📄 ppp-test-script.html
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><H1
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><A
NAME="PPP-TEST-SCRIPT"
>Test Script</A
></H1
><P
>The PPP package additionally contains a shell script
(<B
CLASS="COMMAND"
>test_server.sh</B
>) that may be used to operate the
remote end of a PPP test link.</P
><P
>The script may be invoked with the following arguments:</P
><P
></P
><DIV
CLASS="VARIABLELIST"
><DL
><DT
><TT
CLASS="LITERAL"
>--dev=<devname></TT
></DT
><DD
><P
>This mandatory option gives the name of the device to be used for the
PPP link. Typically <TT
CLASS="LITERAL"
>"/dev/ttyS0"</TT
> or
<TT
CLASS="LITERAL"
>"/dev/ttyS1"</TT
>.</P
></DD
><DT
><TT
CLASS="LITERAL"
>--myip=<ipaddress></TT
></DT
><DD
><P
>This mandatory option gives the IP address to be attached to this end
of the PPP link.</P
></DD
><DT
><TT
CLASS="LITERAL"
>--hisip=<ipaddress></TT
></DT
><DD
><P
>This mandatory option gives the IP address to be attached to the
remote (test target) end of the PPP link.</P
></DD
><DT
><TT
CLASS="LITERAL"
>--baud=<baud_rate></TT
></DT
><DD
><P
>This option gives the baud rate at which the PPP link is to be run. If
absent then the link will run at the value set for
<TT
CLASS="LITERAL"
>--redboot-baud</TT
>.</P
></DD
><DT
><TT
CLASS="LITERAL"
>--redboot</TT
></DT
><DD
><P
>If this option is present then the script will look for a
<TT
CLASS="LITERAL"
>"RedBoot>"</TT
> prompt between test runs. This is
necessary if the serial device being used for testing is also used by
RedBoot.</P
></DD
><DT
><TT
CLASS="LITERAL"
>--redboot-baud=<baud_rate></TT
></DT
><DD
><P
>This option gives the baud rate at which the search for the RedBoot
prompt will be made. If absent then the link will run at 38400 baud.</P
></DD
><DT
><TT
CLASS="LITERAL"
>--debug</TT
></DT
><DD
><P
>If this option is present, then the script will print out some
additional debug messages while it runs.</P
></DD
></DL
></DIV
><P
>This script operates as follows: If the <TT
CLASS="LITERAL"
>--redboot</TT
>
option is set it sets the device baud rate to the RedBoot baud rate
and waits until a <TT
CLASS="LITERAL"
>"RedBoot>"</TT
> prompt is encountered.
It then sets the baud rate to the value given by the
<TT
CLASS="LITERAL"
>--baud</TT
> option and reads lines from the device until
a recognizable test announce string is read. It then executes an
appropriate set of commands to satisfy the test. This usually means
bringing up the PPP link by running <B
CLASS="COMMAND"
>pppd</B
> and maybe
executing various commands. It then either terminates the link itself,
or waits for the target to terminate it. It then goes back to looking
for another test announce string. If a string of the form
<TT
CLASS="LITERAL"
>"BAUD:XXX"</TT
> is received then the baud rate is
changed depending on the <TT
CLASS="LITERAL"
>XXX</TT
> value. If a
<TT
CLASS="LITERAL"
>"FINISH"</TT
> string is received it returns to waiting
for a <TT
CLASS="LITERAL"
>"RedBoot>"</TT
> prompt. The script repeats this
process until it is terminated with a signal.</P
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