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56 lines
979 B
Go
56 lines
979 B
Go
2 years ago
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package stario
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import (
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"errors"
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"time"
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)
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var ERR_TIMEOUT = errors.New("TIME OUT")
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func WaitUntilTimeout(tm time.Duration, fn func(chan struct{}) error) error {
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var err error
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finished := make(chan struct{})
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imout := make(chan struct{})
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go func() {
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err = fn(imout)
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finished <- struct{}{}
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}()
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select {
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case <-finished:
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return err
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case <-time.After(tm):
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close(imout)
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return ERR_TIMEOUT
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}
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}
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func WaitUntilFinished(fn func() error) <-chan error {
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finished := make(chan error)
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go func() {
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err := fn()
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finished <- err
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}()
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return finished
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}
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func WaitUntilTimeoutFinished(tm time.Duration, fn func(chan struct{}) error) <-chan error {
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var err error
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finished := make(chan struct{})
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result := make(chan error)
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imout := make(chan struct{})
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go func() {
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err = fn(imout)
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finished <- struct{}{}
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}()
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go func() {
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select {
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case <-finished:
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result <- err
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case <-time.After(tm):
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close(imout)
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result <- ERR_TIMEOUT
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}
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}()
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return result
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}
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