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client.go
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client.go
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package service
import (
"context"
"fmt"
coapTcpClient "github.com/plgd-dev/go-coap/v3/tcp/client"
"github.com/plgd-dev/hub/v2/pkg/log"
)
// Client a setup of connection
type Client struct {
server *Service
coapConn *coapTcpClient.Conn
handler ServiceHandler
deviceID string
}
// newClient creates and initializes client
func newClient(server *Service, client *coapTcpClient.Conn, handler ServiceHandler) *Client {
return &Client{
server: server,
coapConn: client,
handler: handler,
}
}
func (c *Client) GetCoapConnection() *coapTcpClient.Conn {
return c.coapConn
}
func (c *Client) GetServiceHandler() ServiceHandler {
return c.handler
}
func (c *Client) GetDeviceID() string {
return c.deviceID
}
func (c *Client) SetDeviceID(deviceID string) {
c.deviceID = deviceID
}
func (c *Client) RemoteAddrString() string {
return c.coapConn.RemoteAddr().String()
}
func (c *Client) Context() context.Context {
return c.coapConn.Context()
}
// Close closes coap connection
func (c *Client) Close() error {
if err := c.coapConn.Close(); err != nil {
return fmt.Errorf("cannot close client: %w", err)
}
return nil
}
// OnClose is invoked when the coap connection was closed.
func (c *Client) OnClose() {
log.Debugf("close client %v", c.coapConn.RemoteAddr())
}