2 * Copyright (c) 2010-2021 Contributors to the openHAB project
4 * See the NOTICE file(s) distributed with this work for additional
7 * This program and the accompanying materials are made available under the
8 * terms of the Eclipse Public License 2.0 which is available at
9 * http://www.eclipse.org/legal/epl-2.0
11 * SPDX-License-Identifier: EPL-2.0
13 package org.openhab.binding.miio.internal.robot;
15 import java.io.ByteArrayOutputStream;
17 import java.io.FileInputStream;
18 import java.io.IOException;
19 import java.io.InputStream;
20 import java.io.PrintWriter;
21 import java.io.StringWriter;
22 import java.security.MessageDigest;
23 import java.security.NoSuchAlgorithmException;
24 import java.util.ArrayList;
25 import java.util.Arrays;
26 import java.util.HashMap;
28 import java.util.Map.Entry;
29 import java.util.zip.GZIPInputStream;
31 import org.eclipse.jdt.annotation.NonNullByDefault;
32 import org.eclipse.jdt.annotation.Nullable;
33 import org.openhab.binding.miio.internal.Utils;
34 import org.slf4j.Logger;
35 import org.slf4j.LoggerFactory;
38 * The {@link RRMapFileParser} is used to parse the RR map file format created by Xiaomi / RockRobo vacuum
40 * @author Marcel Verpaalen - Initial contribution
43 public class RRMapFileParser {
44 public static final int CHARGER = 1;
45 public static final int IMAGE = 2;
46 public static final int PATH = 3;
47 public static final int GOTO_PATH = 4;
48 public static final int GOTO_PREDICTED_PATH = 5;
49 public static final int CURRENTLY_CLEANED_ZONES = 6;
50 public static final int GOTO_TARGET = 7;
51 public static final int ROBOT_POSITION = 8;
52 public static final int NO_GO_AREAS = 9;
53 public static final int VIRTUAL_WALLS = 10;
54 public static final int BLOCKS = 11;
55 public static final int MOB_FORBIDDEN_AREA = 12;
56 public static final int OBSTACLES = 13;
57 public static final int IGNORED_OBSTACLES = 14;
58 public static final int OBSTACLES2 = 15;
59 public static final int IGNORED_OBSTACLES2 = 16;
60 public static final int CARPET_MAP = 17;
61 public static final int MOP_PATH = 18;
62 public static final int CARPET_FORBIDDEN_AREA = 19;
64 public static final int DIGEST = 1024;
65 public static final int HEADER = 0x7272;
67 public static final String PATH_POINT_LENGTH = "pointLength";
68 public static final String PATH_POINT_SIZE = "pointSize";
69 public static final String PATH_ANGLE = "angle";
71 private byte[] image = new byte[] { 0 };
72 private final int majorVersion;
73 private final int minorVersion;
74 private final int mapIndex;
75 private final int mapSequence;
76 private boolean isValid;
78 private int imgHeight;
80 private int imageSize;
89 private float gotoX = 0;
90 private float gotoY = 0;
91 private Map<Integer, ArrayList<float[]>> paths = new HashMap<>();
92 private Map<Integer, Map<String, Integer>> pathsDetails = new HashMap<>();
93 private Map<Integer, ArrayList<float[]>> areas = new HashMap<>();
94 private ArrayList<float[]> walls = new ArrayList<>();
95 private ArrayList<float[]> zones = new ArrayList<>();
96 private Map<Integer, ArrayList<int[]>> obstacles = new HashMap<>();
97 private byte[] blocks = new byte[0];
98 private int[] carpetMap = {};
99 private int[] mopPath = {};
101 private final Logger logger = LoggerFactory.getLogger(RRMapFileParser.class);
103 public RRMapFileParser(byte[] raw) {
104 boolean printBlockDetails = false;
105 int mapHeaderLength = getUInt16(raw, 0x02);
106 int mapDataLength = getUInt32LE(raw, 0x04);
107 this.majorVersion = getUInt16(raw, 0x08);
108 this.minorVersion = getUInt16(raw, 0x0A);
109 this.mapIndex = getUInt32LE(raw, 0x0C);
110 this.mapSequence = getUInt32LE(raw, 0x10);
112 int blockStartPos = getUInt16(raw, 0x02); // main header length
113 while (blockStartPos < raw.length) {
114 int blockHeaderLength = getUInt16(raw, blockStartPos + 0x02);
115 byte[] header = getBytes(raw, blockStartPos, blockHeaderLength);
116 int blocktype = getUInt16(header, 0x00);
117 int blockDataLength = getUInt32LE(header, 0x04);
118 int blockDataStart = blockStartPos + blockHeaderLength;
119 byte[] data = getBytes(raw, blockDataStart, blockDataLength);
123 this.chargerX = getUInt32LE(raw, blockStartPos + 0x08);
124 this.chargerY = getUInt32LE(raw, blockStartPos + 0x0C);
127 this.imageSize = blockDataLength;// (getUInt32LE(raw, blockStartPos + 0x04));
128 if (blockHeaderLength > 0x1C) {
129 logger.debug("block 2 unknown value @pos 8: {}", getUInt32LE(header, 0x08));
131 this.top = getUInt32LE(header, blockHeaderLength - 16);
132 this.left = getUInt32LE(header, blockHeaderLength - 12);
133 this.imgHeight = (getUInt32LE(header, blockHeaderLength - 8));
134 this.imgWidth = getUInt32LE(header, blockHeaderLength - 4);
138 this.roboX = getUInt32LE(data, 0x00);
139 this.roboY = getUInt32LE(data, 0x04);
140 if (blockDataLength > 8) { // model S6
141 this.roboA = getUInt32LE(data, 0x08);
146 case GOTO_PREDICTED_PATH:
147 ArrayList<float[]> path = new ArrayList<float[]>();
148 Map<String, Integer> detail = new HashMap<String, Integer>();
149 int pairs = getUInt32LE(header, 0x04) / 4;
150 detail.put(PATH_POINT_LENGTH, getUInt32LE(header, 0x08));
151 detail.put(PATH_POINT_SIZE, getUInt32LE(header, 0x0C));
152 detail.put(PATH_ANGLE, getUInt32LE(header, 0x10));
153 for (int pathpair = 0; pathpair < pairs; pathpair++) {
154 float x = (getUInt16(getBytes(raw, blockDataStart + pathpair * 4, 2)));
155 float y = getUInt16(getBytes(raw, blockDataStart + pathpair * 4 + 2, 2));
156 path.add(new float[] { x, y });
158 paths.put(blocktype, path);
159 pathsDetails.put(blocktype, detail);
161 case CURRENTLY_CLEANED_ZONES:
162 int zonePairs = getUInt16(header, 0x08);
163 for (int zonePair = 0; zonePair < zonePairs; zonePair++) {
164 float x0 = (getUInt16(raw, blockDataStart + zonePair * 8));
165 float y0 = getUInt16(raw, blockDataStart + zonePair * 8 + 2);
166 float x1 = (getUInt16(raw, blockDataStart + zonePair * 8 + 4));
167 float y1 = getUInt16(raw, blockDataStart + zonePair * 8 + 6);
168 zones.add(new float[] { x0, y0, x1, y1 });
172 this.gotoX = getUInt16(data, 0x00);
173 this.gotoY = getUInt16(data, 0x02);
176 isValid = Arrays.equals(data, sha1Hash(getBytes(raw, 0, mapHeaderLength + mapDataLength - 20)));
179 int wallPairs = getUInt16(header, 0x08);
180 for (int wallPair = 0; wallPair < wallPairs; wallPair++) {
181 float x0 = (getUInt16(raw, blockDataStart + wallPair * 8));
182 float y0 = getUInt16(raw, blockDataStart + wallPair * 8 + 2);
183 float x1 = (getUInt16(raw, blockDataStart + wallPair * 8 + 4));
184 float y1 = getUInt16(raw, blockDataStart + wallPair * 8 + 6);
185 walls.add(new float[] { x0, y0, x1, y1 });
189 case MOB_FORBIDDEN_AREA:
190 case CARPET_FORBIDDEN_AREA:
191 int areaPairs = getUInt16(header, 0x08);
192 ArrayList<float[]> area = new ArrayList<float[]>();
193 for (int areaPair = 0; areaPair < areaPairs; areaPair++) {
194 float x0 = (getUInt16(raw, blockDataStart + areaPair * 16));
195 float y0 = getUInt16(raw, blockDataStart + areaPair * 16 + 2);
196 float x1 = (getUInt16(raw, blockDataStart + areaPair * 16 + 4));
197 float y1 = getUInt16(raw, blockDataStart + areaPair * 16 + 6);
198 float x2 = (getUInt16(raw, blockDataStart + areaPair * 16 + 8));
199 float y2 = getUInt16(raw, blockDataStart + areaPair * 16 + 10);
200 float x3 = (getUInt16(raw, blockDataStart + areaPair * 16 + 12));
201 float y3 = getUInt16(raw, blockDataStart + areaPair * 16 + 14);
202 area.add(new float[] { x0, y0, x1, y1, x2, y2, x3, y3 });
204 areas.put(Integer.valueOf(blocktype & 0xFF), area);
207 case IGNORED_OBSTACLES:
208 int obstaclePairs = getUInt16(header, 0x08);
209 ArrayList<int[]> obstacle = new ArrayList<>();
210 for (int obstaclePair = 0; obstaclePair < obstaclePairs; obstaclePair++) {
211 int x0 = getUInt16(data, obstaclePair * 5 + 0);
212 int y0 = getUInt16(data, obstaclePair * 5 + 2);
213 int u = data[obstaclePair * 5 + 0] & 0xFF;
214 obstacle.add(new int[] { x0, y0, u });
216 obstacles.put(Integer.valueOf(blocktype & 0xFF), obstacle);
219 int obstacle2Pairs = getUInt16(header, 0x08);
220 if (obstacle2Pairs == 0) {
223 int obstacleDataLenght = blockDataLength / obstacle2Pairs;
224 logger.trace("block 15 records lenght: {}", obstacleDataLenght);
225 ArrayList<int[]> obstacle2 = new ArrayList<>();
226 for (int obstaclePair = 0; obstaclePair < obstacle2Pairs; obstaclePair++) {
227 int x0 = getUInt16(data, obstaclePair * obstacleDataLenght + 0);
228 int y0 = getUInt16(data, obstaclePair * obstacleDataLenght + 2);
229 int u0 = getUInt16(data, obstaclePair * obstacleDataLenght + 4);
230 int u1 = getUInt16(data, obstaclePair * obstacleDataLenght + 6);
231 int u2 = getUInt32LE(data, obstaclePair * obstacleDataLenght + 8);
232 if (obstacleDataLenght == 28) {
233 if ((data[obstaclePair * obstacleDataLenght + 12] & 0xFF) == 0) {
234 logger.trace("obstacle with photo: No text");
236 byte[] txt = getBytes(data, obstaclePair * obstacleDataLenght + 12, 16);
237 logger.trace("obstacle with photo: {}", new String(txt));
239 obstacle2.add(new int[] { x0, y0, u0, u1, u2 });
241 int u3 = getUInt32LE(data, obstaclePair * obstacleDataLenght + 12);
242 obstacle2.add(new int[] { x0, y0, u0, u1, u2, u3 });
243 logger.trace("obstacle without photo.");
246 obstacles.put(Integer.valueOf(blocktype & 0xFF), obstacle2);
248 case IGNORED_OBSTACLES2:
249 int ignoredObstaclePairs = getUInt16(header, 0x08);
250 ArrayList<int[]> ignoredObstacle = new ArrayList<>();
251 for (int obstaclePair = 0; obstaclePair < ignoredObstaclePairs; obstaclePair++) {
252 int x0 = getUInt16(data, obstaclePair * 6 + 0);
253 int y0 = getUInt16(data, obstaclePair * 6 + 2);
254 int u = getUInt16(data, obstaclePair * 6 + 4);
255 ignoredObstacle.add(new int[] { x0, y0, u });
257 obstacles.put(Integer.valueOf(blocktype & 0xFF), ignoredObstacle);
260 carpetMap = new int[blockDataLength];
261 for (int carpetNode = 0; carpetNode < blockDataLength; carpetNode++) {
262 carpetMap[carpetNode] = data[carpetNode] & 0xFF;
266 mopPath = new int[blockDataLength];
267 for (int mopNode = 0; mopNode < blockDataLength; mopNode++) {
268 mopPath[mopNode] = data[mopNode] & 0xFF;
272 int blocksPairs = getUInt16(header, 0x08);
273 blocks = getBytes(data, 0, blocksPairs);
276 logger.info("Unknown blocktype {} (pls report to author)", blocktype);
277 printBlockDetails = true;
279 if (logger.isTraceEnabled() || printBlockDetails) {
280 logger.debug("Blocktype: {}", Integer.toString(blocktype));
281 logger.debug("Header len: {} data len: {} ", Integer.toString(blockHeaderLength),
282 Integer.toString(blockDataLength));
283 logger.debug("H: {}", Utils.getSpacedHex(header));
284 if (blockDataLength > 0) {
285 logger.debug("D: {}", (blockDataLength < 60 ? Utils.getSpacedHex(data)
286 : Utils.getSpacedHex(getBytes(data, 0, 60))));
288 printBlockDetails = false;
290 blockStartPos = blockStartPos + blockDataLength + (header[2] & 0xFF);
294 public static byte[] readRRMapFile(File file) throws IOException {
295 return readRRMapFile(new FileInputStream(file));
298 public static byte[] readRRMapFile(InputStream is) throws IOException {
299 ByteArrayOutputStream baos = new ByteArrayOutputStream();
300 try (GZIPInputStream in = new GZIPInputStream(is)) {
302 byte[] buf = new byte[bufsize];
304 readbytes = in.read(buf);
305 while (readbytes != -1) {
306 baos.write(buf, 0, readbytes);
307 readbytes = in.read(buf);
310 return baos.toByteArray();
314 private byte[] getBytes(byte[] raw, int pos, int len) {
315 return java.util.Arrays.copyOfRange(raw, pos, pos + len);
318 private int getUInt32LE(byte[] bytes, int pos) {
319 int value = bytes[0 + pos] & 0xFF;
320 value |= (bytes[1 + pos] << 8) & 0xFFFF;
321 value |= (bytes[2 + pos] << 16) & 0xFFFFFF;
322 value |= (bytes[3 + pos] << 24) & 0xFFFFFFFF;
326 private int getUInt16(byte[] bytes) {
327 return getUInt16(bytes, 0);
330 private int getUInt16(byte[] bytes, int pos) {
331 int value = bytes[0 + pos] & 0xFF;
332 value |= (bytes[1 + pos] << 8) & 0xFFFF;
337 public String toString() {
338 StringWriter sw = new StringWriter();
339 PrintWriter pw = new PrintWriter(sw);
340 pw.printf("RR Map:\tMajor Version: %d Minor version: %d Map Index: %d Map Sequence: %d\r\n", majorVersion,
341 minorVersion, mapIndex, mapSequence);
342 pw.printf("Image:\tsize: %9d\ttop: %9d\tleft: %9d height: %9d width: %9d\r\n", imageSize, top, left, imgHeight,
344 pw.printf("Charger pos:\tX: %.0f\tY: %.0f\r\n", getChargerX(), getChargerY());
345 pw.printf("Robo pos:\tX: %.0f\tY: %.0f\tAngle: %d\r\n", getRoboX(), getRoboY(), getRoboA());
346 pw.printf("Goto:\tX: %.0f\tY: %.0f\r\n", getGotoX(), getGotoY());
347 for (Entry<Integer, ArrayList<float[]>> area : areas.entrySet()) {
348 switch (area.getKey()) {
350 pw.print("Regular No Go zones:\t");
352 case MOB_FORBIDDEN_AREA:
353 pw.print("Mop No Go zones:\t");
355 case CARPET_FORBIDDEN_AREA:
356 pw.print("Carpet No Go zones:\t");
359 pw.print("Unknown type zones:\t");
361 pw.printf("%d\r\n", area.getValue().size());
362 printAreaDetails(area.getValue(), pw);
364 pw.printf("Walls:\t%d\r\n", walls.size());
365 printAreaDetails(walls, pw);
366 pw.printf("Zones:\t%d\r\n", zones.size());
367 printAreaDetails(zones, pw);
368 for (Entry<Integer, ArrayList<int[]>> obstacleType : obstacles.entrySet()) {
369 pw.printf("Obstacles Type (%d):\t%d\r\n", obstacleType.getKey(), obstacleType.getValue().size());
370 printObstacleDetails(obstacleType.getValue(), pw);
372 pw.printf("Blocks:\t%d\r\n", blocks.length);
374 for (Entry<Integer, Map<String, Integer>> pathDetail : pathsDetails.entrySet()) {
375 pw.printf("\r\nPath type:\t%d", pathDetail.getKey());
376 for (String detail : pathDetail.getValue().keySet()) {
377 pw.printf(" %s: %d", detail, pathDetail.getValue().get(detail));
381 pw.printf("Carpet Map:\t%d\r\n", carpetMap.length);
382 pw.printf("Mop Path:\t%d\r\n", mopPath.length);
384 return sw.toString();
387 private void printAreaDetails(@Nullable ArrayList<float[]> areas, PrintWriter pw) {
392 areas.forEach(area -> {
393 pw.print("\tArea coordinates:");
394 for (int i = 0; i < area.length; i++) {
395 pw.printf("\t%.0f", area[i]);
401 private void printObstacleDetails(@Nullable ArrayList<int[]> obstacle, PrintWriter pw) {
402 if (obstacle == null) {
406 obstacle.forEach(area -> {
407 pw.print("\tObstacle coordinates:");
408 for (int i = 0; i < area.length; i++) {
409 pw.printf("\t%d", area[i]);
416 * Compute SHA-1 hash value for the byte array
418 * @param inBytes ByteArray to be hashed
421 public static byte[] sha1Hash(byte[] inBytes) {
423 MessageDigest md = MessageDigest.getInstance("SHA-1");
424 return md.digest(inBytes);
425 } catch (NoSuchAlgorithmException e) {
426 return new byte[] { 0x00 };
430 public int getMajorVersion() {
434 public int getMinorVersion() {
438 public int getMapIndex() {
442 public int getMapSequence() {
446 public boolean isValid() {
450 public byte[] getImage() {
454 public int getImageSize() {
458 public int getImgHeight() {
462 public int getImgWidth() {
466 public int getTop() {
470 public int getLeft() {
474 public ArrayList<float[]> getZones() {
478 public float getRoboX() {
482 public float getRoboY() {
486 public float getChargerX() {
490 public float getChargerY() {
494 public float getGotoX() {
498 public float getGotoY() {
502 public int getRoboA() {
506 public Map<Integer, ArrayList<float[]>> getPaths() {
510 public Map<Integer, Map<String, Integer>> getPathsDetails() {
514 public ArrayList<float[]> getWalls() {
518 public Map<Integer, ArrayList<float[]>> getAreas() {
522 public Map<Integer, ArrayList<int[]>> getObstacles() {
526 public byte[] getBlocks() {
530 public final int[] getCarpetMap() {
534 public final int[] getMopPath() {