320 lines
12 KiB
Protocol Buffer
320 lines
12 KiB
Protocol Buffer
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//
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// Copyrights (c) 2016, Juniper Networks, Inc.
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// All rights reserved.
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//
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//
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// Licensed to the Apache Software Foundation (ASF) under one
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// or more contributor license agreements. See the NOTICE file
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// distributed with this work for additional information
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// regarding copyright ownership. The ASF licenses this file
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// to you under the Apache License, Version 2.0 (the
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// "License"); you may not use this file except in compliance
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// with the License. You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing,
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// software distributed under the License is distributed on an
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// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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// KIND, either express or implied. See the License for the
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// specific language governing permissions and limitations
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// under the License.
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//
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//
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// Nitin Kumar 04/07/2016
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// Abbas Sakarwala 04/07/2016
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//
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// This file defines the Openconfig Telemetry RPC APIs (for gRPC).
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//
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// https://github.com/openconfig/public/blob/master/release/models/rpc/openconfig-rpc-api.yang
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//
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// Version 1.0
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//
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syntax = "proto3";
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package telemetry;
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// Interface exported by Agent
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service OpenConfigTelemetry {
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// Request an inline subscription for data at the specified path.
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// The device should send telemetry data back on the same
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// connection as the subscription request.
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rpc telemetrySubscribe(SubscriptionRequest) returns (stream OpenConfigData) {}
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// Terminates and removes an exisiting telemetry subscription
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rpc cancelTelemetrySubscription(CancelSubscriptionRequest) returns (CancelSubscriptionReply) {}
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// Get the list of current telemetry subscriptions from the
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// target. This command returns a list of existing subscriptions
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// not including those that are established via configuration.
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rpc getTelemetrySubscriptions(GetSubscriptionsRequest) returns (GetSubscriptionsReply) {}
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// Get Telemetry Agent Operational States
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rpc getTelemetryOperationalState(GetOperationalStateRequest) returns (GetOperationalStateReply) {}
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// Return the set of data encodings supported by the device for
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// telemetry data
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rpc getDataEncodings(DataEncodingRequest) returns (DataEncodingReply) {}
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}
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// Message sent for a telemetry subscription request
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message SubscriptionRequest {
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// Data associated with a telemetry subscription
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SubscriptionInput input = 1;
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// List of data models paths and filters
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// which are used in a telemetry operation.
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repeated Path path_list = 2;
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// The below configuration is not defined in Openconfig RPC.
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// It is a proposed extension to configure additional
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// subscription request features.
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SubscriptionAdditionalConfig additional_config = 3;
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}
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// Data associated with a telemetry subscription
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message SubscriptionInput {
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// List of optional collector endpoints to send data for
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// this subscription.
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// If no collector destinations are specified, the collector
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// destination is assumed to be the requester on the rpc channel.
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repeated Collector collector_list = 1;
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}
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// Collector endpoints to send data specified as an ip+port combination.
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message Collector {
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// IP address of collector endpoint
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string address = 1;
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// Transport protocol port number for the collector destination.
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uint32 port = 2;
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}
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// Data model path
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message Path {
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// Data model path of interest
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// Path specification for elements of OpenConfig data models
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string path = 1;
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// Regular expression to be used in filtering state leaves
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string filter = 2;
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// If this is set to true, the target device will only send
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// updates to the collector upon a change in data value
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bool suppress_unchanged = 3;
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// Maximum time in ms the target device may go without sending
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// a message to the collector. If this time expires with
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// suppress-unchanged set, the target device must send an update
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// message regardless if the data values have changed.
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uint32 max_silent_interval = 4;
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// Time in ms between collection and transmission of the
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// specified data to the collector platform. The target device
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// will sample the corresponding data (e.g,. a counter) and
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// immediately send to the collector destination.
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//
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// If sample-frequency is set to 0, then the network device
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// must emit an update upon every datum change.
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uint32 sample_frequency = 5;
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// EOM needed for each walk cycle of this path?
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// For periodic sensor, applicable for each complete reap
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// For event sensor, applicable when initial dump is over
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// (same as EOS)
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// This feature is not implemented currently.
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bool need_eom = 6;
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}
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// Configure subscription request additional features.
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message SubscriptionAdditionalConfig {
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// limit the number of records sent in the stream
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int32 limit_records = 1;
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// limit the time the stream remains open
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int32 limit_time_seconds = 2;
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// EOS needed for this subscription?
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bool need_eos = 3;
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}
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// Reply to inline subscription for data at the specified path is done in
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// two-folds.
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// 1. Reply data message sent out using out-of-band channel.
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// 2. Telemetry data send back on the same connection as the
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// subscription request.
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// 1. Reply data message sent out using out-of-band channel.
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message SubscriptionReply {
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// Response message to a telemetry subscription creation or
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// get request.
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SubscriptionResponse response = 1;
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// List of data models paths and filters
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// which are used in a telemetry operation.
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repeated Path path_list = 2;
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}
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// Response message to a telemetry subscription creation or get request.
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message SubscriptionResponse {
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// Unique id for the subscription on the device. This is
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// generated by the device and returned in a subscription
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// request or when listing existing subscriptions
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uint32 subscription_id = 1;
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}
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// 2. Telemetry data send back on the same connection as the
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// subscription request.
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message OpenConfigData {
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// router name:export IP address
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string system_id = 1;
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// line card / RE (slot number)
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uint32 component_id = 2;
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// PFE (if applicable)
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uint32 sub_component_id = 3;
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// Path specification for elements of OpenConfig data models
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string path = 4;
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// Sequence number, monotonically increasing for each
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// system_id, component_id, sub_component_id + path.
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uint64 sequence_number = 5;
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// timestamp (milliseconds since epoch)
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uint64 timestamp = 6;
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// List of key-value pairs
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repeated KeyValue kv = 7;
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// For delete. If filled, it indicates delete
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repeated Delete delete = 8;
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// If filled, it indicates end of marker for the
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// respective path in the list.
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repeated Eom eom = 9;
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// If filled, it indicates end of sync for complete subscription
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bool sync_response = 10;
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}
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// Simple Key-value, where value could be one of scalar types
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message KeyValue {
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// Key
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string key = 1;
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// One of possible values
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oneof value {
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double double_value = 5;
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int64 int_value = 6;
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uint64 uint_value = 7;
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sint64 sint_value = 8;
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bool bool_value = 9;
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string str_value = 10;
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bytes bytes_value = 11;
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}
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}
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// Message indicating delete for a particular path
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message Delete {
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string path = 1;
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}
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// Message indicating EOM for a particular path
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message Eom {
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string path = 1;
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}
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// Message sent for a telemetry subscription cancellation request
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message CancelSubscriptionRequest {
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// Subscription identifier as returned by the device when
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// subscription was requested
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uint32 subscription_id = 1;
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}
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// Reply to telemetry subscription cancellation request
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message CancelSubscriptionReply {
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// Return code
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ReturnCode code = 1;
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// Return code string
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string code_str = 2;
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};
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// Result of the operation
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enum ReturnCode {
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SUCCESS = 0;
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NO_SUBSCRIPTION_ENTRY = 1;
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UNKNOWN_ERROR = 2;
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}
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// Message sent for a telemetry get request
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message GetSubscriptionsRequest {
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// Subscription identifier as returned by the device when
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// subscription was requested
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// --- or ---
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// 0xFFFFFFFF for all subscription identifiers
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uint32 subscription_id = 1;
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}
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// Reply to telemetry subscription get request
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message GetSubscriptionsReply {
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// List of current telemetry subscriptions
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repeated SubscriptionReply subscription_list = 1;
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}
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// Message sent for telemetry agent operational states request
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message GetOperationalStateRequest {
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// Per-subscription_id level operational state can be requested.
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//
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// Subscription identifier as returned by the device when
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// subscription was requested
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// --- or ---
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// 0xFFFFFFFF for all subscription identifiers including agent-level
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// operational stats
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// --- or ---
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// If subscription_id is not present then sent only agent-level
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// operational stats
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uint32 subscription_id = 1;
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// Control verbosity of the output
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VerbosityLevel verbosity = 2;
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}
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// Verbosity Level
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enum VerbosityLevel {
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DETAIL = 0;
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TERSE = 1;
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BRIEF = 2;
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}
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// Reply to telemetry agent operational states request
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message GetOperationalStateReply {
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// List of key-value pairs where
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// key = operational state definition
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// value = operational state value
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repeated KeyValue kv = 1;
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}
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// Message sent for a data encoding request
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message DataEncodingRequest {
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}
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// Reply to data encodings supported request
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message DataEncodingReply {
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repeated EncodingType encoding_list = 1;
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}
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// Encoding Type Supported
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enum EncodingType {
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UNDEFINED = 0;
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XML = 1;
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JSON_IETF = 2;
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PROTO3 = 3;
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}
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