/// <summary>
/// Gets the SIF_ZoneStatus object
/// </summary>
private void GetZoneStatus()
{
Console.WriteLine();
Console.WriteLine("Requesting SIF_ZoneStatus from all zones...");
// Determine if the synchronous SIF_GetZoneStatus method can be used
Query zoneStatusQuery = new Query(InfraDTD.SIF_ZONESTATUS);
zoneStatusQuery.AddFieldRestriction(InfraDTD.SIF_ZONESTATUS_SIF_PROVIDERS);
zoneStatusQuery.UserData = fSessionId;
foreach (IZone zone in ZoneFactory.GetAllZones())
{
if (zone.Properties.UseZoneStatusSystemControl)
{
SIF_ZoneStatus zs = zone.GetZoneStatus();
_processSIF_ZoneStatus(zs, zone);
}
else
{
// Just create a SIF_Request and it will be handled by the
// OnQueryResults method
zone.Query(zoneStatusQuery);
}
}
}
/// <summary> Initialize and start the agent
/// </summary>
/// <param name="args">Command-line arguments (run with no arguments to display help)
/// </param>
public virtual void StartAgent(string[] args)
{
Console.WriteLine("Initializing agent...");
// Read the configuration file
fCfg = new AgentConfig();
Console.Out.WriteLine("Reading configuration file...");
fCfg.Read("agent.cfg", false);
// Override the SourceId passed to the constructor with the SourceId
// specified in the configuration file
Id = fCfg.SourceId;
// Inform the ADK of the version of SIF specified in the sifVersion=
// attribute of the <agent> element
SifVersion version = fCfg.Version;
Adk.SifVersion = version;
// Now call the superclass initialize once the configuration file has been read
base.Initialize();
// Ask the AgentConfig instance to "apply" all configuration settings
// to this Agent; for example, all <property> elements that are children
// of the root <agent> node are parsed and applied to this Agent's
// AgentProperties object; all <zone> elements are parsed and registered
// with the Agent's ZoneFactory, and so on.
//
fCfg.Apply(this, true);
// Create the logging object
fLogger = new ObjectLogger(this);
// Now, connect to all zones and just get the zone status
foreach (IZone zone in ZoneFactory.GetAllZones())
{
if (getChameleonProperty(zone, "logRaw", false))
{
zone.Properties.KeepMessageContent = true;
zone.AddMessagingListener(fLogger);
// Set this class as the recipient of all SIF_ZoneStatus
// query results
zone.SetQueryResults(this, InfraDTD.SIF_ZONESTATUS);
}
// Provision the logger class to log all QueryResults
zone.Connect(ProvisioningFlags.Register);
}
// On a seperate thread, go through the exercise of getting the
// SIF_ZoneStatus object from all zones
AsyncUtils.QueueTaskToThreadPool(new SimpleMethod(GetZoneStatus));
}
/// <summary> Initialize and start the agent
/// </summary>
/// <param name="args">Command-line arguments (run with no arguments to display help)
/// </param>
public virtual void StartAgent(string[] args)
{
Console.WriteLine("Initializing agent...");
// Read the configuration file
fCfg = new AgentConfig();
Console.Out.WriteLine("Reading configuration file...");
fCfg.Read("agent.cfg", false);
// Override the SourceId passed to the constructor with the SourceId
// specified in the configuration file
Id = fCfg.SourceId;
// Inform the ADK of the version of SIF specified in the sifVersion=
// attribute of the <agent> element
SifVersion version = fCfg.Version;
Adk.SifVersion = version;
// Now call the superclass initialize once the configuration file has been read
base.Initialize();
// Ask the AgentConfig instance to "apply" all configuration settings
// to this Agent; for example, all <property> elements that are children
// of the root <agent> node are parsed and applied to this Agent's
// AgentProperties object; all <zone> elements are parsed and registered
// with the Agent's ZoneFactory, and so on.
//
fCfg.Apply(this, true);
// Create the logging object
fLogger = new ObjectLogger(this);
Query zoneQuery = new Query(InfraDTD.SIF_ZONESTATUS);
zoneQuery.AddFieldRestriction(InfraDTD.SIF_ZONESTATUS_SIF_PROVIDERS);
//zoneQuery.AddFieldRestriction( SifDtd.SIF_ZONESTATUS_SIF_SIFNODES );
zoneQuery.UserData = fRequestState;
ITopic zoneTopic = TopicFactory.GetInstance(InfraDTD.SIF_ZONESTATUS);
zoneTopic.SetQueryResults(this);
// Now, connect to all zones and just get the zone status
foreach (IZone zone in ZoneFactory.GetAllZones())
{
if (getChameleonProperty(zone, "logRaw", false))
{
zone.Properties.KeepMessageContent = true;
zone.AddMessagingListener(fLogger);
}
zone.Connect(ProvisioningFlags.Register);
zoneTopic.Join(zone);
}
Console.WriteLine();
Console.WriteLine("Requesting SIF_ZoneStatus from all zones...");
zoneTopic.Query(zoneQuery);
}
/// <summary>
/// Connect to the Zones and configure the Subscribers.
/// </summary>
/// <exception cref="System.InvalidOperationException">The Agent has not been initialised first.</exception>
/// <exception cref="Edustructures.SifWorks.AdkException">The Agent was unable to connect to a Zone, or there is an error with the event processing for a Subscriber.</exception>
protected override void StartAgent()
{
// If the Agent has not been initialised, throw an exception.
if (!Initialized)
{
throw new InvalidOperationException("Subscribing Agent " + this.Id + " has not been initialised.");
}
IList <IBaseSubscriber> subscribers;
try
{
// Get the Subscribers handled by this Agent.
subscribers = GetSubscribers();
}
catch (TargetException)
{
Shutdown();
throw;
}
if (log.IsDebugEnabled)
{
log.Debug("Starting subscribing Agent " + this.Id + "...");
}
IZone[] zones = ZoneFactory.GetAllZones();
if (zones.Length == 0)
{
if (log.IsWarnEnabled)
{
log.Warn("No Zones specified for subscribing Agent " + this.Id + ". This subscribing Agent will do nothing.");
}
}
else
{
try
{
// Connect to each Zone specified in the Agent configuration file.
foreach (IZone zone in zones)
{
// For each Subscriber, register (provision) it with the Zone.
foreach (IBaseSubscriber subscriber in subscribers)
{
zone.SetSubscriber(subscriber, subscriber.SifObjectType, new SubscriptionOptions());
zone.SetQueryResults(subscriber, subscriber.SifObjectType, new QueryResultsOptions());
if (log.IsDebugEnabled)
{
log.Debug("Registered Subscriber " + subscriber.GetType().FullName + " with Zone " + zone.ZoneId + ".");
}
}
try
{
// Connect to the Zone.
zone.Connect(ProvisioningFlags.Register);
if (log.IsDebugEnabled)
{
log.Debug("Connected subscribing Agent " + this.Id + " to Zone " + zone.ZoneId + ".");
}
}
catch (AdkException e)
{
if (log.IsErrorEnabled)
{
log.Error("Subscribing Agent " + this.Id + " was unable to connect to Zone " + zone.ZoneId + ".", e);
}
throw;
}
}
// Start request processing for each Subscriber.
foreach (IBaseSubscriber subscriber in subscribers)
{
try
{
subscriber.StartRequestProcessing(zones);
}
catch (AdkException e)
{
if (log.IsErrorEnabled)
{
log.Error("Error with request processing of Subscriber " + subscriber.GetType().FullName + ".", e);
}
throw;
}
}
}
catch (AdkException)
{
// In the event of an error, disconnect from the Zones.
foreach (IZone zone in zones)
{
if (zone.Connected)
{
zone.Disconnect(ProvisioningFlags.Unregister);
}
}
throw;
}
}
}
/// <summary>
/// Connect to the Zones and configure the Publisher.
/// </summary>
/// <exception cref="System.InvalidOperationException">The Agent has not been initialised first.</exception>
/// <exception cref="Edustructures.SifWorks.AdkException">The Agent was unable to connect to a Zone, or there is an error with the event processing for a Publisher.</exception>
protected override void StartAgent()
{
// If the Agent has not been initialised, throw an exception.
if (!Initialized)
{
throw new InvalidOperationException("Publishing Agent " + this.Id + " has not been initialised.");
}
IList <IBasePublisher> publishers;
try
{
// Get the Publishers handled by this agent.
publishers = GetPublishers();
}
catch (TargetException)
{
Shutdown();
throw;
}
if (log.IsDebugEnabled)
{
log.Debug("Starting publishing Agent " + this.Id + "...");
}
IZone[] zones = ZoneFactory.GetAllZones();
if (zones.Length == 0)
{
if (log.IsWarnEnabled)
{
log.Warn("No Zones specified for publishing Agent " + this.Id + ". This publishing Agent will do nothing.");
}
}
else
{
try
{
// Connect to each Zone specified in the Agent configuration file.
foreach (IZone zone in zones)
{
// For each Publisher, register (provision) it with the Zone.
foreach (IBasePublisher publisher in publishers)
{
zone.SetPublisher(publisher, publisher.SifObjectType, new PublishingOptions(true));
if (log.IsDebugEnabled)
{
log.Debug("Registered Publisher " + publisher.GetType().FullName + " with Zone " + zone.ZoneId + ".");
}
}
try
{
// Connect to the Zone.
zone.Connect(ProvisioningFlags.Register);
if (log.IsDebugEnabled)
{
log.Debug("Connected publishing Agent " + this.Id + " to Zone " + zone.ZoneId + ".");
}
}
catch (AdkException e)
{
if (log.IsErrorEnabled)
{
log.Error("Publishing Agent " + this.Id + " was unable to connect to Zone " + zone.ZoneId + ".", e);
}
throw;
}
}
// Start event processing for each Publisher.
foreach (IBasePublisher publisher in publishers)
{
try
{
publisher.StartEventProcessing(zones);
}
catch (AdkException e)
{
if (log.IsErrorEnabled)
{
log.Error("Error with event processing of Publisher " + publisher.GetType().FullName + ".", e);
}
throw;
}
}
}
catch (AdkException)
{
// In the event of an error, disconnect from the Zones.
foreach (IZone zone in zones)
{
if (zone.Connected)
{
zone.Disconnect(ProvisioningFlags.Unregister);
}
}
throw;
}
}
}
/// <summary> Initialize and start the agent
/// </summary>
/// <param name="args">Command-line arguments (run with no arguments to display help)
///
/// </param>
public virtual void startAgent(string[] args)
{
Console.WriteLine("Initializing agent...");
Adk.Initialize(SifVersion.LATEST, SIFVariant.SIF_AU, (int)SdoLibraryType.Student);
// Read the configuration file
fCfg = new AgentConfig();
Console.WriteLine("Reading configuration file...");
fCfg.Read("agent.cfg", false);
// Override the SourceId passed to the constructor with the SourceId
// specified in the configuration file
Id = fCfg.SourceId;
// Inform the ADK of the version of SIF specified in the sifVersion=
// attribute of the <agent> element
SifVersion version = fCfg.Version;
Adk.SifVersion = version;
// Now call the superclass initialize once the configuration file has been read
base.Initialize();
//
// Ask the AgentConfig instance to "apply" all configuration settings
// to this Agent; for example, all <property> elements that are children
// of the root <agent> node are parsed and applied to this Agent's
// AgentProperties object; all <zone> elements are parsed and registered
// with the Agent's ZoneFactory, and so on.
//
fCfg.Apply(this, true);
// Establish the ODBC connection to the Students.mdb database file.
// The JDBC driver and URL are specified in the agent.cfg configuration
// file and were automatically added to the AgentProperties when the
// apply method was called above.
//
Console.WriteLine("Opening database...");
AgentProperties props = Properties;
string driver = props.GetProperty("Connection");
string url = props.GetProperty("ConnectionString");
Console.WriteLine("- Using driver: " + driver);
Console.WriteLine("- Connecting to URL: " + url);
// Load the DataDriver driver
// Get a Connection
fConn = new OleDbConnection();
fConn.ConnectionString = url;
// Connect to each zone specified in the configuration file, registering
// this agent as the Provider of Learner objects. Once connected,
// send a request for LearnerPersonal.
//
Console.WriteLine("Connecting to zones and requesting LearnerPersonal objects...");
IZone[] allZones = ZoneFactory.GetAllZones();
for (int i = 0; i < allZones.Length; i++)
{
try
{
// Connect to this zone
Console.WriteLine
("- Connecting to zone \"" + allZones[i].ZoneId + "\" at " +
allZones[i].ZoneUrl);
allZones[i].SetPublisher
(this, StudentDTD.STUDENTPERSONAL, new PublishingOptions());
allZones[i].SetQueryResults(this);
allZones[i].Connect(ProvisioningFlags.Register);
// Request all students
Query q = new Query(StudentDTD.STUDENTPERSONAL);
q.UserData = "Mappings Demo";
allZones[i].Query(q);
}
catch (AdkException ex)
{
Console.WriteLine(" " + ex.Message);
}
}
}