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PMDF's service conversion facility, described in Section 6.4, may be used with BSMTP channels to perform desired message transformations on incoming and outgoing messages.
Usually outgoing BSMTP channels, BSOUT channels, are
configured to perform one sort of service conversion on the messages
they emit, and incoming BSMTP channels, BSIN channels, are
configured to perform the inverse service conversion on messages they
receive. Thus when BSMTP channels are used, the PMDF mapping file would
usually contain a CHARSET-CONVERSION mapping such as:
CHARSET-CONVERSION in-chan=bsout_*;out-chan=*;convert yes in-chan=*;out-chan=bsin_*;convert yes |
CHARSET-CONVERSION entries shown are such as
to enable service conversions for messages sent from BSOUT
channels (such as messages transitting through a BSOUT
channel on their way out to an outgoing TCP/IP channel), as well as for
messages sent to a BSIN channel (such as messages
transitting through a BSIN channel on their way in from an
incoming TCP/IP channel).
Once execution of service conversions has been enabled via a
CHARSET-CONVERSION mapping such as that shown above, the specific
service conversions to be performed must be configured in the PMDF
conversions file. Section 25.2.2 provides examples of configuring
specific service conversions on OpenVMS; Section 25.2.3 provides
examples of configuring specific service conversions on UNIX. Note that
the sample command procedures cited in the examples are available in
the PMDF examples directory,
SMTP channel options, as described in Section 23.1.2, are available,
but most are not of interest in the context of a BSMTP channel. The one
available option which is likely to be of interest is:
PMDF_ROOT:[OLD-doc.examples]
(OpenVMS) or /pmdf/doc/examples/ (UNIX).
25.2.1 BSOUT Channel Option Files
An option file may be used to control characteristics of
BSOUT channels. Such an option file must be named
x_option where x is the
name of the channel, and stored in the PMDF table directory. For
instance, if a channel is named bsout_host1, then its option file would
be PMDF_TABLE:bsout_host1_option. on OpenVMS, or
/pmdf/table/bsout_host1_option on UNIX, or (drive possibly
varying with installation)
C:\pmdf\table\bsout_host1_option on NT.
ATTEMPT_TRANSACTIONS_PER_SESSION (integer)
Set a limit on the number of message files composed into one BSMTP
message.
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