intermediate changes

ref:cde9a383711a11544ce7e107a78147fb96cc4029

1 files changed, 43 insertions, 0 deletions

diff --git a/library/cpp/grpc/server/logger.h b/library/cpp/grpc/server/logger.h
new file mode 100644
index 00000000000..53af26be9c5
--- /dev/null
+++ b/library/cpp/grpc/server/logger.h
@@ -0,0 +1,43 @@
+#pragma once
+
+#include <library/cpp/logger/priority.h>
+
+#include <util/generic/ptr.h>
+
+namespace NGrpc {
+
+class TLogger: public TThrRefBase {
+protected:
+    TLogger() = default;
+
+public:
+    [[nodiscard]]
+    bool IsEnabled(ELogPriority priority) const noexcept {
+        return DoIsEnabled(priority);
+    }
+
+    void Y_PRINTF_FORMAT(3, 4) Write(ELogPriority priority, const char* format, ...) noexcept {
+        va_list args;
+        va_start(args, format);
+        DoWrite(priority, format, args);
+        va_end(args);
+    }
+
+protected:
+    virtual bool DoIsEnabled(ELogPriority priority) const noexcept = 0;
+    virtual void DoWrite(ELogPriority p, const char* format, va_list args) noexcept  = 0;
+};
+
+using TLoggerPtr = TIntrusivePtr<TLogger>;
+
+#define GRPC_LOG_DEBUG(logger, format, ...) \
+    if (logger && logger->IsEnabled(ELogPriority::TLOG_DEBUG)) { \
+        logger->Write(ELogPriority::TLOG_DEBUG, format, __VA_ARGS__); \
+    } else { }
+
+#define GRPC_LOG_INFO(logger, format, ...) \
+    if (logger && logger->IsEnabled(ELogPriority::TLOG_INFO)) { \
+        logger->Write(ELogPriority::TLOG_INFO, format, __VA_ARGS__); \
+    } else { }
+
+} // namespace NGrpc