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Use AIDL HAL for Dev GC

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Test: run idle maint
Bug: 177470478

Change-Id: Iefddf8628e31f020b86ff56dfb4926c2c9a2a888
This commit is contained in:
Yifan Hong 2021-01-13 17:27:42 -08:00
parent 8f0d45441c
commit e1e494519e
2 changed files with 37 additions and 2 deletions
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4
Android.bp
View file

@ -155,6 +155,8 @@ cc_library_static {
},
shared_libs: [
"android.hardware.health.storage@1.0",
"android.hardware.health.storage-unstable-ndk_platform",
"libbinder_ndk",
],
whole_static_libs: [
"com.android.sysprop.apex",
@ -184,6 +186,8 @@ cc_binary {
shared_libs: [
"android.hardware.health.storage@1.0",
"android.hardware.health.storage-unstable-ndk_platform",
"libbinder_ndk",
],
}

35
IdleMaint.cpp
View file

@ -24,11 +24,14 @@
#include <thread>
#include <utility>
#include <aidl/android/hardware/health/storage/BnGarbageCollectCallback.h>
#include <aidl/android/hardware/health/storage/IStorage.h>
#include <android-base/chrono_utils.h>
#include <android-base/file.h>
#include <android-base/logging.h>
#include <android-base/stringprintf.h>
#include <android-base/strings.h>
#include <android/binder_manager.h>
#include <android/hardware/health/storage/1.0/IStorage.h>
#include <fs_mgr.h>
#include <private/android_filesystem_config.h>
@ -49,9 +52,14 @@ using android::base::Timer;
using android::base::WriteStringToFile;
using android::hardware::Return;
using android::hardware::Void;
using AStorage = aidl::android::hardware::health::storage::IStorage;
using ABnGarbageCollectCallback =
aidl::android::hardware::health::storage::BnGarbageCollectCallback;
using AResult = aidl::android::hardware::health::storage::Result;
using HStorage = android::hardware::health::storage::V1_0::IStorage;
using HGarbageCollectCallback = android::hardware::health::storage::V1_0::IGarbageCollectCallback;
using HResult = android::hardware::health::storage::V1_0::Result;
using std::string_literals::operator""s;
namespace android {
namespace vold {
@ -301,9 +309,9 @@ static void runDevGcFstab(void) {
return;
}
enum class IDL { HIDL };
enum class IDL { HIDL, AIDL };
std::ostream& operator<<(std::ostream& os, IDL idl) {
return os << "HIDL";
return os << (idl == IDL::HIDL ? "HIDL" : "AIDL");
}
template <IDL idl, typename Result>
@ -338,6 +346,14 @@ class GcCallbackImpl {
Result mResult{Result::UNKNOWN_ERROR};
};
class AGcCallbackImpl : public ABnGarbageCollectCallback,
public GcCallbackImpl<IDL::AIDL, AResult> {
ndk::ScopedAStatus onFinish(AResult result) override {
onFinishInternal(result);
return ndk::ScopedAStatus::ok();
}
};
class HGcCallbackImpl : public HGarbageCollectCallback, public GcCallbackImpl<IDL::HIDL, HResult> {
Return<void> onFinish(HResult result) override {
onFinishInternal(result);
@ -358,6 +374,21 @@ static void runDevGcOnHal(Service service, GcCallbackImpl cb, GetDescription get
}
static void runDevGc(void) {
auto aidl_service_name = AStorage::descriptor + "/default"s;
if (AServiceManager_isDeclared(aidl_service_name.c_str())) {
ndk::SpAIBinder binder(AServiceManager_waitForService(aidl_service_name.c_str()));
if (binder.get() != nullptr) {
std::shared_ptr<AStorage> aidl_service = AStorage::fromBinder(binder);
if (aidl_service != nullptr) {
runDevGcOnHal<IDL::AIDL>(aidl_service, ndk::SharedRefBase::make<AGcCallbackImpl>(),
&ndk::ScopedAStatus::getDescription);
return;
}
}
LOG(WARNING) << "Device declares " << aidl_service_name
<< " but it is not running, skip dev GC on AIDL HAL";
return;
}
auto hidl_service = HStorage::getService();
if (hidl_service != nullptr) {
runDevGcOnHal<IDL::HIDL>(hidl_service, sp<HGcCallbackImpl>(new HGcCallbackImpl()),