X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/99af8c50e220f115ee67dd669b71b02714c90414..c2bebbceae24bb9a74fe034c71862c84a6193e7f:/examples/msg/io/file.c
diff --git a/examples/msg/io/file.c b/examples/msg/io/file.c
index c86a7d02b3..e42f2b6b35 100644
--- a/examples/msg/io/file.c
+++ b/examples/msg/io/file.c
@@ -1,4 +1,4 @@
-/* Copyright (c) 2008-2010, 2012-2014. The SimGrid Team.
+/* Copyright (c) 2008-2010, 2012-2015. The SimGrid Team.
* All rights reserved. */
/* This program is free software; you can redistribute it and/or modify it
@@ -15,15 +15,14 @@
* - io/file.c Example with the disk resource
*/
-#define FILENAME1 "./doc/simgrid/examples/platforms/g5k.xml"
-#define FILENAME2 ".\\Windows\\setupact.log"
-#define FILENAME3 "./doc/simgrid/examples/platforms/g5k_cabinets.xml"
-#define FILENAME4 "./doc/simgrid/examples/platforms/nancy.xml"
+#define FILENAME1 "/home/doc/simgrid/examples/platforms/g5k.xml"
+#define FILENAME2 "c:\\Windows\\setupact.log"
+#define FILENAME3 "/home/doc/simgrid/examples/platforms/g5k_cabinets.xml"
+#define FILENAME4 "/home/doc/simgrid/examples/platforms/nancy.xml"
#include
#include
-#include "msg/msg.h"
-#include "surf/surf_private.h"
+#include "simgrid/msg.h"
int host(int argc, char *argv[]);
@@ -33,39 +32,73 @@ XBT_LOG_NEW_DEFAULT_CATEGORY(io_file,
int host(int argc, char *argv[])
{
msg_file_t file = NULL;
- char* mount = xbt_strdup("/home");
sg_size_t read,write;
+ msg_storage_t st;
+ const char* st_name;
if(!strcmp(MSG_process_get_name(MSG_process_self()),"0")){
- file = MSG_file_open(mount,FILENAME1, NULL);
+ file = MSG_file_open(FILENAME1, NULL);
MSG_file_dump(file);
+ st_name = "Disk4";
} else if(!strcmp(MSG_process_get_name(MSG_process_self()),"1")) {
- free(mount);
- mount = xbt_strdup("/windows");
- file = MSG_file_open(mount,FILENAME2, NULL);
+ file = MSG_file_open(FILENAME2, NULL);
+ st_name = "Disk2";
} else if(!strcmp(MSG_process_get_name(MSG_process_self()),"2")){
- file = MSG_file_open(mount,FILENAME3, NULL);
- } else if(!strcmp(MSG_process_get_name(MSG_process_self()),"3"))
- file = MSG_file_open(mount,FILENAME4, NULL);
+ file = MSG_file_open(FILENAME3, NULL);
+ st_name = "Disk3";
+ } else if(!strcmp(MSG_process_get_name(MSG_process_self()),"3")){
+ file = MSG_file_open(FILENAME4, NULL);
+ st_name = "Disk1";
+ }
else xbt_die("FILENAME NOT DEFINED %s",MSG_process_get_name(MSG_process_self()));
const char* filename = MSG_file_get_name(file);
XBT_INFO("\tOpen file '%s'",filename);
+ st = MSG_storage_get_by_name(st_name);
+
+ XBT_INFO("\tCapacity of the storage element '%s' is stored on: %llu / %llu",
+ filename, MSG_storage_get_used_size(st), MSG_storage_get_size(st));
+
+ /* Try to read for 10MB */
+ read = MSG_file_read(file, 10000000);
+ XBT_INFO("\tHave read %llu from '%s'",read,filename);
- read = MSG_file_read(file, 10000000); // Read for 10MB
- XBT_INFO("\tHave read %llu on %s",read,filename);
+ /* Write 100KB in file from the current position, i.e, end of file or 10MB */
+ write = MSG_file_write(file, 100000);
+ XBT_INFO("\tHave written %llu in '%s'. Size now is: %llu",write,filename,
+ MSG_file_get_size(file));
- write = MSG_file_write(file, 100000); // Write for 100KB
- XBT_INFO("\tHave written %llu on %s",write,filename);
- read = MSG_file_read(file, 110000); // Read for 110KB
- XBT_INFO("\tHave read %llu on %s (of size %llu)",read,filename,
+ XBT_INFO("\tCapacity of the storage element '%s' is stored on: %llu / %llu",
+ filename, MSG_storage_get_used_size(st), MSG_storage_get_size(st));
+
+ /* rewind to the beginning of the file */
+ XBT_INFO("\tComing back to the beginning of the stream for file '%s'",
+ filename);
+ MSG_file_seek(file, 0, SEEK_SET);
+
+ /* Try to read 110KB */
+ read = MSG_file_read(file, 110000);
+ XBT_INFO("\tHave read %llu from '%s' (of size %llu)",read,filename,
MSG_file_get_size(file));
+ /* rewind once again to the beginning of the file */
+ XBT_INFO("\tComing back to the beginning of the stream for file '%s'",
+ filename);
+ MSG_file_seek(file, 0, SEEK_SET);
+
+ /* Write 110KB in file from the current position, i.e, end of file or 10MB */
+ write = MSG_file_write(file, 110000);
+ XBT_INFO("\tHave written %llu in '%s'. Size now is: %llu", write,filename,
+ MSG_file_get_size(file));
+
+ XBT_INFO("\tCapacity of the storage element '%s' is stored on: %llu / %llu",
+ filename, MSG_storage_get_used_size(st), MSG_storage_get_size(st));
+
XBT_INFO("\tClose file '%s'",filename);
MSG_file_close(file);
- free(mount);
+
return 0;
}
@@ -88,9 +121,5 @@ int main(int argc, char **argv)
res = MSG_main();
XBT_INFO("Simulation time %g", MSG_get_clock());
- if (res == MSG_OK)
- return 0;
- else
- return 1;
-
+ return res != MSG_OK;
}