35 lines
550 B
Go
35 lines
550 B
Go
package httpserver
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import (
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"bufio"
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"fmt"
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"net/http"
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"os"
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"time"
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)
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type handler struct{}
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func (h handler) ServeHTTP(w http.ResponseWriter, r *http.Request) {
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ctx := r.Context()
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reqTime := ctx.Value(ReqTimeContextKey{}).(time.Time)
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defer func() {
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fmt.Printf("handler finished in %s", time.Since(reqTime))
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}()
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fd, _ := os.Open("core.c")
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defer fd.Close()
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scanner := bufio.NewScanner(fd)
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for scanner.Scan() {
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select {
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case <-ctx.Done():
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fmt.Println(ctx.Err())
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return
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default:
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_, _ = w.Write(scanner.Bytes())
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}
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}
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}
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