-/* 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"
"Logging specific to MSG (io)");
/** @addtogroup msg_file_management
- * \htmlonly <!-- DOXYGEN_NAVBAR_LABEL="Files" --> \endhtmlonly
+ * \htmlonly <!-- DOXYGEN_NAVBAR_LABEL="Files" --> \endhtmlonly
* (#msg_file_t) and the functions for managing it.
*
* \see #msg_file_t
*/
/********************************* File **************************************/
+void __MSG_file_get_info(msg_file_t fd){
+ xbt_dynar_t info = simcall_file_get_info(fd->simdata->smx_file);
+ fd->info->content_type = xbt_dynar_pop_as(info, char *);
+ fd->info->storage_type = xbt_dynar_pop_as(info, char *);
+ fd->info->storageId = xbt_dynar_pop_as(info, char *);
+ fd->info->mount_point = xbt_dynar_pop_as(info, char *);
+ fd->info->size = xbt_dynar_pop_as(info, size_t);
+
+ xbt_dynar_free_container(&info);
+}
+
+/** \ingroup msg_file_management
+ *
+ * \brief Set the user data of a #msg_file_t.
+ *
+ * This functions checks whether some data has already been associated to \a file
+ or not and attach \a data to \a file if it is possible.
+ */
+msg_error_t MSG_file_set_data(msg_file_t fd, void *data)
+{
+ SIMIX_file_set_data(fd->simdata->smx_file,data);
+
+ return MSG_OK;
+}
+
+/** \ingroup msg_file_management
+ *
+ * \brief Return the user data of a #msg_file_t.
+ *
+ * This functions checks whether \a file is a valid pointer or not and return
+ the user data associated to \a file if it is possible.
+ */
+void *MSG_file_get_data(msg_file_t fd)
+{
+ return SIMIX_file_get_data(fd->simdata->smx_file);
+}
+
+/** \ingroup msg_file_management
+ * \brief Display information related to a file descriptor
+ *
+ * \param fd is a the file descriptor
+ */
+
+void MSG_file_dump (msg_file_t fd){
+// THROW_UNIMPLEMENTED;
+ /* Update the cached information first */
+ __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\tStorage Id: '%s'"
+ "\n\t\tStorage Type: '%s'\n\t\tContent Type: '%s'",
+ fd->fullname, fd->info->size, fd->info->mount_point, fd->info->storageId,
+ fd->info->storage_type, fd->info->content_type);
+}
/** \ingroup msg_file_management
- * \brief Read elements of a file
+ * \brief Read a file
*
- * \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 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(void* ptr, size_t size, size_t nmemb, msg_file_t stream)
+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
* \brief Opens the file whose name is the string pointed to by path
*
* \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.
+ * \param fullname is the file location on the storage
+ * \param data user data to attach to 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, void* data)
{
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->info = xbt_new0(s_file_info_t,1);
+ file->simdata->smx_file = simcall_file_open(mount, fullname);
+ SIMIX_file_set_data(file->simdata->smx_file, data);
return file;
}
int MSG_file_close(msg_file_t fd)
{
int res = simcall_file_close(fd->simdata->smx_file);
- free(fd->name);
+ free(fd->fullname);
xbt_free(fd->simdata);
+ xbt_free(fd->info);
xbt_free(fd);
return res;
}
*/
int MSG_file_unlink(msg_file_t fd)
{
- int res = simcall_file_unlink(fd->simdata->smx_file);
- free(fd->name);
- xbt_free(fd->simdata);
- xbt_free(fd);
- return res;
+ return simcall_file_unlink(fd->simdata->smx_file);
}
/** \ingroup msg_file_management
return simcall_file_ls(mount, path);
}
+
+/********************************* Storage **************************************/
+
+/** @addtogroup msg_storage_management
+ * \htmlonly <!-- DOXYGEN_NAVBAR_LABEL="Storages" --> \endhtmlonly
+ * (#msg_storage_t) and the functions for managing it.
+ *
+ */
+
+
+/* TODO: PV: to comment */
+msg_storage_t __MSG_storage_create(smx_storage_t storage)
+{
+ const char *name = SIMIX_storage_get_name(storage);
+ msg_storage_priv_t storage_private = xbt_new0(s_msg_storage_priv_t, 1);
+ xbt_lib_set(storage_lib,name,MSG_STORAGE_LEVEL,storage_private);
+ return xbt_lib_get_elm_or_null(storage_lib, name);
+}
+
+/*
+ * \brief Destroys a storage (internal call only)
+ */
+void __MSG_storage_destroy(msg_storage_priv_t storage) {
+
+ free(storage);
+}
+
+/** \ingroup msg_storage_management
+ *
+ * \brief Returns the name of the #msg_storage_t.
+ *
+ * This functions checks whether a storage is a valid pointer or not and return its name.
+ */
+const char *MSG_storage_get_name(msg_storage_t storage) {
+ xbt_assert((storage != NULL), "Invalid parameters");
+ return SIMIX_storage_get_name(storage);
+}
+
+/** \ingroup msg_storage_management
+ * \brief Returns the free space size of a storage element
+ * \param name the name of a storage
+ * \return the free space size of the storage element (as a size_t)
+ */
+size_t MSG_storage_get_free_size(const char* name){
+ return simcall_storage_get_free_size(name);
+}
+
+/** \ingroup msg_storage_management
+ * \brief Returns the used space size of a storage element
+ * \param name the name of a storage
+ * \return the used space size of the storage element (as a size_t)
+ */
+size_t MSG_storage_get_used_size(const char* name){
+ return simcall_storage_get_used_size(name);
+}
+
+/** \ingroup msg_storage_management
+ * \brief Returns a xbt_dict_t consisting of the list of properties assigned to this storage
+ * \param storage a storage
+ * \return a dict containing the properties
+ */
+xbt_dict_t MSG_storage_get_properties(msg_storage_t storage)
+{
+ xbt_assert((storage != NULL), "Invalid parameters (storage is NULL)");
+ return (simcall_storage_get_properties(storage));
+}
+
+/** \ingroup msg_storage_management
+ * \brief Change the value of a given storage property
+ *
+ * \param storage a storage
+ * \param name a property name
+ * \param value what to change the property to
+ * \param free_ctn the freeing function to use to kill the value on need
+ */
+void MSG_storage_set_property_value(msg_storage_t storage, const char *name, char *value,void_f_pvoid_t free_ctn) {
+ xbt_dict_set(MSG_storage_get_properties(storage), name, value,free_ctn);
+}
+
+/** \ingroup msg_storage_management
+ * \brief Finds a msg_storage_t using its name.
+ * \param name the name of a storage
+ * \return the corresponding storage
+ */
+msg_storage_t MSG_storage_get_by_name(const char *name)
+{
+ return (msg_storage_t) xbt_lib_get_elm_or_null(storage_lib,name);
+}
+
+/** \ingroup msg_storage_management
+ * \brief Returns a dynar containing all the storage elements declared at a given point of time
+ *
+ */
+xbt_dynar_t MSG_storages_as_dynar(void) {
+
+ xbt_lib_cursor_t cursor;
+ char *key;
+ void **data;
+ xbt_dynar_t res = xbt_dynar_new(sizeof(msg_storage_t),NULL);
+
+ xbt_lib_foreach(storage_lib, cursor, key, data) {
+ if(routing_get_network_element_type(key) == MSG_STORAGE_LEVEL) {
+ xbt_dictelm_t elm = xbt_dict_cursor_get_elm(cursor);
+ xbt_dynar_push(res, &elm);
+ }
+ }
+
+ return res;
+}
+
+/** \ingroup msg_storage_management
+ *
+ * \brief Set the user data of a #msg_storage_t.
+ * This functions checks whether some data has already been associated to \a storage
+ or not and attach \a data to \a storage if it is possible.
+ */
+msg_error_t MSG_storage_set_data(msg_storage_t storage, void *data)
+{
+ SIMIX_storage_set_data(storage,data);
+
+ return MSG_OK;
+}
+
+/** \ingroup msg_host_management
+ *
+ * \brief Returns the user data of a #msg_storage_t.
+ *
+ * This functions checks whether \a storage is a valid pointer or not and returns
+ the user data associated to \a storage if it is possible.
+ */
+void *MSG_storage_get_data(msg_storage_t storage)
+{
+ return SIMIX_storage_get_data(storage);
+}
+
+/** \ingroup msg_storage_management
+ *
+ * \brief Returns the content (file list) of a #msg_storage_t.
+ * \param storage a storage
+ */
+xbt_dict_t MSG_storage_get_content(msg_storage_t storage)
+{
+ return SIMIX_storage_get_content(storage);
+}
