Upgraded to protobuf3 language.

The downside no required fields anymore, but now that the protocol
works, should not be a problem.
The upside, more language support, and an option to increase memory
locality by the use of arena allocation in c++, enabled the option for
now need to rewrite some code to take advantage of.

1 files changed, 11 insertions, 7 deletions

diff --git a/libcmix-protobuf/cmix.proto b/libcmix-protobuf/cmix.proto
index d0e3da2..5cfdd92 100644
--- a/libcmix-protobuf/cmix.proto
+++ b/libcmix-protobuf/cmix.proto
@@ -1,11 +1,15 @@
+syntax = "proto3";
+
+option cc_enable_arenas = true;
+
 package cmix_proto;
 
 message Initialization {
-	required bytes public_share = 1;
+	bytes public_share = 1;
 }
 
 message SecretKey {
-	required bytes secret_key = 1;
+	bytes secret_key = 1;
 }
 
 message ImANode {
@@ -13,7 +17,7 @@ message ImANode {
 }
 
 message ImAClient {
-	required bytes id = 1;
+	bytes id = 1;
 }
 
 message Bye {
@@ -21,8 +25,8 @@ message Bye {
 }
 
 message KeyExchange {
-	required bytes public_key = 1;
-	required bytes value = 2;
+	bytes public_key = 1;
+	bytes value = 2;
 }
 
 message NodeReady {
@@ -30,7 +34,7 @@ message NodeReady {
 }
 
 message UserMessage {
-	required bytes M = 1;
+	bytes M = 1;
 }
 
 message PrePre {
@@ -58,7 +62,7 @@ message RealMix {
 }
 
 message Payload {
-	required bytes payload = 1;
+	bytes payload = 1;
 }
 
 message CMixMessage {