| // Licensed to the Apache Software Foundation (ASF) under one |
| // or more contributor license agreements. See the NOTICE file |
| // distributed with this work for additional information |
| // regarding copyright ownership. The ASF licenses this file |
| // to you under the Apache License, Version 2.0 (the |
| // "License"); you may not use this file except in compliance |
| // with the License. You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, |
| // software distributed under the License is distributed on an |
| // "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| // KIND, either express or implied. See the License for the |
| // specific language governing permissions and limitations |
| // under the License. |
| |
| syntax = "proto2"; |
| package heron.proto.stmgr; |
| option java_package = "org.apache.heron.proto.stmgr"; |
| option java_outer_classname = "StreamManager"; |
| |
| import "common.proto"; |
| import "physical_plan.proto"; |
| |
| // |
| // Messages sent by topologymaster |
| // |
| |
| message NewPhysicalPlanMessage { |
| required heron.proto.system.PhysicalPlan new_pplan = 1; |
| } |
| |
| // |
| // Request/Responses by the instance |
| // |
| message RegisterInstanceRequest { |
| // Information about the instance registering with us |
| required heron.proto.system.Instance instance = 1; |
| required string topology_name = 2; |
| required string topology_id = 3; |
| } |
| |
| message RegisterInstanceResponse { |
| required heron.proto.system.Status status = 1; |
| // If the assignment is known, send it |
| optional heron.proto.system.PhysicalPlan pplan = 2; |
| } |
| |
| message NewInstanceAssignmentMessage { |
| required heron.proto.system.PhysicalPlan pplan = 1; |
| } |
| |
| // messages exchanged between stream managers |
| message StrMgrHelloRequest { |
| required string topology_name = 1; |
| required string topology_id = 2; |
| required string stmgr = 3; |
| } |
| |
| message StrMgrHelloResponse { |
| required heron.proto.system.Status status = 1; |
| } |
| |
| message StartBackPressureMessage { |
| required string topology_name = 1; |
| required string topology_id = 2; |
| required string stmgr = 3; |
| required string message_id = 4; |
| } |
| |
| message StopBackPressureMessage { |
| required string topology_name = 1; |
| required string topology_id = 2; |
| required string stmgr = 3; |
| required string message_id = 4; |
| } |
| |
| // Tuples exchanged between stream managers |
| message TupleStreamMessage { |
| // The src_task of this message |
| required int32 src_task_id = 3; |
| // This is actually the destination task_id |
| required int32 task_id = 1; |
| // serialized data |
| required bytes set = 2; |
| // number of tuples in serialized data tuples only |
| required int32 num_tuples = 4; |
| } |