/
handler.go
48 lines (41 loc) · 1.32 KB
/
handler.go
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package sqs
import (
"time"
"github.com/aws/aws-sdk-go/aws"
"github.com/aws/aws-sdk-go/service/sqs"
"github.com/aws/aws-sdk-go/service/sqs/sqsiface"
"github.com/sirupsen/logrus"
)
// Poll messages from SQS and send them into the passed channel
func Poll(channel chan<- *sqs.Message, queueURL string, connection sqsiface.SQSAPI, logger *logrus.Logger) {
for {
processMessage(channel, queueURL, connection, logger)
}
}
func processMessage(channel chan<- *sqs.Message, queueURL string, connection sqsiface.SQSAPI, logger *logrus.Logger) {
result, err := connection.ReceiveMessage(&sqs.ReceiveMessageInput{
AttributeNames: []*string{
aws.String(sqs.MessageSystemAttributeNameSentTimestamp),
},
MessageAttributeNames: []*string{
aws.String(sqs.QueueAttributeNameAll),
},
QueueUrl: aws.String(queueURL),
VisibilityTimeout: aws.Int64(20),
WaitTimeSeconds: aws.Int64(10),
})
if err != nil {
logger.Error("Fail to receive message: ", err)
} else if len(result.Messages) > 0 {
logger.Info("Message received: ", result.Messages[0].Body)
channel <- result.Messages[0]
_, err := connection.DeleteMessage(&sqs.DeleteMessageInput{
QueueUrl: aws.String(queueURL),
ReceiptHandle: result.Messages[0].ReceiptHandle,
})
if err != nil {
logger.Warn(err.Error())
}
}
time.Sleep(time.Second)
}