| /* |
| * Copyright (C) 2019 The Android Open Source Project |
| * |
| * Licensed 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"; |
| option optimize_for = LITE_RUNTIME; |
| |
| package perfetto.protos; |
| |
| message ObservableEvents { |
| enum Type { |
| TYPE_UNSPECIFIED = 0; |
| // State changes of data source instances associated with the consumer's |
| // session. Note that not all data sources may support these notifications. |
| TYPE_DATA_SOURCES_INSTANCES = 1; |
| // TODO(eseckler): Extend this for producer & data source registrations. |
| } |
| |
| enum DataSourceInstanceState { |
| // A data source is created in stopped state. |
| DATA_SOURCE_INSTANCE_STATE_STOPPED = 1; |
| DATA_SOURCE_INSTANCE_STATE_STARTED = 2; |
| } |
| |
| message DataSourceInstanceStateChange { |
| optional string producer_name = 1; |
| optional string data_source_name = 2; |
| optional DataSourceInstanceState state = 3; |
| } |
| |
| repeated DataSourceInstanceStateChange instance_state_changes = 1; |
| } |