code: function(link, cb){
              var options = {
                  host: urlArr.hostname,
                  port: urlArr.port,
                  path: urlArr.path+"?link="+encodeURIComponent(link),
                  method: 'GET'
              };
              
              var getRequest = protocol.request(options, function(res){
                  var result = "";
                  
                  if(res.statusCode === 200){
                      res.on('error', function(error) {
                          if(typeof cb === "function")
                              cb(error);
                      });
  
                      res.on('data', function (chunk) {
                          result += chunk;
                      });
  
                      res.on('end', function (chunk) {
                          if(typeof cb === "function"){
                              var resultObj = JSON.parse(result);
                              var err = (resultObj.status === "error") ? resultObj["msg"] : null
                              cb(err, resultObj);
                          }                        
                      });
                  }
                  else{
                      if(typeof cb === "function")
                          cb("Request return HTTP "+res.statusCode);
                  }
              });
              
              getRequest.end();
          }
docs: Function do get link status
  
  @param string link
  @param function cb
  @return void