Sudheer Shanka | 6ef26f1 | 2016-11-23 15:52:26 -0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2016 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 | |
Nick Kralevich | ec9ec7d | 2016-12-17 19:47:27 -0800 | [diff] [blame] | 17 | #include <unistd.h> |
| 18 | #include <fcntl.h> |
| 19 | |
Eric Laurent | 0559589 | 2018-10-18 14:56:24 -0700 | [diff] [blame] | 20 | #include <binder/ActivityManager.h> |
Sudheer Shanka | 6ef26f1 | 2016-11-23 15:52:26 -0800 | [diff] [blame] | 21 | #include <binder/IActivityManager.h> |
Sudheer Shanka | 6ef26f1 | 2016-11-23 15:52:26 -0800 | [diff] [blame] | 22 | #include <binder/Parcel.h> |
| 23 | |
| 24 | namespace android { |
| 25 | |
| 26 | // ------------------------------------------------------------------------------------ |
| 27 | |
| 28 | class BpActivityManager : public BpInterface<IActivityManager> |
| 29 | { |
| 30 | public: |
| 31 | explicit BpActivityManager(const sp<IBinder>& impl) |
| 32 | : BpInterface<IActivityManager>(impl) |
| 33 | { |
| 34 | } |
| 35 | |
| 36 | virtual int openContentUri(const String16& stringUri) |
| 37 | { |
| 38 | Parcel data, reply; |
Sudheer Shanka | ff81a09 | 2017-03-02 12:27:58 -0800 | [diff] [blame] | 39 | data.writeInterfaceToken(IActivityManager::getInterfaceDescriptor()); |
Sudheer Shanka | 6ef26f1 | 2016-11-23 15:52:26 -0800 | [diff] [blame] | 40 | data.writeString16(stringUri); |
| 41 | status_t ret = remote()->transact(OPEN_CONTENT_URI_TRANSACTION, data, & reply); |
| 42 | int fd = -1; |
| 43 | if (ret == NO_ERROR) { |
| 44 | int32_t exceptionCode = reply.readExceptionCode(); |
| 45 | if (!exceptionCode) { |
| 46 | // Success is indicated here by a nonzero int followed by the fd; |
| 47 | // failure by a zero int with no data following. |
| 48 | if (reply.readInt32() != 0) { |
Nick Kralevich | ec9ec7d | 2016-12-17 19:47:27 -0800 | [diff] [blame] | 49 | fd = fcntl(reply.readParcelFileDescriptor(), F_DUPFD_CLOEXEC, 0); |
Sudheer Shanka | 6ef26f1 | 2016-11-23 15:52:26 -0800 | [diff] [blame] | 50 | } |
| 51 | } else { |
| 52 | // An exception was thrown back; fall through to return failure |
| 53 | ALOGD("openContentUri(%s) caught exception %d\n", |
| 54 | String8(stringUri).string(), exceptionCode); |
| 55 | } |
| 56 | } |
| 57 | return fd; |
| 58 | } |
Ganesh Mahendran | 4d85b8c | 2017-11-02 14:43:38 +0000 | [diff] [blame] | 59 | |
| 60 | virtual void registerUidObserver(const sp<IUidObserver>& observer, |
| 61 | const int32_t event, |
| 62 | const int32_t cutpoint, |
| 63 | const String16& callingPackage) |
| 64 | { |
| 65 | Parcel data, reply; |
| 66 | data.writeInterfaceToken(IActivityManager::getInterfaceDescriptor()); |
| 67 | data.writeStrongBinder(IInterface::asBinder(observer)); |
| 68 | data.writeInt32(event); |
| 69 | data.writeInt32(cutpoint); |
| 70 | data.writeString16(callingPackage); |
| 71 | remote()->transact(REGISTER_UID_OBSERVER_TRANSACTION, data, &reply); |
| 72 | } |
| 73 | |
| 74 | virtual void unregisterUidObserver(const sp<IUidObserver>& observer) |
| 75 | { |
| 76 | Parcel data, reply; |
| 77 | data.writeInterfaceToken(IActivityManager::getInterfaceDescriptor()); |
| 78 | data.writeStrongBinder(IInterface::asBinder(observer)); |
| 79 | remote()->transact(UNREGISTER_UID_OBSERVER_TRANSACTION, data, &reply); |
| 80 | } |
Svet Ganov | fa85180 | 2018-03-27 17:17:46 -0700 | [diff] [blame] | 81 | |
| 82 | virtual bool isUidActive(const uid_t uid, const String16& callingPackage) |
| 83 | { |
| 84 | Parcel data, reply; |
| 85 | data.writeInterfaceToken(IActivityManager::getInterfaceDescriptor()); |
| 86 | data.writeInt32(uid); |
| 87 | data.writeString16(callingPackage); |
| 88 | remote()->transact(IS_UID_ACTIVE_TRANSACTION, data, &reply); |
| 89 | // fail on exception |
| 90 | if (reply.readExceptionCode() != 0) return false; |
| 91 | return reply.readInt32() == 1; |
| 92 | } |
Eric Laurent | 0559589 | 2018-10-18 14:56:24 -0700 | [diff] [blame] | 93 | |
| 94 | virtual int32_t getUidProcessState(const uid_t uid, const String16& callingPackage) |
| 95 | { |
| 96 | Parcel data, reply; |
| 97 | data.writeInterfaceToken(IActivityManager::getInterfaceDescriptor()); |
| 98 | data.writeInt32(uid); |
| 99 | data.writeString16(callingPackage); |
| 100 | remote()->transact(GET_UID_PROCESS_STATE_TRANSACTION, data, &reply); |
| 101 | // fail on exception |
| 102 | if (reply.readExceptionCode() != 0) { |
| 103 | return ActivityManager::PROCESS_STATE_UNKNOWN; |
| 104 | } |
| 105 | return reply.readInt32(); |
| 106 | } |
Hui Yu | ef6532c | 2020-03-24 16:12:07 -0700 | [diff] [blame] | 107 | |
| 108 | virtual bool isUidActiveOrForeground(const uid_t uid, const String16& callingPackage) |
| 109 | { |
| 110 | Parcel data, reply; |
| 111 | data.writeInterfaceToken(IActivityManager::getInterfaceDescriptor()); |
| 112 | data.writeInt32(uid); |
| 113 | data.writeString16(callingPackage); |
| 114 | remote()->transact(IS_UID_ACTIVE_OR_FOREGROUND_TRANSACTION, data, &reply); |
| 115 | // fail on exception |
| 116 | if (reply.readExceptionCode() != 0) return false; |
| 117 | return reply.readInt32() == 1; |
| 118 | } |
Sudheer Shanka | 6ef26f1 | 2016-11-23 15:52:26 -0800 | [diff] [blame] | 119 | }; |
| 120 | |
| 121 | // ------------------------------------------------------------------------------------ |
| 122 | |
| 123 | IMPLEMENT_META_INTERFACE(ActivityManager, "android.app.IActivityManager"); |
| 124 | |
Steven Moreland | 6511af5 | 2019-09-26 16:05:45 -0700 | [diff] [blame] | 125 | } // namespace android |