socket_configuration.c

#include "socket_configuration.h"
#include <libconfig.h>

static char config_file[256] = "socket_configuration.conf";
static int tcp_no_delay = 1; // enable TCP_NODELAY by default

const char *socket_get_config_file(void) {
    return config_file;
}

int socket_get_tcp_no_delay(void) {
    return tcp_no_delay;
}

void load_socket_from_file(void) {
    config_t config;
    config_init(&config);
    if (config_read_file(&config, config_file)) {
        int tmp_tcp_no_delay;
        if (config_lookup_bool(&config, "tcp_no_delay", &tmp_tcp_no_delay)) {
            tcp_no_delay = tmp_tcp_no_delay;
        }
        printf("Loaded config file: %s\n", config_file);
    } else {
        fprintf(stderr, "Failed to load file %s: %s:%d - %s\n",
                config_file,
                config_error_file(&config),
                config_error_line(&config),
                config_error_text(&config));
    }
    config_destroy(&config);
}

void save_socket_to_file(void) {
    config_t config;
    config_init(&config);

    config_setting_t *root = config_root_setting(&config);
    config_setting_t *setting = config_setting_add(root, "tcp_no_delay", CONFIG_TYPE_BOOL);
    config_setting_set_bool(setting, tcp_no_delay);
    if (!config_write_file(&config, config_file)) {
        fprintf(stderr, "Failed to write file %s\n", config_file);
    } else {
        printf("Saved configuration: %s\n", config_file);
    }

    config_destroy(&config);
}