/// <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 );
}
}
}
/// <summary>
/// Configure the Agent based on the Agent configuration file, then initialise.
/// </summary>
/// <exception cref="System.IO.IOException">File or resource exception occurred, possibly while reading Agent configuration file.</exception>
/// <exception cref="System.Reflection.TargetException">Unable to create an instance of a Publisher or Subscriber for the Agent.</exception>
public override void Initialize()
{
if (Initialized)
{
if (log.IsInfoEnabled) log.Info("Agent " + this.Id + " has already been initialised and will not be initialised again.");
}
else
{
// Initialise the ADK to use the latest SIF version and all SIF Data Object modules?
Adk.Initialize();
AgentConfig agentConfig = new AgentConfig();
try
{
// Read the Agent configuration file.
agentConfig.Read(this.cfgFileName, false);
}
catch (IOException e)
{
throw new IOException("Error reading Agent configuration file " + this.cfgFileName + " when initialising Agent " + this.Id + ".", e);
}
// Override the SourceId passed to the constructor with the SourceID specified in the configuration
// file.
Id = agentConfig.SourceId;
// Inform the ADK of the version of SIF specified in the sifVersion= attribute of the <agent> element.
Adk.SifVersion = agentConfig.Version;
// Call the superclass initialise once the configuration file has been read.
try
{
base.Initialize();
}
catch (Exception e)
{
throw new IOException("Agent " + this.Id + " is unable to initialise due to a file or resource exception.", e);
}
// Ask the AgentConfig instance to "apply" all configuration settings to this Agent. This includes
// parsing and registering all <zone> elements with the Agent's ZoneFactory.
agentConfig.Apply(this, true);
AgentConfiguration = agentConfig;
// Set the level of debugging applied to the ADK.
if (Properties.GetProperty("agent.debugAll", false))
{
Adk.Debug = AdkDebugFlags.All;
}
else
{
Adk.Debug = AdkDebugFlags.Minimal;
}
// Override the Agent display name if provided.
String displayName = Properties.GetProperty("agent.description", null);
if (displayName != null)
{
this.fName = displayName;
}
if (!Directory.Exists(this.WorkDir))
{
Directory.CreateDirectory(this.WorkDir);
}
if (log.IsInfoEnabled) log.Info("Agent " + this.Id + " has been initialised using configuration file " + this.cfgFileName + "...");
if (log.IsInfoEnabled) log.Info("Agent Property => Display name: " + this.fName);
if (log.IsInfoEnabled) log.Info("Agent Property => Messaging mode: " + Properties.MessagingMode);
if (log.IsInfoEnabled) log.Info("Agent Property => Transport protocol: " + Properties.TransportProtocol);
if (log.IsInfoEnabled) log.Info("Agent Property => Pull frequency: " + Properties.PullFrequency);
if (log.IsInfoEnabled) log.Info("Agent Property => Maximum buffer size: " + Properties.MaxBufferSize);
if (log.IsInfoEnabled) log.Info("Agent Property => Override SIF versions: " + Properties.OverrideSifVersions);
if (log.IsInfoEnabled) log.Info("Agent Property => Home directory: " + this.HomeDir);
if (log.IsInfoEnabled) log.Info("Agent Property => Work directory: " + this.WorkDir);
StartAgent();
}
}
/// <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
this.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 this.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);
}