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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,18 @@ | ||
| //go:build !1.13 | ||
| // +build !1.13 | ||
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| package client | ||
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| import ( | ||
| "net/http" | ||
| "time" | ||
| ) | ||
|
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| var DefaultTransport http.RoundTripper = &http.Transport{ | ||
| Proxy: http.ProxyFromEnvironment, | ||
| DialContext: defaultDialFunc, | ||
| MaxIdleConns: 100, | ||
| IdleConnTimeout: 90 * time.Second, | ||
| TLSHandshakeTimeout: 10 * time.Second, | ||
| ExpectContinueTimeout: 1 * time.Second, | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,19 @@ | ||
| //go:build 1.13 | ||
| // +build 1.13 | ||
|
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| package client | ||
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| import ( | ||
| "net/http" | ||
| "time" | ||
| ) | ||
|
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| var DefaultTransport http.RoundTripper = &http.Transport{ | ||
| Proxy: http.ProxyFromEnvironment, | ||
| DialContext: defaultDialFunc, | ||
| ForceAttemptHTTP2: true, | ||
| MaxIdleConns: 100, | ||
| IdleConnTimeout: 90 * time.Second, | ||
| TLSHandshakeTimeout: 10 * time.Second, | ||
| ExpectContinueTimeout: 1 * time.Second, | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,58 @@ | ||
| package client | ||
|
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| import ( | ||
| "context" | ||
| "net" | ||
| "time" | ||
| ) | ||
|
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| type ( | ||
| resolverContextKey struct{} | ||
| dialTimeoutContextKey struct{} | ||
| keepAliveIntervalContextKey struct{} | ||
| resolverContextValue struct { | ||
| domain string | ||
| ips []net.IP | ||
| } | ||
| ) | ||
|
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| func defaultDialFunc(ctx context.Context, network string, address string) (net.Conn, error) { | ||
| host, port, err := net.SplitHostPort(address) | ||
| if err != nil { | ||
| host = address | ||
| } | ||
|
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| dialTimeout, ok := ctx.Value(dialTimeoutContextKey{}).(time.Duration) | ||
| if !ok { | ||
| dialTimeout = 30 * time.Second | ||
| } | ||
| keepAliveInterval, ok := ctx.Value(keepAliveIntervalContextKey{}).(time.Duration) | ||
| if !ok { | ||
| keepAliveInterval = 15 * time.Second | ||
| } | ||
| if resolved, ok := ctx.Value(resolverContextKey{}).(resolverContextValue); ok && len(resolved.ips) > 0 { | ||
| dialer := net.Dialer{Timeout: dialTimeout / time.Duration(len(resolved.ips)), KeepAlive: keepAliveInterval} | ||
| for _, ip := range resolved.ips { | ||
| newAddr := ip.String() | ||
| if port != "" { | ||
| newAddr = net.JoinHostPort(newAddr, port) | ||
| } | ||
| if conn, err := dialer.DialContext(ctx, network, newAddr); err == nil { | ||
| return conn, nil | ||
| } | ||
| } | ||
| } | ||
| return (&net.Dialer{Timeout: dialTimeout, KeepAlive: keepAliveInterval}).DialContext(ctx, network, address) | ||
| } | ||
|
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| func WithResolvedIPs(ctx context.Context, domain string, ips []net.IP) context.Context { | ||
| return context.WithValue(ctx, resolverContextKey{}, resolverContextValue{domain: domain, ips: ips}) | ||
| } | ||
|
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| func WithDialTimeout(ctx context.Context, timeout time.Duration) context.Context { | ||
| return context.WithValue(ctx, dialTimeoutContextKey{}, timeout) | ||
| } | ||
|
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| func WithKeepAliveInterval(ctx context.Context, interval time.Duration) context.Context { | ||
| return context.WithValue(ctx, keepAliveIntervalContextKey{}, interval) | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,37 @@ | ||
| //go:build unit | ||
| // +build unit | ||
|
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| package client | ||
|
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| import ( | ||
| "context" | ||
| "fmt" | ||
| "net" | ||
| "net/http" | ||
| "net/http/httptest" | ||
| "testing" | ||
| ) | ||
|
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| func TestDefaultDialer(t *testing.T) { | ||
| var responseBody struct { | ||
| Status string `json:"status"` | ||
| } | ||
| mux := http.NewServeMux() | ||
| mux.Handle("/", http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) { | ||
| w.Header().Add("Content-Type", "application/json") | ||
| w.Write([]byte(`{"status":"ok"}`)) | ||
| })) | ||
| server := httptest.NewServer(mux) | ||
| defer server.Close() | ||
|
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| port := server.Listener.Addr().(*net.TCPAddr).Port | ||
|
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| ctx := WithResolvedIPs(context.Background(), "www.qiniu.com", []net.IP{net.IPv4(127, 0, 0, 1)}) | ||
| err := DefaultClient.Call(ctx, &responseBody, http.MethodGet, fmt.Sprintf("http://www.qiniu.com:%d/", port), nil) | ||
| if err != nil { | ||
| t.Fatal(err) | ||
| } | ||
| if responseBody.Status != "ok" { | ||
| t.Fatal("unexpected response") | ||
| } | ||
| } |
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