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 <unistd.h>
  18
  19 std::string ceph_get_hostname()
  20 {
  21   char buf[1024];
  22   gethostname(buf, 1024);
  23   return std::string(buf);
  24 }
  25
  26 std::string ceph_get_short_hostname()
  27 {
  28   std::string hostname = ceph_get_hostname();
  29   size_t pos = hostname.find('.');
  30   if (pos == std::string::npos)
  31   {
  32     return hostname;
  33   }
  34   else
  35   {
  36     return hostname.substr(0, pos);
  37   }
  38 }