| /* |
| * Copyright (C) 2015 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #include <map> |
| #include <sstream> |
| #include <string> |
| #include <vector> |
| |
| #include <unistd.h> |
| |
| #include <android-base/unique_fd.h> |
| #include <binder/IInterface.h> |
| #include <binder/IPCThreadState.h> |
| #include <binder/IServiceManager.h> |
| #include <binder/ProcessState.h> |
| #include <binder/Status.h> |
| #include <binder/Value.h> |
| #include <utils/Errors.h> |
| #include <utils/Log.h> |
| #include <utils/Looper.h> |
| #include <utils/StrongPointer.h> |
| |
| #include "android/aidl/tests/BnTestService.h" |
| #include "android/aidl/tests/ITestService.h" |
| |
| #include "android/aidl/tests/BnNamedCallback.h" |
| #include "android/aidl/tests/INamedCallback.h" |
| |
| // Used implicitly. |
| #undef LOG_TAG |
| #define LOG_TAG "aidl_native_service" |
| |
| // libbase |
| using android::base::unique_fd; |
| |
| // libutils: |
| using android::Looper; |
| using android::LooperCallback; |
| using android::OK; |
| using android::sp; |
| using android::String16; |
| |
| // libbinder: |
| using android::BnInterface; |
| using android::defaultServiceManager; |
| using android::IInterface; |
| using android::IPCThreadState; |
| using android::Parcel; |
| using android::ProcessState; |
| using android::binder::Status; |
| |
| // Generated code: |
| using android::aidl::tests::BnNamedCallback; |
| using android::aidl::tests::BnTestService; |
| using android::aidl::tests::INamedCallback; |
| using android::aidl::tests::SimpleParcelable; |
| using android::os::PersistableBundle; |
| using android::binder::Map; |
| |
| // Standard library |
| using std::map; |
| using std::string; |
| using std::unique_ptr; |
| using std::vector; |
| |
| namespace { |
| |
| class BinderCallback : public LooperCallback { |
| public: |
| BinderCallback() {} |
| ~BinderCallback() override {} |
| |
| int handleEvent(int /* fd */, int /* events */, void* /* data */) override { |
| IPCThreadState::self()->handlePolledCommands(); |
| return 1; // Continue receiving callbacks. |
| } |
| }; |
| |
| class NamedCallback : public BnNamedCallback { |
| public: |
| explicit NamedCallback(String16 name) : name_(name) {} |
| |
| Status GetName(String16* ret) { |
| *ret = name_; |
| return Status::ok(); |
| } |
| |
| private: |
| String16 name_; |
| }; |
| |
| class NativeService : public BnTestService { |
| public: |
| NativeService() {} |
| virtual ~NativeService() = default; |
| |
| void LogRepeatedStringToken(const String16& token) { |
| ALOGI("Repeating '%s' of length=%zu", android::String8(token).string(), |
| token.size()); |
| } |
| |
| template <typename T> |
| void LogRepeatedToken(const T& token) { |
| std::ostringstream token_str; |
| token_str << token; |
| ALOGI("Repeating token %s", token_str.str().c_str()); |
| } |
| |
| void LogRepeatedMapToken(const Map& token) { |
| ALOGI("Repeating Map with %d elements", (int)token.size()); |
| } |
| |
| Status RepeatBoolean(bool token, bool* _aidl_return) override { |
| LogRepeatedToken(token ? 1 : 0); |
| *_aidl_return = token; |
| return Status::ok(); |
| } |
| Status RepeatByte(int8_t token, int8_t* _aidl_return) override { |
| LogRepeatedToken(token); |
| *_aidl_return = token; |
| return Status::ok(); |
| } |
| Status RepeatChar(char16_t token, char16_t* _aidl_return) override { |
| LogRepeatedStringToken(String16(&token, 1)); |
| *_aidl_return = token; |
| return Status::ok(); |
| } |
| Status RepeatInt(int32_t token, int32_t* _aidl_return) override { |
| LogRepeatedToken(token); |
| *_aidl_return = token; |
| return Status::ok(); |
| } |
| Status RepeatLong(int64_t token, int64_t* _aidl_return) override { |
| LogRepeatedToken(token); |
| *_aidl_return = token; |
| return Status::ok(); |
| } |
| Status RepeatFloat(float token, float* _aidl_return) override { |
| LogRepeatedToken(token); |
| *_aidl_return = token; |
| return Status::ok(); |
| } |
| Status RepeatDouble(double token, double* _aidl_return) override { |
| LogRepeatedToken(token); |
| *_aidl_return = token; |
| return Status::ok(); |
| } |
| Status RepeatString(const String16& token, String16* _aidl_return) override { |
| LogRepeatedStringToken(token); |
| *_aidl_return = token; |
| return Status::ok(); |
| } |
| Status RepeatMap(const Map& token, Map* _aidl_return) override { |
| LogRepeatedMapToken(token); |
| *_aidl_return = token; |
| return Status::ok(); |
| } |
| |
| Status RepeatSimpleParcelable(const SimpleParcelable& input, |
| SimpleParcelable* repeat, |
| SimpleParcelable* _aidl_return) override { |
| ALOGI("Repeated a SimpleParcelable %s", input.toString().c_str()); |
| *repeat = input; |
| *_aidl_return = input; |
| return Status::ok(); |
| } |
| |
| Status RepeatPersistableBundle(const PersistableBundle& input, |
| PersistableBundle* _aidl_return) override { |
| ALOGI("Repeated a PersistableBundle"); |
| *_aidl_return = input; |
| return Status::ok(); |
| } |
| |
| template <typename T> |
| Status ReverseArray(const vector<T>& input, vector<T>* repeated, |
| vector<T>* _aidl_return) { |
| ALOGI("Reversing array of length %zu", input.size()); |
| *repeated = input; |
| *_aidl_return = input; |
| std::reverse(_aidl_return->begin(), _aidl_return->end()); |
| return Status::ok(); |
| } |
| |
| template<typename T> |
| Status RepeatNullable(const unique_ptr<T>& input, |
| unique_ptr<T>* _aidl_return) { |
| ALOGI("Repeating nullable value"); |
| |
| _aidl_return->reset(); |
| if (input) { |
| _aidl_return->reset(new T(*input)); |
| } |
| |
| return Status::ok(); |
| } |
| |
| Status ReverseBoolean(const vector<bool>& input, |
| vector<bool>* repeated, |
| vector<bool>* _aidl_return) override { |
| return ReverseArray(input, repeated, _aidl_return); |
| } |
| Status ReverseByte(const vector<uint8_t>& input, |
| vector<uint8_t>* repeated, |
| vector<uint8_t>* _aidl_return) override { |
| return ReverseArray(input, repeated, _aidl_return); |
| } |
| Status ReverseChar(const vector<char16_t>& input, |
| vector<char16_t>* repeated, |
| vector<char16_t>* _aidl_return) override { |
| return ReverseArray(input, repeated, _aidl_return); |
| } |
| Status ReverseInt(const vector<int32_t>& input, |
| vector<int32_t>* repeated, |
| vector<int32_t>* _aidl_return) override { |
| return ReverseArray(input, repeated, _aidl_return); |
| } |
| Status ReverseLong(const vector<int64_t>& input, |
| vector<int64_t>* repeated, |
| vector<int64_t>* _aidl_return) override { |
| return ReverseArray(input, repeated, _aidl_return); |
| } |
| Status ReverseFloat(const vector<float>& input, |
| vector<float>* repeated, |
| vector<float>* _aidl_return) override { |
| return ReverseArray(input, repeated, _aidl_return); |
| } |
| Status ReverseDouble(const vector<double>& input, |
| vector<double>* repeated, |
| vector<double>* _aidl_return) override { |
| return ReverseArray(input, repeated, _aidl_return); |
| } |
| Status ReverseString(const vector<String16>& input, |
| vector<String16>* repeated, |
| vector<String16>* _aidl_return) override { |
| return ReverseArray(input, repeated, _aidl_return); |
| } |
| Status ReverseSimpleParcelables( |
| const vector<SimpleParcelable>& input, |
| vector<SimpleParcelable>* repeated, |
| vector<SimpleParcelable>* _aidl_return) override { |
| return ReverseArray(input, repeated, _aidl_return); |
| } |
| Status ReversePersistableBundles( |
| const vector<PersistableBundle>& input, |
| vector<PersistableBundle>* repeated, |
| vector<PersistableBundle>* _aidl_return) override { |
| return ReverseArray(input, repeated, _aidl_return); |
| } |
| |
| Status GetOtherTestService(const String16& name, |
| sp<INamedCallback>* returned_service) override { |
| if (service_map_.find(name) == service_map_.end()) { |
| sp<INamedCallback> new_item(new NamedCallback(name)); |
| service_map_[name] = new_item; |
| } |
| |
| *returned_service = service_map_[name]; |
| return Status::ok(); |
| } |
| |
| Status VerifyName(const sp<INamedCallback>& service, const String16& name, |
| bool* returned_value) override { |
| String16 foundName; |
| Status status = service->GetName(&foundName); |
| |
| if (status.isOk()) { |
| *returned_value = foundName == name; |
| } |
| |
| return status; |
| } |
| |
| Status ReverseStringList(const vector<String16>& input, |
| vector<String16>* repeated, |
| vector<String16>* _aidl_return) override { |
| return ReverseArray(input, repeated, _aidl_return); |
| } |
| |
| Status ReverseNamedCallbackList(const vector<sp<IBinder>>& input, |
| vector<sp<IBinder>>* repeated, |
| vector<sp<IBinder>>* _aidl_return) override { |
| return ReverseArray(input, repeated, _aidl_return); |
| } |
| |
| Status RepeatFileDescriptor(const unique_fd& read, |
| unique_fd* _aidl_return) override { |
| ALOGE("Repeating file descriptor"); |
| *_aidl_return = unique_fd(dup(read.get())); |
| return Status::ok(); |
| } |
| |
| Status ReverseFileDescriptorArray(const vector<unique_fd>& input, |
| vector<unique_fd>* repeated, |
| vector<unique_fd>* _aidl_return) override { |
| ALOGI("Reversing descriptor array of length %zu", input.size()); |
| for (const auto& item : input) { |
| repeated->push_back(unique_fd(dup(item.get()))); |
| _aidl_return->push_back(unique_fd(dup(item.get()))); |
| } |
| std::reverse(_aidl_return->begin(), _aidl_return->end()); |
| return Status::ok(); |
| } |
| |
| Status ThrowServiceException(int code) override { |
| return Status::fromServiceSpecificError(code); |
| } |
| |
| Status RepeatNullableIntArray(const unique_ptr<vector<int32_t>>& input, |
| unique_ptr<vector<int32_t>>* _aidl_return) { |
| return RepeatNullable(input, _aidl_return); |
| } |
| |
| Status RepeatNullableStringList( |
| const unique_ptr<vector<unique_ptr<String16>>>& input, |
| unique_ptr<vector<unique_ptr<String16>>>* _aidl_return) { |
| ALOGI("Repeating nullable string list"); |
| if (!input) { |
| _aidl_return->reset(); |
| return Status::ok(); |
| } |
| |
| _aidl_return->reset(new vector<unique_ptr<String16>>); |
| |
| for (const auto& item : *input) { |
| if (!item) { |
| (*_aidl_return)->emplace_back(nullptr); |
| } else { |
| (*_aidl_return)->emplace_back(new String16(*item)); |
| } |
| } |
| |
| return Status::ok(); |
| } |
| |
| Status RepeatNullableString(const unique_ptr<String16>& input, |
| unique_ptr<String16>* _aidl_return) { |
| return RepeatNullable(input, _aidl_return); |
| } |
| |
| Status RepeatNullableParcelable(const unique_ptr<SimpleParcelable>& input, |
| unique_ptr<SimpleParcelable>* _aidl_return) { |
| return RepeatNullable(input, _aidl_return); |
| } |
| |
| Status TakesAnIBinder(const sp<IBinder>& input) override { |
| (void)input; |
| return Status::ok(); |
| } |
| Status TakesAnIBinderList(const vector<sp<IBinder>>& input) override { |
| (void)input; |
| return Status::ok(); |
| } |
| Status TakesANullableIBinder(const sp<IBinder>& input) { |
| (void)input; |
| return Status::ok(); |
| } |
| Status TakesANullableIBinderList(const unique_ptr<vector<sp<IBinder>>>& input) { |
| (void)input; |
| return Status::ok(); |
| } |
| |
| Status RepeatUtf8CppString(const string& token, |
| string* _aidl_return) override { |
| ALOGI("Repeating utf8 string '%s' of length=%zu", token.c_str(), token.size()); |
| *_aidl_return = token; |
| return Status::ok(); |
| } |
| |
| Status RepeatNullableUtf8CppString( |
| const unique_ptr<string>& token, |
| unique_ptr<string>* _aidl_return) override { |
| if (!token) { |
| ALOGI("Received null @utf8InCpp string"); |
| return Status::ok(); |
| } |
| ALOGI("Repeating utf8 string '%s' of length=%zu", |
| token->c_str(), token->size()); |
| _aidl_return->reset(new string(*token)); |
| return Status::ok(); |
| } |
| |
| Status ReverseUtf8CppString(const vector<string>& input, |
| vector<string>* repeated, |
| vector<string>* _aidl_return) { |
| return ReverseArray(input, repeated, _aidl_return); |
| } |
| |
| Status ReverseUtf8CppStringList( |
| const unique_ptr<vector<unique_ptr<::string>>>& input, |
| unique_ptr<vector<unique_ptr<string>>>* repeated, |
| unique_ptr<vector<unique_ptr<string>>>* _aidl_return) { |
| if (!input) { |
| ALOGI("Received null list of utf8 strings"); |
| return Status::ok(); |
| } |
| _aidl_return->reset(new vector<unique_ptr<string>>); |
| repeated->reset(new vector<unique_ptr<string>>); |
| |
| for (const auto& item : *input) { |
| (*repeated)->emplace_back(nullptr); |
| (*_aidl_return)->emplace_back(nullptr); |
| if (item) { |
| (*repeated)->back().reset(new string(*item)); |
| (*_aidl_return)->back().reset(new string(*item)); |
| } |
| } |
| std::reverse((*_aidl_return)->begin(), (*_aidl_return)->end()); |
| |
| return Status::ok(); |
| } |
| |
| Status GetCallback(bool return_null, sp<INamedCallback>* ret) { |
| if (!return_null) { |
| return GetOtherTestService(String16("ABT: always be testing"), ret); |
| } |
| return Status::ok(); |
| } |
| |
| private: |
| map<String16, sp<INamedCallback>> service_map_; |
| }; |
| |
| int Run() { |
| android::sp<NativeService> service = new NativeService; |
| sp<Looper> looper(Looper::prepare(0 /* opts */)); |
| |
| int binder_fd = -1; |
| ProcessState::self()->setThreadPoolMaxThreadCount(0); |
| IPCThreadState::self()->disableBackgroundScheduling(true); |
| IPCThreadState::self()->setupPolling(&binder_fd); |
| ALOGI("Got binder FD %d", binder_fd); |
| if (binder_fd < 0) return -1; |
| |
| sp<BinderCallback> cb(new BinderCallback); |
| if (looper->addFd(binder_fd, Looper::POLL_CALLBACK, Looper::EVENT_INPUT, cb, |
| nullptr) != 1) { |
| ALOGE("Failed to add binder FD to Looper"); |
| return -1; |
| } |
| |
| defaultServiceManager()->addService(service->getInterfaceDescriptor(), |
| service); |
| |
| ALOGI("Entering loop"); |
| while (true) { |
| const int result = looper->pollAll(-1 /* timeoutMillis */); |
| ALOGI("Looper returned %d", result); |
| } |
| return 0; |
| } |
| |
| } // namespace |
| |
| int main(int /* argc */, char* /* argv */ []) { |
| return Run(); |
| } |