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/*
* 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 <optional>
#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 <utils/Errors.h>
#include <utils/Log.h>
#include <utils/Looper.h>
#include <utils/String8.h>
#include <utils/StrongPointer.h>
#include "android/aidl/tests/BackendType.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"
#include "android/aidl/versioned/tests/BnFooInterface.h"
#include "android/aidl/versioned/tests/IFooInterface.h"
#include "android/aidl/tests/BnNewName.h"
#include "android/aidl/tests/BnOldName.h"
#include "android/aidl/tests/BnCppJavaTests.h"
#include "android/aidl/tests/ICppJavaTests.h"
#include "android/aidl/tests/Union.h"
#include "android/aidl/tests/extension/MyExt.h"
#include "android/aidl/tests/extension/MyExt2.h"
#include "android/aidl/loggable/BnLoggableInterface.h"
#include "android/aidl/loggable/Data.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;
using android::String8;
// 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::BackendType;
using android::aidl::tests::BnCppJavaTests;
using android::aidl::tests::BnNamedCallback;
using android::aidl::tests::BnNewName;
using android::aidl::tests::BnOldName;
using android::aidl::tests::BnTestService;
using android::aidl::tests::ByteEnum;
using android::aidl::tests::ConstantExpressionEnum;
using android::aidl::tests::GenericStructuredParcelable;
using android::aidl::tests::ICppJavaTests;
using android::aidl::tests::INamedCallback;
using android::aidl::tests::INewName;
using android::aidl::tests::IntEnum;
using android::aidl::tests::IOldName;
using android::aidl::tests::LongEnum;
using android::aidl::tests::SimpleParcelable;
using android::aidl::tests::StructuredParcelable;
using android::aidl::tests::Union;
using android::os::ParcelFileDescriptor;
using android::os::PersistableBundle;
// Standard library
using std::map;
using std::optional;
using std::string;
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 OldName : public BnOldName {
public:
OldName() = default;
~OldName() = default;
Status RealName(String16* output) override {
*output = String16("OldName");
return Status::ok();
}
};
class NewName : public BnNewName {
public:
NewName() = default;
~NewName() = default;
Status RealName(String16* output) override {
*output = String16("NewName");
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 optional<T>& input, optional<T>* _aidl_return) {
ALOGI("Repeating nullable value");
*_aidl_return = input;
return Status::ok();
}
class CppJavaTests : public BnCppJavaTests {
public:
CppJavaTests() = default;
~CppJavaTests() = default;
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 RepeatGenericParcelable(
const GenericStructuredParcelable<int32_t, StructuredParcelable, IntEnum>& input,
GenericStructuredParcelable<int32_t, StructuredParcelable, IntEnum>* repeat,
GenericStructuredParcelable<int32_t, StructuredParcelable, IntEnum>* _aidl_return) {
ALOGI("Repeating Generic Parcelable");
*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();
}
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 ReverseUnion(const Union& input, Union* repeated, Union* _aidl_return) override {
ALOGI("Repeated a Union");
*repeated = input;
*_aidl_return = input;
auto reverse = [](auto& reversible) {
std::reverse(std::begin(reversible), std::end(reversible));
};
switch (input.getTag()) {
case Union::ns: // int[]
reverse(_aidl_return->get<Union::ns>());
break;
case Union::s: // String
reverse(_aidl_return->get<Union::s>());
break;
case Union::ss: // List<String>
reverse(_aidl_return->get<Union::ss>());
break;
default:
break;
}
return Status::ok();
}
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(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 TakesAnIBinderList(const vector<sp<IBinder>>& input) override {
(void)input;
return Status::ok();
}
Status TakesANullableIBinderList(const optional<vector<sp<IBinder>>>& input) {
(void)input;
return Status::ok();
}
::android::binder::Status RepeatExtendableParcelable(
const ::android::aidl::tests::extension::ExtendableParcelable& ep,
::android::aidl::tests::extension::ExtendableParcelable* ep2) {
ep2->a = ep.a;
ep2->b = ep.b;
std::shared_ptr<android::aidl::tests::extension::MyExt> myExt;
ep.ext.getParcelable(&myExt);
ep2->ext.setParcelable(myExt);
return Status::ok();
}
};
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());
}
Status TestOneway() override { return Status::fromStatusT(android::UNKNOWN_ERROR); }
Status Deprecated() override { return Status::ok(); }
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 RepeatByteEnum(ByteEnum token, ByteEnum* _aidl_return) override {
ALOGI("Repeating ByteEnum token %s", toString(token).c_str());
*_aidl_return = token;
return Status::ok();
}
Status RepeatIntEnum(IntEnum token, IntEnum* _aidl_return) override {
ALOGI("Repeating IntEnum token %s", toString(token).c_str());
*_aidl_return = token;
return Status::ok();
}
Status RepeatLongEnum(LongEnum token, LongEnum* _aidl_return) override {
ALOGI("Repeating LongEnum token %s", toString(token).c_str());
*_aidl_return = token;
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 ReverseByteEnum(const vector<ByteEnum>& input, vector<ByteEnum>* repeated,
vector<ByteEnum>* _aidl_return) override {
return ReverseArray(input, repeated, _aidl_return);
}
Status ReverseIntEnum(const vector<IntEnum>& input, vector<IntEnum>* repeated,
vector<IntEnum>* _aidl_return) override {
return ReverseArray(input, repeated, _aidl_return);
}
Status ReverseLongEnum(const vector<LongEnum>& input, vector<LongEnum>* repeated,
vector<LongEnum>* _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 RepeatParcelFileDescriptor(const ParcelFileDescriptor& read,
ParcelFileDescriptor* _aidl_return) override {
ALOGE("Repeating parcel file descriptor");
_aidl_return->reset(unique_fd(dup(read.get())));
return Status::ok();
}
Status ReverseParcelFileDescriptorArray(const vector<ParcelFileDescriptor>& input,
vector<ParcelFileDescriptor>* repeated,
vector<ParcelFileDescriptor>* _aidl_return) override {
ALOGI("Reversing parcel descriptor array of length %zu", input.size());
for (const auto& item : input) {
repeated->push_back(ParcelFileDescriptor(unique_fd(dup(item.get()))));
}
for (auto i = input.rbegin(); i != input.rend(); i++) {
_aidl_return->push_back(ParcelFileDescriptor(unique_fd(dup(i->get()))));
}
return Status::ok();
}
Status ThrowServiceException(int code) override {
return Status::fromServiceSpecificError(code);
}
Status RepeatNullableIntArray(const optional<vector<int32_t>>& input,
optional<vector<int32_t>>* _aidl_return) {
return RepeatNullable(input, _aidl_return);
}
Status RepeatNullableByteEnumArray(const optional<vector<ByteEnum>>& input,
optional<vector<ByteEnum>>* _aidl_return) {
return RepeatNullable(input, _aidl_return);
}
Status RepeatNullableIntEnumArray(const optional<vector<IntEnum>>& input,
optional<vector<IntEnum>>* _aidl_return) {
return RepeatNullable(input, _aidl_return);
}
Status RepeatNullableLongEnumArray(const optional<vector<LongEnum>>& input,
optional<vector<LongEnum>>* _aidl_return) {
return RepeatNullable(input, _aidl_return);
}
Status RepeatNullableStringList(const optional<vector<optional<String16>>>& input,
optional<vector<optional<String16>>>* _aidl_return) {
ALOGI("Repeating nullable string list");
return RepeatNullable(input, _aidl_return);
}
Status RepeatNullableString(const optional<String16>& input, optional<String16>* _aidl_return) {
return RepeatNullable(input, _aidl_return);
}
Status RepeatNullableParcelable(const optional<StructuredParcelable>& input,
optional<StructuredParcelable>* _aidl_return) {
return RepeatNullable(input, _aidl_return);
}
Status TakesAnIBinder(const sp<IBinder>& input) override {
(void)input;
return Status::ok();
}
Status TakesANullableIBinder(const 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 optional<string>& token,
optional<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 = token;
return Status::ok();
}
Status ReverseUtf8CppString(const vector<string>& input,
vector<string>* repeated,
vector<string>* _aidl_return) {
return ReverseArray(input, repeated, _aidl_return);
}
Status ReverseNullableUtf8CppString(const optional<vector<optional<string>>>& input,
optional<vector<optional<string>>>* repeated,
optional<vector<optional<string>>>* _aidl_return) {
return ReverseUtf8CppStringList(input, repeated, _aidl_return);
}
Status ReverseUtf8CppStringList(const optional<vector<optional<string>>>& input,
optional<vector<optional<string>>>* repeated,
optional<vector<optional<string>>>* _aidl_return) {
if (!input) {
ALOGI("Received null list of utf8 strings");
return Status::ok();
}
*_aidl_return = input;
*repeated = input;
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();
}
virtual ::android::binder::Status FillOutStructuredParcelable(StructuredParcelable* parcelable) {
parcelable->shouldBeJerry = "Jerry";
parcelable->shouldContainThreeFs = {parcelable->f, parcelable->f, parcelable->f};
parcelable->shouldBeByteBar = ByteEnum::BAR;
parcelable->shouldBeIntBar = IntEnum::BAR;
parcelable->shouldBeLongBar = LongEnum::BAR;
parcelable->shouldContainTwoByteFoos = {ByteEnum::FOO, ByteEnum::FOO};
parcelable->shouldContainTwoIntFoos = {IntEnum::FOO, IntEnum::FOO};
parcelable->shouldContainTwoLongFoos = {LongEnum::FOO, LongEnum::FOO};
parcelable->const_exprs_1 = ConstantExpressionEnum::decInt32_1;
parcelable->const_exprs_2 = ConstantExpressionEnum::decInt32_2;
parcelable->const_exprs_3 = ConstantExpressionEnum::decInt64_1;
parcelable->const_exprs_4 = ConstantExpressionEnum::decInt64_2;
parcelable->const_exprs_5 = ConstantExpressionEnum::decInt64_3;
parcelable->const_exprs_6 = ConstantExpressionEnum::decInt64_4;
parcelable->const_exprs_7 = ConstantExpressionEnum::hexInt32_1;
parcelable->const_exprs_8 = ConstantExpressionEnum::hexInt32_2;
parcelable->const_exprs_9 = ConstantExpressionEnum::hexInt32_3;
parcelable->const_exprs_10 = ConstantExpressionEnum::hexInt64_1;
parcelable->shouldSetBit0AndBit2 = StructuredParcelable::BIT0 | StructuredParcelable::BIT2;
parcelable->u = Union::make<Union::ns>({1, 2, 3});
parcelable->shouldBeConstS1 = Union::S1();
return Status::ok();
}
Status UnimplementedMethod(int32_t /* arg */, int32_t* /* _aidl_return */) override {
LOG_ALWAYS_FATAL("UnimplementedMethod shouldn't be called");
}
Status GetOldNameInterface(sp<IOldName>* ret) {
*ret = new OldName;
return Status::ok();
}
Status GetNewNameInterface(sp<INewName>* ret) {
*ret = new NewName;
return Status::ok();
}
Status GetCppJavaTests(sp<IBinder>* ret) {
*ret = new CppJavaTests;
return Status::ok();
}
Status getBackendType(BackendType* _aidl_return) override {
*_aidl_return = BackendType::CPP;
return Status::ok();
}
android::status_t onTransact(uint32_t code, const Parcel& data, Parcel* reply,
uint32_t flags) override {
if (code == ::android::IBinder::FIRST_CALL_TRANSACTION + 0 /* UnimplementedMethod */) {
// pretend that UnimplementedMethod isn't implemented by this service.
return android::UNKNOWN_TRANSACTION;
} else {
return BnTestService::onTransact(code, data, reply, flags);
}
}
private:
map<String16, sp<INamedCallback>> service_map_;
};
class VersionedService : public android::aidl::versioned::tests::BnFooInterface {
public:
VersionedService() {}
virtual ~VersionedService() = default;
Status originalApi() override { return Status::ok(); }
Status acceptUnionAndReturnString(const ::android::aidl::versioned::tests::BazUnion& u,
std::string* _aidl_return) override {
switch (u.getTag()) {
case ::android::aidl::versioned::tests::BazUnion::intNum:
*_aidl_return =
std::to_string(u.get<::android::aidl::versioned::tests::BazUnion::intNum>());
break;
}
return Status::ok();
}
Status returnsLengthOfFooArray(const vector<::android::aidl::versioned::tests::Foo>& foos,
int32_t* ret) override {
*ret = static_cast<int32_t>(foos.size());
return Status::ok();
}
Status ignoreParcelablesAndRepeatInt(const ::android::aidl::versioned::tests::Foo& inFoo,
::android::aidl::versioned::tests::Foo* inoutFoo,
::android::aidl::versioned::tests::Foo* outFoo,
int32_t value, int32_t* ret) override {
(void)inFoo;
(void)inoutFoo;
(void)outFoo;
*ret = value;
return Status::ok();
}
};
class LoggableInterfaceService : public android::aidl::loggable::BnLoggableInterface {
public:
LoggableInterfaceService() {}
virtual ~LoggableInterfaceService() = default;
virtual Status LogThis(bool, vector<bool>*, int8_t, vector<uint8_t>*, char16_t, vector<char16_t>*,
int32_t, vector<int32_t>*, int64_t, vector<int64_t>*, float,
vector<float>*, double, vector<double>*, const String16&,
vector<String16>*, vector<String16>*, const android::aidl::loggable::Data&,
const sp<IBinder>&, optional<ParcelFileDescriptor>*,
vector<ParcelFileDescriptor>*, vector<String16>* _aidl_return) override {
*_aidl_return = vector<String16>{String16("loggable")};
return Status::ok();
}
};
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;
}
auto status = defaultServiceManager()->addService(service->getInterfaceDescriptor(), service);
if (status != OK) {
ALOGE("Failed to add service %s", String8(service->getInterfaceDescriptor()).c_str());
return -1;
}
android::sp<VersionedService> versionedService = new VersionedService;
status = defaultServiceManager()->addService(versionedService->getInterfaceDescriptor(),
versionedService);
if (status != OK) {
ALOGE("Failed to add service %s", String8(versionedService->getInterfaceDescriptor()).c_str());
return -1;
}
android::sp<LoggableInterfaceService> loggableInterfaceService = new LoggableInterfaceService;
status = defaultServiceManager()->addService(loggableInterfaceService->getInterfaceDescriptor(),
loggableInterfaceService);
if (status != OK) {
ALOGE("Failed to add service %s",
String8(loggableInterfaceService->getInterfaceDescriptor()).c_str());
return -1;
}
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();
}