X-Git-Url: http://bilbo.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/c714798d5c146946f9ccce06da87bc1707b2de2d..9e57b07d6be48367da8f9d9fa503de304aeacd72:/examples/msg/io/file.c
diff --git a/examples/msg/io/file.c b/examples/msg/io/file.c
index 3cd1c8310a..d36365fea9 100644
--- a/examples/msg/io/file.c
+++ b/examples/msg/io/file.c
@@ -4,6 +4,22 @@
/* 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.
+ *
+ * - io/file.c Example with the disk resource
+ */
+
+#define FILENAME1 "./doc/simgrid/examples/platforms/g5k.xml"
+#define FILENAME2 "./doc/simgrid/examples/platforms/One_cluster_no_backbone.xml"
+#define FILENAME3 "./doc/simgrid/examples/platforms/g5k_cabinets.xml"
+#define FILENAME4 "./doc/simgrid/examples/platforms/nancy.xml"
+
#include
#include
#include "msg/msg.h"
@@ -16,44 +32,59 @@ XBT_LOG_NEW_DEFAULT_CATEGORY(io_file,
int host(int argc, char *argv[])
{
- m_file_t file;
- file = MSG_file_open("test.txt","rw");
- XBT_INFO("Host '%s' open %p",MSG_host_get_name(MSG_host_self()), file);
+ msg_file_t file = NULL;
+ char* mount = xbt_strdup("/home");
+ size_t read,write;
+
+ if(!strcmp(MSG_process_get_name(MSG_process_self()),"0")){
+ file = MSG_file_open(mount,FILENAME1);
+ MSG_file_dump(file);
+ } else if(!strcmp(MSG_process_get_name(MSG_process_self()),"1"))
+ file = MSG_file_open(mount,FILENAME2);
+ else if(!strcmp(MSG_process_get_name(MSG_process_self()),"2"))
+ file = MSG_file_open(mount,FILENAME3);
+ else if(!strcmp(MSG_process_get_name(MSG_process_self()),"3"))
+ file = MSG_file_open(mount,FILENAME4);
+ else xbt_die("FILENAME NOT DEFINED %s",MSG_process_get_name(MSG_process_self()));
- size_t read = MSG_file_read(NULL,0,0,file);
- XBT_INFO("Host '%s' read %zu", MSG_host_get_name(MSG_host_self()), read);
+ XBT_INFO("\tOpen file '%s'",file->fullname);
- size_t write = MSG_file_write(NULL,0,0,file);
- XBT_INFO("Host '%s' write %zu", MSG_host_get_name(MSG_host_self()), write);
+ read = MSG_file_read(10000000,file); // Read for 10MB
+ XBT_INFO("\tHave read %zu on %s",read,file->fullname);
- int res = MSG_file_stat(0,NULL);
- XBT_INFO("Host '%s' stat %d",MSG_host_get_name(MSG_host_self()), res);
+ write = MSG_file_write(100000,file); // Write for 100KB
+ XBT_INFO("\tHave written %zu on %s",write,file->fullname);
- res = MSG_file_close(file);
- XBT_INFO("Host '%s' close %d",MSG_host_get_name(MSG_host_self()), res);
+ read = MSG_file_read(110000,file); // Read for 110KB
+ XBT_INFO("\tHave read %zu on %s (of size %zu)",read,file->fullname,
+ MSG_file_get_size(file));
+
+ XBT_INFO("\tClose file '%s'",file->fullname);
+ MSG_file_close(file);
+
+ free(mount);
return 0;
}
int main(int argc, char **argv)
{
- int i,res;
- MSG_global_init(&argc, argv);
+ int i,res;
+ MSG_init(&argc, argv);
MSG_create_environment(argv[1]);
xbt_dynar_t hosts = MSG_hosts_as_dynar();
MSG_function_register("host", host);
-
- XBT_INFO("Number of host '%zu'",xbt_dynar_length(hosts));
- for(i = 0 ; i