X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/cdf30f059dbd4871e2ef4fddb30c1f0f1ad6e34e..c2f3f26a7e99acb812c6f6983953a04d9d10f025:/examples/msg/io/remote.c?ds=sidebyside

diff --git a/examples/msg/io/remote.c b/examples/msg/io/remote.c
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+++ b/examples/msg/io/remote.c
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+/* Copyright (c) 2014. The SimGrid Team.
+ * All rights reserved.                                                     */
+
+/* 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/remote.c</b> Example of delegated I/O operations
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include "msg/msg.h"
+#include "surf/surf_private.h"
+
+int host(int argc, char *argv[]);
+
+XBT_LOG_NEW_DEFAULT_CATEGORY(remote_io,
+                             "Messages specific for this io example");
+
+
+int host(int argc, char *argv[]){
+  msg_file_t file = NULL;
+  const char* filename;
+//  msg_storage_t st;
+  sg_size_t read;//,write;
+
+  file = MSG_file_open(argv[1], NULL);
+  filename = MSG_file_get_name(file);
+  XBT_INFO("Opened file '%s'",filename);
+  MSG_file_dump(file);
+
+ // st = MSG_storage_get_by_name(st_name);
+
+  XBT_INFO("Try to read %llu from '%s'",MSG_file_get_size(file),filename);
+  read = MSG_file_read(file, MSG_file_get_size(file));
+  XBT_INFO("Have read %llu from '%s'",read,filename);
+
+  MSG_file_close(file);
+  return 0;
+}
+
+//int host(int argc, char *argv[])
+//{
+//  msg_file_t file = NULL;
+//  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(FILENAME1, NULL);
+//    MSG_file_dump(file);
+//    st_name = "Disk4";
+//  } else if(!strcmp(MSG_process_get_name(MSG_process_self()),"1")) {
+//    file = MSG_file_open(FILENAME2, NULL);
+//    st_name = "Disk2";
+//  } else if(!strcmp(MSG_process_get_name(MSG_process_self()),"2")){
+//    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);
+//
+//  /* 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));
+//
+//
+//  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);
+//
+//
+//  return 0;
+//}
+
+int main(int argc, char **argv)
+{
+  int res;
+
+  MSG_init(&argc, argv);
+  MSG_create_environment(argv[1]);
+  MSG_function_register("host", host);
+  MSG_launch_application(argv[2]);
+
+  res = MSG_main();
+
+  XBT_INFO("Simulation time %g", MSG_get_clock());
+  if (res == MSG_OK)
+    return 0;
+  else
+    return 1;
+}