навел поряд в структуре

2026-07-29 00:39:23 +08:00
parent 50fa656f26
commit 8eafe19a1d
23 changed files with 4055 additions and 1 deletions
@@ -0,0 +1,97 @@
+// /home/romkazvo/www/cgi-bin/src/status.c
+#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;
+}
+
+float get_cpu_load() {
+    FILE *fp = fopen("/proc/loadavg", "r");
+    if (!fp) return 0.0f;
+    
+    float load;
+    fscanf(fp, "%f", &load);
+    fclose(fp);
+    
+    return load;
+}
+
+void get_memory_usage(long *used_mb, long *total_mb) {
+    FILE *fp = fopen("/proc/meminfo", "r");
+    if (!fp) {
+        *used_mb = 0;
+        *total_mb = 0;
+        return;
+    }
+    
+    char line[128];
+    long total = 0, available = 0;
+    
+    while (fgets(line, sizeof(line), fp)) {
+        if (sscanf(line, "MemTotal: %ld kB", &total) == 1) {
+            // сохраняем
+        } else if (sscanf(line, "MemAvailable: %ld kB", &available) == 1) {
+            break;
+        }
+    }
+    fclose(fp);
+    
+    *total_mb = total / 1024;
+    *used_mb = (total - available) / 1024;
+}
+
+int main() {
+    printf("Content-type: text/plain; charset=utf-8\n\n");
+    
+    long busybox_kb = 0, nginx_kb = 0;
+    get_process_memory("busybox", &busybox_kb);
+    nginx_kb = get_nginx_memory();
+    
+    double busybox_mb = busybox_kb / 1024.0;
+    double nginx_mb = nginx_kb / 1024.0;
+    double total_mb = busybox_mb + nginx_mb;
+    
+    float cpu_load = get_cpu_load();
+    
+    long used_mb = 0, total_sys_mb = 0;
+    get_memory_usage(&used_mb, &total_sys_mb);
+    
+    // Две строки
+    printf("BusyBox: %.1f MB | Nginx: %.1f MB | Всего: %.1f MB\n", 
+           busybox_mb, nginx_mb, total_mb);
+    printf("CPU Load: %.2f | Память: %ld / %ld MB (%.0f%%)",
+           cpu_load, used_mb, total_sys_mb, total_sys_mb > 0 ? (float)used_mb / total_sys_mb * 100 : 0);
+    
+    return 0;
+}