* fix: return read buffer size in libutp read buffer size callback
* refactor: clamp amount of data processed in `can_read_wrapper()`
* chore: housekeeping
* refactor: call `utp_read_drained()` in on-read callback
so that uTP acks can be sent out in a more timely fashion
* perf: use libtransmission::StackBuffer in variant-benc
* perf: use libtransmission::StackBuffer in variant-json
* perf: use libtransmission::StackBuffer in handshake
* perf: use libtransmission::StackBuffer in peer-msgs
* perf: use libtransmission::StackBuffer in peer-io
* Revert "perf: use libsmall in libtransmission, pt 3 (#5653)"
This reverts commit 3b03494580.
* Revert "perf: use small in libtransmission (#5650)"
This reverts commit 559f6f0332.
* refactor: use BufferReader, BufferWriter in peer-socket
* feat: expose GrowthFactor in tr-buffer
* perf: choose better defaults for the peer message buffers
* chore: sync tests
* refactor: use small::map in ActiveRequests::Impl
* refactor: reimplement Buffer using small
* refactor: use SmallBuffer in announcer-udp
* refactor: use SmallBuffer in variant-json
* refactor: use SmallBuffer in variant-benc
* refactor: use SmallBuffer in handshake
* refactor: use SmallBuffer in peer-msgs
* refactor: delete move semantics on stack-based buffers
* refactor: group related functions together in the source
* refactor: make tr_peerIo::decrypt() private
* refactor: make tr_peerIo::is_seed() private
* refactor: remove unused tr_isPeerIo()
* refactor: move tr_tracker_http_announce() helper funcs into their own namespace
* refactor: move tr_globalIPv6() helper funcs into their own namespace
* refactor: move tr_address_is_valid_for_peers() helper funcs into their own namespace
* refactor: make tr_address_compare() a private method
* refactor: rename tr_address::isIPv4() to is_ipv4()
* refactor: use snake_case for tr_address methods
* refactor: make tr_address_is_valid_for_peers() a member function
* refactor: make tr_peer_socket.type private
* refactor: reimplement tr_peerIo::address() as a wrapper around tr_peer_socket::address()
* refactor: remove tr_address, tr_port from tr_peerIo
* refactor: replace tr_netClosePeerSocket() with tr_peer_socket::close()
* refactor: make tr_peerIoSetEnabled() a member method
* refactor: make tr_peerIoFlushOutgoingProtocolMsgs() a member method
* refactor: make tr_peerIoFlush() a member method
* refactor: make tr_peerWriteBytes() a member method
* refactor: make tr_peerWriteBuf() a member method
* refactor: make tr_peerIoGetWriteBufferSpace() a member method
* chore: remove unused declaration
* refactor: make tr_peerIoUtpInit() a member method
* refactor: make tr_peerIoNew() a member method
* refactor: make tr_peerIoNewOutgoing() a member method
* refactor: make tr_peerIoNewIncoming() a member method
* refactor: make tr_peerIoReadBytes() a member method
* refactor: make tr_peerIoReadUint8() a member method
* refactor: make tr_peerIoReadUint16() a member method
* refactor: make tr_peerIoReadUint32() a member method
* refactor: make tr_peerIoSetIOFuncs() a member method
* refactor: make tr_peerIoReconnect() a member method
* refactor: make tr_peerIoClear() a member method
* refactor: make tr_peerIoDrain() a member method
* refactor: move evbuffer_add_hton_16() impl to cc
Yat Ho