jssip/lib-es5/RTCSession/ReferNotifier.js

the Javascript SIP library

"use strict";

function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }

function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }

function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }

var Logger = require('../Logger');

var JsSIP_C = require('../Constants');

var logger = new Logger('RTCSession:ReferNotifier');
var C = {
  event_type: 'refer',
  body_type: 'message/sipfrag;version=2.0',
  expires: 300
};

module.exports = /*#__PURE__*/function () {
  function ReferNotifier(session, id, expires) {
    _classCallCheck(this, ReferNotifier);

    this._session = session;
    this._id = id;
    this._expires = expires || C.expires;
    this._active = true; // The creation of a Notifier results in an immediate NOTIFY.

    this.notify(100);
  }

  _createClass(ReferNotifier, [{
    key: "notify",
    value: function notify(code, reason) {
      logger.debug('notify()');

      if (this._active === false) {
        return;
      }

      reason = reason || JsSIP_C.REASON_PHRASE[code] || '';
      var state;

      if (code >= 200) {
        state = 'terminated;reason=noresource';
      } else {
        state = "active;expires=".concat(this._expires);
      } // Put this in a try/catch block.


      this._session.sendRequest(JsSIP_C.NOTIFY, {
        extraHeaders: ["Event: ".concat(C.event_type, ";id=").concat(this._id), "Subscription-State: ".concat(state), "Content-Type: ".concat(C.body_type)],
        body: "SIP/2.0 ".concat(code, " ").concat(reason),
        eventHandlers: {
          // If a negative response is received, subscription is canceled.
          onErrorResponse: function onErrorResponse() {
            this._active = false;
          }
        }
      });
    }
  }]);

  return ReferNotifier;
}();