decrease duration for fopen (tcpip-socket) timeout.

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Pratched
Pratched 2018-9-26
编辑： Soc 2020-3-12
Hello everybody,
is there any way to decrease the duration in which matlab will try to 'fopen' to a specific tcpip-defined adress?
ip = ['141.76.14.126' '127.0.0.1'];
port = 1;
instr = tcpip(ip(1),port);
% set(sma,'Timeout',2); % will change the desired 'Timeout'-property, but has no effect
tic
try
fopen(instr);
catch
end
toc
As you may notice the time required between ip(1) and ip(2) differs about 20 s which will be due to timeout of ip(1). Is there any way in matlab to decrease the difference between ip(1) and ip(2)? The commented line is working but does not affect anything.
Any suggestion, even words to search are much appreciated. Thanks in advance.
  1 个评论
Soc
Soc 2020-3-12
编辑：Soc 2020-3-12
Any reason why you're setting 'Timeout' on 'sma', not on 'instr'?
I am also running into this issue: fopen seems to ignore the Timeout property of tcpip objects. It seems that Timeout is only considered for read/write operations but not the initial opening. So far the only workaround I've found is here, which refers to File Exchange timeout. However, this relies on ctrl-c'ing out of the script which is often undesirable.

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