Simple resource pool

Configuration

• Max - Maximum number of resources the pool can have. (default=0)
• AcquireTimeout - Maximum duration before timing out a resource acquire. Returns a ErrorAcquireTimeout error, if exceeded. (default=0, unlimited)
• MaxWaitingClients - Maximum number of queued requests allowed. Additional Acquire calls will retrun an ErrorMaximumWaitingClientsExceeded error. (default=0, unlimited)
• Factory
  • Create - A function that the pool will call to create a new resource.
  • Destroy - When provided, the Destroy function is called when a resource is about to be destroyed.
  • Validate - When provided, the Validate function is called before retrieving a resource to validate whether it's still active.

TODO

• Cleanup codebase
• Implement idle resources removal