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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.
*/
#include <hidl/HidlTransportSupport.h>
#include <hidl/HidlBinderSupport.h>
#include <android/hidl/manager/1.0/IServiceManager.h>
namespace android {
namespace hardware {
void configureRpcThreadpool(size_t maxThreads, bool callerWillJoin) {
// TODO(b/32756130) this should be transport-dependent
configureBinderRpcThreadpool(maxThreads, callerWillJoin);
}
void joinRpcThreadpool() {
// TODO(b/32756130) this should be transport-dependent
joinBinderRpcThreadpool();
}
int setupTransportPolling() {
return setupBinderPolling();
}
status_t handleTransportPoll(int /*fd*/) {
return handleBinderPoll();
}
// TODO(b/122472540): only store one data item per object
template <typename V>
static void pruneMapLocked(ConcurrentMap<wp<::android::hidl::base::V1_0::IBase>, V>& map) {
using ::android::hidl::base::V1_0::IBase;
std::vector<wp<IBase>> toDelete;
for (const auto& kv : map) {
if (kv.first.promote() == nullptr) {
toDelete.push_back(kv.first);
}
}
for (const auto& k : toDelete) {
map.eraseLocked(k);
}
}
bool setMinSchedulerPolicy(const sp<::android::hidl::base::V1_0::IBase>& service,
int policy, int priority) {
if (service->isRemote()) {
ALOGE("Can't set scheduler policy on remote service.");
return false;
}
if (policy != SCHED_NORMAL && policy != SCHED_FIFO && policy != SCHED_RR) {
ALOGE("Invalid scheduler policy %d", policy);
return false;
}
if (policy == SCHED_NORMAL && (priority < -20 || priority > 19)) {
ALOGE("Invalid priority for SCHED_NORMAL: %d", priority);
return false;
} else if (priority < 1 || priority > 99) {
ALOGE("Invalid priority for real-time policy: %d", priority);
return false;
}
details::gServicePrioMap.set(service, { policy, priority });
return true;
}
bool setRequestingSid(const sp<::android::hidl::base::V1_0::IBase>& service, bool requesting) {
if (service->isRemote()) {
ALOGE("Can't set requesting sid on remote service.");
return false;
}
// Due to ABI considerations, IBase cannot have a destructor to clean this up.
// So, because this API is so infrequently used, (expected to be usually only
// one time for a process, but it can be more), we are cleaning it up here.
std::unique_lock<std::mutex> lock = details::gServiceSidMap.lock();
pruneMapLocked(details::gServiceSidMap);
details::gServiceSidMap.setLocked(service, requesting);
return true;
}
namespace details {
int32_t getPidIfSharable() {
#if LIBHIDL_TARGET_DEBUGGABLE
return getpid();
#else
using android::hidl::manager::V1_0::IServiceManager;
return static_cast<int32_t>(IServiceManager::PidConstant::NO_PID);
#endif
}
} // namespace details
} // namespace hardware
} // namespace android
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