96 lines
2.4 KiB
Go
96 lines
2.4 KiB
Go
package queue
|
|
|
|
import (
|
|
"context"
|
|
"encoding/base64"
|
|
"fmt"
|
|
"sync"
|
|
"time"
|
|
|
|
"github.com/wormhole-foundation/wormhole-explorer/fly/internal/sqs"
|
|
|
|
"github.com/wormhole-foundation/wormhole/sdk/vaa"
|
|
"go.uber.org/zap"
|
|
)
|
|
|
|
// VAASqsOption represents a VAA queue in SQS option function.
|
|
type VAASqsOption func(*VAASqs)
|
|
|
|
// VAASqs represents a VAA queue in VAASqs.
|
|
type VAASqs struct {
|
|
producer *sqs.Producer
|
|
consumer *sqs.Consumer
|
|
ch chan Message[[]byte]
|
|
chSize int
|
|
wg sync.WaitGroup
|
|
logger *zap.Logger
|
|
}
|
|
|
|
// NewVaaSqs creates a VAA queue in SQS instances.
|
|
func NewVaaSqs(producer *sqs.Producer, consumer *sqs.Consumer, logger *zap.Logger, opts ...VAASqsOption) *VAASqs {
|
|
s := &VAASqs{
|
|
producer: producer,
|
|
consumer: consumer,
|
|
chSize: 10,
|
|
logger: logger.With(zap.String("queueUrl", consumer.GetQueueUrl()))}
|
|
for _, opt := range opts {
|
|
opt(s)
|
|
}
|
|
s.ch = make(chan Message[[]byte], s.chSize)
|
|
return s
|
|
}
|
|
|
|
// WithChannelSize allows to specify an channel size when setting a value.
|
|
func WithChannelSize(size int) VAASqsOption {
|
|
return func(d *VAASqs) {
|
|
d.chSize = size
|
|
}
|
|
}
|
|
|
|
// Publish sends the message to a SQS queue.
|
|
func (q *VAASqs) Publish(ctx context.Context, v *vaa.VAA, data []byte) error {
|
|
body := base64.StdEncoding.EncodeToString(data)
|
|
groupID := fmt.Sprintf("%d/%s", v.EmitterChain, v.EmitterAddress)
|
|
return q.producer.SendMessage(ctx, groupID, v.MessageID(), body)
|
|
}
|
|
|
|
// Consume returns the channel with the received messages from SQS queue.
|
|
func (q *VAASqs) Consume(ctx context.Context) <-chan Message[[]byte] {
|
|
go func() {
|
|
for {
|
|
messages, err := q.consumer.GetMessages(ctx)
|
|
if err != nil {
|
|
q.logger.Error("Error getting messages from SQS", zap.Error(err))
|
|
continue
|
|
}
|
|
expiredAt := time.Now().Add(q.consumer.GetVisibilityTimeout())
|
|
for _, msg := range messages {
|
|
body, err := base64.StdEncoding.DecodeString(*msg.Body)
|
|
if err != nil {
|
|
q.logger.Error("Error decoding message from SQS", zap.Error(err))
|
|
continue
|
|
}
|
|
|
|
//TODO check if callback is better than channel
|
|
q.wg.Add(1)
|
|
q.ch <- &sqsConsumerMessage[[]byte]{
|
|
id: msg.ReceiptHandle,
|
|
data: body,
|
|
wg: &q.wg,
|
|
logger: q.logger,
|
|
consumer: q.consumer,
|
|
expiredAt: expiredAt,
|
|
ctx: ctx,
|
|
}
|
|
}
|
|
q.wg.Wait()
|
|
}
|
|
}()
|
|
return q.ch
|
|
}
|
|
|
|
// Close closes all consumer resources.
|
|
func (q *VAASqs) Close() {
|
|
close(q.ch)
|
|
}
|