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64 lines
2.3 KiB
OCaml
64 lines
2.3 KiB
OCaml
module RunningMap : Map.S with type key = Id.Task.t
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module TasksMap : Map.S with type key = Id.Task.t
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module ClientsSet : Set.S with type elt = Id.Client.t
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type t = {
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queued_front : Id.Task.t list ;
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queued_back : Id.Task.t list ;
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running : Id.Client.t RunningMap.t ;
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tasks : string TasksMap.t ;
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clients : ClientsSet.t ;
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next_client_id : Id.Client.t ;
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next_task_id : Id.Task.t ;
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number_of_queued : int ;
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number_of_running : int ;
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number_of_tasks : int ;
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number_of_clients : int ;
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}
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(** Creates a new queuing system. Returns the new queue. *)
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val create : unit -> t
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(** Add a new task represented as a string. Returns the queue with the added task. *)
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val add_task : task:string -> t -> t
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(** Add a new client. Returns the queue and a new client_id. *)
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val add_client : t -> t * Id.Client.t
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(** Pops a task from the queue. The task is set as running on client client_id.
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Returns the queue, a task_id and the content of the task. If the queue contains
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no task, the task_id and the task content are None. *)
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val pop_task :
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client_id:ClientsSet.elt -> t -> t * Id.Task.t option * string option
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(** Deletes a client from the queuing system *)
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val del_client : client_id:ClientsSet.elt -> t -> t
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(** Deletes a client from the queuing system. The client is assumed to be a member
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of the set of clients. Returns the queue without the removed client. *)
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val end_task : task_id:RunningMap.key -> client_id:ClientsSet.elt -> t -> t
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(** Deletes a task from the queuing system. The task is assumed to be a member
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of the map of tasks. Returns the queue without the removed task. *)
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val del_task : task_id:TasksMap.key -> t -> t
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(** Returns the number of tasks, assumed >= 0 *)
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val number_of_tasks : t -> int
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(** Returns the number of queued tasks, assumed >= 0 *)
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val number_of_queued : t -> int
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(** Returns the number of running tasks, assumed >= 0 *)
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val number_of_running : t -> int
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(** Returns the number of connected clients, assumed >= 0 *)
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val number_of_clients : t -> int
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(** Prints the content of the queue *)
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val to_string : t -> string
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(** Test function for debug *)
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val test : unit -> unit
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