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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;
import java.io.IOException;
import org.jsmpp.InvalidResponseException;
import org.jsmpp.PDUException;
import org.jsmpp.PDUSender;
import org.jsmpp.PDUStringException;
import org.jsmpp.SMPPConstant;
import org.jsmpp.bean.Command;
import org.jsmpp.bean.DataCoding;
import org.jsmpp.bean.DataSmResp;
import org.jsmpp.bean.ESMClass;
import org.jsmpp.bean.NumberingPlanIndicator;
import org.jsmpp.bean.OptionalParameter;
import org.jsmpp.bean.RegisteredDelivery;
import org.jsmpp.bean.TypeOfNumber;
import org.jsmpp.extra.NegativeResponseException;
import org.jsmpp.extra.PendingResponse;
import org.jsmpp.extra.ResponseTimeoutException;
import org.jsmpp.session.connection.Connection;
import org.jsmpp.util.Sequence;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* @author uudashr
*
*/
public abstract class AbstractSMPPOperation implements SMPPOperation {
private static final Logger logger = LoggerFactory.getLogger(AbstractSMPPOperation.class);
private final Sequence sequence = new Sequence(1);
private final PDUSender pduSender;
private final Connection connection;
private long transactionTimer = 2000;
public AbstractSMPPOperation(Connection connection, PDUSender pduSender) {
this.connection = connection;
this.pduSender = pduSender;
}
protected PDUSender pduSender() {
return pduSender;
}
protected Connection connection() {
return connection;
}
public void setTransactionTimer(long transactionTimer) {
this.transactionTimer = transactionTimer;
}
public long getTransactionTimer() {
return transactionTimer;
}
/**
* Execute send command command task.
*
* @param task is the task.
* @param timeout is the timeout in millisecond.
* @return the command response.
* @throws PDUException if there is invalid PDU parameter found.
* @throws ResponseTimeoutException if the response has reach it timeout.
* @throws InvalidResponseException if invalid response found.
* @throws NegativeResponseException if the negative response found.
* @throws IOException if there is an IO error found.
*/
protected Command executeSendCommand(SendCommandTask task, long timeout)
throws PDUException, ResponseTimeoutException,
InvalidResponseException, NegativeResponseException, IOException {
int seqNum = sequence.nextValue();
PendingResponse pendingResp = new PendingResponse(timeout);
try {
task.executeTask(connection().getOutputStream(), seqNum);
} catch (IOException e) {
logger.error("Failed sending {} command", task.getCommandName(), e);
throw e;
}
try {
pendingResp.waitDone();
logger.debug("{} response received", task.getCommandName() );
} catch (ResponseTimeoutException e) {
logger.debug("Response timeout for {} with sequence_number {}", task.getCommandName(), seqNum);
throw e;
}
Command resp = pendingResp.getResponse();
validateResponse(resp);
return resp;
}
/**
* Validate the response, the command_status should be 0 otherwise will
* throw {@link NegativeResponseException}.
*
* @param response is the response.
* @throws NegativeResponseException if the command_status value is not zero.
*/
private static void validateResponse(Command response) throws NegativeResponseException {
if (response.getCommandStatus() != SMPPConstant.STAT_ESME_ROK) {
throw new NegativeResponseException(response.getCommandStatus());
}
}
public void unbind() throws ResponseTimeoutException, InvalidResponseException, IOException {
UnbindCommandTask task = new UnbindCommandTask(pduSender);
try {
executeSendCommand(task, transactionTimer);
} catch (PDUException e) {
// exception should be never caught since we didn't send any string parameter.
logger.warn("PDU String should be always valid", e);
} catch (NegativeResponseException e) {
// ignore the negative response
logger.warn("Receive non-ok command_status ({}) for unbind_resp", e.getCommandStatus(), e);
}
}
public void unbindResp(int sequenceNumber) throws IOException {
pduSender.sendUnbindResp(connection().getOutputStream(), SMPPConstant.STAT_ESME_ROK, sequenceNumber);
}
public DataSmResult dataSm(String serviceType, TypeOfNumber sourceAddrTon,
NumberingPlanIndicator sourceAddrNpi, String sourceAddr,
TypeOfNumber destAddrTon, NumberingPlanIndicator destAddrNpi,
String destinationAddr, ESMClass esmClass,
RegisteredDelivery registeredDelivery, DataCoding dataCoding,
OptionalParameter... optionalParameters) throws PDUException,
ResponseTimeoutException, InvalidResponseException,
NegativeResponseException, IOException {
DataSmCommandTask task = new DataSmCommandTask(pduSender,
serviceType, sourceAddrTon, sourceAddrNpi, sourceAddr,
destAddrTon, destAddrNpi, destinationAddr, esmClass,
registeredDelivery, dataCoding, optionalParameters);
DataSmResp resp = (DataSmResp)executeSendCommand(task, getTransactionTimer());
return new DataSmResult(resp.getMessageId(), resp.getOptionalParameters());
}
public void dataSmResp(int sequenceNumber, String messageId,
OptionalParameter... optionalParameters) throws PDUStringException,
IOException {
pduSender.sendDataSmResp(connection().getOutputStream(), sequenceNumber, messageId, optionalParameters);
}
public void enquireLink() throws ResponseTimeoutException, InvalidResponseException, IOException {
EnquireLinkCommandTask task = new EnquireLinkCommandTask(pduSender);
try {
executeSendCommand(task, getTransactionTimer());
} catch (PDUException e) {
// should never happen, since it doesn't have any String parameter.
logger.warn("PDU String should be always valid", e);
} catch (NegativeResponseException e) {
// the command_status of the response should be always 0
logger.warn("command_status of response should be always 0", e);
}
}
public void enquireLinkResp(int sequenceNumber) throws IOException {
pduSender.sendEnquireLinkResp(connection().getOutputStream(), sequenceNumber);
}
public void genericNack(int commandStatus, int sequenceNumber) throws IOException {
pduSender.sendGenericNack(connection().getOutputStream(), commandStatus, sequenceNumber);
}
}
