cyclon.p2p-rtc-comms/lib/IncomingShuffleState.js

"use strict";
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
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};
var __generator = (this && this.__generator) || function (thisArg, body) {
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};
Object.defineProperty(exports, "__esModule", { value: true });
var cyclon_p2p_common_1 = require("cyclon.p2p-common");
var SHUFFLE_REQUEST_TIMEOUT_MS = 15000;
var SHUFFLE_RESPONSE_ACKNOWLEDGEMENT_TIMEOUT_MS = 15000;
var IncomingShuffleState = /** @class */ (function () {
    function IncomingShuffleState(localNode, sourcePointer, asyncExecService, logger) {
        this.localNode = localNode;
        this.sourcePointer = sourcePointer;
        this.asyncExecService = asyncExecService;
        this.logger = logger;
    }
    /**
     * Receive an inbound shuffle
     *
     * @param channel
     */
    IncomingShuffleState.prototype.processShuffleRequest = function (channel) {
        return __awaiter(this, void 0, void 0, function () {
            var shuffleRequestMessage, response;
            return __generator(this, function (_a) {
                switch (_a.label) {
                    case 0: return [4 /*yield*/, channel.receive("shuffleRequest", SHUFFLE_REQUEST_TIMEOUT_MS)];
                    case 1:
                        shuffleRequestMessage = _a.sent();
                        this.logger.debug("Received shuffle request from " + this.sourcePointer.id + " : " + JSON.stringify(shuffleRequestMessage));
                        response = this.localNode.handleShuffleRequest(this.sourcePointer, shuffleRequestMessage);
                        channel.send("shuffleResponse", response);
                        this.logger.debug("Sent shuffle response to " + this.sourcePointer.id);
                        return [2 /*return*/];
                }
            });
        });
    };
    /**
     * Wait for an acknowledgment that our shuffle response
     * was received (to prevent prematurely closing the data channel)
     */
    IncomingShuffleState.prototype.waitForResponseAcknowledgement = function (channel) {
        return __awaiter(this, void 0, void 0, function () {
            var error_1;
            return __generator(this, function (_a) {
                switch (_a.label) {
                    case 0:
                        _a.trys.push([0, 2, , 3]);
                        return [4 /*yield*/, channel.receive("shuffleResponseAcknowledgement", SHUFFLE_RESPONSE_ACKNOWLEDGEMENT_TIMEOUT_MS)];
                    case 1: return [2 /*return*/, _a.sent()];
                    case 2:
                        error_1 = _a.sent();
                        if (error_1 instanceof cyclon_p2p_common_1.TimeoutError) {
                            this.logger.warn("Timeout occurred waiting for response acknowledgement, continuing");
                        }
                        else {
                            this.logger.error('An unknown error occurred waiting for response acknowledgement, continuing', error_1);
                        }
                        return [2 /*return*/, null];
                    case 3: return [2 /*return*/];
                }
            });
        });
    };
    return IncomingShuffleState;
}());
exports.IncomingShuffleState = IncomingShuffleState;
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