Merge pull request #4797 from traccar/polling

Implement polling protocol support

3 files changed, 166 insertions, 0 deletions

diff --git a/src/main/java/org/traccar/protocol/OrbcommProtocol.java b/src/main/java/org/traccar/protocol/OrbcommProtocol.java
new file mode 100644
index 000000000..bdfce3b1e
--- /dev/null
+++ b/src/main/java/org/traccar/protocol/OrbcommProtocol.java
@@ -0,0 +1,40 @@
+/*
+ * Copyright 2022 Anton Tananaev (anton@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.protocol;
+
+import io.netty.handler.codec.http.HttpObjectAggregator;
+import io.netty.handler.codec.http.HttpRequestEncoder;
+import io.netty.handler.codec.http.HttpResponseDecoder;
+import org.traccar.BaseProtocol;
+import org.traccar.PipelineBuilder;
+import org.traccar.TrackerClient;
+
+public class OrbcommProtocol extends BaseProtocol {
+
+    public OrbcommProtocol() {
+        addClient(new TrackerClient(getName()) {
+            @Override
+            protected void addProtocolHandlers(PipelineBuilder pipeline) {
+                pipeline.addLast(new HttpRequestEncoder());
+                pipeline.addLast(new HttpResponseDecoder());
+                pipeline.addLast(new HttpObjectAggregator(65535));
+                pipeline.addLast(new OrbcommProtocolDecoder(OrbcommProtocol.this));
+                pipeline.addLast(new OrbcommProtocolPoller(OrbcommProtocol.this));
+            }
+        });
+    }
+
+}
diff --git a/src/main/java/org/traccar/protocol/OrbcommProtocolDecoder.java b/src/main/java/org/traccar/protocol/OrbcommProtocolDecoder.java
new file mode 100644
index 000000000..8f828beff
--- /dev/null
+++ b/src/main/java/org/traccar/protocol/OrbcommProtocolDecoder.java
@@ -0,0 +1,57 @@
+/*
+ * Copyright 2022 Anton Tananaev (anton@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.protocol;
+
+import io.netty.channel.Channel;
+import io.netty.handler.codec.http.FullHttpResponse;
+import org.traccar.BasePipelineFactory;
+import org.traccar.BaseProtocolDecoder;
+import org.traccar.Protocol;
+
+import javax.json.Json;
+import javax.json.JsonObject;
+import java.io.StringReader;
+import java.net.SocketAddress;
+import java.nio.charset.StandardCharsets;
+import java.text.DateFormat;
+import java.text.SimpleDateFormat;
+import java.util.TimeZone;
+
+public class OrbcommProtocolDecoder extends BaseProtocolDecoder {
+
+    public OrbcommProtocolDecoder(Protocol protocol) {
+        super(protocol);
+    }
+
+    @Override
+    protected Object decode(
+            Channel channel, SocketAddress remoteAddress, Object msg) throws Exception {
+
+        FullHttpResponse response = (FullHttpResponse) msg;
+        String content = response.content().toString(StandardCharsets.UTF_8);
+        JsonObject json = Json.createReader(new StringReader(content)).readObject();
+
+        OrbcommProtocolPoller poller = BasePipelineFactory.getHandler(channel.pipeline(), OrbcommProtocolPoller.class);
+        if (poller != null) {
+            DateFormat dateFormat = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
+            dateFormat.setTimeZone(TimeZone.getTimeZone("UTC"));
+            poller.setStartTime(dateFormat.parse(json.getString("NextStartUTC")));
+        }
+
+        return null;
+    }
+
+}
diff --git a/src/main/java/org/traccar/protocol/OrbcommProtocolPoller.java b/src/main/java/org/traccar/protocol/OrbcommProtocolPoller.java
new file mode 100644
index 000000000..87fa039e1
--- /dev/null
+++ b/src/main/java/org/traccar/protocol/OrbcommProtocolPoller.java
@@ -0,0 +1,69 @@
+/*
+ * Copyright 2022 Anton Tananaev (anton@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.protocol;
+
+import io.netty.buffer.Unpooled;
+import io.netty.channel.Channel;
+import io.netty.handler.codec.http.DefaultFullHttpRequest;
+import io.netty.handler.codec.http.HttpMethod;
+import io.netty.handler.codec.http.HttpRequest;
+import io.netty.handler.codec.http.HttpVersion;
+import io.netty.handler.codec.http.QueryStringEncoder;
+import org.traccar.BaseProtocolPoller;
+import org.traccar.Context;
+import org.traccar.Protocol;
+import org.traccar.config.Keys;
+
+import java.net.SocketAddress;
+import java.text.DateFormat;
+import java.text.SimpleDateFormat;
+import java.util.Date;
+import java.util.TimeZone;
+
+public class OrbcommProtocolPoller extends BaseProtocolPoller {
+
+    private final String accessId;
+    private final String password;
+
+    private Date startTime = new Date();
+
+    public void setStartTime(Date startTime) {
+        this.startTime = startTime;
+    }
+
+    public OrbcommProtocolPoller(Protocol protocol) {
+        super(protocol);
+        accessId = Context.getConfig().getString(Keys.ORBCOMM_ACCESS_ID);
+        password = Context.getConfig().getString(Keys.ORBCOMM_PASSWORD);
+    }
+
+    @Override
+    protected void sendRequest(Channel channel, SocketAddress remoteAddress) {
+
+        QueryStringEncoder encoder = new QueryStringEncoder("/GLGW/2/RestMessages.svc/JSON/get_return_messages/");
+        encoder.addParam("access_id", accessId);
+        encoder.addParam("password", password);
+
+        DateFormat dateFormat = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
+        dateFormat.setTimeZone(TimeZone.getTimeZone("UTC"));
+        encoder.addParam("start_utc", dateFormat.format(startTime));
+
+        HttpRequest request = new DefaultFullHttpRequest(
+                HttpVersion.HTTP_1_1, HttpMethod.POST, encoder.toString(), Unpooled.buffer());
+        channel.writeAndFlush(request);
+    }
+
+}