* internal/sync2: Cycle minor impl & docs improvements
Add the following improvements to the Cycle type of the internal/sync2
package:
* Avoid that Close method hang if Start/Run has not been called.
* Ensure that internal ticker is always stopped.
* Add clarifications when methods calls panic.
* internal/sync2: add minimal package level docs
* Changes defer
* Moving retrieve into multiple goroutines
* Make sure we pass nil errors into err channel
* restore tests
* incorporate locks in retrieve.go
* deserialize data only if we have something to deserealize when receiving bandwidth allocation in server store
* Adding logic for retrieve to be more efficient
* Add channel?
* hmm
* implement Throttle concurrency primitive
* using throttle
* Remove unused variables
* Egon comments addressed
* Get ba total correct
* Consume without waiting
* incrementally increase signing size
* Get downloads working with throttle
* Removed logging
* Make sure we handle errors properly
* Fix tests
>
>
Co-authored-by: Kaloyan <kaloyan@storj.io>
* Can't Fatalf in goroutine
* Add missing returns to tests
* add capacity to channel, smarter allocations
* rename things and don't use size as limit
* replace things with sync2.Throttle
* fix compilation errors
* add note about security
* fix ordering
* Max length is actually 64 bytes for piece ID
* Max length is actually 64 bytes for piece ID
* fix limit
* error comes from pending allocs, so no need to relog
* Optimize throughput
* TODO
* Deleted allocation manager
* Return when someone sends a smaller bandwidth allocation than the previous message
* review comments
