tequilaOS/platform_hardware_interfaces
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dumpstate example: use new lazy hal mechanism

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hwservicemanager will now shutdown the service when it is not in use.
This puts less restrictions on clients.

Bug: N/A
Test: build only (this is an example implementation not used on any
    device)

Change-Id: I4641e727f6e4c3ca5d97d53a66b3cc0fee6f12f3
This commit is contained in:
Steven Moreland 2019-10-02 17:00:44 -07:00
parent 772fb53999
commit 1f4d49f896
2 changed files with 9 additions and 10 deletions
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5
dumpstate/1.0/default/DumpstateDevice.cpp
View file

@ -37,11 +37,6 @@ Return<void> DumpstateDevice::dumpstateBoard(const hidl_handle& handle) {
// NOTE: this is just an example on how to use the DumpstateUtil.h functions to implement
// this interface.
// Exit when dump is completed since this is a lazy HAL.
addPostCommandTask([]() {
exit(0);
});
if (handle == nullptr || handle->numFds < 1) {
ALOGE("no FDs\n");
return Void();

14
dumpstate/1.0/default/service.cpp
View file

@ -15,22 +15,26 @@
*/
#define LOG_TAG "android.hardware.dumpstate@1.0-service"
#include <hidl/HidlLazyUtils.h>
#include <hidl/HidlSupport.h>
#include <hidl/HidlTransportSupport.h>
#include "DumpstateDevice.h"
using ::android::hardware::configureRpcThreadpool;
using ::android::hardware::dumpstate::V1_0::IDumpstateDevice;
using ::android::hardware::dumpstate::V1_0::implementation::DumpstateDevice;
using ::android::hardware::joinRpcThreadpool;
using ::android::OK;
using ::android::sp;
using ::android::hardware::configureRpcThreadpool;
using ::android::hardware::joinRpcThreadpool;
using ::android::hardware::LazyServiceRegistrar;
using ::android::hardware::dumpstate::V1_0::IDumpstateDevice;
using ::android::hardware::dumpstate::V1_0::implementation::DumpstateDevice;
int main(int /* argc */, char* /* argv */ []) {
sp<IDumpstateDevice> dumpstate = new DumpstateDevice;
configureRpcThreadpool(1, true /* will join */);
if (dumpstate->registerAsService() != OK) {
auto registrar = LazyServiceRegistrar::getInstance();
if (registrar.registerService(dumpstate) != OK) {
ALOGE("Could not register service.");
return 1;
}