--- /dev/null
+package kvrpc;
+
+enum Result
+{
+ SUCCESS = 0;
+ FAILURE = 1;
+}
+
+message Put
+{
+ required string key = 1;
+ required string value = 2;
+}
+
+message PutReply
+{
+ required Result result = 1;
+}
+
+message Get
+{
+ required string key = 1;
+}
+
+message GetReply
+{
+ required Result result = 1;
+ optional string value = 2;
+}
+
+service KeyValueService
+{
+ rpc PutValue(Put) returns(PutReply);
+ rpc GetValue(Get) returns(GetReply);
+}