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/*
* Copyright (C) 2024 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 <powermanager/PowerHintSessionWrapper.h>
using namespace aidl::android::hardware::power;
namespace android::power {
// Caches support for a given call in a static variable, checking both
// the return value and interface version.
#define CACHE_SUPPORT(version, method) \
({ \
static bool support = mInterfaceVersion >= version; \
!support ? decltype(method)::unsupported() : ({ \
auto result = method; \
if (result.isUnsupported()) { \
support = false; \
} \
std::move(result); \
}); \
})
#define CHECK_SESSION(resultType) \
if (mSession == nullptr) { \
return HalResult<resultType>::failed("Session not running"); \
}
// FWD_CALL just forwards calls from the wrapper to the session object.
// It only works if the call has no return object, as is the case with all calls
// except getSessionConfig.
#define FWD_CALL(version, name, args, untypedArgs) \
HalResult<void> PowerHintSessionWrapper::name args { \
CHECK_SESSION(void) \
return CACHE_SUPPORT(version, HalResult<void>::fromStatus(mSession->name untypedArgs)); \
}
PowerHintSessionWrapper::PowerHintSessionWrapper(std::shared_ptr<IPowerHintSession>&& session)
: mSession(session) {
if (mSession != nullptr) {
mSession->getInterfaceVersion(&mInterfaceVersion);
}
}
// Support for individual hints/modes is not really handled here since there
// is no way to check for it, so in the future if a way to check that is added,
// this will need to be updated.
FWD_CALL(2, updateTargetWorkDuration, (int64_t in_targetDurationNanos), (in_targetDurationNanos));
FWD_CALL(2, reportActualWorkDuration, (const std::vector<WorkDuration>& in_durations),
(in_durations));
FWD_CALL(2, pause, (), ());
FWD_CALL(2, resume, (), ());
FWD_CALL(2, close, (), ());
FWD_CALL(4, sendHint, (SessionHint in_hint), (in_hint));
FWD_CALL(4, setThreads, (const std::vector<int32_t>& in_threadIds), (in_threadIds));
FWD_CALL(5, setMode, (SessionMode in_type, bool in_enabled), (in_type, in_enabled));
HalResult<SessionConfig> PowerHintSessionWrapper::getSessionConfig() {
CHECK_SESSION(SessionConfig);
SessionConfig config;
return CACHE_SUPPORT(5,
HalResult<SessionConfig>::fromStatus(mSession->getSessionConfig(&config),
std::move(config)));
}
} // namespace android::power
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