Example pubsub code cleanup
This commit is contained in:
CORNIERE Rémi
parent
20e02cc9ad
commit
1d1adb0c48
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@ -32,10 +32,10 @@ func main() {
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router.NewRoute().Packet("message").
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HandlerFunc(func(s xmpp.Sender, p stanza.Packet) {
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data, _ := xml.Marshal(p)
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fmt.Println("Received a publication ! => \n" + string(data))
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log.Println("Received a message ! => \n" + string(data))
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})
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client, err := xmpp.NewClient(config, router, func(err error) { fmt.Println(err) })
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client, err := xmpp.NewClient(config, router, func(err error) { log.Println(err) })
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if err != nil {
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log.Fatalf("%+v", err)
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}
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@ -49,11 +49,45 @@ func main() {
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// ==========================
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// Create a node
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ctx, cancel := context.WithTimeout(context.Background(), 30*time.Second)
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createNode(ctx, cancel, client)
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// =============================
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// Configure the node. This can also be done in a single message with the creation
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configureNode(ctx, cancel, client)
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// ====================================
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// Subscribe to this node :
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subToNode(ctx, cancel, client)
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// ==========================
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// Publish to that node
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pubToNode(ctx, cancel, client)
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// =============================
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// Let's purge the node :
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purgeRq, _ := stanza.NewPurgeAllItems(serviceName, nodeName)
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purgeCh, err := client.SendIQ(ctx, purgeRq)
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select {
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case purgeResp := <-purgeCh:
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if purgeResp.Error != nil {
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cancel()
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log.Fatalf("error while purging node : %s", purgeResp.Error.Text)
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}
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log.Println("node successfully purged")
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case <-time.After(1000 * time.Millisecond):
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cancel()
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log.Fatal("No iq response was received in time while purging node")
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}
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cancel()
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}
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func createNode(ctx context.Context, cancel context.CancelFunc, client *xmpp.Client) {
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rqCreate, err := stanza.NewCreateNode(serviceName, nodeName)
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if err != nil {
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log.Fatalf("%+v", err)
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}
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ctx, cancel := context.WithTimeout(context.Background(), 30*time.Second)
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createCh, err := client.SendIQ(ctx, rqCreate)
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if err != nil {
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log.Fatalf("%+v", err)
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@ -67,20 +101,73 @@ func main() {
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if respCr.Error.Reason != "conflict" {
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log.Fatalf("%+v", respCr.Error.Text)
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}
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fmt.Println(respCr.Error.Text)
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log.Println(respCr.Error.Text)
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} else {
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fmt.Print("successfully created channel")
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}
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case <-time.After(100 * time.Millisecond):
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cancel()
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log.Fatal("No iq response was received in time")
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log.Fatal("No iq response was received in time while creating node")
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}
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}
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}
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}
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// ====================================
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// Now let's subscribe to this node :
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rqSubscribe, _ := stanza.NewSubRq(serviceName, stanza.SubInfo{
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func configureNode(ctx context.Context, cancel context.CancelFunc, client *xmpp.Client) {
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// First, ask for a form with the config options
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confRq, _ := stanza.NewConfigureNode(serviceName, nodeName)
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confReqCh, err := client.SendIQ(ctx, confRq)
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if err != nil {
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log.Fatalf("could not send iq : %v", err)
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}
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select {
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case confForm := <-confReqCh:
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// If the request was successful, we now have a form with configuration options to update
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fields, err := confForm.GetFormFields()
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if err != nil {
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log.Fatal("No config fields found !")
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}
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// These are some common fields expected to be present. Change processing to your liking
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if fields["pubsub#max_payload_size"] != nil {
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fields["pubsub#max_payload_size"].ValuesList[0] = "100000"
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}
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if fields["pubsub#notification_type"] != nil {
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fields["pubsub#notification_type"].ValuesList[0] = "headline"
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}
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// Send the modified fields as a form
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submitConf, err := stanza.NewFormSubmissionOwner(serviceName,
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nodeName,
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[]*stanza.Field{
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fields["pubsub#max_payload_size"],
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fields["pubsub#notification_type"],
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})
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c, _ := client.SendIQ(ctx, submitConf)
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select {
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case confResp := <-c:
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if confResp.Error != nil {
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cancel()
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log.Fatalf("node configuration failed : %s", confResp.Error.Text)
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}
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log.Println("node configuration was successful")
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return
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case <-time.After(300 * time.Millisecond):
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cancel()
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log.Fatal("No iq response was received in time while configuring the node")
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}
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case <-time.After(300 * time.Millisecond):
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cancel()
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log.Fatal("No iq response was received in time while asking for the config form")
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}
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}
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func subToNode(ctx context.Context, cancel context.CancelFunc, client *xmpp.Client) {
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rqSubscribe, err := stanza.NewSubRq(serviceName, stanza.SubInfo{
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Node: nodeName,
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Jid: userJID,
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})
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@ -91,15 +178,15 @@ func main() {
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if subRespCh != nil {
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select {
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case <-subRespCh:
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fmt.Println("Subscribed to the service")
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case <-time.After(100 * time.Millisecond):
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log.Println("Subscribed to the service")
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case <-time.After(300 * time.Millisecond):
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cancel()
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log.Fatal("No iq response was received in time")
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log.Fatal("No iq response was received in time while subscribing")
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}
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}
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}
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// ==========================
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// Publish to that node
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func pubToNode(ctx context.Context, cancel context.CancelFunc, client *xmpp.Client) {
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pub, err := stanza.NewPublishItemRq(serviceName, nodeName, "", stanza.Item{
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Publisher: "testuser2",
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Any: &stanza.Node{
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@ -166,59 +253,10 @@ func main() {
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if pubRespCh != nil {
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select {
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case <-pubRespCh:
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fmt.Println("Published item to the service")
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case <-time.After(100 * time.Millisecond):
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cancel()
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log.Fatal("No iq response was received in time")
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}
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}
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// =============================
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// Let's purge the node now :
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purgeRq, _ := stanza.NewPurgeAllItems(serviceName, nodeName)
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client.SendIQ(ctx, purgeRq)
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// =============================
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// Configure the node :
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confRq, _ := stanza.NewConfigureNode(serviceName, nodeName)
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confReqCh, err := client.SendIQ(ctx, confRq)
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select {
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case confForm := <-confReqCh:
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fields, err := confForm.GetFormFields()
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if err != nil {
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log.Fatal("No config fields found !")
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}
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// These are some common fields expected to be present. Change processing to your liking
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if fields["pubsub#max_payload_size"] != nil {
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fields["pubsub#max_payload_size"].ValuesList[0] = "100000"
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}
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if fields["pubsub#notification_type"] != nil {
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fields["pubsub#notification_type"].ValuesList[0] = "headline"
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}
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submitConf, err := stanza.NewFormSubmissionOwner(serviceName,
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nodeName,
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[]*stanza.Field{
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fields["pubsub#max_payload_size"],
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fields["pubsub#notification_type"],
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})
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c, _ := client.SendIQ(ctx, submitConf)
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select {
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case <-c:
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fmt.Println("node configuration was successful")
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log.Println("Published item to the service")
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case <-time.After(300 * time.Millisecond):
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cancel()
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log.Fatal("No iq response was received in time")
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log.Fatal("No iq response was received in time while publishing")
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}
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case <-time.After(300 * time.Millisecond):
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cancel()
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log.Fatal("No iq response was received in time")
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}
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cancel()
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}
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