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// Copyright 2019 The Gitea Authors. All rights reserved.
// Use of this source code is governed by a MIT-style
// license that can be found in the LICENSE file.
package queue
import (
"encoding/json"
"fmt"
"code.gitea.io/gitea/modules/log"
"code.gitea.io/gitea/modules/setting"
)
func validType(t string) (Type, error) {
if len(t) == 0 {
return PersistableChannelQueueType, nil
}
for _, typ := range RegisteredTypes() {
if t == string(typ) {
return typ, nil
}
}
return PersistableChannelQueueType, fmt.Errorf("Unknown queue type: %s defaulting to %s", t, string(PersistableChannelQueueType))
}
// CreateQueue for name with provided handler and exemplar
func CreateQueue(name string, handle HandlerFunc, exemplar interface{}) Queue {
q := setting.GetQueueSettings(name)
opts := make(map[string]interface{})
opts["Name"] = name
opts["QueueLength"] = q.Length
opts["BatchLength"] = q.BatchLength
opts["DataDir"] = q.DataDir
opts["Addresses"] = q.Addresses
opts["Network"] = q.Network
opts["Password"] = q.Password
opts["DBIndex"] = q.DBIndex
opts["QueueName"] = q.QueueName
opts["Workers"] = q.Workers
opts["MaxWorkers"] = q.MaxWorkers
opts["BlockTimeout"] = q.BlockTimeout
opts["BoostTimeout"] = q.BoostTimeout
opts["BoostWorkers"] = q.BoostWorkers
typ, err := validType(q.Type)
if err != nil {
log.Error("Invalid type %s provided for queue named %s defaulting to %s", q.Type, name, string(typ))
}
cfg, err := json.Marshal(opts)
if err != nil {
log.Error("Unable to marshall generic options: %v Error: %v", opts, err)
log.Error("Unable to create queue for %s", name, err)
return nil
}
returnable, err := NewQueue(typ, handle, cfg, exemplar)
if q.WrapIfNecessary && err != nil {
log.Warn("Unable to create queue for %s: %v", name, err)
log.Warn("Attempting to create wrapped queue")
returnable, err = NewQueue(WrappedQueueType, handle, WrappedQueueConfiguration{
Underlying: Type(q.Type),
Timeout: q.Timeout,
MaxAttempts: q.MaxAttempts,
Config: cfg,
QueueLength: q.Length,
}, exemplar)
}
if err != nil {
log.Error("Unable to create queue for %s: %v", name, err)
return nil
}
return returnable
}
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