Mainflux.mainflux/ws/client.go

41 lines
885 B
Go

// Copyright (c) Mainflux
// SPDX-License-Identifier: Apache-2.0
package ws
import (
"github.com/gorilla/websocket"
"github.com/mainflux/mainflux/pkg/messaging"
)
// Client handles messaging and websocket connection.
type Client struct {
conn *websocket.Conn
id string
}
// NewClient returns a new websocket client.
func NewClient(c *websocket.Conn) *Client {
return &Client{
conn: c,
id: "",
}
}
// Cancel handles the websocket connection after unsubscribing.
func (c *Client) Cancel() error {
if c.conn == nil {
return nil
}
return c.conn.Close()
}
// Handle handles the sending and receiving of messages via the broker.
func (c *Client) Handle(msg *messaging.Message) error {
// To prevent publisher from receiving its own published message
if msg.GetPublisher() == c.id {
return nil
}
return c.conn.WriteMessage(websocket.TextMessage, msg.Payload)
}