-/* Copyright (c) 2004 - 2013. The SimGrid Team.
- * All rights reserved. */
+/* Copyright (c) 2004-2014. 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. */
+ * 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);
+ msg_file_priv_t priv = MSG_file_priv(fd);
+ xbt_dynar_t info = simcall_file_get_info(priv->simdata->smx_file);
+ sg_size_t *psize;
+
+ priv->content_type = xbt_dynar_pop_as(info, char *);
+ priv->storage_type = xbt_dynar_pop_as(info, char *);
+ priv->storageId = xbt_dynar_pop_as(info, char *);
+ priv->mount_point = xbt_dynar_pop_as(info, char *);
+ psize = xbt_dynar_pop_as(info, sg_size_t*);
+ priv->size = *psize;
+ xbt_free(psize);
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)
+{
+ msg_file_priv_t priv = MSG_file_priv(fd);
+ priv->data = 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)
+{
+ msg_file_priv_t priv = MSG_file_priv(fd);
+ return priv->data;
+}
+
/** \ingroup msg_file_management
* \brief Display information related to a 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);
+
+ msg_file_priv_t priv = MSG_file_priv(fd);
+ XBT_INFO("File Descriptor information:\n"
+ "\t\tFull path: '%s'\n"
+ "\t\tSize: %llu\n"
+ "\t\tMount point: '%s'\n"
+ "\t\tStorage Id: '%s'\n"
+ "\t\tStorage Type: '%s'\n"
+ "\t\tContent Type: '%s'",
+ priv->fullpath, priv->size, priv->mount_point,
+ priv->storageId, priv->storage_type,
+ priv->content_type);
}
/** \ingroup msg_file_management
* \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)
+sg_size_t MSG_file_read(msg_file_t fd, sg_size_t size)
{
- return simcall_file_read(size, fd->simdata->smx_file);
+ msg_file_priv_t priv = MSG_file_priv(fd);
+ return simcall_file_read(priv->simdata->smx_file, size);
}
/** \ingroup msg_file_management
* \param fd is a the file descriptor
* \return the number of bytes successfully write
*/
-size_t MSG_file_write(size_t size, msg_file_t fd)
+sg_size_t MSG_file_write(msg_file_t fd, sg_size_t size)
{
- return simcall_file_write(size, fd->simdata->smx_file);
+ msg_file_priv_t priv = MSG_file_priv(fd);
+ return simcall_file_write(priv->simdata->smx_file, size);
}
/** \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 fullname is the file location on the storage
+ * \param fullpath 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* fullname)
+msg_file_t MSG_file_open(const char* fullpath, void* data)
+{
+ msg_file_priv_t priv = xbt_new(s_msg_file_priv_t, 1);
+ priv->data = data;
+ priv->fullpath = xbt_strdup(fullpath);
+ priv->simdata = xbt_new0(s_simdata_file_t,1);
+ priv->simdata->smx_file = simcall_file_open(fullpath);
+ xbt_lib_set(file_lib, fullpath, MSG_FILE_LEVEL, priv);
+ return (msg_file_t) xbt_lib_get_elm_or_null(file_lib, fullpath);
+}
+
+/**
+ * \brief Frees private data of a file (internal call only)
+ */
+void __MSG_file_priv_free(msg_file_priv_t priv)
{
- msg_file_t file = xbt_new(s_msg_file_t,1);
- file->fullname = xbt_strdup(fullname);
- file->simdata = xbt_new0(s_simdata_file_t,1);
- file->info = xbt_new0(s_file_info_t,1);
- file->simdata->smx_file = simcall_file_open(mount, fullname);
- return file;
+ xbt_free(&priv->simdata->smx_file);
+ free(priv);
}
/** \ingroup msg_file_management
*/
int MSG_file_close(msg_file_t fd)
{
- int res = simcall_file_close(fd->simdata->smx_file);
- free(fd->fullname);
- xbt_free(fd->simdata);
- xbt_free(fd->info);
- xbt_free(fd);
+ msg_file_priv_t priv = MSG_file_priv(fd);
+ int res = simcall_file_close(priv->simdata->smx_file);
+ xbt_lib_unset(file_lib, priv->fullpath, MSG_FILE_LEVEL, 1);
return res;
}
*/
int MSG_file_unlink(msg_file_t fd)
{
- return simcall_file_unlink(fd->simdata->smx_file);
+ msg_file_priv_t priv = MSG_file_priv(fd);
+ int res = simcall_file_unlink(priv->simdata->smx_file);
+ return res;
}
/** \ingroup msg_file_management
* \brief Return the size of a file
*
* \param fd is the file descriptor (#msg_file_t)
- * \return the size of the file (as a size_t)
+ * \return the size of the file (as a #sg_size_t)
*/
-
-size_t MSG_file_get_size(msg_file_t fd){
- return simcall_file_get_size(fd->simdata->smx_file);
+sg_size_t MSG_file_get_size(msg_file_t fd){
+ msg_file_priv_t priv = MSG_file_priv(fd);
+ return simcall_file_get_size(priv->simdata->smx_file);
}
/** \ingroup msg_file_management
return simcall_file_ls(mount, path);
}
+/**
+ * \ingroup msg_file_management
+ * \brief Set the file position indicator in the msg_file_t by adding offset bytes
+ * to the position specified by origin (either SEEK_SET, SEEK_CUR, or SEEK_END).
+ *
+ * \param fd : file object that identifies the stream
+ * \param offset : number of bytes to offset from origin
+ * \param origin : Position used as reference for the offset. It is specified by
+ * one of the following constants defined in \<stdio.h\> exclusively to be used as
+ * arguments for this function (SEEK_SET = beginning of file, SEEK_CUR = current
+ * position of the file pointer, SEEK_END = end of file)
+ *
+ * \return If successful, the function returns MSG_OK (=0). Otherwise, it returns
+ * MSG_TASK_CANCELED (=8).
+ *
+ */
+msg_error_t MSG_file_seek(msg_file_t fd, sg_size_t offset, int origin)
+{
+ msg_file_priv_t priv = MSG_file_priv(fd);
+ return simcall_file_seek(priv->simdata->smx_file, offset, origin);
+}
+
+/**
+ * \ingroup msg_file_management
+ * \brief Returns the current value of the position indicator of the file
+ *
+ * \param fd : file object that identifies the stream
+ * \return On success, the current value of the position indicator is returned.
+ *
+ */
+sg_size_t MSG_file_tell(msg_file_t fd)
+{
+ msg_file_priv_t priv = MSG_file_priv(fd);
+ return simcall_file_tell(priv->simdata->smx_file);
+}
+
+const char *MSG_file_get_name(msg_file_t fd) {
+ xbt_assert((fd != NULL), "Invalid parameters");
+ msg_file_priv_t priv = MSG_file_priv(fd);
+ return priv->fullpath;
+}
+
+
+/*
+ * \brief Destroys a file (internal call only)
+ */
+void __MSG_file_destroy(msg_file_priv_t file) {
+ xbt_free(file->fullpath);
+ xbt_free(file->simdata);
+ xbt_free(file);
+}
/********************************* Storage **************************************/
+/** @addtogroup msg_storage_management
+ * \htmlonly <!-- DOXYGEN_NAVBAR_LABEL="Storages" --> \endhtmlonly
+ * (#msg_storage_t) and the functions for managing it.
+ *
+ */
+
+msg_storage_t __MSG_storage_create(smx_storage_t storage)
+{
+ const char *name = SIMIX_storage_get_name(storage);
+ const char *host = SIMIX_storage_get_host(storage);
+ msg_storage_priv_t storage_private = xbt_new0(s_msg_storage_priv_t, 1);
+ storage_private->host = host;
+ 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 Return the free space size of a storage element
- * \param the storage name (#char*)
- * \return the free space size of the storage element (as a size_t)
+ *
+ * \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.
*/
-size_t MSG_storage_get_free_size(const char* 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 #sg_size_t)
+ */
+sg_size_t MSG_storage_get_free_size(const char* name){
return simcall_storage_get_free_size(name);
}
/** \ingroup msg_storage_management
- * \brief Return the used space size of a storage element
- * \param the storage name (#char*)
- * \return the used space size of the storage element (as a size_t)
+ * \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 #sg_size_t)
*/
-size_t MSG_storage_get_used_size(const char* name){
+sg_size_t MSG_storage_get_used_size(const char* name){
return simcall_storage_get_used_size(name);
}
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));
+}
- xbt_die( "Not implemented yet");
- return xbt_dict_new();
- //return (simcall_host_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.
+ * \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(host_lib,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(xbt_lib_get_level(xbt_lib_get_elm_or_null(storage_lib, key), MSG_STORAGE_LEVEL) != NULL) {
+ 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)
+{
+ msg_storage_priv_t priv = MSG_storage_priv(storage);
+ priv->data = 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)
+{
+ xbt_assert((storage != NULL), "Invalid parameters");
+ msg_storage_priv_t priv = MSG_storage_priv(storage);
+ return priv->data;
+}
+
+/** \ingroup msg_storage_management
+ *
+ * \brief Returns the content (file list) of a #msg_storage_t.
+ * \param storage a storage
+ * \return The content of this storage element as a dict (full path file => size)
+ */
+xbt_dict_t MSG_storage_get_content(msg_storage_t storage)
+{
+ return SIMIX_storage_get_content(storage);
+}
+
+sg_size_t MSG_storage_get_size(msg_storage_t storage)
+{
+ return SIMIX_storage_get_size(storage);
+}
+
+/**
+ * \ingroup msg_storage_management
+ *
+ * \brief Rename the file in the contents of its associated storage.
+ */
+msg_error_t MSG_storage_file_rename(msg_storage_t storage, const char* src, const char* dest)
+{
+ simcall_storage_file_rename(storage, src, dest);
+ return MSG_OK;
+}
+
+/**
+ * \ingroup msg_storage_management
+ * \brief Move a file to another location. Depending on the values of dest, dest, mount,
+ * and fullname, this move can be local or remote and, within a host, on the same
+ * mounted disk or between mounted disks.
+ *
+ */
+msg_error_t MSG_storage_file_move (msg_file_t fd, msg_host_t dest, char* mount, char* fullname)
+{
+ THROW_UNIMPLEMENTED;
+ return MSG_OK;
+}
+
+/** \ingroup msg_storage_management
+ *
+ * \brief Returns the host name the storage is attached to
+ *
+ * This functions checks whether a storage is a valid pointer or not and return its name.
+ */
+const char *MSG_storage_get_host(msg_storage_t storage) {
+ xbt_assert((storage != NULL), "Invalid parameters");
+ msg_storage_priv_t priv = MSG_storage_priv(storage);
+ return priv->host;
+}