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// AprSharp, a wrapper library around the Apache Portable Runtime Library |
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#region Copyright (C) 2004 SOFTEC sa. |
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// |
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// This library is free software; you can redistribute it and/or |
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// modify it under the terms of the GNU Lesser General Public |
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// License as published by the Free Software Foundation; either |
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// version 2.1 of the License, or (at your option) any later version. |
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// |
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// This library is distributed in the hope that it will be useful, |
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// but WITHOUT ANY WARRANTY; without even the implied warranty of |
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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// Lesser General Public License for more details. |
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// |
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// You should have received a copy of the GNU Lesser General Public |
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// License along with this library; if not, write to the Free Software |
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// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
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// |
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// Sources, support options and lastest version of the complete library |
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// is available from: |
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// http://www.softec.st/AprSharp |
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// |
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// |
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// Initial authors : |
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// Denis Gervalle |
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// Olivier Desaive |
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#endregion |
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// |
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using System; |
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using System.Diagnostics; |
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|
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namespace Softec.AprSharp |
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{ |
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///<summary>Embeds an opaque apr_allocator</summary> |
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public struct AprAllocator : IAprUnmanaged |
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{ |
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private IntPtr mAllocator; |
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#region Generic embedding functions of an IntPtr |
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public AprAllocator(IntPtr ptr) |
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{ |
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mAllocator = ptr; |
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} |
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|
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public bool IsNull |
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{ |
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get |
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{ |
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return( mAllocator == IntPtr.Zero ); |
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} |
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} |
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private void CheckPtr() |
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{ |
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if( IsNull ) |
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throw new AprNullReferenceException(); |
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} |
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|
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public void ClearPtr() |
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{ |
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mAllocator = IntPtr.Zero; |
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} |
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public IntPtr ToIntPtr() |
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{ |
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return mAllocator; |
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} |
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public bool ReferenceEquals(IAprUnmanaged obj) |
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{ |
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return(obj.ToIntPtr() == ToIntPtr()); |
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} |
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public static implicit operator IntPtr(AprAllocator allocator) |
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{ |
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return allocator.mAllocator; |
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} |
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public static implicit operator AprAllocator(IntPtr ptr) |
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{ |
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return new AprAllocator(ptr); |
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} |
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public override string ToString() |
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{ |
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return("[apr_allocator_t:"+mAllocator.ToInt32().ToString("X")+"]"); |
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} |
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#endregion |
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|
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#region Wrapper methods |
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public static AprAllocator Create() |
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{ |
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IntPtr ptr; |
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Debug.Write("apr_allocator_create..."); |
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int res = Apr.apr_allocator_create(out ptr); |
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if(res != 0 ) |
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throw new AprException(res); |
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Debug.WriteLine(String.Format("Done({0:X})",(Int32)ptr)); |
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return((AprAllocator) ptr); |
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} |
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public void Destroy() |
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{ |
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CheckPtr(); |
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Debug.Write(String.Format("apr_allocator_destroy({0:X})...",(Int32)mAllocator)); |
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Apr.apr_allocator_destroy(mAllocator); |
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Debug.WriteLine("Done"); |
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ClearPtr(); |
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} |
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public AprMemNode Alloc(int size) |
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{ |
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return(Alloc(unchecked((uint)size))); |
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} |
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[CLSCompliant(false)] |
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public AprMemNode Alloc(uint size) |
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{ |
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CheckPtr(); |
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Debug.WriteLine(String.Format("apr_allocator_alloc({0:X},{1})",mAllocator.ToInt32(),size)); |
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return(new AprMemNode(Apr.apr_allocator_alloc(mAllocator,size))); |
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} |
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public void Free(AprMemNode memnode) |
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{ |
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CheckPtr(); |
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Debug.Write(String.Format("apr_allocator_free({0:X},{1:X})...",mAllocator.ToInt32(),(Int32)((IntPtr)memnode))); |
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Apr.apr_allocator_free(mAllocator,memnode); |
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Debug.WriteLine("Done"); |
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} |
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#endregion |
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#region Wrapper Properties |
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public AprPool Owner |
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{ |
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get { |
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Debug.WriteLine(String.Format("apr_allocator_owner_get({0:X})",mAllocator.ToInt32())); |
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return(Apr.apr_allocator_owner_get(mAllocator)); |
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} |
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set { |
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Debug.Write(String.Format("apr_allocator_owner_set({0:X},{1})...",mAllocator.ToInt32(),value)); |
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Apr.apr_allocator_owner_set(mAllocator,value); |
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Debug.WriteLine("Done"); |
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} |
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} |
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public AprThreadMutex Mutex |
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{ |
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get { |
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Debug.WriteLine(String.Format("apr_allocator_mutex_get({0:X})",mAllocator.ToInt32())); |
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return(Apr.apr_allocator_mutex_get(mAllocator)); |
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} |
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set { |
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Debug.Write(String.Format("apr_allocator_mutex_set({0:X},{1})...",mAllocator.ToInt32(),value)); |
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Apr.apr_allocator_mutex_set(mAllocator,value); |
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Debug.WriteLine("Done"); |
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} |
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} |
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public int MaxFree |
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{ |
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set |
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{ |
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NativeMaxFree = unchecked((uint)value); |
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} |
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} |
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[CLSCompliant(false)] |
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public uint NativeMaxFree |
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{ |
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set |
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{ |
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Apr.apr_allocator_max_free_set(mAllocator, value); |
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} |
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} |
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#endregion |
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} |
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} |
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