Press n or j to go to the next uncovered block, b, p or k for the previous block.
| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 | 24x 24x 24x 24x 24x 24x 63x 61x 57x 2x 2x 55x 2x 2x 53x 53x 53x 53x 53x 37x 16x 53x 53x 53x 53x 53x 53x 53x 53x 53x 53x 53x 2x 2x 2x 51x 24x 49x 49x 24x 410x 4x 126x 126x 121x 121x 121x 80x 41x 121x 21x 121x 24x 35x 1x 34x 34x 34x 24x 10x 1x 1x 9x 9x 9x 24x 208x 208x 208x 136x 72x 72x 72x 86x 86x 86x 1376x 461x 461x 237x 461x 915x 915x 165x 1376x 86x 72x 24x 242x 242x 242x 28x 214x 24x 190x 2x 188x 24x 164x 2x 2x 162x 12x 150x 150x 12x 138x 138x 12x 126x 126x 24x 102x 12x 90x 4x 4x 86x 86x 86x 4x 4x 82x 24x 79x 79x 79x 79x 201x 201x 201x 122x 201x 79x 24x 117x 112x 112x 112x 117x 112x 5x 1x 2x 1x 5x 5x 1x 4x 24x 15x 15x 15x 15x 97x 16x 2x 2x 2x 2x 2x 2x 2x 2x 7x 7x 5x 2x 19x 19x 59x 7x 12x 11x 11x 24x 2363x 2363x 2363x 20x 3x 1x 2x 2x 2x 2x 2x 2x 2x 5x 1x 4x 4x 2x 2x 2403x 25x 2378x 2378x 224x 2154x 1024x 1130x 10x 2x 8x 8x | import _ from 'lodash';
import {proto} from './constants';
import * as utils from './utils';
import * as storage from './storage';
export const SI_TIME_CUTOFF = 43200; // Half a day in seconds
export const arr2date = (arr: number[], asOf?: Date): Date|undefined => {
utils.assertIsByteArr(arr);
utils.assertArrIsOfLengths(arr, [3, 6, 7]);
if (arr[0] > 99) {
console.warn(`arr2date: Invalid year: ${arr[0]}`);
return undefined;
}
if (arr[1] === 0) {
console.warn(`arr2date: Invalid month: ${arr[1]}`);
return undefined;
}
const maxYear = asOf ? asOf.getUTCFullYear() : new Date().getUTCFullYear();
const getYear = (lastTwoDigits: number): number => {
const maxLastTwo = (maxYear % 100);
const maxRest = maxYear - maxLastTwo;
if (lastTwoDigits <= maxLastTwo) {
return lastTwoDigits + maxRest;
}
return lastTwoDigits + maxRest - 100;
};
const year = getYear(arr[0]);
const month = arr[1] - 1;
const day = arr[2];
const secs = arr.length < 6 ? 0 : utils.arr2big(arr.slice(4, 6));
const hours = arr.length < 6 ? 0 : (arr[3] & 0x01) * 12 + Math.floor(secs / 3600);
const minutes = arr.length < 6 ? 0 : Math.floor((secs % 3600) / 60);
const seconds = arr.length < 6 ? 0 : secs % 60;
const milliseconds = arr.length < 7 ? 0 : arr[6] * 1000 / 256;
const date = new Date(year, month, day, hours, minutes, seconds, milliseconds);
const isValidDate = (
date.getFullYear() === year
&& date.getMonth() === month
&& date.getDate() === day
&& date.getHours() === hours
&& date.getMinutes() === minutes
&& date.getSeconds() === seconds
&& date.getMilliseconds() === Math.floor(milliseconds)
);
if (!isValidDate) {
const rawDate = `${year}-${month}-${day} ${hours}:${minutes}:${seconds}.${milliseconds}`;
console.warn(`arr2date: Invalid date: ${date} (raw: ${rawDate})`);
return undefined;
}
return date;
};
export const date2arr = (dateTime: Date): number[] => {
const secs = (dateTime.getHours() % 12) * 3600 + dateTime.getMinutes() * 60 + dateTime.getSeconds();
return [
dateTime.getFullYear() % 100,
dateTime.getMonth() + 1,
dateTime.getDate(),
(dateTime.getDay() << 1) + Math.floor(dateTime.getHours() / 12),
secs >> 8,
secs & 0xFF,
Math.floor(dateTime.getMilliseconds() * 256 / 1000),
];
};
export const arr2cardNumber = (arr: (number|undefined)[]): number|undefined => {
if (arr.some((byte) => byte === undefined)) {
return undefined;
}
utils.assertIsByteArr(arr);
utils.assertArrIsOfLengths(arr, [3, 4]);
let cardnum = (arr[1]! << 8) | arr[0]!;
const fourthSet = (arr.length === 4 && arr[3]! !== 0x00);
if (fourthSet || 4 < arr[2]!) {
cardnum |= (arr[2]! << 16);
} else {
cardnum += (arr[2]! * 100000);
}
if (arr.length === 4) {
cardnum |= (arr[3]! << 24);
}
return cardnum;
};
export const cardNumber2arr = (cardNumber: number|undefined): (number|undefined)[] => {
if (cardNumber === undefined) {
return [undefined, undefined, undefined, undefined];
}
const arr2 = (cardNumber < 500000
? Math.floor(cardNumber / 100000) & 0xFF
: (cardNumber >> 16) & 0xFF
);
const newCardNumber = (cardNumber < 500000
? cardNumber - arr2 * 100000
: cardNumber
);
return [
newCardNumber & 0xFF,
(newCardNumber >> 8) & 0xFF,
arr2,
(newCardNumber >> 24) & 0xFF,
];
};
export interface SiMessageWithMode {
mode: number;
}
export interface SiMessageWithoutMode {
mode?: undefined;
command: number;
parameters: number[];
}
export type SiMessage = SiMessageWithMode|SiMessageWithoutMode;
export const prettyMessage = (message: SiMessage): string => {
if (message.mode !== undefined) {
const prettyMode = `Mode: ${utils.prettyHex([message.mode])} (${message.mode})\n`;
return `${prettyMode}`;
}
const prettyCommand = `Command: ${proto.cmdLookup[message.command]} ${utils.prettyHex([message.command])} (${message.command})\n`;
const prettyParameters = `Parameters: ${utils.prettyHex(message.parameters)} (${JSON.stringify(message.parameters)})`;
return `${prettyCommand}${prettyParameters}`;
};
export const CRC16 = (str: number[]): [number, number] => {
const CRC_POLYNOM = 0x8005;
const CRC_BITF = 0x8000;
if (str.length < 3) {
return [(1 <= str.length ? str[0] : 0x00), (2 <= str.length ? str[1] : 0x00)];
}
const s = str.length % 2 === 0 ? str.concat([0x00, 0x00]) : str.concat([0x00]);
let crc = s[0] * 0x100 + s[1];
for (let i = 2; i < s.length; i += 2) {
const c = s.slice(i, i + 2);
let val = c[0] * 0x100 + c[1];
for (let j = 0; j < 16; j++) {
if ((crc & CRC_BITF) !== 0) {
crc = (crc << 1);
if ((val & CRC_BITF) !== 0) {
crc += 1;
}
crc = (crc ^ CRC_POLYNOM);
} else {
crc = (crc << 1);
if ((val & CRC_BITF) !== 0) {
crc += 1;
}
}
val = (val << 1);
}
crc = (crc & 0xFFFF);
}
return [(crc >> 8), (crc & 0xFF)];
};
export interface SiMessageParseResult {
message: SiMessage|null;
remainder: number[];
}
export const parse = (inputData: number[]): SiMessageParseResult => {
const failAndProceed = (numBytes: number): SiMessageParseResult => ({
message: null,
remainder: inputData.slice(numBytes),
});
const specialModeAndProceed = (mode: number, numBytes: number): SiMessageParseResult => ({
message: {
mode: mode,
},
remainder: inputData.slice(numBytes),
});
if (inputData.length <= 0) {
return failAndProceed(0);
}
if (inputData[0] === proto.WAKEUP) {
return specialModeAndProceed(proto.WAKEUP, 1);
} else if (inputData[0] === proto.ACK) {
return specialModeAndProceed(proto.ACK, 1);
} else if (inputData[0] === proto.NAK) {
return specialModeAndProceed(proto.NAK, 1);
} else if (inputData[0] !== proto.STX) {
console.warn(`Invalid start byte: ${utils.prettyHex([inputData[0]])}`);
return failAndProceed(1);
}
if (inputData.length <= 1) {
return failAndProceed(0);
}
const command = inputData[1];
if (inputData.length <= 2) {
return failAndProceed(0);
}
const numParameters = inputData[2];
if (inputData.length <= 2 + numParameters) {
return failAndProceed(0);
}
const parameters = inputData.slice(3, 3 + numParameters);
if (inputData.length <= 4 + numParameters) {
return failAndProceed(0);
}
if (inputData.length <= 5 + numParameters) {
return failAndProceed(0);
}
if (inputData[5 + numParameters] !== proto.ETX) {
console.warn(`Invalid ETX byte: ${utils.prettyHex([inputData[5 + numParameters]])}`);
return failAndProceed(1);
}
const expectedCRC = CRC16(inputData.slice(1, 3 + numParameters));
const actualCRC = inputData.slice(3 + numParameters, 5 + numParameters);
if (!_.isEqual(actualCRC, expectedCRC)) {
console.warn(`Invalid CRC: ${utils.prettyHex(actualCRC)} (expected ${utils.prettyHex(expectedCRC)})`);
return failAndProceed(6 + numParameters);
}
return {
message: {
command: command,
parameters: parameters,
},
remainder: inputData.slice(6 + numParameters),
};
};
export interface SiMessagesParseResult {
messages: SiMessage[];
remainder: number[];
}
export const parseAll = (inputData: number[]): SiMessagesParseResult => {
let currentRemainder = inputData;
const messages = [];
let remainderWasShrinking = true;
while (remainderWasShrinking) {
const {message, remainder: newRemainder} = parse(currentRemainder);
remainderWasShrinking = newRemainder.length < currentRemainder.length;
if (message) {
messages.push(message);
}
currentRemainder = newRemainder;
}
return {
messages: messages,
remainder: currentRemainder,
};
};
export const render = (message: SiMessage): number[] => {
const renderCommand = (messageWithoutMode: SiMessageWithoutMode) => {
const commandString = [
messageWithoutMode.command,
messageWithoutMode.parameters.length,
...messageWithoutMode.parameters,
];
const crc = CRC16(commandString);
return [proto.STX, ...commandString, ...crc, proto.ETX] as number[];
};
if (message.mode === undefined) {
return renderCommand(message);
}
const renderFunctionsByMode: {[key: number]: () => number[]} = {
[proto.WAKEUP]: () => [proto.WAKEUP],
[proto.NAK]: () => [proto.NAK],
[proto.ACK]: () => [proto.ACK],
};
const renderFunction = renderFunctionsByMode[message.mode];
if (renderFunction === undefined) {
throw new Error(`Cannot render with mode ${utils.prettyHex([message.mode])}`);
}
return renderFunction();
};
export class SiDate extends storage.SiDataType<Date> implements storage.ISiDataType<Date> {
private readonly arrayField: storage.SiArray<number>;
constructor(
public length: number,
public getByteOffsetAtIndex: (index: number) => number,
) {
super();
this.arrayField = new storage.SiArray(
length,
(i) => new storage.SiInt([[getByteOffsetAtIndex(i)]]),
);
}
typeSpecificIsValueValid(_value: Date): boolean {
return true;
}
typeSpecificValueToString(value: Date): string {
const year = value.getFullYear();
const month = value.getMonth();
const day = value.getDate();
const hours = value.getHours();
const minutes = value.getMinutes();
const seconds = value.getSeconds();
const milliseconds = value.getMilliseconds();
return new Date(Date.UTC(year, month, day, hours, minutes, seconds, milliseconds)).toJSON();
}
typeSpecificValueFromString(string: string): Date|storage.ValueFromStringError {
const res = /^([0-9]{4})-([0-9]{2})-([0-9]{2})T([0-9]{2}):([0-9]{2}):([0-9]{2})\.([0-9]{3})Z$/.exec(string);
if (!res) {
return new storage.ValueFromStringError(`Not a correctly formatted date: ${string}`);
}
return new Date(
Number(res[1]),
Number(res[2]) - 1,
Number(res[3]),
Number(res[4]),
Number(res[5]),
Number(res[6]),
Number(res[7]),
);
}
typeSpecificExtractFromData(data: storage.ISiStorageData): Date|undefined {
const dateArray = this.arrayField.typeSpecificExtractFromData(data);
if (
dateArray === undefined
|| dateArray.some((byte: number|undefined) => byte === undefined)
) {
return undefined;
}
return arr2date(dateArray as number[]);
}
typeSpecificUpdateData(data: storage.ISiStorageData, newValue: Date): storage.ISiStorageData {
const newArrayValue = date2arr(newValue).slice(0, this.arrayField.length);
return this.arrayField.typeSpecificUpdateData(data, newArrayValue);
}
}
export type SiTimestamp = number|null;
export class SiTime extends storage.SiDataType<SiTimestamp> implements storage.ISiDataType<SiTimestamp> {
private readonly intField: storage.SiInt|undefined;
constructor(
public intParts: [[number], [number]]|undefined,
) {
super();
this.intField = (intParts === undefined
? undefined
: new storage.SiInt(intParts)
);
}
typeSpecificIsValueValid(value: SiTimestamp): boolean {
return value === null || value < SI_TIME_CUTOFF;
}
typeSpecificValueToString(value: SiTimestamp): string {
if (value === null) {
return 'NO_TIME';
}
const hours = Math.floor(value / 3600);
const minutes = Math.floor((value - hours * 3600) / 60);
const seconds = value - hours * 3600 - minutes * 60;
const hoursStr = `${hours}`.padStart(2, '0');
const minutesStr = `${minutes}`.padStart(2, '0');
const secondsStr = `${seconds}`.padStart(2, '0');
return `${hoursStr}:${minutesStr}:${secondsStr}`;
}
typeSpecificValueFromString(string: string): SiTimestamp|storage.ValueFromStringError {
if (string === 'NO_TIME') {
return null;
}
const res = /^([0-9]{2}):([0-9]{2}):([0-9]{2})$/.exec(string);
if (!res) {
return new storage.ValueFromStringError(`Not a correctly formatted date: ${string}`);
}
return Number(res[1]) * 3600 + Number(res[2]) * 60 + Number(res[3]);
}
typeSpecificExtractFromData(data: storage.ISiStorageData): SiTimestamp|undefined {
if (this.intField === undefined) {
return null;
}
const timeInt = this.intField.typeSpecificExtractFromData(data);
if (timeInt === proto.NO_TIME) {
return null;
}
if (timeInt === undefined || timeInt > SI_TIME_CUTOFF) {
return undefined;
}
return timeInt;
}
typeSpecificUpdateData(data: storage.ISiStorageData, newValue: SiTimestamp): storage.ISiStorageData {
if (this.intField === undefined) {
return data;
}
const newIntValue = (newValue === null) ? proto.NO_TIME : newValue;
return this.intField.typeSpecificUpdateData(data, newIntValue);
}
}
|