Final part on compatibility layer: LOGBROKER-7215

ref:777c67aadbf705d19034a09a792b2df61ba53697

1 files changed, 42 insertions, 0 deletions

diff --git a/kikimr/persqueue/sdk/deprecated/cpp/v2/logger.h b/kikimr/persqueue/sdk/deprecated/cpp/v2/logger.h
new file mode 100644
index 0000000000..bb3320d795
--- /dev/null
+++ b/kikimr/persqueue/sdk/deprecated/cpp/v2/logger.h
@@ -0,0 +1,42 @@
+#pragma once
+#include <util/generic/ptr.h>
+#include <util/generic/string.h>
+
+namespace NPersQueue {
+
+class ILogger : public TAtomicRefCount<ILogger> {
+public:
+    virtual ~ILogger() = default;
+    //level = syslog level
+    virtual void Log(const TString& msg, const TString& sourceId, const TString& sessionId, int level) = 0;
+    virtual bool IsEnabled(int level) const = 0;
+};
+
+class TCerrLogger : public ILogger {
+public:
+    explicit TCerrLogger(int level)
+        : Level(level)
+    {
+    }
+
+    ~TCerrLogger() override = default;
+
+    void Log(const TString& msg, const TString& sourceId, const TString& sessionId, int level) override;
+
+    bool IsEnabled(int level) const override
+    {
+        return level <= Level;
+    }
+
+    int GetLevel() const {
+        return Level;
+    }
+
+private:
+    static TStringBuf LevelToString(int level);
+
+private:
+    int Level;
+};
+
+}