NetIPC 3000/XL Programmer's Reference Manual (5958-8600)

78 Chapter3
NetIPC Intrinsics
IPCCONTROL
The type of packets returned are:
— 10 = Clear packet received
— 11 = Reset packet received
— 12 = Interrupt packet received
If no event is reported,
readdata contains zeros. If
the error was caused by a clear packet, the
connection is lost, and the user must use
IPCSHUTDOWN to clear the connection. There is no
wrtdata associated with this request.
• 13 = Set no activity timeout (X.25 only.) This
request is only valid on connection sockets. The
wrtdata parameter contains the timeout value in
minutes (16-bit positive integer). If not specified, the
default value of zero will be passed to
wrtdata
disabling the timer. After a timeout, IPCSHUTDOWN
must be used to remove the connection socket. There
is no
readdata associated with this request.
• 14 = Return local node name. If this request is
used, the fully-qualified local node name is returned
in
readdata .
• 15 = Reject a connection request that is in the
deferred state. The VC socket is automatically
deleted after this request.
For X.25, this request causes the protocol to send a
clear packet with the cause field set to zero (DTE
originated) and the diagnostic field set to 64. This
request is valid only over connection sockets in the
connection pending state.
For this request, the
wrtdata parameter can
(optionally) contain information in the format of the
opt parameter used in the other intrinsics. The valid
codes are:
— code 2 — (X.25 only.) This option field contains
data to be sent as user data in the call accepted or
clear indication packet. The maximum length for
X.25 call user data (CUD) is 16 bytes. If the fast
select facility has been used, the maximum
length is 128 bytes.
— code 145 — (X.25 only.) This option field defines
the part of the facility field to be appended to the
facility field built using the received facilities.
The maximum length of this field is 109 bytes.
This buffer has to follow the X.25
recommendation and is appended to the facility