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elektron/elektronLogging/logger.go
2019-12-04 14:08:17 -05:00

55 lines
1.4 KiB
Go

package elektronLogging
import (
"os"
"strings"
"time"
log "github.com/sirupsen/logrus"
. "github.com/spdfg/elektron/elektronLogging/types"
)
var config LoggerConfig
var logger *log.Logger
var formatter ElektronFormatter
var ElektronLogger *LoggerImpl
var logDir logDirectory
func BuildLogger(prefix string, logConfigFilename string) {
// Read configuration from yaml.
config.GetConfig(logConfigFilename)
// Create the log directory.
startTime := time.Now()
formatter.TimestampFormat = "2006-01-02 15:04:05"
formattedStartTime := startTime.Format("20060102150405")
logDir.createLogDir(prefix, startTime)
// Instantiate the logrus instance.
prefix = strings.Join([]string{prefix, formattedStartTime}, "_")
logger = &log.Logger{
Out: os.Stderr,
Level: log.DebugLevel,
Formatter: &formatter,
}
// Create a chain of loggers.
b := &baseLogData{data: log.Fields{}}
head := &LoggerImpl{baseLogData: b}
cLog := NewConsoleLogger(b, CONSOLE, prefix)
pLog := NewPCPLogger(b, PCP, prefix)
schedTraceLog := NewSchedTraceLogger(b, SCHED_TRACE, prefix)
spsLog := NewSchedPolicySwitchLogger(b, SPS, prefix)
schedWindowLog := NewSchedWindowLogger(b, SCHED_WINDOW, prefix)
tskDistLog := NewClsfnTaskDistrOverheadLogger(b, CLSFN_TASKDISTR_OVERHEAD, prefix)
head.SetNext(cLog)
cLog.SetNext(pLog)
pLog.SetNext(schedTraceLog)
schedTraceLog.SetNext(spsLog)
spsLog.SetNext(schedWindowLog)
schedWindowLog.SetNext(tskDistLog)
ElektronLogger = head
}