1 /*
2 * Copyright (C) 2021 Huawei Device Co., Ltd.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at
6 *
7 * http://www.apache.org/licenses/LICENSE-2.0
8 *
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
14 */
15
16 #include "ohos_rpc_message_option.h"
17 #include "ipc_debug.h"
18 #include "log_tags.h"
19
20 namespace OHOS {
21 struct JMessageOption {
22 jclass klazz;
23 jfieldID flagsField;
24 jfieldID waitTimeField;
25 jmethodID initMethod;
26 } g_jMessageOption;
27
28 static constexpr HiviewDFX::HiLogLabel LABEL = { LOG_CORE, LOG_ID_IPC_OTHER, "IPCJni" };
29 /*
30 * Get flags field from ohos.rpc.MessageOption.
31 */
JavaOhosRpcMessageOptionGetFlags(JNIEnv * env,jobject object)32 int JavaOhosRpcMessageOptionGetFlags(JNIEnv *env, jobject object)
33 {
34 ZLOGD(LABEL, "enter");
35 if ((g_jMessageOption.flagsField != nullptr) && (env != nullptr)) {
36 return env->GetIntField(object, g_jMessageOption.flagsField);
37 }
38 return JNI_OK;
39 }
40
41 /*
42 * Get wait time field from ohos.rpc.MessageOption.
43 */
JavaOhosRpcMessageOptionGetWaitTime(JNIEnv * env,jobject object)44 int JavaOhosRpcMessageOptionGetWaitTime(JNIEnv *env, jobject object)
45 {
46 ZLOGD(LABEL, "enter");
47 if ((g_jMessageOption.waitTimeField != nullptr) && (env != nullptr)) {
48 return env->GetIntField(object, g_jMessageOption.waitTimeField);
49 }
50 return JNI_OK;
51 }
52
53 /*
54 * Set flags to ohos.rpc.MessageOption
55 */
JavaOhosRpcMessageOptionSetFlags(JNIEnv * env,jobject object,int flags)56 void JavaOhosRpcMessageOptionSetFlags(JNIEnv *env, jobject object, int flags)
57 {
58 ZLOGD(LABEL, "enter");
59 if (env != nullptr) {
60 env->SetIntField(object, g_jMessageOption.flagsField, flags);
61 }
62 }
63
64 /*
65 * Set wait time to ohos.rpc.MessageOption
66 */
JavaOhosRpcMessageOptionSetWaitTime(JNIEnv * env,jobject object,int waitTime)67 void JavaOhosRpcMessageOptionSetWaitTime(JNIEnv *env, jobject object, int waitTime)
68 {
69 ZLOGD(LABEL, "waitTime:%{public}s", waitTime);
70 if (env != nullptr) {
71 env->SetIntField(object, g_jMessageOption.waitTimeField, waitTime);
72 }
73 }
74
75 /*
76 * Create java object for ohos.rpc.MessageOption.
77 */
JavaOhosRpcMessageOptionNewJavaObject(JNIEnv * env,int flags,int waitTime)78 jobject JavaOhosRpcMessageOptionNewJavaObject(JNIEnv *env, int flags, int waitTime)
79 {
80 ZLOGD(LABEL, "enter");
81 jobject option = nullptr;
82 if (env != nullptr) {
83 option = env->NewObject(g_jMessageOption.klazz, g_jMessageOption.initMethod, flags, waitTime);
84 }
85 return option;
86 }
87
88 /*
89 * Get and create native instance of ohos.rpc.MessageOption.
90 */
JavaOhosRpcMessageOptionGetNative(JNIEnv * env,jobject object)91 MessageOptionPtr JavaOhosRpcMessageOptionGetNative(JNIEnv *env, jobject object)
92 {
93 ZLOGD(LABEL, "enter");
94 int flags = JavaOhosRpcMessageOptionGetFlags(env, object);
95 int waitTime = JavaOhosRpcMessageOptionGetWaitTime(env, object);
96 auto option = std::make_shared<MessageOption>();
97 option->SetFlags(flags);
98 option->SetWaitTime(waitTime);
99 return option;
100 }
101
102 /*
103 * register native methods fopr ohos.rpc.MessageOption.
104 */
JavaOhosRpcMessageOptionRegisterNativeMethods(JNIEnv * env)105 int JavaOhosRpcMessageOptionRegisterNativeMethods(JNIEnv *env)
106 {
107 ZLOGD(LABEL, "enter");
108 if (env == nullptr) {
109 return JNI_ERR;
110 }
111 jclass klazz = reinterpret_cast<jclass>(env->NewGlobalRef(env->FindClass("ohos/rpc/MessageOption")));
112 if (klazz == nullptr) {
113 ZLOGE(LABEL, "could not find class for MessageOption");
114 return JNI_ERR;
115 }
116 g_jMessageOption.klazz = reinterpret_cast<jclass>(env->NewGlobalRef(klazz));
117 g_jMessageOption.initMethod = env->GetMethodID(g_jMessageOption.klazz, "<init>", "(II)V");
118 if (g_jMessageOption.initMethod == nullptr) {
119 ZLOGE(LABEL, "could not get initMethod from MessageOption");
120 if (g_jMessageOption.klazz != nullptr) {
121 env->DeleteGlobalRef(g_jMessageOption.klazz);
122 }
123 env->DeleteGlobalRef(klazz);
124 return JNI_ERR;
125 }
126
127 g_jMessageOption.flagsField = env->GetFieldID(g_jMessageOption.klazz, "mFlags", "I");
128 if (g_jMessageOption.flagsField == nullptr) {
129 ZLOGE(LABEL, "could not get flags fields from MessageOption");
130 if (g_jMessageOption.klazz != nullptr) {
131 env->DeleteGlobalRef(g_jMessageOption.klazz);
132 }
133 env->DeleteGlobalRef(klazz);
134 return JNI_ERR;
135 }
136
137 g_jMessageOption.waitTimeField = env->GetFieldID(g_jMessageOption.klazz, "mWaitTime", "I");
138 if (g_jMessageOption.waitTimeField == nullptr) {
139 ZLOGE(LABEL, "could not get mWaitTime fields from MessageOption");
140 if (g_jMessageOption.klazz != nullptr) {
141 env->DeleteGlobalRef(g_jMessageOption.klazz);
142 }
143 env->DeleteGlobalRef(klazz);
144 return JNI_ERR;
145 }
146 return JNI_OK;
147 }
148 } // namespace OHOS