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// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
// vim: ts=8 sw=2 smarttab
/*
* Ceph - scalable distributed file system
*
* Copyright (C) 2011 New Dream Network
*
* This is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License version 2.1, as published by the Free Software
* Foundation. See file COPYING.
*
*/
#include "cross_process_sem.h"
#include "include/rados/librados.h"
#include "st_rados_list_objects.h"
#include "systest_runnable.h"
#include "systest_settings.h"
#include <errno.h>
#include <stdarg.h>
#include <stdio.h>
#include <stdlib.h>
#include <sstream>
#include <string>
using std::ostringstream;
StRadosListObjects::
StRadosListObjects(int argc, const char **argv,
const std::string &pool_name,
bool accept_list_errors,
int midway_cnt,
CrossProcessSem *pool_setup_sem,
CrossProcessSem *midway_sem_wait,
CrossProcessSem *midway_sem_post)
: SysTestRunnable(argc, argv),
m_pool_name(pool_name),
m_accept_list_errors(accept_list_errors),
m_midway_cnt(midway_cnt),
m_pool_setup_sem(pool_setup_sem),
m_midway_sem_wait(midway_sem_wait),
m_midway_sem_post(midway_sem_post)
{
}
StRadosListObjects::
~StRadosListObjects()
{
}
int StRadosListObjects::
run()
{
int retval = 0;
rados_t cl;
RETURN1_IF_NONZERO(rados_create(&cl, NULL));
rados_conf_parse_argv(cl, m_argc, m_argv);
RETURN1_IF_NONZERO(rados_conf_read_file(cl, NULL));
rados_conf_parse_env(cl, NULL);
RETURN1_IF_NONZERO(rados_connect(cl));
m_pool_setup_sem->wait();
m_pool_setup_sem->post();
rados_ioctx_t io_ctx;
rados_pool_create(cl, m_pool_name.c_str());
RETURN1_IF_NONZERO(rados_ioctx_create(cl, m_pool_name.c_str(), &io_ctx));
int saw = 0;
const char *obj_name;
rados_list_ctx_t h;
printf("%s: listing objects.\n", get_id_str());
RETURN1_IF_NONZERO(rados_nobjects_list_open(io_ctx, &h));
while (true) {
int ret = rados_nobjects_list_next(h, &obj_name, NULL, NULL);
if (ret == -ENOENT) {
break;
}
else if (ret != 0) {
if (m_accept_list_errors && (!m_midway_sem_post || saw > m_midway_cnt))
break;
printf("%s: rados_objects_list_next error: %d\n", get_id_str(), ret);
retval = ret;
goto out;
}
if ((saw % 25) == 0) {
printf("%s: listed object %d...\n", get_id_str(), saw);
}
++saw;
if (saw == m_midway_cnt) {
if (m_midway_sem_wait)
m_midway_sem_wait->wait();
if (m_midway_sem_post)
m_midway_sem_post->post();
}
}
printf("%s: saw %d objects\n", get_id_str(), saw);
out:
rados_nobjects_list_close(h);
rados_ioctx_destroy(io_ctx);
rados_shutdown(cl);
return retval;
}
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