X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/3caf6372b036a72110757e43456d08e0a463e7d3..8af8a1a1a07bf54b28a5fc112ac1ee7875b5c250:/src/msg/msg_io.c

diff --git a/src/msg/msg_io.c b/src/msg/msg_io.c
index 7d51d15d75..c2da672c75 100644
--- a/src/msg/msg_io.c
+++ b/src/msg/msg_io.c
@@ -1,8 +1,8 @@
-/* Copyright (c) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012. The SimGrid Team.
- * All rights reserved.                                                                  */
+/* Copyright (c) 2004 - 2013. 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.              */
+ * under the terms of the license (GNU LGPL) which comes with this package.   */
 
 #include "msg_private.h"
 #include "xbt/log.h"
@@ -20,31 +20,43 @@ XBT_LOG_NEW_DEFAULT_SUBCATEGORY(msg_io, msg,
 /********************************* File **************************************/
 
 /** \ingroup msg_file_management
- * \brief Read elements of a file
+ * \brief Display information related to a file descriptor
  *
- * \param ptr buffer to where the data is copied
- * \param size of each element
- * \param nmemb is the number of elements of data to read
- * \param stream to read
- * \return the number of items successfully read
+ * \param fd is a the file descriptor
  */
-double MSG_file_read(void* ptr, size_t size, size_t nmemb,  msg_file_t stream)
+
+void MSG_file_dump (msg_file_t fd){
+   THROW_UNIMPLEMENTED;
+  /* Update the cached information first */
+//  fd->info = __MSG_file_get_info(fd);
+//  XBT_INFO("File Descriptor information:\n\t\tFull name: '%s'"
+//      "\n\t\tSize: %zu\n\t\tMount point: '%s'\n\t\t Storage Id: '%s'"
+//      "\n\t\t Content Type: '%s'", fd->fullname, fd->info->size, NULL,NULL,NULL);
+//      fd->info->mount_point, fd->info->storageId, fd->info->content_type);
+}
+
+/** \ingroup msg_file_management
+ * \brief Read a file
+ *
+ * \param size of the file to read
+ * \param fd is a the file descriptor
+ * \return the number of bytes successfully read
+ */
+size_t MSG_file_read(size_t size, msg_file_t fd)
 {
-  return simcall_file_read(ptr, size, nmemb, stream->simdata->smx_file);
+  return simcall_file_read(size, fd->simdata->smx_file);
 }
 
 /** \ingroup msg_file_management
- * \brief Write elements into a file
+ * \brief Write into a file
  *
- * \param ptr buffer from where the data is copied
- * \param size of each element
- * \param nmemb is the number of elements of data to write
- * \param stream to write
- * \return the number of items successfully write
+ * \param size of the file to write
+ * \param fd is a the file descriptor
+ * \return the number of bytes successfully write
  */
-size_t MSG_file_write(const void* ptr, size_t size, size_t nmemb, msg_file_t stream)
+size_t MSG_file_write(size_t size, msg_file_t fd)
 {
-  return simcall_file_write(ptr, size, nmemb, stream->simdata->smx_file);
+  return simcall_file_write(size, fd->simdata->smx_file);
 }
 
 /** \ingroup msg_file_management
@@ -52,66 +64,86 @@ size_t MSG_file_write(const void* ptr, size_t size, size_t nmemb, msg_file_t str
  *
  * \param mount is the mount point where find the file is located
  * \param path is the file location on the storage
- * \param mode points to a string beginning with one of the following sequences (Additional characters may follow these sequences.):
- *      r      Open text file for reading.  The stream is positioned at the beginning of the file.
- *      r+     Open for reading and writing.  The stream is positioned at the beginning of the file.
- *      w      Truncate file to zero length or create text file for writing.  The stream is positioned at the beginning of the file.
- *      w+     Open for reading and writing.  The file is created if it does not exist, otherwise it is truncated.  The stream is positioned at the
- *             beginning of the file.
- *      a      Open for appending (writing at end of file).  The file is created if it does not exist.  The stream is positioned at the end of the file.
- *      a+     Open for reading and appending (writing at end of file).  The file is created if it does not exist.  The initial file position for  reading
- *             is at the beginning of the file, but output is always appended to the end of the file.
  *
  * \return An #msg_file_t associated to the file
  */
-msg_file_t MSG_file_open(const char* mount, const char* path, const char* mode)
+msg_file_t MSG_file_open(const char* mount, const char* fullname)
 {
   msg_file_t file = xbt_new(s_msg_file_t,1);
-  file->name = strdup(path);
+  file->fullname = xbt_strdup(fullname);
   file->simdata = xbt_new0(s_simdata_file_t,1);
-  file->simdata->smx_file = simcall_file_open(mount, path, mode);
+  file->simdata->smx_file = simcall_file_open(mount, fullname);
   return file;
 }
 
 /** \ingroup msg_file_management
  * \brief Close the file
  *
- * \param fp is the file to close
+ * \param fd is the file to close
  * \return 0 on success or 1 on error
  */
-int MSG_file_close(msg_file_t fp)
+int MSG_file_close(msg_file_t fd)
 {
-  int res = simcall_file_close(fp->simdata->smx_file);
-  free(fp->name);
-  xbt_free(fp->simdata);
-  xbt_free(fp);
+  int res = simcall_file_close(fd->simdata->smx_file);
+  free(fd->fullname);
+  xbt_free(fd->simdata);
+  xbt_free(fd);
   return res;
 }
 
 /** \ingroup msg_file_management
- * \brief Stats the file pointed by fd
+ * \brief Unlink the file pointed by fd
  *
  * \param fd is the file descriptor (#msg_file_t)
- * \param buf is the return structure with informations
  * \return 0 on success or 1 on error
  */
-int MSG_file_stat(msg_file_t fd, s_msg_stat_t *buf)
+int MSG_file_unlink(msg_file_t fd)
 {
-  int res;
-  res = simcall_file_stat(fd->simdata->smx_file, buf);
-  return res;
+  return simcall_file_unlink(fd->simdata->smx_file);
 }
 
 /** \ingroup msg_file_management
- * \brief Free the stat structure
+ * \brief Return the size of a file
  *
- * \param stat the #s_msg_stat_t to free
+ * \param fd is the file descriptor (#msg_file_t)
+ * \return the size of the file (as a size_t)
  */
-void MSG_file_free_stat(s_msg_stat_t *stat)
+
+size_t MSG_file_get_size(msg_file_t fd){
+  return simcall_file_get_size(fd->simdata->smx_file);
+}
+
+/** \ingroup msg_file_management
+ * \brief Search for file
+ *
+ * \param mount is the mount point where find the file is located
+ * \param path the file regex to find
+ * \return a xbt_dict_t of file where key is the name of file and the
+ * value the msg_stat_t corresponding to the key
+ */
+xbt_dict_t MSG_file_ls(const char *mount, const char *path)
 {
-  free(stat->date);
-  free(stat->group);
-  free(stat->time);
-  free(stat->user);
-  free(stat->user_rights);
+  xbt_assert(path,"You must set path");
+  int size = strlen(path);
+  if(size && path[size-1] != '/')
+  {
+    char *new_path = bprintf("%s/",path);
+    XBT_DEBUG("Change '%s' for '%s'",path,new_path);
+    xbt_dict_t dict = simcall_file_ls(mount, new_path);
+    xbt_free(new_path);
+    return dict;
+  }
+
+  return simcall_file_ls(mount, path);
+}
+
+/** \ingroup msg_storage_management
+ * \brief Return the free space size of a storage element
+ *
+ * \param sd is the storage descriptor (#msg_storage_t)
+ * \return the free space size of the storage element (as a size_t)
+ */
+
+size_t MSG_storage_get_free_size(msg_storage_t sd){
+  return simcall_storage_get_free_size(sd->simdata->smx_storage);
 }