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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,83 @@ | ||
| package mq | ||
|
|
||
| import ( | ||
| "context" | ||
| "fmt" | ||
| "time" | ||
| ) | ||
|
|
||
| type SimpleRetrySender struct { | ||
| send func(ctx context.Context, topic string, data []byte, attributes map[string]string) (string, error) | ||
| Retries []time.Duration | ||
| Log func(context.Context, string) | ||
| Error func(ctx context.Context, data []byte, attrs map[string]string) error | ||
| Goroutines bool | ||
| } | ||
|
|
||
| func NewSimpleSenderByConfig(send func(context.Context, string, []byte, map[string]string) (string, error), goroutines bool, log func(context.Context, string), c *RetryConfig, options... func(context.Context, []byte, map[string]string) error) *SimpleRetrySender { | ||
| var handlerError func(context.Context, []byte, map[string]string) error | ||
| if len(options) > 0 { | ||
| handlerError = options[0] | ||
| } | ||
| if c == nil { | ||
| return &SimpleRetrySender{send: send, Log: log, Goroutines: goroutines, Error: handlerError} | ||
| } else { | ||
| retries := DurationsFromValue(*c, "Retry", 20) | ||
| if len(retries) == 0 { | ||
| return &SimpleRetrySender{send: send, Log: log, Goroutines: goroutines} | ||
| } | ||
| return &SimpleRetrySender{send: send, Log: log, Retries: retries, Goroutines: goroutines, Error: handlerError} | ||
| } | ||
| } | ||
| func NewSimpleSender(send func(context.Context, string, []byte, map[string]string) (string, error), goroutines bool, log func(context.Context, string), retries []time.Duration, options... func(context.Context, []byte, map[string]string) error) *SimpleRetrySender { | ||
| var handlerError func(context.Context, []byte, map[string]string) error | ||
| if len(options) > 0 { | ||
| handlerError = options[0] | ||
| } | ||
| return &SimpleRetrySender{send: send, Log: log, Retries: retries, Goroutines: goroutines, Error: handlerError} | ||
| } | ||
| func (c *SimpleRetrySender) Send(ctx context.Context, topic string, data []byte, attributes map[string]string) (string, error) { | ||
| if !c.Goroutines { | ||
| return SendTo(ctx, c.send, topic, data, attributes, c.Log, c.Error, c.Retries...) | ||
| } else { | ||
| go SendTo(ctx, c.send, topic, data, attributes, c.Log, c.Error, c.Retries...) | ||
| return "", nil | ||
| } | ||
| } | ||
| func SendTo(ctx context.Context, send func(context.Context, string, []byte, map[string]string) (string, error), to string, data []byte, attributes map[string]string, log func(context.Context, string), handlerError func(context.Context, []byte, map[string]string) error, retries ...time.Duration) (string, error) { | ||
| l := len(retries) | ||
| if l == 0 { | ||
| r, err := send(ctx, to, data, attributes) | ||
| if err != nil && handlerError != nil { | ||
| handlerError(ctx, data, attributes) | ||
| } | ||
| return r, err | ||
| } else { | ||
| r, err := SendToWithRetries(ctx, send, to, data, attributes, retries, log) | ||
| if err != nil && handlerError != nil { | ||
| handlerError(ctx, data, attributes) | ||
| } | ||
| return r, err | ||
| } | ||
| } | ||
|
|
||
| func SendToWithRetries(ctx context.Context, send func(context.Context, string, []byte, map[string]string) (string, error), to string, data []byte, attributes map[string]string, retries []time.Duration, log func(context.Context, string)) (string, error) { | ||
| id, er1 := send(ctx, to, data, attributes) | ||
| if er1 == nil { | ||
| return id, er1 | ||
| } | ||
| i := 0 | ||
| err := Retry(ctx, retries, func() (err error) { | ||
| i = i + 1 | ||
| id2, er2 := send(ctx, to, data, attributes) | ||
| id = id2 | ||
| if er2 == nil && log != nil { | ||
| log(ctx, fmt.Sprintf("Send successfully after %d retries %s", i, data)) | ||
| } | ||
| return er2 | ||
| }, log) | ||
| if err != nil && log != nil { | ||
| log(ctx, fmt.Sprintf("Failed to send after %d retries: %s. Error: %s.", len(retries), data, err.Error())) | ||
| } | ||
| return id, err | ||
| } |