main.cpp

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/**
 * @file main.cpp - Entry point for LeftHookRoll web server.
 * @brief validates args, spins up parser ServerManager, and enters main event loop.
 *
 */
#include <iostream>
#include <cstdlib>
#include <csignal>
 
#include "../includes/ServerManager.hpp"
#include "../includes/FatalExceptions.hpp"
#include "../includes/ConfigParser.hpp"
 
//turn in checklist:
// write README
//comment .h and check for errors (to avoid forbidden functions)
//eval sheet test cases
volatile sig_atomic_t g_running = 1;
volatile sig_atomic_t g_sigpipe = 0;
 
static void signalHandler(int sig)
{
    (void)sig;
    g_running = 0;
}
 
static void signalPipeHandler(int sig) {
    g_sigpipe = sig;
}
 
int main(int argc, char** argv)
{
    signal(SIGINT, signalHandler);
    signal(SIGPIPE, signalPipeHandler);
    if (argc > 2)
    {
        std::cerr << "Usage: " << argv[0] << " [configuration file]" << std::endl;
        return 1;
    }
    try
    {
        std::vector<ServerConf> parsedConfs;
        if (argc == 1)
        {
            ServerConf defaultConf;
            defaultConf.setDefaults();
            parsedConfs.push_back(defaultConf);
        }
        else
        {
            ConfigParser parser(argv[1]);
            parsedConfs = parser.parse();
        }
        ServerManager manager(parsedConfs);
        manager.run();
    }
    catch (const FatalException& e)
    {
        std::cerr << "Fatal: " << e.what() << std::endl;
        return 1;
    }
    catch (const std::exception& e)
    {
        std::cerr << "Unexpected fatal error: " << e.what() << std::endl;
        return 1;
    }
    return 0;
}