[RPC] Extend RegisterTaskGraphRequest to provide the TaskGraph struct…

…ure.

rpc/protos/erdos_scheduler.proto

@@ -107,11 +107,22 @@ message DeregisterDriverResponse {
 /// Application related RPC structures.
 /// The following structures represent the data that an application (TaskGraph)
 /// must pass to the scheduling backend.
+message Task {
+ uint32 id = 1;
+ string name = 2;
+}
+
+message TaskDependencies {
+ Task key = 1;
+ repeated uint32 children_ids = 2;
+}
+
 message RegisterTaskGraphRequest {
  string id = 1;
  string name = 2;
  uint64 timestamp = 3;
- int32 deadline = 4;
+ repeated TaskDependencies dependencies = 4;
+ int32 deadline = 5;
 }
 
 message RegisterTaskGraphResponse {