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// Standard C++
#include <atomic>
#include <csignal>
#include <cstdlib>
#include <iostream>
// FastCGI
#include <fcgiapp.h>
using namespace std;
namespace {
static atomic_bool quit;
static atomic_bool reload;
static void
handler(int signal)
{
if ( signal == SIGINT || signal == SIGTERM ) {
quit = true;
}
else if ( signal == SIGHUP ) {
reload = true;
}
}
static void
init_signal_handler()
{
struct sigaction sa;
memset(&sa, 0, sizeof sa);
sa.sa_handler = handler;
sa.sa_flags = 0;
sigemptyset(&sa.sa_mask);
sigaction(SIGINT, &sa, NULL);
sigaction(SIGTERM, &sa, NULL);
sigaction(SIGHUP, &sa, NULL);
}
static void
load_configuration()
{
cerr << "Load configuration ...\n";
}
static void
handle_request(const FCGX_Request& request)
{
FCGX_FPrintF(request.out, "Content-type: text/html\r\n\r\n");
FCGX_FPrintF(request.out, "<h1>Verbindung erfolgreich verarbeitet!</h1>");
}
} // namespace
int
main()
{
FCGX_Init();
auto socket = FCGX_OpenSocket(":5000", 20);
if ( socket == -1 ) {
cerr << "Fehler beim Erstellen des Listen-Sockets...\n";
return EXIT_FAILURE;
}
FCGX_Request request;
if ( FCGX_InitRequest(&request, socket, FCGI_FAIL_ACCEPT_ON_INTR) != 0 ) {
cerr << "Fehler beim Initialisieren...\n";
return EXIT_FAILURE;
}
init_signal_handler();
load_configuration();
quit = false;
reload = false;
cout << "Handle Requests...\n";
while ( !quit ) {
if ( reload ) {
load_configuration();
reload = false;
}
if ( FCGX_Accept_r(&request) < 0 ) {
continue;
}
handle_request(request);
FCGX_Finish_r(&request);
}
cout << "shutdown...\n";
}
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