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Merge branch 'neterror-master'

This commit is contained in:
tidwall 2019-10-08 11:10:37 -07:00
parent 87185319b2 3d9915e055
commit 6b2025ab0c
1 changed files with 12 additions and 1 deletions
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13
internal/endpoint/mqtt.go
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@ -3,12 +3,14 @@ package endpoint
import (
"crypto/tls"
"crypto/x509"
"math/rand"
"fmt"
"io/ioutil"
"sync"
"time"
paho "github.com/eclipse/paho.mqtt.golang"
"github.com/tidwall/tile38/internal/log"
)
const (
@ -83,7 +85,16 @@ func (conn *MQTTConn) Send(msg string) error {
}
ops = ops.SetTLSConfig(&config)
}
ops = ops.SetClientID("tile38").AddBroker(uri)
//generate UUID for the client-id.
b := make([]byte, 16)
_, err := rand.Read(b)
if err != nil {
log.Debugf("Failed to generate guid for the mqtt client. The endpoint will not work")
return err;
}
uuid := fmt.Sprintf("tile38-%x-%x-%x-%x-%x", b[0:4], b[4:6], b[6:8], b[8:10], b[10:])
ops = ops.SetClientID(uuid).AddBroker(uri)
c := paho.NewClient(ops)
if token := c.Connect(); token.Wait() && token.Error() != nil {