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schangxiang@126.com
2025-09-19 18966e02fb573c7e2bb0c6426ed792b38b910940
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"use strict";
 
const versions = require('../tds-versions').versionsByValue;
 
const interfaceTypes = {
  0: 'SQL_DFLT',
  1: 'SQL_TSQL'
};
 
module.exports = function (parser, colMetadata, options, callback) {
  // length
  parser.readUInt16LE(() => {
    parser.readUInt8(interfaceNumber => {
      const interfaceType = interfaceTypes[interfaceNumber];
      parser.readUInt32BE(tdsVersionNumber => {
        const tdsVersion = versions[tdsVersionNumber];
        parser.readBVarChar(progName => {
          parser.readUInt8(major => {
            parser.readUInt8(minor => {
              parser.readUInt8(buildNumHi => {
                parser.readUInt8(buildNumLow => {
                  callback({
                    'name': 'LOGINACK',
                    'event': 'loginack',
                    'interface': interfaceType,
                    'tdsVersion': tdsVersion,
                    'progName': progName,
                    'progVersion': {
                      major: major,
                      minor: minor,
                      buildNumHi: buildNumHi,
                      buildNumLow: buildNumLow
                    }
                  });
                });
              });
            });
          });
        });
      });
    });
  });
};