diff --git a/consumer.go b/consumer.go index 6f125c7..5c68bf6 100644 --- a/consumer.go +++ b/consumer.go @@ -28,6 +28,15 @@ func runConsumer(ctx context.Context, client *Client, msgCh chan []byte) { limiter := rate.NewLimiter(rate.Every(client.opts.consumerRateLimit), client.opts.consumerBurstSize) + reconnectSignal := make(chan struct{}, 1) + reconnectTrigger := func() { + select { + case reconnectSignal <- struct{}{}: + default: + } + } + + // initial consume deliveries, err := client.consume() if err != nil { client.logger.Printf("Could not start consuming: %s\n", err) @@ -37,18 +46,7 @@ func runConsumer(ctx context.Context, client *Client, msgCh chan []byte) { chClosedCh := make(chan *amqp.Error, 1) client.Channel.NotifyClose(chClosedCh) - reconnectTimer := time.NewTimer(0) - defer reconnectTimer.Stop() - <-reconnectTimer.C - for { - if !reconnectTimer.Stop() { - select { - case <-reconnectTimer.C: - default: - } - } - select { case <-runCtx.Done(): @@ -58,25 +56,33 @@ func runConsumer(ctx context.Context, client *Client, msgCh chan []byte) { } return - case amqErr := <-chClosedCh: - client.logger.Printf("AMQP Channel closed due to: %s Reconnecting...\n", amqErr) - reconnectTimer.Reset(time.Second) + case <-reconnectSignal: + select { + case <-runCtx.Done(): + return + case <-time.After(client.opts.reconnectDelay): + } - case <-reconnectTimer.C: deliveries, err = client.consume() if err != nil { - client.logger.Println("Error trying to consume, will try again. Retry in 5 seconds.") - reconnectTimer.Reset(time.Second * 5) + client.logger.Printf("Consume reconnect failed, retry: %s\n", err) + reconnectTrigger() continue } + // re-create closing chan chClosedCh = make(chan *amqp.Error, 1) client.Channel.NotifyClose(chClosedCh) + client.logger.Println("Consume reconnect success") + + case amqErr := <-chClosedCh: + client.logger.Printf("AMQP Channel closed due to: %s Reconnecting...\n", amqErr) + reconnectTrigger() case delivery, ok := <-deliveries: if !ok { client.logger.Println("Deliveries channel closed unexpectedly") - reconnectTimer.Reset(time.Second) + reconnectTrigger() continue } diff --git a/handler.go b/handler.go index 68f5815..6a8dd3f 100644 --- a/handler.go +++ b/handler.go @@ -13,7 +13,7 @@ import ( type Client struct { mutex *sync.Mutex - queueName string + queueOptions *QueueOpts logger *log.Logger connection *amqp.Connection Channel *amqp.Channel @@ -36,7 +36,16 @@ type options struct { logger *log.Logger } -func NewClient(address Address, queueName string, opts ...Option) (*Client, error) { +type QueueOpts struct { + QueueName string + Durable bool + AutoDelete bool + Exclusive bool + NoWait bool + Args amqp.Table +} + +func NewClient(address Address, queueOpts QueueOpts, opts ...Option) (*Client, error) { l := log.New(os.Stdout, "", log.LstdFlags) addr, err := address.makeAddr() @@ -44,16 +53,16 @@ func NewClient(address Address, queueName string, opts ...Option) (*Client, erro return nil, errors.Join(errBadAddr, err) } - if queueName == "" { + if queueOpts.QueueName == "" { l.Fatal(errNoQueue) } client := Client{ - mutex: &sync.Mutex{}, - queueName: queueName, - done: make(chan bool), - connected: make(chan struct{}), - logger: l, + mutex: &sync.Mutex{}, + queueOptions: &queueOpts, + done: make(chan bool), + connected: make(chan struct{}), + logger: l, } o := options{ diff --git a/publisher.go b/publisher.go index ccb415f..c938eb5 100644 --- a/publisher.go +++ b/publisher.go @@ -3,7 +3,6 @@ package rabbit import ( "context" "errors" - "log" "time" ) diff --git a/service.go b/service.go index 6e3355d..c3f9ec8 100644 --- a/service.go +++ b/service.go @@ -78,7 +78,16 @@ func (c *Client) init(conn *amqp.Connection) error { return err } - _, err = ch.QueueDeclare(c.queueName, false, false, false, false, nil) + //_, err = ch.QueueDeclare(c.queueName, false, false, false, false, nil) + _, err = ch.QueueDeclare( + c.queueOptions.QueueName, + c.queueOptions.Durable, + c.queueOptions.AutoDelete, + c.queueOptions.Exclusive, + c.queueOptions.NoWait, + c.queueOptions.Args, + ) + if err != nil { return err } @@ -120,7 +129,7 @@ func (c *Client) unsafePush(data []byte) error { return c.Channel.PublishWithContext( ctx, "", - c.queueName, + c.queueOptions.QueueName, false, false, amqp.Publishing{ @@ -147,7 +156,7 @@ func (c *Client) consume() (<-chan amqp.Delivery, error) { } return c.Channel.Consume( - c.queueName, + c.queueOptions.QueueName, "", false, false,