040000 tree 6c41d6e8426693f8767e51efee43e121bc4ee7b5	big_http_download
040000 tree 1da8949ca3e45694debe606e846d6d4a2c405691	dumb_http_server
040000 tree 75ade3ed100b1ad917c239f320be51c61f246776	echo
040000 tree 9e3891da6006164175ab953415428d727e20f4be	echo_async
040000 tree 568596a98f5e6dad443aa204a80d51523b0ec00a	http_get