diff options
-rw-r--r-- | netcat.ml | 20 |
1 files changed, 15 insertions, 5 deletions
@@ -1,12 +1,22 @@ (** Connect to addr and port and start communicating **) let nc addr port = let rec discuss csock = - let buffer = Bytes.create 5 in - let n = Unix.recv csock buffer 0 (Bytes.length buffer) [] in - match n with - | 0 -> () - | _ -> ignore (Unix.write Unix.stdout buffer 0 n); discuss csock + let aux input output = + let buffer = Bytes.create 256 in + let n = Unix.read input buffer 0 (Bytes.length buffer) in + match n with + | 0 -> () + | _ -> ignore (Unix.write output buffer 0 n); discuss csock + in + + match Unix.select [Unix.stdin; csock] [] [] (-1.) with + | (fds, _, _) -> ( + match List.hd fds == Unix.stdin with + | true -> aux Unix.stdin csock + | false -> aux csock Unix.stdout + ) in + let sock = Unix.socket Unix.PF_INET Unix.SOCK_STREAM 0 in Unix.connect sock (Unix.ADDR_INET (Unix.inet_addr_of_string addr, port)); discuss sock |