Paradiseo-peo sources added

git-svn-id: svn://scm.gforge.inria.fr/svnroot/paradiseo@38 331e1502-861f-0410-8da2-ba01fb791d7f

trunk/paradiseo-peo/src/grid.cpp

@@ -0,0 +1,103 @@
+// -*- mode: c++; c-indent-level: 4; c++-member-init-indent: 8; comment-column: 35; -*-
+
+// "grid.cpp"
+
+// (c) OPAC Team, LIFL, August 2005
+
+/* This library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2 of the License, or (at your option) any later version.
+   
+   This library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+   
+   You should have received a copy of the GNU Lesser General Public
+   License along with this library; if not, write to the Free Software
+   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
+   
+   Contact: cahon@lifl.fr
+*/
+
+#include <iostream>
+#include <fstream>
+
+#include <libxml/xmlreader.h>
+
+#include "grid.h"
+
+std :: vector <Cluster> the_grid;
+
+void saveGrid (const char * __filename) {
+
+  FILE * f = fopen (__filename, "w");
+
+  fprintf (f, "<?xml version=\"1.0\"?>\n\n");
+  
+  fprintf (f, "<grid name=\"grid5000\">\n"); 
+  for (unsigned i = 0; i < the_grid.size (); i ++)
+    the_grid [i].save (f);  
+  fprintf (f, "</grid>\n");
+  fclose (f);
+}
+
+static void processNode(xmlTextReaderPtr reader) {
+    
+  const xmlChar * name, * value;
+
+  name = xmlTextReaderConstName(reader);
+  if (name == NULL)
+    name = BAD_CAST "--";
+  printf ("#%s#\n", name);
+  value = xmlTextReaderConstValue(reader);    
+  if (value && ! strcmp ((const char *) name, "name"))
+      printf("%s\n", value);
+}
+
+void loadGrid (const char * __filename) {
+
+  xmlTextReaderPtr reader = xmlReaderForFile (__filename, NULL, 0);
+  
+  int ret = xmlTextReaderRead (reader);
+  while (ret == 1) {
+    processNode (reader);
+    ret = xmlTextReaderRead(reader);
+  }
+  xmlFreeTextReader(reader);
+}
+
+Cluster * getCluster (const std :: string & __domain_name) {
+  
+  for (unsigned i = 0; i < the_grid.size (); i ++)    
+    if (the_grid [i].domain_name == __domain_name)      
+      return & the_grid [i];
+  return 0;
+}
+
+void loadMachineFile (const char * __filename) {
+
+  std :: ifstream f (__filename);
+
+  while (true) {
+
+    std :: string host_name;
+    f >> host_name;
+    
+    if (f.eof ())
+      break;
+    std :: string domain_name = getDomainName (host_name);
+    std :: string short_host_name = getShortHostName (host_name);
+    Cluster * cluster = getCluster (domain_name);    
+    Host host (short_host_name);
+    if (cluster)
+      cluster -> push_back (host);
+    else {
+      the_grid.push_back (Cluster (domain_name));
+      the_grid.back ().push_back (Host (short_host_name));
+    }            
+  }
+  
+  f.close ();
+}