ceph/src/tools/cephfs/cephfs-journal-tool.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) 2014 John Spray <john.spray@inktank.com>
   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 "include/types.h"
  16 #include "common/config.h"
  17 #include "common/ceph_argparse.h"
  18 #include "common/errno.h"
  19 #include "global/global_init.h"
  20
  21 #include "JournalTool.h"
  22
  23
  24 int main(int argc, const char **argv)
  25 {
  26   auto args = argv_to_vec(argc, argv);
  27   if (args.empty()) {
  28     std::cerr << argv[0] << ": -h or --help for usage" << std::endl;
  29     exit(1);
  30   }
  31   if (ceph_argparse_need_usage(args)) {
  32     JournalTool::usage();
  33     exit(0);
  34   }
  35
  36   auto cct = global_init(NULL, args, CEPH_ENTITY_TYPE_CLIENT,
  37                              CODE_ENVIRONMENT_UTILITY, 0);
  38   common_init_finish(g_ceph_context);
  39
  40   JournalTool jt;
  41
  42   // Connect to mon cluster, download MDS map etc
  43   int rc = jt.init();
  44   if (rc != 0) {
  45       std::cerr << "Error in initialization: " << cpp_strerror(rc) << std::endl;
  46       return rc;
  47   }
  48
  49   // Finally, execute the user's commands
  50   rc = jt.main(args);
  51   if (rc != 0) {
  52     std::cerr << "Error (" << cpp_strerror(rc) << ")" << std::endl;
  53   }
  54
  55   return rc;
  56 }
  57