Added ability to stream specific monitor on Linux

This commit is contained in:
kiralycraft 2021-02-28 15:52:47 +02:00
parent 415dec37ad
commit 7abcfc0390
4 changed files with 463 additions and 302 deletions

View File

@ -94,6 +94,7 @@ else()
xcb
xcb-shm
xcb-xfixes
Xrandr
${X11_LIBRARIES}
evdev
pulse

View File

@ -93,6 +93,9 @@
# adapter_name = Radeon RX 580 Series
# output_name = \\.\DISPLAY1
# !! Linux only !!
# Set the display number to stream. I have no idea how they are numbered. They start from 0.
linux_monitor_id = 3
###############################################
# FFmpeg software encoding parameters
@ -102,7 +105,7 @@
# Constant Rate Factor. Between 1 and 52. It allows QP to go up during motion and down with still image, resulting in constant perceived quality
# Higher value means more compression, but less quality
# If crf == 0, then use QP directly instead
# crf = 0
crf = 18
# Quantitization Parameter
# Higher value means more compression, but less quality
@ -113,7 +116,7 @@
# Increasing the value slightly reduces encoding efficiency, but the tradeoff is usually
# worth it to gain the use of more CPU cores for encoding. The ideal value is the lowest
# value that can reliably encode at your desired streaming settings on your hardware.
# min_threads = 1
min_threads = 1
# Allows the client to request HEVC Main or HEVC Main10 video streams.
# HEVC is more CPU-intensive to encode, so enabling this may reduce performance when using software encoding.
@ -121,14 +124,14 @@
# If set to 1, Sunshine will not advertise support for HEVC
# If set to 2, Sunshine will advertise support for HEVC Main profile
# If set to 3, Sunshine will advertise support for HEVC Main and Main10 (HDR) profiles
# hevc_mode = 0
hevc_mode = 0
# Force a specific encoder, otherwise Sunshine will use the first encoder that is available
# supported encoders:
# nvenc
# software
#
# encoder = nvenc
# encoder = vaapi
##################################### Software #####################################
# See x264 --fullhelp for the different presets
# sw_preset = superfast

View File

@ -29,6 +29,8 @@ struct video_t {
std::string encoder;
std::string adapter_name;
std::string output_name;
int linux_monitor_id; //Only used on linux
};
struct audio_t {

View File

@ -14,6 +14,7 @@
#include <X11/Xlib.h>
#include <X11/Xutil.h>
#include <X11/extensions/Xfixes.h>
#include <X11/extensions/Xrandr.h>
#include <xcb/shm.h>
#include <xcb/xfixes.h>
#include <sys/ipc.h>
@ -26,11 +27,12 @@
#include "sunshine/config.h"
#include "sunshine/main.h"
namespace platf {
namespace platf
{
using namespace std::literals;
void freeImage(XImage *);
void freeX(XFixesCursorImage *);
void freeImage(XImage*);
void freeX(XFixesCursorImage*);
using ifaddr_t = util::safe_ptr<ifaddrs, freeifaddrs>;
using xcb_connect_t = util::safe_ptr<xcb_connection_t, xcb_disconnect>;
@ -41,407 +43,560 @@ using xdisplay_t = util::safe_ptr_v2<Display, int, XCloseDisplay>;
using ximg_t = util::safe_ptr<XImage, freeImage>;
using xcursor_t = util::safe_ptr<XFixesCursorImage, freeX>;
class shm_id_t {
class shm_id_t
{
public:
shm_id_t() : id { -1 } {}
shm_id_t(int id) : id {id } {}
shm_id_t(shm_id_t &&other) noexcept : id(other.id) {
other.id = -1;
}
shm_id_t() : id { -1 }
{
}
shm_id_t(int id) : id { id }
{
}
shm_id_t(shm_id_t &&other) noexcept : id(other.id)
{
other.id = -1;
}
~shm_id_t() {
if(id != -1) {
shmctl(id, IPC_RMID, nullptr);
id = -1;
}
}
int id;
~shm_id_t()
{
if (id != -1)
{
shmctl(id, IPC_RMID, nullptr);
id = -1;
}
}
int id;
};
class shm_data_t {
class shm_data_t
{
public:
shm_data_t() : data {(void*)-1 } {}
shm_data_t(void *data) : data {data } {}
shm_data_t() : data { (void*) -1 }
{
}
shm_data_t(void *data) : data { data }
{
}
shm_data_t(shm_data_t &&other) noexcept : data(other.data) {
other.data = (void*)-1;
}
shm_data_t(shm_data_t &&other) noexcept : data(other.data)
{
other.data = (void*) -1;
}
~shm_data_t() {
if((std::uintptr_t)data != -1) {
shmdt(data);
data = (void*)-1;
}
}
~shm_data_t()
{
if ((std::uintptr_t) data != -1)
{
shmdt(data);
data = (void*) -1;
}
}
void *data;
void *data;
};
struct x11_img_t : public img_t {
ximg_t img;
struct x11_img_t: public img_t
{
ximg_t img;
};
struct shm_img_t : public img_t {
~shm_img_t() override {
delete[] data;
data = nullptr;
}
struct shm_img_t: public img_t
{
~shm_img_t() override
{
delete[] data;
data = nullptr;
}
};
void blend_cursor(Display *display, img_t &img) {
xcursor_t overlay { XFixesGetCursorImage(display) };
void blend_cursor(Display *display, img_t &img, int offsetX,int offsetY)
{
xcursor_t overlay { XFixesGetCursorImage(display) };
if(!overlay) {
BOOST_LOG(error) << "Couldn't get cursor from XFixesGetCursorImage"sv;
return;
}
if (!overlay)
{
BOOST_LOG(error)
<< "Couldn't get cursor from XFixesGetCursorImage"sv;
return;
}
overlay->x -= overlay->xhot;
overlay->y -= overlay->yhot;
overlay->x -= overlay->xhot;
overlay->y -= overlay->yhot;
overlay->x = std::max((short)0, overlay->x);
overlay->y = std::max((short)0, overlay->y);
overlay->x -= offsetX;
overlay->y -= offsetY;
auto pixels = (int*)img.data;
overlay->x = std::max((short) 0, overlay->x);
overlay->y = std::max((short) 0, overlay->y);
auto screen_height = img.height;
auto screen_width = img.width;
auto pixels = (int*) img.data;
auto delta_height = std::min<uint16_t>(overlay->height, std::max(0, screen_height - overlay->y));
auto delta_width = std::min<uint16_t>(overlay->width, std::max(0, screen_width - overlay->x));
for(auto y = 0; y < delta_height; ++y) {
auto screen_height = img.height;
auto screen_width = img.width;
auto overlay_begin = &overlay->pixels[y * overlay->width];
auto overlay_end = &overlay->pixels[y * overlay->width + delta_width];
auto delta_height = std::min<uint16_t>(overlay->height,std::max(0, screen_height - overlay->y));
auto delta_width = std::min<uint16_t>(overlay->width,std::max(0, screen_width - overlay->x));
for (auto y = 0; y < delta_height; ++y)
{
auto overlay_begin = &overlay->pixels[y * overlay->width];
auto overlay_end = &overlay->pixels[y * overlay->width + delta_width];
auto pixels_begin = &pixels[(y + overlay->y) * (img.row_pitch / img.pixel_pitch) + overlay->x];
std::for_each(overlay_begin, overlay_end, [&](long pixel) {
int *pixel_p = (int*)&pixel;
auto pixels_begin = &pixels[(y + overlay->y)* (img.row_pitch / img.pixel_pitch) + overlay->x];
auto colors_in = (uint8_t*)pixels_begin;
std::for_each(overlay_begin, overlay_end,[&](long pixel)
{
int *pixel_p = (int*) &pixel;
auto alpha = (*(uint*)pixel_p) >> 24u;
if(alpha == 255) {
*pixels_begin = *pixel_p;
}
else {
auto colors_out = (uint8_t*)pixel_p;
colors_in[0] = colors_out[0] + (colors_in[0] * (255 - alpha) + 255/2) / 255;
colors_in[1] = colors_out[1] + (colors_in[1] * (255 - alpha) + 255/2) / 255;
colors_in[2] = colors_out[2] + (colors_in[2] * (255 - alpha) + 255/2) / 255;
}
++pixels_begin;
});
}
auto colors_in = (uint8_t*) pixels_begin;
auto alpha = (*(uint*) pixel_p) >> 24u;
if (alpha == 255)
{
*pixels_begin = *pixel_p;
}
else
{
auto colors_out = (uint8_t*) pixel_p;
colors_in[0] = colors_out[0] + (colors_in[0] * (255 - alpha) +255 /2) / 255;
colors_in[1] = colors_out[1] + (colors_in[1] * (255 - alpha) + 255 / 2) / 255;
colors_in[2] = colors_out[2] + (colors_in[2] * (255 - alpha) + 255 / 2) / 255;
}
++pixels_begin;
});
}
}
struct x11_attr_t : public display_t {
x11_attr_t() : xdisplay {XOpenDisplay(nullptr) }, xwindow { }, xattr {} {
if(!xdisplay) {
BOOST_LOG(fatal) << "Could not open x11 display"sv;
log_flush();
std::abort();
}
struct x11_attr_t: public display_t
{
xdisplay_t xdisplay;
Window xwindow;
XWindowAttributes xattr;
xwindow = DefaultRootWindow(xdisplay.get());
Display* displayDisplay;
refresh();
/*
* Remember last X (NOT the streamed monitor!) size. This way we can trigger reinitialization if the dimensions changed while streaming
*/
int lastWidth,lastHeight;
width = xattr.width;
height = xattr.height;
}
/*
* Offsets for when streaming a specific monitor. By default, they are 0.
*/
int displayOffsetX,displayOffsetY;
void refresh() {
XGetWindowAttributes(xdisplay.get(), xwindow, &xattr);
}
x11_attr_t() : xdisplay { displayDisplay = XOpenDisplay(nullptr) }, xwindow { }, xattr { }
{
XInitThreads();
if (!xdisplay)
{
BOOST_LOG(fatal)
<< "Could not open x11 display"sv;
log_flush();
std::abort();
}
capture_e snapshot(img_t *img_out_base, std::chrono::milliseconds timeout, bool cursor) override {
refresh();
xwindow = DefaultRootWindow(xdisplay.get());
if(width != xattr.width || height != xattr.height) {
return capture_e::reinit;
}
refresh();
XImage *img { XGetImage(
xdisplay.get(),
xwindow,
0, 0,
xattr.width, xattr.height,
AllPlanes, ZPixmap)
};
int streamedMonitor = config::video.linux_monitor_id;
auto img_out = (x11_img_t*)img_out_base;
img_out->width = img->width;
img_out->height = img->height;
img_out->data = (uint8_t*)img->data;
img_out->row_pitch = img->bytes_per_line;
img_out->pixel_pitch = img->bits_per_pixel / 8;
img_out->img.reset(img);
if (streamedMonitor != -1) //If the value has been set at all
{
BOOST_LOG(warning) << "Configuring selected monitor to stream. If it fails here, you may need Xrandr >= 1.5"sv;
XRRScreenResources *screenr = XRRGetScreenResources(displayDisplay, xwindow);
// This is the key right here. Use XRRScreenResources::noutput
int output = screenr->noutput;
if(cursor) {
blend_cursor(xdisplay.get(), *img_out_base);
}
if (streamedMonitor >= output)
{
BOOST_LOG(error)<< "Could not stream selected display number because there aren't so many."sv;
}
else
{
XRROutputInfo* out_info = XRRGetOutputInfo(displayDisplay, screenr, screenr->outputs[streamedMonitor]);
if (NULL == out_info || out_info->connection != RR_Connected)
{
BOOST_LOG(error)<< "Could not stream selected display because it doesn't seem to be connected"sv;
}
else
{
XRRCrtcInfo* crt_info = XRRGetCrtcInfo(displayDisplay, screenr, out_info->crtc);
BOOST_LOG(info)<<"Streaming display: "<<out_info->name<<" with res "<<crt_info->width<<" x "<<crt_info->height<<+" offset by "<<crt_info->x<<" x "<<crt_info->y<<"."sv;
return capture_e::ok;
}
width = crt_info -> width;
height = crt_info -> height;
displayOffsetX = crt_info -> x;
displayOffsetY = crt_info -> y;
std::shared_ptr<img_t> alloc_img() override {
return std::make_shared<x11_img_t>();
}
XRRFreeCrtcInfo(crt_info);
}
XRRFreeOutputInfo(out_info);
}
XRRFreeScreenResources(screenr);
}
else
{
width = xattr.width;
height = xattr.height;
}
int dummy_img(img_t *img) override {
snapshot(img, 0s, true);
return 0;
}
lastWidth = xattr.width;
lastHeight = xattr.height;
}
xdisplay_t xdisplay;
Window xwindow;
XWindowAttributes xattr;
/**
* Called when the display attributes should change.
*/
void refresh()
{
XGetWindowAttributes(xdisplay.get(), xwindow, &xattr); //Update xattr's
}
capture_e snapshot(img_t *img_out_base, std::chrono::milliseconds timeout, bool cursor) override
{
refresh();
capture_e toReturn;
if (xattr.width != lastWidth || xattr.height != lastHeight) //The whole X server changed, so we gotta reinit everything
{
BOOST_LOG(warning)<< "X dimensions changed in non-SHM mode, request reinit"sv;
toReturn = capture_e::reinit;
}
else
{
XImage *img { XGetImage(xdisplay.get(), xwindow, displayOffsetX, displayOffsetY, width,height, AllPlanes, ZPixmap) };
auto img_out = (x11_img_t*) img_out_base;
img_out->width = img->width;
img_out->height = img->height;
img_out->data = (uint8_t*) img->data;
img_out->row_pitch = img->bytes_per_line;
img_out->pixel_pitch = img->bits_per_pixel / 8;
img_out->img.reset(img);
if (cursor)
{
blend_cursor(xdisplay.get(), *img_out_base,displayOffsetX,displayOffsetY);
}
toReturn = capture_e::ok;
}
return toReturn;
}
std::shared_ptr<img_t> alloc_img() override
{
return std::make_shared<x11_img_t>();
}
int dummy_img(img_t *img) override
{
snapshot(img, 0s, true);
return 0;
}
};
struct shm_attr_t : public x11_attr_t {
xdisplay_t shm_xdisplay; // Prevent race condition with x11_attr_t::xdisplay
xcb_connect_t xcb;
xcb_screen_t *display;
std::uint32_t seg;
struct shm_attr_t: public x11_attr_t
{
xdisplay_t shm_xdisplay; // Prevent race condition with x11_attr_t::xdisplay
xcb_connect_t xcb;
xcb_screen_t *display;
std::uint32_t seg;
shm_id_t shm_id;
shm_id_t shm_id;
shm_data_t data;
shm_data_t data;
util::TaskPool::task_id_t refresh_task_id;
void delayed_refresh() {
refresh();
util::TaskPool::task_id_t refresh_task_id;
void delayed_refresh()
{
refresh();
refresh_task_id = task_pool.pushDelayed(&shm_attr_t::delayed_refresh, 2s, this).task_id;
}
refresh_task_id = task_pool.pushDelayed(&shm_attr_t::delayed_refresh,2s, this).task_id;
}
shm_attr_t() : x11_attr_t(), shm_xdisplay {XOpenDisplay(nullptr) } {
refresh_task_id = task_pool.pushDelayed(&shm_attr_t::delayed_refresh, 2s, this).task_id;
}
shm_attr_t() : x11_attr_t(), shm_xdisplay { XOpenDisplay(nullptr) }
{
refresh_task_id = task_pool.pushDelayed(&shm_attr_t::delayed_refresh,2s, this).task_id;
}
~shm_attr_t() override {
while(!task_pool.cancel(refresh_task_id));
}
~shm_attr_t() override
{
while (!task_pool.cancel(refresh_task_id));
}
capture_e snapshot(img_t *img, std::chrono::milliseconds timeout, bool cursor) override {
if(width != xattr.width || height != xattr.height) {
return capture_e::reinit;
}
capture_e snapshot(img_t *img, std::chrono::milliseconds timeout, bool cursor) override
{
capture_e toReturn;
if (xattr.width != lastWidth || xattr.height != lastHeight) //The whole X server changed, so we gotta reinit everything
{
BOOST_LOG(warning)<< "X dimensions changed in SHM mode, request reinit"sv;
toReturn = capture_e::reinit;
}
else
{
auto img_cookie = xcb_shm_get_image_unchecked(xcb.get(), display->root,displayOffsetX, displayOffsetY, width, height, ~0, XCB_IMAGE_FORMAT_Z_PIXMAP, seg, 0);
auto img_cookie = xcb_shm_get_image_unchecked(
xcb.get(),
display->root,
0, 0,
width, height,
~0,
XCB_IMAGE_FORMAT_Z_PIXMAP,
seg,
0
);
xcb_img_t img_reply { xcb_shm_get_image_reply(xcb.get(), img_cookie,nullptr) };
if (!img_reply)
{
BOOST_LOG(error)
<< "Could not get image reply"sv;
return capture_e::reinit;
}
xcb_img_t img_reply { xcb_shm_get_image_reply(xcb.get(), img_cookie, nullptr) };
if(!img_reply) {
BOOST_LOG(error) << "Could not get image reply"sv;
return capture_e::reinit;
}
std::copy_n((std::uint8_t*) data.data, frame_size(), img->data);
std::copy_n((std::uint8_t*)data.data, frame_size(), img->data);
if (cursor)
{
blend_cursor(shm_xdisplay.get(), *img,displayOffsetX,displayOffsetY);
}
if(cursor) {
blend_cursor(shm_xdisplay.get(), *img);
}
toReturn = capture_e::ok;
}
return toReturn;
}
return capture_e::ok;
}
std::shared_ptr<img_t> alloc_img() override
{
auto img = std::make_shared<shm_img_t>();
img->width = width;
img->height = height;
img->pixel_pitch = 4;
img->row_pitch = img->pixel_pitch * width;
img->data = new std::uint8_t[height * img->row_pitch];
std::shared_ptr<img_t> alloc_img() override {
auto img = std::make_shared<shm_img_t>();
img->width = width;
img->height = height;
img->pixel_pitch = 4;
img->row_pitch = img->pixel_pitch * width;
img->data = new std::uint8_t[height * img->row_pitch];
return img;
}
return img;
}
int dummy_img(platf::img_t *img) override
{
return 0;
}
int dummy_img(platf::img_t *img) override {
return 0;
}
int init()
{
shm_xdisplay.reset(XOpenDisplay(nullptr));
xcb.reset(xcb_connect(nullptr, nullptr));
if (xcb_connection_has_error(xcb.get()))
{
return -1;
}
int init() {
shm_xdisplay.reset(XOpenDisplay(nullptr));
xcb.reset(xcb_connect(nullptr, nullptr));
if(xcb_connection_has_error(xcb.get())) {
return -1;
}
if (!xcb_get_extension_data(xcb.get(), &xcb_shm_id)->present)
{
BOOST_LOG(error)
<< "Missing SHM extension"sv;
if(!xcb_get_extension_data(xcb.get(), &xcb_shm_id)->present) {
BOOST_LOG(error) << "Missing SHM extension"sv;
return -1;
}
return -1;
}
auto iter = xcb_setup_roots_iterator(xcb_get_setup(xcb.get()));
display = iter.data;
seg = xcb_generate_id(xcb.get());
auto iter = xcb_setup_roots_iterator(xcb_get_setup(xcb.get()));
display = iter.data;
seg = xcb_generate_id(xcb.get());
shm_id.id = shmget(IPC_PRIVATE, frame_size(), IPC_CREAT | 0777);
if (shm_id.id == -1)
{
BOOST_LOG(error)
<< "shmget failed"sv;
return -1;
}
shm_id.id = shmget(IPC_PRIVATE, frame_size(), IPC_CREAT | 0777);
if(shm_id.id == -1) {
BOOST_LOG(error) << "shmget failed"sv;
return -1;
}
xcb_shm_attach(xcb.get(), seg, shm_id.id, false);
data.data = shmat(shm_id.id, nullptr, 0);
xcb_shm_attach(xcb.get(), seg, shm_id.id, false);
data.data = shmat(shm_id.id, nullptr, 0);
if ((uintptr_t) data.data == -1)
{
BOOST_LOG(error)
<< "shmat failed"sv;
if ((uintptr_t)data.data == -1) {
BOOST_LOG(error) << "shmat failed"sv;
return -1;
}
return -1;
}
/*
* Commented out resetting of the sizes when intializing X in SHM mode. It might be wrong. Expect issues. This is the default mode, so poisoning those variables is not desired
*/
// width = display->width_in_pixels;
// height = display->height_in_pixels;
width = display->width_in_pixels;
height = display->height_in_pixels;
return 0;
}
return 0;
}
std::uint32_t frame_size() {
return width * height * 4;
}
std::uint32_t frame_size()
{
return width * height * 4;
}
};
struct mic_attr_t : public mic_t {
pa_sample_spec ss;
util::safe_ptr<pa_simple, pa_simple_free> mic;
struct mic_attr_t: public mic_t
{
pa_sample_spec ss;
util::safe_ptr<pa_simple, pa_simple_free> mic;
explicit mic_attr_t(pa_sample_format format, std::uint32_t sample_rate, std::uint8_t channels) : ss { format, sample_rate, channels }, mic {} {}
capture_e sample(std::vector<std::int16_t> &sample_buf) override {
auto sample_size = sample_buf.size();
explicit mic_attr_t(pa_sample_format format, std::uint32_t sample_rate,
std::uint8_t channels) : ss { format, sample_rate, channels }, mic { }
{
}
capture_e sample(std::vector<std::int16_t> &sample_buf) override
{
auto sample_size = sample_buf.size();
auto buf = sample_buf.data();
int status;
if(pa_simple_read(mic.get(), buf, sample_size * 2, &status)) {
BOOST_LOG(error) << "pa_simple_read() failed: "sv << pa_strerror(status);
auto buf = sample_buf.data();
int status;
if (pa_simple_read(mic.get(), buf, sample_size * 2, &status))
{
BOOST_LOG(error)
<< "pa_simple_read() failed: "sv << pa_strerror(status);
return capture_e::error;
}
return capture_e::error;
}
return capture_e::ok;
}
return capture_e::ok;
}
};
std::shared_ptr<display_t> shm_display() {
auto shm = std::make_shared<shm_attr_t>();
std::shared_ptr<display_t> shm_display()
{
auto shm = std::make_shared<shm_attr_t>();
if(shm->init()) {
return nullptr;
}
if (shm->init())
{
return nullptr;
}
return shm;
return shm;
}
std::shared_ptr<display_t> display(platf::dev_type_e hwdevice_type) {
if(hwdevice_type != platf::dev_type_e::none) {
return nullptr;
}
std::shared_ptr<display_t> display(platf::dev_type_e hwdevice_type)
{
if (hwdevice_type != platf::dev_type_e::none)
{
BOOST_LOG(error)<< "Could not initialize display with the given hw device type."sv;
return nullptr;
}
auto shm_disp = shm_display();
auto shm_disp = shm_display(); //Attempt to use shared memory X11 to avoid copying the frame
if(!shm_disp) {
return std::make_shared<x11_attr_t>();
}
if (!shm_disp)
{
return std::make_shared<x11_attr_t>(); //Fallback to standard way if else
}
return shm_disp;
return shm_disp;
}
std::unique_ptr<mic_t> microphone(std::uint32_t sample_rate) {
auto mic = std::make_unique<mic_attr_t>(PA_SAMPLE_S16LE, sample_rate, 2);
std::unique_ptr<mic_t> microphone(std::uint32_t sample_rate)
{
auto mic = std::make_unique<mic_attr_t>(PA_SAMPLE_S16LE, sample_rate, 2);
int status;
int status;
const char *audio_sink = "@DEFAULT_MONITOR@";
if(!config::audio.sink.empty()) {
audio_sink = config::audio.sink.c_str();
}
const char *audio_sink = "@DEFAULT_MONITOR@";
if (!config::audio.sink.empty())
{
audio_sink = config::audio.sink.c_str();
}
mic->mic.reset(
pa_simple_new(nullptr, "sunshine", pa_stream_direction_t::PA_STREAM_RECORD, audio_sink, "sunshine-record", &mic->ss, nullptr, nullptr, &status)
);
mic->mic.reset(
pa_simple_new(nullptr, "sunshine",
pa_stream_direction_t::PA_STREAM_RECORD, audio_sink,
"sunshine-record", &mic->ss, nullptr, nullptr, &status));
if(!mic->mic) {
auto err_str = pa_strerror(status);
BOOST_LOG(error) << "pa_simple_new() failed: "sv << err_str;
if (!mic->mic)
{
auto err_str = pa_strerror(status);
BOOST_LOG(error)
<< "pa_simple_new() failed: "sv << err_str;
log_flush();
std::abort();
}
log_flush();
std::abort();
}
return mic;
return mic;
}
ifaddr_t get_ifaddrs() {
ifaddrs *p { nullptr };
ifaddr_t get_ifaddrs()
{
ifaddrs *p { nullptr };
getifaddrs(&p);
getifaddrs(&p);
return ifaddr_t { p };
return ifaddr_t { p };
}
std::string from_sockaddr(const sockaddr *const ip_addr) {
char data[INET6_ADDRSTRLEN];
std::string from_sockaddr(const sockaddr *const ip_addr)
{
char data[INET6_ADDRSTRLEN];
auto family = ip_addr->sa_family;
if(family == AF_INET6) {
inet_ntop(AF_INET6, &((sockaddr_in6*)ip_addr)->sin6_addr, data, INET6_ADDRSTRLEN);
}
auto family = ip_addr->sa_family;
if (family == AF_INET6)
{
inet_ntop(AF_INET6, &((sockaddr_in6*) ip_addr)->sin6_addr, data,
INET6_ADDRSTRLEN);
}
if(family == AF_INET) {
inet_ntop(AF_INET, &((sockaddr_in*)ip_addr)->sin_addr, data, INET_ADDRSTRLEN);
}
if (family == AF_INET)
{
inet_ntop(AF_INET, &((sockaddr_in*) ip_addr)->sin_addr, data,
INET_ADDRSTRLEN);
}
return std::string { data };
return std::string { data };
}
std::pair<std::uint16_t, std::string> from_sockaddr_ex(const sockaddr *const ip_addr) {
char data[INET6_ADDRSTRLEN];
std::pair<std::uint16_t, std::string> from_sockaddr_ex(
const sockaddr *const ip_addr)
{
char data[INET6_ADDRSTRLEN];
auto family = ip_addr->sa_family;
std::uint16_t port;
if(family == AF_INET6) {
inet_ntop(AF_INET6, &((sockaddr_in6*)ip_addr)->sin6_addr, data, INET6_ADDRSTRLEN);
port = ((sockaddr_in6*)ip_addr)->sin6_port;
}
auto family = ip_addr->sa_family;
std::uint16_t port;
if (family == AF_INET6)
{
inet_ntop(AF_INET6, &((sockaddr_in6*) ip_addr)->sin6_addr, data,
INET6_ADDRSTRLEN);
port = ((sockaddr_in6*) ip_addr)->sin6_port;
}
if(family == AF_INET) {
inet_ntop(AF_INET, &((sockaddr_in*)ip_addr)->sin_addr, data, INET_ADDRSTRLEN);
port = ((sockaddr_in*)ip_addr)->sin_port;
}
if (family == AF_INET)
{
inet_ntop(AF_INET, &((sockaddr_in*) ip_addr)->sin_addr, data,
INET_ADDRSTRLEN);
port = ((sockaddr_in*) ip_addr)->sin_port;
}
return { port, std::string { data } };
return
{ port, std::string
{ data}};
}
std::string get_mac_address(const std::string_view &address) {
auto ifaddrs = get_ifaddrs();
for(auto pos = ifaddrs.get(); pos != nullptr; pos = pos->ifa_next) {
if(pos->ifa_addr && address == from_sockaddr(pos->ifa_addr)) {
std::ifstream mac_file("/sys/class/net/"s + pos->ifa_name + "/address");
if(mac_file.good()) {
std::string mac_address;
std::getline(mac_file, mac_address);
return mac_address;
}
}
}
BOOST_LOG(warning) << "Unable to find MAC address for "sv << address;
return "00:00:00:00:00:00"s;
std::string get_mac_address(const std::string_view &address)
{
auto ifaddrs = get_ifaddrs();
for (auto pos = ifaddrs.get(); pos != nullptr; pos = pos->ifa_next)
{
if (pos->ifa_addr && address == from_sockaddr(pos->ifa_addr))
{
std::ifstream mac_file(
"/sys/class/net/"s + pos->ifa_name + "/address");
if (mac_file.good())
{
std::string mac_address;
std::getline(mac_file, mac_address);
return mac_address;
}
}
}
BOOST_LOG(warning)
<< "Unable to find MAC address for "sv << address;
return "00:00:00:00:00:00"s;
}
void freeImage(XImage *p) {
XDestroyImage(p);
void freeImage(XImage *p)
{
XDestroyImage(p);
}
void freeX(XFixesCursorImage *p) {
XFree(p);
void freeX(XFixesCursorImage *p)
{
XFree(p);
}
}