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fix: close gracefully #54

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Sep 30, 2019
Merged

fix: close gracefully #54

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6 changes: 5 additions & 1 deletion conn.go
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Original file line number Diff line number Diff line change
Expand Up @@ -84,7 +84,11 @@ func (c *Conn) Write(b []byte) (n int, err error) {
func (c *Conn) Close() error {
var err error
c.closeOnce.Do(func() {
err1 := c.Conn.WriteControl(ws.CloseMessage, nil, time.Now().Add(GracefulCloseTimeout))
err1 := c.Conn.WriteControl(
ws.CloseMessage,
ws.FormatCloseMessage(ws.CloseNormalClosure, "closed"),
time.Now().Add(GracefulCloseTimeout),
)
err2 := c.Conn.Close()
switch {
case err1 != nil:
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