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utils.go
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/
utils.go
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package sharq
import (
"strconv"
"sync"
"time"
"github.com/vmihailenco/msgpack"
)
func isValidInterval(interval int) bool {
if interval <= 0 {
return false
}
return true
}
func isValidIdentifier(identifier string) bool {
// Check for length
if len(identifier) > 100 || len(identifier) < 1 {
return false
}
// Check for content
for _, c := range identifier {
if (c < '0' || c > '9') && (c < 'a' || c > 'z') && (c < 'A' || c > 'Z') && (c != '_') && (c != '-') {
return false
}
}
return true
}
func isValidRequeueLimit(requeue_limit int) bool {
if requeue_limit <= -2 {
return false
}
return true
}
func serializePayload(payload interface{}) ([]byte, error) {
return msgpack.Marshal(payload)
}
func deserializePayload(payload string) (interface{}, error) {
var obj interface{}
err := msgpack.Unmarshal([]byte(payload), &obj)
return obj, err
}
func generateEpoch() string {
return strconv.FormatInt(time.Now().UnixNano()/int64(time.Millisecond), 10)
}
// Common bulk enqueue method which can be called from all client implementations
func bulkEnqueue(c Sharq, e []EnqueueRequest) []EnqueueResponse {
num_requests := len(e)
var wg sync.WaitGroup
wg.Add(num_requests)
// As opposed to previous pattern this concurrency pattern allows
// request and response arrays to be in same order
tempR := make([]EnqueueResponse, num_requests)
for i := 0; i < num_requests; i++ {
go func(request_index int) {
defer wg.Done()
ber := e[request_index]
er := &EnqueueRequest{
JobID: ber.JobID,
Interval: ber.Interval,
Payload: ber.Payload,
QueueType: ber.QueueType,
QueueID: ber.QueueID,
}
tempR[request_index] = c.Enqueue(er)
}(i)
}
wg.Wait()
return tempR
}