
VTCPD Features User Manual
Page 110 P0602483 Ver: 03.41
VTCPD Features User Manual
• There are two servers on the host side, but one only receives requests from
applications and another one only replies.
Open two connections and always use the first one for writing by specifying
CHANNEL(1) in the Get resource block. The daemon command line option -
m d will allow the application to receive replies from a different link:
vtcpd -l server:9000 -l server:9001 -m d...
• Conditions intertimeout or ertimeout sometimes arrive after the
application receives data from the host, disrupting the execution.
Timing service is provided by the vastimer, in releases prior to 5.1.2.
Because of this, the possibility of race conditions exists. To avoid it always,
use
IGNORE condition intertimeout ertimeout
As soon as data is received from the host.
• What does this message mean?
VTCPD05 [MPS 7, PID 4067, port 133, Dec 13
16:41:08.230]: Got and closed UNNEEDED Host
'148.185.40.22:3003' connection #2 [socket 13]
VTCPD was started in a server mode and specified a certain number of
connections to accept by -l option: vtcpd -nVTCPD05 -v7 -s133
-l 3003 -f 402 -p 1 -a 248. However, a connect to VTCPD
was attempted and the number of open connections exceeded the
specified maximum. Either increase the number by -l option (e.g. -l
48:3003) or guarantee that the clients follow some connection
discipline.
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