зеркало из https://github.com/golang/build.git
66 строки
1.4 KiB
Go
66 строки
1.4 KiB
Go
// Copyright 2017 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package main
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import (
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"fmt"
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"net/http"
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"os"
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"strings"
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"sync"
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"time"
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)
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func newLogger(t http.RoundTripper) http.RoundTripper {
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return &loggingTransport{transport: t}
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}
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type loggingTransport struct {
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transport http.RoundTripper
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mu sync.Mutex
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active []byte
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}
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func (t *loggingTransport) RoundTrip(r *http.Request) (*http.Response, error) {
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t.mu.Lock()
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index := len(t.active)
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start := time.Now()
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fmt.Fprintf(os.Stderr, "HTTP: %s %s+ %s\n", timeFormat1(start), t.active, r.URL)
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t.active = append(t.active, '|')
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t.mu.Unlock()
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resp, err := t.transport.RoundTrip(r)
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last := r.URL.Path
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if i := strings.LastIndex(last, "/"); i >= 0 {
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last = last[i:]
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}
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display := last
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if resp != nil {
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display += " " + resp.Status
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}
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if err != nil {
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display += " error: " + err.Error()
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}
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now := time.Now()
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t.mu.Lock()
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t.active[index] = '-'
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fmt.Fprintf(os.Stderr, "HTTP: %s %s %s (%.3fs)\n", timeFormat1(now), t.active, display, now.Sub(start).Seconds())
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t.active[index] = ' '
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n := len(t.active)
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for n%4 == 0 && n >= 4 && t.active[n-1] == ' ' && t.active[n-2] == ' ' && t.active[n-3] == ' ' && t.active[n-4] == ' ' {
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t.active = t.active[:n-4]
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n -= 4
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}
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t.mu.Unlock()
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return resp, err
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}
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func timeFormat1(t time.Time) string {
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return t.Format("15:04:05.000")
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}
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