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Fix example client to avoid deadlock in Close #123

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merged 2 commits into from
Oct 1, 2022
Merged

Fix example client to avoid deadlock in Close #123

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978cefc
Fix example client to avoid deadlock in Close
Zerpet Sep 30, 2022
280ec66
Fix golangci-lint error
lukebakken Oct 1, 2022
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10 changes: 3 additions & 7 deletions example_client_test.go
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Original file line number Diff line number Diff line change
Expand Up @@ -68,7 +68,7 @@ func Example_consume() {
}

// This channel will receive a notification when a channel closed event
// happens. This must be different than Client.notifyChanClose because the
// happens. This must be different from Client.notifyChanClose because the
// library sends only one notification and Client.notifyChanClose already has
// a receiver in handleReconnect().
// Recommended to make it buffered to avoid deadlocks
Expand Down Expand Up @@ -273,8 +273,6 @@ func (client *Client) changeChannel(channel *amqp.Channel) {
}

// Push will push data onto the queue, and wait for a confirm.
// If no confirms are received until within the resendTimeout,
// it continuously re-sends messages until a confirm is received.
// This will block until the server sends a confirm. Errors are
// only returned if the push action itself fails, see UnsafePush.
func (client *Client) Push(data []byte) error {
Expand All @@ -295,12 +293,10 @@ func (client *Client) Push(data []byte) error {
select {
case confirm := <-client.notifyConfirm:
if confirm.Ack {
client.logger.Println("Push confirmed!")
client.logger.Printf("Push confirmed [%d]!", confirm.DeliveryTag)
return nil
}
case <-time.After(resendDelay):
}
client.logger.Println("Push didn't confirm. Retrying...")
}
}

Expand Down Expand Up @@ -357,7 +353,7 @@ func (client *Client) Consume() (<-chan amqp.Delivery, error) {
)
}

// Close will cleanly shutdown the channel and connection.
// Close will cleanly shut down the channel and connection.
func (client *Client) Close() error {
if !client.isReady {
return errAlreadyClosed
Expand Down