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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"
- "strings"
-
- "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))
- }
-
- func getQueueSettings(name string) (setting.QueueSettings, []byte) {
- q := setting.GetQueueSettings(name)
-
- cfg, err := json.Marshal(q)
- if err != nil {
- log.Error("Unable to marshall generic options: %v Error: %v", q, err)
- log.Error("Unable to create queue for %s", name, err)
- return q, []byte{}
- }
- return q, cfg
- }
-
- // CreateQueue for name with provided handler and exemplar
- func CreateQueue(name string, handle HandlerFunc, exemplar interface{}) Queue {
- q, cfg := getQueueSettings(name)
- if len(cfg) == 0 {
- return nil
- }
-
- 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))
- }
-
- 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: typ,
- Timeout: q.Timeout,
- MaxAttempts: q.MaxAttempts,
- Config: cfg,
- QueueLength: q.QueueLength,
- Name: name,
- }, exemplar)
- }
- if err != nil {
- log.Error("Unable to create queue for %s: %v", name, err)
- return nil
- }
- return returnable
- }
-
- // CreateUniqueQueue for name with provided handler and exemplar
- func CreateUniqueQueue(name string, handle HandlerFunc, exemplar interface{}) UniqueQueue {
- q, cfg := getQueueSettings(name)
- if len(cfg) == 0 {
- return nil
- }
-
- if len(q.Type) > 0 && q.Type != "dummy" && !strings.HasPrefix(q.Type, "unique-") {
- q.Type = "unique-" + q.Type
- }
-
- typ, err := validType(q.Type)
- if err != nil || typ == PersistableChannelQueueType {
- typ = PersistableChannelUniqueQueueType
- if err != nil {
- log.Error("Invalid type %s provided for queue named %s defaulting to %s", q.Type, name, string(typ))
- }
- }
-
- returnable, err := NewQueue(typ, handle, cfg, exemplar)
- if q.WrapIfNecessary && err != nil {
- log.Warn("Unable to create unique queue for %s: %v", name, err)
- log.Warn("Attempting to create wrapped queue")
- returnable, err = NewQueue(WrappedUniqueQueueType, handle, WrappedUniqueQueueConfiguration{
- Underlying: typ,
- Timeout: q.Timeout,
- MaxAttempts: q.MaxAttempts,
- Config: cfg,
- QueueLength: q.QueueLength,
- }, exemplar)
- }
- if err != nil {
- log.Error("Unable to create unique queue for %s: %v", name, err)
- return nil
- }
- return returnable.(UniqueQueue)
- }
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