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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/ceph_assert.h"
#include "include/rados/librados.h"
#include "st_rados_create_pool.h"
#include "systest_runnable.h"
#include "systest_settings.h"
#include <errno.h>
#include <stdarg.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <sstream>
#include <string>
using std::ostringstream;
std::string StRadosCreatePool::
get_random_buf(int sz)
{
ostringstream oss;
int size = rand() % sz; // yep, it's not very random
for (int i = 0; i < size; ++i) {
oss << ".";
}
return oss.str();
}
StRadosCreatePool::
StRadosCreatePool(int argc, const char **argv,
CrossProcessSem *setup_sem,
CrossProcessSem *pool_setup_sem,
CrossProcessSem *close_create_pool,
const std::string &pool_name,
int num_objects,
const std::string &suffix)
: SysTestRunnable(argc, argv),
m_setup_sem(setup_sem),
m_pool_setup_sem(pool_setup_sem),
m_close_create_pool(close_create_pool),
m_pool_name(pool_name),
m_num_objects(num_objects),
m_suffix(suffix)
{
}
StRadosCreatePool::
~StRadosCreatePool()
{
}
int StRadosCreatePool::
run()
{
int ret_val = 0;
rados_t cl;
RETURN1_IF_NONZERO(rados_create(&cl, NULL));
rados_conf_parse_argv(cl, m_argc, m_argv);
rados_conf_parse_argv(cl, m_argc, m_argv);
RETURN1_IF_NONZERO(rados_conf_read_file(cl, NULL));
std::string log_name = SysTestSettings::inst().get_log_name(get_id_str());
if (!log_name.empty())
rados_conf_set(cl, "log_file", log_name.c_str());
rados_conf_parse_env(cl, NULL);
if (m_setup_sem) {
m_setup_sem->wait();
m_setup_sem->post();
}
RETURN1_IF_NONZERO(rados_connect(cl));
printf("%s: creating pool %s\n", get_id_str(), m_pool_name.c_str());
rados_pool_create(cl, m_pool_name.c_str());
rados_ioctx_t io_ctx;
RETURN1_IF_NONZERO(rados_ioctx_create(cl, m_pool_name.c_str(), &io_ctx));
for (int i = 0; i < m_num_objects; ++i) {
char oid[128];
snprintf(oid, sizeof(oid), "%d%s", i, m_suffix.c_str());
std::string buf(get_random_buf(256));
int ret = rados_write(io_ctx, oid, buf.c_str(), buf.size(), 0);
if (ret != 0) {
printf("%s: rados_write(%s) failed with error: %d\n",
get_id_str(), oid, ret);
ret_val = ret;
goto out;
}
if (((i % 25) == 0) || (i == m_num_objects - 1)) {
printf("%s: created object %d...\n", get_id_str(), i);
}
}
out:
printf("%s: finishing.\n", get_id_str());
if (m_pool_setup_sem)
m_pool_setup_sem->post();
if (m_close_create_pool)
m_close_create_pool->wait();
rados_ioctx_destroy(io_ctx);
rados_shutdown(cl);
return ret_val;
}
std::string get_temp_pool_name(const char* prefix)
{
ceph_assert(prefix);
char hostname[80];
int ret = 0;
ret = gethostname(hostname, sizeof(hostname));
ceph_assert(!ret);
char poolname[256];
ret = snprintf(poolname, sizeof(poolname),
"%s.%s-%d", prefix, hostname, getpid());
ceph_assert(ret > 0);
ceph_assert((unsigned int)ret < sizeof(poolname));
return poolname;
}
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