protected void createServiceDescription() {
List<Operation> opList = new ArrayList<Operation>();
for (Method operation : this.getClass().getMethods()) {
if (operation.getAnnotation(ServiceOperation.class) != null) {
ServiceOperation serviceOperation = operation.getAnnotation(ServiceOperation.class);
Operation op =
new Operation(
operation.getName(),
operation.getParameterTypes(),
operation.getReturnType().getName());
op.setOpCost(serviceOperation.OperationCost());
opList.add(op);
}
}
description.setOperationList(opList);
description.setServiceType(this.getClass().getSimpleName());
}
/** Helps to dynamically update the service description */
public void updateServiceDescription() {
if (description.getRegisterID() > 0)
this.sendRequest(
ServiceRegistryInterface.NAME,
ServiceRegistryInterface.ADDRESS,
true,
"update",
this.description);
else System.err.println("Service is not registered in the registy yet. It can't be updated.");
}
private void register() {
myServ.config = new ConfigParameters();
myServ.config.put("codec", CODEC.toString());
myServ.config.put("sample-rate", audioConf.sampleRate);
myServ.config.put("frame-size", audioConf.frameSize);
byte[] cb = audioRec.getConfigBytes();
if (cb != null) {
myServ.config.put("config-bytes", cb);
}
myId = airtube.registerService(myServ, this);
LOG.info("registered myself as " + myId);
}
public void action() {
ServiceDescription sd = new ServiceDescription();
sd.setType(SERVER_AGENT);
sd.setName(getName());
sd.setOwnership("Prof6802");
DFAgentDescription dfd = new DFAgentDescription();
dfd.setName(getAID());
dfd.addServices(sd);
try {
DFAgentDescription[] dfds = DFService.search(myAgent, dfd);
if (dfds.length > 0) {
DFService.deregister(myAgent, dfd);
}
DFService.register(myAgent, dfd);
System.out.println(getLocalName() + " is ready.");
} catch (Exception ex) {
System.out.println("Failed registering with DF! Shutting down...");
ex.printStackTrace();
doDelete();
}
}
public DFAgentDescription[] findDocumentAgent()
{
final DFAgentDescription template = new DFAgentDescription();
final ServiceDescription sd = new ServiceDescription();
sd.setType(DocumentAgent.serviceType);
sd.setName(DocumentAgent.serviceName);
template.addServices(sd);findDocumentAgent()[0].getName()
try
{
DFAgentDescription[] result = DFService.search(this, template);
if(result != null && result.length > 0)
{
return result;
}else
{
System.err.println("Aucun destinataire trouvé");
}
}catch(FIPAException fe)
{
fe.printStackTrace();
}
return null;
}
/** Register to the service registry */
public void register() {
int registerId =
(int)
this.sendRequest(
ServiceRegistryInterface.NAME,
ServiceRegistryInterface.ADDRESS,
true,
"register",
description);
this.description.setRegisterID(registerId);
System.out.println(
"The service "
+ description.getServiceType()
+ " has been registered. The registerID is "
+ this.description.getRegisterID());
}
private ServiceDescription getServiceDescription() {
ServiceDescription result = null;
DatagramPacket packet = getReceivedDatagramPacket();
if (packet != null) {
String s = new String(packet.getData());
int pos = s.indexOf((char) 0);
if (pos > -1) {
s = s.substring(0, pos);
}
StringTokenizer tokens =
new StringTokenizer(s.substring(15 + getEncodedServiceName().length()));
if (tokens.countTokens() == 3) {
result =
ServiceDescription.parse(tokens.nextToken(), tokens.nextToken(), tokens.nextToken());
}
}
return (result);
}
