cuprated: add constants & statics modules
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added
A-dependency
hinto-janai
commented
Sep 27, 2024
binaries/cuprated/src/statics.rs
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| /// Define all the `static`s that should be always be initialized early on. | ||
| /// | ||
| /// This wraps all `static`s inside a `LazyLock` and generates | ||
| /// a [`init_lazylock_statics`] function that must/should be | ||
| /// used by `main()` early on. | ||
| macro_rules! define_init_lazylock_statics { | ||
| ($( | ||
| $( #[$attr:meta] )* | ||
| $name:ident: $t:ty = $init_fn:expr; | ||
| )*) => { | ||
| /// Initialize global static `LazyLock` data. | ||
| pub fn init_lazylock_statics() { | ||
| $( | ||
| LazyLock::force(&$name); | ||
| )* | ||
| } | ||
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||
| $( | ||
| $(#[$attr])* | ||
| pub static $name: LazyLock<$t> = LazyLock::new(|| $init_fn); | ||
| )* | ||
| }; | ||
| } | ||
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| define_init_lazylock_statics! { | ||
| /// The start time of `cuprated`. | ||
| START_INSTANT: SystemTime = SystemTime::now(); | ||
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||
| /// Start time of `cuprated` as a UNIX timestamp. | ||
| START_INSTANT_UNIX: u64 = START_INSTANT | ||
| .duration_since(UNIX_EPOCH) | ||
| .expect("Failed to set `cuprated` startup time.") | ||
| .as_secs(); | ||
| } |
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I have little faith that people will manually update things so newly added statics that should be initialized before anything else go in this macro, which will generate a function that initializes everything.
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(people including us in the far future btw)
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| fn main() { | ||
| // Initialize global static `LazyLock` data. | ||
| statics::init_lazylock_statics(); |
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The statics get initialized here.
We could add this to a broader init_everything() later that setups up logging as well.
Boog900
requested changes
Sep 27, 2024
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| fn main() { | ||
| // Initialize global static `LazyLock` data. | ||
| statics::init_lazylock_statics(); |
binaries/cuprated/src/statics.rs
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| $( | ||
| LazyLock::force(&$name); | ||
| )* | ||
| } | ||
|
|
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tabs here should be changed to spaces
Boog900
approved these changes
Sep 28, 2024
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What
Adds a
constantsandstaticsmodule tocuprated.constantscontains general constants used bycuprated, currently it contains version strings roughly equivalent toversion.hstaticscontains globalstaticdata used throughoutcupratedSome data (e.g.
const DEBUG: bool) will be available incuprate_constantsso it isn't defined inconstants.Why
statics::START_INSTANT_UNIXis needed by RPC forget_block-> start_timeconstants::VERSION_BUILDis needed by RPC forget_block-> version