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/*
* Copyright (C) 2017 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.
*/
#define LOG_TAG "schedulerservicehidl"
#include "SchedulingPolicyService.h"
#include <private/android_filesystem_config.h> // for AID_CAMERASERVER
#include <log/log.h>
#include <hwbinder/IPCThreadState.h>
#include <mediautils/SchedulingPolicyService.h>
namespace android {
namespace frameworks {
namespace schedulerservice {
namespace V1_0 {
namespace implementation {
bool SchedulingPolicyService::isAllowed() {
using ::android::hardware::IPCThreadState;
return IPCThreadState::self()->getCallingUid() == AID_CAMERASERVER;
}
Return<bool> SchedulingPolicyService::requestPriority(int32_t pid, int32_t tid, int32_t priority) {
if (priority < static_cast<int32_t>(Priority::MIN) ||
priority > static_cast<int32_t>(Priority::MAX)) {
return false;
}
if (!isAllowed()) {
return false;
}
// TODO(b/37226359): decouple from and remove AIDL service
// this should always be allowed since we are in system_server.
int value = ::android::requestPriority(pid, tid, priority, false /* isForApp */);
return value == 0 /* success */;
}
Return<int32_t> SchedulingPolicyService::getMaxAllowedPriority() {
if (!isAllowed()) {
return 0;
}
// TODO(b/37226359): decouple from and remove AIDL service
return 3;
}
} // namespace implementation
} // namespace V1_0
} // namespace schedulerservice
} // namespace frameworks
} // namespace android