zigbee-herdsman
Version:
An open source ZigBee gateway solution with node.js.
103 lines • 5.03 kB
JavaScript
;
var __importDefault = (this && this.__importDefault) || function (mod) {
return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
const constants_1 = require("../unpi/constants");
const unpi_1 = require("../unpi");
const definition_1 = __importDefault(require("./definition"));
const buffaloZnp_1 = __importDefault(require("./buffaloZnp"));
const parameterType_1 = __importDefault(require("./parameterType"));
const BufferAndListTypes = [
parameterType_1.default.BUFFER, parameterType_1.default.BUFFER8, parameterType_1.default.BUFFER16,
parameterType_1.default.BUFFER18, parameterType_1.default.BUFFER32, parameterType_1.default.BUFFER42,
parameterType_1.default.BUFFER100, parameterType_1.default.LIST_UINT16, parameterType_1.default.LIST_ROUTING_TABLE,
parameterType_1.default.LIST_BIND_TABLE, parameterType_1.default.LIST_NEIGHBOR_LQI, parameterType_1.default.LIST_NETWORK,
parameterType_1.default.LIST_ASSOC_DEV, parameterType_1.default.LIST_UINT8,
];
class ZpiObject {
subsystem;
command;
commandID;
payload;
type;
parameters;
constructor(type, subsystem, command, commandID, payload, parameters) {
this.subsystem = subsystem;
this.command = command;
this.commandID = commandID;
this.payload = payload;
this.type = type;
this.parameters = parameters;
}
static createRequest(subsystem, command, payload) {
if (!definition_1.default[subsystem]) {
throw new Error(`Subsystem '${subsystem}' does not exist`);
}
const cmd = definition_1.default[subsystem].find((c) => c.name === command);
if (!cmd) {
throw new Error(`Command '${command}' from subsystem '${subsystem}' not found`);
}
return new ZpiObject(cmd.type, subsystem, command, cmd.ID, payload, cmd.request);
}
toUnpiFrame() {
const buffer = this.createPayloadBuffer();
return new unpi_1.Frame(this.type, this.subsystem, this.commandID, buffer);
}
static fromUnpiFrame(frame) {
const cmd = definition_1.default[frame.subsystem].find((c) => c.ID === frame.commandID);
if (!cmd) {
throw new Error(`CommandID '${frame.commandID}' from subsystem '${frame.subsystem}' not found`);
}
const parameters = frame.type === constants_1.Type.SRSP ? cmd.response : cmd.request;
if (parameters === undefined) {
/* istanbul ignore next */
throw new Error(`CommandID '${frame.commandID}' from subsystem '${frame.subsystem}' cannot be a ` +
`${frame.type === constants_1.Type.SRSP ? 'response' : 'request'}`);
}
const payload = this.readParameters(frame.data, parameters);
return new ZpiObject(frame.type, frame.subsystem, cmd.name, cmd.ID, payload, parameters);
}
static readParameters(buffer, parameters) {
const buffalo = new buffaloZnp_1.default(buffer);
const result = {};
for (const parameter of parameters) {
const options = {};
if (BufferAndListTypes.includes(parameter.parameterType)) {
// When reading a buffer, assume that the previous parsed parameter contains
// the length of the buffer
const lengthParameter = parameters[parameters.indexOf(parameter) - 1];
const length = result[lengthParameter.name];
/* istanbul ignore else */
if (typeof length === 'number') {
options.length = length;
}
if (parameter.parameterType === parameterType_1.default.LIST_ASSOC_DEV) {
// For LIST_ASSOC_DEV, we also need to grab the startindex which is right before the length
const startIndexParameter = parameters[parameters.indexOf(parameter) - 2];
const startIndex = result[startIndexParameter.name];
/* istanbul ignore else */
if (typeof startIndex === 'number') {
options.startIndex = startIndex;
}
}
}
result[parameter.name] = buffalo.read(parameterType_1.default[parameter.parameterType], options);
}
return result;
}
createPayloadBuffer() {
const buffalo = new buffaloZnp_1.default(Buffer.alloc(constants_1.MaxDataSize));
for (const parameter of this.parameters) {
const value = this.payload[parameter.name];
buffalo.write(parameterType_1.default[parameter.parameterType], value, {});
}
return buffalo.getWritten();
}
isResetCommand() {
return (this.command === 'resetReq' && this.subsystem === constants_1.Subsystem.SYS) ||
(this.command === 'systemReset' && this.subsystem === constants_1.Subsystem.SAPI);
}
}
exports.default = ZpiObject;
//# sourceMappingURL=zpiObject.js.map