tedious/lib/sender.js

A TDS driver, for connecting to MS SQLServer databases.

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.sendInParallel = sendInParallel;
exports.sendMessage = sendMessage;
var _dgram = _interopRequireDefault(require("dgram"));
var _net = _interopRequireDefault(require("net"));
var _nodeUrl = _interopRequireDefault(require("node:url"));
var _abortError = _interopRequireDefault(require("./errors/abort-error"));
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
async function sendInParallel(addresses, port, request, signal) {
  if (signal.aborted) {
    throw new _abortError.default();
  }
  return await new Promise((resolve, reject) => {
    const sockets = [];
    let errorCount = 0;
    const onError = err => {
      errorCount++;
      if (errorCount === addresses.length) {
        signal.removeEventListener('abort', onAbort);
        clearSockets();
        reject(err);
      }
    };
    const onMessage = message => {
      signal.removeEventListener('abort', onAbort);
      clearSockets();
      resolve(message);
    };
    const onAbort = () => {
      clearSockets();
      reject(new _abortError.default());
    };
    const clearSockets = () => {
      for (const socket of sockets) {
        socket.removeListener('error', onError);
        socket.removeListener('message', onMessage);
        socket.close();
      }
    };
    signal.addEventListener('abort', onAbort, {
      once: true
    });
    for (let j = 0; j < addresses.length; j++) {
      const udpType = addresses[j].family === 6 ? 'udp6' : 'udp4';
      const socket = _dgram.default.createSocket(udpType);
      sockets.push(socket);
      socket.on('error', onError);
      socket.on('message', onMessage);
      socket.send(request, 0, request.length, port, addresses[j].address);
    }
  });
}
async function sendMessage(host, port, lookup, signal, request) {
  if (signal.aborted) {
    throw new _abortError.default();
  }
  let addresses;
  if (_net.default.isIP(host)) {
    addresses = [{
      address: host,
      family: _net.default.isIPv6(host) ? 6 : 4
    }];
  } else {
    addresses = await new Promise((resolve, reject) => {
      const onAbort = () => {
        reject(new _abortError.default());
      };
      signal.addEventListener('abort', onAbort);
      lookup(_nodeUrl.default.domainToASCII(host), {
        all: true
      }, (err, addresses) => {
        signal.removeEventListener('abort', onAbort);
        err ? reject(err) : resolve(addresses);
      });
    });
  }
  return await sendInParallel(addresses, port, request, signal);
}
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