<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> <HTML><HEAD> <META content=text/html;charset=gb2312 http-equiv=Content-Type> <META name=GENERATOR content="MSHTML 9.00.7930.16406"><LINK rel=stylesheet href="BLOCKQUOTE{margin-Top: 0px; margin-Bottom: 0px; margin-Left: 2em}"></HEAD> <BODY style="MARGIN: 10px; PADDING-LEFT: 10px; PADDING-RIGHT: 10px; FONT-FAMILY: verdana; FONT-SIZE: 10pt; PADDING-TOP: 15px" id=MailContainerBody leftMargin=0 topMargin=0 CanvasTabStop="true" name="Compose message area"> <DIV>Okay, the NodeInfo structure must be marshled in this way to make it works :</DIV> <DIV> </DIV> <DIV> /// <summary> /// Structure to handle node informations /// </summary> [StructLayout(LayoutKind.Sequential)] public class NodeInfo { /// <summary> /// String indicating the CPU model. /// </summary> [MarshalAs(UnmanagedType.ByValTStr, SizeConst = 32)] public string model; /// <summary> /// Memory size in kilobytes /// </summary> [MarshalAs(UnmanagedType.SysUInt)] public UIntPtr memory; /// <summary> /// The number of active CPUs. /// </summary> [MarshalAs(UnmanagedType.SysUInt)] public UIntPtr cpus; /// <summary> /// Expected CPU frequency. /// </summary> [MarshalAs(UnmanagedType.SysUInt)] public UIntPtr mhz; /// <summary> /// The number of NUMA cell, 1 for uniform mem access. /// </summary> [MarshalAs(UnmanagedType.SysUInt)] public UIntPtr nodes; /// <summary> /// Number of CPU socket per node. /// </summary> [MarshalAs(UnmanagedType.SysUInt)] public UIntPtr sockets; /// <summary> /// Number of core per socket. /// </summary> [MarshalAs(UnmanagedType.SysUInt)] public UIntPtr cores; /// <summary> /// Number of threads per core. /// </summary> [MarshalAs(UnmanagedType.SysUInt)] public UIntPtr threads; } I will put it in next patches. Cheers, Arnaud</DIV> <DIV style="FONT: 10pt Tahoma"> <DIV> </DIV> <DIV style="BACKGROUND: #f5f5f5"> <DIV style="font-color: black">From: <A title=arnaud.champion@devatom.fr href="mailto:arnaud.champion@devatom.fr">arnaud.champion@devatom.fr</A> </DIV> <DIV>Sent: Sunday, October 31, 2010 9:47 AM</DIV> <DIV>To: <A title=lancerhuang@163.com href="mailto:lancerhuang@163.com">��</A> </DIV> <DIV>Cc: <A title=libvir-list@redhat.com href="mailto:libvir-list@redhat.com">libvir-list@redhat.com</A> </DIV> <DIV>Subject: Re: [libvirt] Node.GetInfo error</DIV></DIV></DIV> <DIV> </DIV> <DIV>Ok,</DIV> <DIV> </DIV> <DIV>at first GetLastError return an Error object. So you should anything like :</DIV> <DIV> </DIV> <DIV>Errors.Error err = Errors.GetLastError();</DIV> <DIV>MessageBox.Show(err.Message);</DIV> <DIV> </DIV> <DIV>For the NodeInfo structure, I think the problem is the same that was for DomainInfo, I'll check marshaling. Then respond you with the correct infos.</DIV> <DIV> </DIV> <DIV>Arnaud</DIV> <DIV> </DIV> <DIV>PS : can you also put <A href="mailto:libvirt-list@redhat.com">libvirt-list@redhat.com</A> in copy of your mails, to keep everyone in the loop ?</DIV> <DIV style="FONT: 10pt Tahoma"> <DIV> </DIV> <DIV style="BACKGROUND: #f5f5f5"> <DIV style="font-color: black">From: <A title=lancerhuang@163.com href="mailto:lancerhuang@163.com">��</A> </DIV> <DIV>Sent: Sunday, October 31, 2010 8:20 AM</DIV> <DIV>To: <A title=arnaud.champion@devatom.fr href="mailto:arnaud.champion@devatom.fr">arnaud.champion</A> </DIV> <DIV>Subject: Node.GetInfo error</DIV></DIV></DIV> <DIV> </DIV> <DIV>Hi,</DIV> <DIV> </DIV> <DIV>Sorry for disturbing again. But I get error while using Node.GetInfo.</DIV> <DIV> </DIV> <DIV>Code:</DIV> <DIV> </DIV> <DIV> <DIV>NodeInfo aNodeInfo = new NodeInfo();</DIV> <DIV>if (Node.GetInfo(con, aNodeInfo) < 0)</DIV> <DIV>{</DIV> <DIV>//MessageBox.Show("Node Info Error");</DIV> <DIV>MessageBox.Show(Errors.GetLastError().ToString());</DIV> <DIV>return 0f;</DIV> <DIV>}</DIV> <DIV> </DIV> <DIV>I'm sure con != IntPtr.Zero. I tried to use Errors.GetLastError(), it returns int. But I don't know what to do with it.</DIV> <DIV>So, any suggestions ? Thanks </DIV> <DIV> </DIV> <DIV>Regards</DIV></DIV> <DIV align=left>2010-10-31 </DIV> <HR style="WIDTH: 122px; HEIGHT: 2px" align=left SIZE=2> <DIV>Lancer </DIV> <HR> -- libvir-list mailing list libvir-list@redhat.com https://www.redhat.com/mailman/listinfo/libvir-list</BODY></HTML>