cpp-qt5-qhttpengine-server.main.cpp.mustache Maven / Gradle / Ivy

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{{>licenseInfo}}

#include 
#include 
#include 
#include 
#include 
#include 
#include 
#include 
#ifdef __linux__ 
#include 
#include 
#endif 
#include 
#include "{{prefix}}ApiRouter.h"

#ifdef __linux__ 
void catchUnixSignals(QList quitSignals) {
    auto handler = [](int sig) -> void {
        // blocking and not aysnc-signal-safe func are valid
        qDebug() << "\nquit the application by signal " << sig;
        QCoreApplication::quit();
    };
    
    sigset_t blocking_mask;   
    sigemptyset(&blocking_mask);  
    for (auto sig : quitSignals) 
        sigaddset(&blocking_mask, sig);  
        
    struct sigaction sa;   
    sa.sa_handler = handler;   
    sa.sa_mask    = blocking_mask;  
    sa.sa_flags   = 0;    
    
    for (auto sig : quitSignals)   
        sigaction(sig, &sa, nullptr);
}
#endif 

int main(int argc, char * argv[])
{
    QCoreApplication a(argc, argv);
#ifdef __linux__ 
    QList sigs({SIGQUIT, SIGINT, SIGTERM, SIGHUP});
    catchUnixSignals(sigs);
#endif      
    // Build the command-line options
    QCommandLineParser parser;
    QCommandLineOption addressOption(
        QStringList() << "a" << "address",
        "address to bind to",
        "address",
        "0.0.0.0"
    );
    parser.addOption(addressOption);
    QCommandLineOption portOption(
        QStringList() << "p" << "port",
        "port to listen on",
        "port",
        "8080"
    );
    parser.addOption(portOption);
    parser.addHelpOption();

    // Parse the options that were provided
    parser.process(a);

    // Obtain the values
    QHostAddress address = QHostAddress(parser.value(addressOption));
    quint16 port = static_cast(parser.value(portOption).toInt());
   
    QSharedPointer<{{cppNamespace}}::RequestHandler> handler(new {{cppNamespace}}::RequestHandler());
    {{cppNamespace}}::ApiRouter   router;
    router.setUpRoutes();
    QObject::connect(handler.data(), &{{cppNamespace}}::RequestHandler::requestReceived, [&](QHttpEngine::Socket *socket) {
        router.processRequest(socket);
    });

    QHttpEngine::Server server(handler.data());
    qDebug() << "Serving on " << address.toString() << ":" << port;
    // Attempt to listen on the specified port
    if (!server.listen(address, port)) {
        qCritical("Unable to listen on the specified port.");
        return 1;
    }
    
    return a.exec();
}