c8f7a6b774
Signed-off-by: Andrew Thornton <art27@cantab.net> Co-authored-by: techknowlogick <techknowlogick@gitea.io>
108 lines
3 KiB
Go
108 lines
3 KiB
Go
// Copyright 2019 The Gitea Authors. All rights reserved.
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// Use of this source code is governed by a MIT-style
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// license that can be found in the LICENSE file.
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package queue
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import (
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"encoding/json"
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"fmt"
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"strings"
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"code.gitea.io/gitea/modules/log"
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"code.gitea.io/gitea/modules/setting"
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)
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func validType(t string) (Type, error) {
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if len(t) == 0 {
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return PersistableChannelQueueType, nil
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}
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for _, typ := range RegisteredTypes() {
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if t == string(typ) {
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return typ, nil
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}
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}
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return PersistableChannelQueueType, fmt.Errorf("Unknown queue type: %s defaulting to %s", t, string(PersistableChannelQueueType))
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}
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func getQueueSettings(name string) (setting.QueueSettings, []byte) {
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q := setting.GetQueueSettings(name)
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cfg, err := json.Marshal(q)
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if err != nil {
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log.Error("Unable to marshall generic options: %v Error: %v", q, err)
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log.Error("Unable to create queue for %s", name, err)
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return q, []byte{}
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}
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return q, cfg
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}
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// CreateQueue for name with provided handler and exemplar
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func CreateQueue(name string, handle HandlerFunc, exemplar interface{}) Queue {
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q, cfg := getQueueSettings(name)
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if len(cfg) == 0 {
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return nil
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}
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typ, err := validType(q.Type)
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if err != nil {
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log.Error("Invalid type %s provided for queue named %s defaulting to %s", q.Type, name, string(typ))
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}
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returnable, err := NewQueue(typ, handle, cfg, exemplar)
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if q.WrapIfNecessary && err != nil {
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log.Warn("Unable to create queue for %s: %v", name, err)
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log.Warn("Attempting to create wrapped queue")
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returnable, err = NewQueue(WrappedQueueType, handle, WrappedQueueConfiguration{
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Underlying: typ,
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Timeout: q.Timeout,
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MaxAttempts: q.MaxAttempts,
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Config: cfg,
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QueueLength: q.QueueLength,
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Name: name,
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}, exemplar)
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}
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if err != nil {
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log.Error("Unable to create queue for %s: %v", name, err)
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return nil
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}
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return returnable
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}
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// CreateUniqueQueue for name with provided handler and exemplar
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func CreateUniqueQueue(name string, handle HandlerFunc, exemplar interface{}) UniqueQueue {
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q, cfg := getQueueSettings(name)
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if len(cfg) == 0 {
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return nil
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}
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if len(q.Type) > 0 && q.Type != "dummy" && !strings.HasPrefix(q.Type, "unique-") {
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q.Type = "unique-" + q.Type
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}
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typ, err := validType(q.Type)
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if err != nil || typ == PersistableChannelQueueType {
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typ = PersistableChannelUniqueQueueType
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if err != nil {
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log.Error("Invalid type %s provided for queue named %s defaulting to %s", q.Type, name, string(typ))
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}
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}
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returnable, err := NewQueue(typ, handle, cfg, exemplar)
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if q.WrapIfNecessary && err != nil {
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log.Warn("Unable to create unique queue for %s: %v", name, err)
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log.Warn("Attempting to create wrapped queue")
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returnable, err = NewQueue(WrappedUniqueQueueType, handle, WrappedUniqueQueueConfiguration{
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Underlying: typ,
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Timeout: q.Timeout,
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MaxAttempts: q.MaxAttempts,
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Config: cfg,
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QueueLength: q.QueueLength,
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}, exemplar)
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}
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if err != nil {
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log.Error("Unable to create unique queue for %s: %v", name, err)
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return nil
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}
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return returnable.(UniqueQueue)
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}
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