/*-
* Copyright (c) 2011, 2012, 2013 Spectra Logic Corporation
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions, and the following disclaimer,
* without modification.
* 2. Redistributions in binary form must reproduce at minimum a disclaimer
* substantially similar to the "NO WARRANTY" disclaimer below
* ("Disclaimer") and any redistribution must be conditioned upon
* including a substantially similar Disclaimer requirement for further
* binary redistribution.
*
* NO WARRANTY
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGES.
*
* Authors: Justin T. Gibbs (Spectra Logic Corporation)
*/
/**
* \file zpool_list.cc
*
* Implementation of the ZpoolList class.
*/
#include <sys/cdefs.h>
#include <sys/byteorder.h>
#include <sys/fs/zfs.h>
#include <stdint.h>
#include <libzfs.h>
#include <list>
#include <map>
#include <string>
#include <devdctl/guid.h>
#include <devdctl/event.h>
#include <devdctl/event_factory.h>
#include <devdctl/exception.h>
#include <devdctl/consumer.h>
#include "vdev.h"
#include "vdev_iterator.h"
#include "zpool_list.h"
#include "zfsd.h"
/*============================ Namespace Control =============================*/
using DevdCtl::Guid;
/*=========================== Class Implementations ==========================*/
/*--------------------------------- ZpoolList --------------------------------*/
bool
ZpoolList::ZpoolAll(zpool_handle_t *pool, nvlist_t *poolConfig, void *cbArg)
{
return (true);
}
bool
ZpoolList::ZpoolByGUID(zpool_handle_t *pool, nvlist_t *poolConfig,
void *cbArg)
{
Guid *desiredPoolGUID(static_cast<Guid *>(cbArg));
uint64_t poolGUID;
/* We are only intested in the pool that matches our pool GUID. */
return (nvlist_lookup_uint64(poolConfig, ZPOOL_CONFIG_POOL_GUID,
&poolGUID) == 0
&& poolGUID == (uint64_t)*desiredPoolGUID);
}
bool
ZpoolList::ZpoolByName(zpool_handle_t *pool, nvlist_t *poolConfig, void *cbArg)
{
const string &desiredPoolName(*static_cast<const string *>(cbArg));
/* We are only intested in the pool that matches our pool GUID. */
return (desiredPoolName == zpool_get_name(pool));
}
int
ZpoolList::LoadIterator(zpool_handle_t *pool, void *data)
{
ZpoolList *zpl(reinterpret_cast<ZpoolList *>(data));
nvlist_t *poolConfig(zpool_get_config(pool, NULL));
if (zpl->m_filter(pool, poolConfig, zpl->m_filterArg))
zpl->push_back(pool);
else
zpool_close(pool);
return (0);
}
ZpoolList::ZpoolList(PoolFilter_t *filter, void * filterArg)
: m_filter(filter),
m_filterArg(filterArg)
{
zpool_iter(g_zfsHandle, LoadIterator, this);
}
ZpoolList::~ZpoolList()
{
for (iterator it(begin()); it != end(); it++)
zpool_close(*it);
clear();
}
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