2 * Copyright (c) 2010-2023 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;
63 public static final int SMART_ZONES_PATH_TYPE = 20;
64 public static final int SMART_ZONES = 21;
65 public static final int CUSTOM_CARPET = 22;
66 public static final int CL_FORBIDDEN_ZONES = 23;
67 public static final int FLOOR_MAP = 24;
68 public static final int FURNITURES = 25;
69 public static final int DOCK_TYPE = 26;
70 public static final int ENEMIES = 27;
71 public static final int DIGEST = 1024;
72 public static final int HEADER = 0x7272;
74 public static final String PATH_POINT_LENGTH = "pointLength";
75 public static final String PATH_POINT_SIZE = "pointSize";
76 public static final String PATH_ANGLE = "angle";
78 private byte[] image = new byte[] { 0 };
79 private final int majorVersion;
80 private final int minorVersion;
81 private final int mapIndex;
82 private final int mapSequence;
83 private boolean isValid;
85 private int imgHeight;
87 private int imageSize;
96 private float gotoX = 0;
97 private float gotoY = 0;
98 private Map<Integer, ArrayList<float[]>> paths = new HashMap<>();
99 private Map<Integer, Map<String, Integer>> pathsDetails = new HashMap<>();
100 private Map<Integer, ArrayList<float[]>> areas = new HashMap<>();
101 private ArrayList<float[]> walls = new ArrayList<>();
102 private ArrayList<float[]> zones = new ArrayList<>();
103 private Map<Integer, ArrayList<int[]>> obstacles = new HashMap<>();
104 private byte[] blocks = new byte[0];
105 private int[] carpetMap = {};
106 private int[] mopPath = {};
108 private final Logger logger = LoggerFactory.getLogger(RRMapFileParser.class);
110 public RRMapFileParser(byte[] raw) {
111 boolean printBlockDetails = false;
112 int mapHeaderLength = getUInt16(raw, 0x02);
113 int mapDataLength = getUInt32LE(raw, 0x04);
114 this.majorVersion = getUInt16(raw, 0x08);
115 this.minorVersion = getUInt16(raw, 0x0A);
116 this.mapIndex = getUInt32LE(raw, 0x0C);
117 this.mapSequence = getUInt32LE(raw, 0x10);
119 int blockStartPos = getUInt16(raw, 0x02); // main header length
120 while (blockStartPos < raw.length) {
121 int blockHeaderLength = getUInt16(raw, blockStartPos + 0x02);
122 byte[] header = getBytes(raw, blockStartPos, blockHeaderLength);
123 int blocktype = getUInt16(header, 0x00);
124 int blockDataLength = getUInt32LE(header, 0x04);
125 int blockDataStart = blockStartPos + blockHeaderLength;
126 byte[] data = getBytes(raw, blockDataStart, blockDataLength);
130 this.chargerX = getUInt32LE(raw, blockStartPos + 0x08);
131 this.chargerY = getUInt32LE(raw, blockStartPos + 0x0C);
134 this.imageSize = blockDataLength;// (getUInt32LE(raw, blockStartPos + 0x04));
135 if (blockHeaderLength > 0x1C) {
136 logger.debug("block 2 unknown value @pos 8: {}", getUInt32LE(header, 0x08));
138 this.top = getUInt32LE(header, blockHeaderLength - 16);
139 this.left = getUInt32LE(header, blockHeaderLength - 12);
140 this.imgHeight = (getUInt32LE(header, blockHeaderLength - 8));
141 this.imgWidth = getUInt32LE(header, blockHeaderLength - 4);
145 this.roboX = getUInt32LE(data, 0x00);
146 this.roboY = getUInt32LE(data, 0x04);
147 if (blockDataLength > 8) { // model S6
148 this.roboA = getUInt32LE(data, 0x08);
153 case GOTO_PREDICTED_PATH:
154 ArrayList<float[]> path = new ArrayList<float[]>();
155 Map<String, Integer> detail = new HashMap<String, Integer>();
156 int pairs = getUInt32LE(header, 0x04) / 4;
157 detail.put(PATH_POINT_LENGTH, getUInt32LE(header, 0x08));
158 detail.put(PATH_POINT_SIZE, getUInt32LE(header, 0x0C));
159 detail.put(PATH_ANGLE, getUInt32LE(header, 0x10));
160 for (int pathpair = 0; pathpair < pairs; pathpair++) {
161 float x = (getUInt16(getBytes(raw, blockDataStart + pathpair * 4, 2)));
162 float y = getUInt16(getBytes(raw, blockDataStart + pathpair * 4 + 2, 2));
163 path.add(new float[] { x, y });
165 paths.put(blocktype, path);
166 pathsDetails.put(blocktype, detail);
168 case CURRENTLY_CLEANED_ZONES:
169 int zonePairs = getUInt16(header, 0x08);
170 for (int zonePair = 0; zonePair < zonePairs; zonePair++) {
171 float x0 = (getUInt16(raw, blockDataStart + zonePair * 8));
172 float y0 = getUInt16(raw, blockDataStart + zonePair * 8 + 2);
173 float x1 = (getUInt16(raw, blockDataStart + zonePair * 8 + 4));
174 float y1 = getUInt16(raw, blockDataStart + zonePair * 8 + 6);
175 zones.add(new float[] { x0, y0, x1, y1 });
179 this.gotoX = getUInt16(data, 0x00);
180 this.gotoY = getUInt16(data, 0x02);
183 isValid = Arrays.equals(data, sha1Hash(getBytes(raw, 0, mapHeaderLength + mapDataLength - 20)));
186 int wallPairs = getUInt16(header, 0x08);
187 for (int wallPair = 0; wallPair < wallPairs; wallPair++) {
188 float x0 = (getUInt16(raw, blockDataStart + wallPair * 8));
189 float y0 = getUInt16(raw, blockDataStart + wallPair * 8 + 2);
190 float x1 = (getUInt16(raw, blockDataStart + wallPair * 8 + 4));
191 float y1 = getUInt16(raw, blockDataStart + wallPair * 8 + 6);
192 walls.add(new float[] { x0, y0, x1, y1 });
196 case MOB_FORBIDDEN_AREA:
197 case CARPET_FORBIDDEN_AREA:
198 int areaPairs = getUInt16(header, 0x08);
199 ArrayList<float[]> area = new ArrayList<float[]>();
200 for (int areaPair = 0; areaPair < areaPairs; areaPair++) {
201 float x0 = (getUInt16(raw, blockDataStart + areaPair * 16));
202 float y0 = getUInt16(raw, blockDataStart + areaPair * 16 + 2);
203 float x1 = (getUInt16(raw, blockDataStart + areaPair * 16 + 4));
204 float y1 = getUInt16(raw, blockDataStart + areaPair * 16 + 6);
205 float x2 = (getUInt16(raw, blockDataStart + areaPair * 16 + 8));
206 float y2 = getUInt16(raw, blockDataStart + areaPair * 16 + 10);
207 float x3 = (getUInt16(raw, blockDataStart + areaPair * 16 + 12));
208 float y3 = getUInt16(raw, blockDataStart + areaPair * 16 + 14);
209 area.add(new float[] { x0, y0, x1, y1, x2, y2, x3, y3 });
211 areas.put(Integer.valueOf(blocktype & 0xFF), area);
214 case IGNORED_OBSTACLES:
215 int obstaclePairs = getUInt16(header, 0x08);
216 ArrayList<int[]> obstacle = new ArrayList<>();
217 for (int obstaclePair = 0; obstaclePair < obstaclePairs; obstaclePair++) {
218 int x0 = getUInt16(data, obstaclePair * 5 + 0);
219 int y0 = getUInt16(data, obstaclePair * 5 + 2);
220 int u = data[obstaclePair * 5 + 0] & 0xFF;
221 obstacle.add(new int[] { x0, y0, u });
223 obstacles.put(Integer.valueOf(blocktype & 0xFF), obstacle);
226 int obstacle2Pairs = getUInt16(header, 0x08);
227 if (obstacle2Pairs == 0) {
230 int obstacleDataLenght = blockDataLength / obstacle2Pairs;
231 logger.trace("block 15 records lenght: {}", obstacleDataLenght);
232 ArrayList<int[]> obstacle2 = new ArrayList<>();
233 for (int obstaclePair = 0; obstaclePair < obstacle2Pairs; obstaclePair++) {
234 int x0 = getUInt16(data, obstaclePair * obstacleDataLenght + 0);
235 int y0 = getUInt16(data, obstaclePair * obstacleDataLenght + 2);
236 int u0 = getUInt16(data, obstaclePair * obstacleDataLenght + 4);
237 int u1 = getUInt16(data, obstaclePair * obstacleDataLenght + 6);
238 int u2 = getUInt32LE(data, obstaclePair * obstacleDataLenght + 8);
239 if (obstacleDataLenght == 28) {
240 if ((data[obstaclePair * obstacleDataLenght + 12] & 0xFF) == 0) {
241 logger.trace("obstacle with photo: No text");
243 byte[] txt = getBytes(data, obstaclePair * obstacleDataLenght + 12, 16);
244 logger.trace("obstacle with photo: {}", new String(txt));
246 obstacle2.add(new int[] { x0, y0, u0, u1, u2 });
248 int u3 = getUInt32LE(data, obstaclePair * obstacleDataLenght + 12);
249 obstacle2.add(new int[] { x0, y0, u0, u1, u2, u3 });
250 logger.trace("obstacle without photo.");
253 obstacles.put(Integer.valueOf(blocktype & 0xFF), obstacle2);
255 case IGNORED_OBSTACLES2:
256 int ignoredObstaclePairs = getUInt16(header, 0x08);
257 ArrayList<int[]> ignoredObstacle = new ArrayList<>();
258 for (int obstaclePair = 0; obstaclePair < ignoredObstaclePairs; obstaclePair++) {
259 int x0 = getUInt16(data, obstaclePair * 6 + 0);
260 int y0 = getUInt16(data, obstaclePair * 6 + 2);
261 int u = getUInt16(data, obstaclePair * 6 + 4);
262 ignoredObstacle.add(new int[] { x0, y0, u });
264 obstacles.put(Integer.valueOf(blocktype & 0xFF), ignoredObstacle);
267 carpetMap = new int[blockDataLength];
268 for (int carpetNode = 0; carpetNode < blockDataLength; carpetNode++) {
269 carpetMap[carpetNode] = data[carpetNode] & 0xFF;
273 mopPath = new int[blockDataLength];
274 for (int mopNode = 0; mopNode < blockDataLength; mopNode++) {
275 mopPath[mopNode] = data[mopNode] & 0xFF;
279 int blocksPairs = getUInt16(header, 0x08);
280 blocks = getBytes(data, 0, blocksPairs);
282 case SMART_ZONES_PATH_TYPE:
285 case CL_FORBIDDEN_ZONES:
290 // new blocktypes not yet decoded
293 logger.info("Unknown blocktype {} (pls report to author)", blocktype);
294 printBlockDetails = true;
296 if (logger.isTraceEnabled() || printBlockDetails) {
297 logger.debug("Blocktype: {}", Integer.toString(blocktype));
298 logger.debug("Header len: {} data len: {} ", Integer.toString(blockHeaderLength),
299 Integer.toString(blockDataLength));
300 logger.debug("H: {}", Utils.getSpacedHex(header));
301 if (blockDataLength > 0) {
302 logger.debug("D: {}", (blockDataLength < 60 ? Utils.getSpacedHex(data)
303 : Utils.getSpacedHex(getBytes(data, 0, 60))));
305 printBlockDetails = false;
307 blockStartPos = blockStartPos + blockDataLength + (header[2] & 0xFF);
311 public static byte[] readRRMapFile(File file) throws IOException {
312 return readRRMapFile(new FileInputStream(file));
315 public static byte[] readRRMapFile(InputStream is) throws IOException {
316 ByteArrayOutputStream baos = new ByteArrayOutputStream();
317 try (GZIPInputStream in = new GZIPInputStream(is)) {
319 byte[] buf = new byte[bufsize];
321 readbytes = in.read(buf);
322 while (readbytes != -1) {
323 baos.write(buf, 0, readbytes);
324 readbytes = in.read(buf);
327 return baos.toByteArray();
331 private byte[] getBytes(byte[] raw, int pos, int len) {
332 return java.util.Arrays.copyOfRange(raw, pos, pos + len);
335 private int getUInt32LE(byte[] bytes, int pos) {
336 int value = bytes[0 + pos] & 0xFF;
337 value |= (bytes[1 + pos] << 8) & 0xFFFF;
338 value |= (bytes[2 + pos] << 16) & 0xFFFFFF;
339 value |= (bytes[3 + pos] << 24) & 0xFFFFFFFF;
343 private int getUInt16(byte[] bytes) {
344 return getUInt16(bytes, 0);
347 private int getUInt16(byte[] bytes, int pos) {
348 int value = bytes[0 + pos] & 0xFF;
349 value |= (bytes[1 + pos] << 8) & 0xFFFF;
354 public String toString() {
355 StringWriter sw = new StringWriter();
356 PrintWriter pw = new PrintWriter(sw);
357 pw.printf("RR Map:\tMajor Version: %d Minor version: %d Map Index: %d Map Sequence: %d\r\n", majorVersion,
358 minorVersion, mapIndex, mapSequence);
359 pw.printf("Image:\tsize: %9d\ttop: %9d\tleft: %9d height: %9d width: %9d\r\n", imageSize, top, left, imgHeight,
361 pw.printf("Charger pos:\tX: %.0f\tY: %.0f\r\n", getChargerX(), getChargerY());
362 pw.printf("Robo pos:\tX: %.0f\tY: %.0f\tAngle: %d\r\n", getRoboX(), getRoboY(), getRoboA());
363 pw.printf("Goto:\tX: %.0f\tY: %.0f\r\n", getGotoX(), getGotoY());
364 for (Entry<Integer, ArrayList<float[]>> area : areas.entrySet()) {
365 switch (area.getKey()) {
367 pw.print("Regular No Go zones:\t");
369 case MOB_FORBIDDEN_AREA:
370 pw.print("Mop No Go zones:\t");
372 case CARPET_FORBIDDEN_AREA:
373 pw.print("Carpet No Go zones:\t");
376 pw.print("Unknown type zones:\t");
378 pw.printf("%d\r\n", area.getValue().size());
379 printAreaDetails(area.getValue(), pw);
381 pw.printf("Walls:\t%d\r\n", walls.size());
382 printAreaDetails(walls, pw);
383 pw.printf("Zones:\t%d\r\n", zones.size());
384 printAreaDetails(zones, pw);
385 for (Entry<Integer, ArrayList<int[]>> obstacleType : obstacles.entrySet()) {
386 pw.printf("Obstacles Type (%d):\t%d\r\n", obstacleType.getKey(), obstacleType.getValue().size());
387 printObstacleDetails(obstacleType.getValue(), pw);
389 pw.printf("Blocks:\t%d\r\n", blocks.length);
391 for (Entry<Integer, Map<String, Integer>> pathDetail : pathsDetails.entrySet()) {
392 pw.printf("\r\nPath type:\t%d", pathDetail.getKey());
393 for (String detail : pathDetail.getValue().keySet()) {
394 pw.printf(" %s: %d", detail, pathDetail.getValue().get(detail));
398 pw.printf("Carpet Map:\t%d\r\n", carpetMap.length);
399 pw.printf("Mop Path:\t%d\r\n", mopPath.length);
401 return sw.toString();
404 private void printAreaDetails(@Nullable ArrayList<float[]> areas, PrintWriter pw) {
409 areas.forEach(area -> {
410 pw.print("\tArea coordinates:");
411 for (int i = 0; i < area.length; i++) {
412 pw.printf("\t%.0f", area[i]);
418 private void printObstacleDetails(@Nullable ArrayList<int[]> obstacle, PrintWriter pw) {
419 if (obstacle == null) {
423 obstacle.forEach(area -> {
424 pw.print("\tObstacle coordinates:");
425 for (int i = 0; i < area.length; i++) {
426 pw.printf("\t%d", area[i]);
433 * Compute SHA-1 hash value for the byte array
435 * @param inBytes ByteArray to be hashed
438 public static byte[] sha1Hash(byte[] inBytes) {
440 MessageDigest md = MessageDigest.getInstance("SHA-1");
441 return md.digest(inBytes);
442 } catch (NoSuchAlgorithmException e) {
443 return new byte[] { 0x00 };
447 public int getMajorVersion() {
451 public int getMinorVersion() {
455 public int getMapIndex() {
459 public int getMapSequence() {
463 public boolean isValid() {
467 public byte[] getImage() {
471 public int getImageSize() {
475 public int getImgHeight() {
479 public int getImgWidth() {
483 public int getTop() {
487 public int getLeft() {
491 public ArrayList<float[]> getZones() {
495 public float getRoboX() {
499 public float getRoboY() {
503 public float getChargerX() {
507 public float getChargerY() {
511 public float getGotoX() {
515 public float getGotoY() {
519 public int getRoboA() {
523 public Map<Integer, ArrayList<float[]>> getPaths() {
527 public Map<Integer, Map<String, Integer>> getPathsDetails() {
531 public ArrayList<float[]> getWalls() {
535 public Map<Integer, ArrayList<float[]>> getAreas() {
539 public Map<Integer, ArrayList<int[]>> getObstacles() {
543 public byte[] getBlocks() {
547 public final int[] getCarpetMap() {
551 public final int[] getMopPath() {