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//! Abscissa `Application` for the KMS
use crate::{commands::KmsCommand, config::KmsConfig};
use abscissa_core::{
application::{self, AppCell},
config::{self, CfgCell},
trace, Application, FrameworkError, StandardPaths,
};
/// Application state
pub static APP: AppCell<KmsApplication> = AppCell::new();
/// The `tmkms` application
#[derive(Debug, Default)]
pub struct KmsApplication {
/// Application configuration.
config: CfgCell<KmsConfig>,
/// Application state.
state: application::State<Self>,
}
impl Application for KmsApplication {
/// Entrypoint command for this application.
type Cmd = KmsCommand;
/// Application configuration.
type Cfg = KmsConfig;
/// Paths to resources within the application.
type Paths = StandardPaths;
/// Accessor for application configuration.
fn config(&self) -> config::Reader<KmsConfig> {
self.config.read()
}
/// Borrow the application state immutably.
fn state(&self) -> &application::State<Self> {
&self.state
}
/// Register all components used by this application.
///
/// If you would like to add additional components to your application
/// beyond the default ones provided by the framework, this is the place
/// to do so.
fn register_components(&mut self, command: &Self::Cmd) -> Result<(), FrameworkError> {
let components = self.framework_components(command)?;
let mut component_registry = self.state.components_mut();
component_registry.register(components)
}
/// Post-configuration lifecycle callback.
///
/// Called regardless of whether config is loaded to indicate this is the
/// time in app lifecycle when configuration would be loaded if
/// possible.
fn after_config(&mut self, config: Self::Cfg) -> Result<(), FrameworkError> {
let mut component_registry = self.state.components_mut();
component_registry.after_config(&config)?;
self.config.set_once(config);
Ok(())
}
/// Get tracing configuration from command-line options
fn tracing_config(&self, command: &KmsCommand) -> trace::Config {
if command.verbose() {
trace::Config::verbose()
} else {
trace::Config::default()
}
}
}