nvml 0.0.2

A mid-level wrapper around PMDK (the persistent memory development kit), formely NVML
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// This file is part of dpdk. It is subject to the license terms in the COPYRIGHT file found in the top-level directory of this distribution and at https://raw.githubusercontent.com/lemonrock/dpdk/master/COPYRIGHT. No part of dpdk, including this file, may be copied, modified, propagated, or distributed except according to the terms contained in the COPYRIGHT file.
// Copyright © 2017 The developers of dpdk. See the COPYRIGHT file in the top-level directory of this distribution and at https://raw.githubusercontent.com/lemonrock/dpdk/master/COPYRIGHT.


pub trait OID
{
	#[inline(always)]
	fn is_null(&self) -> bool;
	
	#[inline(always)]
	fn equals(&self, other: &Self) -> bool;
	
	/// Can be NULL, but only if is_null() is true
	#[inline(always)]
	fn persistentObjectPool(&self) -> *mut PMEMobjpool;
	
	#[inline(always)]
	fn allocatedUsefulSize(&self) -> size_t;
	
	#[inline(always)]
	fn typeNumber(&self) -> TypeNumber;
	
	/// Can be NULL, but only if is_null() is true
	#[inline(always)]
	fn address(&self) -> *mut c_void;
}

impl OID for PMEMoid
{
	#[inline(always)]
	fn is_null(&self) -> bool
	{
		OID_IS_NULL(self)
	}
	
	#[inline(always)]
	fn equals(&self, other: &Self) -> bool
	{
		OID_EQUALS(self, other)
	}
	
	#[inline(always)]
	fn persistentObjectPool(&self) -> *mut PMEMobjpool
	{
		unsafe { pmemobj_pool_by_oid(*self) }
	}
	
	#[inline(always)]
	fn allocatedUsefulSize(&self) -> size_t
	{
		unsafe { pmemobj_alloc_usable_size(*self) }
	}
	
	#[inline(always)]
	fn typeNumber(&self) -> TypeNumber
	{
		unsafe { pmemobj_type_num(*self) }
	}
	
	#[inline(always)]
	fn address(&self) -> *mut c_void
	{
		unsafe { pmemobj_direct(*self) }
	}
}

#[inline(always)]
fn OID_IS_NULL(o: &PMEMoid) -> bool
{
	o.off == 0
}

#[inline(always)]
fn OID_EQUALS(lhs: &PMEMoid, rhs: &PMEMoid) -> bool
{
	lhs.off == rhs.off && lhs.pool_uuid_lo == rhs.pool_uuid_lo
}