// Creates a new progress emitter which emits DownloadProgress events every
// interval.
func NewProgressEmitter(cfg *config.Wrapper) *ProgressEmitter {
t := &ProgressEmitter{
stop: make(chan struct{}),
registry: make(map[string]*sharedPullerState),
last: make(map[string]map[string]*pullerProgress),
timer: time.NewTimer(time.Millisecond),
}
t.Changed(cfg.Raw())
cfg.Subscribe(t)
return t
}
func NewBlockFinder(db *leveldb.DB, cfg *config.Wrapper) *BlockFinder {
if blockFinder != nil {
return blockFinder
}
f := &BlockFinder{
db: db,
}
f.Changed(cfg.Raw())
cfg.Subscribe(f)
return f
}
// NewProgressEmitter creates a new progress emitter which emits
// DownloadProgress events every interval.
func NewProgressEmitter(cfg *config.Wrapper) *ProgressEmitter {
t := &ProgressEmitter{
stop: make(chan struct{}),
registry: make(map[string]*sharedPullerState),
last: make(map[string]map[string]*pullerProgress),
timer: time.NewTimer(time.Millisecond),
mut: sync.NewMutex(),
}
t.CommitConfiguration(config.Configuration{}, cfg.Raw())
cfg.Subscribe(t)
return t
}
func newUsageReportingManager(m *model.Model, cfg *config.Wrapper) *usageReportingManager {
mgr := &usageReportingManager{
model: m,
}
// Start UR if it's enabled.
mgr.CommitConfiguration(config.Configuration{}, cfg.Raw())
// Listen to future config changes so that we can start and stop as
// appropriate.
cfg.Subscribe(mgr)
return mgr
}
func NewBlockFinder(db *leveldb.DB, cfg *config.Wrapper) *BlockFinder {
if blockFinder != nil {
return blockFinder
}
f := &BlockFinder{
db: db,
mut: sync.NewRWMutex(),
}
f.CommitConfiguration(config.Configuration{}, cfg.Raw())
cfg.Subscribe(f)
return f
}