udev.cpp

Go to the documentation of this file.

 
//  Copyright (c) 2003-2021 Xsens Technologies B.V. or subsidiaries worldwide.
//  All rights reserved.
//  
//  Redistribution and use in source and binary forms, with or without modification,
//  are permitted provided that the following conditions are met:
//  
//  1.  Redistributions of source code must retain the above copyright notice,
//      this list of conditions, and the following disclaimer.
//  
//  2.  Redistributions in binary form must reproduce the above copyright notice,
//      this list of conditions, and the following disclaimer in the documentation
//      and/or other materials provided with the distribution.
//  
//  3.  Neither the names of the copyright holders nor the names of their contributors
//      may be used to endorse or promote products derived from this software without
//      specific prior written permission.
//  
//  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
//  EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
//  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
//  THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
//  SPECIAL, EXEMPLARY OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT 
//  OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
//  HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY OR
//  TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
//  SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.THE LAWS OF THE NETHERLANDS 
//  SHALL BE EXCLUSIVELY APPLICABLE AND ANY DISPUTES SHALL BE FINALLY SETTLED UNDER THE RULES 
//  OF ARBITRATION OF THE INTERNATIONAL CHAMBER OF COMMERCE IN THE HAGUE BY ONE OR MORE 
//  ARBITRATORS APPOINTED IN ACCORDANCE WITH SAID RULES.
//  
 
 
//  Copyright (c) 2003-2021 Xsens Technologies B.V. or subsidiaries worldwide.
//  All rights reserved.
//  
//  Redistribution and use in source and binary forms, with or without modification,
//  are permitted provided that the following conditions are met:
//  
//  1.  Redistributions of source code must retain the above copyright notice,
//      this list of conditions, and the following disclaimer.
//  
//  2.  Redistributions in binary form must reproduce the above copyright notice,
//      this list of conditions, and the following disclaimer in the documentation
//      and/or other materials provided with the distribution.
//  
//  3.  Neither the names of the copyright holders nor the names of their contributors
//      may be used to endorse or promote products derived from this software without
//      specific prior written permission.
//  
//  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
//  EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
//  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
//  THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
//  SPECIAL, EXEMPLARY OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT 
//  OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
//  HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY OR
//  TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
//  SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.THE LAWS OF THE NETHERLANDS 
//  SHALL BE EXCLUSIVELY APPLICABLE AND ANY DISPUTES SHALL BE FINALLY SETTLED UNDER THE RULES 
//  OF ARBITRATION OF THE INTERNATIONAL CHAMBER OF COMMERCE IN THE HAGUE BY ONE OR MORE 
//  ARBITRATORS APPOINTED IN ACCORDANCE WITH SAID RULES.
//  
 
#include "udev.h"
#include <xstypes/xslibraryloader.h>
 
Udev::Udev(void)
{
        m_libraryLoader = new XsLibraryLoader();
        initLibrary();
}
 
Udev::~Udev(void)
{
        delete m_libraryLoader;
}
 
void Udev::initLibrary()
{
        if (!m_libraryLoader->isLoaded())
                m_libraryLoader->load("libudev.so");
 
        memset(&m_uDev, 0, sizeof(m_uDev));
 
        if (m_libraryLoader->isLoaded())
        {
                m_uDev.unew = (uDEV_new*)m_libraryLoader->resolve("udev_new");
                m_uDev.unref = (uDEV_unref*)m_libraryLoader->resolve("udev_unref");
                m_uDev.device_unref = (uDEV_device_unref*)m_libraryLoader->resolve("udev_device_unref");
                m_uDev.enumerate_new = (uDEV_enumerate_new*)m_libraryLoader->resolve("udev_enumerate_new");
                m_uDev.enumerate_add_match_subsystem = (uDEV_enumerate_add_match_subsystem*)m_libraryLoader->resolve("udev_enumerate_add_match_subsystem");
                m_uDev.enumerate_scan_devices = (uDEV_enumerate_scan_devices*)m_libraryLoader->resolve("udev_enumerate_scan_devices");
                m_uDev.enumerate_get_list_entry = (uDEV_enumerate_get_list_entry*)m_libraryLoader->resolve("udev_enumerate_get_list_entry");
                m_uDev.enumerate_unref = (uDEV_enumerate_unref*)m_libraryLoader->resolve("udev_enumerate_unref");
                m_uDev.list_entry_get_next = (uDEV_list_entry_get_next*)m_libraryLoader->resolve("udev_list_entry_get_next");
                m_uDev.list_entry_get_name = (uDEV_list_entry_get_name*)m_libraryLoader->resolve("udev_list_entry_get_name");
                m_uDev.device_new_from_syspath = (uDEV_device_new_from_syspath*)m_libraryLoader->resolve("udev_device_new_from_syspath");
                m_uDev.device_get_parent = (uDEV_device_get_parent*)m_libraryLoader->resolve("udev_device_get_parent");
                m_uDev.device_get_devnode = (uDEV_device_get_devnode*)m_libraryLoader->resolve("udev_device_get_devnode");
                m_uDev.device_get_parent_with_subsystem_devtype = (uDEV_device_get_parent_with_subsystem_devtype*)m_libraryLoader->resolve("udev_device_get_parent_with_subsystem_devtype");
                m_uDev.device_get_sysattr_value = (uDEV_device_get_sysattr_value*)m_libraryLoader->resolve("udev_device_get_sysattr_value");
        }
}
 
udev* Udev::unew(void)
{
        if (m_uDev.unew)
                return m_uDev.unew();
        else
                return NULL;
}
 
udev* Udev::unref(struct udev* udev)
{
        if (m_uDev.unref)
                return m_uDev.unref(udev);
        else
                return NULL;
}
 
udev_device* Udev::device_unref(struct udev_device* udev_device)
{
        if (m_uDev.device_unref)
                return m_uDev.device_unref(udev_device);
        else
                return NULL;
}
 
udev_enumerate* Udev::enumerate_new(struct udev* udev)
{
        if (m_uDev.enumerate_new)
                return m_uDev.enumerate_new(udev);
        else
                return NULL;
}
 
int Udev::enumerate_add_match_subsystem(struct udev_enumerate* udev_enumerate, const char* subsystem)
{
        if (m_uDev.enumerate_add_match_subsystem)
                return m_uDev.enumerate_add_match_subsystem(udev_enumerate, subsystem);
        else
                return -1;
}
 
int Udev::enumerate_scan_devices(struct udev_enumerate* udev_enumerate)
{
        if (m_uDev.enumerate_scan_devices)
                return m_uDev.enumerate_scan_devices(udev_enumerate);
        else
                return -1;
}
 
udev_list_entry* Udev::list_entry_get_next(struct udev_list_entry* list_entry)
{
        if (m_uDev.list_entry_get_next)
                return m_uDev.list_entry_get_next(list_entry);
        else
                return NULL;
}
 
udev_list_entry* Udev::enumerate_get_list_entry(struct udev_enumerate* udev_enumerate)
{
        if (m_uDev.enumerate_get_list_entry)
                return m_uDev.enumerate_get_list_entry(udev_enumerate);
        else
                return NULL;
}
 
udev_enumerate* Udev::enumerate_unref(struct udev_enumerate* udev_enumerate)
{
        if (m_uDev.enumerate_unref)
                return m_uDev.enumerate_unref(udev_enumerate);
        else
                return NULL;
}
 
const char* Udev::list_entry_get_name(struct udev_list_entry* list_entry)
{
        if (m_uDev.list_entry_get_name)
                return m_uDev.list_entry_get_name(list_entry);
        else
                return "";
}
 
udev_device* Udev::device_new_from_syspath(struct udev* udev, const char* syspath)
{
        if (m_uDev.device_new_from_syspath)
                return m_uDev.device_new_from_syspath(udev, syspath);
        else
                return NULL;
}
 
udev_device* Udev::device_get_parent(struct udev_device* udev_device)
{
        if (m_uDev.device_get_parent)
                return m_uDev.device_get_parent(udev_device);
        else
                return NULL;
}
 
const char* Udev::device_get_devnode(struct udev_device* udev_device)
{
        if (m_uDev.device_get_devnode)
                return m_uDev.device_get_devnode(udev_device);
        else
                return "";
}
 
udev_device* Udev::device_get_parent_with_subsystem_devtype(struct udev_device* udev_device, const char* subsystem, const char* devtype)
{
        if (m_uDev.device_get_parent_with_subsystem_devtype)
                return m_uDev.device_get_parent_with_subsystem_devtype(udev_device, subsystem, devtype);
        else
                return NULL;
}
 
const char* Udev::device_get_sysattr_value(struct udev_device* udev_device, const char* sysattr)
{
        if (m_uDev.device_get_sysattr_value)
                return m_uDev.device_get_sysattr_value(udev_device, sysattr);
        else
                return "";
}