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Initial project's source code check-in.

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ptsurbeleu 2011-07-13 16:07:32 -07:00
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WebsitePanel/Sources/WebsitePanel.Providers.Virtualization.HyperV/Wmi.cs Normal file
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// Copyright (c) 2011, Outercurve Foundation.
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without modification,
// are permitted provided that the following conditions are met:
//
// - Redistributions of source code must retain the above copyright notice, this
// list of conditions and the following disclaimer.
//
// - Redistributions in binary form must reproduce the above copyright notice,
// this list of conditions and the following disclaimer in the documentation
// and/or other materials provided with the distribution.
//
// - Neither the name of the Outercurve Foundation nor the names of its
// contributors may be used to endorse or promote products derived from this
// software without specific prior written permission.
//
// 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 MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
// DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
// ANY DIRECT, INDIRECT, INCIDENTAL, 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 DAMAGE.
using System;
using System.Collections.Generic;
using System.Text;
using System.Management;
using System.Diagnostics;
namespace WebsitePanel.Providers.Virtualization
{
internal class Wmi
{
string nameSpace = null;
string computerName = null;
ManagementScope scope = null;
public Wmi(string nameSpace) : this(nameSpace, null)
{
}
public Wmi(string computerName, string nameSpace)
{
this.nameSpace = nameSpace;
this.computerName = computerName;
}
internal ManagementObjectCollection ExecuteWmiQuery(string query, params object[] args)
{
if (args != null && args.Length > 0)
query = String.Format(query, args);
ManagementObjectSearcher searcher = new ManagementObjectSearcher(GetScope(),
new ObjectQuery(query));
return searcher.Get();
}
internal ManagementObject GetWmiObject(string className, string filter, params object[] args)
{
ManagementObjectCollection col = GetWmiObjects(className, filter, args);
ManagementObjectCollection.ManagementObjectEnumerator enumerator = col.GetEnumerator();
return enumerator.MoveNext() ? (ManagementObject)enumerator.Current : null;
}
internal ManagementObject GetWmiObject(string className)
{
return GetWmiObject(className, null);
}
internal ManagementObjectCollection GetWmiObjects(string className, string filter, params object[] args)
{
string query = "select * from " + className;
if (!String.IsNullOrEmpty(filter))
query += " where " + filter;
return ExecuteWmiQuery(query, args);
}
internal ManagementObjectCollection GetWmiObjects(string className)
{
return GetWmiObjects(className, null);
}
internal ManagementObject GetWmiObjectByPath(string path)
{
return new ManagementObject(GetScope(), new ManagementPath(path), null);
}
internal ManagementClass GetWmiClass(string className)
{
return new ManagementClass(GetScope(), new ManagementPath(className), null);
}
internal ManagementObject GetRelatedWmiObject(ManagementObject obj, string className)
{
ManagementObjectCollection col = obj.GetRelated(className);
ManagementObjectCollection.ManagementObjectEnumerator enumerator = col.GetEnumerator();
enumerator.MoveNext();
return (ManagementObject)enumerator.Current;
}
internal void Dump(ManagementBaseObject obj)
{
#if DEBUG
foreach (PropertyData prop in obj.Properties)
{
string typeName = prop.Value == null ? "null" : prop.Value.GetType().ToString();
Debug.WriteLine(prop.Name + ": " + prop.Value + " (" + typeName + ")");
}
#endif
}
// Converts a given datetime in DMTF format to System.DateTime object.
internal System.DateTime ToDateTime(string dmtfDate)
{
System.DateTime initializer = System.DateTime.MinValue;
int year = initializer.Year;
int month = initializer.Month;
int day = initializer.Day;
int hour = initializer.Hour;
int minute = initializer.Minute;
int second = initializer.Second;
long ticks = 0;
string dmtf = dmtfDate;
System.DateTime datetime = System.DateTime.MinValue;
string tempString = string.Empty;
if (String.IsNullOrEmpty(dmtf))
{
return DateTime.MinValue;
}
else if ((dmtf.Length != 25))
{
throw new System.ArgumentOutOfRangeException();
}
try
{
tempString = dmtf.Substring(0, 4);
if (("****" != tempString))
{
year = int.Parse(tempString);
}
tempString = dmtf.Substring(4, 2);
if (("**" != tempString))
{
month = int.Parse(tempString);
}
tempString = dmtf.Substring(6, 2);
if (("**" != tempString))
{
day = int.Parse(tempString);
}
tempString = dmtf.Substring(8, 2);
if (("**" != tempString))
{
hour = int.Parse(tempString);
}
tempString = dmtf.Substring(10, 2);
if (("**" != tempString))
{
minute = int.Parse(tempString);
}
tempString = dmtf.Substring(12, 2);
if (("**" != tempString))
{
second = int.Parse(tempString);
}
tempString = dmtf.Substring(15, 6);
if (("******" != tempString))
{
ticks = (long.Parse(tempString) * ((long)((System.TimeSpan.TicksPerMillisecond / 1000))));
}
if (((((((((year < 0)
|| (month < 0))
|| (day < 0))
|| (hour < 0))
|| (minute < 0))
|| (minute < 0))
|| (second < 0))
|| (ticks < 0)))
{
throw new System.ArgumentOutOfRangeException();
}
}
catch (System.Exception e)
{
throw new System.ArgumentOutOfRangeException(null, e.Message);
}
if (year == 0
&& month == 0
&& day == 0
&& hour == 0
&& minute == 0
&& second == 0
&& ticks == 0)
return DateTime.MinValue;
datetime = new System.DateTime(year, month, day, hour, minute, second, 0);
datetime = datetime.AddTicks(ticks);
System.TimeSpan tickOffset = System.TimeZone.CurrentTimeZone.GetUtcOffset(datetime);
int UTCOffset = 0;
int OffsetToBeAdjusted = 0;
long OffsetMins = ((long)((tickOffset.Ticks / System.TimeSpan.TicksPerMinute)));
tempString = dmtf.Substring(22, 3);
if ((tempString != "******"))
{
tempString = dmtf.Substring(21, 4);
try
{
UTCOffset = int.Parse(tempString);
}
catch (System.Exception e)
{
throw new System.ArgumentOutOfRangeException(null, e.Message);
}
OffsetToBeAdjusted = ((int)((OffsetMins - UTCOffset)));
datetime = datetime.AddMinutes(((double)(OffsetToBeAdjusted)));
}
return datetime;
}
// Converts a given System.DateTime object to DMTF datetime format.
internal string ToDmtfDateTime(System.DateTime date)
{
string utcString = string.Empty;
System.TimeSpan tickOffset = System.TimeZone.CurrentTimeZone.GetUtcOffset(date);
long OffsetMins = ((long)((tickOffset.Ticks / System.TimeSpan.TicksPerMinute)));
if ((System.Math.Abs(OffsetMins) > 999))
{
date = date.ToUniversalTime();
utcString = "+000";
}
else
{
if ((tickOffset.Ticks >= 0))
{
utcString = string.Concat("+", ((System.Int64)((tickOffset.Ticks / System.TimeSpan.TicksPerMinute))).ToString().PadLeft(3, '0'));
}
else
{
string strTemp = ((System.Int64)(OffsetMins)).ToString();
utcString = string.Concat("-", strTemp.Substring(1, (strTemp.Length - 1)).PadLeft(3, '0'));
}
}
string dmtfDateTime = ((System.Int32)(date.Year)).ToString().PadLeft(4, '0');
dmtfDateTime = string.Concat(dmtfDateTime, ((System.Int32)(date.Month)).ToString().PadLeft(2, '0'));
dmtfDateTime = string.Concat(dmtfDateTime, ((System.Int32)(date.Day)).ToString().PadLeft(2, '0'));
dmtfDateTime = string.Concat(dmtfDateTime, ((System.Int32)(date.Hour)).ToString().PadLeft(2, '0'));
dmtfDateTime = string.Concat(dmtfDateTime, ((System.Int32)(date.Minute)).ToString().PadLeft(2, '0'));
dmtfDateTime = string.Concat(dmtfDateTime, ((System.Int32)(date.Second)).ToString().PadLeft(2, '0'));
dmtfDateTime = string.Concat(dmtfDateTime, ".");
System.DateTime dtTemp = new System.DateTime(date.Year, date.Month, date.Day, date.Hour, date.Minute, date.Second, 0);
long microsec = ((long)((((date.Ticks - dtTemp.Ticks)
* 1000)
/ System.TimeSpan.TicksPerMillisecond)));
string strMicrosec = ((System.Int64)(microsec)).ToString();
if ((strMicrosec.Length > 6))
{
strMicrosec = strMicrosec.Substring(0, 6);
}
dmtfDateTime = string.Concat(dmtfDateTime, strMicrosec.PadLeft(6, '0'));
dmtfDateTime = string.Concat(dmtfDateTime, utcString);
return dmtfDateTime;
}
public ManagementScope GetScope()
{
if (scope != null)
return scope;
// create new scope
if (String.IsNullOrEmpty(computerName))
{
// local
scope = new ManagementScope(nameSpace);
}
else
{
// remote
ConnectionOptions options = new ConnectionOptions();
string path = String.Format(@"\\{0}\{1}", computerName, nameSpace);
scope = new ManagementScope(path, options);
}
// connect
scope.Connect();
return scope;
}
}
}