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-rw-r--r--libs/fakeservicemanager/Android.bp25
-rw-r--r--libs/fakeservicemanager/ServiceManager.cpp64
-rw-r--r--libs/fakeservicemanager/ServiceManager.h74
-rw-r--r--libs/fakeservicemanager/test_sm.cpp126
4 files changed, 289 insertions, 0 deletions
diff --git a/libs/fakeservicemanager/Android.bp b/libs/fakeservicemanager/Android.bp
new file mode 100644
index 0000000000..de32ff4e64
--- /dev/null
+++ b/libs/fakeservicemanager/Android.bp
@@ -0,0 +1,25 @@
+cc_defaults {
+ name: "fakeservicemanager_defaults",
+ srcs: [
+ "ServiceManager.cpp",
+ ],
+
+ shared_libs: [
+ "libbinder",
+ "libutils",
+ ],
+}
+
+cc_library {
+ name: "libfakeservicemanager",
+ defaults: ["fakeservicemanager_defaults"],
+}
+
+cc_test_host {
+ name: "fakeservicemanager_test",
+ defaults: ["fakeservicemanager_defaults"],
+ srcs: [
+ "test_sm.cpp",
+ ],
+ static_libs: ["libgmock"],
+}
diff --git a/libs/fakeservicemanager/ServiceManager.cpp b/libs/fakeservicemanager/ServiceManager.cpp
new file mode 100644
index 0000000000..69643249e3
--- /dev/null
+++ b/libs/fakeservicemanager/ServiceManager.cpp
@@ -0,0 +1,64 @@
+/*
+ * Copyright (C) 2020 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 "ServiceManager.h"
+
+namespace android {
+
+ServiceManager::ServiceManager() {}
+
+sp<IBinder> ServiceManager::getService( const String16& name) const {
+ // Servicemanager is single-threaded and cannot block. This method exists for legacy reasons.
+ return checkService(name);
+}
+
+sp<IBinder> ServiceManager::checkService( const String16& name) const {
+ auto it = mNameToService.find(name);
+ if (it == mNameToService.end()) {
+ return nullptr;
+ }
+ return it->second;
+}
+
+status_t ServiceManager::addService(const String16& name, const sp<IBinder>& service,
+ bool /*allowIsolated*/,
+ int /*dumpsysFlags*/) {
+ mNameToService[name] = service;
+ return NO_ERROR;
+}
+
+Vector<String16> ServiceManager::listServices(int /*dumpsysFlags*/) {
+ Vector<String16> services;
+ for (auto const& [name, service] : mNameToService) {
+ (void) service;
+ services.push_back(name);
+ }
+ return services;
+}
+
+IBinder* ServiceManager::onAsBinder() {
+ return nullptr;
+}
+
+sp<IBinder> ServiceManager::waitForService(const String16& name) {
+ return checkService(name);
+}
+
+bool ServiceManager::isDeclared(const String16& name) {
+ return mNameToService.find(name) != mNameToService.end();
+}
+
+} // namespace android
diff --git a/libs/fakeservicemanager/ServiceManager.h b/libs/fakeservicemanager/ServiceManager.h
new file mode 100644
index 0000000000..62311d4727
--- /dev/null
+++ b/libs/fakeservicemanager/ServiceManager.h
@@ -0,0 +1,74 @@
+/*
+ * Copyright (C) 2020 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.
+ */
+
+#pragma once
+
+#include <binder/IServiceManager.h>
+
+#include <map>
+
+namespace android {
+
+/**
+ * A local host simple implementation of IServiceManager, that does not
+ * communicate over binder.
+*/
+class ServiceManager : public IServiceManager {
+public:
+ ServiceManager();
+
+ /**
+ * Equivalent of checkService.
+ */
+ sp<IBinder> getService( const String16& name) const override;
+
+ /**
+ * Retrieve an existing service, non-blocking.
+ */
+ sp<IBinder> checkService( const String16& name) const override;
+
+ /**
+ * Register a service.
+ */
+ status_t addService(const String16& name, const sp<IBinder>& service,
+ bool allowIsolated = false,
+ int dumpsysFlags = DUMP_FLAG_PRIORITY_DEFAULT) override;
+
+ /**
+ * Return list of all existing services.
+ */
+ Vector<String16> listServices(int dumpsysFlags = 0) override;
+
+ IBinder* onAsBinder() override;
+
+ /**
+ * Effectively no-oped in this implementation - equivalent to checkService.
+ */
+ sp<IBinder> waitForService(const String16& name) override;
+
+ /**
+ * Check if a service is declared (e.g. VINTF manifest).
+ *
+ * If this returns true, waitForService should always be able to return the
+ * service.
+ */
+ bool isDeclared(const String16& name) override;
+
+private:
+ std::map<String16, sp<IBinder>> mNameToService;
+};
+
+} // namespace android
diff --git a/libs/fakeservicemanager/test_sm.cpp b/libs/fakeservicemanager/test_sm.cpp
new file mode 100644
index 0000000000..71e5abe126
--- /dev/null
+++ b/libs/fakeservicemanager/test_sm.cpp
@@ -0,0 +1,126 @@
+/*
+ * Copyright (C) 2019 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 <gtest/gtest.h>
+#include <gmock/gmock.h>
+
+#include <binder/Binder.h>
+#include <binder/ProcessState.h>
+#include <binder/IServiceManager.h>
+
+#include "ServiceManager.h"
+
+using android::sp;
+using android::BBinder;
+using android::IBinder;
+using android::OK;
+using android::status_t;
+using android::ServiceManager;
+using android::String16;
+using android::IServiceManager;
+using testing::ElementsAre;
+
+static sp<IBinder> getBinder() {
+ class LinkableBinder : public BBinder {
+ status_t linkToDeath(const sp<DeathRecipient>&, void*, uint32_t) override {
+ // let SM linkToDeath
+ return OK;
+ }
+ };
+
+ return new LinkableBinder;
+}
+
+TEST(AddService, HappyHappy) {
+ auto sm = new ServiceManager();
+ EXPECT_EQ(sm->addService(String16("foo"), getBinder(), false /*allowIsolated*/,
+ IServiceManager::DUMP_FLAG_PRIORITY_DEFAULT), OK);
+}
+
+TEST(AddService, HappyOverExistingService) {
+ auto sm = new ServiceManager();
+ EXPECT_EQ(sm->addService(String16("foo"), getBinder(), false /*allowIsolated*/,
+ IServiceManager::DUMP_FLAG_PRIORITY_DEFAULT), OK);
+ EXPECT_EQ(sm->addService(String16("foo"), getBinder(), false /*allowIsolated*/,
+ IServiceManager::DUMP_FLAG_PRIORITY_DEFAULT), OK);
+}
+
+TEST(GetService, HappyHappy) {
+ auto sm = new ServiceManager();
+ sp<IBinder> service = getBinder();
+
+ EXPECT_EQ(sm->addService(String16("foo"), service, false /*allowIsolated*/,
+ IServiceManager::DUMP_FLAG_PRIORITY_DEFAULT), OK);
+
+ EXPECT_EQ(sm->getService(String16("foo")), service);
+}
+
+TEST(GetService, NonExistant) {
+ auto sm = new ServiceManager();
+
+ EXPECT_EQ(sm->getService(String16("foo")), nullptr);
+}
+
+TEST(ListServices, AllServices) {
+ auto sm = new ServiceManager();
+
+ EXPECT_EQ(sm->addService(String16("sd"), getBinder(), false /*allowIsolated*/,
+ IServiceManager::DUMP_FLAG_PRIORITY_DEFAULT), OK);
+ EXPECT_EQ(sm->addService(String16("sc"), getBinder(), false /*allowIsolated*/,
+ IServiceManager::DUMP_FLAG_PRIORITY_NORMAL), OK);
+ EXPECT_EQ(sm->addService(String16("sb"), getBinder(), false /*allowIsolated*/,
+ IServiceManager::DUMP_FLAG_PRIORITY_HIGH), OK);
+ EXPECT_EQ(sm->addService(String16("sa"), getBinder(), false /*allowIsolated*/,
+ IServiceManager::DUMP_FLAG_PRIORITY_CRITICAL), OK);
+
+ android::Vector<String16> out = sm->listServices(IServiceManager::DUMP_FLAG_PRIORITY_ALL);
+
+ // all there and in the right order
+ EXPECT_THAT(out, ElementsAre(String16("sa"), String16("sb"), String16("sc"),
+ String16("sd")));
+}
+
+TEST(WaitForService, NonExistant) {
+ auto sm = new ServiceManager();
+
+ EXPECT_EQ(sm->waitForService(String16("foo")), nullptr);
+}
+
+TEST(WaitForService, HappyHappy) {
+ auto sm = new ServiceManager();
+ sp<IBinder> service = getBinder();
+
+ EXPECT_EQ(sm->addService(String16("foo"), service, false /*allowIsolated*/,
+ IServiceManager::DUMP_FLAG_PRIORITY_DEFAULT), OK);
+
+ EXPECT_EQ(sm->waitForService(String16("foo")), service);
+}
+
+TEST(IsDeclared, NonExistant) {
+ auto sm = new ServiceManager();
+
+ EXPECT_FALSE(sm->isDeclared(String16("foo")));
+}
+
+TEST(IsDeclared, HappyHappy) {
+ auto sm = new ServiceManager();
+ sp<IBinder> service = getBinder();
+
+ EXPECT_EQ(sm->addService(String16("foo"), service, false /*allowIsolated*/,
+ IServiceManager::DUMP_FLAG_PRIORITY_DEFAULT), OK);
+
+ EXPECT_TRUE(sm->isDeclared(String16("foo")));
+}
generated by cgit v1.2.3-59-g8ed1b (git 2.39.0) at 2025-10-21 05:09:09 +0000