I saw a lot d.deadline(time.Now()) in net package. From the name, I just guess it just set deadline on now, which has no meaning in network communication. So what is the purpose deadline(time.Now()) in golang?
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- dth96108 2016-05-31 06:02关注
This is the function you are referring to (
net
package, file dial.go). So, it returns the first deadline to come between the deadline set and the timeout set for the connection.67 // Return either now+Timeout or Deadline, whichever comes first. 68 // Or zero, if neither is set. 69 func (d *Dialer) deadline(now time.Time) time.Time { 70 if d.Timeout == 0 { 71 return d.Deadline 72 } 73 timeoutDeadline := now.Add(d.Timeout) 74 if d.Deadline.IsZero() || timeoutDeadline.Before(d.Deadline) { 75 return timeoutDeadline 76 } else { 77 return d.Deadline 78 } 79 }
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