1 files changed, 43 insertions, 0 deletions
diff --git a/bridge/matrix/zerolog_abstraction.go b/bridge/matrix/zerolog_abstraction.go
new file mode 100644
index 00000000..3d74a4e0
--- /dev/null
+++ b/bridge/matrix/zerolog_abstraction.go
@@ -0,0 +1,43 @@
+package bmatrix
+
+import (
+	"errors"
+
+	"github.com/sirupsen/logrus"
+
+	"github.com/rs/zerolog"
+)
+
+var levels_zerolog2logrus = map[zerolog.Level]logrus.Level{
+	zerolog.DebugLevel: logrus.DebugLevel,
+	zerolog.InfoLevel:  logrus.InfoLevel,
+	zerolog.WarnLevel:  logrus.WarnLevel,
+	zerolog.FatalLevel: logrus.FatalLevel,
+	zerolog.PanicLevel: logrus.PanicLevel,
+	zerolog.ErrorLevel: logrus.ErrorLevel,
+	zerolog.TraceLevel: logrus.TraceLevel,
+}
+
+// an abstraction for zerolog so we can pipe its output to logrus.Entry, that is used in matterbridge
+type zerologWrapper struct {
+	inner *logrus.Entry
+}
+
+func (w zerologWrapper) Write(p []byte) (n int, err error) {
+	return w.inner.Logger.Writer().Write(p)
+}
+
+func (w zerologWrapper) WriteLevel(level zerolog.Level, p []byte) (n int, err error) {
+	if logrus_level, present := levels_zerolog2logrus[level]; present {
+		return w.inner.Logger.WriterLevel(logrus_level).Write(p)
+	}
+	// drop the message if we haven't a matching level
+	return 0, errors.New("Unsupported logging level")
+}
+
+func NewZerologWrapper(entry *logrus.Entry) zerolog.Logger {
+	wrapper := zerologWrapper{inner: entry}
+	log := zerolog.New(wrapper)
+
+	return log
+}