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