Zabbix: import 2.2.2 from packages

Signed-off-by: Etienne CHAMPETIER <etienne.champetier@free.fr>

admin/zabbix/files/zabbix_helper_mac80211.c

@@ -0,0 +1,77 @@
+#define _GNU_SOURCE
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <sys/types.h>
+#include <dirent.h>
+#include <stdbool.h>
+
+int discovery()
+{
+    DIR *dir;
+    struct dirent *ent;
+    bool comma = false;
+    if ((dir = opendir ("/sys/kernel/debug/ieee80211/")) != NULL) {
+        printf("{\"data\":[");
+        while ((ent = readdir (dir)) != NULL) {
+            if (strcmp(".", ent->d_name) && strcmp("..", ent->d_name)) {
+                if (comma)
+                    printf(",");
+                printf("{\"{#PHY}\":\"%s\"}", ent->d_name);
+                comma = true;
+            }
+        }
+        printf("]}\n");
+        closedir(dir);
+    } else {
+        perror("");
+        return EXIT_FAILURE;
+    }
+    return EXIT_SUCCESS;
+}
+
+int get_param(char *phy, char *stat)
+{
+    char *filename = NULL;
+    FILE *f = NULL;
+    phy = basename(phy);
+    stat = basename(stat);
+    if (asprintf(&filename, "/sys/kernel/debug/ieee80211/%s/statistics/%s", phy, stat) > 0)
+        f = fopen(filename, "r");
+
+    if (f != NULL) {
+        char temp[256];
+        while (fgets(temp, 256, f) != NULL)
+            printf("%s",temp);
+
+        fclose(f);
+    } else {
+        perror("");
+        return EXIT_FAILURE;
+    }
+    free(filename);
+    return EXIT_SUCCESS;
+}
+
+int usage(char *name)
+{
+    fprintf(stderr, "Usage:\n");
+    fprintf(stderr, " %s discovery\n", name);
+    fprintf(stderr, " => print mac80211.phydiscovery discovery rule\n");
+    fprintf(stderr, " %s PHY STAT\n", name);
+    fprintf(stderr, " => cat /sys/kernel/debug/ieee80211/PHY/statistics/STAT as root\n");
+    return EXIT_FAILURE;
+}
+
+int main(int argc, char *argv[])
+{
+
+    switch (argc) {
+    case 2:
+        return discovery();
+    case 3:
+        return get_param(argv[1], argv[2]);
+    default:
+        return usage(argv[0]);
+    }
+}