UDevMonitor.h

#pragma once

#include <list>
#include <set>
#include <string>

#include <Poco/AtomicCounter.h>
#include <Poco/Timespan.h>

#include "hotplug/AbstractHotplugMonitor.h"
#include "loop/StoppableRunnable.h"

struct udev;
struct udev_device;
struct udev_monitor;

namespace BeeeOn {

class UDevMonitor : public StoppableRunnable, public AbstractHotplugMonitor {
public:
        UDevMonitor();
        ~UDevMonitor();

        void run() override;
        void stop() override;

        void setMatches(const std::list<std::string> &matches);
        void setPollTimeout(const Poco::Timespan &timeout);
        void setIncludeParents(bool enable);

        void initialScan();

private:
        struct udev_monitor *createMonitor();
        struct udev_monitor *doCreateMonitor();
        void collectProperties(
                HotplugEvent::Properties &event, struct udev_device *dev) const;
        HotplugEvent createEvent(struct udev_device *dev) const;
        void scanDevice(struct udev_monitor *mon);
        void throwFromErrno(const std::string &name);

private:
        std::set<std::string> m_matches;
        Poco::AtomicCounter m_stop;
        Poco::Timespan m_pollTimeout;
        bool m_includeParents;
        struct udev *m_udev;
};

}