diff options
Diffstat (limited to 'src/main/java/org/traccar/WebDataHandler.java')
| -rw-r--r-- | src/main/java/org/traccar/WebDataHandler.java | 316 |
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; - } - -} |