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Code Issues Releases Wiki Activity

Fixes #61 - monitor.history=0 panic

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This commit is contained in:
James Hillyerd
2017-12-14 18:51:35 -08:00
parent a9b174bcb6
commit 7908e41212
3 changed files with 21 additions and 7 deletions
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16
msghub/hub.go
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@@ -63,13 +63,15 @@ func New(ctx context.Context, historyLen int) *Hub {
// history buffer and then relayed to all registered listeners.
func (hub *Hub) Dispatch(msg Message) {
hub.opChan <- func(h *Hub) {
// Add to history buffer
h.history.Value = msg
h.history = h.history.Next()
// Deliver message to all listeners, removing listeners if they return an error
for l := range h.listeners {
if err := l.Receive(msg); err != nil {
delete(h.listeners, l)
if h.history != nil {
// Add to history buffer
h.history.Value = msg
h.history = h.history.Next()
// Deliver message to all listeners, removing listeners if they return an error
for l := range h.listeners {
if err := l.Receive(msg); err != nil {
delete(h.listeners, l)
}
}
}
}