Rewrite logid::DeviceMonitor

src/logid/CMakeLists.txt

@@ -12,6 +12,8 @@ add_executable(logid
         logid.cpp
         util.cpp
         DeviceMonitor.cpp
+        Device.cpp
+        Receiver.cpp
         backend/Error.cpp
         backend/raw/DeviceMonitor.cpp
         backend/raw/RawDevice.cpp

src/logid/Device.cpp

@@ -1,551 +1,20 @@
-#include <cstdint>
-#include <future>
-#include <unistd.h>
-#include <hidpp/SimpleDispatcher.h>
-#include <hidpp20/IAdjustableDPI.h>
-#include <hidpp20/IFeatureSet.h>
-#include <hidpp20/Error.h>
-#include <hidpp20/IReprogControls.h>
-#include <hidpp20/IReset.h>
-#include <hidpp20/ISmartShift.h>
-#include <hidpp20/Device.h>
-#include <hidpp10/Error.h>
-#include <algorithm>
-#include <cstring>
-#include <utility>
-#include <set>
-#include <hidpp20/UnsupportedFeature.h>
-#include <hidpp20/IHiresScroll.h>
-
-#include "Device.h"
 #include "util.h"
-#include "EvdevDevice.h"
+#include "Device.h"
 
 using namespace logid;
 
-using namespace std::chrono_literals;
+Device::Device(std::string path, backend::hidpp::DeviceIndex index) :
-
+    _hidpp20 (path, index), _path (path), _index (index)
-Device::Device(std::string p, const HIDPP::DeviceIndex i) : path(std::move(p)), index (i)
 {
-    disconnected = true;
+    log_printf(DEBUG, "logid::Device created on %s:%d");
-    dispatcher = new HIDPP::SimpleDispatcher(path.c_str());
-    listener = new SimpleListener(new HIDPP::SimpleDispatcher(path.c_str()), index);
-    config = new DeviceConfig();
 }
 
-bool Device::init()
+void Device::sleep()
 {
-    // Initialise variables
+    log_printf(INFO, "%s:%d fell asleep.", _path.c_str(), _index);
-    disconnected = false;
-    try
-    {
-        hidpp_dev = new HIDPP20::Device(dispatcher, index);
-    }
-    catch(HIDPP10::Error &e) { return false; }
-    catch(HIDPP20::Error &e) { return false; }
-
-    name = hidpp_dev->name();
-
-    if(std::find(global_config->blacklist.begin(), global_config->blacklist.end(),
-                 hidpp_dev->productID()) != global_config->blacklist.end())
-    {
-        log_printf(INFO, "Ignored blacklisted device %s", name.c_str());
-        throw BlacklistedDevice();
-    }
-
-    features = getFeatures();
-    // Set config, if none is found for this device then use default
-    if(global_config->devices.find(name) == global_config->devices.end())
-        log_printf(INFO, "Device %s not configured, using default config.", hidpp_dev->name().c_str());
-    else
-    {
-        delete(config);
-        config = global_config->devices.find(name)->second;
-    }
-
-    initialized = true;
-
-    return true;
 }
 
-Device::~Device()
+void Device::wakeup()
 {
-    if(!disconnected)
+    log_printf(INFO, "%s:%d woke up.", _path.c_str(), _index);
-        this->reset();
-    if(!config->baseConfig)
-        delete(this->config);
-}
-
-void Device::configure()
-{
-    if(config->baseConfig)
-        config = new DeviceConfig(config, this);
-
-    if(!configuring.try_lock())
-    {
-        log_printf(DEBUG, "%s %d: skip config task", path.c_str(), index);
-        return;
-    }
-    usleep(500000);
-
-    try
-    {
-        if(disconnected)
-            goto ret;
-        // Divert buttons
-        divert_buttons();
-
-        if(disconnected)
-            goto ret;
-        // Set DPI if it is configured
-        if(config->dpi != nullptr)
-            setDPI(*config->dpi);
-
-        if(disconnected)
-            goto ret;
-        // Set Smartshift if it is configured
-        if(config->smartshift != nullptr)
-            setSmartShift(*config->smartshift);
-
-        if(disconnected)
-            goto ret;
-        // Set Hires Scroll if it is configured
-        if(config->hiresscroll != nullptr)
-            setHiresScroll(*config->hiresscroll);
-    }
-    catch(HIDPP10::Error &e)
-    {
-        log_printf(ERROR, "HID++ 1.0 Error whjle configuring %s: %s", name.c_str(), e.what());
-    }
-
-ret:
-    configuring.unlock();
-}
-
-void Device::reset()
-{
-    try
-    {
-        HIDPP20::IReset iReset(hidpp_dev);
-        iReset.reset();
-    }
-    catch(HIDPP20::UnsupportedFeature &e) { }
-    catch(HIDPP10::Error &e)
-    {
-        log_printf(ERROR, "Failed to reset %s: %s", name.c_str(), e.what());
-    }
-}
-
-void Device::divert_buttons()
-{
-    try
-    {
-        HIDPP20::IReprogControls irc = HIDPP20::IReprogControls::auto_version(hidpp_dev);
-        if(disconnected)
-            return;
-        int controlCount = irc.getControlCount();
-        for(int i = 0; i < controlCount; i++)
-        {
-            if(disconnected)
-                return;
-            uint16_t cid = irc.getControlInfo(i).control_id;
-            uint8_t flags = 0;
-            flags |= HIDPP20::IReprogControls::ChangeTemporaryDivert;
-            flags |= HIDPP20::IReprogControls::ChangeRawXYDivert;
-
-            auto action = config->actions.find(cid);
-            if(action != config->actions.end())
-            {
-                flags |= HIDPP20::IReprogControls::ChangeTemporaryDivert;
-                flags |= HIDPP20::IReprogControls::TemporaryDiverted;
-                if(action->second->type == Action::Gestures)
-                    flags |= HIDPP20::IReprogControls::RawXYDiverted;
-            }
-            if(disconnected)
-                return;
-            irc.setControlReporting(cid, flags, cid);
-        }
-    }
-    catch(HIDPP20::UnsupportedFeature &e)
-    {
-        log_printf(DEBUG, "%s does not support Reprog controls, not diverting!", name.c_str());
-    }
-    catch(HIDPP20::Error &e)
-    {
-        if(e.errorCode() == HIDPP20::Error::InvalidFunctionID) {
-            // Not really an error, the device does not support diverting buttons
-        }
-        else {
-            log_printf(ERROR, "Could not divert buttons: HID++ 2.0 Error %s!", e.what());
-        }
-    }
-    catch(HIDPP10::Error &e)
-    {
-        log_printf(DEBUG, "Could not divert buttons: HID++ 1.0 Error %s!", e.what());
-    }
-}
-
-void Device::setSmartShift(HIDPP20::ISmartShift::SmartshiftStatus ops)
-{
-    try
-    {
-        if(disconnected) return;
-        HIDPP20::ISmartShift ss(hidpp_dev);
-        if(disconnected) return;
-        ss.setStatus(ops);
-    }
-    catch (HIDPP20::UnsupportedFeature &e)
-    {
-        log_printf(ERROR, "Device does not support SmartShift");
-    }
-    catch (HIDPP20::Error &e)
-    {
-        log_printf(ERROR, "Error setting SmartShift options, code %d: %s\n", e.errorCode(), e.what());
-    }
-}
-
-void Device::setHiresScroll(uint8_t ops)
-{
-    try
-    {
-        if(disconnected) return;
-        HIDPP20::IHiresScroll hs(hidpp_dev);
-        if(disconnected) return;
-        hs.setMode(ops);
-    }
-    catch (HIDPP20::UnsupportedFeature &e)
-    {
-        log_printf(ERROR, "Device does not support Hires Scrolling");
-    }
-    catch (HIDPP20::Error &e)
-    {
-        log_printf(ERROR, "Error setting Hires Scrolling options, code %d: %s\n", e.errorCode(), e.what());
-    }
-}
-
-void Device::setDPI(int dpi)
-{
-    if(disconnected) return;
-    HIDPP20::IAdjustableDPI iad(hidpp_dev);
-    if(disconnected) return;
-    try { for(unsigned int i = 0; i < iad.getSensorCount(); i++) iad.setSensorDPI(i, dpi); }
-    catch (HIDPP20::Error &e) { log_printf(ERROR, "Error while setting DPI: %s", e.what()); }
-}
-
-void Device::waitForReceiver()
-{
-    while(true)
-    {
-        waiting_for_receiver = true;
-        listener->addEventHandler(std::make_unique<ReceiverHandler>(this));
-        listener->start();
-        // Listener stopped, check if stopped or ReceiverHandler event
-        if (waiting_for_receiver)
-            return;
-
-        usleep(200000);
-
-        try
-        {
-            if(this->init()) break;
-        }
-        catch(BlacklistedDevice& e) { return; }
-
-        log_printf(ERROR, "Failed to initialize device %d on %s, waiting for receiver");
-        delete(listener);
-        listener = new SimpleListener(new HIDPP::SimpleDispatcher(path.c_str()), index);
-    }
-    log_printf(INFO, "%s detected: device %d on %s", name.c_str(), index, path.c_str());
-    this->start();
-}
-
-void Device::printCIDs() {
-    try
-    {
-        HIDPP20::IReprogControls irc = HIDPP20::IReprogControls::auto_version(hidpp_dev);
-        if(disconnected)
-            return;
-        int controlCount = irc.getControlCount();
-        for(int i = 0; i < controlCount; i++)
-        {
-            if(disconnected)
-                return;
-            uint16_t cid = irc.getControlInfo(i).control_id;
-            log_printf(DEBUG, "Available CID: 0x%x", cid);
-        }
-    }
-    catch(HIDPP20::UnsupportedFeature &e)
-    {
-        log_printf(DEBUG, "%s does not support Reprog controls, not diverting!", name.c_str());
-    }
-}
-
-void Device::start()
-{
-    printCIDs();
-    configure();
-    try { listener->addEventHandler(std::make_unique<ButtonHandler>(this)); }
-    catch(HIDPP20::UnsupportedFeature &e) { }
-
-    if(index == HIDPP::DefaultDevice || index == HIDPP::CordedDevice)
-    {
-        try { listener->addEventHandler( std::make_unique<WirelessStatusHandler>(this) ); }
-        catch(HIDPP20::UnsupportedFeature &e) { }
-    }
-    listener->start();
-}
-
-bool Device::testConnection()
-{
-    int i = MAX_CONNECTION_TRIES;
-    do {
-        try
-        {
-            HIDPP20::Device _hpp20dev(dispatcher, index);
-            return true;
-        }
-        catch(HIDPP10::Error &e)
-        {
-            if(e.errorCode() == HIDPP10::Error::ResourceError) // Asleep, wait for next event
-                return false;
-            if(i == MAX_CONNECTION_TRIES-1)
-                return false;
-        }
-        catch(std::exception &e)
-        {
-            if(i == MAX_CONNECTION_TRIES-1)
-                return false;
-        }
-        i++;
-    } while(i < MAX_CONNECTION_TRIES);
-
-    return false;
-}
-
-void ButtonHandler::handleEvent (const HIDPP::Report &event)
-{
-    switch (event.function())
-    {
-        case HIDPP20::IReprogControls::Event::DivertedButtonEvent:
-        {
-            new_states = HIDPP20::IReprogControls::divertedButtonEvent(event);
-            if (states.empty())
-            {
-                for (uint16_t i : new_states)
-                    std::thread{[=]() { dev->pressButton(i); }}.detach();
-                states = new_states;
-                break;
-            }
-            std::vector<uint16_t>::iterator it;
-            std::vector<uint16_t> cids(states.size() + new_states.size());
-            it = std::set_union(states.begin(), states.end(), new_states.begin(), new_states.end(), cids.begin());
-            cids.resize((ulong)(it - cids.begin()));
-            for (uint16_t i : cids)
-            {
-                if (std::find(new_states.begin(), new_states.end(), i) != new_states.end())
-                {
-                    if (std::find(states.begin(), states.end(), i) == states.end())
-                        std::thread{[=]() { dev->pressButton(i); }}.detach();
-                } else
-                    std::thread{[=]() { dev->releaseButton(i); }}.detach();
-            }
-            states = new_states;
-            break;
-        }
-        case HIDPP20::IReprogControlsV4::Event::DivertedRawXYEvent:
-        {
-            auto raw_xy = HIDPP20::IReprogControlsV4::divertedRawXYEvent(event);
-
-            for(uint16_t i : states)
-                std::thread{[=]() { dev->moveDiverted(i, raw_xy); }}.detach();
-            break;
-        }
-        default:
-            break;
-    }
-}
-
-void ReceiverHandler::handleEvent(const HIDPP::Report &event)
-{
-    switch(event.featureIndex())
-    {
-        case HIDPP10::IReceiver::DeviceUnpaired:
-        {
-            log_printf(INFO, "%s (Device %d on %s) unpaired from receiver", dev->name.c_str(), dev->index, dev->path.c_str());
-            std::thread {[=]()
-                         {
-                            finder->stopAndDeleteDevice(dev->path, dev->index);
-                            finder->insertNewReceiverDevice(dev->path, dev->index);
-                         }}.detach();
-            break;
-        }
-        case HIDPP10::IReceiver::DevicePaired:
-        {
-            log_printf(DEBUG, "Receiver on %s: Device %d paired", dev->path.c_str(), event.deviceIndex());
-            if(dev->waiting_for_receiver)
-            {
-                if(!dev->testConnection()) return;
-                dev->waiting_for_receiver = false;
-                dev->stop();
-            }
-            //else: Likely an enumeration event, ignore.
-            break;
-        }
-        case HIDPP10::IReceiver::ConnectionStatus:
-        {
-            auto status = HIDPP10::IReceiver::connectionStatusEvent(event);
-            if(status == HIDPP10::IReceiver::LinkLoss)
-            {
-                log_printf(INFO, "Link lost to %s", dev->name.c_str());
-                dev->disconnected = true;
-            }
-            else if (status == HIDPP10::IReceiver::ConnectionEstablished)
-            {
-                if(dev->waiting_for_receiver)
-                {
-                    log_printf(DEBUG, "Receiver on %s: Connection established to device %d", dev->path.c_str(), event.deviceIndex());
-                    if(!dev->testConnection()) return;
-                    dev->waiting_for_receiver = false;
-                    std::thread { [=]() { dev->stop(); } }.detach();
-                }
-                else
-                {
-                    if(!dev->initialized) return;
-                    dev->disconnected = false;
-                    dev->configure();
-                    log_printf(INFO, "Connection established to %s", dev->name.c_str());
-                }
-            }
-            break;
-        }
-        default:
-            break;
-    }
-}
-
-void WirelessStatusHandler::handleEvent(const HIDPP::Report &event)
-{
-    switch(event.function())
-    {
-        case HIDPP20::IWirelessDeviceStatus::StatusBroadcast:
-        {
-            auto status = HIDPP20::IWirelessDeviceStatus::statusBroadcastEvent(event);
-            if(status.ReconfNeeded)
-                dev->configure();
-            break;
-        }
-        default:
-        {
-            log_printf(DEBUG, "Undocumented event %02x from WirelessDeviceStatus", event.function());
-            break;
-        }
-    }
-}
-
-void EventListener::removeEventHandlers ()
-{
-    for (const auto &p: iterators)
-        dispatcher->unregisterEventHandler(p.second);
-    handlers.clear();
-    iterators.clear();
-}
-
-EventListener::~EventListener()
-{
-    removeEventHandlers();
-}
-
-void EventListener::addEventHandler(std::unique_ptr<EventHandler> &&handler)
-{
-    EventHandler *ptr = handler.get();
-    for(uint8_t feature : handler->featureIndices())
-    {
-        handlers.emplace(feature, std::move(handler));
-        dispatcher->registerEventHandler(index, feature, [=](const HIDPP::Report &report)
-        {
-            ptr->handleEvent(report);
-            return true;
-        });
-    }
-}
-
-void SimpleListener::start()
-{
-    bool retry;
-    do
-    {
-        retry = false;
-        try { dispatcher->listen(); }
-        catch(std::system_error &e)
-        {
-            retry = true;
-            usleep(250000);
-        }
-    } while(retry && !stopped);
-
-}
-
-void SimpleListener::stop()
-{
-    this->stopped = true;
-    dispatcher->stop();
-}
-
-bool SimpleListener::event (EventHandler *handler, const HIDPP::Report &report)
-{
-    handler->handleEvent (report);
-    return true;
-}
-
-void Device::stop()
-{
-    disconnected = true;
-    listener->stop();
-}
-
-void Device::pressButton(uint16_t cid)
-{
-    if(config->actions.find(cid) == config->actions.end())
-    {
-        log_printf(DEBUG, "0x%x was pressed but no action was found.", cid);
-        return;
-    }
-    config->actions.find(cid)->second->press();
-}
-
-void Device::releaseButton(uint16_t cid)
-{
-    if(config->actions.find(cid) == config->actions.end())
-    {
-        log_printf(DEBUG, "0x%x was released but no action was found.", cid);
-        return;
-    }
-    config->actions.find(cid)->second->release();
-}
-
-void Device::moveDiverted(uint16_t cid, HIDPP20::IReprogControlsV4::Move m)
-{
-    auto action = config->actions.find(cid);
-    if(action == config->actions.end())
-        return;
-    switch(action->second->type)
-    {
-        case Action::Gestures:
-            ((GestureAction*)action->second)->move(m);
-            break;
-        default:
-            break;
-    }
-}
-
-std::map<uint16_t, uint8_t> Device::getFeatures()
-{
-    std::map<uint16_t, uint8_t> _features;
-    HIDPP20::IFeatureSet ifs (hidpp_dev);
-    uint8_t feature_count = ifs.getCount();
-
-    for(uint8_t i = 0; i < feature_count; i++)
-        _features.insert( {i, ifs.getFeatureID(i) } );
-
-    return _features;
 }

src/logid/Device.h

@@ -1,172 +1,26 @@
 #ifndef LOGID_DEVICE_H
 #define LOGID_DEVICE_H
 
-#include "Actions.h"
+#include "backend/hidpp/defs.h"
-#include "DeviceMonitor.h"
+#include "backend/hidpp20/Device.h"
-#include "Configuration.h"
-
-#include <map>
-#include <memory>
-#include <atomic>
-#include <hidpp/Dispatcher.h>
-#include <hidpp/SimpleDispatcher.h>
-#include <hidpp10/IReceiver.h>
-#include <hidpp20/IWirelessDeviceStatus.h>
 
 namespace logid
 {
-    class EventListener;
+    /* TODO: Implement HID++ 1.0 support
-    class DeviceConfig;
+     * Currently, the logid::Device class has a hardcoded requirement
-
+     * for an HID++ 2.0 device.
-    class BlacklistedDevice : public std::exception
+     */
-    {
-    public:
-        BlacklistedDevice() = default;
-        virtual const char* what()
-        {
-            return "Blacklisted device";
-        }
-    };
-
     class Device
     {
     public:
-        Device(std::string p, const HIDPP::DeviceIndex i);
+        Device(std::string path, backend::hidpp::DeviceIndex index);
-        ~Device();
+        void wakeup();
-
+        void sleep();
-        std::string name;
+    private:
-
+        backend::hidpp20::Device _hidpp20;
-        bool init();
+        std::string _path;
-        void configure();
+        backend::hidpp::DeviceIndex _index;
-        void reset();
-
-        void pressButton(uint16_t cid);
-        void releaseButton(uint16_t cid);
-        void moveDiverted(uint16_t cid, HIDPP20::IReprogControlsV4::Move move);
-
-        void waitForReceiver();
-        void start();
-        void stop();
-        bool testConnection();
-
-        std::map<uint16_t, uint8_t> getFeatures();
-
-        std::map<uint16_t, uint8_t> features;
-
-        const std::string path;
-        const HIDPP::DeviceIndex index;
-        HIDPP::Dispatcher* dispatcher;
-        HIDPP20::Device* hidpp_dev;
-
-        std::mutex configuring;
-        std::atomic_bool disconnected;
-        bool initialized = false;
-        bool waiting_for_receiver = false;
-
-    protected:
-        DeviceConfig* config;
-        EventListener* listener;
-
-        void divert_buttons();
-        void printCIDs();
-        void setSmartShift(HIDPP20::ISmartShift::SmartshiftStatus ops);
-        void setHiresScroll(uint8_t flags);
-        void setDPI(int dpi);
     };
-
-    class EventHandler
-    {
-    public:
-        virtual const HIDPP20::FeatureInterface *feature() const = 0;
-        virtual const std::vector<uint8_t> featureIndices() const
-        {
-            return {feature()->index()};
-        };
-        virtual void handleEvent (const HIDPP::Report &event) = 0;
-    };
-    class ButtonHandler : public EventHandler
-    {
-    public:
-        ButtonHandler (Device *d) : dev (d), _irc (HIDPP20::IReprogControls::auto_version(d->hidpp_dev)) { }
-        const HIDPP20::FeatureInterface *feature () const
-        {
-            return &_irc;
-        }
-        void handleEvent (const HIDPP::Report &event);
-    protected:
-        Device* dev;
-        HIDPP20::IReprogControls _irc;
-        std::vector<uint16_t> states;
-        std::vector<uint16_t> new_states;
-    };
-    class ReceiverHandler : public EventHandler
-    {
-    public:
-        ReceiverHandler (Device *d) : dev (d) { }
-        const HIDPP20::FeatureInterface *feature () const
-        {
-            return nullptr; // This sounds like a horrible idea
-        }
-        virtual const std::vector<uint8_t> featureIndices() const
-        {
-            return HIDPP10::IReceiver::Events;
-        }
-        void handleEvent (const HIDPP::Report &event);
-    protected:
-        Device* dev;
-    };
-    class WirelessStatusHandler : public EventHandler
-    {
-    public:
-        WirelessStatusHandler (Device *d) : dev (d), _iws (d->hidpp_dev) { }
-        const HIDPP20::FeatureInterface *feature () const
-        {
-            return &_iws;
-        }
-        void handleEvent (const HIDPP::Report &event);
-    protected:
-        Device* dev;
-        HIDPP20::IWirelessDeviceStatus _iws;
-    };
-
-    class EventListener
-    {
-        HIDPP::Dispatcher *dispatcher;
-        HIDPP::DeviceIndex index;
-        std::map<uint8_t, std::unique_ptr<EventHandler>> handlers;
-        std::map<uint8_t, HIDPP::Dispatcher::listener_iterator> iterators;
-    public:
-        EventListener (HIDPP::Dispatcher *dispatcher, HIDPP::DeviceIndex index): dispatcher (dispatcher), index (index) {}
-
-        virtual void removeEventHandlers ();
-        virtual ~EventListener();
-        virtual void addEventHandler (std::unique_ptr<EventHandler> &&handler);
-
-        virtual void start () = 0;
-        virtual void stop () = 0;
-
-    protected:
-        virtual bool event (EventHandler* handler, const HIDPP::Report &report) = 0;
-    };
-    class SimpleListener : public EventListener
-    {
-        HIDPP::SimpleDispatcher *dispatcher;
-
-    public:
-        SimpleListener (HIDPP::SimpleDispatcher* dispatcher, HIDPP::DeviceIndex index):
-                EventListener (dispatcher, index),
-                dispatcher (dispatcher)
-        {
-        }
-
-        bool stopped = false;
-        virtual void start();
-        virtual void stop();
-
-    protected:
-        virtual bool event (EventHandler* handler, const HIDPP::Report &report);
-    };
-
 }
 
 #endif //LOGID_DEVICE_H

src/logid/DeviceMonitor.cpp

@@ -2,6 +2,7 @@
 #include <sstream>
 
 #include "DeviceMonitor.h"
+#include "Receiver.h"
 #include "util.h"
 #include "backend/hidpp10/Error.h"
 #include "backend/dj/Receiver.h"
@@ -11,161 +12,65 @@
 using namespace logid;
 using namespace logid::backend;
 
-/*
-void stopAndDeleteConnectedDevice (ConnectedDevice &connected_device)
-{
-    if(!connected_device.device->waiting_for_receiver)
-        log_printf(INFO, "%s (Device %d on %s) disconnected", connected_device.device->name.c_str(),
-            connected_device.device->index, connected_device.device->path.c_str());
-    connected_device.device->stop();
-    connected_device.associatedThread.join();
-    delete(connected_device.device);
-}
-
-DeviceMonitor::~DeviceMonitor()
-{
-    this->devices_mutex.lock();
-        for (auto it = this->devices.begin(); it != this->devices.end(); it++) {
-            for (auto jt = it->second.begin(); jt != it->second.end(); jt++) {
-                stopAndDeleteConnectedDevice(jt->second);
-            }
-        }
-    this->devices_mutex.unlock();
-}
-
-Device* DeviceMonitor::insertNewDevice(const std::string &path, HIDPP::DeviceIndex index)
-{
-    auto device = new Device(path, index);
-    device->init();
-
-    this->devices_mutex.lock();
-        log_printf(INFO, "%s detected: device %d on %s", device->name.c_str(), index, path.c_str());
-        auto path_bucket = this->devices.emplace(path, std::map<HIDPP::DeviceIndex, ConnectedDevice>()).first;
-        path_bucket->second.emplace(index, ConnectedDevice{
-            device,
-            std::thread([device]() {
-                device->start();
-            })
-        });
-    this->devices_mutex.unlock();
-
-    return device;
-}
-
-Device* DeviceMonitor::insertNewReceiverDevice(const std::string &path, HIDPP::DeviceIndex index)
-{
-    auto *device = new Device(path, index);
-    this->devices_mutex.lock();
-    auto path_bucket = this->devices.emplace(path, std::map<HIDPP::DeviceIndex, ConnectedDevice>()).first;
-    path_bucket->second.emplace(index, ConnectedDevice{
-            device,
-            std::thread([device]() {
-                device->waitForReceiver();
-            })
-    });
-    this->devices_mutex.unlock();
-
-    return device;
-}
-
-void DeviceMonitor::stopAndDeleteAllDevicesIn (const std::string &path)
-{
-    this->devices_mutex.lock();
-        auto path_bucket = this->devices.find(path);
-        if (path_bucket != this->devices.end())
-        {
-            for (auto& index_bucket : path_bucket->second) {
-                stopAndDeleteConnectedDevice(index_bucket.second);
-            }
-            this->devices.erase(path_bucket);
-        }
-    this->devices_mutex.unlock();
-}
-
-void DeviceMonitor::stopAndDeleteDevice (const std::string &path, HIDPP::DeviceIndex index)
-{
-    this->devices_mutex.lock();
-        auto path_bucket = this->devices.find(path);
-        if (path_bucket != this->devices.end())
-        {
-            auto index_bucket = path_bucket->second.find(index);
-            if (index_bucket != path_bucket->second.end())
-            {
-                stopAndDeleteConnectedDevice(index_bucket->second);
-                path_bucket->second.erase(index_bucket);
-            }
-        }
-    this->devices_mutex.unlock();
-
-    log_printf(WARN, "Attempted to disconnect not previously connected device %d on %s", index, path.c_str());
-}
-*/
-
 void DeviceMonitor::addDevice(std::string path)
 {
+    bool defaultExists = true;
+    bool isReceiver = false;
     try {
-        std::tuple<uint8_t, uint8_t> version;
+        hidpp::Device device(path, hidpp::DefaultDevice);
-        try
+        isReceiver = device.version() == std::make_tuple(1, 0);
-        {
+    } catch(hidpp10::Error &e) {
-            hidpp::Device device(path, hidpp::DefaultDevice);
+        if(e.code() != hidpp10::Error::UnknownDevice)
-
-            log_printf(DEBUG, "Detected HID++ device at %s", path.c_str());
-
-            version = device.version();
-            log_printf(DEBUG, "HID++ version: %d.%d", std::get<0>(version), std::get<1>(version));
-        } catch(std::system_error &e) { }
-
-        if(version == std::make_tuple(1, 0))
-        {
-            // This is a receiver
-            dj::Receiver receiver(path);
-            receiver.enumerate();
-            receiver.listen();
-            while(true) {}
-        }
-        /*
-        auto eventHandler = std::make_shared<backend::hidpp::EventHandler>();
-        eventHandler->condition = [device](backend::hidpp::Report& report)->bool
-        {
-            return true;
-        };
-        eventHandler->callback = [device](backend::hidpp::Report& report)->void
-        {
-            log_printf(DEBUG, "Event on %s:%d", device->devicePath().c_str(),
-                    device->deviceIndex());
-            for(auto& i : report.rawReport())
-                    printf("%02x ", i);
-            printf("\n");
-        };
-
-        device->addEventHandler("MONITOR_ALL", eventHandler);
-
-        devices.push_back(device);*/
-
-        //std::thread([device]() { device->listen(); }).detach();
-    }
-    catch(hidpp10::Error &e)
-    {
-        if(e.code() == hidpp10::Error::UnknownDevice) {}
-        else
             throw;
+    } catch(hidpp::Device::InvalidDevice &e) { // Ignore
+        defaultExists = false;
+    } catch(std::system_error &e) {
+        log_printf(WARN, "I/O error on %s: %s, skipping device.",
+                path.c_str(), e.what());
+        return;
     }
-    catch(hidpp::Device::InvalidDevice &e)
+
-    {
+    if(isReceiver) {
-        log_printf(DEBUG, "Detected device at %s but %s", path.c_str(), e.what());
+        log_printf(INFO, "Detected receiver at %s", path.c_str());
+        auto receiver = std::make_shared<Receiver>(path);
+        _receivers.emplace(path, receiver);
+        // receiver->listen();
+    } else {
+        /* TODO: Error check?
+         * TODO: Can non-receivers only contain 1 device?
+         * If the device exists, it is guaranteed to be an HID++ 2.0 device */
+        if(defaultExists) {
+            auto device = std::make_shared<Device>(path, hidpp::DefaultDevice);
+            _devices.emplace(path,  device);
+        } else {
+            try {
+                auto device = std::make_shared<Device>(path, hidpp::CordedDevice);
+                _devices.emplace(path, device);
+            } catch(hidpp10::Error &e) {
+                if(e.code() != hidpp10::Error::UnknownDevice)
+                    throw;
+            } catch(hidpp::Device::InvalidDevice &e) { // Ignore
+            } catch(std::system_error &e) {
+                // This error should have been thrown previously
+                log_printf(WARN, "I/O error on %s: %s", path.c_str(),
+                        e.what());
+            }
+        }
     }
-    /*
-    catch(std::system_error &e)
-    {
-        log_printf(WARN, "Failed to open %s: %s", path.c_str(), e.what());
-    } */
 }
 
 void DeviceMonitor::removeDevice(std::string path)
 {
-    log_printf(DEBUG, "Device %s disconnected", path.c_str());
+    auto receiver = _receivers.find(path);
-    /*
+
-    ipc_server->removeReceiver(path);
+    if(receiver != _receivers.end()) {
-    this->stopAndDeleteAllDevicesIn(std::string(path));
+        _receivers.erase(receiver);
-     */
+        log_printf(INFO, "Receiver on %s disconnected", path.c_str());
+    } else {
+        auto device = _devices.find(path);
+        if(device != _devices.find(path)) {
+            _devices.erase(device);
+            log_printf(INFO, "Device on %s disconnected", path.c_str());
+        }
+    }
 }

src/logid/DeviceMonitor.h

@@ -7,38 +7,23 @@
 
 #include "backend/raw/DeviceMonitor.h"
 #include "backend/hidpp/Device.h"
-
+#include "Device.h"
-#define MAX_CONNECTION_TRIES 10
+#include "Receiver.h"
-#define TIME_BETWEEN_CONNECTION_TRIES 500ms
 
 namespace logid
 {
 
-    class Device;
-
-    struct ConnectedDevice {
-    	Device *device;
-    	std::thread associatedThread;
-    };
-
     class DeviceMonitor : public backend::raw::DeviceMonitor
     {
     public:
-    	~DeviceMonitor();
+        DeviceMonitor() = default;
-
-    	/*
-    	Device* insertNewDevice (const std::string &path, HIDPP::DeviceIndex index);
-    	Device* insertNewReceiverDevice (const std::string &path, HIDPP::DeviceIndex index);
-    	void stopAndDeleteAllDevicesIn (const std::string &path);
-    	void stopAndDeleteDevice (const std::string &path, HIDPP::DeviceIndex index);
-    	 */
     protected:
         void addDevice(std::string path) override;
         void removeDevice(std::string path) override;
     private:
-    	std::mutex devices_mutex;
+
-    	std::vector<std::shared_ptr<backend::hidpp::Device>> devices; //tmp
+        std::map<std::string, std::shared_ptr<Device>> _devices;
-        //std::map<std::string, std::map<backend::hidpp::DeviceIndex, ConnectedDevice>> devices;
+        std::map<std::string, std::shared_ptr<Receiver>> _receivers;
     };
 
     extern DeviceMonitor* finder;

src/logid/Receiver.cpp

@@ -0,0 +1,9 @@
+#include "Receiver.h"
+#include "util.h"
+
+using namespace logid;
+
+Receiver::Receiver(std::string path) : _path (path)
+{
+    log_printf(DEBUG, "logid::Receiver created on %s", path.c_str());
+}

src/logid/Receiver.h

@@ -0,0 +1,17 @@
+#ifndef LOGID_RECEIVER_H
+#define LOGID_RECEIVER_H
+
+#include <string>
+
+namespace logid
+{
+    class Receiver
+    {
+    public:
+        Receiver(std::string path);
+    private:
+        std::string _path;
+    };
+}
+
+#endif //LOGID_RECEIVER_H

src/logid/backend/dj/ReceiverMonitor.h

@@ -0,0 +1,6 @@
+#ifndef LOGID_BACKEND_DJ_RECEIVERMONITOR_H
+#define LOGID_BACKEND_DJ_RECEIVERMONITOR_H
+
+
+
+#endif //LOGID_BACKEND_DJ_RECEIVERMONITOR_H

src/logid/backend/hidpp20/Device.cpp

@@ -5,6 +5,18 @@
 
 using namespace logid::backend::hidpp20;
 
+Device::Device(std::string path, hidpp::DeviceIndex index)
+    : hidpp::Device(path, index)
+{
+    assert(std::get<0>(version()) >= 2);
+}
+
+Device::Device(std::shared_ptr<raw::RawDevice> raw_device, hidpp::DeviceIndex index)
+        : hidpp::Device(raw_device, index)
+{
+    assert(std::get<0>(version()) >= 2);
+}
+
 std::vector<uint8_t> Device::callFunction(uint8_t feature_index,
         uint8_t function, std::vector<uint8_t>& params)
 {

src/logid/backend/hidpp20/Device.h

@@ -10,6 +10,9 @@ namespace hidpp20 {
     class Device : public hidpp::Device
     {
     public:
+        Device(std::string path, hidpp::DeviceIndex index);
+        Device(std::shared_ptr<raw::RawDevice> raw_device, hidpp::DeviceIndex index);
+
         std::vector<uint8_t> callFunction(uint8_t feature_index,
                 uint8_t function,
                 std::vector<uint8_t>& params);

src/logid/util.h

@@ -1,7 +1,7 @@
 #ifndef LOGID_UTIL_H
 #define LOGID_UTIL_H
 
-//#include "Actions.h"
+#include <string>
 
 namespace logid
 {