code: function _cacheGetHandleByUrl( sUrl )
  {
  	let oRet;
  	let arrResult;
  
  	if ( 'string' !== typeof sUrl || 0 === sUrl.length )
  	{
  		return null;
  	}
  
  	//	...
  	oRet		= null;
  	sUrl		= sUrl.trim().toLowerCase();
  	arrResult	= m_arrCacheOutboundPeers.filter( oSocket => oSocket.peer === sUrl );
  	if ( Array.isArray( arrResult ) && 1 === arrResult.length )
  	{
  		oRet = arrResult[ 0 ];
  	}
  
  	return oRet;
  }
docs: get socket handle by url
  
  @private
  @param	{string}	sUrl
  @returns {null}