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
25 * \param size of the file to read
26 * \param fd is a the file descriptor
27 * \return the number of bytes successfully read
29 size_t MSG_file_read(size_t size, msg_file_t fd)
31 return simcall_file_read(size, fd->simdata->smx_file);
34 /** \ingroup msg_file_management
35 * \brief Write into a file
37 * \param size of the file to write
38 * \param fd is a the file descriptor
39 * \return the number of bytes successfully write
41 size_t MSG_file_write(size_t size, msg_file_t fd)
43 return simcall_file_write(size, fd->simdata->smx_file);
46 /** \ingroup msg_file_management
47 * \brief Opens the file whose name is the string pointed to by path
49 * \param mount is the mount point where find the file is located
50 * \param path is the file location on the storage
52 * \return An #msg_file_t associated to the file
54 msg_file_t MSG_file_open(const char* mount, const char* path)
56 msg_file_t file = xbt_new(s_msg_file_t,1);
57 file->name = xbt_strdup(path);
58 file->simdata = xbt_new0(s_simdata_file_t,1);
59 file->simdata->smx_file = simcall_file_open(mount, path);
63 /** \ingroup msg_file_management
64 * \brief Close the file
66 * \param fd is the file to close
67 * \return 0 on success or 1 on error
69 int MSG_file_close(msg_file_t fd)
71 int res = simcall_file_close(fd->simdata->smx_file);
73 xbt_free(fd->simdata);
78 /** \ingroup msg_file_management
79 * \brief Unlink the file pointed by fd
81 * \param fd is the file descriptor (#msg_file_t)
82 * \return 0 on success or 1 on error
84 int MSG_file_unlink(msg_file_t fd)
86 return simcall_file_unlink(fd->simdata->smx_file);
89 /** \ingroup msg_file_management
90 * \brief Return the size of a file
92 * \param fd is the file descriptor (#msg_file_t)
93 * \return the size of the file (as a size_t)
96 size_t MSG_file_get_size(msg_file_t fd){
97 return simcall_file_get_size(fd->simdata->smx_file);
100 /** \ingroup msg_file_management
101 * \brief Search for file
103 * \param mount is the mount point where find the file is located
104 * \param path the file regex to find
105 * \return a xbt_dict_t of file where key is the name of file and the
106 * value the msg_stat_t corresponding to the key
108 xbt_dict_t MSG_file_ls(const char *mount, const char *path)
110 xbt_assert(path,"You must set path");
111 int size = strlen(path);
112 if(size && path[size-1] != '/')
114 char *new_path = bprintf("%s/",path);
115 XBT_DEBUG("Change '%s' for '%s'",path,new_path);
116 xbt_dict_t dict = simcall_file_ls(mount, new_path);
121 return simcall_file_ls(mount, path);