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.\" ========================================================================
.\"
.IX Title "UDPLSI 1"
.TH UDPLSI 1 "2014-07-08" "perl v5.20.1" "LTP executables"
.\" For nroff, turn off justification.  Always turn off hyphenation; it makes
.\" way too many mistakes in technical documents.
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.nh
.SH "NAME"
udplsi \- UDP\-based LTP link service input task
.SH "SYNOPSIS"
.IX Header "SYNOPSIS"
\&\fBudplsi\fR {\fIlocal_hostname\fR | @}[:\fIlocal_port_nbr\fR]
.SH "DESCRIPTION"
.IX Header "DESCRIPTION"
\&\fBudplsi\fR is a background \*(L"daemon\*(R" task that receives \s-1UDP\s0 datagrams via a
\&\s-1UDP\s0 socket bound to \fIlocal_hostname\fR and \fIlocal_port_nbr\fR, extracts \s-1LTP\s0
segments from those datagrams, and passes them to the local \s-1LTP\s0 engine.
Host name \*(L"@\*(R" signifies that the host name returned by \fIhostname\fR\|(1) is to
be used as the socket's host name.  If not specified, port number defaults
to 1113.
.PP
The link service input task is spawned automatically by \fBltpadmin\fR in
response to the 's' command that starts operation of the \s-1LTP\s0 protocol;
the text of the command that is used to spawn the task must be provided
as a parameter to the 's' command.  The link service input task is
terminated by \fBltpadmin\fR in response to an 'x' (\s-1STOP\s0) command.
.SH "EXIT STATUS"
.IX Header "EXIT STATUS"
.ie n .IP """0""" 4
.el .IP "``0''" 4
.IX Item "0"
\&\fBudplsi\fR terminated normally, for reasons noted in the \fBion.log\fR file.  If
this termination was not commanded, investigate and solve the problem identified
in the log file and use \fBltpadmin\fR to restart \fBudplsi\fR.
.ie n .IP """1""" 4
.el .IP "``1''" 4
.IX Item "1"
\&\fBudplsi\fR terminated abnormally, for reasons noted in the \fBion.log\fR file.
Investigate and solve the problem identified in the log file, then use
\&\fBltpadmin\fR to restart \fBudplsi\fR.
.SH "FILES"
.IX Header "FILES"
No configuration files are needed.
.SH "ENVIRONMENT"
.IX Header "ENVIRONMENT"
No environment variables apply.
.SH "DIAGNOSTICS"
.IX Header "DIAGNOSTICS"
The following diagnostics may be issued to the \fBion.log\fR log file:
.IP "udplsi can't initialize \s-1LTP.\s0" 4
.IX Item "udplsi can't initialize LTP."
\&\fBltpadmin\fR has not yet initialized \s-1LTP\s0 protocol operations.
.IP "\s-1LSI\s0 task is already started." 4
.IX Item "LSI task is already started."
Redundant initiation of \fBudplsi\fR.
.IP "\s-1LSI\s0 can't open \s-1UDP\s0 socket" 4
.IX Item "LSI can't open UDP socket"
Operating system error.  Check errtext, correct problem, and restart \fBudplsi\fR.
.IP "\s-1LSI\s0 can't initialize socket" 4
.IX Item "LSI can't initialize socket"
Operating system error.  Check errtext, correct problem, and restart \fBudplsi\fR.
.IP "\s-1LSI\s0 can't create receiver thread" 4
.IX Item "LSI can't create receiver thread"
Operating system error.  Check errtext, correct problem, and restart \fBudplsi\fR.
.SH "BUGS"
.IX Header "BUGS"
Report bugs to <ion\-bugs@korgano.eecs.ohiou.edu>
.SH "SEE ALSO"
.IX Header "SEE ALSO"
\&\fIltpadmin\fR\|(1), \fIudplso\fR\|(1), \fIowltsim\fR\|(1)