Add shell vty helper

Yet another vty helper that opens vtys in tmux - this one
is more related to PS service.

modules/rhizo_base/templates/rccn-functions.sh.erb

@@ -121,6 +121,43 @@ vt ()
   tmux attach -t vtys ;
 }
 
+vtps ()
+{
+    tmux has-session -t vty_ps 2> /dev/null;
+    if [ $? -eq 0 ]; then
+        tmux a -t vty_ps
+        return;
+    fi;
+    tmux start-server;
+    tmux new -s vty_ps -d -n VTY;
+    for vty in msc sg hlr;
+    do
+        if [ "$vty" == "msc" ]; then
+            pane=0;
+        fi;
+        if [ "$vty" == "hlr" ]; then
+            pane=2;
+        fi;
+        if [ "$vty" == "sg" -o "$vty" == "hlr" ]; then
+            split=h;
+        else
+            split=v;
+        fi;
+        tmux split-window -t $pane -$split "vty $vty $*";
+    done;
+    tmux select-pane -t:.0;
+    tmux send "b0 /usr/local/bin/pcu" C-m
+    tmux select-pane -t:.1;
+    tmux send "show mm-context all" C-m
+    tmux select-pane -t:.2;
+    tmux send "show subscriber cache" C-m
+    tmux select-pane -t:.3;
+    tmux send "show subscribers last-seen" C-m
+    tmux select-pane -t:.0;
+    tmux send "show ms all" C-m
+    tmux attach -t vty_ps
+}
+
 bA() {
   source /home/rhizomatica/bin/vars.sh
   tmux has-session -t bts 2>/dev/null