mirror of
https://github.com/QuantumPackage/qp2.git
synced 2024-11-18 19:32:20 +01:00
470 lines
12 KiB
OCaml
470 lines
12 KiB
OCaml
open Qputils
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open Qptypes
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type ezfio_or_address = EZFIO of string | ADDRESS of string
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type req_or_sub = REQ | SUB
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let localport = 42379
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let in_time_sum = ref 1.e-9
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and in_size_sum = ref 0.
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let () =
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let open Command_line in
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begin
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"Creates an ssh tunnel for using slaves on another network. Launch a server on the front-end node of the cluster on which the master process runs. Then start a client ont the front-end node of the distant cluster."
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|> set_footer_doc ;
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[ { short='g' ; long="get-input" ; opt=Optional ;
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doc="Downloads the EZFIO directory." ;
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arg=Without_arg; } ;
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{ short='v' ; long="verbose" ; opt=Optional ;
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doc="Prints the transfer speed." ;
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arg=Without_arg; } ;
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anonymous
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"(EZFIO_DIR|ADDRESS)"
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Mandatory
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"EZFIO directory or address.";
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] |> set_specs
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end;
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let arg =
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let x =
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match Command_line.anon_args () with
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| [x] -> x
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| _ -> begin
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Command_line.help () ;
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failwith "EZFIO_FILE or ADDRESS is missing"
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end
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in
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if Sys.file_exists x && Sys.is_directory x then
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EZFIO x
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else
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ADDRESS x
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in
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let verbose =
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Command_line.get_bool "verbose"
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in
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let localhost =
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Lazy.force TaskServer.ip_address
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in
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let long_address =
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match arg with
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| ADDRESS x -> x
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| EZFIO x ->
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let ic =
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Filename.concat (Qpackage.ezfio_work x) "qp_run_address"
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|> open_in
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in
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let result =
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input_line ic
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|> String.trim
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in
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close_in ic;
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result
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in
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let protocol, address, port =
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match String.split_on_char ':' long_address with
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| t :: a :: p :: [] -> t, a, int_of_string p
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| _ -> failwith @@
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Printf.sprintf "%s : Malformed address" long_address
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in
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let zmq_context =
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Zmq.Context.create ()
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in
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(** Check availability of the ports *)
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let localport =
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let dummy_socket =
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Zmq.Socket.create zmq_context Zmq.Socket.rep
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in
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let rec try_new_port port_number =
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try
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List.iter (fun i ->
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let address =
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Printf.sprintf "tcp://%s:%d" localhost (port_number+i)
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in
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Zmq.Socket.bind dummy_socket address;
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Zmq.Socket.unbind dummy_socket address
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) [ 0;1;2;3;4;5;6;7;8;9 ] ;
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port_number
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with
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| Unix.Unix_error _ -> try_new_port (port_number+100)
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in
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let result =
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try_new_port localport
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in
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Zmq.Socket.close dummy_socket;
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result
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in
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let create_socket sock_type bind_or_connect addr =
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let socket =
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Zmq.Socket.create zmq_context sock_type
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in
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let () =
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try
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bind_or_connect socket addr
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with
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| _ -> failwith @@
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Printf.sprintf "Unable to establish connection to %s." addr
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in
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socket
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in
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(* Handle termination *)
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let run_status = ref true in
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let handler =
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Sys.Signal_handle (fun signum ->
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run_status := false;
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Sys.set_signal signum Sys.Signal_default
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)
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in
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Sys.set_signal Sys.sigusr1 handler;
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Sys.set_signal Sys.sigint handler;
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let new_thread req_or_sub addr_in addr_out =
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let socket_in, socket_out =
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match req_or_sub with
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| REQ ->
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create_socket Zmq.Socket.router Zmq.Socket.bind addr_in,
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create_socket Zmq.Socket.dealer Zmq.Socket.connect addr_out
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| SUB ->
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create_socket Zmq.Socket.sub Zmq.Socket.connect addr_in,
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create_socket Zmq.Socket.pub Zmq.Socket.bind addr_out
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in
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if req_or_sub = SUB then
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Zmq.Socket.subscribe socket_in "";
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(*
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let action =
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if verbose then
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begin
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match req_or_sub with
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| REQ -> (fun () ->
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let msg =
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Zmq.Socket.recv_all socket_in
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in
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let t0 = Unix.gettimeofday () in
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Zmq.Socket.send_all socket_out msg;
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let in_size =
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float_of_int ( List.fold_left (fun accu x -> accu + String.length x) 0 msg )
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/. 8192. /. 1024.
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in
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let msg =
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Zmq.Socket.recv_all socket_out
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in
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let t1 = Unix.gettimeofday () in
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Zmq.Socket.send_all socket_in msg;
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let in_time = t1 -. t0 in
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in_time_sum := !in_time_sum +. in_time;
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in_size_sum := !in_size_sum +. in_size;
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Printf.printf " %16.2f MiB/s -- %16.2f MiB/s\n%!" (in_size /. in_time) (!in_size_sum /. !in_time_sum);
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)
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| SUB -> (fun () ->
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Zmq.Socket.recv_all socket_in |> Zmq.Socket.send_all socket_out)
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end
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else
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begin
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match req_or_sub with
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| REQ -> (fun () ->
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Zmq.Socket.recv_all socket_in |> Zmq.Socket.send_all socket_out;
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Zmq.Socket.recv_all socket_out |> Zmq.Socket.send_all socket_in )
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| SUB -> (fun () ->
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Zmq.Socket.recv_all socket_in |> Zmq.Socket.send_all socket_out)
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end
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in
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*)
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let action_in =
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match req_or_sub with
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| REQ -> (fun () -> Zmq.Socket.recv_all socket_in |> Zmq.Socket.send_all socket_out)
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| SUB -> (fun () -> Zmq.Socket.recv_all socket_in |> Zmq.Socket.send_all socket_out)
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in
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let action_out =
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match req_or_sub with
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| REQ -> (fun () -> Zmq.Socket.recv_all socket_out |> Zmq.Socket.send_all socket_in )
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| SUB -> (fun () -> () )
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in
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let pollitem =
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Zmq.Poll.mask_of
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[| (socket_in, Zmq.Poll.In) ; (socket_out, Zmq.Poll.In) |]
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in
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while !run_status do
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let polling =
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Zmq.Poll.poll ~timeout:1000 pollitem
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in
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match polling with
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| [| Some Zmq.Poll.In ; Some Zmq.Poll.In |] -> ( action_out () ; action_in () )
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| [| _ ; Some Zmq.Poll.In |] -> action_out ()
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| [| Some Zmq.Poll.In ; _ |] -> action_in ()
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| _ -> ()
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done;
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Zmq.Socket.close socket_in;
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Zmq.Socket.close socket_out;
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in
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let ocaml_thread =
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let addr_out =
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Printf.sprintf "tcp:%s:%d" address port
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in
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let addr_in =
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Printf.sprintf "tcp://*:%d" localport
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in
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let f () =
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new_thread REQ addr_in addr_out
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in
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(Thread.create f) ()
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in
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Printf.printf "Connect to:\ntcp://%s:%d\n%!" localhost localport;
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let fortran_thread =
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let addr_out =
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Printf.sprintf "tcp:%s:%d" address (port+2)
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in
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let addr_in =
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Printf.sprintf "tcp://*:%d" (localport+2)
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in
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let f () =
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new_thread REQ addr_in addr_out
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in
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(Thread.create f) ()
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in
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let pub_thread =
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let addr_in =
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Printf.sprintf "tcp:%s:%d" address (port+1)
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in
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let addr_out =
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Printf.sprintf "tcp://*:%d" (localport+1)
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in
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let f () =
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new_thread SUB addr_in addr_out
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in
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(Thread.create f) ()
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in
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let input_thread =
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let f () =
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let addr_out =
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match arg with
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| EZFIO _ -> None
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| ADDRESS _ -> Some (
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Printf.sprintf "tcp:%s:%d" address (port+9) )
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in
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let addr_in =
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Printf.sprintf "tcp://*:%d" (localport+9)
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in
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let socket_in =
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create_socket Zmq.Socket.rep Zmq.Socket.bind addr_in
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in
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let socket_out =
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match addr_out with
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| Some addr_out -> Some (
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create_socket Zmq.Socket.req Zmq.Socket.connect addr_out)
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| None -> None
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in
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let temp_file =
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Filename.temp_file "qp_tunnel" ".tar.gz"
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in
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let get_ezfio_filename () =
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match arg with
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| EZFIO x -> x
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| ADDRESS _ ->
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begin
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match socket_out with
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| None -> assert false
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| Some socket_out -> (
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Zmq.Socket.send socket_out "get_ezfio_filename" ;
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Zmq.Socket.recv socket_out
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)
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end
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in
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let get_input () =
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match arg with
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| EZFIO x ->
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begin
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Printf.sprintf "tar --exclude=\"*.gz.*\" -zcf %s %s" temp_file x
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|> Sys.command |> ignore;
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let fd =
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Unix.openfile temp_file [Unix.O_RDONLY] 0o640
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in
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let len =
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Unix.lseek fd 0 Unix.SEEK_END
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in
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ignore @@ Unix.lseek fd 0 Unix.SEEK_SET ;
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let bstr =
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Unix.map_file fd Bigarray.char
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Bigarray.c_layout false [| len |]
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|> Bigarray.array1_of_genarray
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in
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let result =
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String.init len (fun i -> bstr.{i}) ;
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in
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Unix.close fd;
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Sys.remove temp_file;
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result
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end
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| ADDRESS _ ->
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begin
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match socket_out with
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| None -> assert false
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| Some socket_out -> (
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Zmq.Socket.send socket_out "get_input" ;
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Zmq.Socket.recv socket_out
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)
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end
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in
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let () =
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match socket_out with
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| None -> ()
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| Some socket_out ->
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Zmq.Socket.send socket_out "test";
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Printf.printf "Communication [ %s ]\n%!" (Zmq.Socket.recv socket_out);
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in
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(* Download input if asked *)
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if Command_line.get_bool "get-input" then
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begin
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match arg with
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| EZFIO _ -> ()
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| ADDRESS _ ->
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begin
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Printf.printf "Getting input... %!";
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let ezfio_filename =
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get_ezfio_filename ()
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in
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Printf.printf "%s%!" ezfio_filename;
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let oc =
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open_out temp_file
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in
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get_input ()
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|> output_string oc;
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close_out oc;
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Printf.sprintf "tar -zxf %s" temp_file
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|> Sys.command |> ignore ;
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let oc =
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Filename.concat (Qpackage.ezfio_work ezfio_filename) "qp_run_address"
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|> open_out
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in
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Printf.fprintf oc "tcp://%s:%d\n" localhost localport;
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close_out oc;
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Printf.printf " ...done\n%!"
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end
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end;
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(* Main loop *)
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let pollitem =
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Zmq.Poll.mask_of [| (socket_in, Zmq.Poll.In) |]
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in
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let action () =
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match Zmq.Socket.recv socket_in with
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| "get_input" -> get_input ()
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|> Zmq.Socket.send socket_in
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| "get_ezfio_filename" -> get_ezfio_filename ()
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|> Zmq.Socket.send socket_in
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| "test" -> Zmq.Socket.send socket_in "OK"
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| x -> Printf.sprintf "Message '%s' not understood" x
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|> Zmq.Socket.send socket_in
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in
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Printf.printf "
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On remote hosts, create ssh tunnel using:
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ssh -L %d:%s:%d -L %d:%s:%d -L %d:%s:%d -L %d:%s:%d %s &
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Or from this host connect to clients using:
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ssh -R %d:localhost:%d -R %d:localhost:%d -R %d:localhost:%d -R %d:localhost:%d <host> &
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%!"
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(port ) localhost (localport )
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(port+1) localhost (localport+1)
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(port+2) localhost (localport+2)
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(port+9) localhost (localport+9)
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(Unix.gethostname ())
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(port ) (localport )
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(port+1) (localport+1)
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(port+2) (localport+2)
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(port+9) (localport+9);
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Printf.printf "Ready\n%!";
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while !run_status do
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let polling =
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Zmq.Poll.poll ~timeout:1000 pollitem
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in
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match polling.(0) with
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| Some Zmq.Poll.In -> action ()
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| None -> ()
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| Some Zmq.Poll.In_out
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| Some Zmq.Poll.Out -> ()
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done;
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let () =
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match socket_out with
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| Some socket_out -> Zmq.Socket.close socket_out
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| None -> ()
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in
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Zmq.Socket.close socket_in
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in
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(Thread.create f) ()
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in
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(* Termination *)
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Thread.join input_thread;
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Thread.join fortran_thread;
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Thread.join pub_thread;
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Thread.join ocaml_thread;
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Zmq.Context.terminate zmq_context;
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Printf.printf "qp_tunnel exited properly.\n"
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