<?php

/**
 * Observium
 *
 *   This file is part of Observium.
 *
 * @package        observium
 * @subpackage     poller
 * @copyright  (C) Adam Armstrong
 *
 */

if (!empty($agent_data['app']['nfs'])) {
    $app_id = discover_app($device, 'nfs');

    $rrd_filename = "app-nfs-$app_id.rrd";
    /* Based DIRECTLY on nfsstats.c labels */
    $nfsLabel          = [];
    $nfsLabel['proc2'] = [
      "null", "getattr", "setattr", "root", "lookup", "readlink",
      "read", "wrcache", "write", "create", "remove", "rename",
      "link", "symlink", "mkdir", "rmdir", "readdir", "fsstat"
    ];

    $nfsLabel['proc3'] = [
      "null", "getattr", "setattr", "lookup", "access", "readlink",
      "read", "write", "create", "mkdir", "symlink", "mknod",
      "remove", "rmdir", "rename", "link", "readdir", "readdirplus",
      "fsstat", "fsinfo", "pathconf", "commit"
    ];

    $nfsLabel['proc4'] = [
      "null", "read", "write", "commit", "open", "open_conf",
      "open_noat", "open_dgrd", "close", "setattr", "fsinfo", "renew",
      "setclntid", "confirm", "lock",
      "lockt", "locku", "access", "getattr", "lookup", "lookup_root",
      "remove", "rename", "link", "symlink", "create", "pathconf",
      "statfs", "readlink", "readdir", "server_caps", "delegreturn", "getacl",
      "setacl", "fs_locations",
      "rel_lkowner", "secinfo",
      /* nfsv4.1 client ops */
      "exchange_id",
      "create_ses",
      "destroy_ses",
      "sequence",
      "get_lease_t",
      "reclaim_comp",
      "layoutget",
      "getdevinfo",
      "layoutcommit",
      "layoutreturn",
      "secinfo_noname",
      "test_stateid",
      "free_stateid",
      "getdevlist",
      "bind_contoses",
      "dstr_clientid"
    ];

    foreach ($nfsLabel as $key => $values) {
        foreach ($values as $name) {
            $definition .= " DS:" . ($key . $name) . ":DERIVE:600:0:12500000 ";
        }
    }

    rrdtool_create($device, $rrd_filename, $definition . " ");

    $datas = [];
    foreach ($nfsLabel as $key => $values) {
        foreach ($values as $name) {
            $datas[$key . $name] = "U";
        }
    }

    $lines = explode("\n", $agent_data['app']['nfs']);
    foreach ($lines as $line) {
        $tokens = explode(" ", $line);
        if (isset($tokens[0]) && isset($nfsLabel[strtolower($tokens[0])])) {
            $base = strtolower($tokens[0]);
            array_shift($tokens);
            array_shift($tokens);
            foreach ($tokens as $k => $v) {
                $datas[$base . ($nfsLabel[$base][$k])] = $v;
            }
        }
    }

    update_application($app_id, $datas);
    rrdtool_update($device, $rrd_filename, "N:" . implode(':', $datas));
}

// EOF