Streamline dc management api (#11)

* Add response for request messages

* Fix numbering

* Adding messages for node status check

* Reverting the node_ready support

Author: bieniusa

include/antidote_pb.hrl

@@ -281,6 +281,14 @@
         }).
 -endif.
 
+-ifndef('APBCREATEDCRESP_PB_H').
+-define('APBCREATEDCRESP_PB_H', true).
+-record('ApbCreateDCResp',
+        {success                :: boolean() | 0 | 1, % = 1
+         errorcode              :: non_neg_integer() | undefined % = 2, 32 bits
+        }).
+-endif.
+
 -ifndef('APBGETCONNECTIONDESCRIPTOR_PB_H').
 -define('APBGETCONNECTIONDESCRIPTOR_PB_H', true).
 -record('ApbGetConnectionDescriptor',
@@ -304,4 +312,12 @@
         }).
 -endif.
 
+-ifndef('APBCONNECTTODCSRESP_PB_H').
+-define('APBCONNECTTODCSRESP_PB_H', true).
+-record('ApbConnectToDCsResp',
+        {success                :: boolean() | 0 | 1, % = 1
+         errorcode              :: non_neg_integer() | undefined % = 2, 32 bits
+        }).
+-endif.
+
 -endif.

proto/antidote.proto

@@ -248,6 +248,11 @@ message ApbCreateDC {
   repeated string nodes = 1;
 }
 
+message ApbCreateDCResp {
+  required bool success = 1;
+  optional uint32 errorcode = 2;
+}
+
 // Get a connection descriptor of the DC to be given to other DCs.
 message ApbGetConnectionDescriptor {
 }
@@ -265,3 +270,8 @@ message ApbConnectToDCs {
   // descriptors is a list of connection information of all DCs obtained from ApbGetConnectionDescriptorResp.descriptor
     repeated bytes descriptors = 1;
 }
+
+message ApbConnectToDCsResp {
+  required bool success = 1;
+  optional uint32 errorcode = 2;
+}