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 //

 // ### function parseHeader (data)

 // ### @data {Buffer} incoming data

 // Returns parsed SPDY frame header

 //

 exports.parseHeader = function parseHeader(data) {

   var header = {

     control: (data.readUInt8(0) & 0x80) === 0x80 ? true : false,

     version: null,

     type: null,

     id: null,

     flags: data.readUInt8(4),

     length: data.readUInt32BE(4) & 0x00ffffff

   };

   if (header.control) {

     header.version = data.readUInt16BE(0) & 0x7fff;

     header.type = data.readUInt16BE(2);

   } else {

     header.id = data.readUInt32BE(0) & 0x7fffffff;

   }

   return header;

 };