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README

SOFTWARE DEPENDENCIES
---------------------
IBMgtSim depends on:
* autoconf > 2.59
* automake > 1.9.3
* libtool > 1.4.2
* tcl8.3/8.4 (dev-rpm or source)
* OpenSM 1.7.0(or later) and
* ibdm 1.0 or later

During configuration you will need to provide paths to these
packages if not installed in their "standard location".

To do that please provide the following falgs to the configure command:
1. tclsh path
--with-tclsh=<tclsh executable>
E.g.
--with-tclsh=/usr/bin/tclsh8.4

2. OpenSM path:
--with-osm=<path to opensm executable>
E.g.
--with-osm=/usr/mellanox/osm-sim/bin/opensm

3. ibdm path:
--with-ibdm=<path to ibdm installation dir>
E.g.
--with-ibdm=/usr

HOWTO BUILD
-----------

1. bootstrap:
   In a fresh git co directory you need to run ./autogen.sh
   Make sure the autoconf -V is version 2.59 or newer.

2. configure:
   ./configure --with-osm=<opensm install path> --prefix=<where ever you want>

   Optionally you can add:
   --enable-debug --enable-maintainer-mode

   If there there is no IBDM installed on the machine you will need to provide:
   --with-ibdm=<where ever you did install it>

   NOTE: the pointer to the osm install path can be to any osm (not just the
   one compiled with the simulator interface vendor layer. e.g. /usr)

   --enable-maintainer-mode - will enable updating fo teh TCL API (by running
     swig) after modifications to any of the .i files. It also enables update
    of the ibnl_parser.cc, ibnl_parser.h after changes to ibnl_parser.yy and
    similarly updates to ibnl_scanner.cc after modification of ibnl_scanner.ll

   Example:
    ./configure --enable-debug --enable-maintainer-mode \
        --with-osm=/home/eitan/SW/osm/linuxuser/bin/x86/2.6.5/debug \
        --prefix=/home/eitan/SW/cvsroot/IBMgtSim/usr \
        --with-ibdm=/home/eitan/SW/ibdm_build/usr

3. make:
   simply 'make'

4. install:
   make install

The following steps 5-7 describe the manual way to start the Simulator server
and OpenSM. This information is provided mainly for reference, as the most
practical way to run the Simulator is to use RunSimTest which is described in
step 8.

5. run the server:
   setenv IBMGTSIM_DIR <some dir used by the server and its clients>
   set path = ($path <prefix>/bin)
   usr/bin/IBMgtSim -t <topology-file>
   See more options using -h.

6. create some dummy /proc file system for some nodes:
   usr/bin/mkSimNodeDir -n <host-name(H-1)> -g $IBMGTSIM_DIR/ibmgtsim.guids.txt

7. to run OpenSM with the simulator:
   OpenSM with support for a special vendor - i.e. the simulator
   should be built separatly. To do that you need to provide the
   -b sim to the OpenSM install script and also define IBMGTSIMHOME
   pointing to the prefix where the simulator was installed (above the bin
   dir).

   setenv IBMGTSIM_DIR <some dir used by the server and its clients>
   setenv IBMGTSIM_NODE <one of the node names you generated /proc for>

   Invoke OpenSM ...

8. RunSimTest - a script to fire off the simulator and invoke a "simulation"
   flow (in the simulator shell) as well as a "checker" flow that starts OpenSM
   or any other client and validates teh results.

   RunSimTest takes 3 parameters:
   -f <sim flow> = name of a TCL file that runs in the simulator core.
      You can use it to automate tasks like assigning "drop rate" for
      links, disconnecting cables, reassign lids, etc.
   -c <checker flow> = name of a TCL file that starts OpenSM or any
      other client and communicate with the simulator shell via TCP/IP
   -t <topology file> = the file holding the topology definition of the
      fabric to be simulated.

   The directory named "tests" holds several such files. Please see the
   "tests/README" file for more details.
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