...

src/options.rs

@@ -0,0 +1,15 @@
+#[derive(Clone)]
+pub struct DBOption {
+    pub dir: String,
+    pub db_file_name: String,
+    pub replication: ReplicationOption,
+    pub port: u16,
+}
+
+#[derive(Clone)]
+pub struct ReplicationOption {
+    pub role: String,
+    pub master_replid: String,
+    pub master_repl_offset: u64,
+    pub replica_of: Option<String>,
+}