org.jsmpp.session.state.SMPPOutboundServerSessionOpen Maven / Gradle / Ivy

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/*
 * Licensed under the Apache License, Version 2.0 (the "License"); 
 * you may not use this file except in compliance with the License. 
 * You may obtain a copy of the License at
 * 
 *    http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 * 
 */
package org.jsmpp.session.state;

import java.io.IOException;

import org.jsmpp.InvalidResponseException;
import org.jsmpp.PDUStringException;
import org.jsmpp.SMPPConstant;
import org.jsmpp.bean.Command;
import org.jsmpp.bean.Outbind;
import org.jsmpp.extra.PendingResponse;
import org.jsmpp.extra.ProcessRequestException;
import org.jsmpp.extra.SessionState;
import org.jsmpp.session.BaseResponseHandler;
import org.jsmpp.session.OutboundServerResponseHandler;
import org.jsmpp.session.ResponseHandler;
import org.jsmpp.util.DefaultDecomposer;
import org.jsmpp.util.PDUDecomposer;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

/**
 * This class is open state implementation of {@link SMPPOutboundServerSessionState}. When
 * the session state is open, we only give positive response to bind related intention.
 * 
 * @author uudashr
 * @version 1.0
 * @since 2.3
 * 
 */
class SMPPOutboundServerSessionOpen implements SMPPOutboundServerSessionState {
    private static final Logger logger = LoggerFactory.getLogger(SMPPOutboundServerSessionOpen.class);
    private static final PDUDecomposer pduDecomposer = new DefaultDecomposer();
    private static final String INVALID_PROCESS_FOR_OPEN_SESSION = "Invalid process for open session state";

    @Override
    public SessionState getSessionState() {
        return SessionState.OPEN;
    }

    @Override
    public void processOutbind(Command pduHeader, byte[] pdu,
                            OutboundServerResponseHandler responseHandler) throws IOException {
        try {
            Outbind outbind = pduDecomposer.outbind(pdu);
            responseHandler.processOutbind(outbind);
            logger.debug("Received outbind with {} and {}", outbind.getSystemId(), outbind.getPassword());
        } catch (PDUStringException e) {
            responseHandler.sendNegativeResponse(pduHeader.getCommandId(), e.getErrorCode(), pduHeader.getSequenceNumber());
        } catch (ProcessRequestException e) {
            responseHandler.sendNegativeResponse(pduHeader.getCommandId(), e.getErrorCode(), pduHeader.getSequenceNumber());
        }
    }

    @Override
    public void processBindResp(Command pduHeader, byte[] pdu,
                                OutboundServerResponseHandler responseHandler) throws IOException {
        logger.info("processBindResp");
        throw new IOException(INVALID_PROCESS_FOR_OPEN_SESSION);
    }

    @Override
    public void processDeliverSm(Command pduHeader, byte[] pdu,
                                 OutboundServerResponseHandler responseHandler) throws IOException {
        logger.info("Received deliver_sm in OPEN state, send negative response");
        responseHandler.sendNegativeResponse(pduHeader.getCommandId(),
            SMPPConstant.STAT_ESME_RINVBNDSTS, pduHeader.getSequenceNumber());
    }

    @Override
    public void processEnquireLink(Command pduHeader, byte[] pdu,
            BaseResponseHandler responseHandler) throws IOException {
        logger.info("Received enquire_link in OPEN state, send negative response");
        responseHandler.sendNegativeResponse(pduHeader.getCommandId(),
            SMPPConstant.STAT_ESME_RINVBNDSTS, pduHeader.getSequenceNumber());
    }

    @Override
    public void processEnquireLinkResp(Command pduHeader, byte[] pdu,
            BaseResponseHandler responseHandler) throws IOException {
        PendingResponse pendingResp = responseHandler
                .removeSentItem(1);
        if (pendingResp != null) {
            pendingResp.doneWithInvalidResponse(new InvalidResponseException(
                    "Receive unexpected enquire_link_resp"));
        }
    }

    @Override
    public void processGenericNack(Command pduHeader, byte[] pdu,
            BaseResponseHandler responseHandler) {
        PendingResponse pendingResp = responseHandler
                .removeSentItem(1);
        if (pendingResp != null) {
            pendingResp.doneWithInvalidResponse(new InvalidResponseException(
                    "Receive unexpected generic_nack"));
        }
    }

    @Override
    public void processUnbind(Command pduHeader, byte[] pdu,
            BaseResponseHandler responseHandler) throws IOException {
        PendingResponse pendingResp = responseHandler
                .removeSentItem(1);
        if (pendingResp != null) {
            pendingResp.doneWithInvalidResponse(new InvalidResponseException(
                    "Receive unexpected unbind"));
        }
    }

    @Override
    public void processUnbindResp(Command pduHeader, byte[] pdu,
            BaseResponseHandler responseHandler) throws IOException {
        PendingResponse pendingResp = responseHandler
                .removeSentItem(1);
        if (pendingResp != null) {
            pendingResp.doneWithInvalidResponse(new InvalidResponseException(
                    "Receive unexpected unbind_resp"));
        }
    }

    @Override
    public void processUnknownCid(Command pduHeader, byte[] pdu,
            BaseResponseHandler responseHandler) throws IOException {
        PendingResponse pendingResp = responseHandler
                .removeSentItem(1);
        if (pendingResp != null) {
            pendingResp.doneWithInvalidResponse(new InvalidResponseException(
                    "Receive unknown command_id"));
        }
    }

    @Override
    public void processDataSm(Command pduHeader, byte[] pdu,
            BaseResponseHandler responseHandler) throws IOException {
        logger.info("Received data_sm in OPEN state, send negative response");
        responseHandler.sendNegativeResponse(pduHeader.getCommandId(),
            SMPPConstant.STAT_ESME_RINVBNDSTS, pduHeader.getSequenceNumber());
    }

    @Override
    public void processDataSmResp(Command pduHeader, byte[] pdu,
            BaseResponseHandler responseHandler) throws IOException {
        PendingResponse pendingResp = responseHandler
                .removeSentItem(1);
        if (pendingResp != null) {
            pendingResp.doneWithInvalidResponse(new InvalidResponseException(
                    "Receive unexpected data_sm_resp"));
        }
    }

    public void processAlertNotification(Command pduHeader, byte[] pdu,
            ResponseHandler responseHandler) {
        PendingResponse pendingResp = responseHandler
                .removeSentItem(1);
        if (pendingResp != null) {
            pendingResp.doneWithInvalidResponse(new InvalidResponseException(
                    "Receive unexpected alert_notification"));
        }
    }
}