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authorAnton Tananaev <anton.tananaev@gmail.com>2022-01-15 23:20:48 -0800
committerGitHub <noreply@github.com>2022-01-15 23:20:48 -0800
commit4f30409c3bf1c2ea70823eb45bdf43bc5a4b6ad1 (patch)
treeecdad61979167b4fc605ba2ec4420709b5c1b0fd /src/main/java/org/traccar/TrackerClient.java
parent839751e76e329adb573150644bd6198beba0d3b6 (diff)
parent0ce163ba62cc991fee56d9c05fca41c9f7a28143 (diff)
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Merge pull request #4797 from traccar/polling
Implement polling protocol support
Diffstat (limited to 'src/main/java/org/traccar/TrackerClient.java')
-rw-r--r--src/main/java/org/traccar/TrackerClient.java125
1 files changed, 125 insertions, 0 deletions
diff --git a/src/main/java/org/traccar/TrackerClient.java b/src/main/java/org/traccar/TrackerClient.java
new file mode 100644
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+++ b/src/main/java/org/traccar/TrackerClient.java
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+/*
+ * 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;
+
+import io.netty.bootstrap.Bootstrap;
+import io.netty.channel.group.ChannelGroup;
+import io.netty.channel.group.DefaultChannelGroup;
+import io.netty.channel.socket.nio.NioSocketChannel;
+import io.netty.handler.ssl.SslHandler;
+import io.netty.util.concurrent.Future;
+import io.netty.util.concurrent.GenericFutureListener;
+import io.netty.util.concurrent.GlobalEventExecutor;
+import org.traccar.config.Keys;
+
+import javax.net.ssl.SSLContext;
+import javax.net.ssl.SSLEngine;
+import java.util.concurrent.TimeUnit;
+
+public abstract class TrackerClient implements TrackerConnector {
+
+ private final boolean secure;
+ private final long interval;
+
+ private final Bootstrap bootstrap;
+
+ private final int port;
+ private final String address;
+ private final String[] devices;
+
+ private final ChannelGroup channelGroup = new DefaultChannelGroup(GlobalEventExecutor.INSTANCE);
+
+ @Override
+ public boolean isDatagram() {
+ return false;
+ }
+
+ @Override
+ public boolean isSecure() {
+ return secure;
+ }
+
+ public TrackerClient(String protocol) {
+
+ secure = Context.getConfig().getBoolean(Keys.PROTOCOL_SSL.withPrefix(protocol));
+ interval = Context.getConfig().getLong(Keys.PROTOCOL_INTERVAL.withPrefix(protocol));
+ address = Context.getConfig().getString(Keys.PROTOCOL_ADDRESS.withPrefix(protocol));
+ port = Context.getConfig().getInteger(Keys.PROTOCOL_PORT.withPrefix(protocol), secure ? 443 : 80);
+ devices = Context.getConfig().getString(Keys.PROTOCOL_DEVICES.withPrefix(protocol)).split("[, ]");
+
+ BasePipelineFactory pipelineFactory = new BasePipelineFactory(this, protocol) {
+ @Override
+ protected void addTransportHandlers(PipelineBuilder pipeline) {
+ try {
+ if (isSecure()) {
+ SSLEngine engine = SSLContext.getDefault().createSSLEngine();
+ engine.setUseClientMode(true);
+ pipeline.addLast(new SslHandler(engine));
+ }
+ } catch (Exception e) {
+ throw new RuntimeException(e);
+ }
+ }
+
+ @Override
+ protected void addProtocolHandlers(PipelineBuilder pipeline) {
+ try {
+ TrackerClient.this.addProtocolHandlers(pipeline);
+ } catch (Exception e) {
+ throw new RuntimeException(e);
+ }
+ }
+ };
+
+ bootstrap = new Bootstrap()
+ .group(EventLoopGroupFactory.getWorkerGroup())
+ .channel(NioSocketChannel.class)
+ .handler(pipelineFactory);
+ }
+
+ protected abstract void addProtocolHandlers(PipelineBuilder pipeline) throws Exception;
+
+ public String[] getDevices() {
+ return devices;
+ }
+
+ @Override
+ public ChannelGroup getChannelGroup() {
+ return channelGroup;
+ }
+
+ @Override
+ public void start() throws Exception {
+ bootstrap.connect(address, port)
+ .syncUninterruptibly().channel().closeFuture().addListener(new GenericFutureListener<>() {
+ @Override
+ public void operationComplete(Future<? super Void> future) {
+ if (interval > 0) {
+ GlobalEventExecutor.INSTANCE.schedule(() -> {
+ bootstrap.connect(address, port)
+ .syncUninterruptibly().channel().closeFuture().addListener(this);
+ }, interval, TimeUnit.SECONDS);
+ }
+ }
+ });
+ }
+
+ @Override
+ public void stop() {
+ channelGroup.close().awaitUninterruptibly();
+ }
+
+}