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72 lines
2.2 KiB
Go
72 lines
2.2 KiB
Go
// Copyright 2020 Kentaro Hibino. All rights reserved.
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// Use of this source code is governed by a MIT license
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// that can be found in the LICENSE file.
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// Package base defines foundational types and constants used in asynq package.
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package base
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import (
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"strings"
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"time"
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"github.com/rs/xid"
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)
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// DefaultQueueName is the queue name used if none are specified by user.
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const DefaultQueueName = "default"
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// Redis keys
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const (
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processedPrefix = "asynq:processed:" // STRING - asynq:processed:<yyyy-mm-dd>
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failurePrefix = "asynq:failure:" // STRING - asynq:failure:<yyyy-mm-dd>
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QueuePrefix = "asynq:queues:" // LIST - asynq:queues:<qname>
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AllQueues = "asynq:queues" // SET
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DefaultQueue = QueuePrefix + DefaultQueueName // LIST
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ScheduledQueue = "asynq:scheduled" // ZSET
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RetryQueue = "asynq:retry" // ZSET
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DeadQueue = "asynq:dead" // ZSET
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InProgressQueue = "asynq:in_progress" // LIST
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)
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// QueueKey returns a redis key string for the given queue name.
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func QueueKey(qname string) string {
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return QueuePrefix + strings.ToLower(qname)
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}
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// ProcessedKey returns a redis key string for procesed count
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// for the given day.
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func ProcessedKey(t time.Time) string {
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return processedPrefix + t.UTC().Format("2006-01-02")
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}
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// FailureKey returns a redis key string for failure count
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// for the given day.
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func FailureKey(t time.Time) string {
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return failurePrefix + t.UTC().Format("2006-01-02")
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}
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// TaskMessage is the internal representation of a task with additional metadata fields.
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// Serialized data of this type gets written to redis.
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type TaskMessage struct {
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// Type indicates the kind of the task to be performed.
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Type string
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// Payload holds data needed to process the task.
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Payload map[string]interface{}
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// ID is a unique identifier for each task.
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ID xid.ID
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// Queue is a name this message should be enqueued to.
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Queue string
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// Retry is the max number of retry for this task.
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Retry int
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// Retried is the number of times we've retried this task so far.
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Retried int
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// ErrorMsg holds the error message from the last failure.
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ErrorMsg string
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}
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