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Reorganize and clean up TODO, add some entries

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Joakim Frostegård 2022-02-20 00:23:53 +01:00
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TODO.md
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@ -1,22 +1,39 @@
# TODO
* readme
* document privilege dropping and cpu pinning
## High priority
## Medium priority
* newer glommio versions might use SIGUSR1 internally, see glommio fe33e30
* quit whole program if any thread panics
* implement socket_recv_size and ipv6_only in glommio implementations
* config: fail on unrecognized keys?
* Run cargo-deny in CI
* aquatic_http:
* clean out connections regularly
* handle like in aquatic_ws
* Rc<RefCell<ValidUntil>> which get set on successful request parsing and
successful response sending. Clone kept in connection slab which gets cleaned
periodically (= cancel tasks). Means that task handle will need to be stored in slab.
Config vars kill_idle_connections: bool, max_idle_connection_time. Remove keepalive.
* handle panicked/cancelled tasks?
* aquatic_ws
* remove mio implementation when glommio issues fixed
* glommio
* RES memory still high after traffic stops, even if torrent maps and connection slabs go down to 0 len and capacity
* replacing indexmap_amortized / simd_json with equivalents doesn't help
* SinkExt::send maybe doesn't wake up properly?
* related to https://github.com/sdroege/async-tungstenite/blob/master/src/compat.rs#L18 ?
* extract_response_peers
* don't assume requesting peer is in list?
## Low priority
* config
* add flag to print parsed config when starting
* fail on unrecognized keys
* quit whole program if any thread panics
* implement socket_recv_size and ipv6_only in glommio implementations
* newer glommio versions might use SIGUSR1 internally, see glommio fe33e30
* CI
* file transfer CI for all implementations
* test access lists?
* cargo-deny
* aquatic_udp
* look at proper cpu pinning (check that one thread gets bound per core)
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* move additional request sending to for each received response, maybe
with probability 0.2
* aquatic_ws
* glommio
* proper cpu set pinning
* general
* large amount of temporary allocations in serialize_20_bytes, pretty many in deserialize_20_bytes
* extract response peers: extract "one extra" to compensate for removal,
of sender if present in selection?
# Not important
* aquatic_http:
* clean out connections regularly
* Rc<RefCell<ValidUntil>> which get set on successful request parsing and
successful response sending. Clone kept in connection slab which gets cleaned
periodically (= cancel tasks). Means that task handle will need to be stored in slab.
Config vars kill_idle_connections: bool, max_idle_connection_time. Remove keepalive.
* handle panicked/cancelled tasks?
* optimize?
* get_peer_addr only once (takes 1.2% of runtime)
* queue response: allocating takes 2.8% of runtime
* use futures-rustls for load test
* consider better error type for request parsing, so that better error
messages can be sent back (e.g., "full scrapes are not supported")
* test torrent transfer with real clients
* scrape: does it work (serialization etc), and with multiple hashes?
* 'left' optional in magnet requests? Probably not. Transmission sends huge
positive number.
* aquatic_ws
* mio
@ -51,49 +76,8 @@
* deregistering before closing is required by mio, but it hurts performance
* blocked on https://github.com/snapview/tungstenite-rs/issues/51
* connection closing: send tls close message etc?
* glommio
* proper cpu set pinning
* RES memory still high after traffic stops, even if torrent maps and connection slabs go down to 0 len and capacity
* replacing indexmap_amortized / simd_json with equivalents doesn't help
* SinkExt::send maybe doesn't wake up properly?
* related to https://github.com/sdroege/async-tungstenite/blob/master/src/compat.rs#L18 ?
* general
* large amount of temporary allocations in serialize_20_bytes, pretty many in deserialize_20_bytes
* extract_response_peers
* don't assume requesting peer is in list
# Less important
* extract response peers: extract "one extra" to compensate for removal,
of sender if present in selection? maybe make criterion benchmark,
optimize
## aquatic_http_load_test
* how handle large number of peers for "popular" torrents in keepalive mode?
maybe it is ok
## aquatic_http
* test torrent transfer with real clients
* scrape: does it work (serialization etc), and with multiple hashes?
* 'left' optional in magnet requests? Probably not. Transmission sends huge
positive number.
* compact=0 should result in error response
## aquatic_ws_load_test
* very small amount of connections means very small number of peers per
torrents, so tracker handling of large number is not really assessed
# Not important
## aquatic_ws
* write new version of extract_response_peers which checks for equality with
peer sending request? It could return an arrayvec or smallvec by the way
(but then the size needs to be adjusted together with the corresponding
config var, or the config var needs to be removed)
## aquatic_cli_helpers
* Include config field comments in exported toml (likely quite a bit of work)
* write new version of extract_response_peers which checks for equality with
peer sending request???
# Don't do