Mainflux.mainflux/api/asyncapi/mqtt.yml

93 lines
2.5 KiB
YAML

asyncapi: '2.2.0'
info:
title: MQTT Adapter
license:
name: Apache 2.0
url: https://www.apache.org/licenses/LICENSE-2.0
version: '1.0.0'
description: |
MQTT adapter provides an MQTT API for sending messages through the platform. MQTT adapter uses [mProxy](https://github.com/mainflux/mproxy) for proxying traffic between client and MQTT broker.
Additionally, the MQTT adapter and the NATS message broker are replicating the traffic between brokers.
defaultContentType: application/json
servers:
dev:
url: localhost:{port}
protocol: mqtt
description: Test broker
variables:
port:
description: Secure connection (TLS) is available through port 8883.
default: '1883'
enum:
- '1883'
- '8883'
username:
description: Thing ID connected to the channel defined in the MQTT topic.
password:
description: Thing Key corresponding to the Thing ID.
channels:
channels/{channelId}/messages/{subtopic}:
parameters:
channelId:
$ref: '#/components/parameters/channelId'
subtopic:
$ref: '#/components/parameters/subtopic'
publish:
traits:
- $ref: '#/components/operationTraits/mqtt'
message:
$ref: '#/components/messages/jsonMsg'
subscribe:
traits:
- $ref: '#/components/operationTraits/mqtt'
message:
$ref: '#/components/messages/jsonMsg'
components:
messages:
jsonMsg:
title: JSON Message
summary: Arbitrary JSON array or object.
contentType: application/json
payload:
$ref: "#/components/schemas/jsonMsg"
schemas:
jsonMsg:
type: object
description: Arbitrary JSON object or array. SenML format is recommended.
example: |
### SenML
```json
[{"bn":"some-base-name:","bt":1641646520, "bu":"A","bver":5, "n":"voltage","u":"V","v":120.1}, {"n":"current","t":-5,"v":1.2}, {"n":"current","t":-4,"v":1.3}]
```
### JSON
```json
{"field_1":"val_1", "t": 1641646525}
```
### JSON Array
```json
[{"field_1":"val_1", "t": 1641646520},{"field_2":"val_2", "t": 1641646522}]
```
parameters:
channelId:
description: Channel ID connected to the Thing ID defined in the username.
schema:
type: string
format: uuid
subtopic:
description: Arbitrary message subtopic.
schema:
type: string
default: ''
operationTraits:
mqtt:
bindings:
mqtt:
qos: 2