90 lines
2.4 KiB
C++
90 lines
2.4 KiB
C++
#include <config.h>
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#include <iostream>
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#include <functional>
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#include <componentThread.h>
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#include <adapters/boostAsio/deadlineTimerAReq.h>
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#include <deviceManager/deviceReattacher.h>
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#include <deviceManager/deviceManager.h>
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#include <spinscale/co/nonViralCompletion.h>
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namespace smo {
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namespace device {
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DeviceReattacher::DeviceReattacher(
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DeviceManager& parent, std::shared_ptr<sscl::ComponentThread> ioThread)
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: parent(parent),
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ioThread(ioThread), daemonTimer(ioThread->getIoContext())
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{
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/** EXPLANATION:
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* deviceReattacherCDaemon is a dynamic posting non-viral coroutine: start()
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* passes ExplicitPostTarget{ioThread->getIoContext()} so the daemon body
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* always runs on ioThread. daemonTimer is reused each loop iteration.
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*/
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}
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sscl::co::DynamicNonViralPostingInvoker
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DeviceReattacher::deviceReattacherCDaemon(
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[[maybe_unused]] sscl::co::ExplicitPostTarget postTarget,
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[[maybe_unused]] std::exception_ptr &exceptionPtr,
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[[maybe_unused]] std::function<void()> callback,
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sscl::SyncCancelerForAsyncWork &canceler)
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{
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boost::asio::io_context &timerIoContext =
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sscl::ComponentThread::getSelf()->getIoContext();
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const auto periodMs = boost::posix_time::milliseconds(
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CONFIG_MRNTT_DEVMGR_REATTACHER_PERIOD_MS);
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while (!canceler.isCancellationRequested())
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{
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const bool expiredNormally = co_await
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adapters::boostAsio::getDeadlineTimerAReqAwaiter(
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timerIoContext, daemonTimer, periodMs);
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if (!expiredNormally) {
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break;
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}
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co_await parent.attachAllUnattachedDevicesFromKnownListCReq();
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}
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co_return;
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}
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void DeviceReattacher::start()
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{
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taskNursery.openAdmission();
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taskNursery.launch(
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[this](sscl::co::NonViralTaskNursery::Slot::Lease &lease)
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{
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return deviceReattacherCDaemon(
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sscl::co::ExplicitPostTarget{ioThread->getIoContext()},
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lease.getExceptionStorage(),
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lease.getCallerLambda(),
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lease.getSyncCanceler());
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},
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[](std::exception_ptr &exceptionPtr)
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{
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sscl::co::NonViralCompletion nvc(exceptionPtr);
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if (nvc.hasException())
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{
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try {
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nvc.checkAndRethrowException();
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} catch (const std::exception &e) {
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std::cerr << "DeviceReattacher: "
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<< e.what() << std::endl;
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}
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}
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});
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}
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void DeviceReattacher::stop()
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{
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daemonTimer.cancel();
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taskNursery.requestCancelOnAll();
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taskNursery.closeAdmission();
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taskNursery.syncAwaitAllSettlements(ioThread->getIoContext());
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}
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} // namespace device
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} // namespace smo
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