use garage_rpc::ring::*; use garage_util::data::*; /// Trait to describe how a table shall be replicated pub trait TableReplication: Send + Sync { // See examples in table_sharded.rs and table_fullcopy.rs // To understand various replication methods /// Which nodes to send read requests to fn read_nodes(&self, hash: &Hash) -> Vec; /// Responses needed to consider a read succesfull fn read_quorum(&self) -> usize; /// Which nodes to send writes to fn write_nodes(&self, hash: &Hash) -> Vec; /// Responses needed to consider a write succesfull fn write_quorum(&self) -> usize; // this feels like its write_nodes().len() - write_quorum() fn max_write_errors(&self) -> usize; // Accessing partitions, for Merkle tree & sync /// Get partition for data with given hash fn partition_of(&self, hash: &Hash) -> Partition; /// List of existing partitions fn partitions(&self) -> Vec<(Partition, Hash)>; }