cs-3516-assignment-1/server/http_server.c

#include "http_server.h"
#include "../common/socket_helper.h"
#include "socket_server.h"
#include <errno.h>
#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/signal.h>
#include <sys/socket.h>
#include <unistd.h>

bool running = true;

void handle_signal(int signal) {
    running = false;
}

int main(int argc, char* argv[]) {
    if (argc != 2) {
        printf("%s", USAGE_STRING);
    }
    char *port = argv[1];
    long port_num = strtol(port, NULL, 10);
    if (port_num < MIN_PORT || port_num > MAX_PORT || errno == ERANGE || errno == EINVAL) {
        printf("%s", PORT_ERROR);
        return 1;
    }
    struct sigaction sa = {.sa_handler = &handle_signal, .sa_flags = 0};
    sigemptyset(&sa.sa_mask);
    sigaction(SIGINT, &sa, NULL);
    sigaction(SIGTERM, &sa, NULL);

    struct server_info info = setup(port_num);
    if (info.status == STATUS_ERROR) {
        printf("%s\n", strerror(errno));
        return 1;
    }
    while (running) {
        enum socket_result serve_result = serve_one_request(info.sock_fd);
        if (serve_result != RESULT_OK && errno != EINTR) {
            printf("Got error code %d when serving a request.\n", serve_result);
        }
    }
    close(info.sock_fd);
}