Implement SMS notifications with help smpp protocol

4 files changed, 372 insertions, 0 deletions

diff --git a/src/org/traccar/smpp/ClientSmppSessionHandler.java b/src/org/traccar/smpp/ClientSmppSessionHandler.java
new file mode 100644
index 000000000..2cf03871c
--- /dev/null
+++ b/src/org/traccar/smpp/ClientSmppSessionHandler.java
@@ -0,0 +1,67 @@
+/*
+ * Copyright 2017 Anton Tananaev (anton@traccar.org)
+ * Copyright 2017 Andrey Kunitsyn (andrey@traccar.org)
+ *
+ * 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.traccar.smpp;
+
+import org.traccar.helper.Log;
+
+import com.cloudhopper.commons.charset.CharsetUtil;
+import com.cloudhopper.smpp.SmppConstants;
+import com.cloudhopper.smpp.impl.DefaultSmppSessionHandler;
+import com.cloudhopper.smpp.pdu.DeliverSm;
+import com.cloudhopper.smpp.pdu.PduRequest;
+import com.cloudhopper.smpp.pdu.PduResponse;
+
+public class ClientSmppSessionHandler extends DefaultSmppSessionHandler {
+
+    private SmppClient smppClient;
+
+    public ClientSmppSessionHandler(SmppClient smppClient) {
+        this.smppClient = smppClient;
+    }
+
+    @Override
+    public void firePduRequestExpired(PduRequest pduRequest) {
+        Log.warning("PDU request expired: " + pduRequest);
+    }
+
+    @Override
+    public PduResponse firePduRequestReceived(PduRequest request) {
+        PduResponse response = null;
+        try {
+            if (request instanceof DeliverSm) {
+                Log.debug("Message Received: "
+                        + CharsetUtil.decode(((DeliverSm) request).getShortMessage(),
+                        smppClient.mapDataCodingToCharset(((DeliverSm) request).getDataCoding()))
+                        + ", Source Address: "
+                        + ((DeliverSm) request).getSourceAddress().getAddress());
+            }
+            response = request.createResponse();
+        } catch (Throwable error) {
+            Log.warning(error);
+            response = request.createResponse();
+            response.setResultMessage(error.getMessage());
+            response.setCommandStatus(SmppConstants.STATUS_UNKNOWNERR);
+        }
+        return response;
+    }
+
+    @Override
+    public void fireChannelUnexpectedlyClosed() {
+        Log.warning("Smpp session channel unexpectedly closed");
+        smppClient.scheduleReconnect();
+    }
+}
diff --git a/src/org/traccar/smpp/EnquireLinkTask.java b/src/org/traccar/smpp/EnquireLinkTask.java
new file mode 100644
index 000000000..22347b6f4
--- /dev/null
+++ b/src/org/traccar/smpp/EnquireLinkTask.java
@@ -0,0 +1,56 @@
+/*
+ * Copyright 2017 Anton Tananaev (anton@traccar.org)
+ * Copyright 2017 Andrey Kunitsyn (andrey@traccar.org)
+ *
+ * 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.traccar.smpp;
+
+import org.traccar.helper.Log;
+
+import com.cloudhopper.smpp.SmppSession;
+import com.cloudhopper.smpp.pdu.EnquireLink;
+import com.cloudhopper.smpp.type.RecoverablePduException;
+import com.cloudhopper.smpp.type.SmppChannelException;
+import com.cloudhopper.smpp.type.SmppTimeoutException;
+import com.cloudhopper.smpp.type.UnrecoverablePduException;
+
+public class EnquireLinkTask implements Runnable {
+
+    private SmppClient smppClient;
+    private Integer enquireLinkTimeout;
+
+    public EnquireLinkTask(SmppClient smppClient, Integer enquireLinkTimeout) {
+        this.smppClient = smppClient;
+        this.enquireLinkTimeout = enquireLinkTimeout;
+    }
+
+    @Override
+    public void run() {
+        SmppSession smppSession = smppClient.getSession();
+        if (smppSession != null && smppSession.isBound()) {
+            try {
+                smppSession.enquireLink(new EnquireLink(), enquireLinkTimeout);
+            } catch (SmppTimeoutException | SmppChannelException
+                    | RecoverablePduException | UnrecoverablePduException error) {
+                Log.warning("Enquire link failed, executing reconnect: " + error);
+                smppClient.reconnect();
+            } catch (InterruptedException error) {
+                Log.info("Enquire link interrupted, probably killed by reconnecting");
+            }
+        } else {
+            Log.error("Enquire link running while session is not connected");
+        }
+    }
+
+}
diff --git a/src/org/traccar/smpp/ReconnectionTask.java b/src/org/traccar/smpp/ReconnectionTask.java
new file mode 100644
index 000000000..c9d9173ae
--- /dev/null
+++ b/src/org/traccar/smpp/ReconnectionTask.java
@@ -0,0 +1,31 @@
+/*
+ * Copyright 2017 Anton Tananaev (anton@traccar.org)
+ * Copyright 2017 Andrey Kunitsyn (andrey@traccar.org)
+ *
+ * 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.traccar.smpp;
+
+public class ReconnectionTask implements Runnable {
+
+    private final SmppClient smppClient;
+
+    protected ReconnectionTask(SmppClient smppClient) {
+        this.smppClient = smppClient;
+    }
+
+    @Override
+    public void run() {
+        smppClient.reconnect();
+    }
+}
diff --git a/src/org/traccar/smpp/SmppClient.java b/src/org/traccar/smpp/SmppClient.java
new file mode 100644
index 000000000..a1d56c2bf
--- /dev/null
+++ b/src/org/traccar/smpp/SmppClient.java
@@ -0,0 +1,218 @@
+/*
+ * Copyright 2017 Anton Tananaev (anton@traccar.org)
+ * Copyright 2017 Andrey Kunitsyn (andrey@traccar.org)
+ *
+ * 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.traccar.smpp;
+
+import java.util.concurrent.ExecutorService;
+import java.util.concurrent.Executors;
+import java.util.concurrent.ScheduledExecutorService;
+import java.util.concurrent.ScheduledFuture;
+import java.util.concurrent.ThreadFactory;
+import java.util.concurrent.TimeUnit;
+
+import org.traccar.Context;
+import org.traccar.helper.Log;
+
+import com.cloudhopper.commons.charset.CharsetUtil;
+import com.cloudhopper.smpp.SmppBindType;
+import com.cloudhopper.smpp.SmppConstants;
+import com.cloudhopper.smpp.SmppSession;
+import com.cloudhopper.smpp.SmppSessionConfiguration;
+import com.cloudhopper.smpp.impl.DefaultSmppClient;
+import com.cloudhopper.smpp.impl.DefaultSmppSessionHandler;
+import com.cloudhopper.smpp.pdu.SubmitSm;
+import com.cloudhopper.smpp.pdu.SubmitSmResp;
+import com.cloudhopper.smpp.type.Address;
+import com.cloudhopper.smpp.type.RecoverablePduException;
+import com.cloudhopper.smpp.type.SmppChannelException;
+import com.cloudhopper.smpp.type.SmppTimeoutException;
+import com.cloudhopper.smpp.type.UnrecoverablePduException;
+
+public class SmppClient {
+
+    private SmppSessionConfiguration sessionConfig = new SmppSessionConfiguration();
+    private SmppSession smppSession;
+    private DefaultSmppSessionHandler sessionHandler = new ClientSmppSessionHandler(this);
+    private ExecutorService executorService = Executors.newCachedThreadPool();
+    private DefaultSmppClient clientBootstrap = new DefaultSmppClient(executorService, 1);
+
+    private ScheduledExecutorService enquireLinkExecutor;
+    private ScheduledFuture<?> enquireLinkTask;
+    private Integer enquireLinkPeriod;
+    private Integer enquireLinkTimeout;
+
+    private ScheduledExecutorService reconnectionExecutor;
+    private ScheduledFuture<?> reconnectionTask;
+    private Integer reconnectionDelay;
+
+    private String sourceAddress;
+    private int submitTimeout;
+    private String charsetName;
+    private byte dataCoding;
+
+    private byte sourceTon;
+    private byte sourceNpi;
+
+    private byte destTon;
+    private byte destNpi;
+
+    public SmppClient() {
+        sessionConfig.setName("Traccar.smppSession");
+        sessionConfig.setInterfaceVersion(
+                (byte) Context.getConfig().getInteger("sms.smpp.version", SmppConstants.VERSION_3_4));
+        sessionConfig.setType(SmppBindType.TRANSCEIVER);
+        sessionConfig.setHost(Context.getConfig().getString("sms.smpp.host", "localhost"));
+        sessionConfig.setPort(Context.getConfig().getInteger("sms.smpp.port", 2775));
+        sessionConfig.setSystemId(Context.getConfig().getString("sms.smpp.username", "user"));
+        sessionConfig.setPassword(Context.getConfig().getString("sms.smpp.password", "password"));
+        sessionConfig.getLoggingOptions().setLogBytes(false);
+        sessionConfig.getLoggingOptions().setLogPdu(Context.getConfig().getBoolean("sms.smpp.logPdu"));
+
+        sourceAddress = Context.getConfig().getString("sms.smpp.sourceAddress", "");
+        submitTimeout = Context.getConfig().getInteger("sms.smpp.submitTimeout", 10000);
+
+        charsetName = Context.getConfig().getString("sms.smpp.charsetName", CharsetUtil.NAME_UCS_2);
+        dataCoding = (byte) Context.getConfig().getInteger("sms.smpp.dataCoding", SmppConstants.DATA_CODING_UCS2);
+
+        sourceTon = (byte) Context.getConfig().getInteger("sms.smpp.sourceTon", SmppConstants.TON_ALPHANUMERIC);
+        sourceNpi = (byte) Context.getConfig().getInteger("sms.smpp.sourceNpi", SmppConstants.NPI_UNKNOWN);
+
+        destTon = (byte) Context.getConfig().getInteger("sms.smpp.destTon", SmppConstants.TON_INTERNATIONAL);
+        destNpi = (byte) Context.getConfig().getInteger("sms.smpp.destNpi", SmppConstants.NPI_E164);
+
+        enquireLinkPeriod = Context.getConfig().getInteger("sms.smpp.enquireLinkPeriod", 60000);
+        enquireLinkTimeout = Context.getConfig().getInteger("sms.smpp.enquireLinkTimeout", 10000);
+        enquireLinkExecutor = Executors.newScheduledThreadPool(1, new ThreadFactory() {
+            @Override
+            public Thread newThread(Runnable runnable) {
+                Thread thread = new Thread(runnable);
+                String name = sessionConfig.getName();
+                thread.setName("EnquireLink-" + name);
+                return thread;
+            }
+        });
+
+        reconnectionDelay = Context.getConfig().getInteger("sms.smpp.reconnectionDelay", 10000);
+        reconnectionExecutor = Executors.newSingleThreadScheduledExecutor(new ThreadFactory() {
+            @Override
+            public Thread newThread(Runnable runnable) {
+                Thread thread = new Thread(runnable);
+                String name = sessionConfig.getName();
+                thread.setName("Reconnection-" + name);
+                return thread;
+            }
+        });
+
+        scheduleReconnect();
+    }
+
+    public synchronized SmppSession getSession() {
+        return smppSession;
+    }
+
+    public String mapDataCodingToCharset(byte dataCoding) {
+        switch (dataCoding) {
+            case SmppConstants.DATA_CODING_LATIN1:
+                return CharsetUtil.NAME_ISO_8859_1;
+            case SmppConstants.DATA_CODING_UCS2:
+                return CharsetUtil.NAME_UCS_2;
+            default:
+                return CharsetUtil.NAME_GSM;
+        }
+    }
+
+    protected synchronized void reconnect() {
+        try {
+            disconnect();
+            smppSession = clientBootstrap.bind(sessionConfig, sessionHandler);
+            stopReconnectionkTask();
+            runEnquireLinkTask();
+            Log.info("Smpp session connected");
+        } catch (SmppTimeoutException | SmppChannelException
+                | UnrecoverablePduException | InterruptedException error) {
+            Log.warning("Unable to connect to smpp server: ", error);
+        }
+    }
+
+    public void scheduleReconnect() {
+        reconnectionTask = reconnectionExecutor.scheduleWithFixedDelay(
+                new ReconnectionTask(this),
+                reconnectionDelay, reconnectionDelay, TimeUnit.MILLISECONDS);
+    }
+
+    private void stopReconnectionkTask() {
+        if (reconnectionTask != null) {
+            reconnectionTask.cancel(false);
+        }
+    }
+
+    private void disconnect() {
+        stopEnquireLinkTask();
+        destroySession();
+    }
+
+    private void runEnquireLinkTask() {
+        enquireLinkTask = enquireLinkExecutor.scheduleWithFixedDelay(
+                new EnquireLinkTask(this, enquireLinkTimeout),
+                enquireLinkPeriod, enquireLinkPeriod, TimeUnit.MILLISECONDS);
+    }
+
+    private void stopEnquireLinkTask() {
+        if (enquireLinkTask != null) {
+            enquireLinkTask.cancel(true);
+        }
+    }
+
+    private void destroySession() {
+        if (smppSession != null) {
+            Log.debug("Cleaning up smpp session... ");
+            smppSession.destroy();
+            smppSession = null;
+        }
+    }
+
+    public synchronized void sendMessageSync(String destAddress, String message) throws RecoverablePduException,
+            UnrecoverablePduException, SmppTimeoutException, SmppChannelException, InterruptedException {
+        if (getSession() != null && getSession().isBound()) {
+            byte[] textBytes = CharsetUtil.encode(message, charsetName);
+
+            SubmitSm submit = new SubmitSm();
+            submit.setSourceAddress(new Address(sourceTon, sourceNpi, sourceAddress));
+            submit.setDestAddress(new Address(destTon, destNpi, destAddress));
+            submit.setRegisteredDelivery(SmppConstants.REGISTERED_DELIVERY_SMSC_RECEIPT_REQUESTED);
+            submit.setDataCoding((byte) dataCoding);
+            submit.setShortMessage(textBytes);
+            SubmitSmResp submitResponce = getSession().submit(submit, submitTimeout);
+            Log.debug("SMS submited, msg_id: " + submitResponce.getMessageId());
+        } else {
+            throw new SmppChannelException("Smpp session is not connected");
+        }
+    }
+
+    public void sendMessageAsync(final String destAddress, final String message) {
+        executorService.execute(new Runnable() {
+            @Override
+            public void run() {
+                try {
+                    sendMessageSync(destAddress, message);
+                } catch (InterruptedException | RecoverablePduException | UnrecoverablePduException
+                        | SmppTimeoutException | SmppChannelException error) {
+                    Log.warning(error);
+                }
+            }
+        });
+    }
+}