} // end of static constructor
public MonitorEventRequest(EdirEventSpecifier[] specifiers) :
base(EventOids.NLDAP_MONITOR_EVENTS_REQUEST, null)
{
if ((specifiers == null))
{
throw new ArgumentException(ExceptionMessages.PARAM_ERROR);
}
MemoryStream encodedData = new MemoryStream();
LBEREncoder encoder = new LBEREncoder();
Asn1Sequence asnSequence = new Asn1Sequence();
try
{
asnSequence.add(new Asn1Integer(specifiers.Length));
Asn1Set asnSet = new Asn1Set();
bool bFiltered = false;
for (int nIndex = 0; nIndex < specifiers.Length; nIndex++)
{
Asn1Sequence specifierSequence = new Asn1Sequence();
specifierSequence.add(new Asn1Integer((int)(specifiers[nIndex].EventType)));
specifierSequence.add(new Asn1Enumerated((int)(specifiers[nIndex].EventResultType)));
if (0 == nIndex)
{
bFiltered = (null != specifiers[nIndex].EventFilter);
if (bFiltered)
setID(EventOids.NLDAP_FILTERED_MONITOR_EVENTS_REQUEST);
}
if (bFiltered)
{
// A filter is expected
if (null == specifiers[nIndex].EventFilter)
throw new ArgumentException("Filter cannot be null,for Filter events");
specifierSequence.add(new Asn1OctetString(specifiers[nIndex].EventFilter));
}
else
{
// No filter is expected
if (null != specifiers[nIndex].EventFilter)
throw new ArgumentException("Filter cannot be specified for non Filter events");
}
asnSet.add(specifierSequence);
}
asnSequence.add(asnSet);
asnSequence.encode(encoder, encodedData);
}
catch(Exception e)
{
throw new LdapException(ExceptionMessages.ENCODING_ERROR,
LdapException.ENCODING_ERROR,
null);
}
setValue(SupportClass.ToSByteArray(encodedData.ToArray()));
} // end of the constructor MonitorEventRequest
public MonitorEventResponse(RfcLdapMessage message)
: base(message)
{
sbyte[] returnedValue = Value;
if (null == returnedValue)
{
throw new LdapException(LdapException.resultCodeToString(ResultCode),
ResultCode,
null);
}
LBERDecoder decoder = new LBERDecoder();
Asn1Sequence sequence = (Asn1Sequence)decoder.decode(returnedValue);
int length = ((Asn1Integer)sequence.get_Renamed(0)).intValue();
Asn1Set sequenceSet = (Asn1Set)sequence.get_Renamed(1);
specifier_list = new EdirEventSpecifier[length];
for (int i = 0; i < length; i++)
{
Asn1Sequence eventspecifiersequence =
(Asn1Sequence)sequenceSet.get_Renamed(i);
int classfication =
((Asn1Integer)eventspecifiersequence.get_Renamed(0)).intValue();
int enumtype =
((Asn1Enumerated)eventspecifiersequence.get_Renamed(1)).intValue();
specifier_list[i] =
new EdirEventSpecifier((EdirEventType)classfication, (EdirEventResultType)enumtype);
}
}
public MonitorEventResponse(RfcLdapMessage message)
: base(message)
{
sbyte[] returnedValue = Value;
if (null == returnedValue)
{
throw new LdapException(LdapException.resultCodeToString(ResultCode),
ResultCode,
null);
}
LBERDecoder decoder = new LBERDecoder();
Asn1Sequence sequence = (Asn1Sequence) decoder.decode(returnedValue);
int length = ((Asn1Integer) sequence.get_Renamed(0)).intValue();
Asn1Set sequenceSet = (Asn1Set) sequence.get_Renamed(1);
specifier_list = new EdirEventSpecifier[length];
for (int i = 0; i < length; i++)
{
Asn1Sequence eventspecifiersequence =
(Asn1Sequence) sequenceSet.get_Renamed(i);
int classfication =
((Asn1Integer) eventspecifiersequence.get_Renamed(0)).intValue();
int enumtype =
((Asn1Enumerated) eventspecifiersequence.get_Renamed(1)).intValue();
specifier_list[i] =
new EdirEventSpecifier((EdirEventType)classfication, (EdirEventResultType)enumtype);
}
}
public EdirEventSource(EdirEventSpecifier[] specifier, LdapConnection conn)
{
if ((null == specifier) || (null == conn))
throw new ArgumentException("Null argument specified");
mRequestOperation = new MonitorEventRequest(specifier);
mConnection = conn;
}
protected void Execute(string ldapHost,
string ldapPort,
string loginDN,
string password)
{
// Connect to the LDAP Server
LdapConnection connection = new LdapConnection();
try
{
connection.Connect(ldapHost, int.Parse(ldapPort));
connection.Bind(loginDN, password);
}
catch(Exception e)
{
Console.WriteLine("Exception occurred: {0}", e.Message);
try
{
connection.Disconnect();
}
catch(Exception e2)
{
}
Environment.Exit(1);
}
Console.WriteLine(STARTING_PROMPT);
EdirEventSpecifier[] specifier = new EdirEventSpecifier[1];
specifier[0] = new EdirEventSpecifier(
EdirEventType.EVT_CREATE_ENTRY,
EdirEventResultType.EVT_STATUS_ALL
//, we could have optionally specified a filter here like "(attributeName=city)"
);
// Make an object of EdirEventSource
EdirEventSource objEventSource = new EdirEventSource(specifier, connection);
// register for events
objEventSource.EdirEvent += new EdirEventSource.EdirEventHandler(MyEdirEventHandler);
// Another listener can be easily added
objEventSource.EdirEvent += new EdirEventSource.EdirEventHandler(MyEdirEventHandler02);
// Add a listener for generic directory event
objEventSource.DirectoryEvent += new EdirEventSource.DirectoryEventHandler(MyDirectoryEventHandler);
// Add a listener for exception event
objEventSource.DirectoryExceptionEvent += new EdirEventSource.DirectoryExceptionEventHandler(MyDirectoryExceptionEventHandler);
string input;
bool bContinue;
do
{
Console.WriteLine(QUIT_PROMPT);
input = Console.ReadLine();
bContinue = (input != null) && !(input.StartsWith("q")) && !( input.StartsWith("Q"));
} while(bContinue);
// time to unregister
objEventSource.EdirEvent -= new EdirEventSource.EdirEventHandler(MyEdirEventHandler);
objEventSource.EdirEvent -= new EdirEventSource.EdirEventHandler(MyEdirEventHandler02);
objEventSource.DirectoryEvent -= new EdirEventSource.DirectoryEventHandler(MyDirectoryEventHandler);
objEventSource.DirectoryExceptionEvent -= new EdirEventSource.DirectoryExceptionEventHandler(MyDirectoryExceptionEventHandler);
// Disconnect
try
{
connection.Disconnect();
}
catch(Exception e)
{
}
}
public static void Main(String[] args)
{
if (args.Length != 3)
{
Console.WriteLine(
"Usage: mono EdirEventSample <host name> <login dn>"
+ " <password> ");
Console.WriteLine(
"Example: mono EdirEventSample Acme.com \"cn=admin,o=Acme\""
+ " secret ");
Environment.Exit(0);
}
int ldapPort = LdapConnection.DEFAULT_PORT;
int ldapVersion = LdapConnection.Ldap_V3;
String ldapHost = args[0];
String loginDN = args[1];
String password = args[2];
LdapResponseQueue queue = null;
LdapConnection lc = new LdapConnection();
try
{
// connect to the server
lc.Connect(ldapHost, ldapPort);
// authenticate to the server
lc.Bind(ldapVersion, loginDN, password);
//Create an Array of EdirEventSpecifier
EdirEventSpecifier[] specifier = new EdirEventSpecifier[1];
//Register for all Add Value events.
specifier[0] =
new EdirEventSpecifier(EdirEventType.EVT_CREATE_ENTRY,
//Generate an Value Event of Type Add Value
EdirEventResultType.EVT_STATUS_ALL
//Generate Event for all status
);
//Create an MonitorEventRequest using the specifiers.
MonitorEventRequest requestoperation =
new MonitorEventRequest(specifier);
//Send the request to server and get the response queue.
queue = lc.ExtendedOperation(requestoperation, null, null);
}
catch (LdapException e)
{
Console.WriteLine("Error: " + e.ToString());
try
{
lc.Disconnect();
}
catch (LdapException e2)
{
Console.WriteLine("Error: " + e2.ToString());
}
Environment.Exit(1);
}
catch (Exception e)
{
Console.WriteLine("Error: " + e.ToString());
}
Console.WriteLine("Monitoring the events for {0} minutes..", TIME_OUT_IN_MINUTES );
Console.WriteLine();
//Set the timeout value
timeOut= DateTime.Now.AddMinutes(TIME_OUT_IN_MINUTES);
try
{
//Monitor till the timeout happens
while (DateTime.Now.CompareTo(timeOut) < 0)
{
if (!checkForAChange(queue))
break;
System.Threading.Thread.Sleep(10);
}
}
catch (System.IO.IOException e)
{
Console.WriteLine(e.Message);
}
catch (System.Threading.ThreadInterruptedException e)
{
Console.WriteLine(e.Message);
}
//disconnect from the server before exiting
try
{
lc.Abandon(queue); //abandon the search
lc.Disconnect();
}
catch (LdapException e)
{
Console.WriteLine();
Console.WriteLine("Error: " + e.ToString());
}
Environment.Exit(0);
}