2018-02-02 00:42:03 +01:00
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package types
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import (
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"log"
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)
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type Backend interface {
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Run()
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}
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type Worker struct {
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Actions chan WorkerMessage
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Backend Backend
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Callbacks map[WorkerMessage]func(msg WorkerMessage)
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Messages chan WorkerMessage
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Logger *log.Logger
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}
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func (worker *Worker) PostAction(msg WorkerMessage,
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cb func(msg WorkerMessage)) {
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2018-02-02 00:59:13 +01:00
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if resp := msg.InResponseTo(); resp != nil {
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worker.Logger.Printf("(ui)=> %T:%T\n", msg, resp)
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} else {
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worker.Logger.Printf("(ui)=> %T\n", msg)
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}
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2018-02-02 00:42:03 +01:00
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worker.Actions <- msg
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if cb != nil {
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worker.Callbacks[msg] = cb
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}
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}
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func (worker *Worker) PostMessage(msg WorkerMessage,
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cb func(msg WorkerMessage)) {
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2018-02-02 00:59:13 +01:00
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if resp := msg.InResponseTo(); resp != nil {
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worker.Logger.Printf("->(ui) %T:%T\n", msg, resp)
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} else {
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worker.Logger.Printf("->(ui) %T\n", msg)
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}
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2018-02-02 00:42:03 +01:00
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worker.Messages <- msg
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if cb != nil {
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worker.Callbacks[msg] = cb
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}
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}
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func (worker *Worker) ProcessMessage(msg WorkerMessage) WorkerMessage {
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2018-02-02 00:59:13 +01:00
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if resp := msg.InResponseTo(); resp != nil {
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worker.Logger.Printf("(ui)<= %T:%T\n", msg, resp)
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} else {
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worker.Logger.Printf("(ui)<= %T\n", msg)
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}
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2018-02-02 00:42:03 +01:00
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if cb, ok := worker.Callbacks[msg.InResponseTo()]; ok {
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cb(msg)
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delete(worker.Callbacks, msg)
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}
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return msg
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}
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func (worker *Worker) ProcessAction(msg WorkerMessage) WorkerMessage {
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2018-02-02 00:59:13 +01:00
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if resp := msg.InResponseTo(); resp != nil {
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worker.Logger.Printf("<-(ui) %T:%T\n", msg, resp)
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} else {
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worker.Logger.Printf("<-(ui) %T\n", msg)
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}
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2018-02-02 00:42:03 +01:00
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if cb, ok := worker.Callbacks[msg.InResponseTo()]; ok {
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cb(msg)
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delete(worker.Callbacks, msg)
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}
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return msg
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}
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