commit bf57bcef60c2619e07e5dad6deda336e6dde8626
author Steven Moreland <smoreland@google.com> Mon Jul 26 15:26:12 2021 -0700
committer Steven Moreland <smoreland@google.com> Tue Jul 27 13:46:10 2021 -0700
tree 9c86f5cb95937e67c3d43558ad2519a879b0263e
parent 4068ef232a1dbeeab3895db27ae4f0fd5997e51a

libbinder: RPC binder - incl. protocol version

Bug: 182938972
Test: binderRpcTest
Change-Id: I135fa44b111d92b53161775dea90a42e4cb5bee1

libs/binder/RpcWireFormat.h

diff --git a/libs/binder/RpcWireFormat.h b/libs/binder/RpcWireFormat.h
index 2a44c7a..0f8efd2 100644
--- a/libs/binder/RpcWireFormat.h
+++ b/libs/binder/RpcWireFormat.h
@@ -37,9 +37,20 @@
  * either as part of a new session or an existing session
  */
 struct RpcConnectionHeader {
+    uint32_t version; // maximum supported by caller
+    uint8_t reserver0[4];
     RpcWireAddress sessionId;
     uint8_t options;
-    uint8_t reserved[7];
+    uint8_t reserved1[7];
+};
+
+/**
+ * In response to an RpcConnectionHeader which corresponds to a new session,
+ * this returns information to the server.
+ */
+struct RpcNewSessionResponse {
+    uint32_t version; // maximum supported by callee <= maximum supported by caller
+    uint8_t reserved[4];
 };
 
 #define RPC_CONNECTION_INIT_OKAY "cci"