public Response sendRequest(Request request) throws IOException {
byte[] requestData = request.getBytes();
dataOutputStream.writeInt(requestData.length);
dataOutputStream.write(requestData);
dataOutputStream.flush();
byte responseType = dataInputStream.readByte();
switch (responseType) {
case Response.TYPE_SENT_OK:
return new SendMessageResponse(dataInputStream.readDouble());
case Response.TYPE_SENT_NOT_OK:
return new SendMessageResponse(dataInputStream.readDouble());
case Response.TYPE_EMPTY:
return new EmptyResponse();
case Response.TYPE_MESSAGE:
return new MessageResponse(
dataInputStream.readInt(),
dataInputStream.readInt(),
dataInputStream.readUTF(),
dataInputStream.readDouble());
case Response.TYPE_QUEUE_CREATED:
return new CreateQueueResponse(dataInputStream.readInt());
case Response.TYPE_QUEUE_DELETED:
return new DeleteQueueResponse(dataInputStream.readBoolean());
case Response.TYPE_QUEUE_QUERY:
ArrayList<Integer> queues = new ArrayList<Integer>();
int size = dataInputStream.readInt();
for (int i = 0; i < size; ++i) {
queues.add(dataInputStream.readInt());
}
return new QueryQueuesResponse(queues);
default:
return new InvalidRequestResponse();
}
}
/**
* Processamento das mensagens através da execução da operação correspondente. Geração de uma
* mensagem de resposta.
*
* @param request mensagem com o pedido e (eventualmente) os parâmetros necessários para a
* realização da operação requerida sobre o monitor
* @return mensagem de resposta
* @throws MessageRequestException
*/
@Override
public Response processAndReply(Request request) throws MessageRequestException {
Response response;
int passageiroId = 0;
switch (request.getMethodName()) {
case GO_HOME:
if (request.getArgs().length != 1)
throw new MessageRequestException(
"Formato do request GO_HOME inválido: " + "espera-se 1 parametro!", request);
passageiroId = (int) request.getArgs()[0];
if (passageiroId < 0 || passageiroId >= passMax)
throw new MessageRequestException("Id do passageiro inválido!", request);
transicao.goHome(passageiroId);
break;
case PREPARE_NEXT_LEG:
if (request.getArgs().length != 1)
throw new MessageRequestException(
"Formato do request PREPARE_NEXT_LEG inválido: " + "espera-se 1 parametro!", request);
passageiroId = (int) request.getArgs()[0];
if (passageiroId < 0 || passageiroId >= passMax)
throw new MessageRequestException("Id do passageiro inválido!", request);
transicao.prepareNextLeg(passageiroId);
break;
case BAGAGEIRO_DONE:
System.out.println("Bagageiro acabou!(ServerInterface)");
transicao.bagageiroDone();
break;
case SHUTDOWN_MONITOR:
return new Response(OK, request.getSerial(), transicao.shutdownMonitor());
default:
throw new MessageRequestException("Tipo de request inválido!", request);
}
return new Response(OK, request.getSerial(), null);
}