Constant CUSTOM_ARCHIVE_CODE
Source pub const CUSTOM_ARCHIVE_CODE: &str = "// Archive-only hand-written wrapper code, appended after `aeron_custom.rs` into the\n// generated `aeron_custom.rs` of rusteron-archive ONLY. Unlike the common custom file,\n// this one may reference archive-only types (AeronArchive, AeronArchiveContext, ...).\n\n/// Archive control-response error codes (`io.aeron.archive.client.ArchiveException`).\n///\n/// The C archive client reports control-session errors only as text (with the code\n/// embedded as `errorCode=N`); [`AeronArchiveError::parse`] recovers the typed code.\n#[derive(Debug, Clone, Copy, PartialEq, Eq)]\npub enum AeronArchiveErrorCode {\n Generic,\n ActiveListing,\n ActiveRecording,\n ActiveSubscription,\n UnknownSubscription,\n UnknownRecording,\n UnknownReplay,\n MaxReplays,\n MaxRecordings,\n InvalidExtension,\n AuthenticationRejected,\n StorageSpace,\n UnknownReplication,\n UnauthorisedAction,\n ReplicationConnectionFailure,\n EmptyRecording,\n InvalidPosition,\n Unknown(i32),\n}\n\nimpl AeronArchiveErrorCode {\n /// Maps the wire error code to its variant. Codes 0\u{2013}13 come straight from the\n /// bindgen\'d `ARCHIVE_ERROR_CODE_*` constants in the aeron C header, so an Aeron\n /// upgrade that changes them is picked up automatically (and the\n /// `archive_error_codes_match_the_c_header` test fails if new ones appear).\n /// Codes 14\u{2013}16 are defined by the Java/C++ `ArchiveException` but are not yet in\n /// the C header; a Java archive can still send them.\n pub fn from_code(code: i32) -> Self {\n use crate::bindings::*;\n const GENERIC: i32 = ARCHIVE_ERROR_CODE_GENERIC as i32;\n const ACTIVE_LISTING: i32 = ARCHIVE_ERROR_CODE_ACTIVE_LISTING as i32;\n const ACTIVE_RECORDING: i32 = ARCHIVE_ERROR_CODE_ACTIVE_RECORDING as i32;\n const ACTIVE_SUBSCRIPTION: i32 = ARCHIVE_ERROR_CODE_ACTIVE_SUBSCRIPTION as i32;\n const UNKNOWN_SUBSCRIPTION: i32 = ARCHIVE_ERROR_CODE_UNKNOWN_SUBSCRIPTION as i32;\n const UNKNOWN_RECORDING: i32 = ARCHIVE_ERROR_CODE_UNKNOWN_RECORDING as i32;\n const UNKNOWN_REPLAY: i32 = ARCHIVE_ERROR_CODE_UNKNOWN_REPLAY as i32;\n const MAX_REPLAYS: i32 = ARCHIVE_ERROR_CODE_MAX_REPLAYS as i32;\n const MAX_RECORDINGS: i32 = ARCHIVE_ERROR_CODE_MAX_RECORDINGS as i32;\n const INVALID_EXTENSION: i32 = ARCHIVE_ERROR_CODE_INVALID_EXTENSION as i32;\n const AUTHENTICATION_REJECTED: i32 = ARCHIVE_ERROR_CODE_AUTHENTICATION_REJECTED as i32;\n const STORAGE_SPACE: i32 = ARCHIVE_ERROR_CODE_STORAGE_SPACE as i32;\n const UNKNOWN_REPLICATION: i32 = ARCHIVE_ERROR_CODE_UNKNOWN_REPLICATION as i32;\n const UNAUTHORISED_ACTION: i32 = ARCHIVE_ERROR_CODE_UNAUTHORISED_ACTION as i32;\n match code {\n GENERIC => Self::Generic,\n ACTIVE_LISTING => Self::ActiveListing,\n ACTIVE_RECORDING => Self::ActiveRecording,\n ACTIVE_SUBSCRIPTION => Self::ActiveSubscription,\n UNKNOWN_SUBSCRIPTION => Self::UnknownSubscription,\n UNKNOWN_RECORDING => Self::UnknownRecording,\n UNKNOWN_REPLAY => Self::UnknownReplay,\n MAX_REPLAYS => Self::MaxReplays,\n MAX_RECORDINGS => Self::MaxRecordings,\n INVALID_EXTENSION => Self::InvalidExtension,\n AUTHENTICATION_REJECTED => Self::AuthenticationRejected,\n STORAGE_SPACE => Self::StorageSpace,\n UNKNOWN_REPLICATION => Self::UnknownReplication,\n UNAUTHORISED_ACTION => Self::UnauthorisedAction,\n // Java/C++ ArchiveException codes not yet mirrored in the C header:\n 14 => Self::ReplicationConnectionFailure,\n 15 => Self::EmptyRecording,\n 16 => Self::InvalidPosition,\n other => Self::Unknown(other),\n }\n }\n\n /// Resource-exhaustion codes \u{2014} the operation can succeed later once capacity frees up\n /// (a replay/recording slot or storage). Everything else is a state/identity error:\n /// fix the request, don\'t retry it blindly.\n pub fn is_resource_exhausted(&self) -> bool {\n matches!(self, Self::MaxReplays | Self::MaxRecordings | Self::StorageSpace)\n }\n}\n\n/// A typed archive control-session error: the [`AeronArchiveErrorCode`] plus the full\n/// message from the archive.\n#[derive(Debug, Clone, PartialEq, Eq)]\npub struct AeronArchiveError {\n pub code: AeronArchiveErrorCode,\n pub message: String,\n}\n\nimpl AeronArchiveError {\n /// Parses the `errorCode=N` the C archive client embeds in error text (both\n /// `poll_for_error_response` payloads and `AeronCError` `lastError` messages).\n /// Falls back to [`AeronArchiveErrorCode::Generic`] when no code is present.\n pub fn parse(message: &str) -> Self {\n let code = message\n .split(\"errorCode=\")\n .nth(1)\n .and_then(|rest| {\n let digits: String = rest.chars().take_while(|c| c.is_ascii_digit() || *c == \'-\').collect();\n digits.parse::<i32>().ok()\n })\n .map(AeronArchiveErrorCode::from_code)\n .unwrap_or(AeronArchiveErrorCode::Generic);\n Self {\n code,\n message: message.to_string(),\n }\n }\n\n /// Builds the typed error at an `aeron_archive_*` FFI error site: reads the current\n /// thread-local `aeron_errmsg()` text and parses the embedded `errorCode=N` out of\n /// it (that is where the C archive client stores the real control-response code).\n ///\n /// Unlike [`AeronCError::from_code`], this *does* read and copy the error text \u{2014}\n /// it has to, the typed code only exists inside the message. Archive control\n /// operations are request/response calls, not hot-path loops, so the copy is\n /// acceptable there.\n pub fn from_code(code: i32) -> Self {\n let message = Aeron::errmsg();\n if message.contains(\"errorCode=\") {\n Self::parse(message)\n } else {\n // No structured code in the buffer (e.g. generic C-level failure); preserve\n // the message verbatim and let the code fall through to the parsed form, or\n // Generic if nothing is recoverable.\n let parsed = Self::parse(message);\n if matches!(parsed.code, AeronArchiveErrorCode::Generic) && code < 0 {\n Self {\n code: AeronArchiveErrorCode::Generic,\n message: format!(\"{} (code {})\", message, code),\n }\n } else {\n parsed\n }\n }\n }\n}\n\n/// Lossy interop: archive control errors flatten into [`AeronCError`] so `?` works in\n/// mixed client/archive code paths. The original typed code is not preserved (the C\n/// client error domain has no equivalent slot for it); use [`AeronArchiveError`]\n/// directly at archive control sites to retain the typed code.\nimpl From<AeronArchiveError> for AeronCError {\n fn from(err: AeronArchiveError) -> Self {\n AeronCError::with_message(-1, err.message)\n }\n}\n\nimpl std::fmt::Display for AeronArchiveError {\n fn fmt(&self, f: &mut std::fmt::Formatter<\'_>) -> std::fmt::Result {\n write!(f, \"archive error {:?}: {}\", self.code, self.message)\n }\n}\n\nimpl std::error::Error for AeronArchiveError {}\n\n/// Fluent builder for [`AeronArchiveReplayParams`], starting from aeron\'s defaults\n/// (every field `AERON_NULL_VALUE`: replay from the recording start to its end, with the\n/// context-default file IO length and no bounding counter).\n#[derive(Debug, Clone)]\npub struct AeronArchiveReplayParamsBuilder {\n bounding_limit_counter_id: i32,\n file_io_max_length: i32,\n position: i64,\n length: i64,\n replay_token: i64,\n subscription_registration_id: i64,\n}\n\nimpl AeronArchiveReplayParams {\n pub fn builder() -> AeronArchiveReplayParamsBuilder {\n AeronArchiveReplayParamsBuilder {\n bounding_limit_counter_id: AERON_NULL_VALUE,\n file_io_max_length: AERON_NULL_VALUE,\n position: AERON_NULL_VALUE as i64,\n length: AERON_NULL_VALUE as i64,\n replay_token: AERON_NULL_VALUE as i64,\n subscription_registration_id: AERON_NULL_VALUE as i64,\n }\n }\n}\n\nimpl AeronArchiveReplayParamsBuilder {\n /// Start the replay from this position (default: the recording\'s start).\n pub fn position(mut self, position: i64) -> Self {\n self.position = position;\n self\n }\n\n /// Replay this many bytes (default: to the recording\'s end).\n pub fn length(mut self, length: i64) -> Self {\n self.length = length;\n self\n }\n\n /// Follow a live recording after the recorded portion (`length = i64::MAX`).\n pub fn follow_live(mut self) -> Self {\n self.length = i64::MAX;\n self\n }\n\n /// Bound the replay by this counter (triggers a bounded replay request).\n pub fn bounded_by(mut self, counter_id: i32) -> Self {\n self.bounding_limit_counter_id = counter_id;\n self\n }\n\n /// Maximum size of an archive file IO operation during the replay.\n pub fn file_io_max_length(mut self, length: i32) -> Self {\n self.file_io_max_length = length;\n self\n }\n\n /// Token for replays where the initiating image did not create the archive session.\n pub fn replay_token(mut self, token: i64) -> Self {\n self.replay_token = token;\n self\n }\n\n /// Subscription registration id for response-channel replays on an existing channel.\n pub fn subscription_registration_id(mut self, registration_id: i64) -> Self {\n self.subscription_registration_id = registration_id;\n self\n }\n\n pub fn build(self) -> Result<AeronArchiveReplayParams, AeronCError> {\n AeronArchiveReplayParams::new(\n self.bounding_limit_counter_id,\n self.file_io_max_length,\n self.position,\n self.length,\n self.replay_token,\n self.subscription_registration_id,\n )\n }\n}\n\n/// [`AeronArchiveReplicationParams`] plus the string storage its C struct points into.\n///\n/// The C params struct stores raw `char *` pointers, so the strings must outlive it \u{2014}\n/// this wrapper owns them. Deref gives the params for `archive.replicate(...)`.\npub struct AeronArchiveReplicationParamsOwned {\n params: AeronArchiveReplicationParams,\n _credentials: AeronArchiveEncodedCredentials,\n _strings: [std::ffi::CString; 4],\n}\n\nimpl std::ops::Deref for AeronArchiveReplicationParamsOwned {\n type Target = AeronArchiveReplicationParams;\n\n fn deref(&self) -> &Self::Target {\n &self.params\n }\n}\n\n/// Fluent builder for [`AeronArchiveReplicationParams`], starting from aeron\'s defaults:\n/// replicate into a **new** recording at the destination, no live merge, the context\'s\n/// default replication channel, and no credentials.\n#[derive(Debug, Clone, Default)]\npub struct AeronArchiveReplicationParamsBuilder {\n stop_position: Option<i64>,\n dst_recording_id: Option<i64>,\n live_destination: Option<String>,\n replication_channel: Option<String>,\n src_response_channel: Option<String>,\n channel_tag_id: Option<i64>,\n subscription_tag_id: Option<i64>,\n file_io_max_length: Option<i32>,\n replication_session_id: Option<i32>,\n encoded_credentials: Option<String>,\n}\n\nimpl AeronArchiveReplicationParams {\n pub fn builder() -> AeronArchiveReplicationParamsBuilder {\n AeronArchiveReplicationParamsBuilder::default()\n }\n}\n\nimpl AeronArchiveReplicationParamsBuilder {\n /// Stop the replication at this position (default: continuous until synced).\n pub fn stop_position(mut self, position: i64) -> Self {\n self.stop_position = Some(position);\n self\n }\n\n /// Extend this existing recording at the destination (default: create a new one).\n pub fn extend_recording(mut self, dst_recording_id: i64) -> Self {\n self.dst_recording_id = Some(dst_recording_id);\n self\n }\n\n /// Merge to this live destination once caught up (default: no merge).\n pub fn live_destination(mut self, destination: &str) -> Self {\n self.live_destination = Some(destination.to_string());\n self\n }\n\n /// Channel to replicate over (default: the context\'s replication channel).\n pub fn replication_channel(mut self, channel: &str) -> Self {\n self.replication_channel = Some(channel.to_string());\n self\n }\n\n /// Source archive response channel when replicating over response channels.\n pub fn src_response_channel(mut self, channel: &str) -> Self {\n self.src_response_channel = Some(channel.to_string());\n self\n }\n\n /// Tag for the destination archive\'s replication subscription channel.\n pub fn channel_tag_id(mut self, tag: i64) -> Self {\n self.channel_tag_id = Some(tag);\n self\n }\n\n /// Subscription tag for the destination archive\'s replication subscription.\n pub fn subscription_tag_id(mut self, tag: i64) -> Self {\n self.subscription_tag_id = Some(tag);\n self\n }\n\n /// Maximum size of a file IO operation during the replay driving the replication.\n pub fn file_io_max_length(mut self, length: i32) -> Self {\n self.file_io_max_length = Some(length);\n self\n }\n\n /// Session id for the replicated recording (default: keep the source\'s session id).\n pub fn replication_session_id(mut self, session_id: i32) -> Self {\n self.replication_session_id = Some(session_id);\n self\n }\n\n /// Credentials passed to the source archive (simple authentication only).\n pub fn encoded_credentials(mut self, credentials: &str) -> Self {\n self.encoded_credentials = Some(credentials.to_string());\n self\n }\n\n pub fn build(self) -> Result<AeronArchiveReplicationParamsOwned, AeronCError> {\n let live_destination = self.live_destination.unwrap_or_default().into_c_string();\n let replication_channel = self.replication_channel.unwrap_or_default().into_c_string();\n let src_response_channel = self.src_response_channel.unwrap_or_default().into_c_string();\n let credentials_str = self.encoded_credentials.clone().unwrap_or_default().into_c_string();\n let credentials_len = self.encoded_credentials.map(|c| c.len()).unwrap_or(0) as u32;\n let credentials = AeronArchiveEncodedCredentials::new(&credentials_str, credentials_len)?;\n let params = AeronArchiveReplicationParams::new(\n self.stop_position.unwrap_or(AERON_NULL_VALUE as i64),\n self.dst_recording_id.unwrap_or(AERON_NULL_VALUE as i64),\n &live_destination,\n &replication_channel,\n &src_response_channel,\n self.channel_tag_id.unwrap_or(AERON_NULL_VALUE as i64),\n self.subscription_tag_id.unwrap_or(AERON_NULL_VALUE as i64),\n self.file_io_max_length.unwrap_or(AERON_NULL_VALUE),\n self.replication_session_id.unwrap_or(AERON_NULL_VALUE),\n &credentials,\n )?;\n Ok(AeronArchiveReplicationParamsOwned {\n params,\n _credentials: credentials,\n _strings: [\n live_destination,\n replication_channel,\n src_response_channel,\n credentials_str,\n ],\n })\n }\n}\n\nimpl AeronArchive {\n /// Connect to an Aeron Archive in one call: context wiring, async connect, and a\n /// bounded blocking poll.\n ///\n /// For tuned setups \u{2014} error handlers, credentials, recording-signal consumers,\n /// message timeouts \u{2014} build the [`AeronArchiveContext`] yourself and use\n /// [`AeronArchiveAsyncConnect`]. The context used here is retrievable afterwards via\n /// [`Self::get_archive_context`].\n pub fn connect(\n aeron: &Aeron,\n control_request_channel: &str,\n control_response_channel: &str,\n recording_events_channel: Option<&str>,\n timeout: std::time::Duration,\n ) -> Result<AeronArchive, AeronCError> {\n let ctx = AeronArchiveContext::new()?;\n ctx.set_aeron(aeron)?;\n ctx.set_control_request_channel(&control_request_channel.into_c_string())?;\n ctx.set_control_response_channel(&control_response_channel.into_c_string())?;\n if let Some(events) = recording_events_channel {\n ctx.set_recording_events_channel(&events.into_c_string())?;\n }\n AeronArchiveAsyncConnect::new_with_aeron(&ctx, aeron)?.poll_blocking(timeout)\n }\n}\n\nimpl AeronArchive {\n /// Typed variant of [`Self::poll_for_error_response_as_string`]: polls the control\n /// response stream once and returns the parsed archive error, or `Ok(None)` when the\n /// stream is clean.\n pub fn poll_for_error(&self) -> Result<Option<AeronArchiveError>, AeronCError> {\n let message = self.poll_for_error_response_as_string(4096)?;\n if message.is_empty() {\n Ok(None)\n } else {\n Ok(Some(AeronArchiveError::parse(&message)))\n }\n }\n}\n\nimpl AeronArchiveRecordingSignal {\n /// Typed variant of [`Self::recording_signal_code`]: the wire signal as the\n /// `aeron_archive_client_recording_signal_t` enum (START/STOP/EXTEND/REPLICATE/\u{2026}),\n /// or `None` for codes this client version does not know.\n pub fn signal(&self) -> Option<aeron_archive_client_recording_signal_t> {\n use aeron_archive_client_recording_signal_en::*;\n Some(match self.recording_signal_code() {\n 0 => AERON_ARCHIVE_CLIENT_RECORDING_SIGNAL_START,\n 1 => AERON_ARCHIVE_CLIENT_RECORDING_SIGNAL_STOP,\n 2 => AERON_ARCHIVE_CLIENT_RECORDING_SIGNAL_EXTEND,\n 3 => AERON_ARCHIVE_CLIENT_RECORDING_SIGNAL_REPLICATE,\n 4 => AERON_ARCHIVE_CLIENT_RECORDING_SIGNAL_MERGE,\n 5 => AERON_ARCHIVE_CLIENT_RECORDING_SIGNAL_SYNC,\n 6 => AERON_ARCHIVE_CLIENT_RECORDING_SIGNAL_DELETE,\n 7 => AERON_ARCHIVE_CLIENT_RECORDING_SIGNAL_REPLICATE_END,\n _ => return None,\n })\n }\n}\n\n/// Route a persistent subscription through [`AeronFragmentClosureAssembler`] for\n/// API consistency with [`AeronSubscription`]. Note: the C\n/// `aeron_archive_persistent_subscription_poll` already reassembles fragments\n/// internally (via `aeron_image_fragment_assembler_handler`), so the delegate\n/// receives whole messages either way \u{2014} the Rust assembler here is a pass-through.\n/// Prefer `ps.poll_fn(handler, limit)` directly unless you want the shared API.\nimpl FragmentAssemblable for AeronArchivePersistentSubscription {\n #[inline]\n fn poll_with_assembler(\n &self,\n assembler: Option<&Handler<AeronFragmentAssembler>>,\n fragment_limit: usize,\n ) -> Result<i32, AeronCError> {\n self.poll(assembler, fragment_limit)\n }\n}\n\n/// Controlled-poll counterpart for [`AeronControlledFragmentClosureAssembler`].\nimpl ControlledFragmentAssemblable for AeronArchivePersistentSubscription {\n #[inline]\n fn controlled_poll_with_assembler(\n &self,\n assembler: Option<&Handler<AeronControlledFragmentAssembler>>,\n fragment_limit: usize,\n ) -> Result<i32, AeronCError> {\n self.controlled_poll(assembler, fragment_limit)\n }\n}\n";