make smpirun guess the hostfile for cluster tags too

[simgrid.git] / src / smpi / smpirun.in

diff --git a/src/smpi/smpirun.in b/src/smpi/smpirun.in
index 67e4624..570d1ed 100755 (executable)
--- a/src/smpi/smpirun.in
+++ b/src/smpi/smpirun.in
@@ -225,6 +225,20 @@ if [ -z "${HOSTFILE}" ] ; then
     HOSTFILETMP=1
     HOSTFILE="$(mktemp tmphostXXXXXX)"
     perl -ne 'print "$1\n" if /.*<host.*?id="(.*?)".*?\/>.*/' ${PLATFORM} > ${HOSTFILE}
+    perl -ne 'if (/.*<cluster.*?prefix="(.*?)".*?radical="(.*?)".*?suffix="(.*?)".*/) { 
+                my ($pre,$rad,$post)=($1,$2,$3); 
+               for my $elm (split(",",$rad)) { 
+                 if ($elm=~/^([^-]*?)-([^-]*)$/) { 
+                    for (my $i=$1; $i<=$2;$i++) { 
+                       print "$pre$i$post\n"; 
+                    }
+                 } else {
+                    print "$pre$elm$post\n";
+                 }
+               }
+             } elsif (/<cluster/) {
+               die ("Unparsable cluster tag. Either provide an hostfile yourself or give the attributes prefix, radical and suffix in that order on the <cluster line");
+             }' ${PLATFORM} >> ${HOSTFILE}
 fi
 UNROLLEDHOSTFILETMP=0