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lib/model, lib/protocol: Implement temporary indexes (fixes #950)

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GitHub-Pull-Request: https://github.com/syncthing/syncthing/pull/2252
This commit is contained in:
AudriusButkevicius
2016-04-15 10:59:41 +00:00
committed by Jakob Borg
parent a4cd4cc253
commit 1a5f524ae4
28 changed files with 1612 additions and 234 deletions
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22
lib/model/deviceactivity.go
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@@ -26,28 +26,30 @@ func newDeviceActivity() *deviceActivity {
}
}
func (m *deviceActivity) leastBusy(availability []protocol.DeviceID) protocol.DeviceID {
func (m *deviceActivity) leastBusy(availability []Availability) (Availability, bool) {
m.mut.Lock()
low := 2<<30 - 1
var selected protocol.DeviceID
for _, device := range availability {
if usage := m.act[device]; usage < low {
found := false
var selected Availability
for _, info := range availability {
if usage := m.act[info.ID]; usage < low {
low = usage
selected = device
selected = info
found = true
}
}
m.mut.Unlock()
return selected
return selected, found
}
func (m *deviceActivity) using(device protocol.DeviceID) {
func (m *deviceActivity) using(availability Availability) {
m.mut.Lock()
m.act[device]++
m.act[availability.ID]++
m.mut.Unlock()
}
func (m *deviceActivity) done(device protocol.DeviceID) {
func (m *deviceActivity) done(availability Availability) {
m.mut.Lock()
m.act[device]--
m.act[availability.ID]--
m.mut.Unlock()
}