references.txt

bittorent protocol:
https://wiki.theory.org/index.php/BitTorrentSpecification

boost asio socket connection:
https://subscription.packtpub.com/book/application_development/9781783986545/1/ch01lvl1sec15/connecting-a-socket

boost beast HTTP request and parsing
https://www.boost.org/doc/libs/1_66_0/libs/beast/doc/html/beast/quick_start.html#beast.quick_start.http_client
https://stackoverflow.com/questions/50479407/boost-beast-http

udp protocol:
http://www.bittorrent.org/beps/bep_0015.html

asio async_read (shared_ptr for transferring tcp socket connections):
https://www.boost.org/doc/libs/1_73_0/doc/html/boost_asio/example/cpp11/echo/async_tcp_echo_server.cpp

async example
https://stackoverflow.com/questions/43173034/async-connect-doesnt-call-handler-in-tcp-client-class

loguru library
https://github.com/emilk/loguru

network data transfer throttling:
https://en.wikipedia.org/wiki/Token_bucket