Refactor position forwarding

1 files changed, 0 insertions, 316 deletions

diff --git a/src/main/java/org/traccar/WebDataHandler.java b/src/main/java/org/traccar/WebDataHandler.java
deleted file mode 100644
index 2d2e3dc8f..000000000
--- a/src/main/java/org/traccar/WebDataHandler.java
+++ /dev/null
@@ -1,316 +0,0 @@
-/*
- * Copyright 2015 - 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 com.fasterxml.jackson.core.JsonProcessingException;
-import com.fasterxml.jackson.databind.ObjectMapper;
-import io.netty.channel.ChannelHandler;
-import io.netty.util.Timer;
-import io.netty.util.Timeout;
-import io.netty.util.TimerTask;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
-import org.traccar.config.Config;
-import org.traccar.config.Keys;
-import org.traccar.helper.Checksum;
-import org.traccar.model.Device;
-import org.traccar.model.Position;
-import org.traccar.model.Group;
-import org.traccar.session.cache.CacheManager;
-
-import javax.inject.Inject;
-import javax.inject.Singleton;
-import javax.ws.rs.core.HttpHeaders;
-import javax.ws.rs.core.MediaType;
-import javax.ws.rs.core.Response;
-import javax.ws.rs.client.Client;
-import javax.ws.rs.client.Entity;
-import javax.ws.rs.client.Invocation;
-import javax.ws.rs.client.InvocationCallback;
-import java.util.HashMap;
-import java.util.Map;
-import java.io.UnsupportedEncodingException;
-import java.net.URLEncoder;
-import java.nio.charset.StandardCharsets;
-import java.util.Calendar;
-import java.util.Formatter;
-import java.util.Locale;
-import java.util.TimeZone;
-import java.util.concurrent.TimeUnit;
-import java.util.concurrent.atomic.AtomicInteger;
-
-@Singleton
-@ChannelHandler.Sharable
-public class WebDataHandler extends BaseDataHandler {
-
-    private static final Logger LOGGER = LoggerFactory.getLogger(WebDataHandler.class);
-
-    private static final String KEY_POSITION = "position";
-    private static final String KEY_DEVICE = "device";
-
-    private final CacheManager cacheManager;
-    private final ObjectMapper objectMapper;
-    private final Client client;
-    private final Timer timer;
-
-    private final String url;
-    private final String header;
-    private final boolean json;
-    private final boolean urlVariables;
-
-    private final boolean retryEnabled;
-    private final int retryDelay;
-    private final int retryCount;
-    private final int retryLimit;
-
-    private final AtomicInteger deliveryPending;
-
-    @Inject
-    public WebDataHandler(
-            Config config, CacheManager cacheManager, ObjectMapper objectMapper, Client client, Timer timer) {
-
-        this.cacheManager = cacheManager;
-        this.objectMapper = objectMapper;
-        this.client = client;
-        this.timer = timer;
-        this.url = config.getString(Keys.FORWARD_URL);
-        this.header = config.getString(Keys.FORWARD_HEADER);
-        this.json = config.getBoolean(Keys.FORWARD_JSON);
-        this.urlVariables = config.getBoolean(Keys.FORWARD_URL_VARIABLES);
-
-        this.retryEnabled = config.getBoolean(Keys.FORWARD_RETRY_ENABLE);
-        this.retryDelay = config.getInteger(Keys.FORWARD_RETRY_DELAY, 100);
-        this.retryCount = config.getInteger(Keys.FORWARD_RETRY_COUNT, 10);
-        this.retryLimit = config.getInteger(Keys.FORWARD_RETRY_LIMIT, 100);
-
-        this.deliveryPending = new AtomicInteger(0);
-    }
-
-    private static String formatSentence(Position position) {
-
-        StringBuilder s = new StringBuilder("$GPRMC,");
-
-        try (Formatter f = new Formatter(s, Locale.ENGLISH)) {
-
-            Calendar calendar = Calendar.getInstance(TimeZone.getTimeZone("UTC"), Locale.ENGLISH);
-            calendar.setTimeInMillis(position.getFixTime().getTime());
-
-            f.format("%1$tH%1$tM%1$tS.%1$tL,A,", calendar);
-
-            double lat = position.getLatitude();
-            double lon = position.getLongitude();
-
-            f.format("%02d%07.4f,%c,", (int) Math.abs(lat), Math.abs(lat) % 1 * 60, lat < 0 ? 'S' : 'N');
-            f.format("%03d%07.4f,%c,", (int) Math.abs(lon), Math.abs(lon) % 1 * 60, lon < 0 ? 'W' : 'E');
-
-            f.format("%.2f,%.2f,", position.getSpeed(), position.getCourse());
-            f.format("%1$td%1$tm%1$ty,,", calendar);
-        }
-
-        s.append(Checksum.nmea(s.substring(1)));
-
-        return s.toString();
-    }
-
-    // OpenGTS status code
-    private String calculateStatus(Position position) {
-        if (position.hasAttribute(Position.KEY_ALARM)) {
-            return "0xF841"; // STATUS_PANIC_ON
-        } else if (position.getSpeed() < 1.0) {
-            return "0xF020"; // STATUS_LOCATION
-        } else {
-            return "0xF11C"; // STATUS_MOTION_MOVING
-        }
-    }
-
-    public String formatRequest(Position position) throws UnsupportedEncodingException, JsonProcessingException {
-
-        Device device = cacheManager.getObject(Device.class, position.getDeviceId());
-
-        String request = url
-                .replace("{name}", URLEncoder.encode(device.getName(), StandardCharsets.UTF_8.name()))
-                .replace("{uniqueId}", device.getUniqueId())
-                .replace("{status}", device.getStatus())
-                .replace("{deviceId}", String.valueOf(position.getDeviceId()))
-                .replace("{protocol}", String.valueOf(position.getProtocol()))
-                .replace("{deviceTime}", String.valueOf(position.getDeviceTime().getTime()))
-                .replace("{fixTime}", String.valueOf(position.getFixTime().getTime()))
-                .replace("{valid}", String.valueOf(position.getValid()))
-                .replace("{latitude}", String.valueOf(position.getLatitude()))
-                .replace("{longitude}", String.valueOf(position.getLongitude()))
-                .replace("{altitude}", String.valueOf(position.getAltitude()))
-                .replace("{speed}", String.valueOf(position.getSpeed()))
-                .replace("{course}", String.valueOf(position.getCourse()))
-                .replace("{accuracy}", String.valueOf(position.getAccuracy()))
-                .replace("{statusCode}", calculateStatus(position));
-
-        if (position.getAddress() != null) {
-            request = request.replace(
-                    "{address}", URLEncoder.encode(position.getAddress(), StandardCharsets.UTF_8.name()));
-        }
-
-        if (request.contains("{attributes}")) {
-            String attributes = objectMapper.writeValueAsString(position.getAttributes());
-            request = request.replace(
-                    "{attributes}", URLEncoder.encode(attributes, StandardCharsets.UTF_8.name()));
-        }
-
-        if (request.contains("{gprmc}")) {
-            request = request.replace("{gprmc}", formatSentence(position));
-        }
-
-        if (request.contains("{group}")) {
-            String deviceGroupName = "";
-            if (device.getGroupId() != 0) {
-                Group group = cacheManager.getObject(Group.class, device.getGroupId());
-                if (group != null) {
-                    deviceGroupName = group.getName();
-                }
-            }
-
-            request = request.replace("{group}", URLEncoder.encode(deviceGroupName, StandardCharsets.UTF_8.name()));
-        }
-
-        return request;
-    }
-
-    class AsyncRequestAndCallback implements InvocationCallback<Response>, TimerTask {
-
-        private int retries = 0;
-        private Map<String, Object> payload;
-        private final Invocation.Builder requestBuilder;
-        private MediaType mediaType = MediaType.APPLICATION_JSON_TYPE;
-
-        AsyncRequestAndCallback(Position position) {
-
-            String formattedUrl;
-            try {
-                formattedUrl = json && !urlVariables ? url : formatRequest(position);
-            } catch (UnsupportedEncodingException | JsonProcessingException e) {
-                throw new RuntimeException("Forwarding formatting error", e);
-            }
-
-            requestBuilder = client.target(formattedUrl).request();
-            if (header != null && !header.isEmpty()) {
-                for (String line: header.split("\\r?\\n")) {
-                    String[] values = line.split(":", 2);
-                    String headerName = values[0].trim();
-                    String headerValue = values[1].trim();
-                    if (headerName.equals(HttpHeaders.CONTENT_TYPE)) {
-                        mediaType = MediaType.valueOf(headerValue);
-                    } else {
-                        requestBuilder.header(headerName, headerValue);
-                    }
-                }
-            }
-
-            if (json) {
-                payload = prepareJsonPayload(position);
-            }
-
-            deliveryPending.incrementAndGet();
-        }
-
-        private void send() {
-            LOGGER.debug("Position forwarding initiated");
-            if (json) {
-                try {
-                    Entity<String> entity = Entity.entity(objectMapper.writeValueAsString(payload), mediaType);
-                    requestBuilder.async().post(entity, this);
-                } catch (JsonProcessingException e) {
-                    throw new RuntimeException("Failed to serialize location to json", e);
-                }
-            } else {
-                requestBuilder.async().get(this);
-            }
-        }
-
-        private void retry(Throwable throwable) {
-            boolean scheduled = false;
-            try {
-                if (retryEnabled && deliveryPending.get() <= retryLimit && retries < retryCount) {
-                    schedule();
-                    scheduled = true;
-                }
-            } finally {
-                int pending = scheduled ? deliveryPending.get() : deliveryPending.decrementAndGet();
-                LOGGER.warn("Position forwarding failed: " + pending + " pending", throwable);
-            }
-        }
-
-        private void schedule() {
-            timer.newTimeout(this, retryDelay * (long) Math.pow(2, retries++), TimeUnit.MILLISECONDS);
-        }
-
-        @Override
-        public void completed(Response response) {
-            if (response.getStatusInfo().getFamily() == Response.Status.Family.SUCCESSFUL) {
-                deliveryPending.decrementAndGet();
-                LOGGER.debug("Position forwarding succeeded");
-            } else {
-                retry(new RuntimeException("Status code 2xx expected"));
-            }
-        }
-
-        @Override
-        public void failed(Throwable throwable) {
-            retry(throwable);
-        }
-
-        @Override
-        public void run(Timeout timeout) {
-            boolean sent = false;
-            try {
-                if (!timeout.isCancelled()) {
-                    send();
-                    sent = true;
-                }
-            } finally {
-                if (!sent) {
-                    deliveryPending.decrementAndGet();
-                }
-            }
-        }
-
-    }
-
-    @Override
-    protected Position handlePosition(Position position) {
-
-        if (url != null) {
-            AsyncRequestAndCallback request = new AsyncRequestAndCallback(position);
-            request.send();
-        }
-
-        return position;
-    }
-
-    private Map<String, Object> prepareJsonPayload(Position position) {
-
-        Map<String, Object> data = new HashMap<>();
-        Device device = cacheManager.getObject(Device.class, position.getDeviceId());
-
-        data.put(KEY_POSITION, position);
-
-        if (device != null) {
-            data.put(KEY_DEVICE, device);
-        }
-
-        return data;
-    }
-
-}