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+---------------+
! d i g i t a l ! I N T E R O F F I C E M E M O R A N D U M
+---------------+
To: All Interested Parties
Date: 29 October, 1979
From: Peter Mierswa
Dept: NCSS
Loc: MR1-2/H22
Ext: 4263
Subj: IBMCON DN6x statistics logger for TOPS20 Rel 4
The DN64 software available with TOPS20 Release 3A automatically
made entries in the system log file, ERROR.SYS providing notification of
the enabling and disabling of lines and periodic statistics reports. In
release 4 of TOPS20 the DN6x software has been integrated into Galaxy,
but the code to enter statistics into the system error file was not
included. The program IBMCON provides this service in release 4 of
TOPS20 for both the KS and KL processors.
To: All Interested Parties Page 2
USING IBMCON
USING IBMCON
IBMCON obtains the status of the front end solely by use of the
monitor interface to the DTE. Since IBMCON does not rely on other DN6x
components running in the mainframe it must periodically examine or poll
the front end to collect statistics and determine status changes. This
polling can affect performance. Only run IBMCON periodically when you
need to collect statistics or when the hardware is suspect.
To run IBMCON you must be an enabled user with wheel or operator
capabilities. If you are not enabled or you do not have wheel or
operator capabilities, the enable command will always report that the
front end is not running. IBMCON provides command recognition and
prompting and defaults most arguments. The minimum interaction
necessary to begin data gathering is the enable command and port number.
COMMANDS
DISABLE (polling on port) port number
The DISABLE command stops IBMCON from polling the specified port,
thus stopping all data gathering for all lines on that port. The port
number must be specified, it has no default. When IBMCON is run on a KS
processor, the port number is restricted to 10 or 11. Ports 10 and 11
refer to the DN22 running on synchronous lines KDP_0_0 and KDP_0_1
respectively. When running on a KL, the port number is restricted to
the range 11-13. Ports 11-13 refer to the DN20 running on DTE'2 1-3
respectively.
ENABLE (polling on port) port number (interval) minutes between polling
The ENABLE command starts polling on the specified port for the
specified interval. After each interval has passed, IBMCON examines all
lines on the front end associated with the specified port to determine
if they have become active (the node to which they connect has become
enabled) or inactive (the node to which they connect has become
disabled). When a line becomes active or inactive an entry is made in
ERROR.SYS. Statistics entries are made in ERROR.SYS for all active
lines. The default polling interval is 10 minutes. Note that when
IBMCON is started it will make a NODE HAS ENABLED entry even if the node
had been up for some time. Also note that the timestamp for the NODE
ENABLED or DISABLED entries reflects the time that IBMCON first saw the
node active, not the exact time at which the node was enabled.
EXIT
The EXIT command causes IBMCON to exit to EXEC command level.
SET (logging interval on line) line number (port) port number
(interval) minutes between logging
To: All Interested Parties Page 3
USING IBMCON
The SET command changes the default logging interval on a line by
line basis. The logging interval is the time between statistics entries
for all active lines on enabled ports. The default logging interval is
60 minutes. Note that this command must be entered separately for each
line which is to have a logging interval different from the default.
WAIT (forever)
The wait command causes IBMCON to run without an outstanding input
wait for commands. Following the wait command, no prompt is issued and
no command will be processed. The WAIT command allows the user to run
IBMCON in batch.
EXAMPLES
Run IBMCON to collect hourly statistics for all active lines on the
DN20 on DTE 1 on a KL. Poll every 10 minutes to look for changes in
line status.
@ENABLE
$IBMCON
IBMCON>ENABLE (polling on port) 11
IBMCON>
Run IBMCON to collect statistics for all active lines on the DN22
on KDP_0_1 on a KS every 30 minutes. Poll every 5 minutes to look for
changes in line status. Only lines 0 and 1 are installed in the DN22.
@ENABLE
$IBMCON
IBMCON>SET (logging interval on line) 0 (port) 11 (interval) 30
IBMCON>SET (logging interval on line) 1 (port) 11 (interval) 30
IBMCON>ENABLE (polling on port) 11 (interval) 5
IBMCON>
ERROR MESSAGES
PORT port number IS NOT ENABLED
An attempt was made to disable a port which was not enabled.
PORT port number IS ALREADY ENABLED
An attempt was made to enable a port which was already enabled.
MORE LINES actual number of lines ON PORT THAN ALLOWED max number
More lines were found on the enabled port than are allowed for by
IBMCON. IBMCON will truncate the number of lines watched to its own
maximum number (6).
To: All Interested Parties Page 4
USING IBMCON
PORT port number NOT RUNNING
This error message is printed whenever IBMCON cannot determine the
status of the front end. It is printed if the port is not running or if
the user is not an enabled wheel or operator.
SYERR JSYS FAILED
The JSYS failed which enters entries into the system error file,
ERROR.SYS.
UNABLE TO SET TIMER INTERRUPT
The TIMER JSYS failed.
To: All Interested Parties Page 5
ENTRY FORMATS
SYSERR ENTRY FORMATS
Following are the formats of the entries made in the system error
file.
This is a description of the SYSERR entry header. The body
descriptions follow later.
+===================================================+
! Code ! n/u ! T ! Version ! 4 ! Length !
+---------------------------------------------------+
! Date and time in Universal date/time format !
+---------------------------------------------------+
! System uptime !
+---------------------------------------------------+
! Processor serial number !
+===================================================+
DEFSTR (SYCOD,0,8,9) ; Event code
DEFSTR (SYT20,0,17,1) ; Entry was created by TOPS20
DEFSTR (SYVER,0,23,6) ; SYSERR entry type version number
DEFSTR (SYHLN,0,26,3) ; Header length (currently 4)
DEFSTR (SYLEN,0,35,9) ; Length of entry (w/o header)
DEFSTR (SYDAT,1,35,36) ; Date and time of this entry
DEFSTR (SYUPT,2,35,36) ; System uptime days,,fraction of day
DEFSTR (SYPSN,3,35,36) ; Proc. serial number of recording CPU
.SYDAT==4 ; Offset to data portion of entry
To: All Interested Parties Page 6
ENTRY FORMATS
Data format for SYSERR code 233
+===================================================+
! Port number ! Line number !
+---------------------------------------------------+
! Status string !
/ /
/ /
+===================================================+
The line status string is returned as an 8 bit byte string packed 4
bytes left justified in a 36 bit word. In each byte the bit numbering
is bit 0 to the right (LSB) and bit 7 to the left (MSB). Any 16 bit
values have the 8 bit bytes that make it up swapped. So before these
bits defined below are valid, the bytes have to be swapped back again.
7 0 15 8 7 0 15 8 Bit no.'s in
! ! ! ! ! ! ! ! 11's word
+------------------------------------------+
! byte 0 ! byte 1 ! byte 2 ! byte 3 ! ! Byte no. in
+------------------------------------------+ 11's word
! 11-word 0 ! ! 11-word 1 ! ! 11 word no.'s
0 15 16 31 35 Bit no.'s in
-10's word
Line status [ 70 (8 bit) bytes, 18 (36 bit) words ]
Byte Meaning
---- -------
0 Terminal type: 0 = unknown, 1 = 3780, 2 = 2780, 3 = HASP
1-2 Flags: bit 0 set = simulate, clear = support
bit 1 set = primary BSC protocol,
clear = secondary
bit 2 set = signed on
bit 3 set = transparent
bit 4 set = disable in progress
bit 5 set = line enable complete
bit 6 set = line abort complete
bit 7 set = off line (2780/3780 only)
bit 8 set = line disable complete
bit 9 set = disable done by DTE failure
bit 10 set = Line aborted by hardware failure
bit 11 set = Communications established
3 Line info:
bit 0 set = line is enabled
bit 1 set = DTR (data terminal ready)
bit 2 set = DSR (data set ready)
4-5 Count of DQ11/DUP11 error interrupts
6-7 DQ11/DUP11 status register 1 at last error
8-9 DQ11/DUP11 status register 2 at last error
10-11 Count of times receiver wasn't fast enough
To: All Interested Parties Page 7
ENTRY FORMATS
12-13 Count of times transmitter wasn't fast enough
14-15 Count of CTS (clear to send) failures
16-17 Count of message sent and ACK'ed
18-19 Count of NAK's received (+wrong ack after timeout)
20-21 Count of invalid responses to TTD
22-23 Count of invalid responses to messages
24-25 Count of TTD's sent
26-27 Count of WACK's received in response to messages
28-29 Count of EOT's (aborts) in response to messages
30-31 Count of invalid bids of responses to bids
32-33 Count of RVI's received while transmitting
34-35 Count of message received ok
36-37 Count of bad BCC's
38-39 Count of NAK's sent in response to data messages
40-41 Count of WACK's sent
42-43 Count of TTD's received
44-45 Count of EOT's sent or received which abort the stream
46-47 Count of messages ignored (out of chunks, unrecognizable
or timeout)
48-49 Count of transparent msg with an invalid char after DLE
50-51 Count of attempts to change between transparent and
normal mode in a blocked message
52-53 Count of transmitter timeouts
54-55 Clear to send delay in jiffies
56-57 Count of silo overflows
58-59 Number of bytes in silo warning area (usually 64,
must be even)
60-61 Max number of bytes used in silo warning area since
set last
62-63 Max bytes per message
64-65 Number of records per message
66-67 Line signature
68-69 Line driver type: 1=DQ11, 2=KMC11/DUP11, 3=DUP11 w/o KMC
To: All Interested Parties Page 8
ENTRY FORMATS
Format for SYSERR code 234
Node enable/disable
+=======================================================+
! ! Enable/disable code !
+-------------------------------------------------------+
! Node name in sixbit * !
+-------------------------------------------------------+
! Port ! Line !
+=======================================================+
! Flags ! Station type !
+-------------------------------------------------------+
! Clear to send delay (in jiffies) !
+-------------------------------------------------------+
! Silo warning level (in bytes) !
+-------------------------------------------------------+
! Bytes per message !
+-------------------------------------------------------+
! Records per message !
+-------------------------------------------------------+
! Line signature !
+=======================================================+
Where
Enable/disable code is:
.CNENB = 1 Enable the line
.CNDIS = 2 Disable the line (hang-up)
Node name is the sixbit name that GALAXY uses for the node
* IBMCON cannot determine the node name, because it does
not communicate with Galaxy. The contents of this field
are indeterminate.
Port and line number uniquely describe the synchronous line
talking to IBM node
Flags are:
CN$TRA = 1b15 Transparency enabled
CN$PSP = 1b16 Primary protocol if 1,
secondary if 0
CN$ETF = 1b17 Emulation mode if 1,
termination if 0
Station type is:
SL378 = 1 3780 protocol
SL278 = 2 2780 protocol
SLHSP = 3 HASP multileaving protocol
To: All Interested Parties Page 9
ENTRY FORMATS
Clear to send delay is a 16 bit value in jiffies.
Bytes per message and silo warning level are 16 bit values
in bytes.
Records per message is a 16 bit value in records.
Line signature is a 16 bit value of no dimensions, used for
identification only.
NED.CD==.SYDAT+0 ; Enable/disable code
NED.NM==NED.CD+1 ; Node name
NED.ID==NED.NM+1 ; Port,,line (ID)
NED.FL==NED.ID+1 ; Flags,,type
NED.CS==NED.FL+1 ; Clear to send delay
NED.SW==NED.CS+1 ; Silo warning level
NED.BM==NED.SW+1 ; Bytes per message
NED.RM==NED.BM+1 ; Records per message
NED.SG==NED.RM+1 ; Line signature
NED.SZ==^d9 ; Size of entry w/o header
NED.SH==^d3 ; Short entry for disable
To: All Interested Parties Page 10
INSTALLATION
Following the installation procedures described in the IBM
Emulation/Termination manual (AA-5095B-TM) is sufficient for installing
IBMCON. IBMCON requires no setup procedure or data files; only the
executable file IBMCON.EXE is required.
Rebuilding IBMCON requires that the following files from the Galaxy
distribution tape can be found in the DSK: search path. The versions
of the files from the Galaxy tape used to build IBMCON must correspond
to the versions of the files used to build the Galaxy which runs on the
same system as IBMCON.
GLXINI.REL
OPRPAR.REL
GLXMAC.UNV
QSRMAC.UNV
ORNMAC.UNV
Rebuilding IBMCON also requires that these files from the DN6x tape
can be found in the DSK: search path:
IBMCON.MAC
D60HOK.MAC
D60UNV.UNV
D60JSY.MAC
Executing the following steps will rebuild IBMCON.EXE:
@COMPILE D60HOK+D60JSY D60HOK.REL
@LOAD IBMCON
@SAVE