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