1 /*
2 * Copyright (C) 2018 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17 #define LOG_TAG "Cts-NdkBinderTest"
18
19 #include "utilities.h"
20
21 #include <android/log.h>
22
23 static size_t sNumInstances = 0;
numInstances()24 size_t ThisShouldBeDestroyed::numInstances() { return sNumInstances; }
ThisShouldBeDestroyed()25 ThisShouldBeDestroyed::ThisShouldBeDestroyed() { sNumInstances++; }
~ThisShouldBeDestroyed()26 ThisShouldBeDestroyed::~ThisShouldBeDestroyed() { sNumInstances--; }
27
SampleClassOnCreate(void * args)28 void* SampleClassOnCreate(void* args) {
29 return args; // SampleData
30 }
31
SampleClassOnDestroy(void * userData)32 void SampleClassOnDestroy(void* userData) {
33 SampleData* data = static_cast<SampleData*>(userData);
34 if (data->onDestroy != nullptr) {
35 data->onDestroy(data);
36 }
37 delete data;
38 }
39
SampleClassOnTransact(AIBinder * binder,transaction_code_t code,const AParcel * in,AParcel * out)40 binder_status_t SampleClassOnTransact(AIBinder* binder, transaction_code_t code,
41 const AParcel* in, AParcel* out) {
42 SampleData* data = static_cast<SampleData*>(AIBinder_getUserData(binder));
43 if (data == nullptr) {
44 __android_log_write(ANDROID_LOG_FATAL, LOG_TAG, "null user data");
45 }
46 data->numberTransactions++;
47 if (data->onTransact == nullptr) {
48 ADD_FAILURE() << "onTransact not specified, but transactions called";
49 return STATUS_FAILED_TRANSACTION;
50 }
51 return data->onTransact(code, in, out);
52 }
53
54 const char* SampleData::kDescriptor = "this-is-arbitrary";
55 const AIBinder_Class* SampleData::kClass =
56 AIBinder_Class_define(SampleData::kDescriptor, SampleClassOnCreate,
57 SampleClassOnDestroy, SampleClassOnTransact);
58
59 const AIBinder_Class* SampleData::kAnotherClassWithSameDescriptor = AIBinder_Class_define(
60 SampleData::kDescriptor, SampleClassOnCreate, SampleClassOnDestroy, SampleClassOnTransact);
61
62 const char* SampleData::kAnotherDescriptor = "this-is-another-arbitrary-thing";
63 const AIBinder_Class* SampleData::kAnotherClass =
64 AIBinder_Class_define(SampleData::kAnotherDescriptor, SampleClassOnCreate,
65 SampleClassOnDestroy, SampleClassOnTransact);
66
GetEnv()67 JNIEnv* GetEnv() {
68 JavaVM* vm = GetJavaVM();
69 if (vm == nullptr) return nullptr;
70
71 JNIEnv* result = nullptr;
72 jint attach = vm->AttachCurrentThread(&result, nullptr);
73
74 EXPECT_EQ(JNI_OK, attach);
75 EXPECT_NE(nullptr, result);
76 return result;
77 }
78
callStaticJavaMethodForObject(JNIEnv * env,const std::string & clazz,const std::string & method,const std::string & type)79 jobject callStaticJavaMethodForObject(JNIEnv* env, const std::string& clazz,
80 const std::string& method, const std::string& type) {
81 jclass cl = env->FindClass(clazz.c_str());
82 if (cl == nullptr) {
83 __android_log_print(ANDROID_LOG_ERROR, LOG_TAG, "No class %s", clazz.c_str());
84 return nullptr;
85 }
86
87 jmethodID mid = env->GetStaticMethodID(cl, method.c_str(), type.c_str());
88 if (mid == nullptr) {
89 __android_log_print(ANDROID_LOG_ERROR, LOG_TAG, "No method id %s", method.c_str());
90 return nullptr;
91 }
92
93 jobject object = env->CallStaticObjectMethod(cl, mid);
94 if (object == nullptr) {
95 __android_log_print(ANDROID_LOG_ERROR, LOG_TAG, "Got null object from Java");
96 return nullptr;
97 }
98
99 return object;
100 }
101