diff options
Diffstat (limited to 'lib/inets/src/tftp')
| -rw-r--r-- | lib/inets/src/tftp/tftp_engine.erl | 36 |
1 files changed, 7 insertions, 29 deletions
diff --git a/lib/inets/src/tftp/tftp_engine.erl b/lib/inets/src/tftp/tftp_engine.erl index 79203fd1a4..22dd2f3336 100644 --- a/lib/inets/src/tftp/tftp_engine.erl +++ b/lib/inets/src/tftp/tftp_engine.erl @@ -657,22 +657,11 @@ common_read(Config, Callback, Req, _LocalAccess, ExpectedBlockNo, ActualBlockNo, do_common_read(Config, Callback, Req, LocalAccess, BlockNo, Data, Prepared) when is_binary(Data), is_record(Prepared, prepared) -> - NextBlockNo = BlockNo + 1, - case NextBlockNo =< 65535 of - true -> - Reply = #tftp_msg_data{block_no = NextBlockNo, data = Data}, - {Config2, Callback2, TransferRes} = - transfer(Config, Callback, Req, Reply, LocalAccess, NextBlockNo, Prepared), - ?MODULE:common_loop(Config2, Callback2, Req, TransferRes, LocalAccess, NextBlockNo); - false -> - Code = badblk, - Text = "Too big transfer ID = " ++ - integer_to_list(NextBlockNo) ++ " > 65535", - {undefined, Error} = - callback({abort, {Code, Text}}, Config, Callback, Req), - send_msg(Config, Req, Error), - terminate(Config, Req, ?ERROR(read, Code, Text, Req#tftp_msg_req.filename)) - end. + NextBlockNo = (BlockNo + 1) rem 65536, + Reply = #tftp_msg_data{block_no = NextBlockNo, data = Data}, + {Config2, Callback2, TransferRes} = + transfer(Config, Callback, Req, Reply, LocalAccess, NextBlockNo, Prepared), + ?MODULE:common_loop(Config2, Callback2, Req, TransferRes, LocalAccess, NextBlockNo). -spec common_write(#config{}, #callback{}, _, 'write', integer(), integer(), _, #prepared{}) -> no_return(). @@ -716,21 +705,10 @@ common_write(Config, Callback, Req, _, ExpectedBlockNo, ActualBlockNo, Data, Pre common_ack(Config, Callback, Req, LocalAccess, BlockNo, Prepared) when is_record(Prepared, prepared) -> Reply = #tftp_msg_ack{block_no = BlockNo}, - NextBlockNo = BlockNo + 1, + NextBlockNo = (BlockNo + 1) rem 65536, {Config2, Callback2, TransferRes} = transfer(Config, Callback, Req, Reply, LocalAccess, NextBlockNo, Prepared), - case NextBlockNo =< 65535 of - true -> - ?MODULE:common_loop(Config2, Callback2, Req, TransferRes, LocalAccess, NextBlockNo); - false -> - Code = badblk, - Text = "Too big transfer ID = " ++ - integer_to_list(NextBlockNo) ++ " > 65535", - {undefined, Error} = - callback({abort, {Code, Text}}, Config, Callback2, Req), - send_msg(Config, Req, Error), - terminate(Config, Req, ?ERROR(read, Code, Text, Req#tftp_msg_req.filename)) - end. + ?MODULE:common_loop(Config2, Callback2, Req, TransferRes, LocalAccess, NextBlockNo). pre_terminate(Config, Req, Result) -> if |