1 files changed, 56 insertions, 0 deletions
diff --git a/protocol/src/address.rs b/protocol/src/address.rs
new file mode 100644
index 0000000..ab49df4
--- /dev/null
+++ b/protocol/src/address.rs
@@ -0,0 +1,56 @@
+use crate::protocol::BasicProtocol;
+use std::marker::PhantomData;
+
+/// Upstream, used by Workspace to describe the protocol of UpstreamVault
+pub struct Upstream<Protocol>
+where
+    Protocol: BasicProtocol,
+{
+    /// Protocol of the target upstream machine
+    _p: PhantomData<Protocol>,
+
+    /// Address of the target upstream machine
+    target_address: String,
+}
+
+impl<Protocol> Upstream<Protocol>
+where
+    Protocol: BasicProtocol,
+{
+    pub fn new(addr: &str) -> Self {
+        Upstream {
+            _p: PhantomData,
+            target_address: addr.to_string(),
+        }
+    }
+}
+
+/// Host, used by Vault to describe its own protocol
+pub struct Host<Protocol>
+where
+    Protocol: BasicProtocol,
+{
+    /// Protocol of the target upstream machine
+    _p: PhantomData<Protocol>,
+}
+
+impl<Protocol> Upstream<Protocol>
+where
+    Protocol: BasicProtocol,
+{
+    pub fn address(addr: &str) -> Self {
+        Upstream {
+            _p: PhantomData,
+            target_address: addr.to_string(),
+        }
+    }
+}
+
+impl<Protocol> Host<Protocol>
+where
+    Protocol: BasicProtocol,
+{
+    pub fn new() -> Self {
+        Host { _p: PhantomData }
+    }
+}