sparkplug.proto
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/**
* Copyright © 2016-2024 The Thingsboard Authors
*
* 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 = "proto3";
import "google/protobuf/any.proto";
option java_package = "org.thingsboard.server.gen.transport.mqtt";
option java_outer_classname = "SparkplugBProto";
message Payload {
/*
// Indexes of Data Types
// Unknown placeholder for future expansion.
Unknown = 0;
// Basic Types
Int8 = 1;
Int16 = 2;
Int32 = 3;
Int64 = 4;
UInt8 = 5;
UInt16 = 6;
UInt32 = 7;
UInt64 = 8;
Float = 9;
Double = 10;
Boolean = 11;
String = 12;
DateTime = 13;
Text = 14;
// Additional Metric Types
UUID = 15;
DataSet = 16;
Bytes = 17;
File = 18;
Template = 19;
// Additional PropertyValue Types
PropertySet = 20;
PropertySetList = 21;
*/
message Template {
message Parameter {
optional string name = 1;
optional uint32 type = 2;
oneof value {
uint32 int_value = 3;
uint64 long_value = 4;
float float_value = 5;
double double_value = 6;
bool boolean_value = 7;
string string_value = 8;
ParameterValueExtension extension_value = 9;
}
message ParameterValueExtension {
google.protobuf.Any extensions = 1;
}
}
optional string version = 1; // The version of the Template to prevent mismatches
repeated Metric metrics = 2; // Each metric is the name of the metric and the datatype of the member but does not contain a value
repeated Parameter parameters = 3;
optional string template_ref = 4; // Reference to a template if this is extending a Template or an instance - must exist if an instance
optional bool is_definition = 5;
google.protobuf.Any extensions = 6;
}
message DataSet {
message DataSetValue {
oneof value {
uint32 int_value = 1;
uint64 long_value = 2;
float float_value = 3;
double double_value = 4;
bool boolean_value = 5;
string string_value = 6;
DataSetValueExtension extension_value = 7;
}
message DataSetValueExtension {
google.protobuf.Any extensions = 1;
}
}
message Row {
repeated DataSetValue elements = 1;
google.protobuf.Any extensions = 2; // For third party extensions
}
optional uint64 num_of_columns = 1;
repeated string columns = 2;
repeated uint32 types = 3;
repeated Row rows = 4;
google.protobuf.Any extensions = 5; // For third party extensions
}
message PropertyValue {
optional uint32 type = 1;
optional bool is_null = 2;
oneof value {
uint32 int_value = 3;
uint64 long_value = 4;
float float_value = 5;
double double_value = 6;
bool boolean_value = 7;
string string_value = 8;
PropertySet propertyset_value = 9;
PropertySetList propertysets_value = 10; // List of Property Values
PropertyValueExtension extension_value = 11;
}
message PropertyValueExtension {
google.protobuf.Any extensions = 1;
}
}
message PropertySet {
repeated string keys = 1; // Names of the properties
repeated PropertyValue values = 2;
google.protobuf.Any extensions = 3;
}
message PropertySetList {
repeated PropertySet propertyset = 1;
google.protobuf.Any extensions = 2;
}
message MetaData {
// Bytes specific metadata
optional bool is_multi_part = 1;
// General metadata
optional string content_type = 2; // Content/Media type
optional uint64 size = 3; // File size, String size, Multi-part size, etc
optional uint64 seq = 4; // Sequence number for multi-part messages
// File metadata
optional string file_name = 5; // File name
optional string file_type = 6; // File type (i.e. xml, json, txt, cpp, etc)
optional string md5 = 7; // md5 of data
// Catchalls and future expansion
optional string description = 8; // Could be anything such as json or xml of custom properties
google.protobuf.Any extensions = 9;
}
message Metric {
optional string name = 1; // Metric name - should only be included on birth
optional uint64 alias = 2; // Metric alias - tied to name on birth and included in all later DATA messages
optional uint64 timestamp = 3; // Timestamp associated with data acquisition time
optional uint32 datatype = 4; // DataType of the metric/tag value
optional bool is_historical = 5; // If this is historical data and should not update real time tag
optional bool is_transient = 6; // Tells consuming clients such as MQTT Engine to not store this as a tag
optional bool is_null = 7; // If this is null - explicitly say so rather than using -1, false, etc for some datatypes.
optional MetaData metadata = 8; // Metadata for the payload
optional PropertySet properties = 9;
oneof value {
uint32 int_value = 10;
uint64 long_value = 11;
float float_value = 12;
double double_value = 13;
bool boolean_value = 14;
string string_value = 15;
bytes bytes_value = 16; // Bytes, File
DataSet dataset_value = 17;
Template template_value = 18;
MetricValueExtension extension_value = 19;
}
message MetricValueExtension {
google.protobuf.Any extensions = 1;
}
}
optional uint64 timestamp = 1; // Timestamp at message sending time
repeated Metric metrics = 2; // Repeated forever - no limit in Google Protobufs
optional uint64 seq = 3; // Sequence number
optional string uuid = 4; // UUID to track message type in terms of schema definitions
optional bytes body = 5; // To optionally bypass the whole definition above
google.protobuf.Any extensions = 6;
}