ceph/src/common/hostname.cc

   1 // -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
   2 // vim: ts=8 sw=2 smarttab
   3 /*
   4  * Ceph - scalable distributed file system
   5  *
   6  * Copyright (C) 2004-2006 Sage Weil <sage@newdream.net>
   7  *
   8  * This is free software; you can redistribute it and/or
   9  * modify it under the terms of the GNU Lesser General Public
  10  * License version 2.1, as published by the Free Software
  11  * Foundation.  See file COPYING.
  12  *
  13  */
  14
  15 #include "common/hostname.h"
  16
  17 #include <string>
  18 #include <unistd.h>
  19
  20 std::string ceph_get_hostname()
  21 {
  22   char buf[1024];
  23   gethostname(buf, 1024);
  24   return std::string(buf);
  25 }
  26
  27 std::string ceph_get_short_hostname()
  28 {
  29   std::string hostname = ceph_get_hostname();
  30   size_t pos = hostname.find('.');
  31   if (pos == std::string::npos)
  32   {
  33     return hostname;
  34   }
  35   else
  36   {
  37     return hostname.substr(0, pos);
  38   }
  39 }