Enable fallback Context.Deadline(), Context.Done(), Context.Err() and Context.Value()
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92ba8e17aa
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f197a8bae0
@ -1158,7 +1158,7 @@ func (c *Context) SetAccepted(formats ...string) {
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// Deadline returns that there is no deadline (ok==false) when c.Request has no Context.
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// Deadline returns that there is no deadline (ok==false) when c.Request has no Context.
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func (c *Context) Deadline() (deadline time.Time, ok bool) {
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func (c *Context) Deadline() (deadline time.Time, ok bool) {
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if c.Request == nil || c.Request.Context() == nil {
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if !c.engine.ContextWithFallback || c.Request == nil || c.Request.Context() == nil {
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return
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return
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}
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}
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return c.Request.Context().Deadline()
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return c.Request.Context().Deadline()
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@ -1166,7 +1166,7 @@ func (c *Context) Deadline() (deadline time.Time, ok bool) {
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// Done returns nil (chan which will wait forever) when c.Request has no Context.
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// Done returns nil (chan which will wait forever) when c.Request has no Context.
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func (c *Context) Done() <-chan struct{} {
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func (c *Context) Done() <-chan struct{} {
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if c.Request == nil || c.Request.Context() == nil {
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if !c.engine.ContextWithFallback || c.Request == nil || c.Request.Context() == nil {
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return nil
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return nil
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}
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}
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return c.Request.Context().Done()
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return c.Request.Context().Done()
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@ -1174,7 +1174,7 @@ func (c *Context) Done() <-chan struct{} {
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// Err returns nil when c.Request has no Context.
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// Err returns nil when c.Request has no Context.
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func (c *Context) Err() error {
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func (c *Context) Err() error {
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if c.Request == nil || c.Request.Context() == nil {
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if !c.engine.ContextWithFallback || c.Request == nil || c.Request.Context() == nil {
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return nil
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return nil
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}
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}
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return c.Request.Context().Err()
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return c.Request.Context().Err()
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@ -1195,7 +1195,7 @@ func (c *Context) Value(key any) any {
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return val
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return val
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}
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}
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}
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}
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if c.Request == nil || c.Request.Context() == nil {
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if !c.engine.ContextWithFallback || c.Request == nil || c.Request.Context() == nil {
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return nil
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return nil
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}
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}
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return c.Request.Context().Value(key)
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return c.Request.Context().Value(key)
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113
context_test.go
113
context_test.go
@ -2097,12 +2097,18 @@ func TestRemoteIPFail(t *testing.T) {
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}
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}
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func TestContextWithFallbackDeadlineFromRequestContext(t *testing.T) {
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func TestContextWithFallbackDeadlineFromRequestContext(t *testing.T) {
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c := &Context{}
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c, _ := CreateTestContext(httptest.NewRecorder())
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// enable ContextWithFallback feature flag
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c.engine.ContextWithFallback = true
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deadline, ok := c.Deadline()
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deadline, ok := c.Deadline()
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assert.Zero(t, deadline)
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assert.Zero(t, deadline)
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assert.False(t, ok)
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assert.False(t, ok)
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c2 := &Context{}
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c2, _ := CreateTestContext(httptest.NewRecorder())
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// enable ContextWithFallback feature flag
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c2.engine.ContextWithFallback = true
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c2.Request, _ = http.NewRequest(http.MethodGet, "/", nil)
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c2.Request, _ = http.NewRequest(http.MethodGet, "/", nil)
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d := time.Now().Add(time.Second)
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d := time.Now().Add(time.Second)
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ctx, cancel := context.WithDeadline(context.Background(), d)
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ctx, cancel := context.WithDeadline(context.Background(), d)
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@ -2114,10 +2120,16 @@ func TestContextWithFallbackDeadlineFromRequestContext(t *testing.T) {
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}
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}
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func TestContextWithFallbackDoneFromRequestContext(t *testing.T) {
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func TestContextWithFallbackDoneFromRequestContext(t *testing.T) {
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c := &Context{}
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c, _ := CreateTestContext(httptest.NewRecorder())
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// enable ContextWithFallback feature flag
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c.engine.ContextWithFallback = true
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assert.Nil(t, c.Done())
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assert.Nil(t, c.Done())
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c2 := &Context{}
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c2, _ := CreateTestContext(httptest.NewRecorder())
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// enable ContextWithFallback feature flag
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c2.engine.ContextWithFallback = true
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c2.Request, _ = http.NewRequest(http.MethodGet, "/", nil)
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c2.Request, _ = http.NewRequest(http.MethodGet, "/", nil)
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ctx, cancel := context.WithCancel(context.Background())
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ctx, cancel := context.WithCancel(context.Background())
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c2.Request = c2.Request.WithContext(ctx)
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c2.Request = c2.Request.WithContext(ctx)
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@ -2126,10 +2138,16 @@ func TestContextWithFallbackDoneFromRequestContext(t *testing.T) {
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}
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}
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func TestContextWithFallbackErrFromRequestContext(t *testing.T) {
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func TestContextWithFallbackErrFromRequestContext(t *testing.T) {
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c := &Context{}
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c, _ := CreateTestContext(httptest.NewRecorder())
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// enable ContextWithFallback feature flag
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c.engine.ContextWithFallback = true
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assert.Nil(t, c.Err())
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assert.Nil(t, c.Err())
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c2 := &Context{}
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c2, _ := CreateTestContext(httptest.NewRecorder())
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// enable ContextWithFallback feature flag
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c2.engine.ContextWithFallback = true
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c2.Request, _ = http.NewRequest(http.MethodGet, "/", nil)
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c2.Request, _ = http.NewRequest(http.MethodGet, "/", nil)
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ctx, cancel := context.WithCancel(context.Background())
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ctx, cancel := context.WithCancel(context.Background())
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c2.Request = c2.Request.WithContext(ctx)
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c2.Request = c2.Request.WithContext(ctx)
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@ -2138,9 +2156,9 @@ func TestContextWithFallbackErrFromRequestContext(t *testing.T) {
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assert.EqualError(t, c2.Err(), context.Canceled.Error())
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assert.EqualError(t, c2.Err(), context.Canceled.Error())
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}
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}
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func TestContextWithFallbackValueFromRequestContext(t *testing.T) {
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type contextKey string
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type contextKey string
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func TestContextWithFallbackValueFromRequestContext(t *testing.T) {
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tests := []struct {
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tests := []struct {
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name string
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name string
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getContextAndKey func() (*Context, any)
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getContextAndKey func() (*Context, any)
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@ -2150,7 +2168,9 @@ func TestContextWithFallbackValueFromRequestContext(t *testing.T) {
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name: "c with struct context key",
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name: "c with struct context key",
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getContextAndKey: func() (*Context, any) {
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getContextAndKey: func() (*Context, any) {
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var key struct{}
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var key struct{}
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c := &Context{}
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c, _ := CreateTestContext(httptest.NewRecorder())
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// enable ContextWithFallback feature flag
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c.engine.ContextWithFallback = true
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c.Request, _ = http.NewRequest("POST", "/", nil)
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c.Request, _ = http.NewRequest("POST", "/", nil)
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c.Request = c.Request.WithContext(context.WithValue(context.TODO(), key, "value"))
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c.Request = c.Request.WithContext(context.WithValue(context.TODO(), key, "value"))
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return c, key
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return c, key
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@ -2160,7 +2180,9 @@ func TestContextWithFallbackValueFromRequestContext(t *testing.T) {
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{
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{
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name: "c with string context key",
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name: "c with string context key",
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getContextAndKey: func() (*Context, any) {
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getContextAndKey: func() (*Context, any) {
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c := &Context{}
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c, _ := CreateTestContext(httptest.NewRecorder())
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// enable ContextWithFallback feature flag
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c.engine.ContextWithFallback = true
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c.Request, _ = http.NewRequest("POST", "/", nil)
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c.Request, _ = http.NewRequest("POST", "/", nil)
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c.Request = c.Request.WithContext(context.WithValue(context.TODO(), contextKey("key"), "value"))
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c.Request = c.Request.WithContext(context.WithValue(context.TODO(), contextKey("key"), "value"))
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return c, contextKey("key")
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return c, contextKey("key")
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@ -2170,7 +2192,10 @@ func TestContextWithFallbackValueFromRequestContext(t *testing.T) {
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{
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{
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name: "c with nil http.Request",
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name: "c with nil http.Request",
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getContextAndKey: func() (*Context, any) {
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getContextAndKey: func() (*Context, any) {
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c := &Context{}
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c, _ := CreateTestContext(httptest.NewRecorder())
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// enable ContextWithFallback feature flag
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c.engine.ContextWithFallback = true
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c.Request = nil
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return c, "key"
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return c, "key"
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},
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},
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value: nil,
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value: nil,
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@ -2178,7 +2203,9 @@ func TestContextWithFallbackValueFromRequestContext(t *testing.T) {
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{
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{
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name: "c with nil http.Request.Context()",
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name: "c with nil http.Request.Context()",
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getContextAndKey: func() (*Context, any) {
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getContextAndKey: func() (*Context, any) {
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c := &Context{}
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c, _ := CreateTestContext(httptest.NewRecorder())
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// enable ContextWithFallback feature flag
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c.engine.ContextWithFallback = true
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c.Request, _ = http.NewRequest("POST", "/", nil)
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c.Request, _ = http.NewRequest("POST", "/", nil)
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return c, "key"
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return c, "key"
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},
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},
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@ -2193,6 +2220,70 @@ func TestContextWithFallbackValueFromRequestContext(t *testing.T) {
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}
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}
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}
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}
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func TestContextCopyShouldNotCancel(t *testing.T) {
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srv := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, _ *http.Request) {
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w.WriteHeader(http.StatusOK)
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}))
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defer srv.Close()
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ensureRequestIsOver := make(chan struct{})
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wg := &sync.WaitGroup{}
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r := New()
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r.GET("/", func(ginctx *Context) {
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wg.Add(1)
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ginctx = ginctx.Copy()
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// start async goroutine for calling srv
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go func() {
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defer wg.Done()
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<-ensureRequestIsOver // ensure request is done
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req, err := http.NewRequestWithContext(ginctx, http.MethodGet, srv.URL, nil)
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must(err)
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res, err := http.DefaultClient.Do(req)
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if err != nil {
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t.Error(fmt.Errorf("request error: %w", err))
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return
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}
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if res.StatusCode != http.StatusOK {
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t.Error(fmt.Errorf("unexpected status code: %s", res.Status))
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}
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}()
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})
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l, err := net.Listen("tcp", ":0")
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must(err)
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go func() {
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s := &http.Server{
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Handler: r,
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}
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must(s.Serve(l))
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}()
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addr := strings.Split(l.Addr().String(), ":")
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res, err := http.Get(fmt.Sprintf("http://127.0.0.1:%s/", addr[len(addr)-1]))
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if err != nil {
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t.Error(fmt.Errorf("request error: %w", err))
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return
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}
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close(ensureRequestIsOver)
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if res.StatusCode != http.StatusOK {
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t.Error(fmt.Errorf("unexpected status code: %s", res.Status))
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return
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}
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wg.Wait()
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}
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func TestContextAddParam(t *testing.T) {
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func TestContextAddParam(t *testing.T) {
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c := &Context{}
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c := &Context{}
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id := "id"
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id := "id"
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3
gin.go
3
gin.go
@ -147,6 +147,9 @@ type Engine struct {
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// UseH2C enable h2c support.
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// UseH2C enable h2c support.
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UseH2C bool
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UseH2C bool
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// ContextWithFallback enable fallback Context.Deadline(), Context.Done(), Context.Err() and Context.Value() when Context.Request.Context() is not nil.
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ContextWithFallback bool
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delims render.Delims
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delims render.Delims
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secureJSONPrefix string
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secureJSONPrefix string
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HTMLRender render.HTMLRender
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HTMLRender render.HTMLRender
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