pd: add callee_id to RequestHeader (#38)

iosmanthus · overvenus · JmPotato · web-flow · commit 54389610ec11 · 2026-01-14T17:18:32.000+08:00
Co-authored-by: Neil Shen &lt;overvenus@gmail.com&gt;
Co-authored-by: JmPotato &lt;ghzpotato@gmail.com&gt;
Co-authored-by: Ryan Leung &lt;rleungx@gmail.com&gt;
diff --git a/pkg/tsopb/tsopb.pb.go b/pkg/tsopb/tsopb.pb.go
diff --git a/proto/tsopb.proto b/proto/tsopb.proto
@@ -37,6 +37,11 @@ message RequestHeader {
     uint32 keyspace_id = 3;
     // keyspace_group_id is the unique id of the keyspace group to which the tenant/keyspace belongs.
     uint32 keyspace_group_id = 4;
+    // callee_id is the ID of the server which the client expects to receive the request.
+	// such as tso-0, tso-1, pd-0, pd-1 etc.
+	// This field is used to check if the request is sent to the expected server.
+	// If it is not matched, the server will return an error.
+    string callee_id = 5;
 }
 
 message ResponseHeader {
diff --git a/scripts/proto.lock b/scripts/proto.lock
@@ -22872,6 +22872,11 @@
                 "id": 4,
                 "name": "keyspace_group_id",
                 "type": "uint32"
+              },
+              {
+                "id": 5,
+                "name": "callee_id",
+                "type": "string"
               }
             ]
           },

Original file line number	Diff line number	Diff line change
`@@ -22872,6 +22872,11 @@`
`22872`	`22872`	`"id": 4,`
`22873`	`22873`	`"name": "keyspace_group_id",`
`22874`	`22874`	`"type": "uint32"`
	`22875`	`+ },`
	`22876`	`+ {`
	`22877`	`+ "id": 5,`
	`22878`	`+ "name": "callee_id",`
	`22879`	`+ "type": "string"`
`22875`	`22880`	`}`
`22876`	`22881`	`]`
`22877`	`22882`	`},`