Denso Power Net Terminal BHT-103 Dokumentacja Pobierz pdf (Strona 448)

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Note for run-time error 105h

Socket close processing (SOCKET.FN3, Function #28) following occurrence of run-time error

105h would not complete immediately. This is because a FIN packet will be transmitted repeat-

edly in the socket close processing until the communications device receives any response

from the server independent of the power on/off state of the communications device.

The socket close processing period may be shortened by changing the retry count that deter-

mines the number of FIN packet retransmission times and is controlled by

SOCKET.FN3,

function #24, option #26.

(Example)

Sock.Err: ’Socket error-handling routine

print "ERR:";hex$(err.code%) ’Display error code

print "ERL:";hex$(err.line%) ’Display error line number

if sock.stts%>=3 then ’If OK until socket generation,

optname%=26 ’set retry count

option=0 ’No retry (transmit once)

call "socket.fn3" .fcSSckOpt sockfd%,optname%,option

call "socket.fn3" .fcClose sockfd% ’Close socket

end if

if sock.stts%>=2 then ’If OK until connection of TCP/IP

’communications pathway,

call "socket.fn3" .fcTDiscnn interface% ’Disconnect the pathway

end if

if sock.stts%>=1 then ’If OK until opening the spread

’spectrum communications device,

close #hCom3% ’close the device

end if

goto main ’To main program

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