void SendLogEntry(WmiTraceListener listener,
LogEntry logEntry)
{
ManagementScope scope = new ManagementScope(@"\\." + wmiPath);
scope.Options.EnablePrivileges = true;
StringBuilder sb = new StringBuilder("SELECT * FROM ");
sb.Append("LogEntryV20");
string query = sb.ToString();
EventQuery eq = new EventQuery(query);
using (ManagementEventWatcher watcher = new ManagementEventWatcher(scope, eq))
{
watcher.EventArrived += new EventArrivedEventHandler(watcher_EventArrived);
watcher.Start();
LogSource source = new LogSource("notfromconfig", SourceLevels.All);
source.Listeners.Add(listener);
source.TraceData(TraceEventType.Error, 1, logEntry);
BlockUntilWMIEventArrives();
watcher.Stop();
}
}
public ManagementEventWatcher(ManagementScope scope, EventQuery query, EventWatcherOptions options)
{
if (scope != null)
{
this.scope = ManagementScope._Clone(scope, new IdentifierChangedEventHandler(this.HandleIdentifierChange));
}
else
{
this.scope = ManagementScope._Clone(null, new IdentifierChangedEventHandler(this.HandleIdentifierChange));
}
if (query != null)
{
this.query = (EventQuery) query.Clone();
}
else
{
this.query = new EventQuery();
}
this.query.IdentifierChanged += new IdentifierChangedEventHandler(this.HandleIdentifierChange);
if (options != null)
{
this.options = (EventWatcherOptions) options.Clone();
}
else
{
this.options = new EventWatcherOptions();
}
this.options.IdentifierChanged += new IdentifierChangedEventHandler(this.HandleIdentifierChange);
this.enumWbem = null;
this.cachedCount = 0;
this.cacheIndex = 0;
this.sink = null;
this.delegateInvoker = new WmiDelegateInvoker(this);
}
public Watcher()
{
// look up configurations from the app config file
_logFileName = ConfigurationManager.AppSettings["logFileName"];
_eventType = ConfigurationManager.AppSettings["eventType"];
_eventCode = ConfigurationManager.AppSettings["eventCode"];
_partialPattern = ConfigurationManager.AppSettings["partialPattern"];
_runnable = ConfigurationManager.AppSettings["runnable"];
_query = new EventQuery(String.Format(QueryTemplate, _logFileName, _eventType, _eventCode));
_watcher = CreateWatcher();
}
/// <summary>
///
/// </summary>
///
/// <param name="eventName"></param>
/// <param name="executor"></param>
/// <param name="expected"></param>
///
public void ExecuteWMI(string eventName, WmiEventExecutor executor, string expected)
{
ManagementScope scope = new ManagementScope(@"\\." + WmiPath);
scope.Options.EnablePrivileges = true;
EventQuery query = new EventQuery("select * from " + eventName);
using (ManagementEventWatcher watcher = new ManagementEventWatcher(scope, query))
{
watcher.EventArrived += new EventArrivedEventHandler(EventArrived);
watcher.Start();
executor();
StartRunner();
watcher.Stop();
}
}
public void FireMessageToWMI(string eventName, WmiEventDelegate action, string expected)
{
ManagementScope scope = new ManagementScope(@"\\." + WmiPath);
scope.Options.EnablePrivileges = true;
EventQuery eq = new EventQuery("SELECT * FROM " + eventName);
using (ManagementEventWatcher watcher = new ManagementEventWatcher(scope, eq))
{
watcher.EventArrived += new EventArrivedEventHandler(WatcherEventArrived);
watcher.Start();
action();
WaiUntilWMIEventArrives();
watcher.Stop();
}
Assert.IsTrue(this.wmiLogged);
Assert.IsTrue(this.wmiResult.IndexOf(expected) > -1);
}
static void Main(string[] args)
{
ManagementObjectSearcher processorSearcher = new ManagementObjectSearcher("SELECT * FROM Win32_Processor");
foreach (ManagementObject obj in processorSearcher.Get())
{
Console.WriteLine(obj["Name"]);
Console.WriteLine("{0} / {1}", obj["CurrentClockSpeed"], obj["MaxClockSpeed"]);
}
EventQuery query = new EventQuery();
//query.QueryString = "SELECT * FROM _InstanceModifiationEvent WITHIN 3600 WHERE TargetInstance ISA 'Win32_DiskDrive'";
query.QueryString = "SELECT * FROM __InstanceCreationEvent WITHIN 1 WHERE TargetInstance isa \"Win32_Process\"";
ManagementEventWatcher watcher = new ManagementEventWatcher(query);
watcher.Options.Timeout = new TimeSpan(0, 0, 30);
EventArrivedEventHandler eventArrived = new EventArrivedEventHandler(EventReceived);
watcher.EventArrived += eventArrived;
watcher.Start();
Console.WriteLine("Open an application (notepad.exe) to trigger an event.");
//ManagementBaseObject e = watcher.WaitForNextEvent();
Console.WriteLine("Actually I rewrote this to use events, it will now monitor all application starts until you hit a key...");
ConsoleKeyInfo key;
while (true)
{
key = Console.ReadKey();
if (key.KeyChar.Equals('q'))
break;
}
/*
//Display information from the event
Console.WriteLine("Process {0} has been created, path is: {1}", ((ManagementBaseObject)e["TargetInstance"])["Name"],
((ManagementBaseObject)e["TargetInstance"])["ExecutablePath"]);
*/
watcher.Stop();
}
/// <summary>
/// <para> Initializes a new instance of the <see cref='System.Management.ManagementEventWatcher'/> class
/// that listens for events conforming to the given WMI event query, according to the specified
/// options. For this variant, the query and the scope are specified objects. The
/// options object can specify options such as timeout and context information.</para>
/// </summary>
/// <param name='scope'>A <see cref='System.Management.ManagementScope'/> object representing the scope (namespace) in which the watcher will listen for events.</param>
/// <param name=' query'>An <see cref='System.Management.EventQuery'/> object representing a WMI event query, which determines the events for which the watcher will listen.</param>
/// <param name='options'>An <see cref='System.Management.EventWatcherOptions'/> object representing additional options used to watch for events. </param>
public ManagementEventWatcher(
ManagementScope scope,
EventQuery query,
EventWatcherOptions options)
{
if (null != scope)
{
this.scope = ManagementScope._Clone(scope, new IdentifierChangedEventHandler(HandleIdentifierChange));
}
else
{
this.scope = ManagementScope._Clone(null, new IdentifierChangedEventHandler(HandleIdentifierChange));
}
if (null != query)
{
this.query = (EventQuery)query.Clone();
}
else
{
this.query = new EventQuery();
}
this.query.IdentifierChanged += new IdentifierChangedEventHandler(HandleIdentifierChange);
if (null != options)
{
this.options = (EventWatcherOptions)options.Clone();
}
else
{
this.options = new EventWatcherOptions();
}
this.options.IdentifierChanged += new IdentifierChangedEventHandler(HandleIdentifierChange);
enumWbem = null;
cachedCount = 0;
cacheIndex = 0;
sink = null;
delegateInvoker = new WmiDelegateInvoker(this);
}
/// <summary>
/// <para>Creates a new watcher that will listen for events conforming to the given WMI
/// event query, in the given WMI scope, and according to the specified options. For
/// this variant the query and the scope are specified objects. The options object
/// specifies options such as a timeout and possibly context information.</para>
/// </summary>
public ManagementEventWatcher(
ManagementScope scope,
EventQuery query,
EventWatcherOptions options)
{
if (null != scope)
{
Scope = scope;
}
else
{
Scope = new ManagementScope();
}
if (null != query)
{
Query = query;
}
else
{
Query = new EventQuery();
}
if (null != options)
{
Options = options;
}
else
{
Options = new EventWatcherOptions();
}
enumWbem = null;
cachedCount = 0;
cacheIndex = 0;
sink = null;
delegateInvoker = new WmiDelegateInvoker(this);
}
public void TestLoggingAInheritedCustomEntry()
{
ManagementScope scope = new ManagementScope(@"\\." + this.wmiPath);
scope.Options.EnablePrivileges = true;
string query = "SELECT * FROM MyInheritedCustomLogEntry";
EventQuery eq = new EventQuery(query);
using (ManagementEventWatcher watcher = new ManagementEventWatcher(scope, eq))
{
watcher.EventArrived += new EventArrivedEventHandler(watcher_EventArrived);
watcher.Start();
this.sink.SendMessage(GetCustomLogEntry());
BlockUntilWMIEventArrives();
watcher.Stop();
}
Assert.IsTrue(this.wmiLogged);
Assert.IsTrue(this.wmiResult.IndexOf(CommonUtil.MsgBody) > -1);
}
public MainWindow()
{
InitializeComponent();
try
{
EventQuery eventQuery = new EventQuery();
eventQuery.QueryString = string.Format("SELECT * FROM __InstanceModificationEvent within 2 WHERE targetinstance isa 'Win32_Service' and targetinstance.name = '{0}'", ServiceName);
EventWatcher = new ManagementEventWatcher(eventQuery);
EventWatcher.Options.Timeout = new TimeSpan(1, 0, 0);
EventWatcher.EventArrived += new EventArrivedEventHandler(eventWatcher_EventArrived);
EventWatcher.Start();
ServiceController = new ServiceController();
ServiceController.ServiceName = ServiceName;
lblServiceStatus.Content = ServiceController.Status.ToString();
if (ServiceController.Status == ServiceControllerStatus.Running)
{
WindowsServiceReference = new SettingsServiceClient();
lblCurrentOutputMessage.Content = WindowsServiceReference.GetOutputMessage();
}
changeBtnState();
}
catch (Exception ex)
{
lblError.Content = ex.Message;
btnStartService.IsEnabled = false;
btnStopService.IsEnabled = false;
btnRestartService.IsEnabled = false;
txtNewOutputMessage.IsEnabled = false;
btnChangeOutputMessage.IsEnabled = false;
}
}
public override object ConvertTo(ITypeDescriptorContext context, CultureInfo culture, object value, Type destinationType)
{
if (destinationType != null)
{
if (value as EventQuery != null && destinationType == typeof(InstanceDescriptor))
{
EventQuery eventQuery = (EventQuery)value;
Type[] typeArray = new Type[1];
typeArray[0] = typeof(string);
ConstructorInfo constructor = typeof(EventQuery).GetConstructor(typeArray);
if (constructor != null)
{
object[] queryString = new object[1];
queryString[0] = eventQuery.QueryString;
return(new InstanceDescriptor(constructor, queryString));
}
}
if (value as ObjectQuery != null && destinationType == typeof(InstanceDescriptor))
{
ObjectQuery objectQuery = (ObjectQuery)value;
Type[] typeArray1 = new Type[1];
typeArray1[0] = typeof(string);
ConstructorInfo constructorInfo = typeof(ObjectQuery).GetConstructor(typeArray1);
if (constructorInfo != null)
{
object[] objArray = new object[1];
objArray[0] = objectQuery.QueryString;
return(new InstanceDescriptor(constructorInfo, objArray));
}
}
return(base.ConvertTo(context, culture, value, destinationType));
}
else
{
throw new ArgumentNullException("destinationType");
}
}
public ManagementEventWatcher (ManagementScope scope, EventQuery query, EventWatcherOptions options)
{
throw new NotImplementedException ();
}
/// <summary>
/// <para> Initializes a new instance of the <see cref='System.Management.ManagementEventWatcher'/>
/// class that listens for events conforming to the given WMI event query.</para>
/// </summary>
/// <param name='scope'>A <see cref='System.Management.ManagementScope'/> object representing the scope (namespace) in which the watcher will listen for events.</param>
/// <param name=' query'>An <see cref='System.Management.EventQuery'/> object representing a WMI event query, which determines the events for which the watcher will listen.</param>
public ManagementEventWatcher(
ManagementScope scope,
EventQuery query) : this(scope, query, null)
{
}
//parameterized constructors
/// <summary>
/// <para>Initializes a new instance of the <see cref='System.Management.ManagementEventWatcher'/> class when given a WMI event query.</para>
/// </summary>
/// <param name='query'>An <see cref='System.Management.EventQuery'/> object representing a WMI event query, which determines the events for which the watcher will listen.</param>
/// <remarks>
/// <para>The namespace in which the watcher will be listening for
/// events is the default namespace that is currently set.</para>
/// </remarks>
public ManagementEventWatcher(
EventQuery query) : this(null, query, null)
{
}
public ManagementEventWatcher(ManagementScope scope, EventQuery query, EventWatcherOptions options)
{
throw new NotImplementedException();
}
public ManagementEventWatcher(ManagementScope scope, EventQuery query)
: this(scope, query, new EventWatcherOptions())
{
}
public static int RunCommand(string machineName, string commandLine, TimeSpan timeout, bool throwOnTimeout = false)
{
var connOptions = new ConnectionOptions { EnablePrivileges = true };
var scope = new ManagementScope(@"\\{0}\root\cimv2".FormatWith(machineName), connOptions);
scope.Connect();
using (var processClass = new ManagementClass(scope, new ManagementPath("Win32_Process"), new ObjectGetOptions()))
using (var exitEvent = new AutoResetEvent(false))
{
var query = new EventQuery("SELECT * FROM Win32_ProcessStopTrace");
var watcher = new ManagementEventWatcher(scope, query) { Options = { Timeout = timeout + TimeSpan.FromSeconds(10) } };
var exitCodes = new Dictionary<int, int>();
watcher.EventArrived += (sender, args) =>
{
var id = Convert.ToInt32(args.NewEvent["ProcessID"]);
var exitCode = Convert.ToInt32(args.NewEvent["ExitStatus"]);
lock (exitCodes)
exitCodes[id] = exitCode;
exitEvent.Set();
};
var inParams = processClass.GetMethodParameters("Create");
inParams["CommandLine"] = commandLine;
watcher.Start();
var exitStopwatch = Stopwatch.StartNew();
var outParams = processClass.InvokeMethod("Create", inParams, null);
var returnCode = Convert.ToUInt32(outParams["returnValue"]);
switch ((CreateProcessResult)returnCode)
{
case CreateProcessResult.Success: break;
case CreateProcessResult.AccessDenied: throw new WmiCreateProcessException("Failed to create remote process, access was denied.");
case CreateProcessResult.InsufficentPrivileges: throw new WmiCreateProcessException("Failed to create remote process, the credentials used have insufficient privileges.");
case CreateProcessResult.PathNotFound: throw new WmiCreateProcessException(@"Failed to create remote process, the path to the specified executable could not be found. To run shell commands, use ""cmd /c <command>"".");
case CreateProcessResult.InvalidParameter: throw new WmiCreateProcessException("Failed to create remote process, an invalid parameter was specified.");
default: throw new WmiCreateProcessException(string.Format("Failed to create process, and unknown error has occurred (return code {0}).", returnCode));
}
var pid = Convert.ToInt32(outParams["processId"]);
if (pid == 0)
return 0;
Logging.Coarse("[wmi] Waiting for pid '{0}' to exit...", pid);
while (true)
{
if (exitStopwatch.Elapsed >= timeout)
{
Logging.Warn("[wmi] Tried waiting for '{0}', pid '{1}' still alive - operation timed out.", exitStopwatch.Elapsed, pid);
if (throwOnTimeout)
throw new TimeoutException(string.Format("Remote process '{0}' on machine '{1}' did not exit after the specified timeout of {2}", pid, machineName, timeout));
return 1; // TODO: This causes the task to fail, rendering throwOnTimeout meaningless
}
if (exitStopwatch.Elapsed >= TimeSpan.FromSeconds(10))
Logging.Coarse("[wmi] Still waiting for pid '{0}' to exit...", pid);
exitEvent.WaitOne(TimeSpan.FromSeconds(10));
int? exitCode = null;
lock (exitCodes)
{
if (exitCodes.ContainsKey(pid))
exitCode = exitCodes[pid];
}
if (exitCode != null)
{
watcher.Stop();
Logging.Coarse("[wmi] Pid '{0}' exited with code '{1}' after {2}", pid, exitCode, exitStopwatch.Elapsed);
return exitCodes[pid];
}
}
}
}
/// <summary>
/// <para> Initializes a new instance of the <see cref='System.Management.ManagementEventWatcher'/>
/// class that listens for events conforming to the given WMI event query.</para>
/// </summary>
/// <param name='scope'>A <see cref='System.Management.ManagementScope'/> object representing the scope (namespace) in which the watcher will listen for events.</param>
/// <param name=' query'>An <see cref='System.Management.EventQuery'/> object representing a WMI event query, which determines the events for which the watcher will listen.</param>
public ManagementEventWatcher(
ManagementScope scope,
EventQuery query) : this(scope, query, null) {}
/// <summary>
/// <para> Initializes a new instance of the <see cref='System.Management.ManagementEventWatcher'/> class
/// that listens for events conforming to the given WMI event query, according to the specified
/// options. For this variant, the query and the scope are specified objects. The
/// options object can specify options such as timeout and context information.</para>
/// </summary>
/// <param name='scope'>A <see cref='System.Management.ManagementScope'/> object representing the scope (namespace) in which the watcher will listen for events.</param>
/// <param name=' query'>An <see cref='System.Management.EventQuery'/> object representing a WMI event query, which determines the events for which the watcher will listen.</param>
/// <param name='options'>An <see cref='System.Management.EventWatcherOptions'/> object representing additional options used to watch for events. </param>
public ManagementEventWatcher(
ManagementScope scope,
EventQuery query,
EventWatcherOptions options)
{
if (null != scope)
this.scope = ManagementScope._Clone(scope, new IdentifierChangedEventHandler(HandleIdentifierChange));
else
this.scope = ManagementScope._Clone(null, new IdentifierChangedEventHandler(HandleIdentifierChange));
if (null != query)
this.query = (EventQuery)query.Clone();
else
this.query = new EventQuery();
this.query.IdentifierChanged += new IdentifierChangedEventHandler(HandleIdentifierChange);
if (null != options)
this.options = (EventWatcherOptions)options.Clone();
else
this.options = new EventWatcherOptions();
this.options.IdentifierChanged += new IdentifierChangedEventHandler(HandleIdentifierChange);
enumWbem = null;
cachedCount = 0;
cacheIndex = 0;
sink = null;
delegateInvoker = new WmiDelegateInvoker (this);
}
public USBAddedOrRemovedEventWatcher(IUSBAddedOrRemoved parent, ManagementScope scope, EventQuery query)
: base(scope, query)
{
this.parent = parent;
}
public ManagementEventWatcher (ManagementScope scope, EventQuery query)
: this (scope, query, new EventWatcherOptions ())
{
}
public ManagementEventWatcher (EventQuery query)
: this (null, query)
{
}
