1 files changed, 44 insertions, 0 deletions
diff --git a/module/registries.m b/module/registries.m
new file mode 100644
index 00000000..5aaa53f4
--- /dev/null
+++ b/module/registries.m
@@ -0,0 +1,44 @@
+Registries: module {
+	PATH:	con "/dis/lib/registries.dis";
+	init:			fn();
+
+	Attributes: adt {
+		attrs: list of (string, string);
+
+		get:	fn(a: self ref Attributes, attr: string): string;
+		set:	fn(a: self ref Attributes, attr, val: string);
+		new:	fn(attrs: list of (string, string)): ref Attributes;
+	};
+
+	Attached: adt {
+		fd:			ref Sys->FD;
+		signerpkhash:	string;
+		localuser:		string;
+		remoteuser:	string;
+	};
+
+	Service: adt {
+		addr: string;			# dial this to connect to the service.
+		attrs: ref Attributes;		# information about the nature of the service.
+
+		attach:	fn(s: self ref Service, user: string, keydir: string): ref Attached;
+	};
+
+	Registered: adt {
+		addr:	string;
+		reg:		ref Registry;
+		fd:		ref Sys->FD;
+	};
+
+	Registry: adt {
+		dir:		string;
+		indexfd:	ref Sys->FD;
+
+		new:		fn(dir: string): ref Registry;
+		connect:	fn(svc: ref Service, user: string, keydir: string): ref Registry;
+		services:	fn(r: self ref Registry): (list of ref Service, string);
+		find:		fn(r: self ref Registry, a: list of (string, string)): (list of ref Service, string);
+		register:	fn(r: self ref Registry, addr: string, attrs: ref Attributes, persist: int): (ref Registered, string);
+		unregister:	fn(r: self ref Registry, addr: string): string;
+	};
+};