Fast and extensible multi-platform HTTP/1-2-3 web server with automatic HTTPS
Mirrored from https://github.com/Slazee/caddy.git
Synced Nov 10, 23:45 UTC
| 1 | // Copyright 2015 Matthew Holt and The Caddy Authors |
| 2 | // |
| 3 | // Licensed under the Apache License, Version 2.0 (the "License"); |
| 4 | // you may not use this file except in compliance with the License. |
| 5 | // You may obtain a copy of the License at |
| 6 | // |
| 7 | // http://www.apache.org/licenses/LICENSE-2.0 |
| 8 | // |
| 9 | // Unless required by applicable law or agreed to in writing, software |
| 10 | // distributed under the License is distributed on an "AS IS" BASIS, |
| 11 | // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 12 | // See the License for the specific language governing permissions and |
| 13 | // limitations under the License. |
| 14 | |
| 15 | package internal |
| 16 | |
| 17 | import ( |
| 18 | "sync" |
| 19 | |
| 20 | "go.uber.org/zap" |
| 21 | "go.uber.org/zap/zapcore" |
| 22 | ) |
| 23 | |
| 24 | // LogBufferCore is a zapcore.Core that buffers log entries in memory. |
| 25 | type LogBufferCore struct { |
| 26 | mu sync.Mutex |
| 27 | entries []zapcore.Entry |
| 28 | fields [][]zapcore.Field |
| 29 | level zapcore.LevelEnabler |
| 30 | } |
| 31 | |
| 32 | type LogBufferCoreInterface interface { |
| 33 | zapcore.Core |
| 34 | FlushTo(*zap.Logger) |
| 35 | } |
| 36 | |
| 37 | func NewLogBufferCore(level zapcore.LevelEnabler) *LogBufferCore { |
| 38 | return &LogBufferCore{ |
| 39 | level: level, |
| 40 | } |
| 41 | } |
| 42 | |
| 43 | func (c *LogBufferCore) Enabled(lvl zapcore.Level) bool { |
| 44 | return c.level.Enabled(lvl) |
| 45 | } |
| 46 | |
| 47 | func (c *LogBufferCore) With(fields []zapcore.Field) zapcore.Core { |
| 48 | return c |
| 49 | } |
| 50 | |
| 51 | func (c *LogBufferCore) Check(entry zapcore.Entry, ce *zapcore.CheckedEntry) *zapcore.CheckedEntry { |
| 52 | if c.Enabled(entry.Level) { |
| 53 | return ce.AddCore(entry, c) |
| 54 | } |
| 55 | return ce |
| 56 | } |
| 57 | |
| 58 | func (c *LogBufferCore) Write(entry zapcore.Entry, fields []zapcore.Field) error { |
| 59 | c.mu.Lock() |
| 60 | defer c.mu.Unlock() |
| 61 | c.entries = append(c.entries, entry) |
| 62 | c.fields = append(c.fields, fields) |
| 63 | return nil |
| 64 | } |
| 65 | |
| 66 | func (c *LogBufferCore) Sync() error { return nil } |
| 67 | |
| 68 | // FlushTo flushes buffered logs to the given zap.Logger. |
| 69 | func (c *LogBufferCore) FlushTo(logger *zap.Logger) { |
| 70 | c.mu.Lock() |
| 71 | defer c.mu.Unlock() |
| 72 | for idx, entry := range c.entries { |
| 73 | logger.WithOptions().Check(entry.Level, entry.Message).Write(c.fields[idx]...) |
| 74 | } |
| 75 | c.entries = nil |
| 76 | c.fields = nil |
| 77 | } |
| 78 | |
| 79 | var ( |
| 80 | _ zapcore.Core = (*LogBufferCore)(nil) |
| 81 | _ LogBufferCoreInterface = (*LogBufferCore)(nil) |
| 82 | ) |