micro/debug/log/log.go
2019-12-17 18:16:45 +00:00

43 lines
835 B
Go

// Package log provides debug logging
package log
import (
"time"
)
var (
// DefaultLog logger
DefaultLog = NewLog()
// DefaultLevel is default log level
DefaultLevel = LevelInfo
// Default buffer size if any
DefaultSize = 1024
// prefix for all messages
prefix string
)
// Log is event log
type Log interface {
// Read reads log entries from the logger
Read(...ReadOption) ([]Record, error)
// Write writes records to log
Write(Record) error
// Stream log records
Stream() (Stream, error)
}
// Record is log record entry
type Record struct {
// Timestamp of logged event
Timestamp time.Time `json:"time"`
// Value contains log entry
Value interface{} `json:"value"`
// Metadata to enrich log record
Metadata map[string]string `json:"metadata"`
}
type Stream interface {
Chan() <-chan Record
Stop() error
}