
G&R
-DU, -USR, -USERID xxxxxx
qsim -li dsa -du mmluser
This parameter defines the default userid for the mainframe.
-DX, -EXT xxxx
qsim -li dsa -hm cxi -dx gr01
This parameter defines the default mailbox extension for the mainframe. The
mailbox extension is used when connecting to CXI (GCOS8) subsystems such
as TP8 (CXI requires that -HM CXI be set), and will normally contain the
LID (Logical ID). The mailbox extension can be up to 4 characters long.
Flow control parameters
You can use the following parameters to ‘throttle’ host output, and prevent
accumulation of large amounts of unprocessed data on the client side, where it
might be lost in case of a client failure.
-EE on/OFF (DSA200 to GCOS8 only)
qsim -li dsa -ee on
This enables end-to-end-ACK. The line handler attempts to negotiate EEACK
with the DAC or DAC-Q gateway. If successful Gline acknowledges DSA
records that request it by sending the required ACK as an OSI session
expedited message. EEACK is designed to delay further mainframe output until
the current block has been processed. It is often used by applications that send
print reports to slow ROP printers connected to the front-end, to stop
accumulation of unprocessed print blocks. Normally G&R products can process
blocks faster than the line speed so this is never necessary.
-DEE on/OFF (DSA200 to GCOS8 only)
gspool -ts -li dsa -dee on
The line handler attempts to negotiate EEACK with the DAC or DAC-Q
gateway, but it converts it to a ‘turn’ based mechanism on the client side. If
successful Gline will convert any received DSA record that requests an ACK to
be an EGI (End of Group) record, giving the ‘turn’ to the G&R application.
When the application replies Gline will ACK the previous record. This will
stop accumulation of unprocessed host output in the Gline buffers.
Gline Line Handlers and Configuration
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