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Diffstat (limited to 'logger/loggers.go')
-rw-r--r--logger/loggers.go142
1 files changed, 14 insertions, 128 deletions
diff --git a/logger/loggers.go b/logger/loggers.go
index 1bf7bfa0e..147b2b85f 100644
--- a/logger/loggers.go
+++ b/logger/loggers.go
@@ -13,28 +13,12 @@ logging of mutable state.
package logger
import (
+ "encoding/json"
"fmt"
- "io"
- "log"
"os"
- "sync"
- "sync/atomic"
)
-// LogSystem is implemented by log output devices.
-// All methods can be called concurrently from multiple goroutines.
-type LogSystem interface {
- GetLogLevel() LogLevel
- SetLogLevel(i LogLevel)
- LogPrint(LogLevel, string)
-}
-
-type message struct {
- level LogLevel
- msg string
-}
-
-type LogLevel uint8
+type LogLevel uint32
const (
// Standard log levels
@@ -44,102 +28,9 @@ const (
InfoLevel
DebugLevel
DebugDetailLevel
+ JsonLevel = 1000
)
-var (
- logMessageC = make(chan message)
- addSystemC = make(chan LogSystem)
- flushC = make(chan chan struct{})
- resetC = make(chan chan struct{})
-)
-
-func init() {
- go dispatchLoop()
-}
-
-// each system can buffer this many messages before
-// blocking incoming log messages.
-const sysBufferSize = 500
-
-func dispatchLoop() {
- var (
- systems []LogSystem
- systemIn []chan message
- systemWG sync.WaitGroup
- )
- bootSystem := func(sys LogSystem) {
- in := make(chan message, sysBufferSize)
- systemIn = append(systemIn, in)
- systemWG.Add(1)
- go sysLoop(sys, in, &systemWG)
- }
-
- for {
- select {
- case msg := <-logMessageC:
- for _, c := range systemIn {
- c <- msg
- }
-
- case sys := <-addSystemC:
- systems = append(systems, sys)
- bootSystem(sys)
-
- case waiter := <-resetC:
- // reset means terminate all systems
- for _, c := range systemIn {
- close(c)
- }
- systems = nil
- systemIn = nil
- systemWG.Wait()
- close(waiter)
-
- case waiter := <-flushC:
- // flush means reboot all systems
- for _, c := range systemIn {
- close(c)
- }
- systemIn = nil
- systemWG.Wait()
- for _, sys := range systems {
- bootSystem(sys)
- }
- close(waiter)
- }
- }
-}
-
-func sysLoop(sys LogSystem, in <-chan message, wg *sync.WaitGroup) {
- for msg := range in {
- if sys.GetLogLevel() >= msg.level {
- sys.LogPrint(msg.level, msg.msg)
- }
- }
- wg.Done()
-}
-
-// Reset removes all active log systems.
-// It blocks until all current messages have been delivered.
-func Reset() {
- waiter := make(chan struct{})
- resetC <- waiter
- <-waiter
-}
-
-// Flush waits until all current log messages have been dispatched to
-// the active log systems.
-func Flush() {
- waiter := make(chan struct{})
- flushC <- waiter
- <-waiter
-}
-
-// AddLogSystem starts printing messages to the given LogSystem.
-func AddLogSystem(sys LogSystem) {
- addSystemC <- sys
-}
-
// A Logger prints messages prefixed by a given tag. It provides named
// Printf and Println style methods for all loglevels. Each ethereum
// component should have its own logger with a unique prefix.
@@ -223,26 +114,21 @@ func (logger *Logger) Fatalf(format string, v ...interface{}) {
os.Exit(0)
}
-// NewStdLogSystem creates a LogSystem that prints to the given writer.
-// The flag values are defined package log.
-func NewStdLogSystem(writer io.Writer, flags int, level LogLevel) LogSystem {
- logger := log.New(writer, "", flags)
- return &stdLogSystem{logger, uint32(level)}
+type JsonLogger struct {
+ Coinbase string
}
-type stdLogSystem struct {
- logger *log.Logger
- level uint32
+func NewJsonLogger() *JsonLogger {
+ return &JsonLogger{}
}
-func (t *stdLogSystem) LogPrint(level LogLevel, msg string) {
- t.logger.Print(msg)
-}
+func (logger *JsonLogger) LogJson(v JsonLog) {
+ msgname := v.EventName()
+ obj := map[string]interface{}{
+ msgname: v,
+ }
-func (t *stdLogSystem) SetLogLevel(i LogLevel) {
- atomic.StoreUint32(&t.level, uint32(i))
-}
+ jsontxt, _ := json.Marshal(obj)
+ logMessageC <- message{JsonLevel, string(jsontxt)}
-func (t *stdLogSystem) GetLogLevel() LogLevel {
- return LogLevel(atomic.LoadUint32(&t.level))
}