moby/utils/timeoutconn.go
Derek 02f4ae6c56 Use Timeout Conn wrapper to set read deadline for downloading layer
Docker-DCO-1.1-Signed-off-by: Derek <crq@kernel.org> (github: crquan)
2014-05-27 22:50:04 -07:00

26 lines
479 B
Go

package utils
import (
"net"
"time"
)
func NewTimeoutConn(conn net.Conn, timeout time.Duration) net.Conn {
return &TimeoutConn{conn, timeout}
}
// A net.Conn that sets a deadline for every Read or Write operation
type TimeoutConn struct {
net.Conn
timeout time.Duration
}
func (c *TimeoutConn) Read(b []byte) (int, error) {
if c.timeout > 0 {
err := c.Conn.SetReadDeadline(time.Now().Add(c.timeout))
if err != nil {
return 0, err
}
}
return c.Conn.Read(b)
}