71 lines
2.8 KiB
JavaScript
71 lines
2.8 KiB
JavaScript
"use strict";
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Object.defineProperty(exports, "__esModule", { value: true });
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const UUID_1 = require("../UUID");
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const MessageFlags_1 = require("../../enums/MessageFlags");
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const Message_1 = require("../../enums/Message");
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class SystemMessageMessage {
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constructor() {
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this.name = 'SystemMessage';
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this.messageFlags = MessageFlags_1.MessageFlags.Trusted | MessageFlags_1.MessageFlags.Zerocoded | MessageFlags_1.MessageFlags.FrequencyLow;
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this.id = Message_1.Message.SystemMessage;
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}
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getSize() {
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return (this.MethodData['Method'].length + 1) + ((this.calculateVarVarSize(this.ParamList, 'Parameter', 1)) * this.ParamList.length) + 49;
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}
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calculateVarVarSize(block, paramName, extraPerVar) {
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let size = 0;
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block.forEach((bl) => {
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size += bl[paramName].length + extraPerVar;
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});
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return size;
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}
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writeToBuffer(buf, pos) {
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const startPos = pos;
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buf.writeUInt8(this.MethodData['Method'].length, pos++);
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this.MethodData['Method'].copy(buf, pos);
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pos += this.MethodData['Method'].length;
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this.MethodData['Invoice'].writeToBuffer(buf, pos);
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pos += 16;
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this.MethodData['Digest'].copy(buf, pos);
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pos += 32;
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const count = this.ParamList.length;
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buf.writeUInt8(this.ParamList.length, pos++);
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for (let i = 0; i < count; i++) {
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buf.writeUInt8(this.ParamList[i]['Parameter'].length, pos++);
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this.ParamList[i]['Parameter'].copy(buf, pos);
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pos += this.ParamList[i]['Parameter'].length;
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}
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return pos - startPos;
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}
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readFromBuffer(buf, pos) {
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const startPos = pos;
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let varLength = 0;
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const newObjMethodData = {
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Method: Buffer.allocUnsafe(0),
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Invoice: UUID_1.UUID.zero(),
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Digest: Buffer.allocUnsafe(0)
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};
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varLength = buf.readUInt8(pos++);
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newObjMethodData['Method'] = buf.slice(pos, pos + varLength);
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pos += varLength;
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newObjMethodData['Invoice'] = new UUID_1.UUID(buf, pos);
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pos += 16;
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newObjMethodData['Digest'] = buf.slice(pos, pos + 32);
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pos += 32;
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this.MethodData = newObjMethodData;
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const count = buf.readUInt8(pos++);
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this.ParamList = [];
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for (let i = 0; i < count; i++) {
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const newObjParamList = {
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Parameter: Buffer.allocUnsafe(0)
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};
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varLength = buf.readUInt8(pos++);
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newObjParamList['Parameter'] = buf.slice(pos, pos + varLength);
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pos += varLength;
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this.ParamList.push(newObjParamList);
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}
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return pos - startPos;
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}
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}
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exports.SystemMessageMessage = SystemMessageMessage;
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//# sourceMappingURL=SystemMessage.js.map
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