Vendor cfssl and cfssljson

vendor/github.com/jmhodges/clock/timer.go

@@ -0,0 +1,66 @@
+package clock
+
+import "time"
+
+type Timer struct {
+	C <-chan time.Time
+
+	timer     *time.Timer
+	fakeTimer *fakeTimer
+}
+
+func (t *Timer) Reset(d time.Duration) bool {
+	if t.timer != nil {
+		return t.timer.Reset(d)
+	}
+	return t.fakeTimer.Reset(d)
+}
+
+func (t *Timer) Stop() bool {
+	if t.timer != nil {
+		return t.timer.Stop()
+	}
+	return t.fakeTimer.Stop()
+}
+
+type fakeTimer struct {
+	// c is the same chan as C in the Timer that contains this fakeTimer
+	c chan<- time.Time
+	// clk is kept so we can maintain just one lock and to add and attempt to
+	// send the times made by this timer during Resets and Stops
+	clk *fake
+	// active is true until the fakeTimer's send is attempted or it has been
+	// stopped
+	active bool
+	// sends is where we store all the sends made by this timer so we can
+	// deactivate the old ones when Reset or Stop is called.
+	sends []*send
+}
+
+func (ft *fakeTimer) Reset(d time.Duration) bool {
+	ft.clk.Lock()
+	defer ft.clk.Unlock()
+	target := ft.clk.t.Add(d)
+	active := ft.active
+	ft.active = true
+	for _, s := range ft.sends {
+		s.active = false
+	}
+	s := ft.clk.addSend(target, ft)
+	ft.sends = []*send{s}
+	ft.clk.sendTimes()
+	return active
+}
+
+func (ft *fakeTimer) Stop() bool {
+	ft.clk.Lock()
+	defer ft.clk.Unlock()
+	active := ft.active
+	ft.active = false
+	for _, s := range ft.sends {
+		s.active = false
+	}
+	ft.sends = nil
+	ft.clk.sendTimes()
+	return active
+}