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30 lines
560 B
Go
30 lines
560 B
Go
// Copyright 2018 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 http_test
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import (
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"fmt"
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"log"
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"net/http"
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"sync"
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)
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type countHandler struct {
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mu sync.Mutex // guards n
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n int
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}
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func (h *countHandler) ServeHTTP(w http.ResponseWriter, r *http.Request) {
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h.mu.Lock()
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defer h.mu.Unlock()
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h.n++
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fmt.Fprintf(w, "count is %d\n", h.n)
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}
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func ExampleHandle() {
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http.Handle("/count", new(countHandler))
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log.Fatal(http.ListenAndServe(":8080", nil))
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}
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