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What's new in release 3.00 Release date: 2 October 2003 * Dynamically loaded module support for devices, instructions, and operator console panels (Jan Jaeger, David "Fish" Trout, Ivan Warren) * Shared and remote DASD support (Greg Smith) * z990 (ALS4) instruction support (Roger Bowler, Jan Jaeger, Bernard van der Helm) * HFP Multiply-Add/Subtract Facility (Roger Bowler) * Long Displacement Facility (Roger Bowler) * Simplified network adapter specifications (David "Fish" Trout, Jim Pierson) * New device emulations: 2703, 3410, 3490, 9347 (Ivan Warren) * ECPS:VM support (Ivan Warren) * Reworked process priority handling (Mark Gaubatz) * Greatly improved interval timer resolution (Mark Gaubatz) * Internal consistency checking improvvements (Greg Smith) * Corrected 3270 session disconnect processing (Ivan Warren) * Instruction disassembler in control panel (Jan Jaeger) * Tape read backward fixes (Jay Jaeger) * Fix for double memory consumption bug on Windows (Mark D., David "Fish" Trout) * OMA tape processing fixes (Ivan Warren) * Message logging restructuring (Jan Jaeger, David "Fish" Trout) * S/370 I/O race condition fixes (Victor Shkamerda, Greg Smith) * Manual pages for some commands (Jim Morrison)
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Preliminary 2703 BSC Support | ||
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Only allows Point to Point connection. | ||
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Hercules device statement : | ||
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CCUU 2703 lport=port lhost=host rhost=host rport=port dial=IN|OUT|INOUT|NO | ||
[pto=nnn|0|-1] [rto=nnn|0|-1] [eto=nnn|0|-1] | ||
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lport : the local TCP port number or service name on which the line will listen | ||
for incoming TCP calls | ||
This parameter is irrelevant and is ignored for DIAL=OUT | ||
for DIAL=IN|INOUT|NO, this parameter is mandatory | ||
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cwlhost : The local interface IP address on which to listen. | ||
if not specified, all interfaces will be used. | ||
ex: | ||
lhost=127.0.0.1 : Only accept calls from local host | ||
lhost=192.168.0.1 : Only accept calls from hosts | ||
that can be routed through the interface | ||
that has an IP address of 192.168.0.1 | ||
If there is no 192.168.0.1 local IP address, | ||
this will fail. | ||
This parameter is irrelevant and is ignored for DIAL=OUT | ||
for DIAL=IN|INOUT|NO, this parameter is mandatory | ||
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rhost : the remote host ip address or name | ||
This parameter is irrelevant and is ignored for DIAL=IN | ||
for DIAL=OUT|INOUT|NO, this parameter is mandatory | ||
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rport : the remote port number or service name | ||
This parameter is irrelevant and is ignored for DIAL=IN | ||
for DIAL=OUT|INOUT|NO, this parameter is mandatory | ||
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rto, pto, eto : Read, Poll and Enable Timeout values in miliseconds. | ||
specifying 0 means No Timeout (infinite wait). -1 Means immediate | ||
timeout. | ||
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The read timeout is how long the handler will wait for an ending | ||
character after the last character was received or the I/O initiated. | ||
The read timeout default is 3000 Miliseconds (3 Seconds) | ||
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The poll timeout is how long the handler will wait for a polled | ||
station to respond to a poll request. | ||
The poll timeout default is 3000 Miliseconds (3 Seconds) | ||
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The enable timeout is how long the handler will wait for the TCP | ||
connection to be established. | ||
The enable timeout default is 10000 Miliseconds (10 Seconds), except | ||
if DIAL=NO is also specified, in which case the enable timeout defaults | ||
to 0. | ||
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Note : the ETO parameter is ignored if DIAL=NO is not specified. | ||
for a dialed line, there is no enable timeout. If the eto | ||
parameter is specified and DIAL is not "NO", then a warning message | ||
is issued and the parameter is ignored. | ||
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dial=IN|OUT|INOUT|NO | ||
Indicate call direction (if any). | ||
This parameter also modifies the behaviour of certain CCWS | ||
as well as TCP incoming call handling : | ||
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ENABLE : | ||
DIAL=IN|DIAL=INOUT | ||
Wait forever for an incoming call | ||
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DIAL=NO | ||
Completes immediatelly if a call | ||
is already present | ||
Otherwise, attemps connecting to the | ||
remote end | ||
if the call fails, ENABLE exits with | ||
Int Req status | ||
DIAL=OUT | ||
Enable is not a valid CCW for a DIALOUT | ||
only line | ||
DIAL : | ||
DIAL=IN|DIAL=NO | ||
DIAL is not a valid CCW for a DIAL IN | ||
or non-switched line | ||
DIAL=OUT|DIAL=INOUT | ||
The outgoing call is attempted | ||
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Incomming TCP call : | ||
In any case, if a call is already present, the | ||
call is rejected. | ||
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DIAL=NO : | ||
The call is accepted, even if no CCW is | ||
currently executing | ||
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DIAL=OUT : | ||
The call is rejected | ||
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DIAL=IN|DIAL=INOUT | ||
The call is accepted if the line is currently | ||
executing an ENABLE ccw. | ||
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The communication protocol : | ||
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The communication protocol is basic. Every character written | ||
by the guest program with a WRITE CCW is transfered to the | ||
remote end, untranslated and untouched (except for Transparent | ||
BSC rules which deem that DLE characters are doubled when the | ||
program has previously written a DLE/STX sequence). | ||
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Dial data format | ||
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Dial data is originally as follows : | ||
x x x x 0 0 0 0 : Dial # 0 | ||
......... | ||
x x x x 1 0 0 1 : Dial # 9 | ||
x x x x 1 1 0 0 : EON | ||
x x x x 1 1 0 1 : SEP | ||
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In order to perform an outgoing call, | ||
the data must follow these specifications : | ||
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N[N[N]]SEPN[N[N]]SEPN[N[N]]SEPN[N[N]]]SEPN[..[N]][EON] | ||
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Where N is any dialing number from 0 to 9 and SEP | ||
is the separator. | ||
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The 4 first group of digits represet the IP address. | ||
The last group represent a TCP port number. | ||
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For example (* is the SEP character representation) : | ||
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192*168*0*1*8888 : will issue a TCP connection to | ||
192.168.0.1 port 8888 | ||
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The EON is optional. If it is present, it must be the | ||
last character of the dial data. | ||
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Bugs, Caveats | ||
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The Address Prepare is not implemented | ||
The POLL CCW Has not been tested | ||
Group DIAL IN is not implemented | ||
DIAL CCW Not tested | ||
There is 1 thread per line, when there should be 1 thread for ALL lines. | ||
MAXDEVT may have to be adjusted under WINDOWS to accomodate for a large number of lines | ||
(because some I/O may take an undefinite amount of time). | ||
There is no 'REAL' Bsc line support yet. |
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B u i l d i n g H e r c u l e s | ||
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If you're simply trying to figure out how to build Hercules from the | ||
distributed source files (i.e. NOT from the CVS sources), then skip | ||
to the "Building Hercules" section further below. | ||
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BUILD PREPARATION | ||
----------------- | ||
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In order to build Hercules from the CVS sources, you must have installed: | ||
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Package Version (or greater!) | ||
---------------------------------- | ||
autoconf 2.50 (or greater!) | ||
automake 1.5 (or greater!) | ||
flex 2.5 (or greater!) | ||
gawk 3.0 (or greater!) | ||
gcc 2.95 (or greater!) | ||
gettext 0.11 (or greater!) | ||
grep 2.5 (or greater!) | ||
libiconv 1.8 (or greater!) | ||
libintl 0.10 (or greater!) | ||
m4 0.0 (or greater!) | ||
make 3.79 (or greater!) | ||
perl 5.6 (or greater!) | ||
sed 3.02 (or greater!) | ||
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All of these tools can be found at www.gnu.org in source code form, and | ||
are also widely available in packaged form (RPM, DEB, Solaris packages, | ||
etc.). | ||
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Once you have these tools installed, simply enter the command: | ||
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sh ./autogen.sh | ||
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This will, among other things, create you a shell script called "configure". | ||
The resulting configure script (created by the above 'autogen' command) is | ||
then what you use to build Hercules with. (It will probably create a bunch | ||
of other directories and files too, but we're mostly concerned about the | ||
configure script). | ||
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Note: even though the CVS sources already come with a configure script, it | ||
may or may not be current/correct, so you should always run autogen at least | ||
one time after checking out the current source from CVS. Once you've run | ||
autogen once though, then you shouldn't need to ever run it again (unless | ||
another developer changes something, but they should let you know if they | ||
do). | ||
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BUILDING HERCULES | ||
----------------- | ||
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Now that a 'configure' script has been built for us, let's use it! :) | ||
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(Note: if you're simply trying to build Hercules from the distributed | ||
source files (i.e. NOT from the CVS sources), then just use the 'configure' | ||
script that should have been included with the source distribution tarball.) | ||
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Before you trying using the configure script, you may wish to review | ||
the information in the INSTALL file. It contains generic installation | ||
instructions for how to build/install most any package. The instructions | ||
there pertain just as much to Hercules as they do to any other package. | ||
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Since the information there is pretty detailed however, rather than try | ||
to slog your way through it all, you may wish to first review the below | ||
summarized version first. | ||
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Briefly, the way you build Herc is to first "configure" the building | ||
process and then invoke your pre-configured building process. The build | ||
process basically consists of a 'make' command which processes a 'makefile'. | ||
The makfile however needs to be customized for your system. That's what | ||
the "configure" script does. It contructs a customized makefile and that | ||
is what is meant by "configuring your building process". | ||
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Here's the entire build process step-by-step: | ||
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To build Herc, first switch to the directory where the source files | ||
are and then configure the build process by entering the following | ||
command: | ||
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./configure | ||
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(Note: you may or may not wish to enter additional parameters | ||
to the configure command. See further below) | ||
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Then simply invoke your pre-configured build process by entering | ||
the following command: | ||
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make | ||
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That's it! The 'make' command should build Hercules for you. After | ||
it's been built, you may or may not wish to "install" it. | ||
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To "install" Hercules into the default package installation | ||
directory after building it, enter the following command: | ||
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make install | ||
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That will copy the just built binaries to their proper place. | ||
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To uninstall Hercules once it's been installed, simply enter the | ||
command: | ||
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make uninstall | ||
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and the previously copied files will be removed (deleted). | ||
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Note: you may or may not wish to add some additional parameters to | ||
the above mentioned "configure" command. One of the more common ones | ||
for those who are building Herc under Cygwin is "--enable-fthreads". | ||
Enter "./configure --help" for more information regarding the various | ||
parameters that Hercules's customized "configure" script supports | ||
for building Hercules. | ||
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-- | ||
Matt Zimmerman <mdz@debian.org> | ||
08 Oct, 2001 | ||
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updated in detail by: | ||
"Fish" (David B. Trout) | ||
30 Jul, 2002 |
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