WIP big refactoring

1 files changed, 22 insertions, 0 deletions

diff --git a/src/table/replication/parameters.rs b/src/table/replication/parameters.rs
new file mode 100644
index 00000000..4607b050
--- /dev/null
+++ b/src/table/replication/parameters.rs
@@ -0,0 +1,22 @@
+use garage_rpc::membership::System;
+use garage_rpc::ring::Ring;
+
+use garage_util::data::*;
+
+pub trait TableReplication: Send + Sync {
+	// See examples in table_sharded.rs and table_fullcopy.rs
+	// To understand various replication methods
+
+	// Which nodes to send reads from
+	fn read_nodes(&self, hash: &Hash, system: &System) -> Vec<UUID>;
+	fn read_quorum(&self) -> usize;
+
+	// Which nodes to send writes to
+	fn write_nodes(&self, hash: &Hash, system: &System) -> Vec<UUID>;
+	fn write_quorum(&self, system: &System) -> usize;
+	fn max_write_errors(&self) -> usize;
+
+	// Which are the nodes that do actually replicate the data
+	fn replication_nodes(&self, hash: &Hash, ring: &Ring) -> Vec<UUID>;
+	fn split_points(&self, ring: &Ring) -> Vec<Hash>;
+}