From e6af19d0e44be90eb101edd88f1103707e425f37 Mon Sep 17 00:00:00 2001
From: Kai Kriegel <kai@kjkriegel.de>
Date: Thu, 26 Nov 2020 15:17:26 +0000
Subject: [PATCH 1/2] removed greeting and leave message

---
 connection.capnp | 35 -----------------------------------
 1 file changed, 35 deletions(-)

diff --git a/connection.capnp b/connection.capnp
index 01f3d66..6e90078 100644
--- a/connection.capnp
+++ b/connection.capnp
@@ -41,38 +41,3 @@ interface Bootstrap {
     # Diflouroborane stores machine¹ information in an opaque internal database. This interface is
     # the only stable process of modifying that information
 }
-
-struct Greeting {
-    # Be nice and say hello to each other first
-    # A client sends this message to a server first thing, a server then replies
-    # similarly
-
-    # Hello, I'm …
-    host @0 :Text; # non-qualified Hostname of the client/server, as applicable
-
-    # using the program …
-    program @1 :Text; # SHOULD be of the form `programname-version`
-
-    # and speak the API version …
-    major @2 :UInt32; # The major part of the API version
-    minor @3 :UInt32; # The minor part of the API version
-}
-
-struct Leave {
-    # Be nice and tell the other side before aborting a connection
-    enum Reason {
-        other @0;
-        # None of the more specific reasons.  An implementation SHOULD provide
-        # more (human-readable) information in the `message` field.
-
-        incompatible @1;
-        # The API versions are in some way incompatible.  Doesn't need much of
-        # an explanation so an implementation MAY leave the message field
-        # empty.
-    }
-
-    reason @0 :Reason;
-    message @1 :Text;   
-    # An implementation SHOULD send a human-readable message along, with the
-    # exception of reasons that are self-explanatory (e.g. incompatible versions)
-}

From f1c518884f837abf1ca9edfaa017026fcd56ad2d Mon Sep 17 00:00:00 2001
From: Kai Kriegel <kai@kjkriegel.de>
Date: Tue, 15 Dec 2020 22:43:31 +0000
Subject: [PATCH 2/2] Feature/machine properties

---
 api.capnp | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/api.capnp b/api.capnp
index 54ce797..0046740 100644
--- a/api.capnp
+++ b/api.capnp
@@ -84,11 +84,22 @@ struct Machine {
 
         responsible @3 :User; # This field may be NULL if nobody is using the machine
     }
+    
+    struct PropertyMap {
+        properties @0 :List(Property);
+        struct Property {
+            key @0 :Text;
+            value @1 :Text;
+        }
+    }
 
     read @0 :Read;
     interface Read $CSharp.name("ReadInterface") {
         info @0 () -> ( minfo :MInfo, dummy :UInt8 = 0 );
         # Check the state of a machine.
+        
+        getProperties @1 () -> (properties :PropertyMap, dummy :UInt8 = 0 );
+        # Read Machine Properties
     }
 
     write @1 :Write;
@@ -106,6 +117,12 @@ struct Machine {
         reserve @1 () -> ( ret :GiveBack );
         # Try to reserve a machine. returns a NULL-ptr if the user does not have the required
         # permissions to reserve this machine
+        
+        setProperties @2 (properties :PropertyMap) -> ();
+        # Write all Machine Properties
+        
+        setProperty @3 (property :PropertyMap.Property) -> ();
+        # Write ONE Machine Property identified by it's key
     }