185 lines
8.9 KiB
Rust
185 lines
8.9 KiB
Rust
// file: crates/ksp-app-backfill-desk/src/app_state.rs
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// version: 4
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//! Shared backend state owned by the Backfill Desk Tauri application.
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/// Shared Backfill Desk application state managed by Tauri.
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pub(crate) struct AppState {
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config_management: ksp_config_lib::ConfigManagement,
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logging_runtime: std::sync::Mutex<LoggingRuntimeState>,
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shutdown_started: std::sync::atomic::AtomicBool,
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splash_settings: crate::SplashSettings,
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splash_sequence_started: std::sync::atomic::AtomicBool,
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store_startup: crate::StoreStartup,
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transport_runtime: std::option::Option<crate::TransportRuntime>,
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transport_startup_diagnostic: std::option::Option<crate::CommandErrorDto>,
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}
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impl crate::AppState {
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/// Initializes the scaffold Config ownership, Logging runtime and splash settings.
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pub(crate) fn initialize(arguments: &[std::ffi::OsString]) -> ksp_core_lib::Result<Self> {
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let config_management = crate::config_management(arguments);
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let config_management = match config_management {
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std::result::Result::Ok(value) => value,
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std::result::Result::Err(error) => return std::result::Result::Err(error),
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};
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let runtime_identity = crate::launch_identity();
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let runtime_identity = match runtime_identity {
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std::result::Result::Ok(value) => value,
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std::result::Result::Err(error) => return std::result::Result::Err(error),
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};
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let logging_startup = crate::initialize_logging(&config_management, &runtime_identity);
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let logging_startup = match logging_startup {
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std::result::Result::Ok(value) => value,
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std::result::Result::Err(error) => return std::result::Result::Err(error),
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};
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let transport_startup = crate::initialize_transport(&config_management);
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let (transport_runtime, transport_startup_diagnostic) = match transport_startup {
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std::result::Result::Ok(value) => (std::option::Option::Some(value), std::option::Option::None),
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std::result::Result::Err(error) => {
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let diagnostic = crate::CommandErrorDto::from_error(&error);
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ksp_logging_lib::warn!(
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target: crate::TRACING_TARGET,
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domain = crate::TRACING_DOMAIN_TRANSPORT,
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error_domain = diagnostic.domain.as_str(),
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error_code = diagnostic.code.as_str(),
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"Backfill Desk Transport readiness is unavailable; keeping desktop shell available"
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);
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(std::option::Option::None, std::option::Option::Some(diagnostic))
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},
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};
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let store_startup = tauri::async_runtime::block_on(crate::initialize_store(&config_management, transport_runtime.as_ref()));
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let splash_settings = crate::SplashSettings::load();
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let splash_settings = match splash_settings {
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std::result::Result::Ok(value) => value,
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std::result::Result::Err(error) => {
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ksp_logging_lib::warn!(
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target: crate::TRACING_TARGET,
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domain = crate::TRACING_DOMAIN_WINDOWS,
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error_domain = error.code().domain(),
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error_code = error.code().code(),
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"managed splash timings are invalid; using transient in-memory defaults"
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);
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crate::SplashSettings::fallback()
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},
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};
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ksp_logging_lib::debug!(
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target: crate::TRACING_TARGET,
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domain = crate::TRACING_DOMAIN_WINDOWS,
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minimum_ms = splash_settings.minimum_ms(),
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minimum_source = splash_settings.minimum_source(),
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fade_in_ms = splash_settings.fade_in_ms(),
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fade_in_source = splash_settings.fade_in_source(),
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fade_out_ms = splash_settings.fade_out_ms(),
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fade_out_source = splash_settings.fade_out_source(),
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expected_backend_lifecycle_ms = splash_settings.expected_backend_lifecycle_ms(),
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"resolved Backfill Desk splash timings"
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);
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return std::result::Result::Ok(Self {
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config_management,
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logging_runtime: std::sync::Mutex::new(LoggingRuntimeState {
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guard: logging_startup.guard,
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active_profile_id: logging_startup.active_profile_id,
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fallback_active: logging_startup.fallback_active,
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startup_diagnostic: logging_startup.startup_diagnostic,
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}),
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shutdown_started: std::sync::atomic::AtomicBool::new(false),
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splash_settings,
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splash_sequence_started: std::sync::atomic::AtomicBool::new(false),
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store_startup,
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transport_runtime,
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transport_startup_diagnostic,
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});
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}
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/// Builds the safe scaffold status exposed by the Backfill Desk shell.
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pub(crate) fn shell_status(&self) -> ksp_core_lib::Result<crate::ShellStatusDto> {
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let document_count = self.config_management.engine().registry().descriptors().count();
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let document_count = u32::try_from(document_count);
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let document_count = match document_count {
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std::result::Result::Ok(value) => value,
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std::result::Result::Err(error) => {
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return std::result::Result::Err(
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ksp_core_lib::Error::new(crate::ERROR_CODE_APP_STATE_INVALID, "Config registry count cannot be represented by Backfill Desk")
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.with_source(error),
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);
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},
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};
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let runtime = self.logging_runtime.lock();
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let runtime = match runtime {
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std::result::Result::Ok(value) => value,
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std::result::Result::Err(_) => {
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return std::result::Result::Err(ksp_core_lib::Error::new(
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crate::ERROR_CODE_APP_STATE_LOCK_FAILED,
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"Backfill Desk Logging runtime state lock is poisoned",
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));
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},
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};
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let _keep_guard_alive = &runtime.guard;
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return std::result::Result::Ok(crate::ShellStatusDto {
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active_logging_profile: runtime.active_profile_id.clone(),
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application_version: env!("CARGO_PKG_VERSION").to_owned(),
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config_document_count: document_count,
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fallback_logging_active: runtime.fallback_active,
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shell_phase: "pre.006-mainnet-http-routing".to_owned(),
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startup_diagnostic: runtime.startup_diagnostic.clone(),
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});
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}
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/// Builds the safe Transport-and-Store readiness subset of Backfill Desk options.
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pub(crate) fn backfill_options(&self) -> ksp_core_lib::Result<crate::BackfillDeskOptionsDto> {
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let runtime = self.transport_runtime.as_ref();
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let options = match runtime {
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std::option::Option::Some(value) => value.options(),
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std::option::Option::None => std::result::Result::Ok(crate::BackfillDeskOptionsDto {
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http_routes: std::vec::Vec::new(),
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composition_ready: false,
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configured_networks: std::vec::Vec::new(),
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network_coherent: false,
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store_diagnostic: std::option::Option::None,
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store_network: std::option::Option::None,
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store_ready: false,
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transport_diagnostic: self.transport_startup_diagnostic.clone(),
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transport_ready: false,
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}),
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};
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let mut options = match options {
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std::result::Result::Ok(value) => value,
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std::result::Result::Err(error) => return std::result::Result::Err(error),
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};
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self.store_startup.apply_to(&mut options);
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return std::result::Result::Ok(options);
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}
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/// Marks graceful application shutdown as started and reports whether this caller won the one-shot transition.
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pub(crate) fn begin_shutdown(&self) -> bool {
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return self.shutdown_started.compare_exchange(false, true, std::sync::atomic::Ordering::AcqRel, std::sync::atomic::Ordering::Acquire).is_ok();
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}
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/// Explicitly closes the retained Store runtime when application shutdown begins.
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pub(crate) async fn close_store(&self) -> ksp_core_lib::Result<()> {
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return self.store_startup.close().await;
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}
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/// Returns the resolved splash timings captured during application bootstrap.
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#[must_use]
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pub(crate) const fn splash_settings(&self) -> crate::SplashSettings {
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return self.splash_settings;
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}
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/// Marks the one-shot splash lifecycle as started and reports whether this caller won the transition.
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pub(crate) fn begin_splash_sequence(&self) -> bool {
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return self
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.splash_sequence_started
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.compare_exchange(false, true, std::sync::atomic::Ordering::AcqRel, std::sync::atomic::Ordering::Acquire)
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.is_ok();
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}
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}
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struct LoggingRuntimeState {
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guard: ksp_logging_lib::LoggingGuard,
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active_profile_id: std::option::Option<String>,
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fallback_active: bool,
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startup_diagnostic: std::option::Option<crate::CommandErrorDto>,
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}
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