/*
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* Copyright (C) 2016 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include <unistd.h>
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#include <fcntl.h>
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#include <binder/ActivityManager.h>
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#include <binder/IActivityManager.h>
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#include <binder/Parcel.h>
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namespace android {
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// ------------------------------------------------------------------------------------
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class BpActivityManager : public BpInterface<IActivityManager>
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{
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public:
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explicit BpActivityManager(const sp<IBinder>& impl)
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: BpInterface<IActivityManager>(impl)
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{
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}
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virtual int openContentUri(const String16& stringUri)
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{
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Parcel data, reply;
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data.writeInterfaceToken(IActivityManager::getInterfaceDescriptor());
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data.writeString16(stringUri);
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status_t ret = remote()->transact(OPEN_CONTENT_URI_TRANSACTION, data, & reply);
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int fd = -1;
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if (ret == NO_ERROR) {
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int32_t exceptionCode = reply.readExceptionCode();
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if (!exceptionCode) {
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// Success is indicated here by a nonzero int followed by the fd;
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// failure by a zero int with no data following.
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if (reply.readInt32() != 0) {
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fd = fcntl(reply.readParcelFileDescriptor(), F_DUPFD_CLOEXEC, 0);
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}
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} else {
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// An exception was thrown back; fall through to return failure
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ALOGD("openContentUri(%s) caught exception %d\n",
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String8(stringUri).string(), exceptionCode);
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}
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}
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return fd;
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}
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virtual void registerUidObserver(const sp<IUidObserver>& observer,
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const int32_t event,
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const int32_t cutpoint,
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const String16& callingPackage)
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{
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Parcel data, reply;
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data.writeInterfaceToken(IActivityManager::getInterfaceDescriptor());
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data.writeStrongBinder(IInterface::asBinder(observer));
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data.writeInt32(event);
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data.writeInt32(cutpoint);
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data.writeString16(callingPackage);
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remote()->transact(REGISTER_UID_OBSERVER_TRANSACTION, data, &reply);
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}
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virtual void unregisterUidObserver(const sp<IUidObserver>& observer)
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{
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Parcel data, reply;
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data.writeInterfaceToken(IActivityManager::getInterfaceDescriptor());
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data.writeStrongBinder(IInterface::asBinder(observer));
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remote()->transact(UNREGISTER_UID_OBSERVER_TRANSACTION, data, &reply);
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}
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virtual bool isUidActive(const uid_t uid, const String16& callingPackage)
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{
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Parcel data, reply;
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data.writeInterfaceToken(IActivityManager::getInterfaceDescriptor());
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data.writeInt32(uid);
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data.writeString16(callingPackage);
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remote()->transact(IS_UID_ACTIVE_TRANSACTION, data, &reply);
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// fail on exception
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if (reply.readExceptionCode() != 0) return false;
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return reply.readInt32() == 1;
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}
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virtual int32_t getUidProcessState(const uid_t uid, const String16& callingPackage)
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{
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Parcel data, reply;
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data.writeInterfaceToken(IActivityManager::getInterfaceDescriptor());
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data.writeInt32(uid);
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data.writeString16(callingPackage);
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remote()->transact(GET_UID_PROCESS_STATE_TRANSACTION, data, &reply);
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// fail on exception
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if (reply.readExceptionCode() != 0) {
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return ActivityManager::PROCESS_STATE_UNKNOWN;
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}
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return reply.readInt32();
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}
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};
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// ------------------------------------------------------------------------------------
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IMPLEMENT_META_INTERFACE(ActivityManager, "android.app.IActivityManager");
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}; // namespace android
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