +// logger.Error("some message", map[string]interface{}{ +// "error": err, +// }) +type Logger interface { + // Info logs info level logs. + Debug(msg string, ctx ...interface{}) + Info(msg string, ctx ...interface{}) + Warn(msg string, ctx ...interface{}) + Error(msg string, ctx ...interface{}) +} + +// NullLogger logs nothing. +type NullLogger struct{} + +// Debug implements Logger interface. +func (logger *NullLogger) Debug(msg string, ctx ...interface{}) { +} + +// Info implements Logger interface. +func (logger *NullLogger) Info(msg string, ctx ...interface{}) { +} + +// Warn implements Logger interface. +func (logger *NullLogger) Warn(msg string, ctx ...interface{}) { +} + +// Error implements Logger interface. +func (logger *NullLogger) Error(msg string, ctx ...interface{}) { +} + +// SimpleLogger logs everything. +type SimpleLogger struct{} + +// composeVargs makes (msg, ctx...) could be pass to log.Println +func composeVargs(msg string, ctxs []interface{}) []interface{} { + args := []interface{}{msg} + for _, c := range ctxs { + args = append(args, c) + } + return args +} + +// Debug implements Logger interface. +func (logger *SimpleLogger) Debug(msg string, ctx ...interface{}) { + log.Println(composeVargs(msg, ctx)...) +} + +// Info implements Logger interface. +func (logger *SimpleLogger) Info(msg string, ctx ...interface{}) { + log.Println(composeVargs(msg, ctx)...) +} + +// Warn implements Logger interface. +func (logger *SimpleLogger) Warn(msg string, ctx ...interface{}) { + log.Println(composeVargs(msg, ctx)...) +} + +// Error implements Logger interface. +func (logger *SimpleLogger) Error(msg string, ctx ...interface{}) { + log.Println(composeVargs(msg, ctx)...) +} |