/**
 * 实体通讯基本消息类型定义
 */
const MessageType = {
  unknow: -1,
  info: 0, //info message, no response
  beginSession: 1, //start entity session
  endSession: 2, //end entity session
  request: 3, //call request
  requestAck: 4, //request acknowledge
  sessionAck: 5, //start session acknowledge
  register: 6, //register entity event
  unregister: 7, //unregister entity event
  event: 8, //event message
  logEvent: 9, //log event
  logWarn: 10, //log warn
  setVarReq: 11, //set sysvar request
  setVarAck: 12, //set sysvar response
  getVarReq: 13, //get sysvar request
  getVarAck: 14, //get sysvar response
  broadCast:15
};
const COMMON_TIMEOUT = 10000; 

var Session =function() {
    this.transID = getIncreaseID();
    this.entity = '';
    this.functionName = '';
    this.class = '';
    this.messageType = MessageType.beginSession;
}

var Info =function() {
    this.entity = '';
    this.class = '';
    this.sessionID = 0;
    this.methodID = 0;
    this.signature = 0;
    this.messageType = MessageType.info;
}

var Request =function()  {
    this.entity = '';
    this.class = '';
    this.transID = getIncreaseID();
    this.methodID = 0;
    this.signature = 0;
    this.timeout = 10000;
    this.messageType = MessageType.request;
}

var  RequestAck =function()  {
    this.sessionID = sessionID;
    this.transID = transID;
    this.isEnd = isEnd;
    this.messageType = MessageType.requestAck;
    this.errorCode = errorCode;
    this.errorMsg = errorMsg;
}

var Register =function() {
    this.transID = getIncreaseID();
    this.entity = '';
    this.class = '';
    this.messageType = MessageType.register;
}

var Unregister =function() {
    this.transID = 0;
    this.messageType = MessageType.unregister;
}

var Event =function() { 
    this.transID = 0;
    this.eventID = 0;
    this.signature = 0;
    this.messageType = MessageType.Event;
}

var LogEvent =function() {
    this.securityLevel = 0;
    this.eventCode = 0;
    this.message = "";
    this.messageType = MessageType.logEvent;
}

 
var RecvEventArgs =function() {
    this.sessionID = 0;
    this.transID = 0;
    this.isEnd = true;
    this.eventID = 0;
    this.signature = 0;
    this.errorCode = {};
    this.errorMsg = '';
}
var BroadCastEvent =function()  {
    this.data="";
    this.messageType = MessageType.broadCast;
}

var transID = 1
function getIncreaseID() {
    var increaseID  = JSON.parse(sessionStorage.getItem("IncreaseID")) + 1;//NOSONAR
    sessionStorage.setItem("IncreaseID", JSON.stringify(increaseID))
    
    return increaseID;
}