lcameraDev: Add session mgr lib for libcamera device binding

commonLibs/lcameraDev/tools/lcameraDevListCameras.cpp

@@ -0,0 +1,71 @@
+#include <boostAsioLinkageFix.h>
+
+#include <lcameraDev.h>
+#include <probeRunner.h>
+#include <iostream>
+#include <spinscale/co/nonViralTaskNursery.h>
+
+namespace {
+
+sscl::co::NonViralNonPostingInvoker listCamerasCInd(
+	std::exception_ptr& exceptionStorage,
+	std::function<void()> callerLambda)
+{
+	(void)exceptionStorage;
+	(void)callerLambda;
+
+	const std::vector<lcamera_dev::LcameraDevCameraInfo> cameras =
+		co_await lcameraDev_enumerateCamerasCReq();
+
+	std::cout << "lcameraDev: found " << cameras.size() << " camera(s)\n";
+
+	for (size_t i = 0; i < cameras.size(); ++i)
+	{
+		const lcamera_dev::LcameraDevCameraInfo& info = cameras[i];
+
+		std::cout << "  [" << i << "] id=" << info.id;
+		if (!info.model.empty()) {
+			std::cout << " model=" << info.model;
+		}
+		if (!info.location.empty()) {
+			std::cout << " location=" << info.location;
+		}
+		std::cout << '\n';
+	}
+
+	co_return;
+}
+
+void runListCameras(
+	const std::shared_ptr<sscl::ComponentThread>& componentThread)
+{
+	lcameraDev_main(componentThread);
+
+	sscl::co::NonViralTaskNursery nursery;
+	nursery.openAdmission();
+	nursery.launch(
+		[](sscl::co::NonViralTaskNursery::Slot::Lease& lease)
+		{
+			return listCamerasCInd(
+				lease.getExceptionStorage(),
+				lease.getCallerLambda());
+		});
+	nursery.closeAdmission();
+	nursery.syncAwaitAllSettlements(componentThread->getIoContext());
+
+	lcameraDev_exit();
+}
+
+} // namespace
+
+int main()
+{
+	try {
+		lcamera_dev_probe::runOnComponentThread(runListCameras);
+		return 0;
+	}
+	catch (const std::exception& exc) {
+		std::cerr << "lcameraDev_list_cameras: " << exc.what() << '\n';
+		return 1;
+	}
+}