040000 tree d6381baa4a2473e038dfdef72cb562cb9a704c46	big_http_download
040000 tree cb7bcbd829269bef05f87f0bba65ce0e063776a8	dumb_http_server
040000 tree cdc0d4a64d7313b4d908fdad4d0691a870951c26	echo
040000 tree 429ed0018ff61dc7186ec318a622bec1e32a8e75	echo_async
040000 tree f85b4f7a70156db73475d9fa270ad87aa39389de	http_get