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1 | // Copyright (c) 2011-present, Facebook, Inc. All rights reserved. |
2 | // This source code is licensed under both the GPLv2 (found in the | |
3 | // COPYING file in the root directory) and Apache 2.0 License | |
4 | // (found in the LICENSE.Apache file in the root directory). | |
5 | // | |
6 | // This file implements the "bridge" between Java and C++ and enables | |
f67539c2 | 7 | // calling C++ ROCKSDB_NAMESPACE::SstFileManager methods |
11fdf7f2 TL |
8 | // from Java side. |
9 | ||
10 | #include <jni.h> | |
11 | #include <memory> | |
12 | ||
13 | #include "include/org_rocksdb_SstFileManager.h" | |
14 | #include "rocksdb/sst_file_manager.h" | |
15 | #include "rocksjni/portal.h" | |
16 | ||
17 | /* | |
18 | * Class: org_rocksdb_SstFileManager | |
19 | * Method: newSstFileManager | |
20 | * Signature: (JJJDJ)J | |
21 | */ | |
22 | jlong Java_org_rocksdb_SstFileManager_newSstFileManager( | |
23 | JNIEnv* jnienv, jclass /*jcls*/, jlong jenv_handle, jlong jlogger_handle, | |
24 | jlong jrate_bytes, jdouble jmax_trash_db_ratio, | |
25 | jlong jmax_delete_chunk_bytes) { | |
f67539c2 TL |
26 | auto* env = reinterpret_cast<ROCKSDB_NAMESPACE::Env*>(jenv_handle); |
27 | ROCKSDB_NAMESPACE::Status s; | |
28 | ROCKSDB_NAMESPACE::SstFileManager* sst_file_manager = nullptr; | |
11fdf7f2 TL |
29 | |
30 | if (jlogger_handle != 0) { | |
31 | auto* sptr_logger = | |
f67539c2 TL |
32 | reinterpret_cast<std::shared_ptr<ROCKSDB_NAMESPACE::Logger>*>( |
33 | jlogger_handle); | |
34 | sst_file_manager = ROCKSDB_NAMESPACE::NewSstFileManager( | |
11fdf7f2 TL |
35 | env, *sptr_logger, "", jrate_bytes, true, &s, jmax_trash_db_ratio, |
36 | jmax_delete_chunk_bytes); | |
37 | } else { | |
f67539c2 TL |
38 | sst_file_manager = ROCKSDB_NAMESPACE::NewSstFileManager( |
39 | env, nullptr, "", jrate_bytes, true, &s, jmax_trash_db_ratio, | |
40 | jmax_delete_chunk_bytes); | |
11fdf7f2 TL |
41 | } |
42 | ||
43 | if (!s.ok()) { | |
44 | if (sst_file_manager != nullptr) { | |
45 | delete sst_file_manager; | |
46 | } | |
f67539c2 | 47 | ROCKSDB_NAMESPACE::RocksDBExceptionJni::ThrowNew(jnienv, s); |
11fdf7f2 TL |
48 | } |
49 | auto* sptr_sst_file_manager = | |
f67539c2 | 50 | new std::shared_ptr<ROCKSDB_NAMESPACE::SstFileManager>(sst_file_manager); |
11fdf7f2 TL |
51 | |
52 | return reinterpret_cast<jlong>(sptr_sst_file_manager); | |
53 | } | |
54 | ||
55 | /* | |
56 | * Class: org_rocksdb_SstFileManager | |
57 | * Method: setMaxAllowedSpaceUsage | |
58 | * Signature: (JJ)V | |
59 | */ | |
60 | void Java_org_rocksdb_SstFileManager_setMaxAllowedSpaceUsage( | |
61 | JNIEnv* /*env*/, jobject /*jobj*/, jlong jhandle, | |
62 | jlong jmax_allowed_space) { | |
63 | auto* sptr_sst_file_manager = | |
f67539c2 TL |
64 | reinterpret_cast<std::shared_ptr<ROCKSDB_NAMESPACE::SstFileManager>*>( |
65 | jhandle); | |
11fdf7f2 TL |
66 | sptr_sst_file_manager->get()->SetMaxAllowedSpaceUsage(jmax_allowed_space); |
67 | } | |
68 | ||
69 | /* | |
70 | * Class: org_rocksdb_SstFileManager | |
71 | * Method: setCompactionBufferSize | |
72 | * Signature: (JJ)V | |
73 | */ | |
74 | void Java_org_rocksdb_SstFileManager_setCompactionBufferSize( | |
75 | JNIEnv* /*env*/, jobject /*jobj*/, jlong jhandle, | |
76 | jlong jcompaction_buffer_size) { | |
77 | auto* sptr_sst_file_manager = | |
f67539c2 TL |
78 | reinterpret_cast<std::shared_ptr<ROCKSDB_NAMESPACE::SstFileManager>*>( |
79 | jhandle); | |
11fdf7f2 TL |
80 | sptr_sst_file_manager->get()->SetCompactionBufferSize( |
81 | jcompaction_buffer_size); | |
82 | } | |
83 | ||
84 | /* | |
85 | * Class: org_rocksdb_SstFileManager | |
86 | * Method: isMaxAllowedSpaceReached | |
87 | * Signature: (J)Z | |
88 | */ | |
89 | jboolean Java_org_rocksdb_SstFileManager_isMaxAllowedSpaceReached( | |
90 | JNIEnv* /*env*/, jobject /*jobj*/, jlong jhandle) { | |
91 | auto* sptr_sst_file_manager = | |
f67539c2 TL |
92 | reinterpret_cast<std::shared_ptr<ROCKSDB_NAMESPACE::SstFileManager>*>( |
93 | jhandle); | |
11fdf7f2 TL |
94 | return sptr_sst_file_manager->get()->IsMaxAllowedSpaceReached(); |
95 | } | |
96 | ||
97 | /* | |
98 | * Class: org_rocksdb_SstFileManager | |
99 | * Method: isMaxAllowedSpaceReachedIncludingCompactions | |
100 | * Signature: (J)Z | |
101 | */ | |
102 | jboolean | |
103 | Java_org_rocksdb_SstFileManager_isMaxAllowedSpaceReachedIncludingCompactions( | |
104 | JNIEnv* /*env*/, jobject /*jobj*/, jlong jhandle) { | |
105 | auto* sptr_sst_file_manager = | |
f67539c2 TL |
106 | reinterpret_cast<std::shared_ptr<ROCKSDB_NAMESPACE::SstFileManager>*>( |
107 | jhandle); | |
11fdf7f2 TL |
108 | return sptr_sst_file_manager->get() |
109 | ->IsMaxAllowedSpaceReachedIncludingCompactions(); | |
110 | } | |
111 | ||
112 | /* | |
113 | * Class: org_rocksdb_SstFileManager | |
114 | * Method: getTotalSize | |
115 | * Signature: (J)J | |
116 | */ | |
117 | jlong Java_org_rocksdb_SstFileManager_getTotalSize(JNIEnv* /*env*/, | |
118 | jobject /*jobj*/, | |
119 | jlong jhandle) { | |
120 | auto* sptr_sst_file_manager = | |
f67539c2 TL |
121 | reinterpret_cast<std::shared_ptr<ROCKSDB_NAMESPACE::SstFileManager>*>( |
122 | jhandle); | |
11fdf7f2 TL |
123 | return sptr_sst_file_manager->get()->GetTotalSize(); |
124 | } | |
125 | ||
126 | /* | |
127 | * Class: org_rocksdb_SstFileManager | |
128 | * Method: getTrackedFiles | |
129 | * Signature: (J)Ljava/util/Map; | |
130 | */ | |
131 | jobject Java_org_rocksdb_SstFileManager_getTrackedFiles(JNIEnv* env, | |
132 | jobject /*jobj*/, | |
133 | jlong jhandle) { | |
134 | auto* sptr_sst_file_manager = | |
f67539c2 TL |
135 | reinterpret_cast<std::shared_ptr<ROCKSDB_NAMESPACE::SstFileManager>*>( |
136 | jhandle); | |
11fdf7f2 TL |
137 | auto tracked_files = sptr_sst_file_manager->get()->GetTrackedFiles(); |
138 | ||
f67539c2 TL |
139 | // TODO(AR) could refactor to share code with |
140 | // ROCKSDB_NAMESPACE::HashMapJni::fromCppMap(env, tracked_files); | |
494da23a | 141 | |
f67539c2 | 142 | const jobject jtracked_files = ROCKSDB_NAMESPACE::HashMapJni::construct( |
11fdf7f2 TL |
143 | env, static_cast<uint32_t>(tracked_files.size())); |
144 | if (jtracked_files == nullptr) { | |
145 | // exception occurred | |
146 | return nullptr; | |
147 | } | |
148 | ||
f67539c2 TL |
149 | const ROCKSDB_NAMESPACE::HashMapJni::FnMapKV<const std::string, |
150 | const uint64_t, jobject, jobject> | |
11fdf7f2 TL |
151 | fn_map_kv = |
152 | [env](const std::pair<const std::string, const uint64_t>& pair) { | |
153 | const jstring jtracked_file_path = | |
154 | env->NewStringUTF(pair.first.c_str()); | |
155 | if (jtracked_file_path == nullptr) { | |
156 | // an error occurred | |
157 | return std::unique_ptr<std::pair<jobject, jobject>>(nullptr); | |
158 | } | |
159 | const jobject jtracked_file_size = | |
f67539c2 | 160 | ROCKSDB_NAMESPACE::LongJni::valueOf(env, pair.second); |
11fdf7f2 TL |
161 | if (jtracked_file_size == nullptr) { |
162 | // an error occurred | |
163 | return std::unique_ptr<std::pair<jobject, jobject>>(nullptr); | |
164 | } | |
165 | return std::unique_ptr<std::pair<jobject, jobject>>( | |
166 | new std::pair<jobject, jobject>(jtracked_file_path, | |
167 | jtracked_file_size)); | |
168 | }; | |
169 | ||
f67539c2 TL |
170 | if (!ROCKSDB_NAMESPACE::HashMapJni::putAll(env, jtracked_files, |
171 | tracked_files.begin(), | |
172 | tracked_files.end(), fn_map_kv)) { | |
11fdf7f2 TL |
173 | // exception occcurred |
174 | return nullptr; | |
175 | } | |
176 | ||
177 | return jtracked_files; | |
178 | } | |
179 | ||
180 | /* | |
181 | * Class: org_rocksdb_SstFileManager | |
182 | * Method: getDeleteRateBytesPerSecond | |
183 | * Signature: (J)J | |
184 | */ | |
185 | jlong Java_org_rocksdb_SstFileManager_getDeleteRateBytesPerSecond( | |
186 | JNIEnv* /*env*/, jobject /*jobj*/, jlong jhandle) { | |
187 | auto* sptr_sst_file_manager = | |
f67539c2 TL |
188 | reinterpret_cast<std::shared_ptr<ROCKSDB_NAMESPACE::SstFileManager>*>( |
189 | jhandle); | |
11fdf7f2 TL |
190 | return sptr_sst_file_manager->get()->GetDeleteRateBytesPerSecond(); |
191 | } | |
192 | ||
193 | /* | |
194 | * Class: org_rocksdb_SstFileManager | |
195 | * Method: setDeleteRateBytesPerSecond | |
196 | * Signature: (JJ)V | |
197 | */ | |
198 | void Java_org_rocksdb_SstFileManager_setDeleteRateBytesPerSecond( | |
199 | JNIEnv* /*env*/, jobject /*jobj*/, jlong jhandle, jlong jdelete_rate) { | |
200 | auto* sptr_sst_file_manager = | |
f67539c2 TL |
201 | reinterpret_cast<std::shared_ptr<ROCKSDB_NAMESPACE::SstFileManager>*>( |
202 | jhandle); | |
11fdf7f2 TL |
203 | sptr_sst_file_manager->get()->SetDeleteRateBytesPerSecond(jdelete_rate); |
204 | } | |
205 | ||
206 | /* | |
207 | * Class: org_rocksdb_SstFileManager | |
208 | * Method: getMaxTrashDBRatio | |
209 | * Signature: (J)D | |
210 | */ | |
211 | jdouble Java_org_rocksdb_SstFileManager_getMaxTrashDBRatio(JNIEnv* /*env*/, | |
212 | jobject /*jobj*/, | |
213 | jlong jhandle) { | |
214 | auto* sptr_sst_file_manager = | |
f67539c2 TL |
215 | reinterpret_cast<std::shared_ptr<ROCKSDB_NAMESPACE::SstFileManager>*>( |
216 | jhandle); | |
11fdf7f2 TL |
217 | return sptr_sst_file_manager->get()->GetMaxTrashDBRatio(); |
218 | } | |
219 | ||
220 | /* | |
221 | * Class: org_rocksdb_SstFileManager | |
222 | * Method: setMaxTrashDBRatio | |
223 | * Signature: (JD)V | |
224 | */ | |
225 | void Java_org_rocksdb_SstFileManager_setMaxTrashDBRatio(JNIEnv* /*env*/, | |
226 | jobject /*jobj*/, | |
227 | jlong jhandle, | |
228 | jdouble jratio) { | |
229 | auto* sptr_sst_file_manager = | |
f67539c2 TL |
230 | reinterpret_cast<std::shared_ptr<ROCKSDB_NAMESPACE::SstFileManager>*>( |
231 | jhandle); | |
11fdf7f2 TL |
232 | sptr_sst_file_manager->get()->SetMaxTrashDBRatio(jratio); |
233 | } | |
234 | ||
235 | /* | |
236 | * Class: org_rocksdb_SstFileManager | |
237 | * Method: disposeInternal | |
238 | * Signature: (J)V | |
239 | */ | |
240 | void Java_org_rocksdb_SstFileManager_disposeInternal(JNIEnv* /*env*/, | |
241 | jobject /*jobj*/, | |
242 | jlong jhandle) { | |
243 | auto* sptr_sst_file_manager = | |
f67539c2 TL |
244 | reinterpret_cast<std::shared_ptr<ROCKSDB_NAMESPACE::SstFileManager>*>( |
245 | jhandle); | |
11fdf7f2 TL |
246 | delete sptr_sst_file_manager; |
247 | } |