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Try to resume connection and resend a stanza on failure

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This commit is contained in:
bodqhrohro 2020-01-10 15:02:25 +02:00
parent 23f2a85301
commit fd1fd560bc
3 changed files with 39 additions and 9 deletions
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4
xmpp/component.go
View file

@ -76,9 +76,9 @@ func heartbeat(component *xmpp.Component) {
for {
time.Sleep(60e9)
for key, presence := range gateway.Queue {
err = component.Send(presence)
err = gateway.ResumableSend(component, presence)
if err != nil {
gateway.LogBadPresence(err, presence)
gateway.LogBadPresence(presence)
} else {
delete(gateway.Queue, key)
}

28
xmpp/gateway/gateway.go
View file

@ -2,6 +2,7 @@ package gateway
import (
"encoding/xml"
"strings"
"dev.narayana.im/narayana/telegabber/xmpp/extensions"
@ -55,12 +56,12 @@ func SendMessage(to string, from string, body string, component *xmpp.Component)
}
}
_ = component.Send(message)
_ = ResumableSend(component, message)
}
// LogBadPresence verbosely logs a presence
func LogBadPresence(err error, presence *stanza.Presence) {
log.Errorf("Couldn't send presence: %v: %#v", err, presence)
func LogBadPresence(presence *stanza.Presence) {
log.Errorf("Couldn't send presence: %#v", presence)
}
// SPFrom is a Telegram user id
@ -167,9 +168,9 @@ func SendPresence(component *xmpp.Component, to string, args ...args.V) error {
immed := SPImmed.Get(args)
if immed {
err := component.Send(presence)
err := ResumableSend(component, presence)
if err != nil {
LogBadPresence(err, &presence)
LogBadPresence(&presence)
return err
}
} else {
@ -178,3 +179,20 @@ func SendPresence(component *xmpp.Component, to string, args ...args.V) error {
return nil
}
// ResumableSend tries to resume the connection once and sends the packet again
func ResumableSend(component *xmpp.Component, packet stanza.Packet) error {
err := component.Send(packet)
if err != nil && strings.HasPrefix(err.Error(), "cannot send packet") {
log.Warn("Packet send failed, trying to resume the connection...")
err = component.Connect()
if err == nil {
err = component.Send(packet)
}
}
if err != nil {
log.Error(err.Error())
}
return err
}

16
xmpp/handlers.go
View file

@ -126,7 +126,13 @@ func handleSubscription(s xmpp.Sender, p stanza.Presence) {
Type: "subscribed",
}}
_ = s.Send(reply)
component, ok := s.(*xmpp.Component)
if !ok {
log.Error("Not a component")
return
}
_ = gateway.ResumableSend(component, reply)
}
func handlePresence(s xmpp.Sender, p stanza.Presence) {
@ -262,5 +268,11 @@ func handleGetVcardTempIq(s xmpp.Sender, iq stanza.IQ) {
}
log.Debugf("%#v", answer)
_ = s.Send(answer)
component, ok := s.(*xmpp.Component)
if !ok {
log.Error("Not a component")
return
}
_ = gateway.ResumableSend(component, answer)
}