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moonfire-nvr/server/base/lib.rs

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tests and fixes for Writer and Syncer * separate these out into a new file, writer.rs, as dir.rs was getting unwieldy. * extract traits for the parts of SampleFileDir and std::fs::File they needed; set up mock implementations. * move clock.rs to a new base crate to be accessible from the db crate. * add tests that exercise all the retry paths. * bugfix: account for the new recording's bytes when calculating how much to delete. * bugfix: when retrying an unlink failure in collect_garbage, we shouldn't warn about all the recordings no longer existing. Do this by retrying each step rather than the whole procedure again. * avoid double-panic scenarios, which I hit while tweaking the mocks. These are quite annoying to debug as Rust doesn't print information about either panic. I ended up using lldb to get a backtrace. Better to be cautious about what we're doing when already panicking. * give more context on raw::insert_recording errors, which I hit as well while tweaking the new tests.
2018-03-04 12:24:24 -08:00
// This file is part of Moonfire NVR, a security camera network video recorder.
shutdown better After a frustrating search for a suitable channel to use for shutdown (tokio::sync::watch::Receiver and futures::future::Shared<tokio::sync::oneshot::Receiver> didn't look quite right) in which I rethought my life decisions, I finally just made my own (server/base/shutdown.rs). We can easily poll it or wait for it in async or sync contexts. Most importantly, it's convenient; not that it really matters here, but it's also efficient. We now do a slightly better job of propagating a "graceful" shutdown signal, and this channel will give us tools to improve it over time. * Shut down even when writer or syncer operations are stuck. Fixes #117 * Not done yet: streamers should instantly shut down without waiting for a connection attempt or frame or something. I'll probably implement that when removing --rtsp-library=ffmpeg. The code should be cleaner then. * Not done yet: fix a couple places that sleep for up to a second when they could shut down immediately. I just need to do the plumbing for mock clocks to work. I also implemented an immediate shutdown mode, activated by a second signal. I think this will mitigate the streamer wait situation.
2021-09-23 15:55:53 -07:00
// Copyright (C) 2021 The Moonfire NVR Authors; see AUTHORS and LICENSE.txt.
shorten per-file copyright headers I'm tired of all the boilerplate, so use the new GPL-3.0-linking-exception license identifier instead in all the server components. I left the ui stuff alone because I'm just going to replace it (#111). Add a checker for the header because it's easy to forget.
2021-02-17 13:28:48 -08:00
// SPDX-License-Identifier: GPL-v3.0-or-later WITH GPL-3.0-linking-exception.
tests and fixes for Writer and Syncer * separate these out into a new file, writer.rs, as dir.rs was getting unwieldy. * extract traits for the parts of SampleFileDir and std::fs::File they needed; set up mock implementations. * move clock.rs to a new base crate to be accessible from the db crate. * add tests that exercise all the retry paths. * bugfix: account for the new recording's bytes when calculating how much to delete. * bugfix: when retrying an unlink failure in collect_garbage, we shouldn't warn about all the recordings no longer existing. Do this by retrying each step rather than the whole procedure again. * avoid double-panic scenarios, which I hit while tweaking the mocks. These are quite annoying to debug as Rust doesn't print information about either panic. I ended up using lldb to get a backtrace. Better to be cautious about what we're doing when already panicking. * give more context on raw::insert_recording errors, which I hit as well while tweaking the new tests.
2018-03-04 12:24:24 -08:00
pub mod clock;
massive error overhaul * fully stop using ancient `failure` crate in favor of own error type * set an `ErrorKind` on everything
2023-07-09 22:04:17 -07:00
pub mod error;
shutdown better After a frustrating search for a suitable channel to use for shutdown (tokio::sync::watch::Receiver and futures::future::Shared<tokio::sync::oneshot::Receiver> didn't look quite right) in which I rethought my life decisions, I finally just made my own (server/base/shutdown.rs). We can easily poll it or wait for it in async or sync contexts. Most importantly, it's convenient; not that it really matters here, but it's also efficient. We now do a slightly better job of propagating a "graceful" shutdown signal, and this channel will give us tools to improve it over time. * Shut down even when writer or syncer operations are stuck. Fixes #117 * Not done yet: streamers should instantly shut down without waiting for a connection attempt or frame or something. I'll probably implement that when removing --rtsp-library=ffmpeg. The code should be cleaner then. * Not done yet: fix a couple places that sleep for up to a second when they could shut down immediately. I just need to do the plumbing for mock clocks to work. I also implemented an immediate shutdown mode, activated by a second signal. I think this will mitigate the streamer wait situation.
2021-09-23 15:55:53 -07:00
pub mod shutdown;
move strutil to base crate I plan to use strutil::hex in db/auth.rs.
2018-03-30 08:53:59 -07:00
pub mod strutil;
rustfmt everything I want to make the project more accessible by not expecting folks to match my idiosyncratic style. Now almost [1] everything is written in the "standard" style. CI enforces this. [1] "Almost": I used #[rustfmt::skip] in a few sections where I felt aligning things in columns significantly improves readability.
2021-02-16 22:15:54 -08:00
pub mod time;
test and fix #282 Sessions' last use updates weren't getting persisted to the database because the update statement wasn't passing through the hash. Also address a TODO of tracing in tests by using the same tracing setup as in production.
2023-07-04 20:42:15 -07:00
pub mod tracing_setup;
introduce typed errors and use in mp4 code Fixes #46. If there are no video_sample_entries, it returns InvalidArgument, which gets mapped to a HTTP 400. Various other failures turn into non-500s as well. There are many places that can & should be using typed errors, but it's a start.
2018-12-28 17:30:33 -06:00
massive error overhaul * fully stop using ancient `failure` crate in favor of own error type * set an `ErrorKind` on everything
2023-07-09 22:04:17 -07:00
pub use crate::error::{Error, ErrorBuilder, ErrorKind, ResultExt};
update some Rust dependencies I didn't go to quite the latest version of everything, in an effort to minimize duplicates in the cargo tree.
2024-01-06 10:43:20 -08:00
pub use ahash::RandomState;
pub type FastHashMap<K, V> = std::collections::HashMap<K, V, ahash::RandomState>;
pub type FastHashSet<K> = std::collections::HashSet<K, ahash::RandomState>;
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