040000 tree d6381baa4a2473e038dfdef72cb562cb9a704c46	big_http_download
040000 tree cb7bcbd829269bef05f87f0bba65ce0e063776a8	dumb_http_server
040000 tree 75ade3ed100b1ad917c239f320be51c61f246776	echo
040000 tree 9e3891da6006164175ab953415428d727e20f4be	echo_async
040000 tree f85b4f7a70156db73475d9fa270ad87aa39389de	http_get