1 files changed, 30 insertions, 0 deletions
diff --git a/src/rocksdb/util/stderr_logger.cc b/src/rocksdb/util/stderr_logger.cc
new file mode 100644
index 000000000..6044b8b93
--- /dev/null
+++ b/src/rocksdb/util/stderr_logger.cc
@@ -0,0 +1,30 @@
+//  Copyright (c) Meta Platforms, Inc. and affiliates.
+//
+//  This source code is licensed under both the GPLv2 (found in the
+//  COPYING file in the root directory) and Apache 2.0 License
+//  (found in the LICENSE.Apache file in the root directory).
+
+#include "util/stderr_logger.h"
+
+#include "port/sys_time.h"
+
+namespace ROCKSDB_NAMESPACE {
+StderrLogger::~StderrLogger() {}
+
+void StderrLogger::Logv(const char* format, va_list ap) {
+  const uint64_t thread_id = Env::Default()->GetThreadID();
+
+  port::TimeVal now_tv;
+  port::GetTimeOfDay(&now_tv, nullptr);
+  const time_t seconds = now_tv.tv_sec;
+  struct tm t;
+  port::LocalTimeR(&seconds, &t);
+  fprintf(stderr, "%04d/%02d/%02d-%02d:%02d:%02d.%06d %llx ", t.tm_year + 1900,
+          t.tm_mon + 1, t.tm_mday, t.tm_hour, t.tm_min, t.tm_sec,
+          static_cast<int>(now_tv.tv_usec),
+          static_cast<long long unsigned int>(thread_id));
+
+  vfprintf(stderr, format, ap);
+  fprintf(stderr, "\n");
+}
+}  // namespace ROCKSDB_NAMESPACE