1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
|
// 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++ and enables
// calling C++ ROCKSDB_NAMESPACE::SstFileManager methods
// from Java side.
#include "rocksdb/sst_file_manager.h"
#include <jni.h>
#include <memory>
#include "include/org_rocksdb_SstFileManager.h"
#include "rocksjni/cplusplus_to_java_convert.h"
#include "rocksjni/portal.h"
/*
* Class: org_rocksdb_SstFileManager
* Method: newSstFileManager
* Signature: (JJJDJ)J
*/
jlong Java_org_rocksdb_SstFileManager_newSstFileManager(
JNIEnv* jnienv, jclass /*jcls*/, jlong jenv_handle, jlong jlogger_handle,
jlong jrate_bytes, jdouble jmax_trash_db_ratio,
jlong jmax_delete_chunk_bytes) {
auto* env = reinterpret_cast<ROCKSDB_NAMESPACE::Env*>(jenv_handle);
ROCKSDB_NAMESPACE::Status s;
ROCKSDB_NAMESPACE::SstFileManager* sst_file_manager = nullptr;
if (jlogger_handle != 0) {
auto* sptr_logger =
reinterpret_cast<std::shared_ptr<ROCKSDB_NAMESPACE::Logger>*>(
jlogger_handle);
sst_file_manager = ROCKSDB_NAMESPACE::NewSstFileManager(
env, *sptr_logger, "", jrate_bytes, true, &s, jmax_trash_db_ratio,
jmax_delete_chunk_bytes);
} else {
sst_file_manager = ROCKSDB_NAMESPACE::NewSstFileManager(
env, nullptr, "", jrate_bytes, true, &s, jmax_trash_db_ratio,
jmax_delete_chunk_bytes);
}
if (!s.ok()) {
if (sst_file_manager != nullptr) {
delete sst_file_manager;
}
ROCKSDB_NAMESPACE::RocksDBExceptionJni::ThrowNew(jnienv, s);
}
auto* sptr_sst_file_manager =
new std::shared_ptr<ROCKSDB_NAMESPACE::SstFileManager>(sst_file_manager);
return GET_CPLUSPLUS_POINTER(sptr_sst_file_manager);
}
/*
* Class: org_rocksdb_SstFileManager
* Method: setMaxAllowedSpaceUsage
* Signature: (JJ)V
*/
void Java_org_rocksdb_SstFileManager_setMaxAllowedSpaceUsage(
JNIEnv* /*env*/, jclass /*jcls*/, jlong jhandle, jlong jmax_allowed_space) {
auto* sptr_sst_file_manager =
reinterpret_cast<std::shared_ptr<ROCKSDB_NAMESPACE::SstFileManager>*>(
jhandle);
sptr_sst_file_manager->get()->SetMaxAllowedSpaceUsage(jmax_allowed_space);
}
/*
* Class: org_rocksdb_SstFileManager
* Method: setCompactionBufferSize
* Signature: (JJ)V
*/
void Java_org_rocksdb_SstFileManager_setCompactionBufferSize(
JNIEnv* /*env*/, jclass /*jcls*/, jlong jhandle,
jlong jcompaction_buffer_size) {
auto* sptr_sst_file_manager =
reinterpret_cast<std::shared_ptr<ROCKSDB_NAMESPACE::SstFileManager>*>(
jhandle);
sptr_sst_file_manager->get()->SetCompactionBufferSize(
jcompaction_buffer_size);
}
/*
* Class: org_rocksdb_SstFileManager
* Method: isMaxAllowedSpaceReached
* Signature: (J)Z
*/
jboolean Java_org_rocksdb_SstFileManager_isMaxAllowedSpaceReached(
JNIEnv* /*env*/, jclass /*jcls*/, jlong jhandle) {
auto* sptr_sst_file_manager =
reinterpret_cast<std::shared_ptr<ROCKSDB_NAMESPACE::SstFileManager>*>(
jhandle);
return sptr_sst_file_manager->get()->IsMaxAllowedSpaceReached();
}
/*
* Class: org_rocksdb_SstFileManager
* Method: isMaxAllowedSpaceReachedIncludingCompactions
* Signature: (J)Z
*/
jboolean
Java_org_rocksdb_SstFileManager_isMaxAllowedSpaceReachedIncludingCompactions(
JNIEnv* /*env*/, jclass /*jcls*/, jlong jhandle) {
auto* sptr_sst_file_manager =
reinterpret_cast<std::shared_ptr<ROCKSDB_NAMESPACE::SstFileManager>*>(
jhandle);
return sptr_sst_file_manager->get()
->IsMaxAllowedSpaceReachedIncludingCompactions();
}
/*
* Class: org_rocksdb_SstFileManager
* Method: getTotalSize
* Signature: (J)J
*/
jlong Java_org_rocksdb_SstFileManager_getTotalSize(JNIEnv* /*env*/,
jclass /*jcls*/,
jlong jhandle) {
auto* sptr_sst_file_manager =
reinterpret_cast<std::shared_ptr<ROCKSDB_NAMESPACE::SstFileManager>*>(
jhandle);
return sptr_sst_file_manager->get()->GetTotalSize();
}
/*
* Class: org_rocksdb_SstFileManager
* Method: getTrackedFiles
* Signature: (J)Ljava/util/Map;
*/
jobject Java_org_rocksdb_SstFileManager_getTrackedFiles(JNIEnv* env,
jclass /*jcls*/,
jlong jhandle) {
auto* sptr_sst_file_manager =
reinterpret_cast<std::shared_ptr<ROCKSDB_NAMESPACE::SstFileManager>*>(
jhandle);
auto tracked_files = sptr_sst_file_manager->get()->GetTrackedFiles();
// TODO(AR) could refactor to share code with
// ROCKSDB_NAMESPACE::HashMapJni::fromCppMap(env, tracked_files);
const jobject jtracked_files = ROCKSDB_NAMESPACE::HashMapJni::construct(
env, static_cast<uint32_t>(tracked_files.size()));
if (jtracked_files == nullptr) {
// exception occurred
return nullptr;
}
const ROCKSDB_NAMESPACE::HashMapJni::FnMapKV<const std::string,
const uint64_t, jobject, jobject>
fn_map_kv =
[env](const std::pair<const std::string, const uint64_t>& pair) {
const jstring jtracked_file_path =
env->NewStringUTF(pair.first.c_str());
if (jtracked_file_path == nullptr) {
// an error occurred
return std::unique_ptr<std::pair<jobject, jobject>>(nullptr);
}
const jobject jtracked_file_size =
ROCKSDB_NAMESPACE::LongJni::valueOf(env, pair.second);
if (jtracked_file_size == nullptr) {
// an error occurred
return std::unique_ptr<std::pair<jobject, jobject>>(nullptr);
}
return std::unique_ptr<std::pair<jobject, jobject>>(
new std::pair<jobject, jobject>(jtracked_file_path,
jtracked_file_size));
};
if (!ROCKSDB_NAMESPACE::HashMapJni::putAll(env, jtracked_files,
tracked_files.begin(),
tracked_files.end(), fn_map_kv)) {
// exception occcurred
return nullptr;
}
return jtracked_files;
}
/*
* Class: org_rocksdb_SstFileManager
* Method: getDeleteRateBytesPerSecond
* Signature: (J)J
*/
jlong Java_org_rocksdb_SstFileManager_getDeleteRateBytesPerSecond(
JNIEnv* /*env*/, jclass /*jcls*/, jlong jhandle) {
auto* sptr_sst_file_manager =
reinterpret_cast<std::shared_ptr<ROCKSDB_NAMESPACE::SstFileManager>*>(
jhandle);
return sptr_sst_file_manager->get()->GetDeleteRateBytesPerSecond();
}
/*
* Class: org_rocksdb_SstFileManager
* Method: setDeleteRateBytesPerSecond
* Signature: (JJ)V
*/
void Java_org_rocksdb_SstFileManager_setDeleteRateBytesPerSecond(
JNIEnv* /*env*/, jclass /*jcls*/, jlong jhandle, jlong jdelete_rate) {
auto* sptr_sst_file_manager =
reinterpret_cast<std::shared_ptr<ROCKSDB_NAMESPACE::SstFileManager>*>(
jhandle);
sptr_sst_file_manager->get()->SetDeleteRateBytesPerSecond(jdelete_rate);
}
/*
* Class: org_rocksdb_SstFileManager
* Method: getMaxTrashDBRatio
* Signature: (J)D
*/
jdouble Java_org_rocksdb_SstFileManager_getMaxTrashDBRatio(JNIEnv* /*env*/,
jclass /*jcls*/,
jlong jhandle) {
auto* sptr_sst_file_manager =
reinterpret_cast<std::shared_ptr<ROCKSDB_NAMESPACE::SstFileManager>*>(
jhandle);
return sptr_sst_file_manager->get()->GetMaxTrashDBRatio();
}
/*
* Class: org_rocksdb_SstFileManager
* Method: setMaxTrashDBRatio
* Signature: (JD)V
*/
void Java_org_rocksdb_SstFileManager_setMaxTrashDBRatio(JNIEnv* /*env*/,
jclass /*jcls*/,
jlong jhandle,
jdouble jratio) {
auto* sptr_sst_file_manager =
reinterpret_cast<std::shared_ptr<ROCKSDB_NAMESPACE::SstFileManager>*>(
jhandle);
sptr_sst_file_manager->get()->SetMaxTrashDBRatio(jratio);
}
/*
* Class: org_rocksdb_SstFileManager
* Method: disposeInternal
* Signature: (J)V
*/
void Java_org_rocksdb_SstFileManager_disposeInternalJni(JNIEnv* /*env*/,
jclass /*cls*/,
jlong jhandle) {
auto* sptr_sst_file_manager =
reinterpret_cast<std::shared_ptr<ROCKSDB_NAMESPACE::SstFileManager>*>(
jhandle);
delete sptr_sst_file_manager;
}
|
