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-rw-r--r--logger/log.go2
-rw-r--r--logger/logsystem.go24
-rw-r--r--logger/sys.go3
3 files changed, 27 insertions, 2 deletions
diff --git a/logger/log.go b/logger/log.go
index 2dbec86de..fab004d0a 100644
--- a/logger/log.go
+++ b/logger/log.go
@@ -30,6 +30,8 @@ func New(datadir string, logFile string, logLevel int, logFormat string) LogSyst
switch logFormat {
case "raw":
sys = NewRawLogSystem(writer, 0, LogLevel(logLevel))
+ case "json":
+ sys = NewJsonLogSystem(writer, 0, LogLevel(logLevel))
default:
sys = NewStdLogSystem(writer, log.LstdFlags, LogLevel(logLevel))
}
diff --git a/logger/logsystem.go b/logger/logsystem.go
index 8458b938f..1318a9f96 100644
--- a/logger/logsystem.go
+++ b/logger/logsystem.go
@@ -61,3 +61,27 @@ func (t *rawLogSystem) SetLogLevel(i LogLevel) {
func (t *rawLogSystem) GetLogLevel() LogLevel {
return LogLevel(atomic.LoadUint32(&t.level))
}
+
+// NewRawLogSystem creates a LogSystem that prints to the given writer without
+// adding extra information. Suitable for preformatted output
+func NewJsonLogSystem(writer io.Writer, flags int, level LogLevel) LogSystem {
+ logger := log.New(writer, "", 0)
+ return &jsonLogSystem{logger, uint32(level)}
+}
+
+type jsonLogSystem struct {
+ logger *log.Logger
+ level uint32
+}
+
+func (t *jsonLogSystem) LogPrint(level LogLevel, msg string) {
+ t.logger.Print(msg)
+}
+
+func (t *jsonLogSystem) SetLogLevel(i LogLevel) {
+ atomic.StoreUint32(&t.level, uint32(i))
+}
+
+func (t *jsonLogSystem) GetLogLevel() LogLevel {
+ return LogLevel(atomic.LoadUint32(&t.level))
+}
diff --git a/logger/sys.go b/logger/sys.go
index bd826b587..db4251a52 100644
--- a/logger/sys.go
+++ b/logger/sys.go
@@ -76,8 +76,7 @@ func dispatchLoop() {
func sysLoop(sys LogSystem, in <-chan message, wg *sync.WaitGroup) {
for msg := range in {
switch sys.(type) {
- case *rawLogSystem:
- // This is a semantic hack since rawLogSystem has little to do with JsonLevel
+ case *jsonLogSystem:
if msg.level == JsonLevel {
sys.LogPrint(msg.level, msg.msg)
}