Added stream flag indicates if client disconnected in middle of streaming (#1252)

This commit is contained in:
Daniel Krom 2019-03-02 17:07:37 +02:00 committed by 田欧
parent 3b84a430d0
commit 893c6cae07

View File

@ -896,19 +896,20 @@ func (c *Context) SSEvent(name string, message interface{}) {
})
}
// Stream sends a streaming response.
func (c *Context) Stream(step func(w io.Writer) bool) {
// Stream sends a streaming response and returns a boolean
// indicates "Is client disconnected in middle of stream"
func (c *Context) Stream(step func(w io.Writer) bool) bool {
w := c.Writer
clientGone := w.CloseNotify()
for {
select {
case <-clientGone:
return
return true
default:
keepOpen := step(w)
w.Flush()
if !keepOpen {
return
return false
}
}
}