1 /* Copyright (c) 2004 - 2013. The SimGrid Team.
2 * All rights reserved. */
4 /* This program is free software; you can redistribute it and/or modify it
5 * under the terms of the license (GNU LGPL) which comes with this package. */
7 #include "msg_private.h"
10 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(msg_io, msg,
11 "Logging specific to MSG (io)");
13 /** @addtogroup msg_file_management
14 * \htmlonly <!-- DOXYGEN_NAVBAR_LABEL="Files" --> \endhtmlonly
15 * (#msg_file_t) and the functions for managing it.
20 /********************************* File **************************************/
22 /** \ingroup msg_file_management
23 * \brief Read elements of a file
25 * \param ptr buffer to where the data is copied
26 * \param size of the file to read
27 * \param fd is a the file descriptor
28 * \return the number of items successfully read
30 size_t MSG_file_read(void* ptr, size_t size, msg_file_t fd)
32 return simcall_file_read(ptr, size, fd->simdata->smx_file);
35 /** \ingroup msg_file_management
36 * \brief Write elements into a file
38 * \param ptr buffer from where the data is copied
39 * \param size of the file to write
40 * \param fd is a the file descriptor
41 * \return the number of items successfully write
43 size_t MSG_file_write(const void* ptr, size_t size, msg_file_t fd)
45 return simcall_file_write(ptr, size, fd->simdata->smx_file);
48 /** \ingroup msg_file_management
49 * \brief Opens the file whose name is the string pointed to by path
51 * \param mount is the mount point where find the file is located
52 * \param path is the file location on the storage
54 * \return An #msg_file_t associated to the file
56 msg_file_t MSG_file_open(const char* mount, const char* path)
58 msg_file_t file = xbt_new(s_msg_file_t,1);
59 file->name = xbt_strdup(path);
60 file->simdata = xbt_new0(s_simdata_file_t,1);
61 file->simdata->smx_file = simcall_file_open(mount, path);
65 /** \ingroup msg_file_management
66 * \brief Close the file
68 * \param fd is the file to close
69 * \return 0 on success or 1 on error
71 int MSG_file_close(msg_file_t fd)
73 int res = simcall_file_close(fd->simdata->smx_file);
75 xbt_free(fd->simdata);
80 /** \ingroup msg_file_management
81 * \brief Unlink the file pointed by fd
83 * \param fd is the file descriptor (#msg_file_t)
84 * \return 0 on success or 1 on error
86 int MSG_file_unlink(msg_file_t fd)
88 return simcall_file_unlink(fd->simdata->smx_file);
91 /** \ingroup msg_file_management
92 * \brief Return the size of a file
94 * \param fd is the file descriptor (#msg_file_t)
95 * \return the size of the file (as a size_t)
98 size_t MSG_file_get_size(msg_file_t fd){
99 return simcall_file_get_size(fd->simdata->smx_file);
102 /** \ingroup msg_file_management
103 * \brief Search for file
105 * \param mount is the mount point where find the file is located
106 * \param path the file regex to find
107 * \return a xbt_dict_t of file where key is the name of file and the
108 * value the msg_stat_t corresponding to the key
110 xbt_dict_t MSG_file_ls(const char *mount, const char *path)
112 xbt_assert(path,"You must set path");
113 int size = strlen(path);
114 if(size && path[size-1] != '/')
116 char *new_path = bprintf("%s/",path);
117 XBT_DEBUG("Change '%s' for '%s'",path,new_path);
118 xbt_dict_t dict = simcall_file_ls(mount, new_path);
123 return simcall_file_ls(mount, path);