1 files changed, 127 insertions, 0 deletions
diff --git a/src/rocksdb/java/rocksjni/ratelimiterjni.cc b/src/rocksdb/java/rocksjni/ratelimiterjni.cc
new file mode 100644
index 000000000..96b440dcc
--- /dev/null
+++ b/src/rocksdb/java/rocksjni/ratelimiterjni.cc
@@ -0,0 +1,127 @@
+// Copyright (c) 2011-present, Facebook, Inc.  All rights reserved.
+//  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).
+//
+// This file implements the "bridge" between Java and C++ for RateLimiter.
+
+#include "include/org_rocksdb_RateLimiter.h"
+#include "rocksdb/rate_limiter.h"
+#include "rocksjni/portal.h"
+
+/*
+ * Class:     org_rocksdb_RateLimiter
+ * Method:    newRateLimiterHandle
+ * Signature: (JJIBZ)J
+ */
+jlong Java_org_rocksdb_RateLimiter_newRateLimiterHandle(
+    JNIEnv* /*env*/, jclass /*jclazz*/, jlong jrate_bytes_per_second,
+    jlong jrefill_period_micros, jint jfairness, jbyte jrate_limiter_mode,
+    jboolean jauto_tune) {
+  auto rate_limiter_mode =
+      ROCKSDB_NAMESPACE::RateLimiterModeJni::toCppRateLimiterMode(
+          jrate_limiter_mode);
+  auto* sptr_rate_limiter = new std::shared_ptr<ROCKSDB_NAMESPACE::RateLimiter>(
+      ROCKSDB_NAMESPACE::NewGenericRateLimiter(
+          static_cast<int64_t>(jrate_bytes_per_second),
+          static_cast<int64_t>(jrefill_period_micros),
+          static_cast<int32_t>(jfairness), rate_limiter_mode, jauto_tune));
+
+  return reinterpret_cast<jlong>(sptr_rate_limiter);
+}
+
+/*
+ * Class:     org_rocksdb_RateLimiter
+ * Method:    disposeInternal
+ * Signature: (J)V
+ */
+void Java_org_rocksdb_RateLimiter_disposeInternal(JNIEnv* /*env*/,
+                                                  jobject /*jobj*/,
+                                                  jlong jhandle) {
+  auto* handle =
+      reinterpret_cast<std::shared_ptr<ROCKSDB_NAMESPACE::RateLimiter>*>(
+          jhandle);
+  delete handle;  // delete std::shared_ptr
+}
+
+/*
+ * Class:     org_rocksdb_RateLimiter
+ * Method:    setBytesPerSecond
+ * Signature: (JJ)V
+ */
+void Java_org_rocksdb_RateLimiter_setBytesPerSecond(JNIEnv* /*env*/,
+                                                    jobject /*jobj*/,
+                                                    jlong handle,
+                                                    jlong jbytes_per_second) {
+  reinterpret_cast<std::shared_ptr<ROCKSDB_NAMESPACE::RateLimiter>*>(handle)
+      ->get()
+      ->SetBytesPerSecond(jbytes_per_second);
+}
+
+/*
+ * Class:     org_rocksdb_RateLimiter
+ * Method:    getBytesPerSecond
+ * Signature: (J)J
+ */
+jlong Java_org_rocksdb_RateLimiter_getBytesPerSecond(JNIEnv* /*env*/,
+                                                     jobject /*jobj*/,
+                                                     jlong handle) {
+  return reinterpret_cast<std::shared_ptr<ROCKSDB_NAMESPACE::RateLimiter>*>(
+             handle)
+      ->get()
+      ->GetBytesPerSecond();
+}
+
+/*
+ * Class:     org_rocksdb_RateLimiter
+ * Method:    request
+ * Signature: (JJ)V
+ */
+void Java_org_rocksdb_RateLimiter_request(JNIEnv* /*env*/, jobject /*jobj*/,
+                                          jlong handle, jlong jbytes) {
+  reinterpret_cast<std::shared_ptr<ROCKSDB_NAMESPACE::RateLimiter>*>(handle)
+      ->get()
+      ->Request(jbytes, ROCKSDB_NAMESPACE::Env::IO_TOTAL);
+}
+
+/*
+ * Class:     org_rocksdb_RateLimiter
+ * Method:    getSingleBurstBytes
+ * Signature: (J)J
+ */
+jlong Java_org_rocksdb_RateLimiter_getSingleBurstBytes(JNIEnv* /*env*/,
+                                                       jobject /*jobj*/,
+                                                       jlong handle) {
+  return reinterpret_cast<std::shared_ptr<ROCKSDB_NAMESPACE::RateLimiter>*>(
+             handle)
+      ->get()
+      ->GetSingleBurstBytes();
+}
+
+/*
+ * Class:     org_rocksdb_RateLimiter
+ * Method:    getTotalBytesThrough
+ * Signature: (J)J
+ */
+jlong Java_org_rocksdb_RateLimiter_getTotalBytesThrough(JNIEnv* /*env*/,
+                                                        jobject /*jobj*/,
+                                                        jlong handle) {
+  return reinterpret_cast<std::shared_ptr<ROCKSDB_NAMESPACE::RateLimiter>*>(
+             handle)
+      ->get()
+      ->GetTotalBytesThrough();
+}
+
+/*
+ * Class:     org_rocksdb_RateLimiter
+ * Method:    getTotalRequests
+ * Signature: (J)J
+ */
+jlong Java_org_rocksdb_RateLimiter_getTotalRequests(JNIEnv* /*env*/,
+                                                    jobject /*jobj*/,
+                                                    jlong handle) {
+  return reinterpret_cast<std::shared_ptr<ROCKSDB_NAMESPACE::RateLimiter>*>(
+             handle)
+      ->get()
+      ->GetTotalRequests();
+}