fcr-core/lib/peer-session/index.js

Core APIs for building online scenes

"use strict";

require("core-js/modules/es.symbol.description.js");
require("core-js/modules/es.array.push.js");
require("core-js/modules/esnext.function.metadata.js");
require("core-js/modules/esnext.iterator.constructor.js");
require("core-js/modules/esnext.iterator.filter.js");
require("core-js/modules/esnext.iterator.for-each.js");
require("core-js/modules/esnext.symbol.metadata.js");
var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");
Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.FcrPeerSessionControlImpl = void 0;
require("core-js/modules/es.error.cause.js");
require("core-js/modules/es.json.stringify.js");
require("core-js/modules/esnext.map.delete-all.js");
require("core-js/modules/esnext.map.emplace.js");
require("core-js/modules/esnext.map.every.js");
require("core-js/modules/esnext.map.filter.js");
require("core-js/modules/esnext.map.find.js");
require("core-js/modules/esnext.map.find-key.js");
require("core-js/modules/esnext.map.includes.js");
require("core-js/modules/esnext.map.key-of.js");
require("core-js/modules/esnext.map.map-keys.js");
require("core-js/modules/esnext.map.map-values.js");
require("core-js/modules/esnext.map.merge.js");
require("core-js/modules/esnext.map.reduce.js");
require("core-js/modules/esnext.map.some.js");
require("core-js/modules/esnext.map.update.js");
require("core-js/modules/web.dom-collections.iterator.js");
var _defineProperty2 = _interopRequireDefault(require("@babel/runtime/helpers/defineProperty"));
var _imports = require("../imports");
var _error = require("../utilities/error");
var _logger = require("../utilities/logger");
var _schema = require("../schema");
var _validateParams = _interopRequireDefault(require("../utilities/validate-params"));
var _FcrPeerSessionControlImpl;
let _initProto, _startPeerSessionDecs, _stopPeerSessionDecs, _acceptPeerSessionDecs, _rejectPeerSessionDecs, _ref;
function ownKeys(e, r) { var t = Object.keys(e); if (Object.getOwnPropertySymbols) { var o = Object.getOwnPropertySymbols(e); r && (o = o.filter(function (r) { return Object.getOwnPropertyDescriptor(e, r).enumerable; })), t.push.apply(t, o); } return t; }
function _objectSpread(e) { for (var r = 1; r < arguments.length; r++) { var t = null != arguments[r] ? arguments[r] : {}; r % 2 ? ownKeys(Object(t), !0).forEach(function (r) { (0, _defineProperty2.default)(e, r, t[r]); }) : Object.getOwnPropertyDescriptors ? Object.defineProperties(e, Object.getOwnPropertyDescriptors(t)) : ownKeys(Object(t)).forEach(function (r) { Object.defineProperty(e, r, Object.getOwnPropertyDescriptor(t, r)); }); } return e; }
function _applyDecs(e, t, r, n, o, a) { function i(e, t, r) { return function (n, o) { return r && r(n), e[t].call(n, o); }; } function c(e, t) { for (var r = 0; r < e.length; r++) e[r].call(t); return t; } function s(e, t, r, n) { if ("function" != typeof e && (n || void 0 !== e)) throw new TypeError(t + " must " + (r || "be") + " a function" + (n ? "" : " or undefined")); return e; } function applyDec(e, t, r, n, o, a, c, u, l, f, p, d, h) { function m(e) { if (!h(e)) throw new TypeError("Attempted to access private element on non-instance"); } var y, v = t[0], g = t[3], b = !u; if (!b) { r || Array.isArray(v) || (v = [v]); var w = {}, S = [], A = 3 === o ? "get" : 4 === o || d ? "set" : "value"; f ? (p || d ? w = { get: _setFunctionName(function () { return g(this); }, n, "get"), set: function (e) { t[4](this, e); } } : w[A] = g, p || _setFunctionName(w[A], n, 2 === o ? "" : A)) : p || (w = Object.getOwnPropertyDescriptor(e, n)); } for (var P = e, j = v.length - 1; j >= 0; j -= r ? 2 : 1) { var D = v[j], E = r ? v[j - 1] : void 0, I = {}, O = { kind: ["field", "accessor", "method", "getter", "setter", "class"][o], name: n, metadata: a, addInitializer: function (e, t) { if (e.v) throw Error("attempted to call addInitializer after decoration was finished"); s(t, "An initializer", "be", !0), c.push(t); }.bind(null, I) }; try { if (b) (y = s(D.call(E, P, O), "class decorators", "return")) && (P = y);else { var k, F; O.static = l, O.private = f, f ? 2 === o ? k = function (e) { return m(e), w.value; } : (o < 4 && (k = i(w, "get", m)), 3 !== o && (F = i(w, "set", m))) : (k = function (e) { return e[n]; }, (o < 2 || 4 === o) && (F = function (e, t) { e[n] = t; })); var N = O.access = { has: f ? h.bind() : function (e) { return n in e; } }; if (k && (N.get = k), F && (N.set = F), P = D.call(E, d ? { get: w.get, set: w.set } : w[A], O), d) { if ("object" == typeof P && P) (y = s(P.get, "accessor.get")) && (w.get = y), (y = s(P.set, "accessor.set")) && (w.set = y), (y = s(P.init, "accessor.init")) && S.push(y);else if (void 0 !== P) throw new TypeError("accessor decorators must return an object with get, set, or init properties or void 0"); } else s(P, (p ? "field" : "method") + " decorators", "return") && (p ? S.push(P) : w[A] = P); } } finally { I.v = !0; } } return (p || d) && u.push(function (e, t) { for (var r = S.length - 1; r >= 0; r--) t = S[r].call(e, t); return t; }), p || b || (f ? d ? u.push(i(w, "get"), i(w, "set")) : u.push(2 === o ? w[A] : i.call.bind(w[A])) : Object.defineProperty(e, n, w)), P; } function u(e, t) { return Object.defineProperty(e, Symbol.metadata || Symbol.for("Symbol.metadata"), { configurable: !0, enumerable: !0, value: t }); } if (arguments.length >= 6) var l = a[Symbol.metadata || Symbol.for("Symbol.metadata")]; var f = Object.create(null == l ? null : l), p = function (e, t, r, n) { var o, a, i = [], s = function (t) { return _checkInRHS(t) === e; }, u = new Map(); function l(e) { e && i.push(c.bind(null, e)); } for (var f = 0; f < t.length; f++) { var p = t[f]; if (Array.isArray(p)) { var d = p[1], h = p[2], m = p.length > 3, y = 16 & d, v = !!(8 & d), g = 0 == (d &= 7), b = h + "/" + v; if (!g && !m) { var w = u.get(b); if (!0 === w || 3 === w && 4 !== d || 4 === w && 3 !== d) throw Error("Attempted to decorate a public method/accessor that has the same name as a previously decorated public method/accessor. This is not currently supported by the decorators plugin. Property name was: " + h); u.set(b, !(d > 2) || d); } applyDec(v ? e : e.prototype, p, y, m ? "#" + h : _toPropertyKey(h), d, n, v ? a = a || [] : o = o || [], i, v, m, g, 1 === d, v && m ? s : r); } } return l(o), l(a), i; }(e, t, o, f); return r.length || u(e, f), { e: p, get c() { var t = []; return r.length && [u(applyDec(e, [r], n, e.name, 5, f, t), f), c.bind(null, t, e)]; } }; }
function _toPropertyKey(t) { var i = _toPrimitive(t, "string"); return "symbol" == typeof i ? i : i + ""; }
function _toPrimitive(t, r) { if ("object" != typeof t || !t) return t; var e = t[Symbol.toPrimitive]; if (void 0 !== e) { var i = e.call(t, r || "default"); if ("object" != typeof i) return i; throw new TypeError("@@toPrimitive must return a primitive value."); } return ("string" === r ? String : Number)(t); }
function _setFunctionName(e, t, n) { "symbol" == typeof t && (t = (t = t.description) ? "[" + t + "]" : ""); try { Object.defineProperty(e, "name", { configurable: !0, value: n ? n + " " + t : t }); } catch (e) {} return e; }
function _checkInRHS(e) { if (Object(e) !== e) throw TypeError("right-hand side of 'in' should be an object, got " + (null !== e ? typeof e : "null")); return e; }
/**
 * @internal
 */
_ref = (_startPeerSessionDecs = [_imports.trace, (0, _validateParams.default)(_schema.fcrPeerSessionParamsSchema)], _stopPeerSessionDecs = [_imports.trace, (0, _validateParams.default)(_schema.stringSchema)], _acceptPeerSessionDecs = [_imports.trace, (0, _validateParams.default)(_schema.fcrSessionBaseSchema, _schema.stringKeyUnknownValueSchema.optional())], _rejectPeerSessionDecs = [_imports.trace, (0, _validateParams.default)(_schema.fcrSessionBaseSchema, _schema.stringKeyUnknownValueSchema.optional())], "logger");
class FcrPeerSessionControlImpl {
  constructor(_rteEngine, _api, _userId) {
    //@internal
    (0, _defineProperty2.default)(this, _ref, (_initProto(this), (0, _logger.createLogger)({
      prefix: 'FcrPeerSessionControlImpl'
    })));
    //@internal
    (0, _defineProperty2.default)(this, "_observable", new _imports.AgoraObservable());
    //@internal
    (0, _defineProperty2.default)(this, "_taskInterval", _imports.Duration.second(1));
    //@internal
    (0, _defineProperty2.default)(this, "_scheduleMap", new Map());
    //@internal
    (0, _defineProperty2.default)(this, "_receivedMap", new Map());
    this._rteEngine = _rteEngine;
    this._api = _api;
    this._userId = _userId;
    this._addLogObserver();
    this._executeTask = this._executeTask.bind(this);
    this._rteEngine.addObserver({
      onPeerMessageReceived: this._handlePeerMessage.bind(this)
    });
    this._task = _imports.AgoraScheduler.shared.addPollingTask(this._executeTask, this._taskInterval, true, () => _imports.ActionWhenTaskFail.CONTINUE);
  }
  async startPeerSession(params) {
    try {
      const session = {
        sessionId: (0, _imports.md5)("".concat(Date.now())),
        sessionKey: params.sessionKey,
        payload: params.payload,
        duration: params.duration,
        sender: this._userId
      };
      const {
        data: {
          interval
        }
      } = await this._api.updatePeerSession({
        userId: this._userId,
        sessionId: session.sessionId,
        sessionKey: session.sessionKey,
        duration: session.duration,
        payload: session.payload,
        targetId: params.receiverId
      });
      const nextTs = Date.now() + interval;
      this._scheduleMap.set(session.sessionId, _objectSpread(_objectSpread({}, params), {}, {
        nextTs,
        startTs: Date.now()
      }));
      this.logger.info("[PeerSession] put into session schedule: ".concat(session.sessionId, ", next ts: ").concat(nextTs, ", remain: ").concat(nextTs - Date.now(), "ms"));
      return session.sessionId;
    } catch (e) {
      throw (0, _error.generateFcrCoreServerError)(_error.FcrErrorCode.LOCAL_HTTP_REQUEST_FAILED, 'start peer session failed', e);
    }
  }
  stopPeerSession(sessionId) {
    this._scheduleMap.delete(sessionId);
  }
  async acceptPeerSession(session, cause) {
    if (this._isSessionExpired(session)) {
      throw (0, _error.generateFcrCoreServerError)(_error.FcrErrorCode.EXPIRED, 'accept peer session failed: session expired', new Error());
    }
    try {
      this._api.deletePeerSession({
        userId: this._userId,
        sessionId: session.sessionId,
        sessionKey: session.sessionKey,
        receiverIds: [session.senderId],
        action: 1,
        payload: {
          cause
        }
      });
    } catch (e) {
      throw (0, _error.generateFcrCoreServerError)(_error.FcrErrorCode.LOCAL_HTTP_REQUEST_FAILED, 'accept peer session failed', e);
    }
  }
  async rejectPeerSession(session, cause) {
    if (this._isSessionExpired(session)) {
      throw (0, _error.generateFcrCoreServerError)(_error.FcrErrorCode.EXPIRED, 'reject peer session failed: session expired', new Error());
    }
    try {
      this._api.deletePeerSession({
        userId: this._userId,
        sessionId: session.sessionId,
        sessionKey: session.sessionKey,
        receiverIds: [session.senderId],
        action: 2,
        payload: {
          cause
        }
      });
    } catch (e) {
      throw (0, _error.generateFcrCoreServerError)(_error.FcrErrorCode.LOCAL_HTTP_REQUEST_FAILED, 'reject peer session failed', e);
    }
  }
  addObserver(observer) {
    this._observable.addObserver(observer);
  }
  removeObserver(observer) {
    this._observable.removeObserver(observer);
  }

  //@internal
  async _executeTask() {
    // ping sessions (sender side)
    for (const key of this._scheduleMap.keys()) {
      const params = this._scheduleMap.get(key);
      const session = {
        sessionId: key,
        sessionKey: params.sessionKey,
        payload: params.payload,
        duration: params.duration,
        senderId: this._userId,
        timestamp: params.startTs,
        interval: 0
      };
      if (this._isSessionExpired(session)) {
        this.logger.info("[PeerSession] peer session expired, removed: ".concat(session.sessionId));
        this._scheduleMap.delete(session.sessionId);
        continue;
      }
      // check timeout
      if (params.nextTs < Date.now()) {
        this.logger.info("[PeerSession] ping session: ".concat(session.sessionId));
        try {
          const {
            data: {
              interval
            }
          } = await this._api.updatePeerSession({
            userId: this._userId,
            sessionId: session.sessionId,
            sessionKey: session.sessionKey,
            duration: params.duration,
            payload: session.payload,
            targetId: params.receiverId
          });
          const nextTs = Date.now() + interval;
          if (this._scheduleMap.has(session.sessionId)) {
            this._scheduleMap.set(session.sessionId, _objectSpread(_objectSpread({}, params), {}, {
              nextTs
            }));
            this.logger.info("[PeerSession] refresh session schedule: ".concat(session.sessionId, ", next ts: ").concat(nextTs));
          }
        } catch (e) {
          this.logger.error("[PeerSession] ping session failed: ".concat(e));
        }
      }
    }
    // clear expired sessions (receiver side)
    for (const key of this._receivedMap.keys()) {
      const session = this._receivedMap.get(key);
      if (this._isSessionExpired(session)) {
        this._receivedMap.delete(key);
        this.logger.info("[PeerSession] delete session callback: ".concat(key));
      }
    }
  }

  //@internal
  async _handlePeerMessage(message) {
    const {
      senderId,
      payload
    } = message;
    const {
      data,
      cmd
    } = payload;
    if (cmd === '1001') {
      const session = {
        sessionId: data.sessionUuid,
        sessionKey: data.sessionKey,
        senderId,
        duration: data.duration,
        timestamp: message.timestamp,
        interval: data.interval,
        payload: data.payload
      };
      const sessionCache = this._receivedMap.get(session.sessionId);
      if (sessionCache) {
        session.timestamp = sessionCache.timestamp;
      }
      if (!this._isSessionExpired(session)) {
        if (!this._receivedMap.has(session.sessionId)) {
          this.logger.info("[PeerSession] received peer session request ".concat(JSON.stringify(session)));
          this._observable.notifyObservers('onPeerSessionReceived', session);
        }
        this._receivedMap.set(session.sessionId, session);
      }
    } else if (cmd === '1002') {
      if (data.action === 1) {
        if (this._scheduleMap.has(data.sessionUuid)) {
          var _session$payload, _ref2, _data$payload;
          const session = this._scheduleMap.get(data.sessionUuid);
          const sessionResponse = {
            sessionId: data.sessionUuid,
            sessionKey: data.sessionKey,
            responderId: senderId,
            // FIXME: session may be lost when the client refreshes
            // get payload from original session
            payload: (_session$payload = session.payload) !== null && _session$payload !== void 0 ? _session$payload : {},
            cause: (_ref2 = (_data$payload = data.payload) === null || _data$payload === void 0 ? void 0 : _data$payload.cause) !== null && _ref2 !== void 0 ? _ref2 : {}
          };
          this.logger.info("[PeerSession] received peer session accepted ".concat(JSON.stringify(sessionResponse)));
          this._scheduleMap.delete(data.sessionUuid);
          this._observable.notifyObservers('onPeerSessionAccepted', sessionResponse);
        }
      } else if (data.action === 2) {
        if (this._scheduleMap.has(data.sessionUuid)) {
          var _session$payload2, _ref3, _data$payload2;
          const session = this._scheduleMap.get(data.sessionUuid);
          const sessionResponse = {
            sessionId: data.sessionUuid,
            sessionKey: data.sessionKey,
            responderId: senderId,
            // FIXME: session may be lost when the client refreshes
            // get payload from original session
            payload: (_session$payload2 = session.payload) !== null && _session$payload2 !== void 0 ? _session$payload2 : {},
            cause: (_ref3 = (_data$payload2 = data.payload) === null || _data$payload2 === void 0 ? void 0 : _data$payload2.cause) !== null && _ref3 !== void 0 ? _ref3 : {}
          };
          this.logger.info("[PeerSession] received peer session rejected ".concat(JSON.stringify(sessionResponse)));
          if (this._scheduleMap.has(data.sessionUuid)) {
            this._scheduleMap.delete(data.sessionUuid);
            this._observable.notifyObservers('onPeerSessionRejected', sessionResponse);
          }
        }
      }
    }
  }

  //@internal
  _isSessionExpired(session) {
    return session.timestamp + session.duration * _imports.Duration.second(1) < Date.now();
  }
  _addLogObserver() {
    this.addObserver((0, _logger.generateLogObserver)(this.logger, ['onPeerSessionAccepted', 'onPeerSessionReceived', 'onPeerSessionRejected']));
  }
}
exports.FcrPeerSessionControlImpl = FcrPeerSessionControlImpl;
_FcrPeerSessionControlImpl = FcrPeerSessionControlImpl;
[_initProto] = _applyDecs(_FcrPeerSessionControlImpl, [[_startPeerSessionDecs, 2, "startPeerSession"], [_stopPeerSessionDecs, 2, "stopPeerSession"], [_acceptPeerSessionDecs, 2, "acceptPeerSession"], [_rejectPeerSessionDecs, 2, "rejectPeerSession"]], []).e;