73 lines
1.8 KiB
Rust
73 lines
1.8 KiB
Rust
//! Raft consensus implementation for ruvector distributed metadata
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//!
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//! This crate provides a production-ready Raft consensus implementation
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//! following the Raft paper specification for managing distributed metadata
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//! in the ruvector vector database.
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pub mod election;
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pub mod log;
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pub mod node;
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pub mod rpc;
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pub mod state;
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pub use node::{RaftNode, RaftNodeConfig};
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pub use rpc::{
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AppendEntriesRequest, AppendEntriesResponse, InstallSnapshotRequest, InstallSnapshotResponse,
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RequestVoteRequest, RequestVoteResponse,
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};
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pub use state::{LeaderState, PersistentState, RaftState, VolatileState};
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use thiserror::Error;
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/// Result type for Raft operations
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pub type RaftResult<T> = Result<T, RaftError>;
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/// Errors that can occur during Raft operations
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#[derive(Debug, Error)]
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pub enum RaftError {
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#[error("Node is not the leader")]
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NotLeader,
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#[error("No leader available")]
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NoLeader,
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#[error("Invalid term: {0}")]
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InvalidTerm(u64),
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#[error("Invalid log index: {0}")]
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InvalidLogIndex(u64),
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#[error("Serialization error: {0}")]
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SerializationEncodeError(#[from] bincode::error::EncodeError),
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#[error("Deserialization error: {0}")]
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SerializationDecodeError(#[from] bincode::error::DecodeError),
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#[error("IO error: {0}")]
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IoError(#[from] std::io::Error),
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#[error("Election timeout")]
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ElectionTimeout,
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#[error("Log inconsistency detected")]
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LogInconsistency,
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#[error("Snapshot installation failed: {0}")]
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SnapshotFailed(String),
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#[error("Configuration error: {0}")]
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ConfigError(String),
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#[error("Internal error: {0}")]
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Internal(String),
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}
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/// Node identifier type
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pub type NodeId = String;
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/// Term number in Raft consensus
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pub type Term = u64;
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/// Log index in Raft log
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pub type LogIndex = u64;
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