ceph/src/test/test_mutate.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) 2011 New Dream Network
   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 /*
  16  * Test Ioctx::operate
  17  */
  18
  19 #include "common/ceph_argparse.h"
  20 #include "common/debug.h"
  21 #include "common/config.h"
  22 #include "global/global_init.h"
  23 #include "include/rados/librados.hpp"
  24 #include "include/types.h"
  25
  26 #include <errno.h>
  27 #include <iostream>
  28 #include <string>
  29
  30 using std::cerr;
  31 using std::string;
  32
  33 using namespace librados;
  34
  35 static void usage(void)
  36 {
  37   cerr << "--oid           set object id to 'operate' on" << std::endl;
  38   cerr << "--pool          set pool to 'operate' on" << std::endl;
  39 }
  40
  41 int main(int argc, const char **argv)
  42 {
  43   auto args = argv_to_vec(argc, argv);
  44   auto cct = global_init(NULL, args, CEPH_ENTITY_TYPE_CLIENT,
  45                          CODE_ENVIRONMENT_UTILITY,
  46                          CINIT_FLAG_NO_DEFAULT_CONFIG_FILE);
  47   common_init_finish(g_ceph_context);
  48
  49   string val;
  50   string oid("ceph_test_object");
  51   string pool_name("test_pool");
  52   for (std::vector<const char*>::iterator i = args.begin(); i != args.end(); ) {
  53     if (ceph_argparse_double_dash(args, i)) {
  54       break;
  55     }
  56     else if (ceph_argparse_witharg(args, i, &val, "--oid", "-o", (char*)NULL)) {
  57       oid = val;
  58     }
  59     else if (ceph_argparse_witharg(args, i, &val, "--pool", "-p", (char*)NULL)) {
  60       pool_name = val;
  61     }
  62     else {
  63       cerr << "unknown command line option: " << *i << std::endl;
  64       cerr << std::endl;
  65       usage();
  66       return 2;
  67     }
  68   }
  69
  70   Rados rados;
  71   if (rados.init_with_context(g_ceph_context) < 0) {
  72      cerr << "couldn't initialize rados!" << std::endl;
  73      return 1;
  74   }
  75   if (rados.conf_read_file(NULL) < 0) {
  76      cerr << "failed to read rados configuration file!" << std::endl;
  77      return 1;
  78   }
  79   if (rados.connect() < 0) {
  80      cerr << "couldn't connect to cluster!" << std::endl;
  81      return 1;
  82   }
  83
  84   int ret = 0;
  85   librados::ObjectWriteOperation o;
  86   IoCtx ioctx;
  87   if (rados.pool_lookup(pool_name.c_str()) <= 0) {
  88     ret = rados.pool_create(pool_name.c_str());
  89     if (ret) {
  90        cerr << "failed to create pool named '" << pool_name
  91             << "': error " << ret << std::endl;
  92        return 1;
  93     }
  94   }
  95   ret = rados.ioctx_create(pool_name.c_str(), ioctx);
  96   if (ret) {
  97      cerr << "failed to create ioctx for pool '" << pool_name
  98           << "': error " << ret << std::endl;
  99      return 1;
 100   }
 101   ioctx.application_enable("rados", true);
 102
 103   librados::ObjectWriteOperation op;
 104   op.create(true);
 105   ret = ioctx.operate(oid, &op);
 106   if (ret) {
 107      cerr << "ioctx.operate failed: ret = " << ret << std::endl;
 108      return 1;
 109   }
 110
 111   return 0;
 112 }