// /home/romkazvo/www/cgi-bin/status.c
// Отрисовка статистики
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/resource.h>

long get_nginx_memory() {
    long total_kb = 0;
    char command[] = "ps -o rss= -C nginx 2>/dev/null";
    
    FILE *ps = popen(command, "r");
    if (!ps) return 0;
    
    char line[64];
    while (fgets(line, sizeof(line), ps)) {
        long kb;
        if (sscanf(line, "%ld", &kb) == 1) {
            total_kb += kb;
        }
    }
    pclose(ps);
    
    return total_kb;
}

int get_process_memory(const char *process_name, long *memory_kb) {
    char command[256];
    snprintf(command, sizeof(command), "ps -o rss= -C %s 2>/dev/null | head -1", process_name);
    
    FILE *ps = popen(command, "r");
    if (!ps) return 0;
    
    int result = fscanf(ps, "%ld", memory_kb);
    pclose(ps);
    
    return result == 1;
}

int main() {
    printf("Content-type: text/plain; charset=utf-8\n\n");
    
    // Получаем память процессов
    long busybox_kb = 0, nginx_kb = 0;
    
    get_process_memory("busybox", &busybox_kb);
    nginx_kb = get_nginx_memory();
    
    // Выводим в одну строку
    printf("BusyBox: %ld KB | Nginx: %ld MB | Всего: %.1f MB",
           busybox_kb,
           nginx_kb / 1024,
           (busybox_kb + nginx_kb) / 1024.0);
    
    return 0;
}