UpdatePTUDevCtrl/utils.cpp
Gerhard Hoffmann 103b3f3f9c isATBQTRunning():
Use std::fstream to read /proc/<pid>/status, as the lines
end on '\r', not on '\n'.
2023-09-10 16:46:59 +02:00

232 lines
7.0 KiB
C++

#include "utils.h"
#include "message_handler.h"
#include "git/git_client.h"
#include "unistd.h"
#include <QFile>
#include <QTextStream>
#include <QDebug>
#include <QDir>
#include <QDirIterator>
#include <QRegularExpression>
#include <fstream>
int Utils::read1stLineOfFile(QString fileName) {
QFile f(fileName);
if (f.exists()) {
if (f.open(QIODevice::ReadOnly | QIODevice::Text)) {
QTextStream in(&f);
in.setCodec("UTF-8");
while(!in.atEnd()) {
return in.readLine().toInt();
}
}
}
return -1;
}
QString Utils::zoneName(quint8 i) {
static constexpr char const *zName[] = {
"",
"purple",
"blue",
"yellow",
"green",
"yellow (mars)",
"green (mars)"
};
if (i < (sizeof(zName)/sizeof(char const *))) {
return zName[i];
}
return "N/A";
}
void Utils::printCriticalErrorMsg(QString const &errorMsg) {
qCritical() << QString(80, '!');
qCritical() << errorMsg;
qCritical() << QString(80, '!');
}
void Utils::printInfoMsg(QString const &infoMsg) {
qCritical() << QString(80, '=');
qCritical() << infoMsg;
qCritical() << QString(80, '=');
}
void Utils::printLineEditInfo(QStringList const &lines) {
if (getDebugLevel() == LOG_DEBUG) {
for (int i=0; i<lines.size(); ++i) {
qInfo() << lines.at(i);
} qInfo() << ""; qInfo() << "";
}
}
QString Utils::getTariffLoadTime(QString fileName) {
QFileInfo fInfo(fileName);
if (fInfo.exists()) {
QDateTime lastModifiedTime = fInfo.lastModified();
if (lastModifiedTime.isValid()) {
return lastModifiedTime.toString(Qt::ISODateWithMs);
} else {
printCriticalErrorMsg(fileName + " HAS INVALID MODIFIED-TIME");
QDateTime birthTime = fInfo.birthTime();
if (birthTime.isValid()) {
return birthTime.toString(Qt::ISODateWithMs);
} else {
printCriticalErrorMsg(fileName + " HAS INVALID BIRTH-TIME");
}
}
} else {
printCriticalErrorMsg(fileName + " DOES NOT EXIST");
}
return "N/A";
}
QString Utils::rstrip(QString const &str) {
int n = str.size() - 1;
for (; n >= 0; --n) {
if (!str.at(n).isSpace()) {
return str.left(n + 1);
}
}
return "";
}
bool Utils::sameFilesInDirs(QDir const &dir1, QDir const &dir2,
QStringList const &nameFilters) {
if (!dir1.exists()) {
printCriticalErrorMsg(dir1.dirName() + " DOES NOT EXIST");
return false;
}
if (!dir2.exists()) {
printCriticalErrorMsg(dir2.dirName() + " DOES NOT EXIST");
return false;
}
if (dir1.absolutePath() == dir2.absolutePath()) {
printCriticalErrorMsg(dir1.dirName() + " AND "+ dir2.dirName() + " HAVE SAME PATH");
return false;
}
// files, sorted by name
QFileInfoList const &lst1 = dir1.entryInfoList(nameFilters, QDir::Files, QDir::Name);
QFileInfoList const &lst2 = dir2.entryInfoList(nameFilters, QDir::Files, QDir::Name);
QStringList fileNameLst1{};
QStringList fileNameLst2{};
QListIterator<QFileInfo> i1(lst1);
while (i1.hasNext()) {
fileNameLst1 << i1.next().fileName();
}
QListIterator<QFileInfo> i2(lst2);
while (i2.hasNext()) {
fileNameLst2 << i2.next().fileName();
}
if (fileNameLst1.isEmpty()) {
qCritical() << "DIR1" << dir1.dirName() << " DOES NOT CONTAIN EXPECTED FILES";
return false;
}
if (fileNameLst2.isEmpty()) {
qCritical() << "DIR1" << dir2.dirName() << " DOES NOT CONTAIN EXPECTED FILES";
return false;
}
if (fileNameLst1 != fileNameLst2) {
printCriticalErrorMsg(dir1.dirName() + " AND " + dir2.dirName()
+ " DIFFER: [" + fileNameLst1.join(',') + "],["
+ fileNameLst2.join(',') + "]");
return false;
} else {
printInfoMsg(dir1.dirName() + " AND " + dir2.dirName()
+ " ARE EQUAL: [" + fileNameLst1.join(',') + "]");
}
QStringList gitBlobLst1{};
QStringList gitBlobLst2{};
QListIterator<QFileInfo> i3(lst1);
while (i3.hasNext()) {
gitBlobLst1 << GitClient::gitBlob(i3.next().fileName());
}
QListIterator<QFileInfo> i4(lst2);
while (i4.hasNext()) {
gitBlobLst2 << GitClient::gitBlob(i4.next().fileName());
}
if (gitBlobLst1.isEmpty()) {
qCritical() << "DIR1" << dir1.dirName() << " DOES NOT CONTAIN EXPECTED FILES";
return false;
}
if (gitBlobLst2.isEmpty()) {
qCritical() << "DIR1" << dir2.dirName() << " DOES NOT CONTAIN EXPECTED FILES";
return false;
}
if (gitBlobLst1 != gitBlobLst2) {
printCriticalErrorMsg(dir1.dirName() + " AND " + dir2.dirName()
+ " DIFFER: [" + gitBlobLst1.join(',') + "],["
+ gitBlobLst2.join(',') + "]");
return false;
} else {
printInfoMsg(dir1.dirName() + " AND " + dir2.dirName()
+ " CONTAIN SAME GIT-BLOBS FOR FILES: [" + fileNameLst1.join(',') + "]");
}
return true;
}
QString Utils::getParentName() { // get name of parent process
QString ppid = QString("/proc/%1/status").arg(getppid());
QFile f(ppid);
if (f.exists()) {
if (f.open(QIODevice::ReadOnly | QIODevice::Text)) {
QTextStream in(&f);
in.setCodec("UTF-8");
while(!in.atEnd()) {
// Name: ATBQT
QStringList line = in.readLine().split(':');
if (line.size() == 2) {
if (line[0].trimmed() == "Name") {
return line[1].trimmed();
}
}
}
}
}
return "";
}
bool Utils::isATBQTRunning() {
QDirIterator it("/proc",
QStringList() << "status",
QDir::Files,
QDirIterator::Subdirectories);
while (it.hasNext()) {
QString const &nextStatusFile = it.next();
static const QRegularExpression re("^/proc/[0-9]{1,}/status");
QRegularExpressionMatch match = re.match(nextStatusFile);
if (match.hasMatch()) {
std::ifstream f(nextStatusFile.toStdString().c_str());
if (f.is_open()) {
std::string next;
while (std::getline(f, next)) {
QString line = QString(next.c_str()).simplified();
if (line.startsWith("Name")) {
int const idx = line.indexOf(QChar(':'));
if (idx != -1) {
QString const binary = line.mid(idx+1).trimmed();
if (binary == "ATBQT") {
return true;
}
}
}
}
}
}
}
return false;
}