/// <summary>
/// Funcţia efectivă de transformare a mesajelor cerere în mesaje raspuns folosind serviciul ataşat.
/// Realizează interpretarea tipului cererii şi determină acţiunile necesare pentru a afla răspunsul.
/// </summary>
/// <param name="message">Cererea</param>
/// <param name="from">Adresa de unde provine cererea</param>
/// <returns>Raspunsul la cerere</returns>
public Message answer(Message message, IPAddress from)
{
if (message.request.Equals("getFunctionalities")) {
return new Message("receiveFunctionalities", this.domainOntologyService.getAllFunctionalities());
}
else {
if (message.request.Equals("getOntology")) {
if (message.numberOfParameters == 1) {
string[] ontology = this.domainOntologyService.getSerializedOntology(message.getParameter(0));
if (ontology != null) {
return new Message("receiveOntology", ontology);
}
else {
return new Message("ERROR", new string[2] { "Unknown functionality", message.getParameter(0) });
}
}
else {
return new Message("ERROR", new string[2] { "Missing parameter", "Functionality" });
}
}
else {
return new Message("ERROR", new string[2] { "Unknown request", message.request });
}
}
}
/// <summary>
/// Găseşte toate funcţionalităţile cunoscute serviciului de ontologia domeniului.
/// </summary>
/// <returns>Funcţionalităţiile sub forma unui vector</returns>
public Functionality[] getFunctionalities()
{
try
{
Message answer = new Message("getFunctionalities", null).deliverAndWaitFeedback(this._domainOntologyServiceAddress);
if (answer != null)
{
if (answer.request.Equals("noFunctionalities"))
{
this._lastError = "There are no functionalities.";
return null;
}
else
{
if (answer.request.Equals("receiveFunctionalities"))
{
this._lastError = null;
Functionality[] result = new Functionality[answer.numberOfParameters / 3];
for (int i = 0; i < answer.numberOfParameters; i = i + 3)
{
result[i / 3] = new Functionality(answer.getParameter(i + 1));
}
return result;
}
else
{
if (answer.request.Equals("ERROR") && answer.numberOfParameters > 0)
{
this._lastError = String.Join("\n", answer.parameters);
return null;
}
}
}
}
this._lastError = "The Domain Ontology Service didn't respond.Please check that it is running and that you have the correct address and port set.";
return null;
}
catch (Exception e)
{
this._lastError = e.Message;
return null;
}
}
/// <summary>
/// Funcţia efectivă de transformare a mesajelor cerere în mesaje raspuns folosind serviciul ataşat.
/// Realizează interpretarea tipului cererii şi determină acţiunile necesare pentru a afla răspunsul.
/// </summary>
/// <param name="message">Cererea</param>
/// <param name="from">Adresa de unde provine cererea</param>
/// <returns>Raspunsul la cerere</returns>
public Message answer(Message message, IPAddress from)
{
if (message.request.Equals("findServices")) {
if (message.numberOfParameters == 1) {
string[] services = this.functionalityFindingService.findServices(message.getParameter(0));
if (services != null) {
return new Message("receiveServices", services);
}
else {
return new Message("ERROR", new string[1] { this.functionalityFindingService.lastError });
}
}
else {
return new Message("ERROR", new string[2] { "Missing parameter", "Please send functionality name, followed by request shapes in proper format." });
}
}
else
if (message.request.Equals("setServerLoadLevel"))
{
if (message.numberOfParameters > 1)
{
RequestShape[] requestShapes = new RequestShape[message.numberOfParameters - 2];
for (int i = 2; i < message.numberOfParameters; ++i)
{
requestShapes[i - 2] = new RequestShape(message.getParameter(i));
}
string[] serverLoadLevel = new string[1];
serverLoadLevel[0] = this.functionalityFindingService.setServerLoadLevel(int.Parse(message.getParameter(0)), message.getParameter(1), requestShapes);
if (serverLoadLevel != null)
{
return new Message("receiveServerLoad", serverLoadLevel);
}
else
{
return new Message("ERROR", new string[1] { this.functionalityFindingService.lastError });
}
}
else
{
return new Message("ERROR", new string[2] { "Missing parameter", "Please send functionality name, followed by request shapes in proper format." });
}
}
else {
return new Message("ERROR", new string[2] { "Unknown request", message.request });
}
}
/// <summary>
/// Găseşte toate funcţionalităţile cunoscute serviciului de ontologia domeniului.
/// </summary>
/// <returns>Numele funcţionalităţilor sub forma unui vector</returns>
public string[] getFunctionalityNames()
{
try {
Message answer = new Message("getFunctionalities", null).deliverAndWaitFeedback(this._domainOntologyServiceAddress);
if (answer != null) {
if (answer.request.Equals("receiveFunctionalities")) {
string[] functionalityNames = new string[answer.numberOfParameters];
for (int i = 0; i < functionalityNames.Length; ++i) {
functionalityNames[i] = answer.getParameter(i);
}
this._lastError = null;
return functionalityNames;
}
else if (answer.request.Equals("ERROR") && answer.numberOfParameters > 0) {
this._lastError = string.Join("\n", answer.parameters);
return null;
}
}
this._lastError = resourceManager.GetString("ERROR_NO_RESPONSE");
return null;
}
catch (Exception e) {
this._lastError = e.Message;
return null;
}
}
/// <summary>
/// Găseşte toate funcţionalităţile cunoscute serviciului de ontologia domeniului.
/// </summary>
/// <returns>Numele funcţionalităţilor sub forma unui vector</returns>
public string[] getFunctionalitiesData()
{
try
{
Message answer = new Message("getFunctionalities", null).deliverAndWaitFeedback(this._domainOntologyServiceAddress);
if (answer != null)
{
if (answer.request.Equals("noFunctionalities"))
{
this._lastError = "There are no functionalities.";
return null;
}
else
{
if (answer.request.Equals("receiveFunctionalities"))
{
this._lastError = null;
string[] functionalitesData = new string[answer.numberOfParameters];
for (int i = 0; i < functionalitesData.Length; ++i)
{
functionalitesData[i] = answer.getParameter(i);
}
return functionalitesData;
}
else
{
if (answer.request.Equals("ERROR") && answer.numberOfParameters > 0)
{
this._lastError = string.Join("\n", answer.parameters);
return null;
}
}
}
}
this._lastError = "The Domain Ontology Service didn't respond.Please check that it is running and that you have the correct address and port set.";
return null;
}
catch (Exception e)
{
this._lastError = e.Message;
return null;
}
}
