public void close() { try { if (sessionKey != RexProMessage.EMPTY_SESSION) { SessionRequestMessage sessionKillMessageToSend = new SessionRequestMessage(); sessionKillMessageToSend.metaSetKillSession(true); sessionKillMessageToSend.setRequestAsUUID(UUID.randomUUID()); // need to set the session here so that the server knows which one to delete. sessionKillMessageToSend.setSessionAsUUID(this.sessionKey); final RexProMessage rcvMessage = sendRequest(sessionKillMessageToSend, 3); // response message will have an EMPTY_SESSION if (rcvMessage instanceof SessionResponseMessage) { this.sessionKey = rcvMessage.sessionAsUUID(); } rexProConnection.close(); rexProConnection = null; } } catch (Exception ex) { // likely fail is a null pointer on the session } finally { this.sessionKey = RexProMessage.EMPTY_SESSION; } }
public void open() { if (sessionKey == RexProMessage.EMPTY_SESSION) { SessionRequestMessage sessionRequestMessageToSend = new SessionRequestMessage(); sessionRequestMessageToSend.Username = this.username; sessionRequestMessageToSend.Password = this.password; sessionRequestMessageToSend.setSessionAsUUID(SessionRequestMessage.EMPTY_SESSION); sessionRequestMessageToSend.setRequestAsUUID(UUID.randomUUID()); try { sessionRequestMessageToSend.validateMetaData(); } catch (RexProException e) { e.printStackTrace(); } // if close() gets called then have to recreate the the connection here. need to factor out // this // RexPro class. if (this.rexProConnection == null) { this.rexProConnection = new RexProClientConnection(rexProHost, rexProPort); } final RexProMessage rcvMessage = sendRequest(sessionRequestMessageToSend, 3); if (rcvMessage != null && rcvMessage instanceof SessionResponseMessage) { final SessionResponseMessage sessionResponseMessage = (SessionResponseMessage) rcvMessage; this.availableLanguages = new ArrayList<String>(); for (String lang : sessionResponseMessage.Languages) { this.availableLanguages.add(lang); } this.sessionKey = rcvMessage.sessionAsUUID(); } } }
public RexProMessage sendRequest( RexProMessage request, int maxRetries, int waitMsBetweenTries, int timeoutSeconds) { int tries = 0; RexProMessage rcvMessage = null; // set the session for all incoming messages. request.setSessionAsUUID(this.getSessionKey()); while (rcvMessage == null && tries < maxRetries) { tries++; try { rcvMessage = rexProConnection.sendMessage(request, timeoutSeconds); } catch (Exception ex) { String logMessage = "Failure sending message via RexPro. Attempt [" + tries + "] of [" + maxRetries + "]."; if (tries < maxRetries) { logMessage = logMessage + " Trying again in " + waitMsBetweenTries + " (ms)"; } logger.error(logMessage); rcvMessage = null; // wait try { Thread.sleep(waitMsBetweenTries); } catch (InterruptedException ie) { // carry on } } } return rcvMessage; }