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timeout.go
44 lines (41 loc) · 799 Bytes
/
timeout.go
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package timeout
import (
"context"
"errors"
"fmt"
"net/http"
"time"
"github.com/sohaha/zlsgo/znet"
)
func New(waitingTime time.Duration, custom ...znet.HandlerFunc) znet.HandlerFunc {
return func(c *znet.Context) {
ctx, cancel := context.WithTimeout(c.Request.Context(), waitingTime)
defer cancel()
finish := make(chan error, 1)
go func(c *znet.Context) {
defer func() {
if err := recover(); err != nil {
errMsg, ok := err.(error)
if !ok {
errMsg = errors.New(fmt.Sprint(err))
}
finish <- errMsg
} else {
finish <- nil
}
}()
c.Next()
}(c)
select {
case err := <-finish:
if err != nil {
panic(err)
}
case <-ctx.Done():
c.Abort(http.StatusGatewayTimeout)
if len(custom) > 0 {
custom[0](c)
}
}
}
}