Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Jump to bottom

The lock key for downstream messsages base on message content #577

Merged
merged 2 commits into from
Feb 24, 2021
Merged

The lock key for downstream messsages base on message content #577

Changes from all commits
Commits
Show all changes
2 commits
Select commit Hold shift + click to select a range
5a0d3b3
bugfix: use entire message content as a key for a lock in redis for d…
lexfrei88 Feb 21, 2021
15d99f4
bugfix: use entire message content as a key for a lock in redis for d…
lexfrei88 Feb 21, 2021
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
3 changes: 2 additions & 1 deletion internal/integration/mqtt/mqtt.go
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -5,6 +5,7 @@ import (
"context"
"crypto/tls"
"crypto/x509"
"crypto/sha256"
"encoding/base64"
"encoding/json"
"fmt"
Expand Down Expand Up @@ -407,7 +408,7 @@ func (i *Integration) txPayloadHandler(mqttc mqtt.Client, msg mqtt.Message) {
// Since with MQTT all subscribers will receive the downlink messages sent
// by the application, the first instance receiving the message must lock it,
// so that other instances can ignore the message.
key := fmt.Sprintf("lora:as:downlink:lock:%d:%s", pl.ApplicationID, pl.DevEUI)
key := fmt.Sprintf("lora:as:downlink:lock:%d:%s:%x", pl.ApplicationID, pl.DevEUI, sha256.Sum256(msg.Payload()))
set, err := storage.RedisClient().SetNX(key, "lock", downlinkLockTTL).Result()
if err != nil {
log.WithError(err).Error("integration/mqtt: acquire lock error")
Expand Down