hyprland/src/helpers/MiscFunctions.cpp

878 lines
32 KiB
C++

#include "MiscFunctions.hpp"
#include "../defines.hpp"
#include <algorithm>
#include "../Compositor.hpp"
#include "../managers/TokenManager.hpp"
#include "Monitor.hpp"
#include "../config/ConfigManager.hpp"
#include "fs/FsUtils.hpp"
#include <optional>
#include <cstring>
#include <cmath>
#include <filesystem>
#include <set>
#include <sys/utsname.h>
#include <sys/mman.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <iomanip>
#include <sstream>
#ifdef HAS_EXECINFO
#include <execinfo.h>
#endif
#include <hyprutils/string/String.hpp>
#include <hyprutils/os/Process.hpp>
using namespace Hyprutils::String;
using namespace Hyprutils::OS;
#if defined(__DragonFly__) || defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__)
#include <sys/sysctl.h>
#if defined(__DragonFly__)
#include <sys/kinfo.h> // struct kinfo_proc
#elif defined(__FreeBSD__)
#include <sys/user.h> // struct kinfo_proc
#endif
#if defined(__NetBSD__)
#undef KERN_PROC
#define KERN_PROC KERN_PROC2
#define KINFO_PROC struct kinfo_proc2
#else
#define KINFO_PROC struct kinfo_proc
#endif
#if defined(__DragonFly__)
#define KP_PPID(kp) kp.kp_ppid
#elif defined(__FreeBSD__)
#define KP_PPID(kp) kp.ki_ppid
#else
#define KP_PPID(kp) kp.p_ppid
#endif
#endif
std::string absolutePath(const std::string& rawpath, const std::string& currentPath) {
auto value = rawpath;
if (value[0] == '~') {
static const char* const ENVHOME = getenv("HOME");
value.replace(0, 1, std::string(ENVHOME));
} else if (value[0] != '/') {
auto currentDir = currentPath.substr(0, currentPath.find_last_of('/'));
if (value[0] == '.') {
if (value[1] == '.' && value[2] == '/') {
auto parentDir = currentDir.substr(0, currentDir.find_last_of('/'));
value.replace(0, 2 + currentPath.empty(), parentDir);
} else if (value[1] == '/')
value.replace(0, 1 + currentPath.empty(), currentDir);
else
value = currentDir + '/' + value;
} else
value = currentDir + '/' + value;
}
return value;
}
std::string escapeJSONStrings(const std::string& str) {
std::ostringstream oss;
for (auto const& c : str) {
switch (c) {
case '"': oss << "\\\""; break;
case '\\': oss << "\\\\"; break;
case '\b': oss << "\\b"; break;
case '\f': oss << "\\f"; break;
case '\n': oss << "\\n"; break;
case '\r': oss << "\\r"; break;
case '\t': oss << "\\t"; break;
default:
if ('\x00' <= c && c <= '\x1f') {
oss << "\\u" << std::hex << std::setw(4) << std::setfill('0') << static_cast<int>(c);
} else {
oss << c;
}
}
}
return oss.str();
}
std::optional<float> getPlusMinusKeywordResult(std::string source, float relative) {
try {
return relative + stof(source);
} catch (...) {
Debug::log(ERR, "Invalid arg \"{}\" in getPlusMinusKeywordResult!", source);
return {};
}
}
bool isDirection(const std::string& arg) {
return arg == "l" || arg == "r" || arg == "u" || arg == "d" || arg == "t" || arg == "b";
}
bool isDirection(const char& arg) {
return arg == 'l' || arg == 'r' || arg == 'u' || arg == 'd' || arg == 't' || arg == 'b';
}
SWorkspaceIDName getWorkspaceIDNameFromString(const std::string& in) {
SWorkspaceIDName result = {WORKSPACE_INVALID, ""};
if (in.starts_with("special")) {
result.name = "special:special";
if (in.length() > 8) {
const auto NAME = in.substr(8);
const auto WS = g_pCompositor->getWorkspaceByName("special:" + NAME);
return {WS ? WS->m_id : g_pCompositor->getNewSpecialID(), "special:" + NAME};
}
result.id = SPECIAL_WORKSPACE_START;
return result;
} else if (in.starts_with("name:")) {
const auto WORKSPACENAME = in.substr(in.find_first_of(':') + 1);
const auto WORKSPACE = g_pCompositor->getWorkspaceByName(WORKSPACENAME);
if (!WORKSPACE) {
result.id = g_pCompositor->getNextAvailableNamedWorkspace();
} else {
result.id = WORKSPACE->m_id;
}
result.name = WORKSPACENAME;
} else if (in.starts_with("empty")) {
const bool same_mon = in.substr(5).contains("m");
const bool next = in.substr(5).contains("n");
if ((same_mon || next) && !g_pCompositor->m_lastMonitor) {
Debug::log(ERR, "Empty monitor workspace on monitor null!");
return {WORKSPACE_INVALID};
}
std::set<WORKSPACEID> invalidWSes;
if (same_mon) {
for (auto const& rule : g_pConfigManager->getAllWorkspaceRules()) {
const auto PMONITOR = g_pCompositor->getMonitorFromName(rule.monitor);
if (PMONITOR && (PMONITOR->ID != g_pCompositor->m_lastMonitor->ID))
invalidWSes.insert(rule.workspaceId);
}
}
WORKSPACEID id = next ? g_pCompositor->m_lastMonitor->activeWorkspaceID() : 0;
while (++id < LONG_MAX) {
const auto PWORKSPACE = g_pCompositor->getWorkspaceByID(id);
if (!invalidWSes.contains(id) && (!PWORKSPACE || PWORKSPACE->getWindows() == 0)) {
result.id = id;
return result;
}
}
} else if (in.starts_with("prev")) {
if (!g_pCompositor->m_lastMonitor)
return {WORKSPACE_INVALID};
const auto PWORKSPACE = g_pCompositor->m_lastMonitor->activeWorkspace;
if (!valid(PWORKSPACE))
return {WORKSPACE_INVALID};
const auto PREVWORKSPACEIDNAME = PWORKSPACE->getPrevWorkspaceIDName();
if (PREVWORKSPACEIDNAME.id == -1)
return {WORKSPACE_INVALID};
const auto PLASTWORKSPACE = g_pCompositor->getWorkspaceByID(PREVWORKSPACEIDNAME.id);
if (!PLASTWORKSPACE) {
Debug::log(LOG, "previous workspace {} doesn't exist yet", PREVWORKSPACEIDNAME.id);
return {PREVWORKSPACEIDNAME.id, PREVWORKSPACEIDNAME.name};
}
return {PLASTWORKSPACE->m_id, PLASTWORKSPACE->m_name};
} else if (in == "next") {
if (!g_pCompositor->m_lastMonitor || !g_pCompositor->m_lastMonitor->activeWorkspace) {
Debug::log(ERR, "no active monitor or workspace for 'next'");
return {WORKSPACE_INVALID};
}
auto PCURRENTWORKSPACE = g_pCompositor->m_lastMonitor->activeWorkspace;
WORKSPACEID nextId = PCURRENTWORKSPACE->m_id + 1;
if (nextId <= 0)
return {WORKSPACE_INVALID};
result.id = nextId;
result.name = std::to_string(nextId);
return result;
} else {
if (in[0] == 'r' && (in[1] == '-' || in[1] == '+' || in[1] == '~') && isNumber(in.substr(2))) {
bool absolute = in[1] == '~';
if (!g_pCompositor->m_lastMonitor) {
Debug::log(ERR, "Relative monitor workspace on monitor null!");
return {WORKSPACE_INVALID};
}
const auto PLUSMINUSRESULT = getPlusMinusKeywordResult(in.substr(absolute ? 2 : 1), 0);
if (!PLUSMINUSRESULT.has_value())
return {WORKSPACE_INVALID};
result.id = (int)PLUSMINUSRESULT.value();
WORKSPACEID remains = result.id;
std::set<WORKSPACEID> invalidWSes;
// Collect all the workspaces we can't jump to.
for (auto const& ws : g_pCompositor->m_workspaces) {
if (ws->m_isSpecialWorkspace || (ws->m_monitor != g_pCompositor->m_lastMonitor)) {
// Can't jump to this workspace
invalidWSes.insert(ws->m_id);
}
}
for (auto const& rule : g_pConfigManager->getAllWorkspaceRules()) {
const auto PMONITOR = g_pCompositor->getMonitorFromName(rule.monitor);
if (!PMONITOR || PMONITOR->ID == g_pCompositor->m_lastMonitor->ID) {
// Can't be invalid
continue;
}
// WS is bound to another monitor, can't jump to this
invalidWSes.insert(rule.workspaceId);
}
// Prepare all named workspaces in case when we need them
std::vector<WORKSPACEID> namedWSes;
for (auto const& ws : g_pCompositor->m_workspaces) {
if (ws->m_isSpecialWorkspace || (ws->m_monitor != g_pCompositor->m_lastMonitor) || ws->m_id >= 0)
continue;
namedWSes.push_back(ws->m_id);
}
std::sort(namedWSes.begin(), namedWSes.end());
if (absolute) {
// 1-index
remains -= 1;
// traverse valid workspaces until we reach the remains
if ((size_t)remains < namedWSes.size()) {
result.id = namedWSes[remains];
} else {
remains -= namedWSes.size();
result.id = 0;
while (remains >= 0) {
result.id++;
if (!invalidWSes.contains(result.id)) {
remains--;
}
}
}
} else {
// Just take a blind guess at where we'll probably end up
WORKSPACEID activeWSID = g_pCompositor->m_lastMonitor->activeWorkspace ? g_pCompositor->m_lastMonitor->activeWorkspace->m_id : 1;
WORKSPACEID predictedWSID = activeWSID + remains;
int remainingWSes = 0;
char walkDir = in[1];
// sanitize. 0 means invalid oob in -
predictedWSID = std::max(predictedWSID, static_cast<int64_t>(0));
// Count how many invalidWSes are in between (how bad the prediction was)
WORKSPACEID beginID = in[1] == '+' ? activeWSID + 1 : predictedWSID;
WORKSPACEID endID = in[1] == '+' ? predictedWSID : activeWSID;
auto begin = invalidWSes.upper_bound(beginID - 1); // upper_bound is >, we want >=
for (auto it = begin; it != invalidWSes.end() && *it <= endID; it++) {
remainingWSes++;
}
// Handle named workspaces. They are treated like always before other workspaces
if (activeWSID < 0) {
// Behaviour similar to 'm'
// Find current
size_t currentItem = -1;
for (size_t i = 0; i < namedWSes.size(); i++) {
if (namedWSes[i] == activeWSID) {
currentItem = i;
break;
}
}
currentItem += remains;
currentItem = std::max(currentItem, static_cast<size_t>(0));
if (currentItem >= namedWSes.size()) {
// At the seam between namedWSes and normal WSes. Behave like r+[diff] at imaginary ws 0
size_t diff = currentItem - (namedWSes.size() - 1);
predictedWSID = diff;
WORKSPACEID beginID = 1;
WORKSPACEID endID = predictedWSID;
auto begin = invalidWSes.upper_bound(beginID - 1); // upper_bound is >, we want >=
for (auto it = begin; it != invalidWSes.end() && *it <= endID; it++) {
remainingWSes++;
}
walkDir = '+';
} else {
// We found our final ws.
remainingWSes = 0;
predictedWSID = namedWSes[currentItem];
}
}
// Go in the search direction for remainingWSes
// The performance impact is directly proportional to the number of open and bound workspaces
WORKSPACEID finalWSID = predictedWSID;
if (walkDir == '-') {
WORKSPACEID beginID = finalWSID;
WORKSPACEID curID = finalWSID;
while (--curID > 0 && remainingWSes > 0) {
if (!invalidWSes.contains(curID)) {
remainingWSes--;
}
finalWSID = curID;
}
if (finalWSID <= 0 || invalidWSes.contains(finalWSID)) {
if (namedWSes.size()) {
// Go to the named workspaces
// Need remainingWSes more
auto namedWSIdx = namedWSes.size() - remainingWSes;
// Sanitze
namedWSIdx = std::clamp(namedWSIdx, static_cast<size_t>(0), namedWSes.size() - static_cast<size_t>(1));
finalWSID = namedWSes[namedWSIdx];
} else {
// Couldn't find valid workspace in negative direction, search last first one back up positive direction
walkDir = '+';
// We know, that everything less than beginID is invalid, so don't bother with that
finalWSID = beginID;
remainingWSes = 1;
}
}
}
if (walkDir == '+') {
WORKSPACEID curID = finalWSID;
while (++curID < INT32_MAX && remainingWSes > 0) {
if (!invalidWSes.contains(curID)) {
remainingWSes--;
}
finalWSID = curID;
}
}
result.id = finalWSID;
}
const auto PWORKSPACE = g_pCompositor->getWorkspaceByID(result.id);
if (PWORKSPACE)
result.name = g_pCompositor->getWorkspaceByID(result.id)->m_name;
else
result.name = std::to_string(result.id);
} else if ((in[0] == 'm' || in[0] == 'e') && (in[1] == '-' || in[1] == '+' || in[1] == '~') && isNumber(in.substr(2))) {
bool onAllMonitors = in[0] == 'e';
bool absolute = in[1] == '~';
if (!g_pCompositor->m_lastMonitor) {
Debug::log(ERR, "Relative monitor workspace on monitor null!");
return {WORKSPACE_INVALID};
}
// monitor relative
const auto PLUSMINUSRESULT = getPlusMinusKeywordResult(in.substr(absolute ? 2 : 1), 0);
if (!PLUSMINUSRESULT.has_value())
return {WORKSPACE_INVALID};
result.id = (int)PLUSMINUSRESULT.value();
// result now has +/- what we should move on mon
int remains = (int)result.id;
std::vector<WORKSPACEID> validWSes;
for (auto const& ws : g_pCompositor->m_workspaces) {
if (ws->m_isSpecialWorkspace || (ws->m_monitor != g_pCompositor->m_lastMonitor && !onAllMonitors))
continue;
validWSes.push_back(ws->m_id);
}
std::sort(validWSes.begin(), validWSes.end());
ssize_t currentItem = -1;
if (absolute) {
// 1-index
currentItem = remains - 1;
// clamp
if (currentItem < 0) {
currentItem = 0;
} else if (currentItem >= (ssize_t)validWSes.size()) {
currentItem = validWSes.size() - 1;
}
} else {
// get the offset
remains = remains < 0 ? -((-remains) % validWSes.size()) : remains % validWSes.size();
// get the current item
WORKSPACEID activeWSID = g_pCompositor->m_lastMonitor->activeWorkspace ? g_pCompositor->m_lastMonitor->activeWorkspace->m_id : 1;
for (ssize_t i = 0; i < (ssize_t)validWSes.size(); i++) {
if (validWSes[i] == activeWSID) {
currentItem = i;
break;
}
}
// apply
currentItem += remains;
// sanitize
if (currentItem >= (ssize_t)validWSes.size()) {
currentItem = currentItem % validWSes.size();
} else if (currentItem < 0) {
currentItem = validWSes.size() + currentItem;
}
}
result.id = validWSes[currentItem];
result.name = g_pCompositor->getWorkspaceByID(validWSes[currentItem])->m_name;
} else {
if (in[0] == '+' || in[0] == '-') {
if (g_pCompositor->m_lastMonitor) {
const auto PLUSMINUSRESULT = getPlusMinusKeywordResult(in, g_pCompositor->m_lastMonitor->activeWorkspaceID());
if (!PLUSMINUSRESULT.has_value())
return {WORKSPACE_INVALID};
result.id = std::max((int)PLUSMINUSRESULT.value(), 1);
} else {
Debug::log(ERR, "Relative workspace on no mon!");
return {WORKSPACE_INVALID};
}
} else if (isNumber(in))
result.id = std::max(std::stoi(in), 1);
else {
// maybe name
const auto PWORKSPACE = g_pCompositor->getWorkspaceByName(in);
if (PWORKSPACE)
result.id = PWORKSPACE->m_id;
}
result.name = std::to_string(result.id);
}
}
return result;
}
std::optional<std::string> cleanCmdForWorkspace(const std::string& inWorkspaceName, std::string dirtyCmd) {
std::string cmd = trim(dirtyCmd);
if (!cmd.empty()) {
std::string rules;
const std::string workspaceRule = "workspace " + inWorkspaceName;
if (cmd[0] == '[') {
const auto closingBracketIdx = cmd.find_last_of(']');
auto tmpRules = cmd.substr(1, closingBracketIdx - 1);
cmd = cmd.substr(closingBracketIdx + 1);
auto rulesList = CVarList(tmpRules, 0, ';');
bool hadWorkspaceRule = false;
rulesList.map([&](std::string& rule) {
if (rule.find("workspace") == 0) {
rule = workspaceRule;
hadWorkspaceRule = true;
}
});
if (!hadWorkspaceRule)
rulesList.append(workspaceRule);
rules = "[" + rulesList.join(";") + "]";
} else {
rules = "[" + workspaceRule + "]";
}
return std::optional<std::string>(rules + " " + cmd);
}
return std::nullopt;
}
float vecToRectDistanceSquared(const Vector2D& vec, const Vector2D& p1, const Vector2D& p2) {
const float DX = std::max({0.0, p1.x - vec.x, vec.x - p2.x});
const float DY = std::max({0.0, p1.y - vec.y, vec.y - p2.y});
return DX * DX + DY * DY;
}
// Execute a shell command and get the output
std::string execAndGet(const char* cmd) {
CProcess proc("/bin/sh", {"-c", cmd});
if (!proc.runSync())
return "error";
return proc.stdOut();
}
void logSystemInfo() {
struct utsname unameInfo;
uname(&unameInfo);
Debug::log(LOG, "System name: {}", std::string{unameInfo.sysname});
Debug::log(LOG, "Node name: {}", std::string{unameInfo.nodename});
Debug::log(LOG, "Release: {}", std::string{unameInfo.release});
Debug::log(LOG, "Version: {}", std::string{unameInfo.version});
Debug::log(NONE, "\n");
#if defined(__DragonFly__) || defined(__FreeBSD__)
const std::string GPUINFO = execAndGet("pciconf -lv | grep -F -A4 vga");
#elif defined(__arm__) || defined(__aarch64__)
std::string GPUINFO;
const std::filesystem::path dev_tree = "/proc/device-tree";
try {
if (std::filesystem::exists(dev_tree) && std::filesystem::is_directory(dev_tree)) {
std::for_each(std::filesystem::directory_iterator(dev_tree), std::filesystem::directory_iterator{}, [&](const std::filesystem::directory_entry& entry) {
if (std::filesystem::is_directory(entry) && entry.path().filename().string().starts_with("soc")) {
std::for_each(std::filesystem::directory_iterator(entry.path()), std::filesystem::directory_iterator{}, [&](const std::filesystem::directory_entry& sub_entry) {
if (std::filesystem::is_directory(sub_entry) && sub_entry.path().filename().string().starts_with("gpu")) {
std::filesystem::path file_path = sub_entry.path() / "compatible";
std::ifstream file(file_path);
if (file)
GPUINFO.append(std::istreambuf_iterator<char>(file), std::istreambuf_iterator<char>());
}
});
}
});
}
} catch (...) { GPUINFO = "error"; }
#else
const std::string GPUINFO = execAndGet("lspci -vnn | grep -E '(VGA|Display|3D)'");
#endif
Debug::log(LOG, "GPU information:\n{}\n", GPUINFO);
if (GPUINFO.contains("NVIDIA")) {
Debug::log(WARN, "Warning: you're using an NVIDIA GPU. Make sure you follow the instructions on the wiki if anything is amiss.\n");
}
// log etc
Debug::log(LOG, "os-release:");
Debug::log(NONE, "{}", NFsUtils::readFileAsString("/etc/os-release").value_or("error"));
}
int64_t getPPIDof(int64_t pid) {
#if defined(KERN_PROC_PID)
int mib[] = {
CTL_KERN, KERN_PROC, KERN_PROC_PID, (int)pid,
#if defined(__NetBSD__) || defined(__OpenBSD__)
sizeof(KINFO_PROC), 1,
#endif
};
u_int miblen = sizeof(mib) / sizeof(mib[0]);
KINFO_PROC kp;
size_t sz = sizeof(KINFO_PROC);
if (sysctl(mib, miblen, &kp, &sz, NULL, 0) != -1)
return KP_PPID(kp);
return 0;
#else
std::string dir = "/proc/" + std::to_string(pid) + "/status";
FILE* infile;
infile = fopen(dir.c_str(), "r");
if (!infile)
return 0;
char* line = nullptr;
size_t len = 0;
ssize_t len2 = 0;
std::string pidstr;
while ((len2 = getline(&line, &len, infile)) != -1) {
if (strstr(line, "PPid:")) {
pidstr = std::string(line, len2);
const auto tabpos = pidstr.find_last_of('\t');
if (tabpos != std::string::npos)
pidstr = pidstr.substr(tabpos);
break;
}
}
fclose(infile);
if (line)
free(line);
try {
return std::stoll(pidstr);
} catch (std::exception& e) { return 0; }
#endif
}
std::expected<int64_t, std::string> configStringToInt(const std::string& VALUE) {
auto parseHex = [](const std::string& value) -> std::expected<int64_t, std::string> {
try {
size_t position;
auto result = stoll(value, &position, 16);
if (position == value.size())
return result;
} catch (const std::exception&) {}
return std::unexpected("invalid hex " + value);
};
if (VALUE.starts_with("0x")) {
// Values with 0x are hex
return parseHex(VALUE);
} else if (VALUE.starts_with("rgba(") && VALUE.ends_with(')')) {
const auto VALUEWITHOUTFUNC = trim(VALUE.substr(5, VALUE.length() - 6));
// try doing it the comma way first
if (std::count(VALUEWITHOUTFUNC.begin(), VALUEWITHOUTFUNC.end(), ',') == 3) {
// cool
std::string rolling = VALUEWITHOUTFUNC;
auto r = configStringToInt(trim(rolling.substr(0, rolling.find(','))));
rolling = rolling.substr(rolling.find(',') + 1);
auto g = configStringToInt(trim(rolling.substr(0, rolling.find(','))));
rolling = rolling.substr(rolling.find(',') + 1);
auto b = configStringToInt(trim(rolling.substr(0, rolling.find(','))));
rolling = rolling.substr(rolling.find(',') + 1);
uint8_t a = 0;
if (!r || !g || !b)
return std::unexpected("failed parsing " + VALUEWITHOUTFUNC);
try {
a = std::round(std::stof(trim(rolling.substr(0, rolling.find(',')))) * 255.f);
} catch (std::exception& e) { return std::unexpected("failed parsing " + VALUEWITHOUTFUNC); }
return a * (Hyprlang::INT)0x1000000 + *r * (Hyprlang::INT)0x10000 + *g * (Hyprlang::INT)0x100 + *b;
} else if (VALUEWITHOUTFUNC.length() == 8) {
const auto RGBA = parseHex(VALUEWITHOUTFUNC);
if (!RGBA)
return RGBA;
// now we need to RGBA -> ARGB. The config holds ARGB only.
return (*RGBA >> 8) + 0x1000000 * (*RGBA & 0xFF);
}
return std::unexpected("rgba() expects length of 8 characters (4 bytes) or 4 comma separated values");
} else if (VALUE.starts_with("rgb(") && VALUE.ends_with(')')) {
const auto VALUEWITHOUTFUNC = trim(VALUE.substr(4, VALUE.length() - 5));
// try doing it the comma way first
if (std::count(VALUEWITHOUTFUNC.begin(), VALUEWITHOUTFUNC.end(), ',') == 2) {
// cool
std::string rolling = VALUEWITHOUTFUNC;
auto r = configStringToInt(trim(rolling.substr(0, rolling.find(','))));
rolling = rolling.substr(rolling.find(',') + 1);
auto g = configStringToInt(trim(rolling.substr(0, rolling.find(','))));
rolling = rolling.substr(rolling.find(',') + 1);
auto b = configStringToInt(trim(rolling.substr(0, rolling.find(','))));
if (!r || !g || !b)
return std::unexpected("failed parsing " + VALUEWITHOUTFUNC);
return (Hyprlang::INT)0xFF000000 + *r * (Hyprlang::INT)0x10000 + *g * (Hyprlang::INT)0x100 + *b;
} else if (VALUEWITHOUTFUNC.length() == 6) {
auto r = parseHex(VALUEWITHOUTFUNC);
return r ? *r + 0xFF000000 : r;
}
return std::unexpected("rgb() expects length of 6 characters (3 bytes) or 3 comma separated values");
} else if (VALUE.starts_with("true") || VALUE.starts_with("on") || VALUE.starts_with("yes")) {
return 1;
} else if (VALUE.starts_with("false") || VALUE.starts_with("off") || VALUE.starts_with("no")) {
return 0;
}
if (VALUE.empty() || !isNumber(VALUE, false))
return std::unexpected("cannot parse \"" + VALUE + "\" as an int.");
try {
const auto RES = std::stoll(VALUE);
return RES;
} catch (std::exception& e) { return std::unexpected(std::string{"stoll threw: "} + e.what()); }
return std::unexpected("parse error");
}
Vector2D configStringToVector2D(const std::string& VALUE) {
std::istringstream iss(VALUE);
std::string token;
if (!std::getline(iss, token, ' ') && !std::getline(iss, token, ','))
throw std::invalid_argument("Invalid string format");
if (!isNumber(token))
throw std::invalid_argument("Invalid x value");
long long x = std::stoll(token);
if (!std::getline(iss, token))
throw std::invalid_argument("Invalid string format");
if (!isNumber(token))
throw std::invalid_argument("Invalid y value");
long long y = std::stoll(token);
if (std::getline(iss, token))
throw std::invalid_argument("Invalid string format");
return Vector2D((double)x, (double)y);
}
double normalizeAngleRad(double ang) {
if (ang > M_PI * 2) {
while (ang > M_PI * 2)
ang -= M_PI * 2;
return ang;
}
if (ang < 0.0) {
while (ang < 0.0)
ang += M_PI * 2;
return ang;
}
return ang;
}
std::vector<SCallstackFrameInfo> getBacktrace() {
std::vector<SCallstackFrameInfo> callstack;
#ifdef HAS_EXECINFO
void* bt[1024];
int btSize;
char** btSymbols;
btSize = backtrace(bt, 1024);
btSymbols = backtrace_symbols(bt, btSize);
for (auto i = 0; i < btSize; ++i) {
callstack.emplace_back(SCallstackFrameInfo{bt[i], std::string{btSymbols[i]}});
}
#else
callstack.emplace_back(SCallstackFrameInfo{nullptr, "configuration does not support execinfo.h"});
#endif
return callstack;
}
void throwError(const std::string& err) {
Debug::log(CRIT, "Critical error thrown: {}", err);
throw std::runtime_error(err);
}
bool envEnabled(const std::string& env) {
const auto ENV = getenv(env.c_str());
if (!ENV)
return false;
return std::string(ENV) == "1";
}
std::pair<CFileDescriptor, std::string> openExclusiveShm() {
// Only absolute paths can be shared across different shm_open() calls
std::string name = "/" + g_pTokenManager->getRandomUUID();
for (size_t i = 0; i < 69; ++i) {
CFileDescriptor fd{shm_open(name.c_str(), O_RDWR | O_CREAT | O_EXCL, 0600)};
if (fd.isValid())
return {std::move(fd), name};
}
return {{}, ""};
}
CFileDescriptor allocateSHMFile(size_t len) {
auto [fd, name] = openExclusiveShm();
if (!fd.isValid())
return {};
shm_unlink(name.c_str());
int ret;
do {
ret = ftruncate(fd.get(), len);
} while (ret < 0 && errno == EINTR);
if (ret < 0) {
return {};
}
return std::move(fd);
}
bool allocateSHMFilePair(size_t size, CFileDescriptor& rw_fd_ptr, CFileDescriptor& ro_fd_ptr) {
auto [fd, name] = openExclusiveShm();
if (!fd.isValid()) {
return false;
}
// CLOEXEC is guaranteed to be set by shm_open
CFileDescriptor ro_fd{shm_open(name.c_str(), O_RDONLY, 0)};
if (!ro_fd.isValid()) {
shm_unlink(name.c_str());
return false;
}
shm_unlink(name.c_str());
// Make sure the file cannot be re-opened in read-write mode (e.g. via
// "/proc/self/fd/" on Linux)
if (fchmod(fd.get(), 0) != 0) {
return false;
}
int ret;
do {
ret = ftruncate(fd.get(), size);
} while (ret < 0 && errno == EINTR);
if (ret < 0) {
return false;
}
rw_fd_ptr = std::move(fd);
ro_fd_ptr = std::move(ro_fd);
return true;
}
float stringToPercentage(const std::string& VALUE, const float REL) {
if (VALUE.ends_with('%'))
return (std::stof(VALUE.substr(0, VALUE.length() - 1)) * REL) / 100.f;
else
return std::stof(VALUE);
}
// Checks if Nvidia driver major version is at least given version.
// Useful for explicit_sync_kms and ctm_animation as they only work
// past certain driver versions.
bool isNvidiaDriverVersionAtLeast(int threshold) {
static int driverMajor = 0;
static bool once = true;
if (once) {
once = false;
std::error_code ec;
if (std::filesystem::exists("/sys/module/nvidia_drm/version", ec) && !ec) {
std::ifstream ifs("/sys/module/nvidia_drm/version");
if (ifs.good()) {
try {
std::string driverInfo((std::istreambuf_iterator<char>(ifs)), (std::istreambuf_iterator<char>()));
size_t firstDot = driverInfo.find('.');
if (firstDot != std::string::npos)
driverMajor = std::stoi(driverInfo.substr(0, firstDot));
Debug::log(LOG, "Parsed NVIDIA major version: {}", driverMajor);
} catch (std::exception& e) {
driverMajor = 0; // Default to 0 if parsing fails
}
ifs.close();
}
}
}
return driverMajor >= threshold;
}