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07070100000000000081A4000001D9000001DA00000001605F96D300000082000000000000000000000000000000000000002900000000joycond-v0.1.0+git.43~2d3f553/.gitignore*.swp
CMakeCache.txt
CMakeFiles
Makefile
cmake_install.cmake
joycond
install_manifest.txt
.ccls-cache
build
compile_commands.json
07070100000001000081A4000001D9000001DA00000001605F96D300000A78000000000000000000000000000000000000002900000000joycond-v0.1.0+git.43~2d3f553/Android.mkLOCAL_PATH := $(call my-dir)

include $(CLEAR_VARS)
LOCAL_SRC_FILES := \
    src/ctlr_detector_android.cpp \
    src/ctlr_mgr.cpp \
    src/epoll_mgr.cpp \
    src/epoll_subscriber.cpp \
    src/phys_ctlr.cpp \
    src/virt_ctlr.cpp \
    src/virt_ctlr_combined.cpp \
    src/virt_ctlr_passthrough.cpp \
    src/main.cpp

LOCAL_C_INCLUDES := $(LOCAL_PATH)/include

LOCAL_SHARED_LIBRARIES := \
    libevdev \
    libnl \
    liblog

LOCAL_REQUIRED_MODULES := \
    Vendor_057e_Product_2006.idc \
    Vendor_057e_Product_2007.idc \
    Vendor_057e_Product_2008.idc \
    Vendor_057e_Product_2008.kl  \
    Vendor_057e_Product_2009_Version_8001.idc \
    Vendor_057e_Product_2009_Version_8001.kl

LOCAL_MODULE := joycond
LOCAL_INIT_RC := android/joycond.rc
LOCAL_MODULE_TAGS := optional
LOCAL_CPPFLAGS := -std=c++17 -Wno-error -fexceptions
LOCAL_VENDOR_MODULE := true
LOCAL_MODULE_OWNER := nintendo
include $(BUILD_EXECUTABLE)

include $(CLEAR_VARS)
LOCAL_MODULE := Vendor_057e_Product_2007.idc
LOCAL_SRC_FILES := android/Vendor_057e_Product_2006.idc
LOCAL_MODULE_CLASS := ETC
LOCAL_MODULE_PATH := $(TARGET_OUT_VENDOR)/usr/idc
LOCAL_MODULE_TAGS := optional
LOCAL_MODULE_OWNER := nintendo
include $(BUILD_PREBUILT)

include $(CLEAR_VARS)
LOCAL_MODULE := Vendor_057e_Product_2006.idc
LOCAL_SRC_FILES := android/Vendor_057e_Product_2006.idc
LOCAL_MODULE_CLASS := ETC
LOCAL_MODULE_PATH := $(TARGET_OUT_VENDOR)/usr/idc
LOCAL_MODULE_TAGS := optional
LOCAL_MODULE_OWNER := nintendo
include $(BUILD_PREBUILT)

include $(CLEAR_VARS)
LOCAL_MODULE := Vendor_057e_Product_2008.kl
LOCAL_SRC_FILES := android/Vendor_057e_Product_2008.kl
LOCAL_MODULE_CLASS := ETC
LOCAL_MODULE_PATH := $(TARGET_OUT_VENDOR)/usr/keylayout
LOCAL_MODULE_TAGS := optional
LOCAL_MODULE_OWNER := nintendo
include $(BUILD_PREBUILT)

include $(CLEAR_VARS)
LOCAL_MODULE := Vendor_057e_Product_2008.idc
LOCAL_SRC_FILES := android/Vendor_057e_Product_2008.idc
LOCAL_MODULE_CLASS := ETC
LOCAL_MODULE_PATH := $(TARGET_OUT_VENDOR)/usr/idc
LOCAL_MODULE_TAGS := optional
LOCAL_MODULE_OWNER := nintendo
include $(BUILD_PREBUILT)

include $(CLEAR_VARS)
LOCAL_MODULE := Vendor_057e_Product_2009_Version_8001.kl
LOCAL_SRC_FILES := android/Vendor_057e_Product_2008.kl
LOCAL_MODULE_CLASS := ETC
LOCAL_MODULE_PATH := $(TARGET_OUT_VENDOR)/usr/keylayout
LOCAL_MODULE_TAGS := optional
LOCAL_MODULE_OWNER := nintendo
include $(BUILD_PREBUILT)

include $(CLEAR_VARS)
LOCAL_MODULE := Vendor_057e_Product_2009_Version_8001.idc
LOCAL_SRC_FILES := android/Vendor_057e_Product_2008.idc
LOCAL_MODULE_CLASS := ETC
LOCAL_MODULE_PATH := $(TARGET_OUT_VENDOR)/usr/idc
LOCAL_MODULE_TAGS := optional
LOCAL_MODULE_OWNER := nintendo
include $(BUILD_PREBUILT)
07070100000002000081A4000001D9000001DA00000001605F96D30000049A000000000000000000000000000000000000002D00000000joycond-v0.1.0+git.43~2d3f553/CMakeLists.txtcmake_minimum_required(VERSION 3.13)
project(joycond)

set(CMAKE_CXX_STANDARD 17)

# Generate compile_commands.json
set(CMAKE_EXPORT_COMPILE_COMMANDS 1)

find_package(PkgConfig)
pkg_check_modules(LIBEVDEV REQUIRED libevdev)
pkg_check_modules(LIBUDEV REQUIRED libudev)

add_executable(joycond "")
target_compile_options(joycond PRIVATE -Wall -Werror)
include_directories(
    include/
    ${LIBEVDEV_INCLUDE_DIRS}
    ${LIBUDEV_INCLUDE_DIRS}
    )
target_link_libraries(
    joycond
    ${LIBEVDEV_LIBRARIES}
    ${LIBUDEV_LIBRARIES}
    )

add_subdirectory(src)

install(TARGETS joycond DESTINATION /usr/bin/
        PERMISSIONS OWNER_WRITE OWNER_READ OWNER_EXECUTE GROUP_READ GROUP_EXECUTE WORLD_READ WORLD_EXECUTE
        )
install(FILES udev/89-joycond.rules udev/72-joycond.rules DESTINATION /lib/udev/rules.d/
        PERMISSIONS OWNER_WRITE OWNER_READ GROUP_READ WORLD_READ 
        )
install(FILES systemd/joycond.service DESTINATION /etc/systemd/system
        PERMISSIONS OWNER_WRITE OWNER_READ GROUP_READ WORLD_READ
        )
install(FILES systemd/joycond.conf DESTINATION /etc/modules-load.d
        PERMISSIONS OWNER_WRITE OWNER_READ GROUP_READ WORLD_READ
        )
07070100000003000081A4000001D9000001DA00000001605F96D30000894D000000000000000000000000000000000000002600000000joycond-v0.1.0+git.43~2d3f553/LICENSE                    GNU GENERAL PUBLIC LICENSE
                       Version 3, 29 June 2007

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or that patent license was granted, prior to 28 March 2007.

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12. No Surrender of Others' Freedom.

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13. Use with the GNU Affero General Public License.

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<program>  Copyright (C) <year>  <name of author>
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    under certain conditions; type `show c' for details.

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if any, to sign a "copyright disclaimer" for the program, if necessary.
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into proprietary programs.  If your program is a subroutine library, you
may consider it more useful to permit linking proprietary applications with
the library.  If this is what you want to do, use the GNU Lesser General
Public License instead of this License.  But first, please read
<https://www.gnu.org/licenses/why-not-lgpl.html>.
07070100000004000081A4000001D9000001DA00000001605F96D30000048E000000000000000000000000000000000000002800000000joycond-v0.1.0+git.43~2d3f553/README.mdjoycond is a linux daemon which uses the evdev devices provided by hid-nintendo (formerly known as hid-joycon) to implement joycon pairing.

hid-nintendo is currently in review on the linux-input mailing list. The most recent patches are currently found at https://github.com/DanielOgorchock/linux

# Installation
1. clone the repo
2. Install libevdev-dev if you haven't already (`sudo apt install libevdev-dev`)
3. `cmake .`
4. `sudo make install`
5. `sudo systemctl enable --now joycond`

# Usage
When a joy-con or pro controller is connected via bluetooth or USB, the player LEDs should start blinking periodically. This signals that the controller is in pairing mode.

For the pro controller, pressing both triggers will "pair" it.

With the joy-cons, to use a single contoller alone, hold ZL and L at the same time (ZR and R for the right joy-con). Alternatively, hold both S triggers at once.

To combine two joy-cons into a virtual input device, press a *single* trigger on both of them at the same time. A new uinput device will be created called "Nintendo Switch Combined Joy-Cons".

Rumble support is now functional for the combined joy-con uinput device.
07070100000005000041ED000001D9000001DA00000002605F96D300000000000000000000000000000000000000000000002600000000joycond-v0.1.0+git.43~2d3f553/android07070100000006000081A4000001D9000001DA00000001605F96D300000012000000000000000000000000000000000000004300000000joycond-v0.1.0+git.43~2d3f553/android/Vendor_057e_Product_2006.idcdevice.disabled=1
07070100000007000081A4000001D9000001DA00000001605F96D300000014000000000000000000000000000000000000004300000000joycond-v0.1.0+git.43~2d3f553/android/Vendor_057e_Product_2008.idcdevice.internal = 0
07070100000008000081A4000001D9000001DA00000001605F96D3000001C4000000000000000000000000000000000000004200000000joycond-v0.1.0+git.43~2d3f553/android/Vendor_057e_Product_2008.klkey 309   MEDIA_PLAY_PAUSE
key 314   BUTTON_SELECT
key 318   BUTTON_THUMBR
key 317   BUTTON_THUMBL
key 305   BUTTON_A
key 304   BUTTON_B
key 307   BUTTON_X
key 308   BUTTON_Y
key 310   BUTTON_L1
key 311   BUTTON_R1
key 315   BUTTON_START
key 316   HOME
key 544   DPAD_UP
key 545   DPAD_DOWN
key 546   DPAD_LEFT
key 547   DPAD_RIGHT

axis 0x00 X
axis 0x01 Y
axis 0x03 Z
axis 0x04 RZ
axis 0x02 LTRIGGER
axis 0x05 RTRIGGER
axis 0x10 HAT_X
axis 0x11 HAT_Y
07070100000009000081A4000001D9000001DA00000001605F96D300000058000000000000000000000000000000000000003100000000joycond-v0.1.0+git.43~2d3f553/android/joycond.rcservice joycond /vendor/bin/joycond
    class hal
    user system
    group system uhid
0707010000000A000081ED000001D9000001DA00000001605F96D300000369000000000000000000000000000000000000002B00000000joycond-v0.1.0+git.43~2d3f553/build_deb.sh#!/bin/bash

# This is a hacky little script to generate a deb.
#
# NOTE: This only works for building an arm64 .deb as is. Change
#       the Architecture below if desired.

architecture="arm64"
install_root="$(pwd)/build/deb/joycond"
package_version="0.4-0"

mkdir -p "$install_root" || exit
cmake . || exit
make DESTDIR="$install_root" install || exit

cd "$install_root" || exit

mkdir -p DEBIAN
cd DEBIAN || exit

cat <<EOF > control
Package: joycond
Architecture: $architecture
Maintainer: Daniel J. Ogorchock
Priority: optional
Version: $package_version
Description: Pairs joy-cons together into a virtual controller
Depends: libevdev2, libudev1
EOF

cat <<EOF > conffiles
EOF

cat <<EOF > postinst
#!/bin/bash
echo "Enabling and starting joycond service..."
systemctl enable --now joycond
EOF
chmod 755 postinst

cd ../..

fakeroot dpkg-deb --build joycond || exit
0707010000000B000041ED000001D9000001DA00000002605F96D300000000000000000000000000000000000000000000002600000000joycond-v0.1.0+git.43~2d3f553/include0707010000000C000081A4000001D9000001DA00000001605F96D300000407000000000000000000000000000000000000003400000000joycond-v0.1.0+git.43~2d3f553/include/android_log.h// License: CC BY-SA 4.0
// From: https://stackoverflow.com/a/8870278

#ifndef JOYCOND_ANDROID_LOGGING_H
#define JOYCOND_ANDROID_LOGGING_H

#include <android/log.h>

class androidbuf : public std::streambuf {
public:
    enum { bufsize = 128 };
    androidbuf() { this->setp(buffer, buffer + bufsize - 1); }

private:
    int overflow(int c)
    {
        if (c == traits_type::eof()) {
            *this->pptr() = traits_type::to_char_type(c);
            this->sbumpc();
        }
        return this->sync()? traits_type::eof(): traits_type::not_eof(c);
    }

int sync()
    {
        int rc = 0;
        if (this->pbase() != this->pptr()) {
            char writebuf[bufsize+1];
            memcpy(writebuf, this->pbase(), this->pptr() - this->pbase());
            writebuf[this->pptr() - this->pbase()] = '\0';

rc = __android_log_write(ANDROID_LOG_INFO, "joycond", writebuf) > 0;
            this->setp(buffer, buffer + bufsize - 1);
        }
        return rc;
    }

char buffer[bufsize];
};

#endif
0707010000000D000081A4000001D9000001DA00000001605F96D3000002AE000000000000000000000000000000000000003E00000000joycond-v0.1.0+git.43~2d3f553/include/ctlr_detector_android.h#ifndef JOYCOND_CTLR_DETECTOR_ANDROID_H
#define JOYCOND_CTLR_DETECTOR_ANDROID_H

#include "ctlr_mgr.h"
#include "epoll_mgr.h"

class ctlr_detector_android
{
    private:
        ctlr_mgr& ctlr_manager;
        epoll_mgr& epoll_manager;
        std::shared_ptr<epoll_subscriber> subscriber;

std::map<std::string, std::string> ctlr_dev_map;
        std::map<std::string, std::string> ctlr_mac_map;

bool check_ctlr_attributes(std::string devpath);
        void scan_removed_ctlrs();
        void epoll_event_callback(int event_fd);
    public:
        ctlr_detector_android(ctlr_mgr& ctlr_manager, epoll_mgr& epoll_manager );
        ~ctlr_detector_android();
};

#endif
0707010000000E000081A4000001D9000001DA00000001605F96D300000229000000000000000000000000000000000000003B00000000joycond-v0.1.0+git.43~2d3f553/include/ctlr_detector_udev.h#ifndef JOYCOND_CTLR_DETECTOR_UDEV_H
#define JOYCOND_CTLR_DETECTOR_UDEV_H

#include "ctlr_mgr.h"
#include "epoll_mgr.h"

class ctlr_detector_udev
{
    private:
        ctlr_mgr& ctlr_manager;
        epoll_mgr& epoll_manager;
        std::shared_ptr<epoll_subscriber> subscriber;

struct udev *udev;
        struct udev_monitor *mon;
        int udev_mon_fd;

void epoll_event_callback(int event_fd);

public:
        ctlr_detector_udev(ctlr_mgr& ctlr_manager, epoll_mgr& epoll_manager );
        ~ctlr_detector_udev();
};

#endif

0707010000000F000081A4000001D9000001DA00000001605F96D3000003FC000000000000000000000000000000000000003100000000joycond-v0.1.0+git.43~2d3f553/include/ctlr_mgr.h#ifndef JOYCOND_CTLR_MANAGER_H
#define JOYCOND_CTLR_MANAGER_H

#include <string>
#include <map>
#include <memory>
#include <vector>

#include "epoll_mgr.h"
#include "phys_ctlr.h"
#include "virt_ctlr.h"

class ctlr_mgr
{
    private:
        epoll_mgr& epoll_manager;
        std::map<std::string, std::shared_ptr<phys_ctlr>> unpaired_controllers;
        std::map<std::string, std::shared_ptr<epoll_subscriber>> subscribers;
        std::vector<std::unique_ptr<virt_ctlr>> paired_controllers;
        std::vector<std::unique_ptr<virt_ctlr>> stale_controllers;

std::shared_ptr<phys_ctlr> left;
        std::shared_ptr<phys_ctlr> right;

void epoll_event_callback(int event_fd);
        void add_passthrough_ctlr(std::shared_ptr<phys_ctlr> phys);
        void add_combined_ctlr();

public:
        ctlr_mgr(epoll_mgr& epoll_manager);
        ~ctlr_mgr();

void add_ctlr(const std::string& devpath, const std::string& devname);
        void remove_ctlr(const std::string& devpath);
};

#endif

07070100000010000081A4000001D9000001DA00000001605F96D3000001DA000000000000000000000000000000000000003200000000joycond-v0.1.0+git.43~2d3f553/include/epoll_mgr.h#ifndef JOYCOND_EPOLL_MGR_H
#define JOYCOND_EPOLL_MGR_H

#include <map>
#include <memory>

#include "epoll_subscriber.h"

class epoll_mgr
{
    private:
        int epoll_fd;
        std::map<int, std::shared_ptr<epoll_subscriber>> subscribers;

public:
        epoll_mgr();
        ~epoll_mgr();

void add_subscriber(std::shared_ptr<epoll_subscriber> sub);
        void remove_subscriber(std::shared_ptr<epoll_subscriber> sub);
        void loop();
};

#endif

07070100000011000081A4000001D9000001DA00000001605F96D3000001DE000000000000000000000000000000000000003900000000joycond-v0.1.0+git.43~2d3f553/include/epoll_subscriber.h#ifndef JOYCOND_EPOLL_SUBSCRIBER_H
#define JOYCOND_EPOLL_SUBSCRIBER_H

#include <functional>
#include <vector>

class epoll_subscriber
{
    private:
        std::function<void(int)> event_callback;
        std::vector<int> event_fds;

public:
        epoll_subscriber(std::vector<int> fds, std::function<void(int event_fd)> callback);

~epoll_subscriber();

void operator() (int event_fd);
        const std::vector<int>& get_event_fds() const;
};

#endif

07070100000012000081A4000001D9000001DA00000001605F96D300000719000000000000000000000000000000000000003200000000joycond-v0.1.0+git.43~2d3f553/include/phys_ctlr.h#ifndef JOYCOND_PHYS_CTLR_H
#define JOYCOND_PHYS_CTLR_H

#include <fstream>
#include <libevdev/libevdev.h>
#include <optional>
#include <string>

class phys_ctlr
{
    public:
        enum class Model { Procon, Snescon, Left_Joycon, Right_Joycon, Unknown };
        enum class PairingState { Pairing, Lone, Waiting, Horizontal };

private:
        std::string devpath;
        std::string devname;
        struct libevdev *evdev;
        bool is_serial;
        std::fstream player_leds[4];
        std::fstream player_led_triggers[4];
        std::fstream home_led;
        bool l, zl, r, zr, sl, sr;
        enum Model model;
        std::string mac_addr;

std::optional<std::string> get_first_glob_path(std::string const &pattern);
        std::optional<std::string> get_led_path(std::string const &name);
        void init_leds();
        void handle_event(struct input_event const &ev);

public:
        phys_ctlr(std::string const &devpath, std::string const &devname);
        ~phys_ctlr();

std::string const &get_devpath() const { return devpath; }
        bool set_player_led(int index, bool on);
        bool set_all_player_leds(bool on);
        bool set_player_leds_to_player(int player);
        bool set_home_led(unsigned short brightness);
        bool blink_player_leds();
        int get_fd();
        void handle_events();
        enum Model get_model() const { return model; }
        enum PairingState get_pairing_state() const;
        void grab() { libevdev_grab(evdev, LIBEVDEV_GRAB); }
        void ungrab() { libevdev_grab(evdev, LIBEVDEV_UNGRAB); }
        struct libevdev *get_evdev() { return evdev; }
        void zero_triggers();
        const std::string& get_mac_addr() { return mac_addr; }
        bool is_serial_ctlr() const { return is_serial; }
};

#endif
07070100000013000081A4000001D9000001DA00000001605F96D300000430000000000000000000000000000000000000003200000000joycond-v0.1.0+git.43~2d3f553/include/virt_ctlr.h#ifndef JOYCOND_VIRT_CTLR_H
#define JOYCOND_VIRT_CTLR_H

#include "phys_ctlr.h"

#include <memory>
#include <vector>

class virt_ctlr
{
    private:

public:
        virt_ctlr() {}
        virtual ~virt_ctlr() {}

virtual void handle_events(int fd) = 0;
        virtual bool contains_phys_ctlr(std::shared_ptr<phys_ctlr> const ctlr) const = 0;
        virtual bool contains_phys_ctlr(char const *devpath) const = 0;
        virtual bool contains_fd(int fd) const = 0;
        virtual std::vector<std::shared_ptr<phys_ctlr>> get_phys_ctlrs() = 0;
        virtual void remove_phys_ctlr(const std::shared_ptr<phys_ctlr> phys) = 0;
        virtual void add_phys_ctlr(std::shared_ptr<phys_ctlr> phys) = 0;
        virtual enum phys_ctlr::Model needs_model() = 0;
        virtual bool supports_hotplug() {return false;}
        virtual bool mac_belongs(const std::string& mac) const {return false;}

// Used to determine if this virtual controller should be removed from paired controllers list
        virtual bool no_ctlrs_left() {return true;}
};

#endif
07070100000014000081A4000001D9000001DA00000001605F96D300000731000000000000000000000000000000000000003B00000000joycond-v0.1.0+git.43~2d3f553/include/virt_ctlr_combined.h#ifndef JOYCOND_VIRT_CTLR_COMBINED
#define JOYCOND_VIRT_CTLR_COMBINED

#include "virt_ctlr.h"
#include "phys_ctlr.h"
#include "epoll_mgr.h"

#include <libevdev/libevdev.h>
#include <map>
#include <memory>

class virt_ctlr_combined : public virt_ctlr
{
    private:
        std::shared_ptr<phys_ctlr> physl;
        std::shared_ptr<phys_ctlr> physr;
        epoll_mgr& epoll_manager;
        std::shared_ptr<epoll_subscriber> subscriber;
        struct libevdev *virt_evdev;
        struct libevdev_uinput *uidev;
        int uifd;
        std::map<int, std::pair<struct ff_effect, struct ff_effect>> rumble_effects;
        std::string left_mac;
        std::string right_mac;

void relay_events(std::shared_ptr<phys_ctlr> phys);
        void handle_uinput_event();
    public:
        virt_ctlr_combined(std::shared_ptr<phys_ctlr> physl, std::shared_ptr<phys_ctlr> physr, epoll_mgr& epoll_manager);
        virtual ~virt_ctlr_combined();

virtual void handle_events(int fd);
        virtual bool contains_phys_ctlr(std::shared_ptr<phys_ctlr> const ctlr) const;
        virtual bool contains_phys_ctlr(char const *devpath) const;
        virtual bool contains_fd(int fd) const;
        virtual std::vector<std::shared_ptr<phys_ctlr>> get_phys_ctlrs();
        virtual int get_uinput_fd();
        virtual void remove_phys_ctlr(const std::shared_ptr<phys_ctlr> phys);
        virtual void add_phys_ctlr(std::shared_ptr<phys_ctlr> phys);
        virtual enum phys_ctlr::Model needs_model();
        virtual bool supports_hotplug() {return true;}
        virtual bool no_ctlrs_left();
        virtual bool mac_belongs(const std::string& mac) const;
        virtual bool set_player_led(int index, bool on);
        virtual bool set_all_player_leds(bool on);
        virtual bool set_player_leds_to_player(int player);
};

#endif
07070100000015000081A4000001D9000001DA00000001605F96D300000381000000000000000000000000000000000000003E00000000joycond-v0.1.0+git.43~2d3f553/include/virt_ctlr_passthrough.h#ifndef JOYCOND_VIRT_CTLR_PASSTHROUGH
#define JOYCOND_VIRT_CTLR_PASSTHROUGH

#include "virt_ctlr.h"
#include "phys_ctlr.h"

#include <memory>

class virt_ctlr_passthrough : public virt_ctlr
{
    private:
        std::shared_ptr<phys_ctlr> phys;

public:
        virt_ctlr_passthrough(std::shared_ptr<phys_ctlr> phys);
        virtual ~virt_ctlr_passthrough();

#endif
07070100000016000041ED000001D9000001DA00000002605F96D300000000000000000000000000000000000000000000002200000000joycond-v0.1.0+git.43~2d3f553/src07070100000017000081A4000001D9000001DA00000001605F96D300000114000000000000000000000000000000000000003100000000joycond-v0.1.0+git.43~2d3f553/src/CMakeLists.txttarget_sources(
    joycond
    PRIVATE
        main.cpp
        phys_ctlr.cpp
        virt_ctlr.cpp
        virt_ctlr_passthrough.cpp
        virt_ctlr_combined.cpp
        epoll_mgr.cpp
        epoll_subscriber.cpp
        ctlr_detector_udev.cpp
        ctlr_mgr.cpp
    )

07070100000018000081A4000001D9000001DA00000001605F96D300001A4B000000000000000000000000000000000000003C00000000joycond-v0.1.0+git.43~2d3f553/src/ctlr_detector_android.cpp#include "ctlr_detector_android.h"

#include <sstream>
#include <iostream>
#include <stdlib.h>
#include <string.h>
#include <sys/poll.h>
#include <sys/socket.h>
#include <sys/types.h>
#include <fcntl.h>
#include <unistd.h>
#include <dirent.h>
#include <linux/types.h>
#include <linux/netlink.h>
#include <netlink/msg.h>
#include <libevdev/libevdev.h>

//private
bool ctlr_detector_android::check_ctlr_attributes(std::string devpath)
{
    struct libevdev *evdev;

// Open device to confirm the vendor and product id, not given in uevent
    int fd = open(devpath.c_str(), O_RDWR | O_NONBLOCK);
    if (fd < 0) {
        std::cerr << "Failed to open " << devpath << " ; errno=" << errno << std::endl;
        return false;
    }

if (libevdev_new_from_fd(fd, &evdev)) {
        std::cerr << "Failed to create evdev from fd" << devpath << "\n";
        close(fd);
        return false;
    }

int pid = libevdev_get_id_product(evdev);
    int vid = libevdev_get_id_vendor(evdev);
    int is_accel = libevdev_has_property(evdev, INPUT_PROP_ACCELEROMETER);

libevdev_free(evdev);
    close(fd);

std::cout << "Input device connected vid: 0x" << std::hex << vid << " pid: 0x" << std::hex << pid << " accel: " << is_accel << std::endl;

if (vid != 0x57e)
        return false;

if (pid != 0x2009 && pid != 0x2007 && pid != 0x2006 && pid != 0x2017)
        return false;

if (is_accel)
        return false;

return true;
}

//private
void ctlr_detector_android::scan_removed_ctlrs() {
    // Scan all controllers we think are connected to double check they actually are, removing if needed

for (auto ctlr : ctlr_dev_map) {
        if (access(ctlr.second.c_str(), F_OK)) {
            // Controller has been disconnected, it's event file is missing
            ctlr_manager.remove_ctlr(ctlr.first);
            ctlr_dev_map.erase(ctlr.first);
            return;
        }
    }
}

//private
void ctlr_detector_android::epoll_event_callback(int event_fd)
{
    char buf[8192];
    struct iovec event_iovec = { buf, sizeof(buf) };
    struct sockaddr_nl event_sockaddr;
    struct msghdr event_msg;
    int event_len, pos = 0;

event_msg = { &event_sockaddr, sizeof(event_sockaddr), &event_iovec, 1, NULL, 0, 0 };
    event_len = recvmsg(event_fd, &event_msg, 0);

std::string devpath, devnode, key, val;

bool action = false;
    bool correct = false;

scan_removed_ctlrs();

while (pos < event_len) {
        std::istringstream iss(&buf[pos]);
        while (std::getline(std::getline(iss, key, '=') >> std::ws, val)) {
            if ((key.find("ACTION") != std::string::npos)) {
                if (val == "add") {
                    correct = true;
                    action = true;
                } else if (val == "remove") {
                    correct = true;
                    action = false;
                }
            }

if (key == "SUBSYSTEM") {
                correct = (val == "input") && correct;
            }

if (key == "DEVPATH")
                devpath = val;

if (key == "DEVNAME" && val.find("/dev/") == std::string::npos)
                devnode = "/dev/" + val;
        }
        pos += strlen(&buf[pos]) + 1;
    }

if (!correct)
        return;

// Only accept event* devices and complete requests
    if (devpath.empty() || devnode.empty() || ((devnode.find("event") == std::string::npos) && (devnode.find("hid") == std::string::npos)))
        return;

devpath = "/class/input/" + std::string(basename(devnode.c_str())) + "/device";

// Sleep a bit to let driver load
    usleep(100000);

// Check the MAC to handle replacements - disconnects are not reported instantly so otherwise we can end up desynced
    std::ifstream funiq("/sys/" + devpath + "/uniq");
    std::string mac_addr = "";
    std::getline(funiq, mac_addr);

if (ctlr_mac_map.count(mac_addr)) {
        // Remove old controller
        ctlr_manager.remove_ctlr(ctlr_dev_map[ctlr_mac_map[mac_addr]]);
        ctlr_dev_map.erase(ctlr_mac_map[mac_addr]);
    }

if (!action) {
        ctlr_dev_map.erase(devnode);
        std::cout << "Remove controller from map: " << devpath << std::endl;
        ctlr_manager.remove_ctlr(devpath);
        return;
    }

if (check_ctlr_attributes(devnode)) {
        ctlr_manager.add_ctlr(devpath, devnode);
        std::cout << "Add controller to map: " << devpath << std::endl;
        ctlr_dev_map.insert({devpath, devnode});
        ctlr_mac_map.insert({mac_addr, devpath});
    }
}

//public
ctlr_detector_android::ctlr_detector_android(ctlr_mgr& ctlr_manager, epoll_mgr& epoll_manager) :
    ctlr_manager(ctlr_manager),
    epoll_manager(epoll_manager)
{
    struct sockaddr_nl uevent_socket;
    struct pollfd uevent_pollfd;
    struct dirent *event_dirent;
    std::string event_path;
    std::string sysfs_event_path;
    DIR *input_dir;

input_dir = opendir("/dev/input/");

while ((event_dirent = readdir(input_dir)) != NULL) {
        if (event_dirent->d_type & DT_DIR)
            continue;

event_path = "/dev/input/" + std::string(event_dirent->d_name);
        sysfs_event_path = "/class/input/" + std::string(event_dirent->d_name) + "/device";

if (check_ctlr_attributes(event_path)) {
            ctlr_manager.add_ctlr(sysfs_event_path, event_path);

std::ifstream funiq("/sys/" + sysfs_event_path + "/uniq");
            std::string mac_addr = "";
            std::getline(funiq, mac_addr);

std::cout << "Add controller to map: " << sysfs_event_path << std::endl;
            ctlr_dev_map.insert({sysfs_event_path, event_path});
            ctlr_mac_map.insert({mac_addr, sysfs_event_path});
        }
    }

// Open netlink socket
    memset(&uevent_socket,0,sizeof(struct sockaddr_nl));
    uevent_socket.nl_family = AF_NETLINK;
    uevent_socket.nl_pid = getpid();
    uevent_socket.nl_groups = -1;
    uevent_pollfd.events = POLLIN;
    uevent_pollfd.fd = socket(PF_NETLINK, SOCK_DGRAM, NETLINK_KOBJECT_UEVENT);
    if (uevent_pollfd.fd == -1) {
        std::cerr << "Unable to create polling fd:" << std::endl;
        return;
    }

// Listen to netlink socket
    if (bind(uevent_pollfd.fd, (struct sockaddr*)&uevent_socket, sizeof(struct sockaddr_nl))) {
        std::cerr << "Unable to create bind poll fd" << std::endl;
        return;
    }

subscriber = std::make_shared<epoll_subscriber>(std::vector({uevent_pollfd.fd}),
                                                    [=](int event_fd){epoll_event_callback(event_fd);});
    epoll_manager.add_subscriber(subscriber);

}

ctlr_detector_android::~ctlr_detector_android()
{
    epoll_manager.remove_subscriber(subscriber);
}

07070100000019000081A4000001D9000001DA00000001605F96D300000B0C000000000000000000000000000000000000003900000000joycond-v0.1.0+git.43~2d3f553/src/ctlr_detector_udev.cpp#include "ctlr_detector_udev.h"

#include <iostream>
#include <libudev.h>
#include <stdlib.h>

//private
void ctlr_detector_udev::epoll_event_callback(int event_fd)
{
    struct udev_device *dev;

dev = udev_monitor_receive_device(mon);
    if (dev) {
        std::string action = udev_device_get_action(dev);
        std::string devpath = udev_device_get_devpath(dev);

std::cout << "DEVNAME="    << udev_device_get_sysname(dev);
        std::cout << " ACTION="    << udev_device_get_action(dev);
        std::cout << " DEVPATH="   << udev_device_get_devpath(dev);
        std::cout << std::endl;

if (std::string("add") == action) {
            ctlr_manager.add_ctlr(udev_device_get_devpath(dev), udev_device_get_devnode(dev));
        } else if (std::string("remove") == action) {
            ctlr_manager.remove_ctlr(udev_device_get_devpath(dev));
        }
        udev_device_unref(dev);
    }
}

//public
ctlr_detector_udev::ctlr_detector_udev(ctlr_mgr& ctlr_manager, epoll_mgr& epoll_manager) :
    ctlr_manager(ctlr_manager),
    epoll_manager(epoll_manager)
{
    udev = udev_new();
    if (!udev) {
        std::cerr << "Failed to create udev\n";
        exit(EXIT_FAILURE);
    }

mon = udev_monitor_new_from_netlink(udev, "udev");
    if (!mon) {
        std::cerr << "Failed to create udev monitor\n";
        exit(EXIT_FAILURE);
    }
    udev_monitor_filter_add_match_tag(mon, "joycond");
    udev_monitor_enable_receiving(mon);
    udev_mon_fd = udev_monitor_get_fd(mon);

subscriber = std::make_shared<epoll_subscriber>(std::vector({udev_mon_fd}),
                                                    [=](int event_fd){epoll_event_callback(event_fd);});
    epoll_manager.add_subscriber(subscriber);

// Detect any existing controllers prior to daemon start
    struct udev_enumerate *enumerate;
    struct udev_list_entry *devlist;
    struct udev_list_entry *deventry;

enumerate = udev_enumerate_new(udev);
    if (!enumerate) {
        std::cerr << "Failed to create new udev enumeration\n";
        exit(EXIT_FAILURE);
    }
    udev_enumerate_add_match_tag(enumerate, "joycond");
    udev_enumerate_scan_devices(enumerate);
    devlist = udev_enumerate_get_list_entry(enumerate);
    if (devlist) {
        udev_list_entry_foreach(deventry, devlist) {
            char const *path = udev_list_entry_get_name(deventry);
            struct udev_device *dev = udev_device_new_from_syspath(udev, path);
            std::string devpath = udev_device_get_devpath(dev);
            std::string devname = udev_device_get_devnode(dev);

ctlr_manager.add_ctlr(devpath, devname);
            udev_device_unref(dev);
        }
    }
    udev_enumerate_unref(enumerate);
}

ctlr_detector_udev::~ctlr_detector_udev()
{
    epoll_manager.remove_subscriber(subscriber);
}

0707010000001A000081A4000001D9000001DA00000001605F96D300002374000000000000000000000000000000000000002F00000000joycond-v0.1.0+git.43~2d3f553/src/ctlr_mgr.cpp#include "ctlr_mgr.h"
#include "virt_ctlr_passthrough.h"
#include "virt_ctlr_combined.h"

#include <iostream>
#include <unistd.h>

//private
void ctlr_mgr::epoll_event_callback(int event_fd)
{
    for (auto& kv : unpaired_controllers) {
        auto ctlr = kv.second;
        if (event_fd == ctlr->get_fd()) {
            ctlr->handle_events();
            switch (ctlr->get_pairing_state()) {
                case phys_ctlr::PairingState::Lone:
                    std::cout << "Lone controller paired\n";
                    add_passthrough_ctlr(ctlr);
                    break;
                case phys_ctlr::PairingState::Waiting:
                    std::cout << "Waiting controller needs partner\n";
                    if (ctlr->get_model() == phys_ctlr::Model::Left_Joycon) {
                        if (!left) {
                            left = ctlr;
                            std::cout << "Found left\n";
                        }
                    } else {
                        if (!right) {
                            right = ctlr;
                            std::cout << "Found right\n";
                        }
                    }
                    if (left && right) {
                        add_combined_ctlr();
                        left = nullptr;
                        right = nullptr;
                    }
                    break;
                case phys_ctlr::PairingState::Horizontal:
                    std::cout << "Joy-Con paired in horizontal mode\n";
                    add_passthrough_ctlr(ctlr);
                    break;
                default:
                    if (left == ctlr)
                        left = nullptr;
                    if (right == ctlr)
                        right = nullptr;
                    break;
            }
            break;
        }
    }

for (auto& ctlr : paired_controllers) {
        if (!ctlr)
            continue;
        if (ctlr->contains_fd(event_fd))
            ctlr->handle_events(event_fd);
    }
}

void ctlr_mgr::add_passthrough_ctlr(std::shared_ptr<phys_ctlr> phys)
{
    std::unique_ptr<virt_ctlr_passthrough> passthrough(new virt_ctlr_passthrough(phys));

if (left == phys)
        left = nullptr;
    if (right == phys)
        right = nullptr;

bool found_slot = false;
    for (unsigned int i = 0; i < paired_controllers.size(); i++) {
        if (!paired_controllers[i]) {
            found_slot = true;
            phys->set_player_leds_to_player(i % 4 + 1);
            paired_controllers[i] = std::move(passthrough);
            break;
        }
    }

if (!found_slot) {
        phys->set_player_leds_to_player(paired_controllers.size() % 4 + 1);
        paired_controllers.push_back(std::move(passthrough));
    }

unpaired_controllers.erase(phys->get_devpath());
}

void ctlr_mgr::add_combined_ctlr()
{
    std::unique_ptr<virt_ctlr_combined> combined(new virt_ctlr_combined(left, right, epoll_manager));

std::cout << "Creating combined joy-con input\n";

bool found_slot = false;
    for (unsigned int i = 0; i < paired_controllers.size(); i++) {
        if (!paired_controllers[i]) {
            found_slot = true;
            left->set_player_leds_to_player(i % 4 + 1);
            right->set_player_leds_to_player(i % 4 + 1);
            combined->set_player_leds_to_player(i % 4 + 1);
            paired_controllers[i] = std::move(combined);
            break;
        }
    }
    if (!found_slot) {
        left->set_player_leds_to_player(paired_controllers.size() % 4 + 1);
        right->set_player_leds_to_player(paired_controllers.size() % 4 + 1);
        combined->set_player_leds_to_player(paired_controllers.size() % 4 + 1);
        paired_controllers.push_back(std::move(combined));
    }

unpaired_controllers.erase(left->get_devpath());
    unpaired_controllers.erase(right->get_devpath());
}

//public
ctlr_mgr::ctlr_mgr(epoll_mgr& epoll_manager) :
    epoll_manager(epoll_manager),
    unpaired_controllers(),
    subscribers(),
    paired_controllers()
{
}

ctlr_mgr::~ctlr_mgr()
{

}

void ctlr_mgr::add_ctlr(const std::string& devpath, const std::string& devname)
{
    std::shared_ptr<phys_ctlr> phys = nullptr;

if (!unpaired_controllers.count(devpath)) {
        std::cout << "Creating new phys_ctlr for " << devname << std::endl;
        phys.reset(new phys_ctlr(devpath, devname));
        unpaired_controllers[devpath] = phys;
        phys->blink_player_leds();
        subscribers[devpath] = std::make_shared<epoll_subscriber>(std::vector({phys->get_fd()}),
                                                [=](int event_fd){epoll_event_callback(event_fd);});
        epoll_manager.add_subscriber(subscribers[devpath]);
    } else {
        std::cerr << "Attempting to add existing phys_ctlr to controller manager\n";
        return;
    }

// See if this controller belongs to a "stale" controller
    for (unsigned int i = 0; i < stale_controllers.size(); i++) {
        auto& virt = stale_controllers[i];

if (!virt)
            continue;

if (virt->mac_belongs(phys->get_mac_addr())) {
            bool found_slot = false;
            std::cout << "Re-pairing stale controller\n";
            for (unsigned int i = 0; i < paired_controllers.size(); i++) {
                if (!paired_controllers[i]) {
                    found_slot = true;
                    paired_controllers[i] = std::move(virt);
                    break;
                }
            }
            if (!found_slot)
                paired_controllers.push_back(std::move(virt));
            stale_controllers.erase(stale_controllers.begin() + i);
            break;
        }
    }

// Check if a controller with this MAC already exists in a combined controller
    for (unsigned int i = 0; i < paired_controllers.size(); i++) {
        auto& virt = paired_controllers[i];

if (!virt)
            continue;

if (virt->supports_hotplug()) {
            bool found;
            for (auto phys2 : virt->get_phys_ctlrs()) {
                if (phys->get_mac_addr() == phys2->get_mac_addr() && phys->get_mac_addr() != "") {
                    std::cout << "Replacing controller (likely a BT to serial switch)\n";
                    if (subscribers.count(phys2->get_devpath())) {
                        epoll_manager.remove_subscriber(subscribers[phys2->get_devpath()]);
                        subscribers.erase(phys2->get_devpath());
                    }
                    virt->remove_phys_ctlr(phys2);
                    phys->set_player_leds_to_player(i % 4 + 1);
                    virt->add_phys_ctlr(phys);
                    unpaired_controllers.erase(phys->get_devpath());
                    found = true;
                    break;
                }
            }
            if (found)
                break;
        }
    }

// Now check if this is a reconnecting joy-con
    for (unsigned int i = 0; i < paired_controllers.size(); i++) {
        auto& virt = paired_controllers[i];

if (!virt)
            continue;

if (((virt->needs_model() == phys->get_model() && phys->get_model() != phys_ctlr::Model::Unknown)
            || virt->no_ctlrs_left()) && virt->supports_hotplug()) {
            std::cout << "Detected reconnected joy-con\n";
            phys->set_player_leds_to_player(i % 4 + 1);
            virt->add_phys_ctlr(phys);
            unpaired_controllers.erase(phys->get_devpath());
        }
    }
    // check if we're already ready to pair this contoller
    if (unpaired_controllers.count(devpath))
        epoll_event_callback(unpaired_controllers[devpath]->get_fd());
}

void ctlr_mgr::remove_ctlr(const std::string& devpath)
{
    if (subscribers.count(devpath)) {
        epoll_manager.remove_subscriber(subscribers[devpath]);
        subscribers.erase(devpath);
    }
    if (unpaired_controllers.count(devpath)) {
        std::cout << "Removing " << devpath << " from unpaired list\n";
        auto phys = unpaired_controllers[devpath];
        if (phys == left)
            left = nullptr;
        if (phys == right)
            right = nullptr;
        unpaired_controllers.erase(devpath);
    }
    for (auto& ctlr : paired_controllers) {
        if (!ctlr)
            continue;
        bool found = false;
        for (auto phys : ctlr->get_phys_ctlrs()) {
            if (phys->get_devpath() == devpath) {
                bool serial = phys->is_serial_ctlr();

if (ctlr->supports_hotplug())
                    ctlr->remove_phys_ctlr(phys);

if (ctlr->no_ctlrs_left()) {
                    if (serial) {
                        std::cout << "Both serial joy-cons disconnected; keep ctlr alive\n";
                        stale_controllers.push_back(std::move(ctlr));
                    } else {
                        std::cout << "unpairing controller\n";
                    }
                    ctlr = nullptr;
                }

found = true;
                break;
            }
        }
        if (found)
            break;
    }
}
0707010000001B000081A4000001D9000001DA00000001605F96D30000094B000000000000000000000000000000000000003000000000joycond-v0.1.0+git.43~2d3f553/src/epoll_mgr.cpp#include "epoll_mgr.h"

#include <iostream>
#include <stdlib.h>
#include <string.h>
#include <sys/epoll.h>

//private

//public
epoll_mgr::epoll_mgr()
{
    epoll_fd = epoll_create1(0);
    if (epoll_fd < 0) {
        std::cerr << "Failed to create epoll; " << strerror(errno) << std::endl;
        exit(EXIT_FAILURE);
    }
}

epoll_mgr::~epoll_mgr()
{
}

void epoll_mgr::add_subscriber(std::shared_ptr<epoll_subscriber> sub)
{
    for (int fd : sub->get_event_fds()) {
        if (subscribers.count(fd)) {
            std::cerr << "epoll_mgr already contains event_fd; cannot add twice\n";
            exit(EXIT_FAILURE);
        }

struct epoll_event event = {0};
        event.events = EPOLLIN;
        event.data.fd = fd;
        if (epoll_ctl(epoll_fd, EPOLL_CTL_ADD, fd, &event)) {
            std::cerr << "Failed to add fd to epoll; errno=" << errno << std::endl;
            exit(EXIT_FAILURE);
        }
        std::cout << "adding epoll_subscriber: fd=" << fd << std::endl;
        subscribers[fd] = sub;
    }
}

void epoll_mgr::remove_subscriber(std::shared_ptr<epoll_subscriber> sub)
{
    for (int fd : sub->get_event_fds()) {
        if (!subscribers.count(fd)) {
            std::cerr << "epoll_mgr doesn't contain event_fd; cannot remove: " << fd << std::endl;
            exit(EXIT_FAILURE);
        }
        if (subscribers[fd] != sub) {
            std::cerr << "subscriber to be removed matches fd of other subscriber\n";
            exit(EXIT_FAILURE);
        }

struct epoll_event event = {0};
        event.events = EPOLLIN;
        event.data.fd = fd;
        if (epoll_ctl(epoll_fd, EPOLL_CTL_DEL, fd, &event)) {
            std::cerr << "Failed to remove fd from epoll; errno=" << errno << std::endl;
            exit(EXIT_FAILURE);
        }
        subscribers.erase(fd);
    }
}

static const int MAX_EVENTS = 10;
static const int TIMEOUT = 500;
void epoll_mgr::loop()
{
    struct epoll_event events[MAX_EVENTS];
    int nfds;

nfds = epoll_pwait(epoll_fd, events, MAX_EVENTS, TIMEOUT, nullptr);
    if (nfds == -1) {
        std::cerr << "epoll_pwait failure\n";
        return;
    }

for (int i = 0; i < nfds; i++) {
        int e_fd = events[i].data.fd;
        if (subscribers.count(e_fd))
            (*subscribers[e_fd])(e_fd);
        else
            std::cerr << "fd not found in subscribers map\n";
    }
}

0707010000001C000081A4000001D9000001DA00000001605F96D3000001A9000000000000000000000000000000000000003700000000joycond-v0.1.0+git.43~2d3f553/src/epoll_subscriber.cpp#include "epoll_subscriber.h"

//private

//public
epoll_subscriber::epoll_subscriber(std::vector<int> fds, std::function<void(int event_fd)> callback) :
    event_callback(callback),
    event_fds(fds)
{
}

epoll_subscriber::~epoll_subscriber()
{
}

void epoll_subscriber::operator() (int event_fd)
{
    event_callback(event_fd);
}

const std::vector<int>& epoll_subscriber::get_event_fds() const
{
    return event_fds;
}
0707010000001D000081A4000001D9000001DA00000001605F96D300000291000000000000000000000000000000000000002B00000000joycond-v0.1.0+git.43~2d3f553/src/main.cpp#include <iostream>
#include "ctlr_mgr.h"
#include "epoll_mgr.h"
#if defined(ANDROID) || defined(__ANDROID__)
#include "ctlr_detector_android.h"
#include "android_log.h"
#else
#include "ctlr_detector_udev.h"
#endif

int main(int argc, char *argv[])
{
    epoll_mgr epoll_manager;
    ctlr_mgr ctlr_manager(epoll_manager);
#if defined(ANDROID) || defined(__ANDROID__)
    std::cout.rdbuf(new androidbuf); // Redirect cout to logcat
    ctlr_detector_android android_detector(ctlr_manager, epoll_manager);
#else
    ctlr_detector_udev udev_detector(ctlr_manager, epoll_manager);
#endif

while (true) {
        epoll_manager.loop();
    }

return 0;
}
0707010000001E000081A4000001D9000001DA00000001605F96D30000308E000000000000000000000000000000000000003000000000joycond-v0.1.0+git.43~2d3f553/src/phys_ctlr.cpp#include "phys_ctlr.h"

#include <fcntl.h>
#include <iostream>
#include <glob.h>
#include <string>
#include <string.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>

//private
std::optional<std::string> phys_ctlr::get_first_glob_path(std::string const &pattern)
{
    glob_t globbuf;

glob(pattern.c_str(), 0, NULL, &globbuf);
    if (globbuf.gl_pathc) {
        std::string match(globbuf.gl_pathv[0]);
        globfree(&globbuf);
        return { match };
    }

std::cout << "no match found for " << pattern << std::endl;
    globfree(&globbuf);
    return std::nullopt;
}

std::optional<std::string> phys_ctlr::get_led_path(std::string const &name)
{
    // Android links sysfs differently
#if defined(ANDROID) || defined(__ANDROID__)
    return get_first_glob_path(std::string("/sys/") + devpath + "/device/leds/*" + name);
#else
    return get_first_glob_path(std::string("/sys/") + devpath + "/device/device/leds/*" + name);
#endif
}

void phys_ctlr::init_leds()
{
    std::optional<std::string> tmp;
    for (unsigned int i = 0; i < 100; i++) {
        tmp = get_led_path("player1");
        if (tmp.has_value()) {
            player_leds[0].open(tmp.value() + "/brightness");
            if (!player_leds[0].is_open()) {
                std::cerr << "Failed to open player1 led brightness\n";
                usleep(10);
                continue;
            }
            player_led_triggers[0].open(tmp.value() + "/trigger");
            if (!player_led_triggers[0].is_open()) {
                std::cerr << "Failed to open player1 trigger\n";
                usleep(10);
                continue;
            }
            break;
        }
        usleep(10);
    }

for (unsigned int i = 0; i < 100; i++) {
        tmp = get_led_path("player2");
        if (tmp.has_value()) {
            player_leds[1].open(tmp.value() + "/brightness");
            if (!player_leds[1].is_open()) {
                std::cerr << "Failed to open player2 led brightness\n";
                usleep(10);
                continue;
            }
            player_led_triggers[1].open(tmp.value() + "/trigger");
            if (!player_led_triggers[1].is_open()) {
                std::cerr << "Failed to open player2 trigger\n";
                usleep(10);
                continue;
            }
            break;
        }
        usleep(10);
    }

for (unsigned int i = 0; i < 100; i++) {
        tmp = get_led_path("player3");
        if (tmp.has_value()) {
            player_leds[2].open(tmp.value() + "/brightness");
            if (!player_leds[2].is_open()) {
                std::cerr << "Failed to open player3 led brightness\n";
                usleep(10);
                continue;
            }
            player_led_triggers[2].open(tmp.value() + "/trigger");
            if (!player_led_triggers[2].is_open()) {
                std::cerr << "Failed to open player3 trigger\n";
                usleep(10);
                continue;
            }
            break;
        }
        usleep(10);
    }

for (unsigned int i = 0; i < 100; i++) {
        tmp = get_led_path("player4");
        if (tmp.has_value()) {
            player_leds[3].open(tmp.value() + "/brightness");
            if (!player_leds[3].is_open()) {
                std::cerr << "Failed to open player4 led brightness\n";
                usleep(10);
                continue;
            }
            player_led_triggers[3].open(tmp.value() + "/trigger");
            if (!player_led_triggers[3].is_open()) {
                std::cerr << "Failed to open player4 trigger\n";
                usleep(10);
                continue;
            }
            break;
        }
        usleep(10);
    }

if (model != Model::Left_Joycon) {
        for (unsigned int i = 0; i < 100; i++) {
            tmp = get_led_path("home");
            if (tmp.has_value()) {
                home_led.open(tmp.value() + "/brightness");
                if (!home_led.is_open()) {
                    std::cerr << "Failed to open home led brightness\n";
                    usleep(10);
                    continue;
                }
                break;
            }
            usleep(10);
        }
    }

}

void phys_ctlr::handle_event(struct input_event const &ev)
{
    int type = ev.type;
    int code = ev.code;
    int val = ev.value;

if (type != EV_KEY)
        return;

switch (model) {
        case Model::Procon:
        case Model::Snescon:
            switch (code) {
                case BTN_TL:
                    l = val;
                    break;
                case BTN_TL2:
                    zl = val;
                    break;
                case BTN_TR:
                    r = val;
                    break;
                case BTN_TR2:
                    zr = val;
                    break;
                default:
                    break;
            }
            break;
        case Model::Left_Joycon:
            switch (code) {
                case BTN_TL:
                    l = val;
                    break;
                case BTN_TL2:
                    zl = val;
                    break;
                case BTN_TR:
                    sl = val;
                    break;
                case BTN_TR2:
                    sr = val;
                    break;
                default:
                    break;
            }
            break;
        case Model::Right_Joycon:
            switch (code) {
                case BTN_TL:
                    sl = val;
                    break;
                case BTN_TL2:
                    sr = val;
                    break;
                case BTN_TR:
                    r = val;
                    break;
                case BTN_TR2:
                    zr = val;
                    break;
                default:
                    break;
            }
            break;
        default:
            break;
    }
}

//public
phys_ctlr::phys_ctlr(std::string const &devpath, std::string const &devname) :
    devpath(devpath),
    devname(devname),
    evdev(nullptr),
    is_serial(false)
{

int fd = open(devname.c_str(), O_RDWR | O_NONBLOCK);
    if (fd < 0) {
        std::cerr << "Failed to open " << devname << " ; errno=" << errno << std::endl;
        exit(1);
    }
    if (libevdev_new_from_fd(fd, &evdev)) {
        std::cerr << "Failed to create evdev from fd\n";
        exit(1);
    }

int product_id = libevdev_get_id_product(evdev);
    // Extra checks are required for charging grip
    if (product_id == 0x200e) {
        std::cout << "Found Charging Grip Joy-Con...\n";
        if (libevdev_has_event_code(evdev, EV_KEY, BTN_TL))
            product_id = 0x2006;
        else
            product_id = 0x2007;
    }

switch (product_id) {
        case 0x2009:
            model = Model::Procon;
            std::cout << "Found Pro Controller\n";
            break;
        case 0x2006:
            model = Model::Left_Joycon;
            std::cout << "Found Left Joy-Con\n";
            break;
        case 0x2007:
            model = Model::Right_Joycon;
            std::cout << "Found Right Joy-Con\n";
            break;
        case 0x2017:
            model = Model::Snescon;
            std::cout << "Found SNES Controller\n";
            break;
        default:
            model = Model::Unknown;
            std::cerr << "Unknown product id = " << std::hex << libevdev_get_id_product(evdev) << std::endl;
            break;
    }

init_leds();

// Prevent other users from having access to the evdev until it's paired
    grab();
    if (fchmod(get_fd(), S_IRUSR | S_IWUSR))
        std::cerr << "Failed to change evdev permissions; " << strerror(errno) << std::endl;

// Check if this is a serial joy-con
#if defined(ANDROID) || defined(__ANDROID__)
    std::ifstream fname("/sys/" + devpath + "/name");
#else
    std::ifstream fname("/sys/" + devpath + "/../name");
#endif
    std::string driver_name;
    std::getline(fname, driver_name);
    std::cout << "driver_name: " << driver_name << std::endl;
    if (driver_name.find("Serial") != std::string::npos) {
        std::cout << "Serial joy-con detected\n";
        // Turn off player LEDs by default with serial joycons by default
        set_all_player_leds(false);
        is_serial = true;
    }

// Attempt to read MAC address from uniq attribute
    mac_addr = "";
#if defined(ANDROID) || defined(__ANDROID__)
    std::ifstream funiq("/sys/" + devpath + "/uniq");
#else
     std::ifstream funiq("/sys/" + devpath + "/../uniq");
#endif
    std::getline(funiq, mac_addr);
    std::cout << "MAC: " << mac_addr << std::endl;
}

phys_ctlr::~phys_ctlr()
{
    if (evdev) {
        int fd = libevdev_get_fd(evdev);
        libevdev_free(evdev);
        close(fd);
    }
}

bool phys_ctlr::set_player_led(int index, bool on)
{
    if (index > 3 || !player_leds[index].is_open() || is_serial)
        return false;

player_leds[index] << (on ? '1' : '0');
    player_leds[index].flush();
    return true;
}

bool phys_ctlr::set_all_player_leds(bool on)
{
    for (int i = 0; i < 4; i++) {
        if (!set_player_led(i, on))
            return false;
    }
    return true;
}

bool phys_ctlr::set_player_leds_to_player(int player)
{
    if (player < 1 || player > 4) {
        std::cerr << player << " is not a valid player led value\n";
        return false;
    }

set_all_player_leds(false);
    for (int i = 0; i < player; i++) {
        set_player_led(i, true);
    }
    return true;
}

bool phys_ctlr::set_home_led(unsigned short brightness)
{
    if (brightness > 15 || !home_led.is_open())
        return false;

home_led << brightness;
    home_led.flush();
    return true;
}

bool phys_ctlr::blink_player_leds()
{
    /* start with all player leds off */
    set_all_player_leds(false);

for (int i = 0; i < 4; i++) {
        try {
            player_led_triggers[i] << "timer";
            player_led_triggers[i].flush();
        } catch (std::exception& e) {
            std::cerr << "Failed to select LED timer trigger. Is ledtrig-timer module probed?\n";
            return false;
        }
    }
    return true;
}

int phys_ctlr::get_fd()
{
    return libevdev_get_fd(evdev);
}

void phys_ctlr::handle_events()
{
    struct input_event ev;

enum phys_ctlr::PairingState phys_ctlr::get_pairing_state() const
{
    enum phys_ctlr::PairingState state = PairingState::Pairing;

// leds don't function on android joycons so no way of the user knowing the pair state
#if defined(ANDROID) || defined(__ANDROID__)
    if (model != Model::Procon && model != Model::Snescon)
        return PairingState::Waiting;
    else
        return PairingState::Lone;
#endif

if (libevdev_get_id_product(evdev) == 0x200e)
        return PairingState::Waiting;

// uart joy-cons should just always be willing to pair
    if (is_serial)
        return PairingState::Waiting;

switch (model) {
        case Model::Procon:
        case Model::Snescon:
            if ((l | zl) && (r | zr))
                state = PairingState::Lone;
            break;
        case Model::Left_Joycon:
            if (l ^ zl)
                state = PairingState::Waiting;
            else if (sl && sr)
                state = PairingState::Horizontal;
            else if (l && zl)
                state = PairingState::Lone;
            break;
        case Model::Right_Joycon:
            if (r ^ zr)
                state = PairingState::Waiting;
            else if (sl && sr)
                state = PairingState::Horizontal;
            else if (r && zr)
                state = PairingState::Lone;
            break;
        default:
            break;
    }
    return state;
}

void phys_ctlr::zero_triggers()
{
    l = zl = r = zr = sl = sr = 0;
}
0707010000001F000081A4000001D9000001DA00000001605F96D300000017000000000000000000000000000000000000003000000000joycond-v0.1.0+git.43~2d3f553/src/virt_ctlr.cpp#include "virt_ctlr.h"
07070100000020000081A4000001D9000001DA00000001605F96D300004C73000000000000000000000000000000000000003900000000joycond-v0.1.0+git.43~2d3f553/src/virt_ctlr_combined.cpp#include "virt_ctlr_combined.h"

#include <cstring>
#include <fcntl.h>
#include <iostream>
#include <libevdev/libevdev-uinput.h>
#include <linux/uinput.h>
#include <sys/epoll.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>
#include <vector>

//private
void virt_ctlr_combined::relay_events(std::shared_ptr<phys_ctlr> phys)
{
    struct input_event ev;
    struct libevdev *evdev = phys->get_evdev();
    bool is_serial;

int ret = libevdev_next_event(evdev, LIBEVDEV_READ_FLAG_NORMAL, &ev);
    while (ret == LIBEVDEV_READ_STATUS_SYNC || ret == LIBEVDEV_READ_STATUS_SUCCESS) {
        if (ret == LIBEVDEV_READ_STATUS_SYNC) {
            std::cout << "handle sync\n";
            while (ret == LIBEVDEV_READ_STATUS_SYNC) {
                libevdev_uinput_write_event(uidev, ev.type, ev.code, ev.value);
                ret = libevdev_next_event(evdev, LIBEVDEV_READ_FLAG_SYNC, &ev);
            }
        } else if (ret == LIBEVDEV_READ_STATUS_SUCCESS) {
            is_serial = phys->is_serial_ctlr();
            /* First remap the SL and SR buttons on each physical controller */
            if (phys == physl && ev.type == EV_KEY && (ev.code == BTN_TR || ev.code == BTN_TR2)) {
                if (!is_serial)
                    libevdev_uinput_write_event(uidev, ev.type, ev.code == BTN_TR ? BTN_TRIGGER_HAPPY1 : BTN_TRIGGER_HAPPY2, ev.value);
                ret = libevdev_next_event(evdev, LIBEVDEV_READ_FLAG_NORMAL, &ev);
                continue;
            } else if (phys == physr && ev.type == EV_KEY && (ev.code == BTN_TL || ev.code == BTN_TL2)) {
                if (!is_serial)
                    libevdev_uinput_write_event(uidev, ev.type, ev.code == BTN_TL ? BTN_TRIGGER_HAPPY3 : BTN_TRIGGER_HAPPY4, ev.value);
                ret = libevdev_next_event(evdev, LIBEVDEV_READ_FLAG_NORMAL, &ev);
                continue;
            }

#if defined(ANDROID) || defined(__ANDROID__)
            /* Second remap the ZL and ZR buttons to analog trigger and map the DPAD to a HAT on android */
            if (phys == physl && ev.type == EV_KEY && ev.code == BTN_TL2) {
                libevdev_uinput_write_event(uidev, EV_ABS, ABS_Z, ev.value);
                ret = libevdev_next_event(evdev, LIBEVDEV_READ_FLAG_NORMAL, &ev);
                continue;
            } else if (phys == physr && ev.type == EV_KEY && ev.code == BTN_TR2) {
                libevdev_uinput_write_event(uidev, EV_ABS, ABS_RZ, ev.value);
                ret = libevdev_next_event(evdev, LIBEVDEV_READ_FLAG_NORMAL, &ev);
                continue;
            }

if (ev.type == EV_KEY) {
                switch (ev.code) {
                    case BTN_DPAD_UP:
                        libevdev_uinput_write_event(uidev, EV_ABS, ABS_HAT0Y, -ev.value);
                        ret = libevdev_next_event(evdev, LIBEVDEV_READ_FLAG_NORMAL, &ev);
                        continue;
                    case BTN_DPAD_DOWN:
                        libevdev_uinput_write_event(uidev, EV_ABS, ABS_HAT0Y, ev.value);
                        ret = libevdev_next_event(evdev, LIBEVDEV_READ_FLAG_NORMAL, &ev);
                        continue;
                    case BTN_DPAD_LEFT:
                        libevdev_uinput_write_event(uidev, EV_ABS, ABS_HAT0X, -ev.value);
                        ret = libevdev_next_event(evdev, LIBEVDEV_READ_FLAG_NORMAL, &ev);
                        continue;
                    case BTN_DPAD_RIGHT:
                        libevdev_uinput_write_event(uidev, EV_ABS, ABS_HAT0X, ev.value);
                        ret = libevdev_next_event(evdev, LIBEVDEV_READ_FLAG_NORMAL, &ev);
                        continue;
                    default:
                        break;
                }
            }
#endif
            libevdev_uinput_write_event(uidev, ev.type, ev.code, ev.value);
        }
        ret = libevdev_next_event(evdev, LIBEVDEV_READ_FLAG_NORMAL, &ev);
    }
}

void virt_ctlr_combined::handle_uinput_event()
{
    struct input_event ev;
    int ret;

while ((ret = read(get_uinput_fd(), &ev, sizeof(ev))) == sizeof(ev)) {
        switch (ev.type) {
            case EV_FF:
                {
                    struct input_event redirectedl = ev;
                    struct input_event redirectedr = ev;

if (!rumble_effects.count(ev.code)) {
                        if (ev.code < FF_GAIN)
                            std::cerr << "ERROR: ff_effect with id=" << ev.code << " is not in map\n";
                    } else {
                        redirectedl.code = rumble_effects[ev.code].first.id;
                        redirectedr.code = rumble_effects[ev.code].second.id;
                    }

/* Just forward this FF event on to the actual devices */
                    if (physl) {
                        if (write(physl->get_fd(), &redirectedl, sizeof(redirectedl)) != sizeof(redirectedl))
                            std::cerr << "Failed to forward EV_FF to physl\n";
                    }
                    if (physr) {
                        if (write(physr->get_fd(), &redirectedr, sizeof(redirectedr)) != sizeof(redirectedr))
                            std::cerr << "Failed to forward EV_FF to physr\n";
                    }
                    break;
                }

case EV_UINPUT:
                switch (ev.code) {
                    case UI_FF_UPLOAD:
                        {
                            struct uinput_ff_upload upload = { 0 };
                            struct ff_effect effect = { 0 };
                            struct ff_effect effect_l = { 0 };
                            struct ff_effect effect_r = { 0 };

upload.request_id = ev.value;
                            if (ioctl(get_uinput_fd(), UI_BEGIN_FF_UPLOAD, &upload))
                                std::cerr << "Failed to get uinput_ff_upload: " << strerror(errno) << std::endl;

effect = upload.effect;
                            effect.id = -1;
                            /* upload the effect to both devices */
                            upload.retval = 0;
                            if (physl) {
                                if (ioctl(physl->get_fd(), EVIOCSFF, &effect) == -1)
                                    upload.retval = errno;
                                effect_l = effect;
                            }

if (physr) {
                                /* reset effect */
                                effect = upload.effect;
                                effect.id = -1;
                                if (ioctl(physr->get_fd(), EVIOCSFF, &effect) == -1)
                                    upload.retval = errno;
                                effect_r = effect;
                            }

upload.effect = effect;

if (upload.retval)
                                std::cerr << "UI_FF_UPLOAD failed: " << strerror(upload.retval) << std::endl;

if (rumble_effects.count(effect.id))
                                std::cerr << "WARNING: ff_effect already in map\n";
                            rumble_effects[effect.id] = std::make_pair(effect_l, effect_r);

if (ioctl(get_uinput_fd(), UI_END_FF_UPLOAD, &upload))
                                std::cerr << "Failed to end uinput_ff_upload: " << strerror(errno) << std::endl;

break;
                        }
                    case UI_FF_ERASE:
                        {
                            struct uinput_ff_erase erase = { 0 };

erase.request_id = ev.value;
                            if (ioctl(get_uinput_fd(), UI_BEGIN_FF_ERASE, &erase))
                                std::cerr << "Failed to get uinput_ff_erase: " << strerror(errno) << std::endl;

erase.retval = 0;
                            if (physl) {
                                if (ioctl(physl->get_fd(), EVIOCRMFF, erase.effect_id) == -1)
                                    erase.retval = errno;
                            }
                            if (physr) {
                                if (ioctl(physr->get_fd(), EVIOCRMFF, erase.effect_id) == -1)
                                    erase.retval = errno;
                            }

if (erase.retval)
                                std::cerr << "UI_FF_ERASE failed: " << strerror(erase.retval) << std::endl;
                            else if (!rumble_effects.count(erase.effect_id))
                                std::cerr << "WARNING: effect_id not in rumble_effects map\n";
                            else
                                rumble_effects.erase(erase.effect_id);

if (ioctl(get_uinput_fd(), UI_END_FF_ERASE, &erase))
                                std::cerr << "Failed to end uinput_ff_erase: " << strerror(errno) << std::endl;

break;
                        }
                    default:
                        std::cerr << "Unhandled EV_UNINPUT code=" << ev.code <<std::endl;
                        break;
                }
                break;

case EV_LED:
                if (ev.value == 0) {
                    libevdev_uinput_write_event(uidev, EV_LED, ev.code, !ev.value);
                }
                break;

default:
                std::cerr << "Unhandled uinput type=" << ev.type << std::endl;
                break;
        }
    }
    if (ret < 0 && errno != EAGAIN) {
        std::cerr << "Failed reading uinput fd; ret=" << strerror(errno) << std::endl;
    } else if (ret > 0) {
        std::cerr << "Uinput incorrect read size of " << ret << std::endl;
    }
}

//public
virt_ctlr_combined::virt_ctlr_combined(std::shared_ptr<phys_ctlr> physl, std::shared_ptr<phys_ctlr> physr, epoll_mgr& epoll_manager) :
    physl(physl),
    physr(physr),
    epoll_manager(epoll_manager),
    subscriber(nullptr),
    virt_evdev(nullptr),
    uidev(nullptr),
    uifd(-1),
    rumble_effects(),
    left_mac(physl->get_mac_addr()),
    right_mac(physr->get_mac_addr())
{
    int ret;

uifd = open("/dev/uinput", O_RDWR);
    if (uifd < 0) {
        std::cerr << "Failed to open uinput; errno=" << errno << std::endl;
        exit(1);
    }

// Create a virtual evdev on which the uinput will be based
    virt_evdev = libevdev_new();
    if (!virt_evdev) {
        std::cerr << "Failed to create virtual evdev\n";
        exit(1);
    }

libevdev_set_name(virt_evdev, "Nintendo Switch Combined Joy-Cons");

// Make sure that all of this configuration remains in sync with the hid-nintendo driver.
    libevdev_enable_event_type(virt_evdev, EV_KEY);
    libevdev_enable_event_code(virt_evdev, EV_KEY, BTN_SELECT, NULL);
    libevdev_enable_event_code(virt_evdev, EV_KEY, BTN_Z, NULL);
    libevdev_enable_event_code(virt_evdev, EV_KEY, BTN_THUMBL, NULL);
    libevdev_enable_event_code(virt_evdev, EV_KEY, BTN_START, NULL);
    libevdev_enable_event_code(virt_evdev, EV_KEY, BTN_MODE, NULL);
    libevdev_enable_event_code(virt_evdev, EV_KEY, BTN_THUMBR, NULL);
    libevdev_enable_event_code(virt_evdev, EV_KEY, BTN_SOUTH, NULL);
    libevdev_enable_event_code(virt_evdev, EV_KEY, BTN_EAST, NULL);
    libevdev_enable_event_code(virt_evdev, EV_KEY, BTN_NORTH, NULL);
    libevdev_enable_event_code(virt_evdev, EV_KEY, BTN_WEST, NULL);
#if !defined(ANDROID) && !defined(__ANDROID__)
    libevdev_enable_event_code(virt_evdev, EV_KEY, BTN_DPAD_UP, NULL);
    libevdev_enable_event_code(virt_evdev, EV_KEY, BTN_DPAD_DOWN, NULL);
    libevdev_enable_event_code(virt_evdev, EV_KEY, BTN_DPAD_LEFT, NULL);
    libevdev_enable_event_code(virt_evdev, EV_KEY, BTN_DPAD_RIGHT, NULL);
#endif
    libevdev_enable_event_code(virt_evdev, EV_KEY, BTN_TL, NULL);
    libevdev_enable_event_code(virt_evdev, EV_KEY, BTN_TR, NULL);
#if !defined(ANDROID) && !defined(__ANDROID__)
    libevdev_enable_event_code(virt_evdev, EV_KEY, BTN_TL2, NULL);
    libevdev_enable_event_code(virt_evdev, EV_KEY, BTN_TR2, NULL);
#endif

// Map the S triggers to these misc. buttons if not connected via serial.
    if (!physl->is_serial_ctlr() && !physr->is_serial_ctlr()) {
        libevdev_enable_event_code(virt_evdev, EV_KEY, BTN_TRIGGER_HAPPY1, NULL);
        libevdev_enable_event_code(virt_evdev, EV_KEY, BTN_TRIGGER_HAPPY2, NULL);
        libevdev_enable_event_code(virt_evdev, EV_KEY, BTN_TRIGGER_HAPPY3, NULL);
        libevdev_enable_event_code(virt_evdev, EV_KEY, BTN_TRIGGER_HAPPY4, NULL);
    }

struct input_absinfo absconfig = { 0 };
    absconfig.minimum = -32767;
    absconfig.maximum = 32767;
    absconfig.fuzz = 250;
    absconfig.flat = 500;
    libevdev_enable_event_type(virt_evdev, EV_ABS);
    libevdev_enable_event_code(virt_evdev, EV_ABS, ABS_X, &absconfig);
    libevdev_enable_event_code(virt_evdev, EV_ABS, ABS_Y, &absconfig);
    libevdev_enable_event_code(virt_evdev, EV_ABS, ABS_RX, &absconfig);
    libevdev_enable_event_code(virt_evdev, EV_ABS, ABS_RY, &absconfig);

// Emulate analog triggers and HAT for android
#if defined(ANDROID) || defined(__ANDROID__)
    struct input_absinfo absconfig_fake = { 0 };
    absconfig_fake.minimum = 0;
    absconfig_fake.maximum = 1;
    absconfig_fake.fuzz = 0;
    absconfig_fake.flat = 0;

libevdev_enable_event_code(virt_evdev, EV_ABS, ABS_Z, &absconfig_fake);
    libevdev_enable_event_code(virt_evdev, EV_ABS, ABS_RZ, &absconfig_fake);

absconfig_fake.minimum = -1;

libevdev_enable_event_code(virt_evdev, EV_ABS, ABS_HAT0X, &absconfig_fake);
    libevdev_enable_event_code(virt_evdev, EV_ABS, ABS_HAT0Y, &absconfig_fake);
#endif
    libevdev_enable_event_type(virt_evdev, EV_FF);
    libevdev_enable_event_code(virt_evdev, EV_FF, FF_RUMBLE, NULL);
    libevdev_enable_event_code(virt_evdev, EV_FF, FF_PERIODIC, NULL);
    libevdev_enable_event_code(virt_evdev, EV_FF, FF_SQUARE, NULL);
    libevdev_enable_event_code(virt_evdev, EV_FF, FF_TRIANGLE, NULL);
    libevdev_enable_event_code(virt_evdev, EV_FF, FF_SINE, NULL);
    libevdev_enable_event_code(virt_evdev, EV_FF, FF_GAIN, NULL);

// Set the product information to a left joy-con's product info (but with virtual bus type)
    libevdev_set_id_vendor(virt_evdev, 0x57e);
    libevdev_set_id_product(virt_evdev, 0x2008); // HACK?
    libevdev_set_id_bustype(virt_evdev, BUS_VIRTUAL);
    libevdev_set_id_version(virt_evdev, 0x0000);

// Enable LED events
    libevdev_enable_event_type(virt_evdev, EV_LED);
    libevdev_enable_event_code(virt_evdev, EV_LED, 0, NULL);
    libevdev_enable_event_code(virt_evdev, EV_LED, 1, NULL);
    libevdev_enable_event_code(virt_evdev, EV_LED, 2, NULL);
    libevdev_enable_event_code(virt_evdev, EV_LED, 3, NULL);

ret = libevdev_uinput_create_from_device(virt_evdev, LIBEVDEV_UINPUT_OPEN_MANAGED, &uidev);
    if (ret) {
        std::cerr << "Failed to create libevdev_uinput; " << ret << std::endl;
        exit(1);
    }

int flags = fcntl(get_uinput_fd(), F_GETFL, 0);
    fcntl(get_uinput_fd(), F_SETFL, flags | O_NONBLOCK);

subscriber = std::make_shared<epoll_subscriber>(std::vector({get_uinput_fd()}),
                                                    [=](int event_fd){handle_events(event_fd);});
    epoll_manager.add_subscriber(subscriber);
}

virt_ctlr_combined::~virt_ctlr_combined()
{
    epoll_manager.remove_subscriber(subscriber);

libevdev_uinput_destroy(uidev);
    close(uifd);
    libevdev_free(virt_evdev);
}

void virt_ctlr_combined::handle_events(int fd)
{
    if (physl && fd == physl->get_fd())
        relay_events(physl);
    else if (physr && fd == physr->get_fd())
        relay_events(physr);
    else if (fd == get_uinput_fd())
        handle_uinput_event();
    else
        std::cerr << "fd=" << fd << " is an invalid fd for this combined controller\n";
}

bool virt_ctlr_combined::contains_phys_ctlr(std::shared_ptr<phys_ctlr> const ctlr) const
{
    return physl == ctlr || physr == ctlr;
}

bool virt_ctlr_combined::contains_phys_ctlr(char const *devpath) const
{
    return (physl && physl->get_devpath() == devpath) || (physr && physr->get_devpath() == devpath);
}

bool virt_ctlr_combined::contains_fd(int fd) const
{
    return (physl && physl->get_fd() == fd) || (physr && physr->get_fd() == fd) ||
            libevdev_uinput_get_fd(uidev) == fd;
}

std::vector<std::shared_ptr<phys_ctlr>> virt_ctlr_combined::get_phys_ctlrs()
{
    std::vector<std::shared_ptr<phys_ctlr>> ctlrs;
    if (physl)
        ctlrs.push_back(physl);
    if (physr)
        ctlrs.push_back(physr);
    return ctlrs;
}

int virt_ctlr_combined::get_uinput_fd()
{
    return libevdev_uinput_get_fd(uidev);
}

void virt_ctlr_combined::remove_phys_ctlr(const std::shared_ptr<phys_ctlr> phys)
{
    if (phys == physl) {
        std::cout << "Removing left joy-con from virtual combined controller\n";
        physl = nullptr;
    } else if (phys == physr) {
        std::cout << "Removing right joy-con from virtual combined controller\n";
        physr = nullptr;
    } else {
        std::cerr << "ERROR: Attempted to remove non-existant controller from combined joy-cons\n";
        exit(EXIT_FAILURE);
    }
}

void virt_ctlr_combined::add_phys_ctlr(std::shared_ptr<phys_ctlr> phys)
{
    if (phys->get_model() == phys_ctlr::Model::Left_Joycon && !physl) {
        std::cout << "Re-adding left joy-con to virtual combined controller\n";
        physl = phys;
        left_mac = phys->get_mac_addr();
    } else if (phys->get_model() == phys_ctlr::Model::Right_Joycon && !physr) {
        std::cout << "Re-adding right joy-con to virtual combined controller\n";
        physr = phys;
        right_mac = phys->get_mac_addr();
    } else {
        std::cerr << "ERROR: Attempted to add invalid controller to combined joy-cons\n";
        exit(EXIT_FAILURE);
    }

// re-add all the ff_effects to the reconnected controller
    for (auto& kv : rumble_effects) {
        struct ff_effect* effect;

if (phys == physl)
            effect = &kv.second.first;
        else
            effect = &kv.second.second;
        effect->id = -1;

if (ioctl(phys->get_fd(), EVIOCSFF, effect) == -1)
            std::cerr << "ERROR: Failed to reupload ff_ffect: " << strerror(errno) << std::endl;
    }
}

enum phys_ctlr::Model virt_ctlr_combined::needs_model()
{
    enum phys_ctlr::Model model = phys_ctlr::Model::Unknown;

if (!physl)
        model = phys_ctlr::Model::Left_Joycon;
    else if (!physr)
        model = phys_ctlr::Model::Right_Joycon;
    return model;
}

bool virt_ctlr_combined::no_ctlrs_left()
{
    return !physl && !physr;
}

bool virt_ctlr_combined::mac_belongs(const std::string& mac) const
{
    return mac != "" && (mac == left_mac || mac == right_mac);
}

bool virt_ctlr_combined::set_player_led(int index, bool on)
{
    if (index > 3)
        return false;

libevdev_uinput_write_event(uidev, EV_LED, index, on);
    return true;
}

bool virt_ctlr_combined::set_all_player_leds(bool on)
{
    for (int i = 0; i < 4; i++) {
        if (!set_player_led(i, on))
            return false;
    }
    return true;
}

bool virt_ctlr_combined::set_player_leds_to_player(int player)
{
    if (player < 1 || player > 4) {
        std::cerr << player << " is not a valid player led value\n";
        return false;
    }

for (int i = 0; i < player; i++) {
        set_player_led(i, true);
    }
    return true;
}
07070100000021000081A4000001D9000001DA00000001605F96D300000647000000000000000000000000000000000000003C00000000joycond-v0.1.0+git.43~2d3f553/src/virt_ctlr_passthrough.cpp#include "virt_ctlr_passthrough.h"

#include <iostream>
#include <string.h>
#include <sys/stat.h>
#include <vector>

//private

//public
virt_ctlr_passthrough::virt_ctlr_passthrough(std::shared_ptr<phys_ctlr> phys) :
    phys(phys)
{
    // Allow other processes to use the input now.
    if (fchmod(phys->get_fd(), S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH))
        std::cerr << "Failed to change evdev permissions; " << strerror(errno) << std::endl;
    phys->ungrab();
}

virt_ctlr_passthrough::~virt_ctlr_passthrough()
{
}

void virt_ctlr_passthrough::handle_events(int fd)
{
    phys->handle_events();
}

bool virt_ctlr_passthrough::contains_phys_ctlr(std::shared_ptr<phys_ctlr> const ctlr) const
{
    return phys == ctlr;
}

bool virt_ctlr_passthrough::contains_phys_ctlr(char const *devpath) const
{
    return phys->get_devpath() == devpath;
}

bool virt_ctlr_passthrough::contains_fd(int fd) const
{
    return phys->get_fd() == fd;
}

std::vector<std::shared_ptr<phys_ctlr>> virt_ctlr_passthrough::get_phys_ctlrs()
{
    std::vector<std::shared_ptr<phys_ctlr>> ctlrs = { phys };
    return ctlrs;
}

void virt_ctlr_passthrough::remove_phys_ctlr(const std::shared_ptr<phys_ctlr> phys)
{
    std::cerr << "ERROR: Cannot remove phys_ctlr from a passthrough controller\n";
    exit(EXIT_FAILURE);
}

void virt_ctlr_passthrough::add_phys_ctlr(std::shared_ptr<phys_ctlr> phys)
{
    std::cerr << "ERROR: Cannot add phys_ctlr to a passthrough controller\n";
    exit(EXIT_FAILURE);
}

enum phys_ctlr::Model virt_ctlr_passthrough::needs_model()
{
    return phys_ctlr::Model::Unknown;
}
07070100000022000041ED000001D9000001DA00000002605F96D300000000000000000000000000000000000000000000002600000000joycond-v0.1.0+git.43~2d3f553/systemd07070100000023000081A4000001D9000001DA00000001605F96D30000004D000000000000000000000000000000000000003300000000joycond-v0.1.0+git.43~2d3f553/systemd/joycond.conf#Load the ledtrig-timer module on boot for player LED blinking
ledtrig-timer
07070100000024000081A4000001D9000001DA00000001605F96D3000000DA000000000000000000000000000000000000003600000000joycond-v0.1.0+git.43~2d3f553/systemd/joycond.service[Unit]
Description=joycond
After=network.target

[Service]
ExecStart=/usr/bin/joycond
WorkingDirectory=/root
StandardOutput=inherit
StandardError=inherit
Restart=always
User=root

[Install]
WantedBy=multi-user.target

07070100000025000041ED000001D9000001DA00000002605F96D300000000000000000000000000000000000000000000002300000000joycond-v0.1.0+git.43~2d3f553/udev07070100000026000081A4000001D9000001DA00000001605F96D300000493000000000000000000000000000000000000003400000000joycond-v0.1.0+git.43~2d3f553/udev/72-joycond.rulesACTION!="add", GOTO="joycond_end"
SUBSYSTEM!="input", GOTO="joycond_end"
KERNEL!="event*", GOTO="joycond_end"

ATTRS{id/vendor}=="057e", ATTRS{id/product}=="2009", ATTRS{name}=="*IMU*", TAG+="uaccess" 
ATTRS{id/vendor}=="057e", ATTRS{id/product}=="2006", ATTRS{name}=="*IMU*", TAG+="uaccess" 
ATTRS{id/vendor}=="057e", ATTRS{id/product}=="2007", ATTRS{name}=="*IMU*", TAG+="uaccess" 
ATTRS{id/vendor}=="057e", ATTRS{id/product}=="200e", ATTRS{name}=="*IMU*", TAG+="uaccess"
ATTRS{id/vendor}=="057e", ATTRS{id/product}=="2017", ATTRS{name}=="*IMU*", TAG+="uaccess"

ATTRS{id/vendor}=="057e", ATTRS{id/product}=="2009", ATTRS{name}!="*Combined*", ATTRS{name}!="*IMU*", TAG-="uaccess"
ATTRS{id/vendor}=="057e", ATTRS{id/product}=="2006", ATTRS{name}!="*Combined*", ATTRS{name}!="*IMU*", TAG-="uaccess"
ATTRS{id/vendor}=="057e", ATTRS{id/product}=="2007", ATTRS{name}!="*Combined*", ATTRS{name}!="*IMU*", TAG-="uaccess"
ATTRS{id/vendor}=="057e", ATTRS{id/product}=="200e", ATTRS{name}!="*Combined*", ATTRS{name}!="*IMU*", TAG-="uaccess"
ATTRS{id/vendor}=="057e", ATTRS{id/product}=="2017", ATTRS{name}!="*Combined*", ATTRS{name}!="*IMU*", TAG-="uaccess"

LABEL="joycond_end"
07070100000027000081A4000001D9000001DA00000001605F96D30000030D000000000000000000000000000000000000003400000000joycond-v0.1.0+git.43~2d3f553/udev/89-joycond.rulesACTION!="add", GOTO="joycond_end"
SUBSYSTEM!="input", GOTO="joycond_end"
KERNEL!="event*", GOTO="joycond_end"
ATTRS{id/vendor}=="057e", ATTRS{id/product}=="2009", ATTRS{name}!="*Combined*", ATTRS{name}!="*IMU*", TAG+="joycond", MODE="0600"
ATTRS{id/vendor}=="057e", ATTRS{id/product}=="2006", ATTRS{name}!="*Combined*", ATTRS{name}!="*IMU*", TAG+="joycond", MODE="0600"
ATTRS{id/vendor}=="057e", ATTRS{id/product}=="2007", ATTRS{name}!="*Combined*", ATTRS{name}!="*IMU*", TAG+="joycond", MODE="0600"
ATTRS{id/vendor}=="057e", ATTRS{id/product}=="200e", ATTRS{name}!="*Combined*", ATTRS{name}!="*IMU*", TAG+="joycond", MODE="0600"
ATTRS{id/vendor}=="057e", ATTRS{id/product}=="2017", ATTRS{name}!="*Combined*", ATTRS{name}!="*IMU*", TAG+="joycond", MODE="0600"

LABEL="joycond_end"
07070100000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000B00000000TRAILER!!!228 blocks

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File _service:obs_scm:joycond-v0.1.0+git.43~2d3f553.obscpio of Package joycond (Revision 5eda0e8953d42620af40d2e6911395ea)

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