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/*
* Copyright 2015 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 <processinfo/IProcessInfoService.h>
#include <binder/Parcel.h>
#include <utils/Errors.h>
#include <sys/types.h>
namespace android {
// ----------------------------------------------------------------------
class BpProcessInfoService : public BpInterface<IProcessInfoService> {
public:
explicit BpProcessInfoService(const sp<IBinder>& impl)
: BpInterface<IProcessInfoService>(impl) {}
virtual status_t getProcessStatesFromPids(size_t length, /*in*/ int32_t* pids,
/*out*/ int32_t* states)
{
Parcel data, reply;
data.writeInterfaceToken(IProcessInfoService::getInterfaceDescriptor());
data.writeInt32Array(length, pids);
data.writeInt32(length); // write length of output array, used by java AIDL stubs
status_t err = remote()->transact(GET_PROCESS_STATES_FROM_PIDS, data, &reply);
if (err != NO_ERROR || ((err = reply.readExceptionCode()) != NO_ERROR)) {
return err;
}
int32_t replyLen = reply.readInt32();
if (static_cast<size_t>(replyLen) != length) {
return NOT_ENOUGH_DATA;
}
if (replyLen > 0 && (err = reply.read(states, length * sizeof(*states))) != NO_ERROR) {
return err;
}
return reply.readInt32();
}
virtual status_t getProcessStatesAndOomScoresFromPids(size_t length,
/*in*/ int32_t* pids, /*out*/ int32_t* states, /*out*/ int32_t* scores)
{
Parcel data, reply;
data.writeInterfaceToken(IProcessInfoService::getInterfaceDescriptor());
data.writeInt32Array(length, pids);
// write length of output arrays, used by java AIDL stubs
data.writeInt32(length);
data.writeInt32(length);
status_t err = remote()->transact(
GET_PROCESS_STATES_AND_OOM_SCORES_FROM_PIDS, data, &reply);
if (err != NO_ERROR
|| ((err = reply.readExceptionCode()) != NO_ERROR)) {
return err;
}
int32_t replyLen = reply.readInt32();
if (static_cast<size_t>(replyLen) != length) {
return NOT_ENOUGH_DATA;
}
if (replyLen > 0 && (err = reply.read(
states, length * sizeof(*states))) != NO_ERROR) {
return err;
}
replyLen = reply.readInt32();
if (static_cast<size_t>(replyLen) != length) {
return NOT_ENOUGH_DATA;
}
if (replyLen > 0 && (err = reply.read(
scores, length * sizeof(*scores))) != NO_ERROR) {
return err;
}
return reply.readInt32();
}
};
IMPLEMENT_META_INTERFACE(ProcessInfoService, "android.os.IProcessInfoService")
// ----------------------------------------------------------------------
} // namespace android
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