1 /*
2 * Copyright (C) 2020 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 #include "ServiceManager.h"
18
19 namespace android {
20
ServiceManager()21 ServiceManager::ServiceManager() {}
22
getService(const String16 & name) const23 sp<IBinder> ServiceManager::getService( const String16& name) const {
24 // Servicemanager is single-threaded and cannot block. This method exists for legacy reasons.
25 return checkService(name);
26 }
27
checkService(const String16 & name) const28 sp<IBinder> ServiceManager::checkService( const String16& name) const {
29 auto it = mNameToService.find(name);
30 if (it == mNameToService.end()) {
31 return nullptr;
32 }
33 return it->second;
34 }
35
addService(const String16 & name,const sp<IBinder> & service,bool,int)36 status_t ServiceManager::addService(const String16& name, const sp<IBinder>& service,
37 bool /*allowIsolated*/,
38 int /*dumpsysFlags*/) {
39 mNameToService[name] = service;
40 return NO_ERROR;
41 }
42
listServices(int)43 Vector<String16> ServiceManager::listServices(int /*dumpsysFlags*/) {
44 Vector<String16> services;
45 for (auto const& [name, service] : mNameToService) {
46 (void) service;
47 services.push_back(name);
48 }
49 return services;
50 }
51
onAsBinder()52 IBinder* ServiceManager::onAsBinder() {
53 return nullptr;
54 }
55
waitForService(const String16 & name)56 sp<IBinder> ServiceManager::waitForService(const String16& name) {
57 return checkService(name);
58 }
59
isDeclared(const String16 & name)60 bool ServiceManager::isDeclared(const String16& name) {
61 return mNameToService.find(name) != mNameToService.end();
62 }
63
getDeclaredInstances(const String16 & name)64 Vector<String16> ServiceManager::getDeclaredInstances(const String16& name) {
65 Vector<String16> out;
66 const String16 prefix = name + String16("/");
67 for (const auto& [registeredName, service] : mNameToService) {
68 (void) service;
69 if (registeredName.startsWith(prefix)) {
70 out.add(String16(registeredName.string() + prefix.size()));
71 }
72 }
73 return out;
74 }
75
updatableViaApex(const String16 & name)76 std::optional<String16> ServiceManager::updatableViaApex(const String16& name) {
77 (void)name;
78 return std::nullopt;
79 }
80
getConnectionInfo(const String16 & name)81 std::optional<IServiceManager::ConnectionInfo> ServiceManager::getConnectionInfo(
82 const String16& name) {
83 (void)name;
84 return std::nullopt;
85 }
86
registerForNotifications(const String16 &,const sp<LocalRegistrationCallback> &)87 status_t ServiceManager::registerForNotifications(const String16&,
88 const sp<LocalRegistrationCallback>&) {
89 return INVALID_OPERATION;
90 }
91
unregisterForNotifications(const String16 &,const sp<LocalRegistrationCallback> &)92 status_t ServiceManager::unregisterForNotifications(const String16&,
93 const sp<LocalRegistrationCallback>&) {
94 return INVALID_OPERATION;
95 }
96
getServiceDebugInfo()97 std::vector<IServiceManager::ServiceDebugInfo> ServiceManager::getServiceDebugInfo() {
98 std::vector<IServiceManager::ServiceDebugInfo> ret;
99 return ret;
100 }
101 } // namespace android
102