mirror of
https://github.com/facebook/rocksdb.git
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0bf9079d44
Summary: This should give us some performance benefit calling native C++ code. Closes https://github.com/facebook/rocksdb/issues/4786 See https://github.com/evolvedbinary/jni-benchmarks/ for more info. Pull Request resolved: https://github.com/facebook/rocksdb/pull/11882 Reviewed By: pdillinger Differential Revision: D53066207 Pulled By: ajkr fbshipit-source-id: daedef185215d0d8e791cd85bef598900bcb5bf2
129 lines
4.4 KiB
C++
129 lines
4.4 KiB
C++
// Copyright (c) 2011-present, Facebook, Inc. All rights reserved.
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// This source code is licensed under both the GPLv2 (found in the
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// COPYING file in the root directory) and Apache 2.0 License
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// (found in the LICENSE.Apache file in the root directory).
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//
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// This file implements the "bridge" between Java and C++ for RateLimiter.
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#include "include/org_rocksdb_RateLimiter.h"
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#include "rocksdb/rate_limiter.h"
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#include "rocksjni/cplusplus_to_java_convert.h"
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#include "rocksjni/portal.h"
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/*
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* Class: org_rocksdb_RateLimiter
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* Method: newRateLimiterHandle
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* Signature: (JJIBZ)J
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*/
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jlong Java_org_rocksdb_RateLimiter_newRateLimiterHandle(
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JNIEnv* /*env*/, jclass /*jclazz*/, jlong jrate_bytes_per_second,
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jlong jrefill_period_micros, jint jfairness, jbyte jrate_limiter_mode,
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jboolean jauto_tune) {
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auto rate_limiter_mode =
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ROCKSDB_NAMESPACE::RateLimiterModeJni::toCppRateLimiterMode(
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jrate_limiter_mode);
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auto* sptr_rate_limiter = new std::shared_ptr<ROCKSDB_NAMESPACE::RateLimiter>(
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ROCKSDB_NAMESPACE::NewGenericRateLimiter(
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static_cast<int64_t>(jrate_bytes_per_second),
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static_cast<int64_t>(jrefill_period_micros),
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static_cast<int32_t>(jfairness), rate_limiter_mode, jauto_tune));
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return GET_CPLUSPLUS_POINTER(sptr_rate_limiter);
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}
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/*
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* Class: org_rocksdb_RateLimiter
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* Method: disposeInternal
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* Signature: (J)V
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*/
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void Java_org_rocksdb_RateLimiter_disposeInternalJni(JNIEnv* /*env*/,
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jclass /*jcls*/,
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jlong jhandle) {
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auto* handle =
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reinterpret_cast<std::shared_ptr<ROCKSDB_NAMESPACE::RateLimiter>*>(
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jhandle);
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delete handle; // delete std::shared_ptr
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}
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/*
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* Class: org_rocksdb_RateLimiter
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* Method: setBytesPerSecond
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* Signature: (JJ)V
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*/
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void Java_org_rocksdb_RateLimiter_setBytesPerSecond(JNIEnv* /*env*/,
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jclass /*jcls*/,
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jlong handle,
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jlong jbytes_per_second) {
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reinterpret_cast<std::shared_ptr<ROCKSDB_NAMESPACE::RateLimiter>*>(handle)
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->get()
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->SetBytesPerSecond(jbytes_per_second);
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}
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/*
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* Class: org_rocksdb_RateLimiter
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* Method: getBytesPerSecond
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* Signature: (J)J
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*/
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jlong Java_org_rocksdb_RateLimiter_getBytesPerSecond(JNIEnv* /*env*/,
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jclass /*jcls*/,
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jlong handle) {
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return reinterpret_cast<std::shared_ptr<ROCKSDB_NAMESPACE::RateLimiter>*>(
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handle)
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->get()
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->GetBytesPerSecond();
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}
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/*
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* Class: org_rocksdb_RateLimiter
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* Method: request
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* Signature: (JJ)V
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*/
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void Java_org_rocksdb_RateLimiter_request(JNIEnv* /*env*/, jclass /*jcls*/,
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jlong handle, jlong jbytes) {
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reinterpret_cast<std::shared_ptr<ROCKSDB_NAMESPACE::RateLimiter>*>(handle)
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->get()
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->Request(jbytes, ROCKSDB_NAMESPACE::Env::IO_TOTAL);
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}
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/*
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* Class: org_rocksdb_RateLimiter
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* Method: getSingleBurstBytes
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* Signature: (J)J
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*/
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jlong Java_org_rocksdb_RateLimiter_getSingleBurstBytes(JNIEnv* /*env*/,
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jclass /*jcls*/,
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jlong handle) {
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return reinterpret_cast<std::shared_ptr<ROCKSDB_NAMESPACE::RateLimiter>*>(
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handle)
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->get()
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->GetSingleBurstBytes();
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}
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/*
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* Class: org_rocksdb_RateLimiter
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* Method: getTotalBytesThrough
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* Signature: (J)J
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*/
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jlong Java_org_rocksdb_RateLimiter_getTotalBytesThrough(JNIEnv* /*env*/,
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jclass /*jcls*/,
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jlong handle) {
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return reinterpret_cast<std::shared_ptr<ROCKSDB_NAMESPACE::RateLimiter>*>(
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handle)
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->get()
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->GetTotalBytesThrough();
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}
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/*
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* Class: org_rocksdb_RateLimiter
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* Method: getTotalRequests
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* Signature: (J)J
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*/
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jlong Java_org_rocksdb_RateLimiter_getTotalRequests(JNIEnv* /*env*/,
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jclass /*jcls*/,
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jlong handle) {
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return reinterpret_cast<std::shared_ptr<ROCKSDB_NAMESPACE::RateLimiter>*>(
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handle)
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->get()
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->GetTotalRequests();
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}
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