First step to take care of constraint into storage model

[simgrid.git] / examples / msg / io / file.c

diff --git a/examples/msg/io/file.c b/examples/msg/io/file.c
index 5c58289..87c9618 100644 (file)
--- a/examples/msg/io/file.c
+++ b/examples/msg/io/file.c
@@ -4,23 +4,50 @@
 /* This program is free software; you can redistribute it and/or modify it
  * under the terms of the license (GNU LGPL) which comes with this package. */
 
+/** @addtogroup MSG_examples
+ * 
+ * @subsection MSG_ex_resources Other resource kinds
+ * 
+ * This section contains some sparse examples of how to use the other
+ * kind of resources, such as disk or GPU. These resources are quite
+ * experimental for now, but here we go anyway.
+ * 
+ * - <b>io/file.c</b> Example with the disk resource
+ */
+
+#define FILENAME "/home/user/Install/simgrid/doc/simgrid/examples/cxx/basic/basic_platform.xml"
+
 #include <stdio.h>
 #include <stdlib.h>
-#include "simix/simix.h"
 #include "msg/msg.h"
 #include "surf/surf_private.h"
 
 int host(int argc, char *argv[]);
 
-XBT_LOG_NEW_DEFAULT_CATEGORY(file,
-                             "Messages specific for this simix example");
+XBT_LOG_NEW_DEFAULT_CATEGORY(io_file,
+                             "Messages specific for this io example");
 
 int host(int argc, char *argv[])
 {
-  size_t read = simcall_file_read(NULL,0,0,NULL);
-  XBT_INFO("Host '%s' read %ld",MSG_host_get_name(MSG_host_self()),read);
-  size_t write = simcall_file_write(NULL,0,0,NULL);
-  XBT_INFO("Host '%s' write %ld",MSG_host_get_name(MSG_host_self()), write);
+  m_file_t file;
+  char* mount = bprintf("C:");
+
+  file = MSG_file_open(mount,FILENAME,"rw");
+  XBT_INFO("Host '%s' open %p",MSG_host_get_name(MSG_host_self()), file);
+
+  size_t read = MSG_file_read(mount,NULL,0,0,file);
+  XBT_INFO("Host '%s' read %zu", MSG_host_get_name(MSG_host_self()), read);
+
+  size_t write = MSG_file_write(mount,NULL,0,0,file);
+  XBT_INFO("Host '%s' write %zu", MSG_host_get_name(MSG_host_self()), write);
+
+  int res = MSG_file_stat(mount,0,NULL);
+  XBT_INFO("Host '%s' stat %d",MSG_host_get_name(MSG_host_self()), res);
+
+  res = MSG_file_close(mount,file);
+  XBT_INFO("Host '%s' close %d",MSG_host_get_name(MSG_host_self()), res);
+
+  free(mount);
   return 0;
 }
 
@@ -29,18 +56,17 @@ int main(int argc, char **argv)
     int i,res;
   MSG_global_init(&argc, argv);
   MSG_create_environment(argv[1]);
-  m_host_t *host_table =  MSG_get_host_table();
-  int number_of_hosts = MSG_get_host_number();
+  xbt_dynar_t hosts =  MSG_hosts_as_dynar();
   MSG_function_register("host", host);
 
-  XBT_INFO("Number of host '%d'",number_of_hosts);
-  for(i = 0 ; i<number_of_hosts; i++)
+  XBT_INFO("Number of host '%lu'",xbt_dynar_length(hosts));
+  for(i = 0 ; i<xbt_dynar_length(hosts); i++)
   {
     char* name_host = bprintf("%d",i);
-    MSG_process_create( name_host, host, NULL, host_table[i] );
+    MSG_process_create( name_host, host, NULL, xbt_dynar_get_as(hosts,i,m_host_t) );
     free(name_host);
   }
-  xbt_free(host_table);
+  xbt_dynar_free(&hosts);
 
   res = MSG_main();
   XBT_INFO("Simulation time %g", MSG_get_clock());