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ack.go
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/
ack.go
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package rpc
import (
"go.uber.org/zap"
)
// NotifyAcks notifies engine about received acknowledgements.
func (e *Engine) NotifyAcks(ids []int64) {
e.mux.Lock()
defer e.mux.Unlock()
for _, id := range ids {
ch, ok := e.ack[id]
if !ok {
e.log.Debug("Acknowledge callback not set", zap.Int64("msg_id", id))
continue
}
close(ch)
delete(e.ack, id)
}
}
func (e *Engine) waitAck(id int64) chan struct{} {
e.mux.Lock()
defer e.mux.Unlock()
log := e.log.With(zap.Int64("ack_id", id))
if c, found := e.ack[id]; found {
log.Warn("Ack already registered")
return c
}
log.Debug("Waiting for acknowledge")
c := make(chan struct{})
e.ack[id] = c
return c
}
func (e *Engine) removeAck(id int64) {
e.mux.Lock()
defer e.mux.Unlock()
delete(e.ack, id)
}