1 /*
2 * Copyright (C) 2017 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 <binder/IUidObserver.h>
18
19 #include <binder/Parcel.h>
20
21 namespace android {
22
23 // ------------------------------------------------------------------------------------
24
25 class BpUidObserver : public BpInterface<IUidObserver>
26 {
27 public:
BpUidObserver(const sp<IBinder> & impl)28 explicit BpUidObserver(const sp<IBinder>& impl)
29 : BpInterface<IUidObserver>(impl)
30 {
31 }
32
onUidGone(uid_t uid,bool disabled)33 virtual void onUidGone(uid_t uid, bool disabled)
34 {
35 Parcel data, reply;
36 data.writeInterfaceToken(IUidObserver::getInterfaceDescriptor());
37 data.writeInt32((int32_t) uid);
38 data.writeInt32(disabled ? 1 : 0);
39 remote()->transact(ON_UID_GONE_TRANSACTION, data, &reply, IBinder::FLAG_ONEWAY);
40 }
41
onUidActive(uid_t uid)42 virtual void onUidActive(uid_t uid)
43 {
44 Parcel data, reply;
45 data.writeInterfaceToken(IUidObserver::getInterfaceDescriptor());
46 data.writeInt32((int32_t) uid);
47 remote()->transact(ON_UID_ACTIVE_TRANSACTION, data, &reply, IBinder::FLAG_ONEWAY);
48 }
49
onUidIdle(uid_t uid,bool disabled)50 virtual void onUidIdle(uid_t uid, bool disabled)
51 {
52 Parcel data, reply;
53 data.writeInterfaceToken(IUidObserver::getInterfaceDescriptor());
54 data.writeInt32((int32_t) uid);
55 data.writeInt32(disabled ? 1 : 0);
56 remote()->transact(ON_UID_IDLE_TRANSACTION, data, &reply, IBinder::FLAG_ONEWAY);
57 }
58
onUidStateChanged(uid_t uid,int32_t procState,int64_t procStateSeq)59 virtual void onUidStateChanged(uid_t uid, int32_t procState, int64_t procStateSeq)
60 {
61 Parcel data, reply;
62 data.writeInterfaceToken(IUidObserver::getInterfaceDescriptor());
63 data.writeInt32((int32_t) uid);
64 data.writeInt32(procState);
65 data.writeInt64(procStateSeq);
66 remote()->transact(ON_UID_STATE_CHANGED_TRANSACTION, data, &reply, IBinder::FLAG_ONEWAY);
67 }
68 };
69
70 // ----------------------------------------------------------------------
71
72 IMPLEMENT_META_INTERFACE(UidObserver, "android.app.IUidObserver");
73
74 // ----------------------------------------------------------------------
75
onTransact(uint32_t code,const Parcel & data,Parcel * reply,uint32_t flags)76 status_t BnUidObserver::onTransact(
77 uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags)
78 {
79 switch(code) {
80 case ON_UID_GONE_TRANSACTION: {
81 CHECK_INTERFACE(IUidObserver, data, reply);
82 uid_t uid = data.readInt32();
83 bool disabled = data.readInt32() == 1;
84 onUidGone(uid, disabled);
85 return NO_ERROR;
86 } break;
87
88 case ON_UID_ACTIVE_TRANSACTION: {
89 CHECK_INTERFACE(IUidObserver, data, reply);
90 uid_t uid = data.readInt32();
91 onUidActive(uid);
92 return NO_ERROR;
93 } break;
94
95 case ON_UID_IDLE_TRANSACTION: {
96 CHECK_INTERFACE(IUidObserver, data, reply);
97 uid_t uid = data.readInt32();
98 bool disabled = data.readInt32() == 1;
99 onUidIdle(uid, disabled);
100 return NO_ERROR;
101 } break;
102 case ON_UID_STATE_CHANGED_TRANSACTION: {
103 CHECK_INTERFACE(IUidObserver, data, reply);
104 uid_t uid = data.readInt32();
105 int32_t procState = data.readInt32();
106 int64_t procStateSeq = data.readInt64();
107 onUidStateChanged(uid, procState, procStateSeq);
108 return NO_ERROR;
109 } break;
110 default:
111 return BBinder::onTransact(code, data, reply, flags);
112 }
113 }
114
115 }; // namespace android
116