magdev
9655b6fef9
Bare PHP behind FrankenPHP plus a Qt/QML host that spawns it. GET /api/ping publishes a Mercure event; the QML window receives it back over the SSE stream. Findings (Caddy directive ordering, Mercure transport scalar, PR_SET_PDEATHSIG for child cleanup, PHP 8.5 curl_close deprecation, port collision with system FrankenPHP, pure-QML SSE viability) are recorded in spike/README.md so Phase 1 starts from a known-good baseline. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
73 lines
2.1 KiB
C++
73 lines
2.1 KiB
C++
#include <QCoreApplication>
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#include <QGuiApplication>
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#include <QQmlApplicationEngine>
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#include <QProcess>
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#include <QDir>
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#include <QFileInfo>
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#include <QObject>
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#include <QDebug>
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#include <csignal>
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#include <sys/prctl.h>
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// Resolve the spike root by walking up from the running binary
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// until we find a directory containing Caddyfile + bin/frankenphp.
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static QString resolveSpikeRoot()
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{
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QDir d(QCoreApplication::applicationDirPath());
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for (int i = 0; i < 6; ++i) {
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if (QFileInfo(d.filePath("Caddyfile")).exists() &&
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QFileInfo(d.filePath("bin/frankenphp")).exists()) {
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return d.absolutePath();
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}
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if (!d.cdUp()) break;
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}
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qWarning() << "Could not locate spike root from"
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<< QCoreApplication::applicationDirPath();
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return QCoreApplication::applicationDirPath();
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}
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// SIGTERM / SIGINT → graceful Qt quit so aboutToQuit cleanup runs.
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static void installSignalHandlers()
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{
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auto handler = +[](int) { QCoreApplication::quit(); };
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std::signal(SIGTERM, handler);
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std::signal(SIGINT, handler);
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}
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int main(int argc, char *argv[])
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{
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QGuiApplication app(argc, argv);
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installSignalHandlers();
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const QString spikeRoot = resolveSpikeRoot();
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qInfo() << "spike root:" << spikeRoot;
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QProcess franken;
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franken.setProgram(spikeRoot + "/bin/frankenphp");
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franken.setArguments({"run", "--config", spikeRoot + "/Caddyfile"});
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franken.setWorkingDirectory(spikeRoot);
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franken.setProcessChannelMode(QProcess::ForwardedChannels);
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// Linux belt-and-suspenders: ask the kernel to SIGTERM the child
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// when this process dies, regardless of how (crash, kill -9, etc.).
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franken.setChildProcessModifier([] {
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prctl(PR_SET_PDEATHSIG, SIGTERM);
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});
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franken.start();
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QObject::connect(&app, &QCoreApplication::aboutToQuit, [&]() {
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if (franken.state() == QProcess::NotRunning) return;
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franken.terminate();
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if (!franken.waitForFinished(2000)) franken.kill();
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});
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QQmlApplicationEngine engine;
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engine.loadFromModule("Spike", "Main");
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if (engine.rootObjects().isEmpty()) return -1;
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return app.exec();
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}
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