| /* |
| * 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. |
| */ |
| |
| /* |
| * Protocol buffer definition for session serialization files |
| */ |
| |
| syntax = "proto3"; |
| |
| package session; |
| |
| import "beam_fn_api.proto"; |
| |
| message Header { |
| string version = 1; // version identifier of the session schema |
| string sdk_version = 2; // build information for the SDK that generated the session. |
| int64 max_msg_len = 3; // maximum length of a single entry |
| } |
| |
| message Footer { |
| // The main use case for this is to make it clear the whole session |
| // file is complete. Improvements to this message could include writing |
| // an index for contents in the file, a la Google sstables. |
| } |
| |
| enum Kind { |
| INVALID = 0; |
| INSTRUCTION_REQUEST = 1; |
| INSTRUCTION_RESPONSE = 2; |
| DATA_RECEIVED = 3; |
| DATA_SENT = 4; |
| LOG_ENTRIES = 5; |
| HEADER = 6; |
| FOOTER = 7; |
| } |
| |
| message EntryHeader { |
| int64 len = 1; |
| Kind kind = 2; |
| } |
| |
| message Entry { |
| Kind kind = 1; |
| oneof msg { |
| org.apache.beam.model.fn_execution.v1.InstructionRequest inst_req= 1000; |
| org.apache.beam.model.fn_execution.v1.InstructionResponse inst_resp= 1001; |
| org.apache.beam.model.fn_execution.v1.Elements elems = 1002; |
| org.apache.beam.model.fn_execution.v1.LogEntry.List log_entries = 1003; |
| Header header = 1004; |
| Footer footer = 1005; |
| } |
| |
| int64 timestamp = 2; |
| } |